This commit was manufactured by cvs2svn to create branchsid-20020905-branchpoint sid-20020905-branch

'sid-20020905-branch'. Sprout from gdb_5_3-branch 2002-09-03 22:29:15 UTC nobody 'This commit was manufactured by cvs2svn to create branch 'gdb_5_3-branch'.' Cherrypick from master 2002-09-07 00:00:04 UTC Alan Modra <amodra@gmail.com> 'daily update': bfd/ChangeLog bfd/config.bfd bfd/version.h include/ChangeLog include/dis-asm.h libiberty/ChangeLog libiberty/regex.c opcodes/ChangeLog opcodes/disassemble.c opcodes/ppc-dis.c opcodes/ppc-opc.c Delete: djunpack.bat gdb/CONTRIBUTE gdb/COPYING gdb/ChangeLog gdb/ChangeLog-1990 gdb/ChangeLog-1991 gdb/ChangeLog-1992 gdb/ChangeLog-1993 gdb/ChangeLog-1994 gdb/ChangeLog-1995 gdb/ChangeLog-1996 gdb/ChangeLog-1997 gdb/ChangeLog-1998 gdb/ChangeLog-1999 gdb/ChangeLog-2000 gdb/ChangeLog-2001 gdb/ChangeLog-3.x gdb/MAINTAINERS gdb/Makefile.in gdb/NEWS gdb/PROBLEMS gdb/README gdb/TODO gdb/a68v-nat.c gdb/abug-rom.c gdb/acconfig.h gdb/acinclude.m4 gdb/aclocal.m4 gdb/ada-exp.y gdb/ada-lang.c gdb/ada-lang.h gdb/ada-lex.l gdb/ada-tasks.c gdb/ada-typeprint.c gdb/ada-valprint.c gdb/aix-thread.c gdb/alpha-linux-tdep.c gdb/alpha-nat.c gdb/alpha-osf1-tdep.c gdb/alpha-tdep.c gdb/alpha-tdep.h gdb/alphabsd-nat.c gdb/alphabsd-tdep.c gdb/alphabsd-tdep.h gdb/alphafbsd-tdep.c gdb/alphanbsd-tdep.c gdb/annotate.c gdb/annotate.h gdb/arc-tdep.c gdb/arch-utils.c gdb/arch-utils.h gdb/arm-linux-nat.c gdb/arm-linux-tdep.c gdb/arm-tdep.c gdb/arm-tdep.h gdb/armnbsd-nat.c gdb/armnbsd-tdep.c gdb/avr-tdep.c gdb/ax-gdb.c gdb/ax-gdb.h gdb/ax-general.c gdb/ax.h gdb/bcache.c gdb/bcache.h gdb/blockframe.c gdb/breakpoint.c gdb/breakpoint.h gdb/buildsym.c gdb/buildsym.h gdb/builtin-regs.c gdb/builtin-regs.h gdb/c-exp.y gdb/c-lang.c gdb/c-lang.h gdb/c-typeprint.c gdb/c-valprint.c gdb/call-cmds.h gdb/ch-exp.c gdb/ch-lang.c gdb/ch-lang.h gdb/ch-typeprint.c gdb/ch-valprint.c gdb/cli-out.c gdb/cli-out.h gdb/cli/cli-cmds.c gdb/cli/cli-cmds.h gdb/cli/cli-decode.c gdb/cli/cli-decode.h gdb/cli/cli-dump.c gdb/cli/cli-dump.h gdb/cli/cli-script.c gdb/cli/cli-script.h gdb/cli/cli-setshow.c gdb/cli/cli-setshow.h gdb/cli/cli-utils.c gdb/cli/cli-utils.h gdb/coff-solib.c gdb/coff-solib.h gdb/coffread.c gdb/command.h gdb/complaints.c gdb/complaints.h gdb/completer.c gdb/completer.h gdb/config.in gdb/config/alpha/alpha-linux.mh gdb/config/alpha/alpha-linux.mt gdb/config/alpha/alpha-osf1.mh gdb/config/alpha/alpha-osf1.mt gdb/config/alpha/alpha-osf2.mh gdb/config/alpha/alpha-osf3.mh gdb/config/alpha/alpha.mt gdb/config/alpha/fbsd.mh gdb/config/alpha/fbsd.mt gdb/config/alpha/nbsd.mh gdb/config/alpha/nbsd.mt gdb/config/alpha/nm-fbsd.h gdb/config/alpha/nm-linux.h gdb/config/alpha/nm-nbsd.h gdb/config/alpha/nm-osf.h gdb/config/alpha/nm-osf2.h gdb/config/alpha/nm-osf3.h gdb/config/alpha/tm-alpha.h gdb/config/alpha/tm-alphalinux.h gdb/config/alpha/tm-fbsd.h gdb/config/alpha/tm-nbsd.h gdb/config/alpha/xm-alphalinux.h gdb/config/alpha/xm-alphaosf.h gdb/config/arc/arc.mt gdb/config/arc/tm-arc.h gdb/config/arm/embed.mt gdb/config/arm/linux.mh gdb/config/arm/linux.mt gdb/config/arm/nbsd.mt gdb/config/arm/nbsdaout.mh gdb/config/arm/nbsdelf.mh gdb/config/arm/nm-linux.h gdb/config/arm/nm-nbsd.h gdb/config/arm/nm-nbsdaout.h gdb/config/arm/tm-arm.h gdb/config/arm/tm-embed.h gdb/config/arm/tm-linux.h gdb/config/arm/tm-wince.h gdb/config/arm/wince.mt gdb/config/arm/xm-linux.h gdb/config/arm/xm-nbsd.h gdb/config/avr/avr.mt gdb/config/cris/cris.mt gdb/config/cris/tm-cris.h gdb/config/d10v/d10v.mt gdb/config/d30v/d30v.mt gdb/config/d30v/tm-d30v.h gdb/config/djgpp/README gdb/config/djgpp/config.sed gdb/config/djgpp/djcheck.sh gdb/config/djgpp/djconfig.sh gdb/config/djgpp/fnchange.lst gdb/config/fr30/fr30.mt gdb/config/fr30/tm-fr30.h gdb/config/frv/frv.mt gdb/config/frv/tm-frv.h gdb/config/h8300/h8300.mt gdb/config/h8300/tm-h8300.h gdb/config/h8500/h8500.mt gdb/config/h8500/tm-h8500.h gdb/config/i386/cygwin.mh gdb/config/i386/cygwin.mt gdb/config/i386/embed.mt gdb/config/i386/fbsd.mh gdb/config/i386/fbsd.mt gdb/config/i386/gdbserve.mt gdb/config/i386/go32.mh gdb/config/i386/go32.mt gdb/config/i386/i386aix.mh gdb/config/i386/i386aix.mt gdb/config/i386/i386aout.mt gdb/config/i386/i386bsd.mh gdb/config/i386/i386bsd.mt gdb/config/i386/i386dgux.mh gdb/config/i386/i386gnu.mh gdb/config/i386/i386gnu.mt gdb/config/i386/i386lynx.mh gdb/config/i386/i386lynx.mt gdb/config/i386/i386m3.mh gdb/config/i386/i386m3.mt gdb/config/i386/i386mach.mh gdb/config/i386/i386mk.mh gdb/config/i386/i386mk.mt gdb/config/i386/i386nw.mt gdb/config/i386/i386os9k.mt gdb/config/i386/i386sco.mh gdb/config/i386/i386sco4.mh gdb/config/i386/i386sco5.mh gdb/config/i386/i386sco5.mt gdb/config/i386/i386sol2.mh gdb/config/i386/i386sol2.mt gdb/config/i386/i386v.mh gdb/config/i386/i386v.mt gdb/config/i386/i386v32.mh gdb/config/i386/i386v4.mh gdb/config/i386/i386v4.mt gdb/config/i386/i386v42mp.mh gdb/config/i386/i386v42mp.mt gdb/config/i386/linux.mh gdb/config/i386/linux.mt gdb/config/i386/nbsd.mt gdb/config/i386/nbsdaout.mh gdb/config/i386/nbsdelf.mh gdb/config/i386/ncr3000.mh gdb/config/i386/ncr3000.mt gdb/config/i386/nm-cygwin.h gdb/config/i386/nm-fbsd.h gdb/config/i386/nm-go32.h gdb/config/i386/nm-i386.h gdb/config/i386/nm-i386aix.h gdb/config/i386/nm-i386bsd.h gdb/config/i386/nm-i386gnu.h gdb/config/i386/nm-i386lynx.h gdb/config/i386/nm-i386mach.h gdb/config/i386/nm-i386sco.h gdb/config/i386/nm-i386sco4.h gdb/config/i386/nm-i386sco5.h gdb/config/i386/nm-i386sol2.h gdb/config/i386/nm-i386v.h gdb/config/i386/nm-i386v4.h gdb/config/i386/nm-i386v42mp.h gdb/config/i386/nm-linux.h gdb/config/i386/nm-m3.h gdb/config/i386/nm-nbsd.h gdb/config/i386/nm-nbsdaout.h gdb/config/i386/nm-obsd.h gdb/config/i386/nm-ptx4.h gdb/config/i386/nm-symmetry.h gdb/config/i386/nm-x86-64linux.h gdb/config/i386/obsd.mh gdb/config/i386/ptx.mh gdb/config/i386/ptx.mt gdb/config/i386/ptx4.mh gdb/config/i386/ptx4.mt gdb/config/i386/symmetry.mh gdb/config/i386/symmetry.mt gdb/config/i386/tm-cygwin.h gdb/config/i386/tm-fbsd.h gdb/config/i386/tm-go32.h gdb/config/i386/tm-i386.h gdb/config/i386/tm-i386aix.h gdb/config/i386/tm-i386bsd.h gdb/config/i386/tm-i386lynx.h gdb/config/i386/tm-i386m3.h gdb/config/i386/tm-i386mk.h gdb/config/i386/tm-i386os9k.h gdb/config/i386/tm-i386sol2.h gdb/config/i386/tm-i386v4.h gdb/config/i386/tm-i386v42mp.h gdb/config/i386/tm-linux.h gdb/config/i386/tm-nbsd.h gdb/config/i386/tm-ptx.h gdb/config/i386/tm-ptx4.h gdb/config/i386/tm-symmetry.h gdb/config/i386/tm-vxworks.h gdb/config/i386/tm-x86-64linux.h gdb/config/i386/vxworks.mt gdb/config/i386/x86-64linux.mh gdb/config/i386/x86-64linux.mt gdb/config/i386/xm-cygwin.h gdb/config/i386/xm-go32.h gdb/config/i386/xm-i386.h gdb/config/i386/xm-i386aix.h gdb/config/i386/xm-i386bsd.h gdb/config/i386/xm-i386m3.h gdb/config/i386/xm-i386mach.h gdb/config/i386/xm-i386mk.h gdb/config/i386/xm-i386sco.h gdb/config/i386/xm-i386v.h gdb/config/i386/xm-i386v32.h gdb/config/i386/xm-i386v4.h gdb/config/i386/xm-nbsd.h gdb/config/i386/xm-ptx.h gdb/config/i386/xm-ptx4.h gdb/config/i386/xm-symmetry.h gdb/config/i960/mon960.mt gdb/config/i960/nindy960.mt gdb/config/i960/tm-i960.h gdb/config/i960/tm-mon960.h gdb/config/i960/tm-nindy960.h gdb/config/i960/tm-vx960.h gdb/config/i960/vxworks960.mt gdb/config/ia64/aix.mh gdb/config/ia64/aix.mt gdb/config/ia64/ia64.mt gdb/config/ia64/linux.mh gdb/config/ia64/linux.mt gdb/config/ia64/nm-aix.h gdb/config/ia64/nm-linux.h gdb/config/ia64/tm-aix.h gdb/config/ia64/tm-ia64.h gdb/config/ia64/tm-linux.h gdb/config/ia64/xm-aix.h gdb/config/ia64/xm-linux.h gdb/config/m32r/m32r.mt gdb/config/m32r/tm-m32r.h gdb/config/m68hc11/m68hc11.mt gdb/config/m68k/3b1.mh gdb/config/m68k/3b1.mt gdb/config/m68k/apollo68b.mh gdb/config/m68k/apollo68b.mt gdb/config/m68k/apollo68v.mh gdb/config/m68k/cisco.mt gdb/config/m68k/delta68.mh gdb/config/m68k/delta68.mt gdb/config/m68k/dpx2.mh gdb/config/m68k/dpx2.mt gdb/config/m68k/es1800.mt gdb/config/m68k/hp300bsd.mh gdb/config/m68k/hp300bsd.mt gdb/config/m68k/hp300hpux.mh gdb/config/m68k/hp300hpux.mt gdb/config/m68k/linux.mh gdb/config/m68k/linux.mt gdb/config/m68k/m68klynx.mh gdb/config/m68k/m68klynx.mt gdb/config/m68k/m68kv4.mh gdb/config/m68k/m68kv4.mt gdb/config/m68k/monitor.mt gdb/config/m68k/nbsdaout.mh gdb/config/m68k/nbsdaout.mt gdb/config/m68k/nm-apollo68b.h gdb/config/m68k/nm-apollo68v.h gdb/config/m68k/nm-delta68.h gdb/config/m68k/nm-dpx2.h gdb/config/m68k/nm-hp300bsd.h gdb/config/m68k/nm-hp300hpux.h gdb/config/m68k/nm-linux.h gdb/config/m68k/nm-m68klynx.h gdb/config/m68k/nm-nbsd.h gdb/config/m68k/nm-nbsdaout.h gdb/config/m68k/nm-sun2.h gdb/config/m68k/nm-sun3.h gdb/config/m68k/nm-sysv4.h gdb/config/m68k/os68k.mt gdb/config/m68k/st2000.mt gdb/config/m68k/sun2os3.mh gdb/config/m68k/sun2os3.mt gdb/config/m68k/sun2os4.mh gdb/config/m68k/sun2os4.mt gdb/config/m68k/sun3os3.mh gdb/config/m68k/sun3os3.mt gdb/config/m68k/sun3os4.mh gdb/config/m68k/sun3os4.mt gdb/config/m68k/tm-3b1.h gdb/config/m68k/tm-apollo68b.h gdb/config/m68k/tm-cisco.h gdb/config/m68k/tm-delta68.h gdb/config/m68k/tm-dpx2.h gdb/config/m68k/tm-es1800.h gdb/config/m68k/tm-hp300bsd.h gdb/config/m68k/tm-hp300hpux.h gdb/config/m68k/tm-linux.h gdb/config/m68k/tm-m68k.h gdb/config/m68k/tm-m68klynx.h gdb/config/m68k/tm-m68kv4.h gdb/config/m68k/tm-mac.h gdb/config/m68k/tm-monitor.h gdb/config/m68k/tm-nbsd.h gdb/config/m68k/tm-os68k.h gdb/config/m68k/tm-st2000.h gdb/config/m68k/tm-sun2.h gdb/config/m68k/tm-sun2os4.h gdb/config/m68k/tm-sun3.h gdb/config/m68k/tm-sun3os4.h gdb/config/m68k/tm-vx68.h gdb/config/m68k/vxworks68.mt gdb/config/m68k/xm-3b1.h gdb/config/m68k/xm-apollo68b.h gdb/config/m68k/xm-apollo68v.h gdb/config/m68k/xm-delta68.h gdb/config/m68k/xm-dpx2.h gdb/config/m68k/xm-hp300bsd.h gdb/config/m68k/xm-hp300hpux.h gdb/config/m68k/xm-linux.h gdb/config/m68k/xm-m68k.h gdb/config/m68k/xm-m68kv4.h gdb/config/m68k/xm-nbsd.h gdb/config/m68k/xm-sun2.h gdb/config/m68k/xm-sun3.h gdb/config/m68k/xm-sun3os4.h gdb/config/m88k/delta88.mh gdb/config/m88k/delta88.mt gdb/config/m88k/delta88v4.mh gdb/config/m88k/delta88v4.mt gdb/config/m88k/m88k.mh gdb/config/m88k/m88k.mt gdb/config/m88k/nm-delta88v4.h gdb/config/m88k/nm-m88k.h gdb/config/m88k/tm-delta88.h gdb/config/m88k/tm-delta88v4.h gdb/config/m88k/tm-m88k.h gdb/config/m88k/xm-delta88.h gdb/config/m88k/xm-delta88v4.h gdb/config/m88k/xm-dgux.h gdb/config/mcore/mcore.mt gdb/config/mips/bigmips.mt gdb/config/mips/bigmips64.mt gdb/config/mips/decstation.mh gdb/config/mips/decstation.mt gdb/config/mips/embed.mt gdb/config/mips/embed64.mt gdb/config/mips/embedl.mt gdb/config/mips/embedl64.mt gdb/config/mips/irix3.mh gdb/config/mips/irix3.mt gdb/config/mips/irix4.mh gdb/config/mips/irix5.mh gdb/config/mips/irix5.mt gdb/config/mips/irix6.mh gdb/config/mips/irix6.mt gdb/config/mips/linux.mh gdb/config/mips/linux.mt gdb/config/mips/littlemips.mh gdb/config/mips/littlemips.mt gdb/config/mips/mipsm3.mh gdb/config/mips/mipsm3.mt gdb/config/mips/mipsv4.mh gdb/config/mips/mipsv4.mt gdb/config/mips/nbsd.mh gdb/config/mips/nbsd.mt gdb/config/mips/news-mips.mh gdb/config/mips/nm-irix3.h gdb/config/mips/nm-irix4.h gdb/config/mips/nm-irix5.h gdb/config/mips/nm-irix6.h gdb/config/mips/nm-linux.h gdb/config/mips/nm-mips.h gdb/config/mips/nm-nbsd.h gdb/config/mips/nm-news-mips.h gdb/config/mips/nm-riscos.h gdb/config/mips/riscos.mh gdb/config/mips/tm-bigmips.h gdb/config/mips/tm-bigmips64.h gdb/config/mips/tm-embed.h gdb/config/mips/tm-embed64.h gdb/config/mips/tm-embedl.h gdb/config/mips/tm-embedl64.h gdb/config/mips/tm-irix3.h gdb/config/mips/tm-irix5.h gdb/config/mips/tm-irix6.h gdb/config/mips/tm-linux.h gdb/config/mips/tm-mips.h gdb/config/mips/tm-mips64.h gdb/config/mips/tm-mipsm3.h gdb/config/mips/tm-mipsv4.h gdb/config/mips/tm-nbsd.h gdb/config/mips/tm-tx39.h gdb/config/mips/tm-tx39l.h gdb/config/mips/tm-vr4100.h gdb/config/mips/tm-vr4300.h gdb/config/mips/tm-vr4300el.h gdb/config/mips/tm-vr4xxx.h gdb/config/mips/tm-vr4xxxel.h gdb/config/mips/tm-vr5000.h gdb/config/mips/tm-vr5000el.h gdb/config/mips/tm-vxmips.h gdb/config/mips/tm-wince.h gdb/config/mips/tx39.mt gdb/config/mips/tx39l.mt gdb/config/mips/vr4100.mt gdb/config/mips/vr4300.mt gdb/config/mips/vr4300el.mt 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readline/config.h.bot readline/config.h.in readline/configure readline/configure.in readline/cross-build/cygwin.cache readline/display.c readline/doc/ChangeLog.gdb readline/doc/Makefile.in readline/doc/hist.texinfo readline/doc/hstech.texinfo readline/doc/hsuser.texinfo readline/doc/inc-hist.texinfo readline/doc/manvers.texinfo readline/doc/readline.3 readline/doc/rlman.texinfo readline/doc/rltech.texinfo readline/doc/rluser.texinfo readline/doc/rluserman.texinfo readline/doc/texi2dvi readline/doc/texi2html readline/emacs_keymap.c readline/examples/ChangeLog.gdb readline/examples/Inputrc readline/examples/Makefile.in readline/examples/excallback.c readline/examples/fileman.c readline/examples/histexamp.c readline/examples/manexamp.c readline/examples/rl.c readline/examples/rlfe.c readline/examples/rltest.c readline/examples/rlversion.c readline/funmap.c readline/histexpand.c readline/histfile.c readline/histlib.h readline/history.c readline/history.h readline/histsearch.c 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sim/testsuite/sim/m32r/ldh-d.cgs sim/testsuite/sim/m32r/ldh.cgs sim/testsuite/sim/m32r/ldi16.cgs sim/testsuite/sim/m32r/ldi8.cgs sim/testsuite/sim/m32r/ldub-d.cgs sim/testsuite/sim/m32r/ldub.cgs sim/testsuite/sim/m32r/lduh-d.cgs sim/testsuite/sim/m32r/lduh.cgs sim/testsuite/sim/m32r/lock.cgs sim/testsuite/sim/m32r/machi.cgs sim/testsuite/sim/m32r/maclo.cgs sim/testsuite/sim/m32r/macwhi.cgs sim/testsuite/sim/m32r/macwlo.cgs sim/testsuite/sim/m32r/misc.exp sim/testsuite/sim/m32r/mul.cgs sim/testsuite/sim/m32r/mulhi.cgs sim/testsuite/sim/m32r/mullo.cgs sim/testsuite/sim/m32r/mulwhi.cgs sim/testsuite/sim/m32r/mulwlo.cgs sim/testsuite/sim/m32r/mv.cgs sim/testsuite/sim/m32r/mvfachi.cgs sim/testsuite/sim/m32r/mvfaclo.cgs sim/testsuite/sim/m32r/mvfacmi.cgs sim/testsuite/sim/m32r/mvfc.cgs sim/testsuite/sim/m32r/mvtachi.cgs sim/testsuite/sim/m32r/mvtaclo.cgs sim/testsuite/sim/m32r/mvtc.cgs sim/testsuite/sim/m32r/neg.cgs sim/testsuite/sim/m32r/nop.cgs sim/testsuite/sim/m32r/not.cgs sim/testsuite/sim/m32r/or.cgs sim/testsuite/sim/m32r/or3.cgs sim/testsuite/sim/m32r/rac.cgs sim/testsuite/sim/m32r/rach.cgs sim/testsuite/sim/m32r/rem.cgs sim/testsuite/sim/m32r/remu.cgs sim/testsuite/sim/m32r/rte.cgs sim/testsuite/sim/m32r/seth.cgs sim/testsuite/sim/m32r/sll.cgs sim/testsuite/sim/m32r/sll3.cgs sim/testsuite/sim/m32r/slli.cgs sim/testsuite/sim/m32r/sra.cgs sim/testsuite/sim/m32r/sra3.cgs sim/testsuite/sim/m32r/srai.cgs sim/testsuite/sim/m32r/srl.cgs sim/testsuite/sim/m32r/srl3.cgs sim/testsuite/sim/m32r/srli.cgs sim/testsuite/sim/m32r/st-d.cgs sim/testsuite/sim/m32r/st-minus.cgs sim/testsuite/sim/m32r/st-plus.cgs sim/testsuite/sim/m32r/st.cgs sim/testsuite/sim/m32r/stb-d.cgs sim/testsuite/sim/m32r/stb.cgs sim/testsuite/sim/m32r/sth-d.cgs sim/testsuite/sim/m32r/sth.cgs sim/testsuite/sim/m32r/sub.cgs sim/testsuite/sim/m32r/subv.cgs sim/testsuite/sim/m32r/subx.cgs sim/testsuite/sim/m32r/testutils.inc sim/testsuite/sim/m32r/trap.cgs sim/testsuite/sim/m32r/unlock.cgs sim/testsuite/sim/m32r/uread16.ms sim/testsuite/sim/m32r/uread32.ms sim/testsuite/sim/m32r/uwrite16.ms sim/testsuite/sim/m32r/uwrite32.ms sim/testsuite/sim/m32r/xor.cgs sim/testsuite/sim/m32r/xor3.cgs sim/v850/ChangeLog sim/v850/Makefile.in sim/v850/acconfig.h sim/v850/config.in sim/v850/configure sim/v850/configure.in sim/v850/interp.c sim/v850/sim-main.h sim/v850/simops.c sim/v850/simops.h sim/v850/v850-dc sim/v850/v850.igen sim/v850/v850_sim.h sim/z8k/ChangeLog sim/z8k/Makefile.in sim/z8k/acconfig.h sim/z8k/comped1.c sim/z8k/comped2.c sim/z8k/comped3.c sim/z8k/compedb3.c sim/z8k/config.in sim/z8k/configure sim/z8k/configure.in sim/z8k/iface.c sim/z8k/inlines.h sim/z8k/mem.c sim/z8k/mem.h sim/z8k/quick.c sim/z8k/sim.h sim/z8k/support.c sim/z8k/syscall.h sim/z8k/tconfig.in sim/z8k/tm.h sim/z8k/writecode.c texinfo/texinfo.tex
author: nobody <> 2002-09-07 00:00:05 +0000
committer: nobody <> 2002-09-07 00:00:05 +0000
commit: c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
tree: a98633075cd1f2b034b49446e83e522708d11f68 /gdb/breakpoint.c
parent: 2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
download: gdb-sid-20020905-branch.zip
gdb-sid-20020905-branch.tar.gz
gdb-sid-20020905-branch.tar.bz2
1 files changed, 0 insertions, 7809 deletions
diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c
deleted file mode 100644
index b88f674..0000000
--- a/gdb/breakpoint.c
+++ /dev/null
@@ -1,7809 +0,0 @@
-/* Everything about breakpoints, for GDB.
-
-   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
-   1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software
-   Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include "defs.h"
-#include <ctype.h>
-#include "symtab.h"
-#include "frame.h"
-#include "breakpoint.h"
-#include "gdbtypes.h"
-#include "expression.h"
-#include "gdbcore.h"
-#include "gdbcmd.h"
-#include "value.h"
-#include "command.h"
-#include "inferior.h"
-#include "gdbthread.h"
-#include "target.h"
-#include "language.h"
-#include "gdb_string.h"
-#include "demangle.h"
-#include "annotate.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "linespec.h"
-#include "completer.h"
-#include "gdb.h"
-#include "ui-out.h"
-#include "cli/cli-script.h"
-
-#include "gdb-events.h"
-
-/* Prototypes for local functions. */
-
-static void until_break_command_continuation (struct continuation_arg *arg);
-
-static void catch_command_1 (char *, int, int);
-
-static void enable_delete_command (char *, int);
-
-static void enable_delete_breakpoint (struct breakpoint *);
-
-static void enable_once_command (char *, int);
-
-static void enable_once_breakpoint (struct breakpoint *);
-
-static void disable_command (char *, int);
-
-static void enable_command (char *, int);
-
-static void map_breakpoint_numbers (char *, void (*)(struct breakpoint *));
-
-static void ignore_command (char *, int);
-
-static int breakpoint_re_set_one (PTR);
-
-static void clear_command (char *, int);
-
-static void catch_command (char *, int);
-
-static void handle_gnu_4_16_catch_command (char *, int, int);
-
-static struct symtabs_and_lines get_catch_sals (int);
-
-static void watch_command (char *, int);
-
-static int can_use_hardware_watchpoint (struct value *);
-
-extern void break_at_finish_command (char *, int);
-extern void break_at_finish_at_depth_command (char *, int);
-
-extern void tbreak_at_finish_command (char *, int);
-
-static void break_command_1 (char *, int, int);
-
-static void mention (struct breakpoint *);
-
-struct breakpoint *set_raw_breakpoint (struct symtab_and_line, enum bptype);
-
-static void check_duplicates (struct breakpoint *);
-
-static void describe_other_breakpoints (CORE_ADDR, asection *);
-
-static void breakpoints_info (char *, int);
-
-static void breakpoint_1 (int, int);
-
-static bpstat bpstat_alloc (struct breakpoint *, bpstat);
-
-static int breakpoint_cond_eval (PTR);
-
-static void cleanup_executing_breakpoints (PTR);
-
-static void commands_command (char *, int);
-
-static void condition_command (char *, int);
-
-static int get_number_trailer (char **, int);
-
-void set_breakpoint_count (int);
-
-typedef enum
-  {
-    mark_inserted,
-    mark_uninserted
-  }
-insertion_state_t;
-
-static int remove_breakpoint (struct breakpoint *, insertion_state_t);
-
-static enum print_stop_action print_it_typical (bpstat);
-
-static enum print_stop_action print_bp_stop_message (bpstat bs);
-
-typedef struct
-  {
-    enum exception_event_kind kind;
-    int enable_p;
-  }
-args_for_catchpoint_enable;
-
-static int watchpoint_check (PTR);
-
-static int cover_target_enable_exception_callback (PTR);
-
-static void maintenance_info_breakpoints (char *, int);
-
-static void create_longjmp_breakpoint (char *);
-
-static void create_overlay_event_breakpoint (char *);
-
-static int hw_breakpoint_used_count (void);
-
-static int hw_watchpoint_used_count (enum bptype, int *);
-
-static void hbreak_command (char *, int);
-
-static void thbreak_command (char *, int);
-
-static void watch_command_1 (char *, int, int);
-
-static void rwatch_command (char *, int);
-
-static void awatch_command (char *, int);
-
-static void do_enable_breakpoint (struct breakpoint *, enum bpdisp);
-
-static void solib_load_unload_1 (char *hookname,
-				 int tempflag,
-				 char *dll_pathname,
-				 char *cond_string, enum bptype bp_kind);
-
-static void create_fork_vfork_event_catchpoint (int tempflag,
-						char *cond_string,
-						enum bptype bp_kind);
-
-static void break_at_finish_at_depth_command_1 (char *arg,
-						int flag, int from_tty);
-
-static void break_at_finish_command_1 (char *arg, int flag, int from_tty);
-
-static void stop_command (char *arg, int from_tty);
-
-static void stopin_command (char *arg, int from_tty);
-
-static void stopat_command (char *arg, int from_tty);
-
-static char *ep_find_event_name_end (char *arg);
-
-static char *ep_parse_optional_if_clause (char **arg);
-
-static char *ep_parse_optional_filename (char **arg);
-
-#if defined(CHILD_INSERT_EXEC_CATCHPOINT)
-static void catch_exec_command_1 (char *arg, int tempflag, int from_tty);
-#endif
-
-static void create_exception_catchpoint (int tempflag, char *cond_string,
-					 enum exception_event_kind ex_event,
-					 struct symtab_and_line *sal);
-
-static void catch_exception_command_1 (enum exception_event_kind ex_event, 
-				       char *arg, int tempflag, int from_tty);
-
-static void tcatch_command (char *arg, int from_tty);
-
-static void ep_skip_leading_whitespace (char **s);
-
-/* Prototypes for exported functions. */
-
-/* If FALSE, gdb will not use hardware support for watchpoints, even
-   if such is available. */
-static int can_use_hw_watchpoints;
-
-void _initialize_breakpoint (void);
-
-extern int addressprint;	/* Print machine addresses? */
-
-/* Are we executing breakpoint commands?  */
-static int executing_breakpoint_commands;
-
-/* Are overlay event breakpoints enabled? */
-static int overlay_events_enabled;
-
-/* Walk the following statement or block through all breakpoints.
-   ALL_BREAKPOINTS_SAFE does so even if the statment deletes the current
-   breakpoint.  */
-
-#define ALL_BREAKPOINTS(B)  for (B = breakpoint_chain; B; B = B->next)
-
-#define ALL_BREAKPOINTS_SAFE(B,TMP)	\
-	for (B = breakpoint_chain;	\
-	     B ? (TMP=B->next, 1): 0;	\
-	     B = TMP)
-
-/* True if SHIFT_INST_REGS defined, false otherwise.  */
-
-int must_shift_inst_regs =
-#if defined(SHIFT_INST_REGS)
-1
-#else
-0
-#endif
- ;
-
-/* True if breakpoint hit counts should be displayed in breakpoint info.  */
-
-int show_breakpoint_hit_counts = 1;
-
-/* Chain of all breakpoints defined.  */
-
-struct breakpoint *breakpoint_chain;
-
-/* Number of last breakpoint made.  */
-
-int breakpoint_count;
-
-/* Pointer to current exception event record */
-static struct exception_event_record *current_exception_event;
-
-/* Indicator of whether exception catchpoints should be nuked
-   between runs of a program */
-int exception_catchpoints_are_fragile = 0;
-
-/* Indicator of when exception catchpoints set-up should be
-   reinitialized -- e.g. when program is re-run */
-int exception_support_initialized = 0;
-
-/* This function returns a pointer to the string representation of the
-   pathname of the dynamically-linked library that has just been
-   loaded.
-
-   This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
-   or undefined results are guaranteed.
-
-   This string's contents are only valid immediately after the
-   inferior has stopped in the dynamic linker hook, and becomes
-   invalid as soon as the inferior is continued.  Clients should make
-   a copy of this string if they wish to continue the inferior and
-   then access the string.  */
-
-#ifndef SOLIB_LOADED_LIBRARY_PATHNAME
-#define SOLIB_LOADED_LIBRARY_PATHNAME(pid) ""
-#endif
-
-/* This function returns a pointer to the string representation of the
-   pathname of the dynamically-linked library that has just been
-   unloaded.
-
-   This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is
-   TRUE, or undefined results are guaranteed.
-
-   This string's contents are only valid immediately after the
-   inferior has stopped in the dynamic linker hook, and becomes
-   invalid as soon as the inferior is continued.  Clients should make
-   a copy of this string if they wish to continue the inferior and
-   then access the string.  */
-
-#ifndef SOLIB_UNLOADED_LIBRARY_PATHNAME
-#define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) ""
-#endif
-
-/* This function is called by the "catch load" command.  It allows the
-   debugger to be notified by the dynamic linker when a specified
-   library file (or any library file, if filename is NULL) is loaded.  */
-
-#ifndef SOLIB_CREATE_CATCH_LOAD_HOOK
-#define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag,filename,cond_string) \
-   error ("catch of library loads not yet implemented on this platform")
-#endif
-
-/* This function is called by the "catch unload" command.  It allows
-   the debugger to be notified by the dynamic linker when a specified
-   library file (or any library file, if filename is NULL) is
-   unloaded.  */
-
-#ifndef SOLIB_CREATE_CATCH_UNLOAD_HOOK
-#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename,cond_string) \
-   error ("catch of library unloads not yet implemented on this platform")
-#endif
-
-/* Set breakpoint count to NUM.  */
-
-void
-set_breakpoint_count (int num)
-{
-  breakpoint_count = num;
-  set_internalvar (lookup_internalvar ("bpnum"),
-		   value_from_longest (builtin_type_int, (LONGEST) num));
-}
-
-/* Used in run_command to zero the hit count when a new run starts. */
-
-void
-clear_breakpoint_hit_counts (void)
-{
-  struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    b->hit_count = 0;
-}
-
-/* Default address, symtab and line to put a breakpoint at
-   for "break" command with no arg.
-   if default_breakpoint_valid is zero, the other three are
-   not valid, and "break" with no arg is an error.
-
-   This set by print_stack_frame, which calls set_default_breakpoint.  */
-
-int default_breakpoint_valid;
-CORE_ADDR default_breakpoint_address;
-struct symtab *default_breakpoint_symtab;
-int default_breakpoint_line;
-
-/* *PP is a string denoting a breakpoint.  Get the number of the breakpoint.
-   Advance *PP after the string and any trailing whitespace.
-
-   Currently the string can either be a number or "$" followed by the name
-   of a convenience variable.  Making it an expression wouldn't work well
-   for map_breakpoint_numbers (e.g. "4 + 5 + 6").
-   
-   TRAILER is a character which can be found after the number; most
-   commonly this is `-'.  If you don't want a trailer, use \0.  */ 
-static int
-get_number_trailer (char **pp, int trailer)
-{
-  int retval = 0;	/* default */
-  char *p = *pp;
-
-  if (p == NULL)
-    /* Empty line means refer to the last breakpoint.  */
-    return breakpoint_count;
-  else if (*p == '$')
-    {
-      /* Make a copy of the name, so we can null-terminate it
-         to pass to lookup_internalvar().  */
-      char *varname;
-      char *start = ++p;
-      struct value *val;
-
-      while (isalnum (*p) || *p == '_')
-	p++;
-      varname = (char *) alloca (p - start + 1);
-      strncpy (varname, start, p - start);
-      varname[p - start] = '\0';
-      val = value_of_internalvar (lookup_internalvar (varname));
-      if (TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT)
-	retval = (int) value_as_long (val);
-      else
-	{
-	  printf_filtered ("Convenience variable must have integer value.\n");
-	  retval = 0;
-	}
-    }
-  else
-    {
-      if (*p == '-')
-	++p;
-      while (*p >= '0' && *p <= '9')
-	++p;
-      if (p == *pp)
-	/* There is no number here.  (e.g. "cond a == b").  */
-	{
-	  /* Skip non-numeric token */
-	  while (*p && !isspace((int) *p))
-	    ++p;
-	  /* Return zero, which caller must interpret as error. */
-	  retval = 0;
-	}
-      else
-	retval = atoi (*pp);
-    }
-  if (!(isspace (*p) || *p == '\0' || *p == trailer))
-    {
-      /* Trailing junk: return 0 and let caller print error msg. */
-      while (!(isspace (*p) || *p == '\0' || *p == trailer))
-	++p;
-      retval = 0;
-    }
-  while (isspace (*p))
-    p++;
-  *pp = p;
-  return retval;
-}
-
-
-/* Like get_number_trailer, but don't allow a trailer.  */
-int
-get_number (char **pp)
-{
-  return get_number_trailer (pp, '\0');
-}
-
-/* Parse a number or a range.
- * A number will be of the form handled by get_number.
- * A range will be of the form <number1> - <number2>, and 
- * will represent all the integers between number1 and number2,
- * inclusive.
- *
- * While processing a range, this fuction is called iteratively;
- * At each call it will return the next value in the range.
- *
- * At the beginning of parsing a range, the char pointer PP will
- * be advanced past <number1> and left pointing at the '-' token.
- * Subsequent calls will not advance the pointer until the range
- * is completed.  The call that completes the range will advance
- * pointer PP past <number2>.
- */
-
-int 
-get_number_or_range (char **pp)
-{
-  static int last_retval, end_value;
-  static char *end_ptr;
-  static int in_range = 0;
-
-  if (**pp != '-')
-    {
-      /* Default case: pp is pointing either to a solo number, 
-	 or to the first number of a range.  */
-      last_retval = get_number_trailer (pp, '-');
-      if (**pp == '-')
-	{
-	  char **temp;
-
-	  /* This is the start of a range (<number1> - <number2>).
-	     Skip the '-', parse and remember the second number,
-	     and also remember the end of the final token.  */
-
-	  temp = &end_ptr; 
-	  end_ptr = *pp + 1; 
-	  while (isspace ((int) *end_ptr))
-	    end_ptr++;	/* skip white space */
-	  end_value = get_number (temp);
-	  if (end_value < last_retval) 
-	    {
-	      error ("inverted range");
-	    }
-	  else if (end_value == last_retval)
-	    {
-	      /* degenerate range (number1 == number2).  Advance the
-		 token pointer so that the range will be treated as a
-		 single number.  */ 
-	      *pp = end_ptr;
-	    }
-	  else
-	    in_range = 1;
-	}
-    }
-  else if (! in_range)
-    error ("negative value");
-  else
-    {
-      /* pp points to the '-' that betokens a range.  All
-	 number-parsing has already been done.  Return the next
-	 integer value (one greater than the saved previous value).
-	 Do not advance the token pointer 'pp' until the end of range
-	 is reached.  */
-
-      if (++last_retval == end_value)
-	{
-	  /* End of range reached; advance token pointer.  */
-	  *pp = end_ptr;
-	  in_range = 0;
-	}
-    }
-  return last_retval;
-}
-
-
-
-/* condition N EXP -- set break condition of breakpoint N to EXP.  */
-
-static void
-condition_command (char *arg, int from_tty)
-{
-  register struct breakpoint *b;
-  char *p;
-  register int bnum;
-
-  if (arg == 0)
-    error_no_arg ("breakpoint number");
-
-  p = arg;
-  bnum = get_number (&p);
-  if (bnum == 0)
-    error ("Bad breakpoint argument: '%s'", arg);
-
-  ALL_BREAKPOINTS (b)
-    if (b->number == bnum)
-    {
-      if (b->cond)
-	{
-	  xfree (b->cond);
-	  b->cond = 0;
-	}
-      if (b->cond_string != NULL)
-	xfree (b->cond_string);
-
-      if (*p == 0)
-	{
-	  b->cond = 0;
-	  b->cond_string = NULL;
-	  if (from_tty)
-	    printf_filtered ("Breakpoint %d now unconditional.\n", bnum);
-	}
-      else
-	{
-	  arg = p;
-	  /* I don't know if it matters whether this is the string the user
-	     typed in or the decompiled expression.  */
-	  b->cond_string = savestring (arg, strlen (arg));
-	  b->cond = parse_exp_1 (&arg, block_for_pc (b->address), 0);
-	  if (*arg)
-	    error ("Junk at end of expression");
-	}
-      breakpoints_changed ();
-      breakpoint_modify_event (b->number);
-      return;
-    }
-
-  error ("No breakpoint number %d.", bnum);
-}
-
-/* ARGSUSED */
-static void
-commands_command (char *arg, int from_tty)
-{
-  register struct breakpoint *b;
-  char *p;
-  register int bnum;
-  struct command_line *l;
-
-  /* If we allowed this, we would have problems with when to
-     free the storage, if we change the commands currently
-     being read from.  */
-
-  if (executing_breakpoint_commands)
-    error ("Can't use the \"commands\" command among a breakpoint's commands.");
-
-  p = arg;
-  bnum = get_number (&p);
-
-  if (p && *p)
-    error ("Unexpected extra arguments following breakpoint number.");
-
-  ALL_BREAKPOINTS (b)
-    if (b->number == bnum)
-    {
-      char tmpbuf[128];
-      sprintf (tmpbuf, 
-	       "Type commands for when breakpoint %d is hit, one per line.", 
-	       bnum);
-      l = read_command_lines (tmpbuf, from_tty);
-      free_command_lines (&b->commands);
-      b->commands = l;
-      breakpoints_changed ();
-      breakpoint_modify_event (b->number);
-      return;
-    }
-  error ("No breakpoint number %d.", bnum);
-}
-
-/* Like target_read_memory() but if breakpoints are inserted, return
-   the shadow contents instead of the breakpoints themselves.
-
-   Read "memory data" from whatever target or inferior we have. 
-   Returns zero if successful, errno value if not.  EIO is used
-   for address out of bounds.  If breakpoints are inserted, returns
-   shadow contents, not the breakpoints themselves.  From breakpoint.c.  */
-
-int
-read_memory_nobpt (CORE_ADDR memaddr, char *myaddr, unsigned len)
-{
-  int status;
-  struct breakpoint *b;
-  CORE_ADDR bp_addr = 0;
-  int bp_size = 0;
-
-  if (BREAKPOINT_FROM_PC (&bp_addr, &bp_size) == NULL)
-    /* No breakpoints on this machine. */
-    return target_read_memory (memaddr, myaddr, len);
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->type == bp_none)
-      warning ("reading through apparently deleted breakpoint #%d?", 
-	       b->number);
-
-    /* memory breakpoint? */
-    if (b->type == bp_watchpoint
-	|| b->type == bp_hardware_watchpoint
-	|| b->type == bp_read_watchpoint
-	|| b->type == bp_access_watchpoint)
-      continue;
-    /* bp in memory? */
-    if (!b->inserted)
-      continue;
-    /* Addresses and length of the part of the breakpoint that
-       we need to copy.  */
-    /* XXXX The m68k, sh and h8300 have different local and remote
-       breakpoint values.  BREAKPOINT_FROM_PC still manages to
-       correctly determine the breakpoints memory address and size
-       for these targets. */
-    bp_addr = b->address;
-    bp_size = 0;
-    if (BREAKPOINT_FROM_PC (&bp_addr, &bp_size) == NULL)
-      continue;
-    if (bp_size == 0)
-      /* bp isn't valid */
-      continue;
-    if (bp_addr + bp_size <= memaddr)
-      /* The breakpoint is entirely before the chunk of memory we
-         are reading.  */
-      continue;
-    if (bp_addr >= memaddr + len)
-      /* The breakpoint is entirely after the chunk of memory we are
-         reading. */
-      continue;
-    /* Copy the breakpoint from the shadow contents, and recurse for
-       the things before and after.  */
-    {
-      /* Offset within shadow_contents.  */
-      int bptoffset = 0;
-
-      if (bp_addr < memaddr)
-	{
-	  /* Only copy the second part of the breakpoint.  */
-	  bp_size -= memaddr - bp_addr;
-	  bptoffset = memaddr - bp_addr;
-	  bp_addr = memaddr;
-	}
-
-      if (bp_addr + bp_size > memaddr + len)
-	{
-	  /* Only copy the first part of the breakpoint.  */
-	  bp_size -= (bp_addr + bp_size) - (memaddr + len);
-	}
-
-      memcpy (myaddr + bp_addr - memaddr,
-	      b->shadow_contents + bptoffset, bp_size);
-
-      if (bp_addr > memaddr)
-	{
-	  /* Copy the section of memory before the breakpoint.  */
-	  status = read_memory_nobpt (memaddr, myaddr, bp_addr - memaddr);
-	  if (status != 0)
-	    return status;
-	}
-
-      if (bp_addr + bp_size < memaddr + len)
-	{
-	  /* Copy the section of memory after the breakpoint.  */
-	  status = read_memory_nobpt (bp_addr + bp_size,
-				      myaddr + bp_addr + bp_size - memaddr,
-				      memaddr + len - (bp_addr + bp_size));
-	  if (status != 0)
-	    return status;
-	}
-      return 0;
-    }
-  }
-  /* Nothing overlaps.  Just call read_memory_noerr.  */
-  return target_read_memory (memaddr, myaddr, len);
-}
-
-
-/* insert_breakpoints is used when starting or continuing the program.
-   remove_breakpoints is used when the program stops.
-   Both return zero if successful,
-   or an `errno' value if could not write the inferior.  */
-
-int
-insert_breakpoints (void)
-{
-  register struct breakpoint *b, *temp;
-  int return_val = 0;	/* return success code. */
-  int val = 0;
-  int disabled_breaks = 0;
-  int hw_breakpoint_error = 0;
-  int process_warning = 0;
-
-  static char message1[] = "Error inserting catchpoint %d:\n";
-  static char message[sizeof (message1) + 30];
-
-#ifdef ONE_PROCESS_WRITETEXT
-  process_warning = 1;
-#endif
-
-  struct ui_file *tmp_error_stream = mem_fileopen ();
-  make_cleanup_ui_file_delete (tmp_error_stream);
-
-  /* Explicitly mark the warning -- this will only be printed if
-     there was an error.  */
-  fprintf_unfiltered (tmp_error_stream, "Warning:\n");
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    if (b->enable_state == bp_permanent)
-      /* Permanent breakpoints cannot be inserted or removed.  */
-      continue;
-    if ((b->type == bp_watchpoint
-	 || b->type == bp_hardware_watchpoint
-	 || b->type == bp_read_watchpoint
-	 || b->type == bp_access_watchpoint) && (!b->val))
-      {
-	struct value *val;
-	val = evaluate_expression (b->exp);
-	release_value (val);
-	if (VALUE_LAZY (val))
-	  value_fetch_lazy (val);
-	b->val = val;
-      } 
-    if (b->type != bp_watchpoint
-	&& b->type != bp_hardware_watchpoint
-	&& b->type != bp_read_watchpoint
-	&& b->type != bp_access_watchpoint
-	&& b->type != bp_catch_fork
-	&& b->type != bp_catch_vfork
-	&& b->type != bp_catch_exec
-	&& b->type != bp_catch_throw
-	&& b->type != bp_catch_catch
-	&& b->enable_state != bp_disabled
-	&& b->enable_state != bp_shlib_disabled
-	&& b->enable_state != bp_call_disabled
-	&& !b->inserted
-	&& !b->duplicate)
-      {
-	/* "Normal" instruction breakpoint: either the standard
-	   trap-instruction bp (bp_breakpoint), or a
-	   bp_hardware_breakpoint.  */
-
-	/* First check to see if we have to handle an overlay.  */
-	if (overlay_debugging == ovly_off
-	    || b->section == NULL
-	    || !(section_is_overlay (b->section)))
-	  {
-	    /* No overlay handling: just set the breakpoint.  */
-
-	    if (b->type == bp_hardware_breakpoint)
-	      val = target_insert_hw_breakpoint (b->address, 
-						 b->shadow_contents);
-	    else
-	      val = target_insert_breakpoint (b->address, b->shadow_contents);
-	  }
-	else
-	  {
-	    /* This breakpoint is in an overlay section.  
-	       Shall we set a breakpoint at the LMA?  */
-	    if (!overlay_events_enabled)
-	      {
-		/* Yes -- overlay event support is not active, 
-		   so we must try to set a breakpoint at the LMA.
-		   This will not work for a hardware breakpoint.  */
-		if (b->type == bp_hardware_breakpoint)
-		  warning ("hardware breakpoint %d not supported in overlay!\n",
-			   b->number);
-		else
-		  {
-		    CORE_ADDR addr = overlay_unmapped_address (b->address, 
-							       b->section);
-		    /* Set a software (trap) breakpoint at the LMA.  */
-		    val = target_insert_breakpoint (addr, b->shadow_contents);
-		    if (val != 0)
-		      fprintf_unfiltered (tmp_error_stream, 
-					  "Overlay breakpoint %d failed: in ROM?", 
-					  b->number);
-		  }
-	      }
-	    /* Shall we set a breakpoint at the VMA? */
-	    if (section_is_mapped (b->section))
-	      {
-		/* Yes.  This overlay section is mapped into memory.  */
-		if (b->type == bp_hardware_breakpoint)
-		  val = target_insert_hw_breakpoint (b->address, 
-						     b->shadow_contents);
-		else
-		  val = target_insert_breakpoint (b->address,
-						  b->shadow_contents);
-	      }
-	    else
-	      {
-		/* No.  This breakpoint will not be inserted.  
-		   No error, but do not mark the bp as 'inserted'.  */
-		continue;
-	      }
-	  }
-
-	if (val)
-	  {
-	    /* Can't set the breakpoint.  */
-#if defined (DISABLE_UNSETTABLE_BREAK)
-	    if (DISABLE_UNSETTABLE_BREAK (b->address))
-	      {
-		/* See also: disable_breakpoints_in_shlibs. */
-		val = 0;
-		b->enable_state = bp_shlib_disabled;
-		if (!disabled_breaks)
-		  {
-		    fprintf_unfiltered (tmp_error_stream, 
-					"Cannot insert breakpoint %d.\n", b->number);
-		    fprintf_unfiltered (tmp_error_stream, 
-					"Temporarily disabling shared library breakpoints:\n");
-		  }
-		disabled_breaks = 1;
-		fprintf_unfiltered (tmp_error_stream, "breakpoint #%d\n", b->number);
-	      }
-	    else
-#endif
-	      {
-		process_warning = 1;
-		if (b->type == bp_hardware_breakpoint)
-		  {
-		    hw_breakpoint_error = 1;
-		    fprintf_unfiltered (tmp_error_stream, 
-					"Cannot insert hardware breakpoint %d.\n",
-					b->number);
-		  }
-		else
-		  {
-		    fprintf_unfiltered (tmp_error_stream, "Cannot insert breakpoint %d.\n", b->number);
-		    fprintf_filtered (tmp_error_stream, "Error accessing memory address ");
-		    print_address_numeric (b->address, 1, tmp_error_stream);
-		    fprintf_filtered (tmp_error_stream, ": %s.\n",
-				      safe_strerror (val));
-		  }
-
-	      }
-	  }
-	else
-	  b->inserted = 1;
-
-	if (val)
-	  return_val = val;	/* remember failure */
-      }
-    else if (ep_is_exception_catchpoint (b)
-	     && b->enable_state != bp_disabled
-	     && b->enable_state != bp_shlib_disabled
-	     && b->enable_state != bp_call_disabled
-	     && !b->inserted
-	     && !b->duplicate)
-
-      {
-	/* If we get here, we must have a callback mechanism for exception
-	   events -- with g++ style embedded label support, we insert
-	   ordinary breakpoints and not catchpoints. */
-	/* Format possible error message */
-	sprintf (message, message1, b->number);
-
-	val = target_insert_breakpoint (b->address, b->shadow_contents);
-	if (val)
-	  {
-	    /* Couldn't set breakpoint for some reason */
-	    fprintf_unfiltered (tmp_error_stream, 
-				"Cannot insert catchpoint %d; disabling it.\n",
-				b->number);
-	    fprintf_filtered (tmp_error_stream, "Error accessing memory address ");
-	    print_address_numeric (b->address, 1, tmp_error_stream);
-	    fprintf_filtered (tmp_error_stream, ": %s.\n",
-			      safe_strerror (val));
-	    b->enable_state = bp_disabled;
-	  }
-	else
-	  {
-	    /* Bp set, now make sure callbacks are enabled */
-	    int val;
-	    args_for_catchpoint_enable args;
-	    args.kind = b->type == bp_catch_catch ? 
-	      EX_EVENT_CATCH : EX_EVENT_THROW;
-	    args.enable_p = 1;
-	    val = catch_errors (cover_target_enable_exception_callback,
-				&args,
-				message, RETURN_MASK_ALL);
-	    if (val != 0 && val != -1)
-	      {
-		b->inserted = 1;
-	      }
-	    /* Check if something went wrong; val == 0 can be ignored */
-	    if (val == -1)
-	      {
-		/* something went wrong */
-		fprintf_unfiltered (tmp_error_stream, 
-				    "Cannot insert catchpoint %d; disabling it.\n",
-				    b->number);
-		b->enable_state = bp_disabled;
-	      }
-	  }
-
-	if (val)
-	  return_val = val;	/* remember failure */
-      }
-
-    else if ((b->type == bp_hardware_watchpoint ||
-	      b->type == bp_read_watchpoint ||
-	      b->type == bp_access_watchpoint)
-	     && b->enable_state == bp_enabled
-	     && b->disposition != disp_del_at_next_stop
-	     && !b->inserted
-	     && !b->duplicate)
-      {
-	struct frame_info *saved_frame;
-	int saved_level, within_current_scope;
-	struct value *mark = value_mark ();
-	struct value *v;
-
-	/* Save the current frame and level so we can restore it after
-	   evaluating the watchpoint expression on its own frame.  */
-	saved_frame = selected_frame;
-	saved_level = frame_relative_level (selected_frame);
-
-	/* Determine if the watchpoint is within scope.  */
-	if (b->exp_valid_block == NULL)
-	  within_current_scope = 1;
-	else
-	  {
-	    struct frame_info *fi;
-	    fi = frame_find_by_id (b->watchpoint_frame);
-	    within_current_scope = (fi != NULL);
-	    if (within_current_scope)
-	      select_frame (fi);
-	  }
-
-	if (within_current_scope)
-	  {
-	    /* Evaluate the expression and cut the chain of values
-	       produced off from the value chain.
-
-	       Make sure the value returned isn't lazy; we use
-	       laziness to determine what memory GDB actually needed
-	       in order to compute the value of the expression.  */
-	    v = evaluate_expression (b->exp);
-	    VALUE_CONTENTS(v);
-	    value_release_to_mark (mark);
-
-	    b->val_chain = v;
-	    b->inserted = 1;
-
-	    /* Look at each value on the value chain.  */
-	    for (; v; v = v->next)
-	      {
-		/* If it's a memory location, and GDB actually needed
-                   its contents to evaluate the expression, then we
-                   must watch it.  */
-		if (VALUE_LVAL (v) == lval_memory
-		    && ! VALUE_LAZY (v))
-		  {
-		    struct type *vtype = check_typedef (VALUE_TYPE (v));
-
-		    /* We only watch structs and arrays if user asked
-		       for it explicitly, never if they just happen to
-		       appear in the middle of some value chain.  */
-		    if (v == b->val_chain
-			|| (TYPE_CODE (vtype) != TYPE_CODE_STRUCT
-			    && TYPE_CODE (vtype) != TYPE_CODE_ARRAY))
-		      {
-			CORE_ADDR addr;
-			int len, type;
-
-			addr = VALUE_ADDRESS (v) + VALUE_OFFSET (v);
-			len = TYPE_LENGTH (VALUE_TYPE (v));
-			type = hw_write;
-			if (b->type == bp_read_watchpoint)
-			  type = hw_read;
-			else if (b->type == bp_access_watchpoint)
-			  type = hw_access;
-
-			val = target_insert_watchpoint (addr, len, type);
-			if (val == -1)
-			  {
-			    /* Don't exit the loop, try to insert
-			       every value on the value chain.  That's
-			       because we will be removing all the
-			       watches below, and removing a
-			       watchpoint we didn't insert could have
-			       adverse effects.  */
-			    b->inserted = 0;
-			  }
-			val = 0;
-		      }
-		  }
-	      }
-	    /* Failure to insert a watchpoint on any memory value in the
-	       value chain brings us here.  */
-	    if (!b->inserted)
-	      {
-		process_warning = 1;
-		remove_breakpoint (b, mark_uninserted);
-		hw_breakpoint_error = 1;
-		fprintf_unfiltered (tmp_error_stream,
-				    "Cannot insert hardware watchpoint %d.\n", b->number);
-		val = -1;
-	      }               
-	  }
-	else
-	  {
-	    printf_filtered ("Hardware watchpoint %d deleted ", b->number);
-	    printf_filtered ("because the program has left the block \n");
-	    printf_filtered ("in which its expression is valid.\n");
-	    if (b->related_breakpoint)
-	      b->related_breakpoint->disposition = disp_del_at_next_stop;
-	    b->disposition = disp_del_at_next_stop;
-	  }
-
-	/* Restore the frame and level.  */
-	if ((saved_frame != selected_frame) ||
-	    (saved_level != frame_relative_level (selected_frame)))
-	  select_frame (saved_frame);
-
-	if (val)
-	  return_val = val;	/* remember failure */
-      }
-    else if ((b->type == bp_catch_fork
-	      || b->type == bp_catch_vfork
-	      || b->type == bp_catch_exec)
-	     && b->enable_state == bp_enabled
-	     && !b->inserted
-	     && !b->duplicate)
-      {
-	val = -1;
-	switch (b->type)
-	  {
-	  case bp_catch_fork:
-	    val = target_insert_fork_catchpoint (PIDGET (inferior_ptid));
-	    break;
-	  case bp_catch_vfork:
-	    val = target_insert_vfork_catchpoint (PIDGET (inferior_ptid));
-	    break;
-	  case bp_catch_exec:
-	    val = target_insert_exec_catchpoint (PIDGET (inferior_ptid));
-	    break;
-	  default:
-	    warning ("Internal error, %s line %d.", __FILE__, __LINE__);
-	    break;
-	  }
-	if (val < 0)
-	  {
-	    fprintf_unfiltered (tmp_error_stream, "Cannot insert catchpoint %d.", b->number);
-	  }
-	else
-	  b->inserted = 1;
-
-	if (val)
-	  return_val = val;	/* remember failure */
-      }
-  }
-  
-  if (return_val) 
-    {
-      /* If a hardware breakpoint or watchpoint was inserted, add a
-         message about possibly exhausted resources.  */
-      if (hw_breakpoint_error)  
-	{
-	  fprintf_unfiltered (tmp_error_stream, "Could not insert hardware breakpoints:\n" 
-			      "You may have requested too many hardware breakpoints/watchpoints.\n");
-	}
-
-      if (process_warning)
-	fprintf_unfiltered (tmp_error_stream,"The same program may be running in another process.");
-
-      target_terminal_ours_for_output ();
-      error_stream (tmp_error_stream);
-    }
-  return return_val;
-}
-
-int
-remove_breakpoints (void)
-{
-  register struct breakpoint *b;
-  int val;
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->inserted)
-      {
-	val = remove_breakpoint (b, mark_uninserted);
-	if (val != 0)
-	  return val;
-      }
-  }
-  return 0;
-}
-
-int
-remove_hw_watchpoints (void)
-{
-  register struct breakpoint *b;
-  int val;
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->inserted
-	&& (b->type == bp_hardware_watchpoint
-	    || b->type == bp_read_watchpoint
-	    || b->type == bp_access_watchpoint))
-      {
-	val = remove_breakpoint (b, mark_uninserted);
-	if (val != 0)
-	  return val;
-      }
-  }
-  return 0;
-}
-
-int
-reattach_breakpoints (int pid)
-{
-  register struct breakpoint *b;
-  int val;
-  struct cleanup *old_chain = save_inferior_ptid ();
-
-  /* Set inferior_ptid; remove_breakpoint uses this global.  */
-  inferior_ptid = pid_to_ptid (pid);
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->inserted)
-      {
-	remove_breakpoint (b, mark_inserted);
-	if (b->type == bp_hardware_breakpoint)
-	  val = target_insert_hw_breakpoint (b->address, b->shadow_contents);
-	else
-	  val = target_insert_breakpoint (b->address, b->shadow_contents);
-	if (val != 0)
-	  {
-	    do_cleanups (old_chain);
-	    return val;
-	  }
-      }
-  }
-  do_cleanups (old_chain);
-  return 0;
-}
-
-void
-update_breakpoints_after_exec (void)
-{
-  struct breakpoint *b;
-  struct breakpoint *temp;
-
-  /* Doing this first prevents the badness of having delete_breakpoint()
-     write a breakpoint's current "shadow contents" to lift the bp.  That
-     shadow is NOT valid after an exec()! */
-  mark_breakpoints_out ();
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    /* Solib breakpoints must be explicitly reset after an exec(). */
-    if (b->type == bp_shlib_event)
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* Thread event breakpoints must be set anew after an exec(),
-       as must overlay event breakpoints.  */
-    if (b->type == bp_thread_event || b->type == bp_overlay_event)
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* Step-resume breakpoints are meaningless after an exec(). */
-    if (b->type == bp_step_resume)
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* Ditto the sigtramp handler breakpoints. */
-    if (b->type == bp_through_sigtramp)
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* Ditto the exception-handling catchpoints. */
-    if ((b->type == bp_catch_catch) || (b->type == bp_catch_throw))
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* Don't delete an exec catchpoint, because else the inferior
-       won't stop when it ought!
-
-       Similarly, we probably ought to keep vfork catchpoints, 'cause
-       on this target, we may not be able to stop when the vfork is
-       seen, but only when the subsequent exec is seen.  (And because
-       deleting fork catchpoints here but not vfork catchpoints will
-       seem mysterious to users, keep those too.)
-
-       ??rehrauer: Let's hope that merely clearing out this catchpoint's
-       target address field, if any, is sufficient to have it be reset
-       automagically.  Certainly on HP-UX that's true.
-
-       Jim Blandy <jimb@redhat.com>: Actually, zero is a perfectly
-       valid code address on some platforms (like the mn10200 and
-       mn10300 simulators).  We shouldn't assign any special
-       interpretation to a breakpoint with a zero address.  And in
-       fact, GDB doesn't --- I can't see what that comment above is
-       talking about.  As far as I can tell, setting the address of a
-       bp_catch_exec/bp_catch_vfork/bp_catch_fork breakpoint to zero
-       is meaningless, since those are implemented with HP-UX kernel
-       hackery, not by storing breakpoint instructions somewhere.  */
-    if ((b->type == bp_catch_exec) ||
-	(b->type == bp_catch_vfork) ||
-	(b->type == bp_catch_fork))
-      {
-	b->address = (CORE_ADDR) NULL;
-	continue;
-      }
-
-    /* bp_finish is a special case.  The only way we ought to be able
-       to see one of these when an exec() has happened, is if the user
-       caught a vfork, and then said "finish".  Ordinarily a finish just
-       carries them to the call-site of the current callee, by setting
-       a temporary bp there and resuming.  But in this case, the finish
-       will carry them entirely through the vfork & exec.
-
-       We don't want to allow a bp_finish to remain inserted now.  But
-       we can't safely delete it, 'cause finish_command has a handle to
-       the bp on a bpstat, and will later want to delete it.  There's a
-       chance (and I've seen it happen) that if we delete the bp_finish
-       here, that its storage will get reused by the time finish_command
-       gets 'round to deleting the "use to be a bp_finish" breakpoint.
-       We really must allow finish_command to delete a bp_finish.
-
-       In the absense of a general solution for the "how do we know
-       it's safe to delete something others may have handles to?"
-       problem, what we'll do here is just uninsert the bp_finish, and
-       let finish_command delete it.
-
-       (We know the bp_finish is "doomed" in the sense that it's
-       momentary, and will be deleted as soon as finish_command sees
-       the inferior stopped.  So it doesn't matter that the bp's
-       address is probably bogus in the new a.out, unlike e.g., the
-       solib breakpoints.)  */
-
-    if (b->type == bp_finish)
-      {
-	continue;
-      }
-
-    /* Without a symbolic address, we have little hope of the
-       pre-exec() address meaning the same thing in the post-exec()
-       a.out. */
-    if (b->addr_string == NULL)
-      {
-	delete_breakpoint (b);
-	continue;
-      }
-
-    /* If this breakpoint has survived the above battery of checks, then
-       it must have a symbolic address.  Be sure that it gets reevaluated
-       to a target address, rather than reusing the old evaluation.
-
-       Jim Blandy <jimb@redhat.com>: As explained above in the comment
-       for bp_catch_exec and friends, I'm pretty sure this is entirely
-       unnecessary.  A call to breakpoint_re_set_one always recomputes
-       the breakpoint's address from scratch, or deletes it if it can't.
-       So I think this assignment could be deleted without effect.  */
-    b->address = (CORE_ADDR) NULL;
-  }
-  /* FIXME what about longjmp breakpoints?  Re-create them here?  */
-  create_overlay_event_breakpoint ("_ovly_debug_event");
-}
-
-int
-detach_breakpoints (int pid)
-{
-  register struct breakpoint *b;
-  int val;
-  struct cleanup *old_chain = save_inferior_ptid ();
-
-  if (pid == PIDGET (inferior_ptid))
-    error ("Cannot detach breakpoints of inferior_ptid");
-
-  /* Set inferior_ptid; remove_breakpoint uses this global.  */
-  inferior_ptid = pid_to_ptid (pid);
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->inserted)
-      {
-	val = remove_breakpoint (b, mark_inserted);
-	if (val != 0)
-	  {
-	    do_cleanups (old_chain);
-	    return val;
-	  }
-      }
-  }
-  do_cleanups (old_chain);
-  return 0;
-}
-
-static int
-remove_breakpoint (struct breakpoint *b, insertion_state_t is)
-{
-  int val;
-
-  if (b->enable_state == bp_permanent)
-    /* Permanent breakpoints cannot be inserted or removed.  */
-    return 0;
-
-  if (b->type == bp_none)
-    warning ("attempted to remove apparently deleted breakpoint #%d?", 
-	     b->number);
-
-  if (b->type != bp_watchpoint
-      && b->type != bp_hardware_watchpoint
-      && b->type != bp_read_watchpoint
-      && b->type != bp_access_watchpoint
-      && b->type != bp_catch_fork
-      && b->type != bp_catch_vfork
-      && b->type != bp_catch_exec
-      && b->type != bp_catch_catch
-      && b->type != bp_catch_throw)
-    {
-      /* "Normal" instruction breakpoint: either the standard
-	 trap-instruction bp (bp_breakpoint), or a
-	 bp_hardware_breakpoint.  */
-
-      /* First check to see if we have to handle an overlay.  */
-      if (overlay_debugging == ovly_off
-	  || b->section == NULL
-	  || !(section_is_overlay (b->section)))
-	{
-	  /* No overlay handling: just remove the breakpoint.  */
-
-	  if (b->type == bp_hardware_breakpoint)
-	    val = target_remove_hw_breakpoint (b->address, 
-					       b->shadow_contents);
-	  else
-	    val = target_remove_breakpoint (b->address, b->shadow_contents);
-	}
-      else
-	{
-	  /* This breakpoint is in an overlay section.  
-	     Did we set a breakpoint at the LMA?  */
-	  if (!overlay_events_enabled)
-	      {
-		/* Yes -- overlay event support is not active, so we
-		   should have set a breakpoint at the LMA.  Remove it.  
-		*/
-		CORE_ADDR addr = overlay_unmapped_address (b->address, 
-							   b->section);
-		/* Ignore any failures: if the LMA is in ROM, we will
-		   have already warned when we failed to insert it.  */
-		if (b->type != bp_hardware_breakpoint)
-		  target_remove_hw_breakpoint (addr, b->shadow_contents);
-		else
-		  target_remove_breakpoint (addr, b->shadow_contents);
-	      }
-	  /* Did we set a breakpoint at the VMA? 
-	     If so, we will have marked the breakpoint 'inserted'.  */
-	  if (b->inserted)
-	    {
-	      /* Yes -- remove it.  Previously we did not bother to
-		 remove the breakpoint if the section had been
-		 unmapped, but let's not rely on that being safe.  We
-		 don't know what the overlay manager might do.  */
-	      if (b->type == bp_hardware_breakpoint)
-		val = target_remove_hw_breakpoint (b->address, 
-						   b->shadow_contents);
-	      else
-		val = target_remove_breakpoint (b->address,
-						b->shadow_contents);
-	    }
-	  else
-	    {
-	      /* No -- not inserted, so no need to remove.  No error.  */
-	      val = 0;
-	    }
-	}
-      if (val)
-	return val;
-      b->inserted = (is == mark_inserted);
-    }
-  else if ((b->type == bp_hardware_watchpoint ||
-	    b->type == bp_read_watchpoint ||
-	    b->type == bp_access_watchpoint)
-	   && b->enable_state == bp_enabled
-	   && !b->duplicate)
-    {
-      struct value *v;
-      struct value *n;
-
-      b->inserted = (is == mark_inserted);
-      /* Walk down the saved value chain.  */
-      for (v = b->val_chain; v; v = v->next)
-	{
-	  /* For each memory reference remove the watchpoint
-	     at that address.  */
-	  if (VALUE_LVAL (v) == lval_memory
-	      && ! VALUE_LAZY (v))
-	    {
-	      struct type *vtype = check_typedef (VALUE_TYPE (v));
-
-	      if (v == b->val_chain
-		  || (TYPE_CODE (vtype) != TYPE_CODE_STRUCT
-		      && TYPE_CODE (vtype) != TYPE_CODE_ARRAY))
-		{
-		  CORE_ADDR addr;
-		  int len, type;
-
-		  addr = VALUE_ADDRESS (v) + VALUE_OFFSET (v);
-		  len = TYPE_LENGTH (VALUE_TYPE (v));
-		  type   = hw_write;
-		  if (b->type == bp_read_watchpoint)
-		    type = hw_read;
-		  else if (b->type == bp_access_watchpoint)
-		    type = hw_access;
-
-		  val = target_remove_watchpoint (addr, len, type);
-		  if (val == -1)
-		    b->inserted = 1;
-		  val = 0;
-		}
-	    }
-	}
-      /* Failure to remove any of the hardware watchpoints comes here.  */
-      if ((is == mark_uninserted) && (b->inserted))
-	warning ("Could not remove hardware watchpoint %d.",
-		 b->number);
-
-      /* Free the saved value chain.  We will construct a new one
-         the next time the watchpoint is inserted.  */
-      for (v = b->val_chain; v; v = n)
-	{
-	  n = v->next;
-	  value_free (v);
-	}
-      b->val_chain = NULL;
-    }
-  else if ((b->type == bp_catch_fork ||
-	    b->type == bp_catch_vfork ||
-	    b->type == bp_catch_exec)
-	   && b->enable_state == bp_enabled
-	   && !b->duplicate)
-    {
-      val = -1;
-      switch (b->type)
-	{
-	case bp_catch_fork:
-	  val = target_remove_fork_catchpoint (PIDGET (inferior_ptid));
-	  break;
-	case bp_catch_vfork:
-	  val = target_remove_vfork_catchpoint (PIDGET (inferior_ptid));
-	  break;
-	case bp_catch_exec:
-	  val = target_remove_exec_catchpoint (PIDGET (inferior_ptid));
-	  break;
-	default:
-	  warning ("Internal error, %s line %d.", __FILE__, __LINE__);
-	  break;
-	}
-      if (val)
-	return val;
-      b->inserted = (is == mark_inserted);
-    }
-  else if ((b->type == bp_catch_catch ||
-	    b->type == bp_catch_throw)
-	   && b->enable_state == bp_enabled
-	   && !b->duplicate)
-    {
-
-      val = target_remove_breakpoint (b->address, b->shadow_contents);
-      if (val)
-	return val;
-      b->inserted = (is == mark_inserted);
-    }
-  else if (ep_is_exception_catchpoint (b)
-	   && b->inserted	/* sometimes previous insert doesn't happen */
-	   && b->enable_state == bp_enabled
-	   && !b->duplicate)
-    {
-
-      val = target_remove_breakpoint (b->address, b->shadow_contents);
-      if (val)
-	return val;
-
-      b->inserted = (is == mark_inserted);
-    }
-
-  return 0;
-}
-
-/* Clear the "inserted" flag in all breakpoints.  */
-
-void
-mark_breakpoints_out (void)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    b->inserted = 0;
-}
-
-/* Clear the "inserted" flag in all breakpoints and delete any
-   breakpoints which should go away between runs of the program.
-
-   Plus other such housekeeping that has to be done for breakpoints
-   between runs.
-
-   Note: this function gets called at the end of a run (by
-   generic_mourn_inferior) and when a run begins (by
-   init_wait_for_inferior). */
-
-
-
-void
-breakpoint_init_inferior (enum inf_context context)
-{
-  register struct breakpoint *b, *temp;
-  static int warning_needed = 0;
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    b->inserted = 0;
-
-    switch (b->type)
-      {
-      case bp_call_dummy:
-      case bp_watchpoint_scope:
-
-	/* If the call dummy breakpoint is at the entry point it will
-	   cause problems when the inferior is rerun, so we better
-	   get rid of it. 
-
-	   Also get rid of scope breakpoints.  */
-	delete_breakpoint (b);
-	break;
-
-      case bp_watchpoint:
-      case bp_hardware_watchpoint:
-      case bp_read_watchpoint:
-      case bp_access_watchpoint:
-
-	/* Likewise for watchpoints on local expressions.  */
-	if (b->exp_valid_block != NULL)
-	  delete_breakpoint (b);
-	if (context == inf_starting) 
-	  {
-	    /* Reset val field to force reread of starting value
-	       in insert_breakpoints.  */
-	    if (b->val)
-	      value_free (b->val);
-	    b->val = NULL;
-	  }
-	break;
-      default:
-	/* Likewise for exception catchpoints in dynamic-linked
-	   executables where required */
-	if (ep_is_exception_catchpoint (b) &&
-	    exception_catchpoints_are_fragile)
-	  {
-	    warning_needed = 1;
-	    delete_breakpoint (b);
-	  }
-	break;
-      }
-  }
-
-  if (exception_catchpoints_are_fragile)
-    exception_support_initialized = 0;
-
-  /* Don't issue the warning unless it's really needed... */
-  if (warning_needed && (context != inf_exited))
-    {
-      warning ("Exception catchpoints from last run were deleted.");
-      warning ("You must reinsert them explicitly.");
-      warning_needed = 0;
-    }
-}
-
-/* breakpoint_here_p (PC) returns non-zero if an enabled breakpoint
-   exists at PC.  It returns ordinary_breakpoint_here if it's an
-   ordinary breakpoint, or permanent_breakpoint_here if it's a
-   permanent breakpoint.
-   - When continuing from a location with an ordinary breakpoint, we
-     actually single step once before calling insert_breakpoints.
-   - When continuing from a localion with a permanent breakpoint, we
-     need to use the `SKIP_PERMANENT_BREAKPOINT' macro, provided by
-     the target, to advance the PC past the breakpoint.  */
-
-enum breakpoint_here
-breakpoint_here_p (CORE_ADDR pc)
-{
-  register struct breakpoint *b;
-  int any_breakpoint_here = 0;
-
-  ALL_BREAKPOINTS (b)
-    if ((b->enable_state == bp_enabled
-	 || b->enable_state == bp_permanent)
-	&& b->address == pc)	/* bp is enabled and matches pc */
-      {
-	if (overlay_debugging 
-	    && section_is_overlay (b->section) 
-	    && !section_is_mapped (b->section))
-	  continue;		/* unmapped overlay -- can't be a match */
-	else if (b->enable_state == bp_permanent)
-	  return permanent_breakpoint_here;
-	else
-	  any_breakpoint_here = 1;
-      }
-
-  return any_breakpoint_here ? ordinary_breakpoint_here : 0;
-}
-
-
-/* breakpoint_inserted_here_p (PC) is just like breakpoint_here_p(),
-   but it only returns true if there is actually a breakpoint inserted
-   at PC.  */
-
-int
-breakpoint_inserted_here_p (CORE_ADDR pc)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->inserted
-	&& b->address == pc)	/* bp is inserted and matches pc */
-    {
-      if (overlay_debugging 
-	  && section_is_overlay (b->section) 
-	  && !section_is_mapped (b->section))
-	continue;		/* unmapped overlay -- can't be a match */
-      else
-	return 1;
-    }
-
-  return 0;
-}
-
-/* Return nonzero if FRAME is a dummy frame.  We can't use
-   PC_IN_CALL_DUMMY because figuring out the saved SP would take too
-   much time, at least using get_saved_register on the 68k.  This
-   means that for this function to work right a port must use the
-   bp_call_dummy breakpoint.  */
-
-int
-frame_in_dummy (struct frame_info *frame)
-{
-  struct breakpoint *b;
-
-  if (!CALL_DUMMY_P)
-    return 0;
-
-  if (USE_GENERIC_DUMMY_FRAMES)
-    return generic_pc_in_call_dummy (frame->pc, frame->frame, frame->frame);
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->type == bp_call_dummy
-	&& b->frame == frame->frame
-    /* We need to check the PC as well as the frame on the sparc,
-       for signals.exp in the testsuite.  */
-	&& (frame->pc
-	    >= (b->address
-	      - SIZEOF_CALL_DUMMY_WORDS / sizeof (LONGEST) * REGISTER_SIZE))
-	&& frame->pc <= b->address)
-      return 1;
-  }
-  return 0;
-}
-
-/* breakpoint_thread_match (PC, PID) returns true if the breakpoint at
-   PC is valid for process/thread PID.  */
-
-int
-breakpoint_thread_match (CORE_ADDR pc, ptid_t ptid)
-{
-  struct breakpoint *b;
-  int thread;
-
-  thread = pid_to_thread_id (ptid);
-
-  ALL_BREAKPOINTS (b)
-    if (b->enable_state != bp_disabled
-	&& b->enable_state != bp_shlib_disabled
-	&& b->enable_state != bp_call_disabled
-	&& b->address == pc
-	&& (b->thread == -1 || b->thread == thread))
-    {
-      if (overlay_debugging 
-	  && section_is_overlay (b->section) 
-	  && !section_is_mapped (b->section))
-	continue;		/* unmapped overlay -- can't be a match */
-      else
-	return 1;
-    }
-
-  return 0;
-}
-
-
-/* bpstat stuff.  External routines' interfaces are documented
-   in breakpoint.h.  */
-
-int
-ep_is_catchpoint (struct breakpoint *ep)
-{
-  return
-    (ep->type == bp_catch_load)
-    || (ep->type == bp_catch_unload)
-    || (ep->type == bp_catch_fork)
-    || (ep->type == bp_catch_vfork)
-    || (ep->type == bp_catch_exec)
-    || (ep->type == bp_catch_catch)
-    || (ep->type == bp_catch_throw);
-
-  /* ??rehrauer: Add more kinds here, as are implemented... */
-}
-
-int
-ep_is_shlib_catchpoint (struct breakpoint *ep)
-{
-  return
-    (ep->type == bp_catch_load)
-    || (ep->type == bp_catch_unload);
-}
-
-int
-ep_is_exception_catchpoint (struct breakpoint *ep)
-{
-  return
-    (ep->type == bp_catch_catch)
-    || (ep->type == bp_catch_throw);
-}
-
-/* Clear a bpstat so that it says we are not at any breakpoint.
-   Also free any storage that is part of a bpstat.  */
-
-void
-bpstat_clear (bpstat *bsp)
-{
-  bpstat p;
-  bpstat q;
-
-  if (bsp == 0)
-    return;
-  p = *bsp;
-  while (p != NULL)
-    {
-      q = p->next;
-      if (p->old_val != NULL)
-	value_free (p->old_val);
-      free_command_lines (&p->commands);
-      xfree (p);
-      p = q;
-    }
-  *bsp = NULL;
-}
-
-/* Return a copy of a bpstat.  Like "bs1 = bs2" but all storage that
-   is part of the bpstat is copied as well.  */
-
-bpstat
-bpstat_copy (bpstat bs)
-{
-  bpstat p = NULL;
-  bpstat tmp;
-  bpstat retval = NULL;
-
-  if (bs == NULL)
-    return bs;
-
-  for (; bs != NULL; bs = bs->next)
-    {
-      tmp = (bpstat) xmalloc (sizeof (*tmp));
-      memcpy (tmp, bs, sizeof (*tmp));
-      if (p == NULL)
-	/* This is the first thing in the chain.  */
-	retval = tmp;
-      else
-	p->next = tmp;
-      p = tmp;
-    }
-  p->next = NULL;
-  return retval;
-}
-
-/* Find the bpstat associated with this breakpoint */
-
-bpstat
-bpstat_find_breakpoint (bpstat bsp, struct breakpoint *breakpoint)
-{
-  if (bsp == NULL)
-    return NULL;
-
-  for (; bsp != NULL; bsp = bsp->next)
-    {
-      if (bsp->breakpoint_at == breakpoint)
-	return bsp;
-    }
-  return NULL;
-}
-
-/* Find a step_resume breakpoint associated with this bpstat.
-   (If there are multiple step_resume bp's on the list, this function
-   will arbitrarily pick one.)
-
-   It is an error to use this function if BPSTAT doesn't contain a
-   step_resume breakpoint.
-
-   See wait_for_inferior's use of this function.  */
-struct breakpoint *
-bpstat_find_step_resume_breakpoint (bpstat bsp)
-{
-  int current_thread;
-
-  if (bsp == NULL)
-    error ("Internal error (bpstat_find_step_resume_breakpoint)");
-
-  current_thread = pid_to_thread_id (inferior_ptid);
-
-  for (; bsp != NULL; bsp = bsp->next)
-    {
-      if ((bsp->breakpoint_at != NULL) &&
-	  (bsp->breakpoint_at->type == bp_step_resume) &&
-	  (bsp->breakpoint_at->thread == current_thread || 
-	   bsp->breakpoint_at->thread == -1))
-	return bsp->breakpoint_at;
-    }
-
-  error ("Internal error (no step_resume breakpoint found)");
-}
-
-
-/* Return the breakpoint number of the first breakpoint we are stopped
-   at.  *BSP upon return is a bpstat which points to the remaining
-   breakpoints stopped at (but which is not guaranteed to be good for
-   anything but further calls to bpstat_num).
-   Return 0 if passed a bpstat which does not indicate any breakpoints.  */
-
-int
-bpstat_num (bpstat *bsp)
-{
-  struct breakpoint *b;
-
-  if ((*bsp) == NULL)
-    return 0;			/* No more breakpoint values */
-  else
-    {
-      b = (*bsp)->breakpoint_at;
-      *bsp = (*bsp)->next;
-      if (b == NULL)
-	return -1;		/* breakpoint that's been deleted since */
-      else
-	return b->number;	/* We have its number */
-    }
-}
-
-/* Modify BS so that the actions will not be performed.  */
-
-void
-bpstat_clear_actions (bpstat bs)
-{
-  for (; bs != NULL; bs = bs->next)
-    {
-      free_command_lines (&bs->commands);
-      if (bs->old_val != NULL)
-	{
-	  value_free (bs->old_val);
-	  bs->old_val = NULL;
-	}
-    }
-}
-
-/* Stub for cleaning up our state if we error-out of a breakpoint command */
-/* ARGSUSED */
-static void
-cleanup_executing_breakpoints (PTR ignore)
-{
-  executing_breakpoint_commands = 0;
-}
-
-/* Execute all the commands associated with all the breakpoints at this
-   location.  Any of these commands could cause the process to proceed
-   beyond this point, etc.  We look out for such changes by checking
-   the global "breakpoint_proceeded" after each command.  */
-
-void
-bpstat_do_actions (bpstat *bsp)
-{
-  bpstat bs;
-  struct cleanup *old_chain;
-  struct command_line *cmd;
-
-  /* Avoid endless recursion if a `source' command is contained
-     in bs->commands.  */
-  if (executing_breakpoint_commands)
-    return;
-
-  executing_breakpoint_commands = 1;
-  old_chain = make_cleanup (cleanup_executing_breakpoints, 0);
-
-top:
-  /* Note that (as of this writing), our callers all appear to
-     be passing us the address of global stop_bpstat.  And, if
-     our calls to execute_control_command cause the inferior to
-     proceed, that global (and hence, *bsp) will change.
-
-     We must be careful to not touch *bsp unless the inferior
-     has not proceeded. */
-
-  /* This pointer will iterate over the list of bpstat's. */
-  bs = *bsp;
-
-  breakpoint_proceeded = 0;
-  for (; bs != NULL; bs = bs->next)
-    {
-      cmd = bs->commands;
-      while (cmd != NULL)
-	{
-	  execute_control_command (cmd);
-
-	  if (breakpoint_proceeded)
-	    break;
-	  else
-	    cmd = cmd->next;
-	}
-      if (breakpoint_proceeded)
-	/* The inferior is proceeded by the command; bomb out now.
-	   The bpstat chain has been blown away by wait_for_inferior.
-	   But since execution has stopped again, there is a new bpstat
-	   to look at, so start over.  */
-	goto top;
-      else
-	free_command_lines (&bs->commands);
-    }
-  do_cleanups (old_chain);
-}
-
-/* This is the normal print function for a bpstat.  In the future,
-   much of this logic could (should?) be moved to bpstat_stop_status,
-   by having it set different print_it values.
-
-   Current scheme: When we stop, bpstat_print() is called.  It loops
-   through the bpstat list of things causing this stop, calling the
-   print_bp_stop_message function on each one. The behavior of the
-   print_bp_stop_message function depends on the print_it field of
-   bpstat. If such field so indicates, call this function here.
-
-   Return values from this routine (ultimately used by bpstat_print()
-   and normal_stop() to decide what to do): 
-   PRINT_NOTHING: Means we already printed all we needed to print,
-   don't print anything else.
-   PRINT_SRC_ONLY: Means we printed something, and we do *not* desire
-   that something to be followed by a location.
-   PRINT_SCR_AND_LOC: Means we printed something, and we *do* desire
-   that something to be followed by a location.
-   PRINT_UNKNOWN: Means we printed nothing or we need to do some more
-   analysis.  */
-
-static enum print_stop_action
-print_it_typical (bpstat bs)
-{
-  struct cleanup *old_chain;
-  struct ui_stream *stb;
-  stb = ui_out_stream_new (uiout);
-  old_chain = make_cleanup_ui_out_stream_delete (stb);
-  /* bs->breakpoint_at can be NULL if it was a momentary breakpoint
-     which has since been deleted.  */
-  if (bs->breakpoint_at == NULL)
-    return PRINT_UNKNOWN;
-
-  switch (bs->breakpoint_at->type)
-    {
-    case bp_breakpoint:
-    case bp_hardware_breakpoint:
-      annotate_breakpoint (bs->breakpoint_at->number);
-      ui_out_text (uiout, "\nBreakpoint ");
-      if (ui_out_is_mi_like_p (uiout))
-	ui_out_field_string (uiout, "reason", "breakpoint-hit");
-      ui_out_field_int (uiout, "bkptno", bs->breakpoint_at->number);
-      ui_out_text (uiout, ", ");
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_shlib_event:
-      /* Did we stop because the user set the stop_on_solib_events
-	 variable?  (If so, we report this as a generic, "Stopped due
-	 to shlib event" message.) */
-      printf_filtered ("Stopped due to shared library event\n");
-      return PRINT_NOTHING;
-      break;
-
-    case bp_thread_event:
-      /* Not sure how we will get here. 
-	 GDB should not stop for these breakpoints.  */
-      printf_filtered ("Thread Event Breakpoint: gdb should not stop!\n");
-      return PRINT_NOTHING;
-      break;
-
-    case bp_overlay_event:
-      /* By analogy with the thread event, GDB should not stop for these. */
-      printf_filtered ("Overlay Event Breakpoint: gdb should not stop!\n");
-      return PRINT_NOTHING;
-      break;
-
-    case bp_catch_load:
-      annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered ("\nCatchpoint %d (", bs->breakpoint_at->number);
-      printf_filtered ("loaded");
-      printf_filtered (" %s), ", bs->breakpoint_at->triggered_dll_pathname);
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_catch_unload:
-      annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered ("\nCatchpoint %d (", bs->breakpoint_at->number);
-      printf_filtered ("unloaded");
-      printf_filtered (" %s), ", bs->breakpoint_at->triggered_dll_pathname);
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_catch_fork:
-      annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered ("\nCatchpoint %d (", bs->breakpoint_at->number);
-      printf_filtered ("forked");
-      printf_filtered (" process %d), ", 
-		       bs->breakpoint_at->forked_inferior_pid);
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_catch_vfork:
-      annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered ("\nCatchpoint %d (", bs->breakpoint_at->number);
-      printf_filtered ("vforked");
-      printf_filtered (" process %d), ", 
-		       bs->breakpoint_at->forked_inferior_pid);
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_catch_exec:
-      annotate_catchpoint (bs->breakpoint_at->number);
-      printf_filtered ("\nCatchpoint %d (exec'd %s), ",
-		       bs->breakpoint_at->number,
-		       bs->breakpoint_at->exec_pathname);
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case bp_catch_catch:
-      if (current_exception_event && 
-	  (CURRENT_EXCEPTION_KIND == EX_EVENT_CATCH))
-	{
-	  annotate_catchpoint (bs->breakpoint_at->number);
-	  printf_filtered ("\nCatchpoint %d (exception caught), ", 
-			   bs->breakpoint_at->number);
-	  printf_filtered ("throw location ");
-	  if (CURRENT_EXCEPTION_THROW_PC && CURRENT_EXCEPTION_THROW_LINE)
-	    printf_filtered ("%s:%d",
-			     CURRENT_EXCEPTION_THROW_FILE,
-			     CURRENT_EXCEPTION_THROW_LINE);
-	  else
-	    printf_filtered ("unknown");
-
-	  printf_filtered (", catch location ");
-	  if (CURRENT_EXCEPTION_CATCH_PC && CURRENT_EXCEPTION_CATCH_LINE)
-	    printf_filtered ("%s:%d",
-			     CURRENT_EXCEPTION_CATCH_FILE,
-			     CURRENT_EXCEPTION_CATCH_LINE);
-	  else
-	    printf_filtered ("unknown");
-
-	  printf_filtered ("\n");
-	  /* don't bother to print location frame info */
-	  return PRINT_SRC_ONLY;
-	}
-      else
-	{
-	  /* really throw, some other bpstat will handle it */
-	  return PRINT_UNKNOWN;	
-	}
-      break;
-
-    case bp_catch_throw:
-      if (current_exception_event && 
-	  (CURRENT_EXCEPTION_KIND == EX_EVENT_THROW))
-	{
-	  annotate_catchpoint (bs->breakpoint_at->number);
-	  printf_filtered ("\nCatchpoint %d (exception thrown), ",
-			   bs->breakpoint_at->number);
-	  printf_filtered ("throw location ");
-	  if (CURRENT_EXCEPTION_THROW_PC && CURRENT_EXCEPTION_THROW_LINE)
-	    printf_filtered ("%s:%d",
-			     CURRENT_EXCEPTION_THROW_FILE,
-			     CURRENT_EXCEPTION_THROW_LINE);
-	  else
-	    printf_filtered ("unknown");
-
-	  printf_filtered (", catch location ");
-	  if (CURRENT_EXCEPTION_CATCH_PC && CURRENT_EXCEPTION_CATCH_LINE)
-	    printf_filtered ("%s:%d",
-			     CURRENT_EXCEPTION_CATCH_FILE,
-			     CURRENT_EXCEPTION_CATCH_LINE);
-	  else
-	    printf_filtered ("unknown");
-
-	  printf_filtered ("\n");
-	  /* don't bother to print location frame info */
-	  return PRINT_SRC_ONLY; 
-	}
-      else
-	{
-	  /* really catch, some other bpstat will handle it */
-	  return PRINT_UNKNOWN;	
-	}
-      break;
-
-    case bp_watchpoint:
-    case bp_hardware_watchpoint:
-      if (bs->old_val != NULL)
-	{
-	  annotate_watchpoint (bs->breakpoint_at->number);
-	  if (ui_out_is_mi_like_p (uiout))
-	    ui_out_field_string (uiout, "reason", "watchpoint-trigger");
-	  mention (bs->breakpoint_at);
-	  ui_out_tuple_begin (uiout, "value");
-	  ui_out_text (uiout, "\nOld value = ");
-	  value_print (bs->old_val, stb->stream, 0, Val_pretty_default);
-	  ui_out_field_stream (uiout, "old", stb);
-	  ui_out_text (uiout, "\nNew value = ");
-	  value_print (bs->breakpoint_at->val, stb->stream, 0, Val_pretty_default);
-	  ui_out_field_stream (uiout, "new", stb);
-	  ui_out_tuple_end (uiout);
-	  ui_out_text (uiout, "\n");
-	  value_free (bs->old_val);
-	  bs->old_val = NULL;
-	}
-      /* More than one watchpoint may have been triggered.  */
-      return PRINT_UNKNOWN;
-      break;
-
-    case bp_read_watchpoint:
-      if (ui_out_is_mi_like_p (uiout))
-	ui_out_field_string (uiout, "reason", "read-watchpoint-trigger");
-      mention (bs->breakpoint_at);
-      ui_out_tuple_begin (uiout, "value");
-      ui_out_text (uiout, "\nValue = ");
-      value_print (bs->breakpoint_at->val, stb->stream, 0, Val_pretty_default);
-      ui_out_field_stream (uiout, "value", stb);
-      ui_out_tuple_end (uiout);
-      ui_out_text (uiout, "\n");
-      return PRINT_UNKNOWN;
-      break;
-
-    case bp_access_watchpoint:
-      if (bs->old_val != NULL)     
-	{
-	  annotate_watchpoint (bs->breakpoint_at->number);
-	  if (ui_out_is_mi_like_p (uiout))
-	    ui_out_field_string (uiout, "reason", "access-watchpoint-trigger");
-	  mention (bs->breakpoint_at);
-	  ui_out_tuple_begin (uiout, "value");
-	  ui_out_text (uiout, "\nOld value = ");
-	  value_print (bs->old_val, stb->stream, 0, Val_pretty_default);
-	  ui_out_field_stream (uiout, "old", stb);
-	  value_free (bs->old_val);
-	  bs->old_val = NULL;
-	  ui_out_text (uiout, "\nNew value = ");
-	}
-      else 
-	{
-	  mention (bs->breakpoint_at);
-	  if (ui_out_is_mi_like_p (uiout))
-	    ui_out_field_string (uiout, "reason", "access-watchpoint-trigger");
-	  ui_out_tuple_begin (uiout, "value");
-	  ui_out_text (uiout, "\nValue = ");
-	}
-      value_print (bs->breakpoint_at->val, stb->stream, 0,Val_pretty_default);
-      ui_out_field_stream (uiout, "new", stb);
-      ui_out_tuple_end (uiout);
-      ui_out_text (uiout, "\n");
-      return PRINT_UNKNOWN;
-      break;
-
-    /* Fall through, we don't deal with these types of breakpoints
-       here. */
-
-    case bp_finish:
-      if (ui_out_is_mi_like_p (uiout))
-	ui_out_field_string (uiout, "reason", "function-finished");
-      return PRINT_UNKNOWN;
-      break;
-
-    case bp_until:
-      if (ui_out_is_mi_like_p (uiout))
-	ui_out_field_string (uiout, "reason", "location-reached");
-      return PRINT_UNKNOWN;
-      break;
-
-    case bp_none:
-    case bp_longjmp:
-    case bp_longjmp_resume:
-    case bp_step_resume:
-    case bp_through_sigtramp:
-    case bp_watchpoint_scope:
-    case bp_call_dummy:
-    default:
-      return PRINT_UNKNOWN;
-    }
-}
-
-/* Generic routine for printing messages indicating why we
-   stopped. The behavior of this function depends on the value
-   'print_it' in the bpstat structure.  Under some circumstances we
-   may decide not to print anything here and delegate the task to
-   normal_stop(). */
-
-static enum print_stop_action
-print_bp_stop_message (bpstat bs)
-{
-  switch (bs->print_it)
-    {
-    case print_it_noop:
-      /* Nothing should be printed for this bpstat entry. */
-      return PRINT_UNKNOWN;
-      break;
-
-    case print_it_done:
-      /* We still want to print the frame, but we already printed the
-         relevant messages. */
-      return PRINT_SRC_AND_LOC;
-      break;
-
-    case print_it_normal:
-      /* Normal case, we handle everything in print_it_typical. */
-      return print_it_typical (bs);
-      break;
-    default:
-      internal_error (__FILE__, __LINE__,
-		      "print_bp_stop_message: unrecognized enum value");
-      break;
-    }
-}
-
-/* Print a message indicating what happened.  This is called from
-   normal_stop().  The input to this routine is the head of the bpstat
-   list - a list of the eventpoints that caused this stop.  This
-   routine calls the generic print routine for printing a message
-   about reasons for stopping.  This will print (for example) the
-   "Breakpoint n," part of the output.  The return value of this
-   routine is one of:
-
-   PRINT_UNKNOWN: Means we printed nothing
-   PRINT_SRC_AND_LOC: Means we printed something, and expect subsequent
-   code to print the location. An example is 
-   "Breakpoint 1, " which should be followed by
-   the location.
-   PRINT_SRC_ONLY: Means we printed something, but there is no need
-   to also print the location part of the message.
-   An example is the catch/throw messages, which
-   don't require a location appended to the end.  
-   PRINT_NOTHING: We have done some printing and we don't need any 
-   further info to be printed.*/
-
-enum print_stop_action
-bpstat_print (bpstat bs)
-{
-  int val;
-
-  /* Maybe another breakpoint in the chain caused us to stop.
-     (Currently all watchpoints go on the bpstat whether hit or not.
-     That probably could (should) be changed, provided care is taken
-     with respect to bpstat_explains_signal).  */
-  for (; bs; bs = bs->next)
-    {
-      val = print_bp_stop_message (bs);
-      if (val == PRINT_SRC_ONLY 
-	  || val == PRINT_SRC_AND_LOC 
-	  || val == PRINT_NOTHING)
-	return val;
-    }
-
-  /* We reached the end of the chain, or we got a null BS to start
-     with and nothing was printed. */
-  return PRINT_UNKNOWN;
-}
-
-/* Evaluate the expression EXP and return 1 if value is zero.
-   This is used inside a catch_errors to evaluate the breakpoint condition. 
-   The argument is a "struct expression *" that has been cast to char * to 
-   make it pass through catch_errors.  */
-
-static int
-breakpoint_cond_eval (PTR exp)
-{
-  struct value *mark = value_mark ();
-  int i = !value_true (evaluate_expression ((struct expression *) exp));
-  value_free_to_mark (mark);
-  return i;
-}
-
-/* Allocate a new bpstat and chain it to the current one.  */
-
-static bpstat
-bpstat_alloc (struct breakpoint *b, bpstat cbs /* Current "bs" value */ )
-{
-  bpstat bs;
-
-  bs = (bpstat) xmalloc (sizeof (*bs));
-  cbs->next = bs;
-  bs->breakpoint_at = b;
-  /* If the condition is false, etc., don't do the commands.  */
-  bs->commands = NULL;
-  bs->old_val = NULL;
-  bs->print_it = print_it_normal;
-  return bs;
-}
-
-/* Possible return values for watchpoint_check (this can't be an enum
-   because of check_errors).  */
-/* The watchpoint has been deleted.  */
-#define WP_DELETED 1
-/* The value has changed.  */
-#define WP_VALUE_CHANGED 2
-/* The value has not changed.  */
-#define WP_VALUE_NOT_CHANGED 3
-
-#define BP_TEMPFLAG 1
-#define BP_HARDWAREFLAG 2
-
-/* Check watchpoint condition.  */
-
-static int
-watchpoint_check (PTR p)
-{
-  bpstat bs = (bpstat) p;
-  struct breakpoint *b;
-  struct frame_info *fr;
-  int within_current_scope;
-
-  b = bs->breakpoint_at;
-
-  if (b->exp_valid_block == NULL)
-    within_current_scope = 1;
-  else
-    {
-      /* There is no current frame at this moment.  If we're going to have
-         any chance of handling watchpoints on local variables, we'll need
-         the frame chain (so we can determine if we're in scope).  */
-      reinit_frame_cache ();
-      fr = frame_find_by_id (b->watchpoint_frame);
-      within_current_scope = (fr != NULL);
-      /* in_function_epilogue_p() returns a non-zero value if we're still
-	 in the function but the stack frame has already been invalidated.
-	 Since we can't rely on the values of local variables after the
-	 stack has been destroyed, we are treating the watchpoint in that
-	 state as `not changed' without further checking. */
-      if (within_current_scope && fr == get_current_frame ()
-          && gdbarch_in_function_epilogue_p (current_gdbarch, read_pc ()))
-	return WP_VALUE_NOT_CHANGED;
-      if (within_current_scope)
-	/* If we end up stopping, the current frame will get selected
-	   in normal_stop.  So this call to select_frame won't affect
-	   the user.  */
-	select_frame (fr);
-    }
-
-  if (within_current_scope)
-    {
-      /* We use value_{,free_to_}mark because it could be a
-         *long* time before we return to the command level and
-         call free_all_values.  We can't call free_all_values because
-         we might be in the middle of evaluating a function call.  */
-
-      struct value *mark = value_mark ();
-      struct value *new_val = evaluate_expression (bs->breakpoint_at->exp);
-      if (!value_equal (b->val, new_val))
-	{
-	  release_value (new_val);
-	  value_free_to_mark (mark);
-	  bs->old_val = b->val;
-	  b->val = new_val;
-	  /* We will stop here */
-	  return WP_VALUE_CHANGED;
-	}
-      else
-	{
-	  /* Nothing changed, don't do anything.  */
-	  value_free_to_mark (mark);
-	  /* We won't stop here */
-	  return WP_VALUE_NOT_CHANGED;
-	}
-    }
-  else
-    {
-      /* This seems like the only logical thing to do because
-         if we temporarily ignored the watchpoint, then when
-         we reenter the block in which it is valid it contains
-         garbage (in the case of a function, it may have two
-         garbage values, one before and one after the prologue).
-         So we can't even detect the first assignment to it and
-         watch after that (since the garbage may or may not equal
-         the first value assigned).  */
-      /* We print all the stop information in print_it_typical(), but
-	 in this case, by the time we call print_it_typical() this bp
-	 will be deleted already. So we have no choice but print the
-	 information here. */
-      if (ui_out_is_mi_like_p (uiout))
-	ui_out_field_string (uiout, "reason", "watchpoint-scope");
-      ui_out_text (uiout, "\nWatchpoint ");
-      ui_out_field_int (uiout, "wpnum", bs->breakpoint_at->number);
-      ui_out_text (uiout, " deleted because the program has left the block in\n\
-which its expression is valid.\n");     
-
-      if (b->related_breakpoint)
-	b->related_breakpoint->disposition = disp_del_at_next_stop;
-      b->disposition = disp_del_at_next_stop;
-
-      return WP_DELETED;
-    }
-}
-
-/* Get a bpstat associated with having just stopped at address *PC
-   and frame address CORE_ADDRESS.  Update *PC to point at the
-   breakpoint (if we hit a breakpoint).  NOT_A_SW_BREAKPOINT is nonzero
-   if this is known to not be a real breakpoint (it could still be a
-   watchpoint, though).  */
-
-/* Determine whether we stopped at a breakpoint, etc, or whether we
-   don't understand this stop.  Result is a chain of bpstat's such that:
-
-   if we don't understand the stop, the result is a null pointer.
-
-   if we understand why we stopped, the result is not null.
-
-   Each element of the chain refers to a particular breakpoint or
-   watchpoint at which we have stopped.  (We may have stopped for
-   several reasons concurrently.)
-
-   Each element of the chain has valid next, breakpoint_at,
-   commands, FIXME??? fields.  */
-
-bpstat
-bpstat_stop_status (CORE_ADDR *pc, int not_a_sw_breakpoint)
-{
-  register struct breakpoint *b, *temp;
-  CORE_ADDR bp_addr;
-  /* True if we've hit a breakpoint (as opposed to a watchpoint).  */
-  int real_breakpoint = 0;
-  /* Root of the chain of bpstat's */
-  struct bpstats root_bs[1];
-  /* Pointer to the last thing in the chain currently.  */
-  bpstat bs = root_bs;
-  static char message1[] =
-  "Error evaluating expression for watchpoint %d\n";
-  char message[sizeof (message1) + 30 /* slop */ ];
-
-  /* Get the address where the breakpoint would have been.  The
-     "not_a_sw_breakpoint" argument is meant to distinguish between a
-     breakpoint trap event and a trace/singlestep trap event.  For a
-     trace/singlestep trap event, we would not want to subtract
-     DECR_PC_AFTER_BREAK from the PC. */
-
-  bp_addr = *pc - (not_a_sw_breakpoint ? 0 : DECR_PC_AFTER_BREAK);
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    if (b->enable_state == bp_disabled
-	|| b->enable_state == bp_shlib_disabled
-	|| b->enable_state == bp_call_disabled)
-      continue;
-
-    if (b->type != bp_watchpoint
-	&& b->type != bp_hardware_watchpoint
-	&& b->type != bp_read_watchpoint
-	&& b->type != bp_access_watchpoint
-	&& b->type != bp_hardware_breakpoint
-	&& b->type != bp_catch_fork
-	&& b->type != bp_catch_vfork
-	&& b->type != bp_catch_exec
-	&& b->type != bp_catch_catch
-	&& b->type != bp_catch_throw)	/* a non-watchpoint bp */
-      {
-	if (b->address != bp_addr) 	/* address doesn't match */
-	  continue;
-	if (overlay_debugging		/* unmapped overlay section */
-	    && section_is_overlay (b->section) 
-	    && !section_is_mapped (b->section))
-	  continue;
-      }
-
-    if (b->type == bp_hardware_breakpoint)
-      {
-	if (b->address != (*pc - DECR_PC_AFTER_HW_BREAK))
-	  continue;
-	if (overlay_debugging		/* unmapped overlay section */
-	    && section_is_overlay (b->section) 
-	    && !section_is_mapped (b->section))
-	  continue;
-      }
-
-    /* Is this a catchpoint of a load or unload?  If so, did we
-       get a load or unload of the specified library?  If not,
-       ignore it. */
-    if ((b->type == bp_catch_load)
-#if defined(SOLIB_HAVE_LOAD_EVENT)
-	&& (!SOLIB_HAVE_LOAD_EVENT (PIDGET (inferior_ptid))
-	    || ((b->dll_pathname != NULL)
-		&& (strcmp (b->dll_pathname, 
-			    SOLIB_LOADED_LIBRARY_PATHNAME (
-			      PIDGET (inferior_ptid)))
-		    != 0)))
-#endif
-      )
-      continue;
-
-    if ((b->type == bp_catch_unload)
-#if defined(SOLIB_HAVE_UNLOAD_EVENT)
-	&& (!SOLIB_HAVE_UNLOAD_EVENT (PIDGET (inferior_ptid))
-	    || ((b->dll_pathname != NULL)
-		&& (strcmp (b->dll_pathname, 
-			    SOLIB_UNLOADED_LIBRARY_PATHNAME (
-			      PIDGET (inferior_ptid)))
-		    != 0)))
-#endif
-      )
-      continue;
-
-    if ((b->type == bp_catch_fork)
-	&& !target_has_forked (PIDGET (inferior_ptid),
-	                       &b->forked_inferior_pid))
-      continue;
-
-    if ((b->type == bp_catch_vfork)
-	&& !target_has_vforked (PIDGET (inferior_ptid),
-	                        &b->forked_inferior_pid))
-      continue;
-
-    if ((b->type == bp_catch_exec)
-	&& !target_has_execd (PIDGET (inferior_ptid), &b->exec_pathname))
-      continue;
-
-    if (ep_is_exception_catchpoint (b) &&
-	!(current_exception_event = target_get_current_exception_event ()))
-      continue;
-
-    /* Come here if it's a watchpoint, or if the break address matches */
-
-    bs = bpstat_alloc (b, bs);	/* Alloc a bpstat to explain stop */
-
-    /* Watchpoints may change this, if not found to have triggered. */
-    bs->stop = 1;
-    bs->print = 1;
-
-    sprintf (message, message1, b->number);
-    if (b->type == bp_watchpoint ||
-	b->type == bp_hardware_watchpoint)
-      {
-	switch (catch_errors (watchpoint_check, bs, message, 
-			      RETURN_MASK_ALL))
-	  {
-	  case WP_DELETED:
-	    /* We've already printed what needs to be printed.  */
-	    /* Actually this is superfluous, because by the time we
-               call print_it_typical() the wp will be already deleted,
-               and the function will return immediately. */
-	    bs->print_it = print_it_done;
-	    /* Stop.  */
-	    break;
-	  case WP_VALUE_CHANGED:
-	    /* Stop.  */
-	    ++(b->hit_count);
-	    break;
-	  case WP_VALUE_NOT_CHANGED:
-	    /* Don't stop.  */
-	    bs->print_it = print_it_noop;
-	    bs->stop = 0;
-	    continue;
-	  default:
-	    /* Can't happen.  */
-	    /* FALLTHROUGH */
-	  case 0:
-	    /* Error from catch_errors.  */
-	    printf_filtered ("Watchpoint %d deleted.\n", b->number);
-	    if (b->related_breakpoint)
-	      b->related_breakpoint->disposition = disp_del_at_next_stop;
-	    b->disposition = disp_del_at_next_stop;
-	    /* We've already printed what needs to be printed.  */
-	    bs->print_it = print_it_done;
-
-	    /* Stop.  */
-	    break;
-	  }
-      }
-    else if (b->type == bp_read_watchpoint || 
-	     b->type == bp_access_watchpoint)
-      {
-	CORE_ADDR addr;
-	struct value *v;
-	int found = 0;
-
-	addr = target_stopped_data_address ();
-	if (addr == 0)
-	  continue;
-	for (v = b->val_chain; v; v = v->next)
-	  {
-	    if (VALUE_LVAL (v) == lval_memory
-		&& ! VALUE_LAZY (v))
-	      {
-		struct type *vtype = check_typedef (VALUE_TYPE (v));
-
-		if (v == b->val_chain
-		    || (TYPE_CODE (vtype) != TYPE_CODE_STRUCT
-			&& TYPE_CODE (vtype) != TYPE_CODE_ARRAY))
-		  {
-		    CORE_ADDR vaddr;
-
-		    vaddr = VALUE_ADDRESS (v) + VALUE_OFFSET (v);
-		    /* Exact match not required.  Within range is
-                       sufficient.  */
-		    if (addr >= vaddr &&
-			addr < vaddr + TYPE_LENGTH (VALUE_TYPE (v)))
-		      found = 1;
-		  }
-	      }
-	  }
-	if (found)
-	  switch (catch_errors (watchpoint_check, bs, message,
-				RETURN_MASK_ALL))
-	    {
-	    case WP_DELETED:
-	      /* We've already printed what needs to be printed.  */
-	      bs->print_it = print_it_done;
-	      /* Stop.  */
-	      break;
-	    case WP_VALUE_CHANGED:
-	      if (b->type == bp_read_watchpoint)
-		{
-		  /* Don't stop: read watchpoints shouldn't fire if
-		     the value has changed.  This is for targets which
-		     cannot set read-only watchpoints.  */
-		  bs->print_it = print_it_noop;
-		  bs->stop = 0;
-		  continue;
-		}
-	      ++(b->hit_count);
-	      break;
-	    case WP_VALUE_NOT_CHANGED:
-	      /* Stop.  */
-	      ++(b->hit_count);
-	      break;
-	    default:
-	      /* Can't happen.  */
-	    case 0:
-	      /* Error from catch_errors.  */
-	      printf_filtered ("Watchpoint %d deleted.\n", b->number);
-	      if (b->related_breakpoint)
-		b->related_breakpoint->disposition = disp_del_at_next_stop;
-	      b->disposition = disp_del_at_next_stop;
-	      /* We've already printed what needs to be printed.  */
-	      bs->print_it = print_it_done;
-	      break;
-	    }
-	else	/* found == 0 */
-	  {
-	    /* This is a case where some watchpoint(s) triggered,
-	       but not at the address of this watchpoint (FOUND
-	       was left zero).  So don't print anything for this
-	       watchpoint.  */
-	    bs->print_it = print_it_noop;
-	    bs->stop = 0;
-            continue;
-	  }
-      }
-    else
-      {
-	/* By definition, an encountered breakpoint is a triggered
-	   breakpoint. */
-	++(b->hit_count);
-
-	real_breakpoint = 1;
-      }
-
-    if (b->frame &&
-       b->frame != (get_current_frame ())->frame)
-      bs->stop = 0;
-    else
-      {
-	int value_is_zero = 0;
-
-	if (b->cond)
-	  {
-	    /* Need to select the frame, with all that implies
-	       so that the conditions will have the right context.  */
-	    select_frame (get_current_frame ());
-	    value_is_zero
-	      = catch_errors (breakpoint_cond_eval, (b->cond),
-			      "Error in testing breakpoint condition:\n",
-			      RETURN_MASK_ALL);
-	    /* FIXME-someday, should give breakpoint # */
-	    free_all_values ();
-	  }
-	if (b->cond && value_is_zero)
-	  {
-	    bs->stop = 0;
-	    /* Don't consider this a hit.  */
-	    --(b->hit_count);
-	  }
-	else if (b->ignore_count > 0)
-	  {
-	    b->ignore_count--;
-	    annotate_ignore_count_change ();
-	    bs->stop = 0;
-	  }
-	else
-	  {
-	    /* We will stop here */
-	    if (b->disposition == disp_disable)
-	      b->enable_state = bp_disabled;
-	    bs->commands = copy_command_lines (b->commands);
-	    if (b->silent)
-	      bs->print = 0;
-	    if (bs->commands &&
-		(STREQ ("silent", bs->commands->line) ||
-		 (xdb_commands && STREQ ("Q", bs->commands->line))))
-	      {
-		bs->commands = bs->commands->next;
-		bs->print = 0;
-	      }
-	  }
-      }
-    /* Print nothing for this entry if we dont stop or if we dont print.  */
-    if (bs->stop == 0 || bs->print == 0)
-      bs->print_it = print_it_noop;
-  }
-
-  bs->next = NULL;		/* Terminate the chain */
-  bs = root_bs->next;		/* Re-grab the head of the chain */
-
-  if (real_breakpoint && bs)
-    {
-      if (bs->breakpoint_at->type == bp_hardware_breakpoint)
-	{
-	  if (DECR_PC_AFTER_HW_BREAK != 0)
-	    {
-	      *pc = *pc - DECR_PC_AFTER_HW_BREAK;
-	      write_pc (*pc);
-	    }
-	}
-      else
-	{
-	  if (DECR_PC_AFTER_BREAK != 0 || must_shift_inst_regs)
-	    {
-	      *pc = bp_addr;
-#if defined (SHIFT_INST_REGS)
-	      SHIFT_INST_REGS ();
-#else /* No SHIFT_INST_REGS.  */
-	      write_pc (bp_addr);
-#endif /* No SHIFT_INST_REGS.  */
-	    }
-	}
-    }
-
-  /* The value of a hardware watchpoint hasn't changed, but the
-     intermediate memory locations we are watching may have.  */
-  if (bs && !bs->stop &&
-      (bs->breakpoint_at->type == bp_hardware_watchpoint ||
-       bs->breakpoint_at->type == bp_read_watchpoint ||
-       bs->breakpoint_at->type == bp_access_watchpoint))
-    {
-      remove_breakpoints ();
-      insert_breakpoints ();
-    }
-  return bs;
-}
-
-/* Tell what to do about this bpstat.  */
-struct bpstat_what
-bpstat_what (bpstat bs)
-{
-  /* Classify each bpstat as one of the following.  */
-  enum class
-    {
-      /* This bpstat element has no effect on the main_action.  */
-      no_effect = 0,
-
-      /* There was a watchpoint, stop but don't print.  */
-      wp_silent,
-
-      /* There was a watchpoint, stop and print.  */
-      wp_noisy,
-
-      /* There was a breakpoint but we're not stopping.  */
-      bp_nostop,
-
-      /* There was a breakpoint, stop but don't print.  */
-      bp_silent,
-
-      /* There was a breakpoint, stop and print.  */
-      bp_noisy,
-
-      /* We hit the longjmp breakpoint.  */
-      long_jump,
-
-      /* We hit the longjmp_resume breakpoint.  */
-      long_resume,
-
-      /* We hit the step_resume breakpoint.  */
-      step_resume,
-
-      /* We hit the through_sigtramp breakpoint.  */
-      through_sig,
-
-      /* We hit the shared library event breakpoint.  */
-      shlib_event,
-
-      /* We caught a shared library event.  */
-      catch_shlib_event,
-
-      /* This is just used to count how many enums there are.  */
-      class_last
-    };
-
-  /* Here is the table which drives this routine.  So that we can
-     format it pretty, we define some abbreviations for the
-     enum bpstat_what codes.  */
-#define kc BPSTAT_WHAT_KEEP_CHECKING
-#define ss BPSTAT_WHAT_STOP_SILENT
-#define sn BPSTAT_WHAT_STOP_NOISY
-#define sgl BPSTAT_WHAT_SINGLE
-#define slr BPSTAT_WHAT_SET_LONGJMP_RESUME
-#define clr BPSTAT_WHAT_CLEAR_LONGJMP_RESUME
-#define clrs BPSTAT_WHAT_CLEAR_LONGJMP_RESUME_SINGLE
-#define sr BPSTAT_WHAT_STEP_RESUME
-#define ts BPSTAT_WHAT_THROUGH_SIGTRAMP
-#define shl BPSTAT_WHAT_CHECK_SHLIBS
-#define shlr BPSTAT_WHAT_CHECK_SHLIBS_RESUME_FROM_HOOK
-
-/* "Can't happen."  Might want to print an error message.
-   abort() is not out of the question, but chances are GDB is just
-   a bit confused, not unusable.  */
-#define err BPSTAT_WHAT_STOP_NOISY
-
-  /* Given an old action and a class, come up with a new action.  */
-  /* One interesting property of this table is that wp_silent is the same
-     as bp_silent and wp_noisy is the same as bp_noisy.  That is because
-     after stopping, the check for whether to step over a breakpoint
-     (BPSTAT_WHAT_SINGLE type stuff) is handled in proceed() without
-     reference to how we stopped.  We retain separate wp_silent and
-     bp_silent codes in case we want to change that someday. 
-
-     Another possibly interesting property of this table is that
-     there's a partial ordering, priority-like, of the actions.  Once
-     you've decided that some action is appropriate, you'll never go
-     back and decide something of a lower priority is better.  The
-     ordering is:
-
-     kc   < clr sgl shl shlr slr sn sr ss ts
-     sgl  < clrs shl shlr slr sn sr ss ts
-     slr  < err shl shlr sn sr ss ts
-     clr  < clrs err shl shlr sn sr ss ts
-     clrs < err shl shlr sn sr ss ts
-     ss   < shl shlr sn sr ts
-     sn   < shl shlr sr ts
-     sr   < shl shlr ts
-     shl  < shlr
-     ts   < 
-     shlr <
-
-     What I think this means is that we don't need a damned table
-     here.  If you just put the rows and columns in the right order,
-     it'd look awfully regular.  We could simply walk the bpstat list
-     and choose the highest priority action we find, with a little
-     logic to handle the 'err' cases, and the CLEAR_LONGJMP_RESUME/
-     CLEAR_LONGJMP_RESUME_SINGLE distinction (which breakpoint.h says
-     is messy anyway).  */
-
-  /* step_resume entries: a step resume breakpoint overrides another
-     breakpoint of signal handling (see comment in wait_for_inferior
-     at first PC_IN_SIGTRAMP where we set the step_resume breakpoint).  */
-  /* We handle the through_sigtramp_breakpoint the same way; having both
-     one of those and a step_resume_breakpoint is probably very rare (?).  */
-
-  static const enum bpstat_what_main_action
-    table[(int) class_last][(int) BPSTAT_WHAT_LAST] =
-  {
-  /*                              old action */
-  /*       kc    ss    sn    sgl    slr   clr    clrs   sr    ts   shl   shlr
-   */
-/*no_effect */
-    {kc, ss, sn, sgl, slr, clr, clrs, sr, ts, shl, shlr},
-/*wp_silent */
-    {ss, ss, sn, ss, ss, ss, ss, sr, ts, shl, shlr},
-/*wp_noisy */
-    {sn, sn, sn, sn, sn, sn, sn, sr, ts, shl, shlr},
-/*bp_nostop */
-    {sgl, ss, sn, sgl, slr, clrs, clrs, sr, ts, shl, shlr},
-/*bp_silent */
-    {ss, ss, sn, ss, ss, ss, ss, sr, ts, shl, shlr},
-/*bp_noisy */
-    {sn, sn, sn, sn, sn, sn, sn, sr, ts, shl, shlr},
-/*long_jump */
-    {slr, ss, sn, slr, slr, err, err, sr, ts, shl, shlr},
-/*long_resume */
-    {clr, ss, sn, clrs, err, err, err, sr, ts, shl, shlr},
-/*step_resume */
-    {sr, sr, sr, sr, sr, sr, sr, sr, ts, shl, shlr},
-/*through_sig */
-    {ts, ts, ts, ts, ts, ts, ts, ts, ts, shl, shlr},
-/*shlib */
-    {shl, shl, shl, shl, shl, shl, shl, shl, ts, shl, shlr},
-/*catch_shlib */
-    {shlr, shlr, shlr, shlr, shlr, shlr, shlr, shlr, ts, shlr, shlr}
-  };
-
-#undef kc
-#undef ss
-#undef sn
-#undef sgl
-#undef slr
-#undef clr
-#undef clrs
-#undef err
-#undef sr
-#undef ts
-#undef shl
-#undef shlr
-  enum bpstat_what_main_action current_action = BPSTAT_WHAT_KEEP_CHECKING;
-  struct bpstat_what retval;
-
-  retval.call_dummy = 0;
-  for (; bs != NULL; bs = bs->next)
-    {
-      enum class bs_class = no_effect;
-      if (bs->breakpoint_at == NULL)
-	/* I suspect this can happen if it was a momentary breakpoint
-	   which has since been deleted.  */
-	continue;
-      switch (bs->breakpoint_at->type)
-	{
-	case bp_none:
-	  continue;
-
-	case bp_breakpoint:
-	case bp_hardware_breakpoint:
-	case bp_until:
-	case bp_finish:
-	  if (bs->stop)
-	    {
-	      if (bs->print)
-		bs_class = bp_noisy;
-	      else
-		bs_class = bp_silent;
-	    }
-	  else
-	    bs_class = bp_nostop;
-	  break;
-	case bp_watchpoint:
-	case bp_hardware_watchpoint:
-	case bp_read_watchpoint:
-	case bp_access_watchpoint:
-	  if (bs->stop)
-	    {
-	      if (bs->print)
-		bs_class = wp_noisy;
-	      else
-		bs_class = wp_silent;
-	    }
-	  else
-	    /* There was a watchpoint, but we're not stopping. 
-	       This requires no further action.  */
-	    bs_class = no_effect;
-	  break;
-	case bp_longjmp:
-	  bs_class = long_jump;
-	  break;
-	case bp_longjmp_resume:
-	  bs_class = long_resume;
-	  break;
-	case bp_step_resume:
-	  if (bs->stop)
-	    {
-	      bs_class = step_resume;
-	    }
-	  else
-	    /* It is for the wrong frame.  */
-	    bs_class = bp_nostop;
-	  break;
-	case bp_through_sigtramp:
-	  bs_class = through_sig;
-	  break;
-	case bp_watchpoint_scope:
-	  bs_class = bp_nostop;
-	  break;
-	case bp_shlib_event:
-	  bs_class = shlib_event;
-	  break;
-	case bp_thread_event:
-	case bp_overlay_event:
-	  bs_class = bp_nostop;
-	  break;
-	case bp_catch_load:
-	case bp_catch_unload:
-	  /* Only if this catchpoint triggered should we cause the
-	     step-out-of-dld behaviour.  Otherwise, we ignore this
-	     catchpoint.  */
-	  if (bs->stop)
-	    bs_class = catch_shlib_event;
-	  else
-	    bs_class = no_effect;
-	  break;
-	case bp_catch_fork:
-	case bp_catch_vfork:
-	case bp_catch_exec:
-	  if (bs->stop)
-	    {
-	      if (bs->print)
-		bs_class = bp_noisy;
-	      else
-		bs_class = bp_silent;
-	    }
-	  else
-	    /* There was a catchpoint, but we're not stopping.  
-	       This requires no further action.  */
-	    bs_class = no_effect;
-	  break;
-	case bp_catch_catch:
-	  if (!bs->stop || CURRENT_EXCEPTION_KIND != EX_EVENT_CATCH)
-	    bs_class = bp_nostop;
-	  else if (bs->stop)
-	    bs_class = bs->print ? bp_noisy : bp_silent;
-	  break;
-	case bp_catch_throw:
-	  if (!bs->stop || CURRENT_EXCEPTION_KIND != EX_EVENT_THROW)
-	    bs_class = bp_nostop;
-	  else if (bs->stop)
-	    bs_class = bs->print ? bp_noisy : bp_silent;
-	  break;
-	case bp_call_dummy:
-	  /* Make sure the action is stop (silent or noisy),
-	     so infrun.c pops the dummy frame.  */
-	  bs_class = bp_silent;
-	  retval.call_dummy = 1;
-	  break;
-	}
-      current_action = table[(int) bs_class][(int) current_action];
-    }
-  retval.main_action = current_action;
-  return retval;
-}
-
-/* Nonzero if we should step constantly (e.g. watchpoints on machines
-   without hardware support).  This isn't related to a specific bpstat,
-   just to things like whether watchpoints are set.  */
-
-int
-bpstat_should_step (void)
-{
-  struct breakpoint *b;
-  ALL_BREAKPOINTS (b)
-    if (b->enable_state == bp_enabled && b->type == bp_watchpoint)
-      return 1;
-  return 0;
-}
-
-/* Nonzero if there are enabled hardware watchpoints. */
-int
-bpstat_have_active_hw_watchpoints (void)
-{
-  struct breakpoint *b;
-  ALL_BREAKPOINTS (b)
-    if ((b->enable_state == bp_enabled) &&
-	(b->inserted) &&
-	((b->type == bp_hardware_watchpoint) ||
-	 (b->type == bp_read_watchpoint) ||
-	 (b->type == bp_access_watchpoint)))
-      return 1;
-  return 0;
-}
-
-
-/* Given a bpstat that records zero or more triggered eventpoints, this
-   function returns another bpstat which contains only the catchpoints
-   on that first list, if any. */
-void
-bpstat_get_triggered_catchpoints (bpstat ep_list, bpstat *cp_list)
-{
-  struct bpstats root_bs[1];
-  bpstat bs = root_bs;
-  struct breakpoint *ep;
-  char *dll_pathname;
-
-  bpstat_clear (cp_list);
-  root_bs->next = NULL;
-
-  for (; ep_list != NULL; ep_list = ep_list->next)
-    {
-      /* Is this eventpoint a catchpoint?  If not, ignore it. */
-      ep = ep_list->breakpoint_at;
-      if (ep == NULL)
-	break;
-      if ((ep->type != bp_catch_load) &&
-	  (ep->type != bp_catch_unload) &&
-	  (ep->type != bp_catch_catch) &&
-	  (ep->type != bp_catch_throw))		
-	/* pai: (temp) ADD fork/vfork here!!  */
-	continue;
-
-      /* Yes; add it to the list. */
-      bs = bpstat_alloc (ep, bs);
-      *bs = *ep_list;
-      bs->next = NULL;
-      bs = root_bs->next;
-
-#if defined(SOLIB_ADD)
-      /* Also, for each triggered catchpoint, tag it with the name of
-         the library that caused this trigger.  (We copy the name now,
-         because it's only guaranteed to be available NOW, when the
-         catchpoint triggers.  Clients who may wish to know the name
-         later must get it from the catchpoint itself.) */
-      if (ep->triggered_dll_pathname != NULL)
-	xfree (ep->triggered_dll_pathname);
-      if (ep->type == bp_catch_load)
-	dll_pathname = SOLIB_LOADED_LIBRARY_PATHNAME (
-	                 PIDGET (inferior_ptid));
-      else
-	dll_pathname = SOLIB_UNLOADED_LIBRARY_PATHNAME (
-	                 PIDGET (inferior_ptid));
-#else
-      dll_pathname = NULL;
-#endif
-      if (dll_pathname)
-	{
-	  ep->triggered_dll_pathname = (char *) 
-	    xmalloc (strlen (dll_pathname) + 1);
-	  strcpy (ep->triggered_dll_pathname, dll_pathname);
-	}
-      else
-	ep->triggered_dll_pathname = NULL;
-    }
-
-  *cp_list = bs;
-}
-
-/* Print B to gdb_stdout. */
-static void
-print_one_breakpoint (struct breakpoint *b,
-		      CORE_ADDR *last_addr)
-{
-  register struct command_line *l;
-  register struct symbol *sym;
-  struct ep_type_description
-    {
-      enum bptype type;
-      char *description;
-    };
-  static struct ep_type_description bptypes[] =
-  {
-    {bp_none, "?deleted?"},
-    {bp_breakpoint, "breakpoint"},
-    {bp_hardware_breakpoint, "hw breakpoint"},
-    {bp_until, "until"},
-    {bp_finish, "finish"},
-    {bp_watchpoint, "watchpoint"},
-    {bp_hardware_watchpoint, "hw watchpoint"},
-    {bp_read_watchpoint, "read watchpoint"},
-    {bp_access_watchpoint, "acc watchpoint"},
-    {bp_longjmp, "longjmp"},
-    {bp_longjmp_resume, "longjmp resume"},
-    {bp_step_resume, "step resume"},
-    {bp_through_sigtramp, "sigtramp"},
-    {bp_watchpoint_scope, "watchpoint scope"},
-    {bp_call_dummy, "call dummy"},
-    {bp_shlib_event, "shlib events"},
-    {bp_thread_event, "thread events"},
-    {bp_overlay_event, "overlay events"},
-    {bp_catch_load, "catch load"},
-    {bp_catch_unload, "catch unload"},
-    {bp_catch_fork, "catch fork"},
-    {bp_catch_vfork, "catch vfork"},
-    {bp_catch_exec, "catch exec"},
-    {bp_catch_catch, "catch catch"},
-    {bp_catch_throw, "catch throw"}
-  };
-  
-  static char *bpdisps[] =
-  {"del", "dstp", "dis", "keep"};
-  static char bpenables[] = "nynny";
-  char wrap_indent[80];
-  struct ui_stream *stb = ui_out_stream_new (uiout);
-  struct cleanup *old_chain = make_cleanup_ui_out_stream_delete (stb);
-
-  annotate_record ();
-  ui_out_tuple_begin (uiout, "bkpt");
-
-  /* 1 */
-  annotate_field (0);
-  ui_out_field_int (uiout, "number", b->number);
-
-  /* 2 */
-  annotate_field (1);
-  if (((int) b->type > (sizeof (bptypes) / sizeof (bptypes[0])))
-      || ((int) b->type != bptypes[(int) b->type].type))
-    internal_error (__FILE__, __LINE__,
-		    "bptypes table does not describe type #%d.",
-		    (int) b->type);
-  ui_out_field_string (uiout, "type", bptypes[(int) b->type].description);
-
-  /* 3 */
-  annotate_field (2);
-  ui_out_field_string (uiout, "disp", bpdisps[(int) b->disposition]);
-
-  /* 4 */
-  annotate_field (3);
-  ui_out_field_fmt (uiout, "enabled", "%c", bpenables[(int) b->enable_state]);
-  ui_out_spaces (uiout, 2);
-  
-  /* 5 and 6 */
-  strcpy (wrap_indent, "                           ");
-  if (addressprint)
-    {
-      if (TARGET_ADDR_BIT <= 32)
-	strcat (wrap_indent, "           ");
-      else
-	strcat (wrap_indent, "                   ");
-    }
-  switch (b->type)
-    {
-    case bp_none:
-      internal_error (__FILE__, __LINE__,
-		      "print_one_breakpoint: bp_none encountered\n");
-      break;
-
-    case bp_watchpoint:
-    case bp_hardware_watchpoint:
-    case bp_read_watchpoint:
-    case bp_access_watchpoint:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      print_expression (b->exp, stb->stream);
-      ui_out_field_stream (uiout, "what", stb);
-      break;
-      
-    case bp_catch_load:
-    case bp_catch_unload:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      if (b->dll_pathname == NULL)
-	{
-	  ui_out_field_string (uiout, "what", "<any library>");
-	  ui_out_spaces (uiout, 1);
-	}
-      else
-	{
-	  ui_out_text (uiout, "library \"");
-	  ui_out_field_string (uiout, "what", b->dll_pathname);
-	  ui_out_text (uiout, "\" ");
-	}
-      break;
-      
-    case bp_catch_fork:
-    case bp_catch_vfork:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      if (b->forked_inferior_pid != 0)
-	{
-	  ui_out_text (uiout, "process ");
-	  ui_out_field_int (uiout, "what", b->forked_inferior_pid);
-	  ui_out_spaces (uiout, 1);
-	}
-      
-    case bp_catch_exec:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      if (b->exec_pathname != NULL)
-	{
-	  ui_out_text (uiout, "program \"");
-	  ui_out_field_string (uiout, "what", b->exec_pathname);
-	  ui_out_text (uiout, "\" ");
-	}
-      break;
-
-    case bp_catch_catch:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      ui_out_field_string (uiout, "what", "exception catch");
-      ui_out_spaces (uiout, 1);
-      break;
-
-    case bp_catch_throw:
-      /* Field 4, the address, is omitted (which makes the columns
-	 not line up too nicely with the headers, but the effect
-	 is relatively readable).  */
-      if (addressprint)
-	ui_out_field_skip (uiout, "addr");
-      annotate_field (5);
-      ui_out_field_string (uiout, "what", "exception throw");
-      ui_out_spaces (uiout, 1);
-      break;
-      
-    case bp_breakpoint:
-    case bp_hardware_breakpoint:
-    case bp_until:
-    case bp_finish:
-    case bp_longjmp:
-    case bp_longjmp_resume:
-    case bp_step_resume:
-    case bp_through_sigtramp:
-    case bp_watchpoint_scope:
-    case bp_call_dummy:
-    case bp_shlib_event:
-    case bp_thread_event:
-    case bp_overlay_event:
-      if (addressprint)
-	{
-	  annotate_field (4);
-	  ui_out_field_core_addr (uiout, "addr", b->address);
-	}
-      annotate_field (5);
-      *last_addr = b->address;
-      if (b->source_file)
-	{
-	  sym = find_pc_sect_function (b->address, b->section);
-	  if (sym)
-	    {
-	      ui_out_text (uiout, "in ");
-	      ui_out_field_string (uiout, "func",
-				   SYMBOL_SOURCE_NAME (sym));
-	      ui_out_wrap_hint (uiout, wrap_indent);
-	      ui_out_text (uiout, " at ");
-	    }
-	  ui_out_field_string (uiout, "file", b->source_file);
-	  ui_out_text (uiout, ":");
-	  ui_out_field_int (uiout, "line", b->line_number);
-	}
-      else
-	{
-	  print_address_symbolic (b->address, stb->stream, demangle, "");
-	  ui_out_field_stream (uiout, "at", stb);
-	}
-      break;
-    }
-  
-  if (b->thread != -1)
-    {
-      /* FIXME: This seems to be redundant and lost here; see the
-	 "stop only in" line a little further down. */
-      ui_out_text (uiout, " thread ");
-      ui_out_field_int (uiout, "thread", b->thread);
-    }
-  
-  ui_out_text (uiout, "\n");
-  
-  if (b->frame)
-    {
-      annotate_field (6);
-      ui_out_text (uiout, "\tstop only in stack frame at ");
-      ui_out_field_core_addr (uiout, "frame", b->frame);
-      ui_out_text (uiout, "\n");
-    }
-  
-  if (b->cond)
-    {
-      annotate_field (7);
-      ui_out_text (uiout, "\tstop only if ");
-      print_expression (b->cond, stb->stream);
-      ui_out_field_stream (uiout, "cond", stb);
-      ui_out_text (uiout, "\n");
-    }
-  
-  if (b->thread != -1)
-    {
-      /* FIXME should make an annotation for this */
-      ui_out_text (uiout, "\tstop only in thread ");
-      ui_out_field_int (uiout, "thread", b->thread);
-      ui_out_text (uiout, "\n");
-    }
-  
-  if (show_breakpoint_hit_counts && b->hit_count)
-    {
-      /* FIXME should make an annotation for this */
-      if (ep_is_catchpoint (b))
-	ui_out_text (uiout, "\tcatchpoint");
-      else
-	ui_out_text (uiout, "\tbreakpoint");
-      ui_out_text (uiout, " already hit ");
-      ui_out_field_int (uiout, "times", b->hit_count);
-      if (b->hit_count == 1)
-	ui_out_text (uiout, " time\n");
-      else
-	ui_out_text (uiout, " times\n");
-    }
-  
-  /* Output the count also if it is zero, but only if this is
-     mi. FIXME: Should have a better test for this. */
-  if (ui_out_is_mi_like_p (uiout))
-    if (show_breakpoint_hit_counts && b->hit_count == 0)
-      ui_out_field_int (uiout, "times", b->hit_count);
-
-  if (b->ignore_count)
-    {
-      annotate_field (8);
-      ui_out_text (uiout, "\tignore next ");
-      ui_out_field_int (uiout, "ignore", b->ignore_count);
-      ui_out_text (uiout, " hits\n");
-    }
-  
-  if ((l = b->commands))
-    {
-      annotate_field (9);
-      ui_out_tuple_begin (uiout, "script");
-      print_command_lines (uiout, l, 4);
-      ui_out_tuple_end (uiout);
-    }
-  ui_out_tuple_end (uiout);
-  do_cleanups (old_chain);
-}
-
-struct captured_breakpoint_query_args
-  {
-    int bnum;
-  };
-
-static int
-do_captured_breakpoint_query (struct ui_out *uiout, void *data)
-{
-  struct captured_breakpoint_query_args *args = data;
-  register struct breakpoint *b;
-  CORE_ADDR dummy_addr = 0;
-  ALL_BREAKPOINTS (b)
-    {
-      if (args->bnum == b->number)
-	{
-	  print_one_breakpoint (b, &dummy_addr);
-	  return GDB_RC_OK;
-	}
-    }
-  return GDB_RC_NONE;
-}
-
-enum gdb_rc
-gdb_breakpoint_query (struct ui_out *uiout, int bnum)
-{
-  struct captured_breakpoint_query_args args;
-  args.bnum = bnum;
-  /* For the moment we don't trust print_one_breakpoint() to not throw
-     an error. */
-  return catch_exceptions (uiout, do_captured_breakpoint_query, &args,
-			   NULL, RETURN_MASK_ALL);
-}
-
-/* Return non-zero if B is user settable (breakpoints, watchpoints,
-   catchpoints, et.al.). */
-
-static int
-user_settable_breakpoint (const struct breakpoint *b)
-{
-  return (b->type == bp_breakpoint
-	  || b->type == bp_catch_load
-	  || b->type == bp_catch_unload
-	  || b->type == bp_catch_fork
-	  || b->type == bp_catch_vfork
-	  || b->type == bp_catch_exec
-	  || b->type == bp_catch_catch
-	  || b->type == bp_catch_throw
-	  || b->type == bp_hardware_breakpoint
-	  || b->type == bp_watchpoint
-	  || b->type == bp_read_watchpoint
-	  || b->type == bp_access_watchpoint
-	  || b->type == bp_hardware_watchpoint);
-}
-	
-/* Print information on user settable breakpoint (watchpoint, etc)
-   number BNUM.  If BNUM is -1 print all user settable breakpoints.
-   If ALLFLAG is non-zero, include non- user settable breakpoints. */
-
-static void
-breakpoint_1 (int bnum, int allflag)
-{
-  register struct breakpoint *b;
-  CORE_ADDR last_addr = (CORE_ADDR) -1;
-  int nr_printable_breakpoints;
-  
-  /* Compute the number of rows in the table. */
-  nr_printable_breakpoints = 0;
-  ALL_BREAKPOINTS (b)
-    if (bnum == -1
-	|| bnum == b->number)
-      {
-	if (allflag || user_settable_breakpoint (b))
-	  nr_printable_breakpoints++;
-      }
-
-  if (addressprint)
-    ui_out_table_begin (uiout, 6, nr_printable_breakpoints, "BreakpointTable");
-  else
-    ui_out_table_begin (uiout, 5, nr_printable_breakpoints, "BreakpointTable");
-
-  if (nr_printable_breakpoints > 0)
-    annotate_breakpoints_headers ();
-  if (nr_printable_breakpoints > 0)
-    annotate_field (0);
-  ui_out_table_header (uiout, 3, ui_left, "number", "Num");		/* 1 */
-  if (nr_printable_breakpoints > 0)
-    annotate_field (1);
-  ui_out_table_header (uiout, 14, ui_left, "type", "Type");		/* 2 */
-  if (nr_printable_breakpoints > 0)
-    annotate_field (2);
-  ui_out_table_header (uiout, 4, ui_left, "disp", "Disp");		/* 3 */
-  if (nr_printable_breakpoints > 0)
-    annotate_field (3);
-  ui_out_table_header (uiout, 3, ui_left, "enabled", "Enb");	/* 4 */
-  if (addressprint)
-	{
-	  if (nr_printable_breakpoints > 0)
-	    annotate_field (4);
-	  if (TARGET_ADDR_BIT <= 32)
-	    ui_out_table_header (uiout, 10, ui_left, "addr", "Address");/* 5 */
-	  else
-	    ui_out_table_header (uiout, 18, ui_left, "addr", "Address");/* 5 */
-	}
-  if (nr_printable_breakpoints > 0)
-    annotate_field (5);
-  ui_out_table_header (uiout, 40, ui_noalign, "what", "What");	/* 6 */
-  ui_out_table_body (uiout);
-  if (nr_printable_breakpoints > 0)
-    annotate_breakpoints_table ();
-
-  ALL_BREAKPOINTS (b)
-    if (bnum == -1
-	|| bnum == b->number)
-      {
-	/* We only print out user settable breakpoints unless the
-	   allflag is set. */
-	if (allflag || user_settable_breakpoint (b))
-	  print_one_breakpoint (b, &last_addr);
-      }
-  
-  ui_out_table_end (uiout);
-
-  if (nr_printable_breakpoints == 0)
-    {
-      if (bnum == -1)
-	ui_out_message (uiout, 0, "No breakpoints or watchpoints.\n");
-      else
-	ui_out_message (uiout, 0, "No breakpoint or watchpoint number %d.\n",
-			bnum);
-    }
-  else
-    {
-      /* Compare against (CORE_ADDR)-1 in case some compiler decides
-	 that a comparison of an unsigned with -1 is always false.  */
-      if (last_addr != (CORE_ADDR) -1)
-	set_next_address (last_addr);
-    }
-
-  /* FIXME? Should this be moved up so that it is only called when
-     there have been breakpoints? */
-  annotate_breakpoints_table_end ();
-}
-
-/* ARGSUSED */
-static void
-breakpoints_info (char *bnum_exp, int from_tty)
-{
-  int bnum = -1;
-
-  if (bnum_exp)
-    bnum = parse_and_eval_long (bnum_exp);
-
-  breakpoint_1 (bnum, 0);
-}
-
-/* ARGSUSED */
-static void
-maintenance_info_breakpoints (char *bnum_exp, int from_tty)
-{
-  int bnum = -1;
-
-  if (bnum_exp)
-    bnum = parse_and_eval_long (bnum_exp);
-
-  breakpoint_1 (bnum, 1);
-}
-
-/* Print a message describing any breakpoints set at PC.  */
-
-static void
-describe_other_breakpoints (CORE_ADDR pc, asection *section)
-{
-  register int others = 0;
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->address == pc)	/* address match / overlay match */
-      if (!overlay_debugging || b->section == section)
-	others++;
-  if (others > 0)
-    {
-      printf_filtered ("Note: breakpoint%s ", (others > 1) ? "s" : "");
-      ALL_BREAKPOINTS (b)
-	if (b->address == pc)	/* address match / overlay match */
-	  if (!overlay_debugging || b->section == section)
-	    {
-	      others--;
-	      printf_filtered ("%d%s%s ",
-			       b->number,
-			       ((b->enable_state == bp_disabled || 
-				 b->enable_state == bp_shlib_disabled || 
-				 b->enable_state == bp_call_disabled) 
-				? " (disabled)" 
-				: b->enable_state == bp_permanent 
-				? " (permanent)"
-				: ""),
-			       (others > 1) ? "," 
-			       : ((others == 1) ? " and" : ""));
-	    }
-      printf_filtered ("also set at pc ");
-      print_address_numeric (pc, 1, gdb_stdout);
-      printf_filtered (".\n");
-    }
-}
-
-/* Set the default place to put a breakpoint
-   for the `break' command with no arguments.  */
-
-void
-set_default_breakpoint (int valid, CORE_ADDR addr, struct symtab *symtab,
-			int line)
-{
-  default_breakpoint_valid = valid;
-  default_breakpoint_address = addr;
-  default_breakpoint_symtab = symtab;
-  default_breakpoint_line = line;
-}
-
-/* Return true iff it is meaningful to use the address member of
-   BPT.  For some breakpoint types, the address member is irrelevant
-   and it makes no sense to attempt to compare it to other addresses
-   (or use it for any other purpose either).
-
-   More specifically, each of the following breakpoint types will always
-   have a zero valued address and we don't want check_duplicates() to mark
-   breakpoints of any of these types to be a duplicate of an actual
-   breakpoint at address zero:
-
-      bp_watchpoint
-      bp_hardware_watchpoint
-      bp_read_watchpoint
-      bp_access_watchpoint
-      bp_catch_exec
-      bp_longjmp_resume
-      bp_catch_fork
-      bp_catch_vork */
-
-static int
-breakpoint_address_is_meaningful (struct breakpoint *bpt)
-{
-  enum bptype type = bpt->type;
-
-  return (type != bp_watchpoint
-	  && type != bp_hardware_watchpoint
-	  && type != bp_read_watchpoint
-	  && type != bp_access_watchpoint
-	  && type != bp_catch_exec
-	  && type != bp_longjmp_resume
-	  && type != bp_catch_fork
-	  && type != bp_catch_vfork);
-}
-
-/* Rescan breakpoints at the same address and section as BPT,
-   marking the first one as "first" and any others as "duplicates".
-   This is so that the bpt instruction is only inserted once.
-   If we have a permanent breakpoint at the same place as BPT, make
-   that one the official one, and the rest as duplicates.  */
-
-static void
-check_duplicates (struct breakpoint *bpt)
-{
-  register struct breakpoint *b;
-  register int count = 0;
-  struct breakpoint *perm_bp = 0;
-  CORE_ADDR address = bpt->address;
-  asection *section = bpt->section;
-
-  if (! breakpoint_address_is_meaningful (bpt))
-    return;
-
-  ALL_BREAKPOINTS (b)
-    if (b->enable_state != bp_disabled
-	&& b->enable_state != bp_shlib_disabled
-	&& b->enable_state != bp_call_disabled
-	&& b->address == address	/* address / overlay match */
-	&& (!overlay_debugging || b->section == section)
-	&& breakpoint_address_is_meaningful (b))
-    {
-      /* Have we found a permanent breakpoint?  */
-      if (b->enable_state == bp_permanent)
-	{
-	  perm_bp = b;
-	  break;
-	}
-	
-      count++;
-      b->duplicate = count > 1;
-    }
-
-  /* If we found a permanent breakpoint at this address, go over the
-     list again and declare all the other breakpoints there to be the
-     duplicates.  */
-  if (perm_bp)
-    {
-      perm_bp->duplicate = 0;
-
-      /* Permanent breakpoint should always be inserted.  */
-      if (! perm_bp->inserted)
-	internal_error (__FILE__, __LINE__,
-			"allegedly permanent breakpoint is not "
-			"actually inserted");
-
-      ALL_BREAKPOINTS (b)
-	if (b != perm_bp)
-	  {
-	    if (b->inserted)
-	      internal_error (__FILE__, __LINE__,
-			      "another breakpoint was inserted on top of "
-			      "a permanent breakpoint");
-
-	    if (b->enable_state != bp_disabled
-		&& b->enable_state != bp_shlib_disabled
-		&& b->enable_state != bp_call_disabled
-		&& b->address == address	/* address / overlay match */
-		&& (!overlay_debugging || b->section == section)
-		&& breakpoint_address_is_meaningful (b))
-	      b->duplicate = 1;
-	  }
-    }
-}
-
-/* set_raw_breakpoint() is a low level routine for allocating and
-   partially initializing a breakpoint of type BPTYPE.  The newly
-   created breakpoint's address, section, source file name, and line
-   number are provided by SAL.  The newly created and partially
-   initialized breakpoint is added to the breakpoint chain and
-   is also returned as the value of this function.
-
-   It is expected that the caller will complete the initialization of
-   the newly created breakpoint struct as well as output any status
-   information regarding the creation of a new breakpoint.  In
-   particular, set_raw_breakpoint() does NOT set the breakpoint
-   number!  Care should be taken to not allow an error() to occur
-   prior to completing the initialization of the breakpoint.  If this
-   should happen, a bogus breakpoint will be left on the chain.  */
-
-struct breakpoint *
-set_raw_breakpoint (struct symtab_and_line sal, enum bptype bptype)
-{
-  register struct breakpoint *b, *b1;
-
-  b = (struct breakpoint *) xmalloc (sizeof (struct breakpoint));
-  memset (b, 0, sizeof (*b));
-  b->address = sal.pc;
-  if (sal.symtab == NULL)
-    b->source_file = NULL;
-  else
-    b->source_file = savestring (sal.symtab->filename,
-				 strlen (sal.symtab->filename));
-  b->section = sal.section;
-  b->type = bptype;
-  b->language = current_language->la_language;
-  b->input_radix = input_radix;
-  b->thread = -1;
-  b->line_number = sal.line;
-  b->enable_state = bp_enabled;
-  b->next = 0;
-  b->silent = 0;
-  b->ignore_count = 0;
-  b->commands = NULL;
-  b->frame = 0;
-  b->dll_pathname = NULL;
-  b->triggered_dll_pathname = NULL;
-  b->forked_inferior_pid = 0;
-  b->exec_pathname = NULL;
-
-  /* Add this breakpoint to the end of the chain
-     so that a list of breakpoints will come out in order
-     of increasing numbers.  */
-
-  b1 = breakpoint_chain;
-  if (b1 == 0)
-    breakpoint_chain = b;
-  else
-    {
-      while (b1->next)
-	b1 = b1->next;
-      b1->next = b;
-    }
-
-  check_duplicates (b);
-  breakpoints_changed ();
-
-  return b;
-}
-
-
-/* Note that the breakpoint object B describes a permanent breakpoint
-   instruction, hard-wired into the inferior's code.  */
-void
-make_breakpoint_permanent (struct breakpoint *b)
-{
-  b->enable_state = bp_permanent;
-
-  /* By definition, permanent breakpoints are already present in the code.  */
-  b->inserted = 1;
-}
-
-static struct breakpoint *
-create_internal_breakpoint (CORE_ADDR address, enum bptype type)
-{
-  static int internal_breakpoint_number = -1;
-  struct symtab_and_line sal;
-  struct breakpoint *b;
-
-  INIT_SAL (&sal);		/* initialize to zeroes */
-
-  sal.pc = address;
-  sal.section = find_pc_overlay (sal.pc);
-
-  b = set_raw_breakpoint (sal, type);
-  b->number = internal_breakpoint_number--;
-  b->disposition = disp_donttouch;
-
-  return b;
-}
-
-
-static void
-create_longjmp_breakpoint (char *func_name)
-{
-  struct breakpoint *b;
-  struct minimal_symbol *m;
-
-  if (func_name == NULL)
-    b = create_internal_breakpoint (0, bp_longjmp_resume);
-  else
-    {
-      if ((m = lookup_minimal_symbol_text (func_name, NULL, NULL)) == NULL)
-	return;
- 
-      b = create_internal_breakpoint (SYMBOL_VALUE_ADDRESS (m), bp_longjmp);
-    }
-
-  b->enable_state = bp_disabled;
-  b->silent = 1;
-  if (func_name)
-    b->addr_string = xstrdup (func_name);
-}
-
-/* Call this routine when stepping and nexting to enable a breakpoint
-   if we do a longjmp().  When we hit that breakpoint, call
-   set_longjmp_resume_breakpoint() to figure out where we are going. */
-
-void
-enable_longjmp_breakpoint (void)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->type == bp_longjmp)
-    {
-      b->enable_state = bp_enabled;
-      check_duplicates (b);
-    }
-}
-
-void
-disable_longjmp_breakpoint (void)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->type == bp_longjmp
-	|| b->type == bp_longjmp_resume)
-    {
-      b->enable_state = bp_disabled;
-      check_duplicates (b);
-    }
-}
-
-static void
-create_overlay_event_breakpoint (char *func_name)
-{
-  struct breakpoint *b;
-  struct minimal_symbol *m;
-
-  if ((m = lookup_minimal_symbol_text (func_name, NULL, NULL)) == NULL)
-    return;
- 
-  b = create_internal_breakpoint (SYMBOL_VALUE_ADDRESS (m), 
-				  bp_overlay_event);
-  b->addr_string = xstrdup (func_name);
-
-  if (overlay_debugging == ovly_auto)
-    {
-      b->enable_state = bp_enabled;
-      overlay_events_enabled = 1;
-    }
-  else 
-    {
-      b->enable_state = bp_disabled;
-      overlay_events_enabled = 0;
-    }
-}
-
-void
-enable_overlay_breakpoints (void)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->type == bp_overlay_event)
-    {
-      b->enable_state = bp_enabled;
-      check_duplicates (b);
-      overlay_events_enabled = 1;
-    }
-}
-
-void
-disable_overlay_breakpoints (void)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->type == bp_overlay_event)
-    {
-      b->enable_state = bp_disabled;
-      check_duplicates (b);
-      overlay_events_enabled = 0;
-    }
-}
-
-struct breakpoint *
-create_thread_event_breakpoint (CORE_ADDR address)
-{
-  struct breakpoint *b;
-  char addr_string[80];		/* Surely an addr can't be longer than that. */
-
-  b = create_internal_breakpoint (address, bp_thread_event);
-  
-  b->enable_state = bp_enabled;
-  /* addr_string has to be used or breakpoint_re_set will delete me.  */
-  sprintf (addr_string, "*0x%s", paddr (b->address));
-  b->addr_string = xstrdup (addr_string);
-
-  return b;
-}
-
-void
-remove_thread_event_breakpoints (void)
-{
-  struct breakpoint *b, *temp;
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-    if (b->type == bp_thread_event)
-      delete_breakpoint (b);
-}
-
-#ifdef SOLIB_ADD
-void
-remove_solib_event_breakpoints (void)
-{
-  register struct breakpoint *b, *temp;
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-    if (b->type == bp_shlib_event)
-      delete_breakpoint (b);
-}
-
-struct breakpoint *
-create_solib_event_breakpoint (CORE_ADDR address)
-{
-  struct breakpoint *b;
-
-  b = create_internal_breakpoint (address, bp_shlib_event);
-  return b;
-}
-
-/* Disable any breakpoints that are on code in shared libraries.  Only
-   apply to enabled breakpoints, disabled ones can just stay disabled.  */
-
-void
-disable_breakpoints_in_shlibs (int silent)
-{
-  struct breakpoint *b;
-  int disabled_shlib_breaks = 0;
-
-  /* See also: insert_breakpoints, under DISABLE_UNSETTABLE_BREAK. */
-  ALL_BREAKPOINTS (b)
-  {
-#if defined (PC_SOLIB)
-    if (((b->type == bp_breakpoint) ||
-	 (b->type == bp_hardware_breakpoint)) &&
-	b->enable_state == bp_enabled &&
-	!b->duplicate &&
-	PC_SOLIB (b->address))
-      {
-	b->enable_state = bp_shlib_disabled;
-	if (!silent)
-	  {
-	    if (!disabled_shlib_breaks)
-	      {
-		target_terminal_ours_for_output ();
-		warning ("Temporarily disabling shared library breakpoints:");
-	      }
-	    disabled_shlib_breaks = 1;
-	    warning ("breakpoint #%d ", b->number);
-	  }
-      }
-#endif
-  }
-}
-
-/* Try to reenable any breakpoints in shared libraries.  */
-void
-re_enable_breakpoints_in_shlibs (void)
-{
-  struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->enable_state == bp_shlib_disabled)
-    {
-      char buf[1];
-
-      /* Do not reenable the breakpoint if the shared library
-         is still not mapped in.  */
-      if (target_read_memory (b->address, buf, 1) == 0)
-	b->enable_state = bp_enabled;
-    }
-}
-
-#endif
-
-static void
-solib_load_unload_1 (char *hookname, int tempflag, char *dll_pathname,
-		     char *cond_string, enum bptype bp_kind)
-{
-  struct breakpoint *b;
-  struct symtabs_and_lines sals;
-  struct cleanup *old_chain;
-  struct cleanup *canonical_strings_chain = NULL;
-  char *addr_start = hookname;
-  char *addr_end = NULL;
-  char **canonical = (char **) NULL;
-  int thread = -1;		/* All threads. */
-
-  /* Set a breakpoint on the specified hook. */
-  sals = decode_line_1 (&hookname, 1, (struct symtab *) NULL, 0, &canonical);
-  addr_end = hookname;
-
-  if (sals.nelts == 0)
-    {
-      warning ("Unable to set a breakpoint on dynamic linker callback.");
-      warning ("Suggest linking with /opt/langtools/lib/end.o.");
-      warning ("GDB will be unable to track shl_load/shl_unload calls");
-      return;
-    }
-  if (sals.nelts != 1)
-    {
-      warning ("Unable to set unique breakpoint on dynamic linker callback.");
-      warning ("GDB will be unable to track shl_load/shl_unload calls");
-      return;
-    }
-
-  /* Make sure that all storage allocated in decode_line_1 gets freed
-     in case the following errors out.  */
-  old_chain = make_cleanup (xfree, sals.sals);
-  if (canonical != (char **) NULL)
-    {
-      make_cleanup (xfree, canonical);
-      canonical_strings_chain = make_cleanup (null_cleanup, 0);
-      if (canonical[0] != NULL)
-	make_cleanup (xfree, canonical[0]);
-    }
-
-  resolve_sal_pc (&sals.sals[0]);
-
-  /* Remove the canonical strings from the cleanup, they are needed below.  */
-  if (canonical != (char **) NULL)
-    discard_cleanups (canonical_strings_chain);
-
-  b = set_raw_breakpoint (sals.sals[0], bp_kind);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->cond = NULL;
-  b->cond_string = (cond_string == NULL) ? 
-    NULL : savestring (cond_string, strlen (cond_string));
-  b->thread = thread;
-
-  if (canonical != (char **) NULL && canonical[0] != NULL)
-    b->addr_string = canonical[0];
-  else if (addr_start)
-    b->addr_string = savestring (addr_start, addr_end - addr_start);
-
-  b->enable_state = bp_enabled;
-  b->disposition = tempflag ? disp_del : disp_donttouch;
-
-  if (dll_pathname == NULL)
-    b->dll_pathname = NULL;
-  else
-    {
-      b->dll_pathname = (char *) xmalloc (strlen (dll_pathname) + 1);
-      strcpy (b->dll_pathname, dll_pathname);
-    }
-
-  mention (b);
-  do_cleanups (old_chain);
-}
-
-void
-create_solib_load_event_breakpoint (char *hookname, int tempflag,
-				    char *dll_pathname, char *cond_string)
-{
-  solib_load_unload_1 (hookname, tempflag, dll_pathname, 
-		       cond_string, bp_catch_load);
-}
-
-void
-create_solib_unload_event_breakpoint (char *hookname, int tempflag,
-				      char *dll_pathname, char *cond_string)
-{
-  solib_load_unload_1 (hookname,tempflag, dll_pathname, 
-		       cond_string, bp_catch_unload);
-}
-
-static void
-create_fork_vfork_event_catchpoint (int tempflag, char *cond_string,
-				    enum bptype bp_kind)
-{
-  struct symtab_and_line sal;
-  struct breakpoint *b;
-  int thread = -1;		/* All threads. */
-
-  INIT_SAL (&sal);
-  sal.pc = 0;
-  sal.symtab = NULL;
-  sal.line = 0;
-
-  b = set_raw_breakpoint (sal, bp_kind);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->cond = NULL;
-  b->cond_string = (cond_string == NULL) ? 
-    NULL : savestring (cond_string, strlen (cond_string));
-  b->thread = thread;
-  b->addr_string = NULL;
-  b->enable_state = bp_enabled;
-  b->disposition = tempflag ? disp_del : disp_donttouch;
-  b->forked_inferior_pid = 0;
-
-  mention (b);
-}
-
-void
-create_fork_event_catchpoint (int tempflag, char *cond_string)
-{
-  create_fork_vfork_event_catchpoint (tempflag, cond_string, bp_catch_fork);
-}
-
-void
-create_vfork_event_catchpoint (int tempflag, char *cond_string)
-{
-  create_fork_vfork_event_catchpoint (tempflag, cond_string, bp_catch_vfork);
-}
-
-void
-create_exec_event_catchpoint (int tempflag, char *cond_string)
-{
-  struct symtab_and_line sal;
-  struct breakpoint *b;
-  int thread = -1;		/* All threads. */
-
-  INIT_SAL (&sal);
-  sal.pc = 0;
-  sal.symtab = NULL;
-  sal.line = 0;
-
-  b = set_raw_breakpoint (sal, bp_catch_exec);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->cond = NULL;
-  b->cond_string = (cond_string == NULL) ?
-    NULL : savestring (cond_string, strlen (cond_string));
-  b->thread = thread;
-  b->addr_string = NULL;
-  b->enable_state = bp_enabled;
-  b->disposition = tempflag ? disp_del : disp_donttouch;
-
-  mention (b);
-}
-
-static int
-hw_breakpoint_used_count (void)
-{
-  register struct breakpoint *b;
-  int i = 0;
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->type == bp_hardware_breakpoint && b->enable_state == bp_enabled)
-      i++;
-  }
-
-  return i;
-}
-
-static int
-hw_watchpoint_used_count (enum bptype type, int *other_type_used)
-{
-  register struct breakpoint *b;
-  int i = 0;
-
-  *other_type_used = 0;
-  ALL_BREAKPOINTS (b)
-  {
-    if (b->enable_state == bp_enabled)
-      {
-	if (b->type == type)
-	  i++;
-	else if ((b->type == bp_hardware_watchpoint ||
-		  b->type == bp_read_watchpoint ||
-		  b->type == bp_access_watchpoint)
-		 && b->enable_state == bp_enabled)
-	  *other_type_used = 1;
-      }
-  }
-  return i;
-}
-
-/* Call this after hitting the longjmp() breakpoint.  Use this to set
-   a new breakpoint at the target of the jmp_buf.
-
-   FIXME - This ought to be done by setting a temporary breakpoint
-   that gets deleted automatically... */
-
-void
-set_longjmp_resume_breakpoint (CORE_ADDR pc, struct frame_info *frame)
-{
-  register struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    if (b->type == bp_longjmp_resume)
-    {
-      b->address = pc;
-      b->enable_state = bp_enabled;
-      if (frame != NULL)
-	b->frame = frame->frame;
-      else
-	b->frame = 0;
-      check_duplicates (b);
-      return;
-    }
-}
-
-void
-disable_watchpoints_before_interactive_call_start (void)
-{
-  struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (((b->type == bp_watchpoint)
-	 || (b->type == bp_hardware_watchpoint)
-	 || (b->type == bp_read_watchpoint)
-	 || (b->type == bp_access_watchpoint)
-	 || ep_is_exception_catchpoint (b))
-	&& (b->enable_state == bp_enabled))
-      {
-	b->enable_state = bp_call_disabled;
-	check_duplicates (b);
-      }
-  }
-}
-
-void
-enable_watchpoints_after_interactive_call_stop (void)
-{
-  struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-  {
-    if (((b->type == bp_watchpoint)
-	 || (b->type == bp_hardware_watchpoint)
-	 || (b->type == bp_read_watchpoint)
-	 || (b->type == bp_access_watchpoint)
-	 || ep_is_exception_catchpoint (b))
-	&& (b->enable_state == bp_call_disabled))
-      {
-	b->enable_state = bp_enabled;
-	check_duplicates (b);
-      }
-  }
-}
-
-
-/* Set a breakpoint that will evaporate an end of command
-   at address specified by SAL.
-   Restrict it to frame FRAME if FRAME is nonzero.  */
-
-struct breakpoint *
-set_momentary_breakpoint (struct symtab_and_line sal, struct frame_info *frame,
-			  enum bptype type)
-{
-  register struct breakpoint *b;
-  b = set_raw_breakpoint (sal, type);
-  b->enable_state = bp_enabled;
-  b->disposition = disp_donttouch;
-  b->frame = (frame ? frame->frame : 0);
-
-  /* If we're debugging a multi-threaded program, then we
-     want momentary breakpoints to be active in only a 
-     single thread of control.  */
-  if (in_thread_list (inferior_ptid))
-    b->thread = pid_to_thread_id (inferior_ptid);
-
-  return b;
-}
-
-
-/* Tell the user we have just set a breakpoint B.  */
-
-static void
-mention (struct breakpoint *b)
-{
-  int say_where = 0;
-  struct cleanup *old_chain;
-  struct ui_stream *stb;
-
-  stb = ui_out_stream_new (uiout);
-  old_chain = make_cleanup_ui_out_stream_delete (stb);
-
-  /* FIXME: This is misplaced; mention() is called by things (like hitting a
-     watchpoint) other than breakpoint creation.  It should be possible to
-     clean this up and at the same time replace the random calls to
-     breakpoint_changed with this hook, as has already been done for
-     delete_breakpoint_hook and so on.  */
-  if (create_breakpoint_hook)
-    create_breakpoint_hook (b);
-  breakpoint_create_event (b->number);
-
-  switch (b->type)
-    {
-    case bp_none:
-      printf_filtered ("(apparently deleted?) Eventpoint %d: ", b->number);
-      break;
-    case bp_watchpoint:
-      ui_out_text (uiout, "Watchpoint ");
-      ui_out_tuple_begin (uiout, "wpt");
-      ui_out_field_int (uiout, "number", b->number);
-      ui_out_text (uiout, ": ");
-      print_expression (b->exp, stb->stream);
-      ui_out_field_stream (uiout, "exp", stb);
-      ui_out_tuple_end (uiout);
-      break;
-    case bp_hardware_watchpoint:
-      ui_out_text (uiout, "Hardware watchpoint ");
-      ui_out_tuple_begin (uiout, "wpt");
-      ui_out_field_int (uiout, "number", b->number);
-      ui_out_text (uiout, ": ");
-      print_expression (b->exp, stb->stream);
-      ui_out_field_stream (uiout, "exp", stb);
-      ui_out_tuple_end (uiout);
-      break;
-    case bp_read_watchpoint:
-      ui_out_text (uiout, "Hardware read watchpoint ");
-      ui_out_tuple_begin (uiout, "hw-rwpt");
-      ui_out_field_int (uiout, "number", b->number);
-      ui_out_text (uiout, ": ");
-      print_expression (b->exp, stb->stream);
-      ui_out_field_stream (uiout, "exp", stb);
-      ui_out_tuple_end (uiout);
-      break;
-    case bp_access_watchpoint:
-      ui_out_text (uiout, "Hardware access (read/write) watchpoint ");
-      ui_out_tuple_begin (uiout, "hw-awpt");
-      ui_out_field_int (uiout, "number", b->number);
-      ui_out_text (uiout, ": ");
-      print_expression (b->exp, stb->stream);
-      ui_out_field_stream (uiout, "exp", stb);
-      ui_out_tuple_end (uiout);
-      break;
-    case bp_breakpoint:
-      if (ui_out_is_mi_like_p (uiout))
-	{
-	  say_where = 0;
-	  break;
-	}
-      printf_filtered ("Breakpoint %d", b->number);
-      say_where = 1;
-      break;
-    case bp_hardware_breakpoint:
-      if (ui_out_is_mi_like_p (uiout))
-	{
-	  say_where = 0;
-	  break;
-	}
-      printf_filtered ("Hardware assisted breakpoint %d", b->number);
-      say_where = 1;
-      break;
-    case bp_catch_load:
-    case bp_catch_unload:
-      printf_filtered ("Catchpoint %d (%s %s)",
-		       b->number,
-		       (b->type == bp_catch_load) ? "load" : "unload",
-		       (b->dll_pathname != NULL) ? 
-		       b->dll_pathname : "<any library>");
-      break;
-    case bp_catch_fork:
-    case bp_catch_vfork:
-      printf_filtered ("Catchpoint %d (%s)",
-		       b->number,
-		       (b->type == bp_catch_fork) ? "fork" : "vfork");
-      break;
-    case bp_catch_exec:
-      printf_filtered ("Catchpoint %d (exec)",
-		       b->number);
-      break;
-    case bp_catch_catch:
-    case bp_catch_throw:
-      printf_filtered ("Catchpoint %d (%s)",
-		       b->number,
-		       (b->type == bp_catch_catch) ? "catch" : "throw");
-      break;
-
-    case bp_until:
-    case bp_finish:
-    case bp_longjmp:
-    case bp_longjmp_resume:
-    case bp_step_resume:
-    case bp_through_sigtramp:
-    case bp_call_dummy:
-    case bp_watchpoint_scope:
-    case bp_shlib_event:
-    case bp_thread_event:
-    case bp_overlay_event:
-      break;
-    }
-  if (say_where)
-    {
-      if (addressprint || b->source_file == NULL)
-	{
-	  printf_filtered (" at ");
-	  print_address_numeric (b->address, 1, gdb_stdout);
-	}
-      if (b->source_file)
-	printf_filtered (": file %s, line %d.",
-			 b->source_file, b->line_number);
-    }
-  do_cleanups (old_chain);
-  if (ui_out_is_mi_like_p (uiout))
-    return;
-  printf_filtered ("\n");
-}
-
-
-/* Add SALS.nelts breakpoints to the breakpoint table.  For each
-   SALS.sal[i] breakpoint, include the corresponding ADDR_STRING[i],
-   COND[i] and COND_STRING[i] values.
-
-   NOTE: If the function succeeds, the caller is expected to cleanup
-   the arrays ADDR_STRING, COND_STRING, COND and SALS (but not the
-   array contents).  If the function fails (error() is called), the
-   caller is expected to cleanups both the ADDR_STRING, COND_STRING,
-   COND and SALS arrays and each of those arrays contents. */
-
-static void
-create_breakpoints (struct symtabs_and_lines sals, char **addr_string,
-		    struct expression **cond, char **cond_string,
-		    enum bptype type, enum bpdisp disposition,
-		    int thread, int ignore_count, int from_tty)
-{
-  if (type == bp_hardware_breakpoint)
-    {
-      int i = hw_breakpoint_used_count ();
-      int target_resources_ok = 
-	TARGET_CAN_USE_HARDWARE_WATCHPOINT (bp_hardware_breakpoint, 
-					    i + sals.nelts, 0);
-      if (target_resources_ok == 0)
-	error ("No hardware breakpoint support in the target.");
-      else if (target_resources_ok < 0)
-	error ("Hardware breakpoints used exceeds limit.");
-    }
-
-  /* Now set all the breakpoints.  */
-  {
-    int i;
-    for (i = 0; i < sals.nelts; i++)
-      {
-	struct breakpoint *b;
-	struct symtab_and_line sal = sals.sals[i];
-
-	if (from_tty)
-	  describe_other_breakpoints (sal.pc, sal.section);
-	
-	b = set_raw_breakpoint (sal, type);
-	set_breakpoint_count (breakpoint_count + 1);
-	b->number = breakpoint_count;
-	b->cond = cond[i];
-	b->thread = thread;
-	b->addr_string = addr_string[i];
-	b->cond_string = cond_string[i];
-	b->ignore_count = ignore_count;
-	b->enable_state = bp_enabled;
-	b->disposition = disposition;
-	mention (b);
-      }
-  }    
-}
-
-/* Parse ARG which is assumed to be a SAL specification possibly
-   followed by conditionals.  On return, SALS contains an array of SAL
-   addresses found. ADDR_STRING contains a vector of (canonical)
-   address strings. ARG points to the end of the SAL. */
-
-void
-parse_breakpoint_sals (char **address,
-		       struct symtabs_and_lines *sals,
-		       char ***addr_string)
-{
-  char *addr_start = *address;
-  *addr_string = NULL;
-  /* If no arg given, or if first arg is 'if ', use the default
-     breakpoint. */
-  if ((*address) == NULL
-      || (strncmp ((*address), "if", 2) == 0 && isspace ((*address)[2])))
-    {
-      if (default_breakpoint_valid)
-	{
-	  struct symtab_and_line sal;
-	  INIT_SAL (&sal);		/* initialize to zeroes */
-	  sals->sals = (struct symtab_and_line *)
-	    xmalloc (sizeof (struct symtab_and_line));
-	  sal.pc = default_breakpoint_address;
-	  sal.line = default_breakpoint_line;
-	  sal.symtab = default_breakpoint_symtab;
-	  sal.section = find_pc_overlay (sal.pc);
-	  sals->sals[0] = sal;
-	  sals->nelts = 1;
-	}
-      else
-	error ("No default breakpoint address now.");
-    }
-  else
-    {
-      /* Force almost all breakpoints to be in terms of the
-         current_source_symtab (which is decode_line_1's default).  This
-         should produce the results we want almost all of the time while
-         leaving default_breakpoint_* alone.  */
-      if (default_breakpoint_valid
-	  && (!current_source_symtab
-	      || (strchr ("+-", (*address)[0]) != NULL)))
-	*sals = decode_line_1 (address, 1, default_breakpoint_symtab,
-			       default_breakpoint_line, addr_string);
-      else
-	*sals = decode_line_1 (address, 1, (struct symtab *) NULL, 0, addr_string);
-    }
-  /* For any SAL that didn't have a canonical string, fill one in. */
-  if (sals->nelts > 0 && *addr_string == NULL)
-    *addr_string = xcalloc (sals->nelts, sizeof (char **));
-  if (addr_start != (*address))
-    {
-      int i;
-      for (i = 0; i < sals->nelts; i++)
-	{
-	  /* Add the string if not present. */
-	  if ((*addr_string)[i] == NULL)
-	    (*addr_string)[i] = savestring (addr_start, (*address) - addr_start);
-	}
-    }
-}
-
-
-/* Convert each SAL into a real PC.  Verify that the PC can be
-   inserted as a breakpoint.  If it can't throw an error. */
-
-void
-breakpoint_sals_to_pc (struct symtabs_and_lines *sals,
-		       char *address)
-{    
-  int i;
-  for (i = 0; i < sals->nelts; i++)
-    {
-      resolve_sal_pc (&sals->sals[i]);
-
-      /* It's possible for the PC to be nonzero, but still an illegal
-         value on some targets.
-
-         For example, on HP-UX if you start gdb, and before running the
-         inferior you try to set a breakpoint on a shared library function
-         "foo" where the inferior doesn't call "foo" directly but does
-         pass its address to another function call, then we do find a
-         minimal symbol for the "foo", but it's address is invalid.
-         (Appears to be an index into a table that the loader sets up
-         when the inferior is run.)
-
-         Give the target a chance to bless sals.sals[i].pc before we
-         try to make a breakpoint for it. */
-      if (PC_REQUIRES_RUN_BEFORE_USE (sals->sals[i].pc))
-	{
-	  if (address == NULL)
-	    error ("Cannot break without a running program.");
-	  else
-	    error ("Cannot break on %s without a running program.", 
-		   address);
-	}
-    }
-}
-
-/* Set a breakpoint according to ARG (function, linenum or *address)
-   flag: first bit  : 0 non-temporary, 1 temporary.
-   second bit : 0 normal breakpoint, 1 hardware breakpoint. */
-
-static void
-break_command_1 (char *arg, int flag, int from_tty)
-{
-  int tempflag, hardwareflag;
-  struct symtabs_and_lines sals;
-  register struct expression **cond = 0;
-  /* Pointers in arg to the start, and one past the end, of the
-     condition.  */
-  char **cond_string = (char **) NULL;
-  char *addr_start = arg;
-  char **addr_string;
-  struct cleanup *old_chain;
-  struct cleanup *breakpoint_chain = NULL;
-  int i;
-  int thread = -1;
-  int ignore_count = 0;
-
-  hardwareflag = flag & BP_HARDWAREFLAG;
-  tempflag = flag & BP_TEMPFLAG;
-
-  sals.sals = NULL;
-  sals.nelts = 0;
-  addr_string = NULL;
-  parse_breakpoint_sals (&arg, &sals, &addr_string);
-
-  if (!sals.nelts)
-    return;
-
-  /* Create a chain of things that always need to be cleaned up. */
-  old_chain = make_cleanup (null_cleanup, 0);
-
-  /* Make sure that all storage allocated to SALS gets freed.  */
-  make_cleanup (xfree, sals.sals);
-
-  /* Cleanup the addr_string array but not its contents. */
-  make_cleanup (xfree, addr_string);
-
-  /* Allocate space for all the cond expressions. */
-  cond = xcalloc (sals.nelts, sizeof (struct expression *));
-  make_cleanup (xfree, cond);
-
-  /* Allocate space for all the cond strings. */
-  cond_string = xcalloc (sals.nelts, sizeof (char **));
-  make_cleanup (xfree, cond_string);
-
-  /* ----------------------------- SNIP -----------------------------
-     Anything added to the cleanup chain beyond this point is assumed
-     to be part of a breakpoint.  If the breakpoint create succeeds
-     then the memory is not reclaimed. */
-  breakpoint_chain = make_cleanup (null_cleanup, 0);
-
-  /* Mark the contents of the addr_string for cleanup.  These go on
-     the breakpoint_chain and only occure if the breakpoint create
-     fails. */
-  for (i = 0; i < sals.nelts; i++)
-    {
-      if (addr_string[i] != NULL)
-	make_cleanup (xfree, addr_string[i]);
-    }
-
-  /* Resolve all line numbers to PC's and verify that the addresses
-     are ok for the target.  */
-  breakpoint_sals_to_pc (&sals, addr_start);
-
-  /* Verify that condition can be parsed, before setting any
-     breakpoints.  Allocate a separate condition expression for each
-     breakpoint. */
-  thread = -1;			/* No specific thread yet */
-  for (i = 0; i < sals.nelts; i++)
-    {
-      char *tok = arg;
-      while (tok && *tok)
-	{
-	  char *end_tok;
-	  int toklen;
-	  char *cond_start = NULL;
-	  char *cond_end = NULL;
-	  while (*tok == ' ' || *tok == '\t')
-	    tok++;
-
-	  end_tok = tok;
-
-	  while (*end_tok != ' ' && *end_tok != '\t' && *end_tok != '\000')
-	    end_tok++;
-
-	  toklen = end_tok - tok;
-
-	  if (toklen >= 1 && strncmp (tok, "if", toklen) == 0)
-	    {
-	      tok = cond_start = end_tok + 1;
-	      cond[i] = parse_exp_1 (&tok, block_for_pc (sals.sals[i].pc), 0);
-	      make_cleanup (xfree, cond[i]);
-	      cond_end = tok;
-	      cond_string[i] = savestring (cond_start, cond_end - cond_start);
-	      make_cleanup (xfree, cond_string[i]);
-	    }
-	  else if (toklen >= 1 && strncmp (tok, "thread", toklen) == 0)
-	    {
-	      char *tmptok;
-
-	      tok = end_tok + 1;
-	      tmptok = tok;
-	      thread = strtol (tok, &tok, 0);
-	      if (tok == tmptok)
-		error ("Junk after thread keyword.");
-	      if (!valid_thread_id (thread))
-		error ("Unknown thread %d\n", thread);
-	    }
-	  else
-	    error ("Junk at end of arguments.");
-	}
-    }
-
-  create_breakpoints (sals, addr_string, cond, cond_string,
-		      hardwareflag ? bp_hardware_breakpoint : bp_breakpoint,
-		      tempflag ? disp_del : disp_donttouch,
-		      thread, ignore_count, from_tty);
-
-  if (sals.nelts > 1)
-    {
-      warning ("Multiple breakpoints were set.");
-      warning ("Use the \"delete\" command to delete unwanted breakpoints.");
-    }
-  /* That's it. Discard the cleanups for data inserted into the
-     breakpoint. */
-  discard_cleanups (breakpoint_chain);
-  /* But cleanup everything else. */
-  do_cleanups (old_chain);
-}
-
-/* Set a breakpoint of TYPE/DISPOSITION according to ARG (function,
-   linenum or *address) with COND and IGNORE_COUNT. */
-
-struct captured_breakpoint_args
-  {
-    char *address;
-    char *condition;
-    int hardwareflag;
-    int tempflag;
-    int thread;
-    int ignore_count;
-  };
-
-static int
-do_captured_breakpoint (void *data)
-{
-  struct captured_breakpoint_args *args = data;
-  struct symtabs_and_lines sals;
-  register struct expression **cond;
-  struct cleanup *old_chain;
-  struct cleanup *breakpoint_chain = NULL;
-  int i;
-  char **addr_string;
-  char **cond_string;
-
-  char *address_end;
-
-  /* Parse the source and lines spec.  Delay check that the expression
-     didn't contain trailing garbage until after cleanups are in
-     place. */
-  sals.sals = NULL;
-  sals.nelts = 0;
-  address_end = args->address;
-  addr_string = NULL;
-  parse_breakpoint_sals (&address_end, &sals, &addr_string);
-
-  if (!sals.nelts)
-    return GDB_RC_NONE;
-
-  /* Create a chain of things at always need to be cleaned up. */
-  old_chain = make_cleanup (null_cleanup, 0);
-
-  /* Always have a addr_string array, even if it is empty. */
-  make_cleanup (xfree, addr_string);
-
-  /* Make sure that all storage allocated to SALS gets freed.  */
-  make_cleanup (xfree, sals.sals);
-
-  /* Allocate space for all the cond expressions. */
-  cond = xcalloc (sals.nelts, sizeof (struct expression *));
-  make_cleanup (xfree, cond);
-
-  /* Allocate space for all the cond strings. */
-  cond_string = xcalloc (sals.nelts, sizeof (char **));
-  make_cleanup (xfree, cond_string);
-
-  /* ----------------------------- SNIP -----------------------------
-     Anything added to the cleanup chain beyond this point is assumed
-     to be part of a breakpoint.  If the breakpoint create goes
-     through then that memory is not cleaned up. */
-  breakpoint_chain = make_cleanup (null_cleanup, 0);
-
-  /* Mark the contents of the addr_string for cleanup.  These go on
-     the breakpoint_chain and only occure if the breakpoint create
-     fails. */
-  for (i = 0; i < sals.nelts; i++)
-    {
-      if (addr_string[i] != NULL)
-	make_cleanup (xfree, addr_string[i]);
-    }
-
-  /* Wait until now before checking for garbage at the end of the
-     address. That way cleanups can take care of freeing any
-     memory. */
-  if (*address_end != '\0')
-    error ("Garbage %s following breakpoint address", address_end);
-
-  /* Resolve all line numbers to PC's.  */
-  breakpoint_sals_to_pc (&sals, args->address);
-
-  /* Verify that conditions can be parsed, before setting any
-     breakpoints.  */
-  for (i = 0; i < sals.nelts; i++)
-    {
-      if (args->condition != NULL)
-	{
-	  char *tok = args->condition;
-	  cond[i] = parse_exp_1 (&tok, block_for_pc (sals.sals[i].pc), 0);
-	  if (*tok != '\0')
-	    error ("Garbage %s follows condition", tok);
-	  make_cleanup (xfree, cond[i]);
-	  cond_string[i] = xstrdup (args->condition);
-	}
-    }
-
-  create_breakpoints (sals, addr_string, cond, cond_string,
-		      args->hardwareflag ? bp_hardware_breakpoint : bp_breakpoint,
-		      args->tempflag ? disp_del : disp_donttouch,
-		      args->thread, args->ignore_count, 0/*from-tty*/);
-
-  /* That's it. Discard the cleanups for data inserted into the
-     breakpoint. */
-  discard_cleanups (breakpoint_chain);
-  /* But cleanup everything else. */
-  do_cleanups (old_chain);
-  return GDB_RC_OK;
-}
-
-enum gdb_rc
-gdb_breakpoint (char *address, char *condition,
-		int hardwareflag, int tempflag,
-		int thread, int ignore_count)
-{
-  struct captured_breakpoint_args args;
-  args.address = address;
-  args.condition = condition;
-  args.hardwareflag = hardwareflag;
-  args.tempflag = tempflag;
-  args.thread = thread;
-  args.ignore_count = ignore_count;
-  return catch_errors (do_captured_breakpoint, &args,
-		       NULL, RETURN_MASK_ALL);
-}
-
-
-static void
-break_at_finish_at_depth_command_1 (char *arg, int flag, int from_tty)
-{
-  struct frame_info *frame;
-  CORE_ADDR low, high, selected_pc = 0;
-  char *extra_args = NULL;
-  char *level_arg;
-  char *addr_string;
-  int extra_args_len = 0, if_arg = 0;
-
-  if (!arg ||
-      (arg[0] == 'i' && arg[1] == 'f' && (arg[2] == ' ' || arg[2] == '\t')))
-    {
-
-      if (default_breakpoint_valid)
-	{
-	  if (selected_frame)
-	    {
-	      selected_pc = selected_frame->pc;
-	      if (arg)
-		if_arg = 1;
-	    }
-	  else
-	    error ("No selected frame.");
-	}
-      else
-	error ("No default breakpoint address now.");
-    }
-  else
-    {
-      extra_args = strchr (arg, ' ');
-      if (extra_args)
-	{
-	  extra_args++;
-	  extra_args_len = strlen (extra_args);
-	  level_arg = (char *) xmalloc (extra_args - arg);
-	  strncpy (level_arg, arg, extra_args - arg - 1);
-	  level_arg[extra_args - arg - 1] = '\0';
-	}
-      else
-	{
-	  level_arg = (char *) xmalloc (strlen (arg) + 1);
-	  strcpy (level_arg, arg);
-	}
-
-      frame = parse_frame_specification (level_arg);
-      if (frame)
-	selected_pc = frame->pc;
-      else
-	selected_pc = 0;
-    }
-  if (if_arg)
-    {
-      extra_args = arg;
-      extra_args_len = strlen (arg);
-    }
-
-  if (selected_pc)
-    {
-      if (find_pc_partial_function (selected_pc, (char **) NULL, &low, &high))
-	{
-	  addr_string = (char *) xmalloc (26 + extra_args_len);
-	  if (extra_args_len)
-	    sprintf (addr_string, "*0x%s %s", paddr_nz (high), extra_args);
-	  else
-	    sprintf (addr_string, "*0x%s", paddr_nz (high));
-	  break_command_1 (addr_string, flag, from_tty);
-	  xfree (addr_string);
-	}
-      else
-	error ("No function contains the specified address");
-    }
-  else
-    error ("Unable to set breakpoint at procedure exit");
-}
-
-
-static void
-break_at_finish_command_1 (char *arg, int flag, int from_tty)
-{
-  char *addr_string, *break_string, *beg_addr_string;
-  CORE_ADDR low, high;
-  struct symtabs_and_lines sals;
-  struct symtab_and_line sal;
-  struct cleanup *old_chain;
-  char *extra_args = NULL;
-  int extra_args_len = 0;
-  int i, if_arg = 0;
-
-  if (!arg ||
-      (arg[0] == 'i' && arg[1] == 'f' && (arg[2] == ' ' || arg[2] == '\t')))
-    {
-      if (default_breakpoint_valid)
-	{
-	  if (selected_frame)
-	    {
-	      addr_string = (char *) xmalloc (15);
-	      sprintf (addr_string, "*0x%s", paddr_nz (selected_frame->pc));
-	      if (arg)
-		if_arg = 1;
-	    }
-	  else
-	    error ("No selected frame.");
-	}
-      else
-	error ("No default breakpoint address now.");
-    }
-  else
-    {
-      addr_string = (char *) xmalloc (strlen (arg) + 1);
-      strcpy (addr_string, arg);
-    }
-
-  if (if_arg)
-    {
-      extra_args = arg;
-      extra_args_len = strlen (arg);
-    }
-  else if (arg)
-    {
-      /* get the stuff after the function name or address */
-      extra_args = strchr (arg, ' ');
-      if (extra_args)
-	{
-	  extra_args++;
-	  extra_args_len = strlen (extra_args);
-	}
-    }
-
-  sals.sals = NULL;
-  sals.nelts = 0;
-
-  beg_addr_string = addr_string;
-  sals = decode_line_1 (&addr_string, 1, (struct symtab *) NULL, 0,
-			(char ***) NULL);
-
-  xfree (beg_addr_string);
-  old_chain = make_cleanup (xfree, sals.sals);
-  for (i = 0; (i < sals.nelts); i++)
-    {
-      sal = sals.sals[i];
-      if (find_pc_partial_function (sal.pc, (char **) NULL, &low, &high))
-	{
-	  break_string = (char *) xmalloc (extra_args_len + 26);
-	  if (extra_args_len)
-	    sprintf (break_string, "*0x%s %s", paddr_nz (high), extra_args);
-	  else
-	    sprintf (break_string, "*0x%s", paddr_nz (high));
-	  break_command_1 (break_string, flag, from_tty);
-	  xfree (break_string);
-	}
-      else
-	error ("No function contains the specified address");
-    }
-  if (sals.nelts > 1)
-    {
-      warning ("Multiple breakpoints were set.\n");
-      warning ("Use the \"delete\" command to delete unwanted breakpoints.");
-    }
-  do_cleanups (old_chain);
-}
-
-
-/* Helper function for break_command_1 and disassemble_command.  */
-
-void
-resolve_sal_pc (struct symtab_and_line *sal)
-{
-  CORE_ADDR pc;
-
-  if (sal->pc == 0 && sal->symtab != NULL)
-    {
-      if (!find_line_pc (sal->symtab, sal->line, &pc))
-	error ("No line %d in file \"%s\".",
-	       sal->line, sal->symtab->filename);
-      sal->pc = pc;
-    }
-
-  if (sal->section == 0 && sal->symtab != NULL)
-    {
-      struct blockvector *bv;
-      struct block *b;
-      struct symbol *sym;
-      int index;
-
-      bv = blockvector_for_pc_sect (sal->pc, 0, &index, sal->symtab);
-      if (bv != NULL)
-	{
-	  b = BLOCKVECTOR_BLOCK (bv, index);
-	  sym = block_function (b);
-	  if (sym != NULL)
-	    {
-	      fixup_symbol_section (sym, sal->symtab->objfile);
-	      sal->section = SYMBOL_BFD_SECTION (sym);
-	    }
-	  else
-	    {
-	      /* It really is worthwhile to have the section, so we'll just
-	         have to look harder. This case can be executed if we have 
-	         line numbers but no functions (as can happen in assembly 
-	         source).  */
-
-	      struct minimal_symbol *msym;
-
-	      msym = lookup_minimal_symbol_by_pc (sal->pc);
-	      if (msym)
-		sal->section = SYMBOL_BFD_SECTION (msym);
-	    }
-	}
-    }
-}
-
-void
-break_command (char *arg, int from_tty)
-{
-  break_command_1 (arg, 0, from_tty);
-}
-
-void
-break_at_finish_command (char *arg, int from_tty)
-{
-  break_at_finish_command_1 (arg, 0, from_tty);
-}
-
-void
-break_at_finish_at_depth_command (char *arg, int from_tty)
-{
-  break_at_finish_at_depth_command_1 (arg, 0, from_tty);
-}
-
-void
-tbreak_command (char *arg, int from_tty)
-{
-  break_command_1 (arg, BP_TEMPFLAG, from_tty);
-}
-
-void
-tbreak_at_finish_command (char *arg, int from_tty)
-{
-  break_at_finish_command_1 (arg, BP_TEMPFLAG, from_tty);
-}
-
-static void
-hbreak_command (char *arg, int from_tty)
-{
-  break_command_1 (arg, BP_HARDWAREFLAG, from_tty);
-}
-
-static void
-thbreak_command (char *arg, int from_tty)
-{
-  break_command_1 (arg, (BP_TEMPFLAG | BP_HARDWAREFLAG), from_tty);
-}
-
-static void
-stop_command (char *arg, int from_tty)
-{
-  printf_filtered ("Specify the type of breakpoint to set.\n\
-Usage: stop in <function | address>\n\
-       stop at <line>\n");
-}
-
-static void
-stopin_command (char *arg, int from_tty)
-{
-  int badInput = 0;
-
-  if (arg == (char *) NULL)
-    badInput = 1;
-  else if (*arg != '*')
-    {
-      char *argptr = arg;
-      int hasColon = 0;
-
-      /* look for a ':'.  If this is a line number specification, then
-         say it is bad, otherwise, it should be an address or
-         function/method name */
-      while (*argptr && !hasColon)
-	{
-	  hasColon = (*argptr == ':');
-	  argptr++;
-	}
-
-      if (hasColon)
-	badInput = (*argptr != ':');	/* Not a class::method */
-      else
-	badInput = isdigit (*arg);	/* a simple line number */
-    }
-
-  if (badInput)
-    printf_filtered ("Usage: stop in <function | address>\n");
-  else
-    break_command_1 (arg, 0, from_tty);
-}
-
-static void
-stopat_command (char *arg, int from_tty)
-{
-  int badInput = 0;
-
-  if (arg == (char *) NULL || *arg == '*')	/* no line number */
-    badInput = 1;
-  else
-    {
-      char *argptr = arg;
-      int hasColon = 0;
-
-      /* look for a ':'.  If there is a '::' then get out, otherwise
-         it is probably a line number. */
-      while (*argptr && !hasColon)
-	{
-	  hasColon = (*argptr == ':');
-	  argptr++;
-	}
-
-      if (hasColon)
-	badInput = (*argptr == ':');	/* we have class::method */
-      else
-	badInput = !isdigit (*arg);	/* not a line number */
-    }
-
-  if (badInput)
-    printf_filtered ("Usage: stop at <line>\n");
-  else
-    break_command_1 (arg, 0, from_tty);
-}
-
-/* ARGSUSED */
-/* accessflag:  hw_write:  watch write, 
-                hw_read:   watch read, 
-		hw_access: watch access (read or write) */
-static void
-watch_command_1 (char *arg, int accessflag, int from_tty)
-{
-  struct breakpoint *b;
-  struct symtab_and_line sal;
-  struct expression *exp;
-  struct block *exp_valid_block;
-  struct value *val, *mark;
-  struct frame_info *frame;
-  struct frame_info *prev_frame = NULL;
-  char *exp_start = NULL;
-  char *exp_end = NULL;
-  char *tok, *end_tok;
-  int toklen;
-  char *cond_start = NULL;
-  char *cond_end = NULL;
-  struct expression *cond = NULL;
-  int i, other_type_used, target_resources_ok = 0;
-  enum bptype bp_type;
-  int mem_cnt = 0;
-
-  INIT_SAL (&sal);		/* initialize to zeroes */
-
-  /* Parse arguments.  */
-  innermost_block = NULL;
-  exp_start = arg;
-  exp = parse_exp_1 (&arg, 0, 0);
-  exp_end = arg;
-  exp_valid_block = innermost_block;
-  mark = value_mark ();
-  val = evaluate_expression (exp);
-  release_value (val);
-  if (VALUE_LAZY (val))
-    value_fetch_lazy (val);
-
-  tok = arg;
-  while (*tok == ' ' || *tok == '\t')
-    tok++;
-  end_tok = tok;
-
-  while (*end_tok != ' ' && *end_tok != '\t' && *end_tok != '\000')
-    end_tok++;
-
-  toklen = end_tok - tok;
-  if (toklen >= 1 && strncmp (tok, "if", toklen) == 0)
-    {
-      tok = cond_start = end_tok + 1;
-      cond = parse_exp_1 (&tok, 0, 0);
-      cond_end = tok;
-    }
-  if (*tok)
-    error ("Junk at end of command.");
-
-  if (accessflag == hw_read)
-    bp_type = bp_read_watchpoint;
-  else if (accessflag == hw_access)
-    bp_type = bp_access_watchpoint;
-  else
-    bp_type = bp_hardware_watchpoint;
-
-  mem_cnt = can_use_hardware_watchpoint (val);
-  if (mem_cnt == 0 && bp_type != bp_hardware_watchpoint)
-    error ("Expression cannot be implemented with read/access watchpoint.");
-  if (mem_cnt != 0)
-    {
-      i = hw_watchpoint_used_count (bp_type, &other_type_used);
-      target_resources_ok = 
-	TARGET_CAN_USE_HARDWARE_WATCHPOINT (bp_type, i + mem_cnt, 
-					    other_type_used);
-      if (target_resources_ok == 0 && bp_type != bp_hardware_watchpoint)
-	error ("Target does not support this type of hardware watchpoint.");
-
-      if (target_resources_ok < 0 && bp_type != bp_hardware_watchpoint)
-	error ("Target can only support one kind of HW watchpoint at a time.");
-    }
-
-#if defined(HPUXHPPA)
-  /*  On HP-UX if you set a h/w
-     watchpoint before the "run" command, the inferior dies with a e.g.,
-     SIGILL once you start it.  I initially believed this was due to a
-     bad interaction between page protection traps and the initial
-     startup sequence by the dynamic linker.
-
-     However, I tried avoiding that by having HP-UX's implementation of
-     TARGET_CAN_USE_HW_WATCHPOINT return FALSE if there was no inferior_ptid
-     yet, which forced slow watches before a "run" or "attach", and it
-     still fails somewhere in the startup code.
-
-     Until I figure out what's happening, I'm disallowing watches altogether
-     before the "run" or "attach" command.  We'll tell the user they must
-     set watches after getting the program started. */
-  if (!target_has_execution)
-    {
-      warning ("can't do that without a running program; try \"break main\", \"run\" first");
-      return;
-    }
-#endif /* HPUXHPPA */
-
-  /* Change the type of breakpoint to an ordinary watchpoint if a hardware
-     watchpoint could not be set.  */
-  if (!mem_cnt || target_resources_ok <= 0)
-    bp_type = bp_watchpoint;
-
-  /* Now set up the breakpoint.  */
-  b = set_raw_breakpoint (sal, bp_type);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->disposition = disp_donttouch;
-  b->exp = exp;
-  b->exp_valid_block = exp_valid_block;
-  b->exp_string = savestring (exp_start, exp_end - exp_start);
-  b->val = val;
-  b->cond = cond;
-  if (cond_start)
-    b->cond_string = savestring (cond_start, cond_end - cond_start);
-  else
-    b->cond_string = 0;
-
-  frame = block_innermost_frame (exp_valid_block);
-  if (frame)
-    {
-      prev_frame = get_prev_frame (frame);
-      get_frame_id (frame, &b->watchpoint_frame);
-    }
-  else
-    {
-      memset (&b->watchpoint_frame, 0, sizeof (b->watchpoint_frame));
-    }
-
-  /* If the expression is "local", then set up a "watchpoint scope"
-     breakpoint at the point where we've left the scope of the watchpoint
-     expression.  */
-  if (innermost_block)
-    {
-      if (prev_frame)
-	{
-	  struct breakpoint *scope_breakpoint;
-	  scope_breakpoint = create_internal_breakpoint (get_frame_pc (prev_frame),
-							 bp_watchpoint_scope);
-
-	  scope_breakpoint->enable_state = bp_enabled;
-
-	  /* Automatically delete the breakpoint when it hits.  */
-	  scope_breakpoint->disposition = disp_del;
-
-	  /* Only break in the proper frame (help with recursion).  */
-	  scope_breakpoint->frame = prev_frame->frame;
-
-	  /* Set the address at which we will stop.  */
-	  scope_breakpoint->address = get_frame_pc (prev_frame);
-
-	  /* The scope breakpoint is related to the watchpoint.  We
-	     will need to act on them together.  */
-	  b->related_breakpoint = scope_breakpoint;
-	}
-    }
-  value_free_to_mark (mark);
-  mention (b);
-}
-
-/* Return count of locations need to be watched and can be handled
-   in hardware.  If the watchpoint can not be handled
-   in hardware return zero.  */
-
-#if !defined(TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT)
-#define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(BYTE_SIZE) \
-    ((BYTE_SIZE) <= (REGISTER_SIZE))
-#endif
-
-#if !defined(TARGET_REGION_OK_FOR_HW_WATCHPOINT)
-#define TARGET_REGION_OK_FOR_HW_WATCHPOINT(ADDR,LEN) \
-     (TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(LEN))
-#endif
-
-static int
-can_use_hardware_watchpoint (struct value *v)
-{
-  int found_memory_cnt = 0;
-  struct value *head = v;
-
-  /* Did the user specifically forbid us to use hardware watchpoints? */
-  if (!can_use_hw_watchpoints)
-    return 0;
-
-  /* Make sure that the value of the expression depends only upon
-     memory contents, and values computed from them within GDB.  If we
-     find any register references or function calls, we can't use a
-     hardware watchpoint.
-
-     The idea here is that evaluating an expression generates a series
-     of values, one holding the value of every subexpression.  (The
-     expression a*b+c has five subexpressions: a, b, a*b, c, and
-     a*b+c.)  GDB's values hold almost enough information to establish
-     the criteria given above --- they identify memory lvalues,
-     register lvalues, computed values, etcetera.  So we can evaluate
-     the expression, and then scan the chain of values that leaves
-     behind to decide whether we can detect any possible change to the
-     expression's final value using only hardware watchpoints.
-
-     However, I don't think that the values returned by inferior
-     function calls are special in any way.  So this function may not
-     notice that an expression involving an inferior function call
-     can't be watched with hardware watchpoints.  FIXME.  */
-  for (; v; v = v->next)
-    {
-      if (VALUE_LVAL (v) == lval_memory)
-	{
-	  if (VALUE_LAZY (v))
-	    /* A lazy memory lvalue is one that GDB never needed to fetch;
-	       we either just used its address (e.g., `a' in `a.b') or
-	       we never needed it at all (e.g., `a' in `a,b').  */
-	    ;
-	  else
-	    {
-	      /* Ahh, memory we actually used!  Check if we can cover
-                 it with hardware watchpoints.  */
-	      struct type *vtype = check_typedef (VALUE_TYPE (v));
-
-	      /* We only watch structs and arrays if user asked for it
-		 explicitly, never if they just happen to appear in a
-		 middle of some value chain.  */
-	      if (v == head
-		  || (TYPE_CODE (vtype) != TYPE_CODE_STRUCT
-		      && TYPE_CODE (vtype) != TYPE_CODE_ARRAY))
-		{
-		  CORE_ADDR vaddr = VALUE_ADDRESS (v) + VALUE_OFFSET (v);
-		  int       len   = TYPE_LENGTH (VALUE_TYPE (v));
-
-		  if (!TARGET_REGION_OK_FOR_HW_WATCHPOINT (vaddr, len))
-		    return 0;
-		  else
-		    found_memory_cnt++;
-		}
-	    }
-	}
-      else if (v->lval != not_lval && v->modifiable == 0)
-	return 0;	/* ??? What does this represent? */
-      else if (v->lval == lval_register)
-	return 0;	/* cannot watch a register with a HW watchpoint */
-    }
-
-  /* The expression itself looks suitable for using a hardware
-     watchpoint, but give the target machine a chance to reject it.  */
-  return found_memory_cnt;
-}
-
-void
-watch_command_wrapper (char *arg, int from_tty)
-{
-  watch_command (arg, from_tty);
-}
-
-static void
-watch_command (char *arg, int from_tty)
-{
-  watch_command_1 (arg, hw_write, from_tty);
-}
-
-void
-rwatch_command_wrapper (char *arg, int from_tty)
-{
-  rwatch_command (arg, from_tty);
-}
-
-static void
-rwatch_command (char *arg, int from_tty)
-{
-  watch_command_1 (arg, hw_read, from_tty);
-}
-
-void
-awatch_command_wrapper (char *arg, int from_tty)
-{
-  awatch_command (arg, from_tty);
-}
-
-static void
-awatch_command (char *arg, int from_tty)
-{
-  watch_command_1 (arg, hw_access, from_tty);
-}
-
-
-/* Helper routines for the until_command routine in infcmd.c.  Here
-   because it uses the mechanisms of breakpoints.  */
-
-/* This function is called by fetch_inferior_event via the
-   cmd_continuation pointer, to complete the until command. It takes
-   care of cleaning up the temporary breakpoints set up by the until
-   command. */
-static void
-until_break_command_continuation (struct continuation_arg *arg)
-{
-  struct cleanup *cleanups;
-
-  cleanups = (struct cleanup *) arg->data.pointer;
-  do_exec_cleanups (cleanups);
-}
-
-/* ARGSUSED */
-void
-until_break_command (char *arg, int from_tty)
-{
-  struct symtabs_and_lines sals;
-  struct symtab_and_line sal;
-  struct frame_info *prev_frame = get_prev_frame (selected_frame);
-  struct breakpoint *breakpoint;
-  struct cleanup *old_chain;
-  struct continuation_arg *arg1;
-
-
-  clear_proceed_status ();
-
-  /* Set a breakpoint where the user wants it and at return from
-     this function */
-
-  if (default_breakpoint_valid)
-    sals = decode_line_1 (&arg, 1, default_breakpoint_symtab,
-			  default_breakpoint_line, (char ***) NULL);
-  else
-    sals = decode_line_1 (&arg, 1, (struct symtab *) NULL, 
-			  0, (char ***) NULL);
-
-  if (sals.nelts != 1)
-    error ("Couldn't get information on specified line.");
-
-  sal = sals.sals[0];
-  xfree (sals.sals);	/* malloc'd, so freed */
-
-  if (*arg)
-    error ("Junk at end of arguments.");
-
-  resolve_sal_pc (&sal);
-
-  breakpoint = set_momentary_breakpoint (sal, selected_frame, bp_until);
-
-  if (!event_loop_p || !target_can_async_p ())
-    old_chain = make_cleanup_delete_breakpoint (breakpoint);
-  else
-    old_chain = make_exec_cleanup_delete_breakpoint (breakpoint);
-
-  /* If we are running asynchronously, and the target supports async
-     execution, we are not waiting for the target to stop, in the call
-     tp proceed, below. This means that we cannot delete the
-     brekpoints until the target has actually stopped. The only place
-     where we get a chance to do that is in fetch_inferior_event, so
-     we must set things up for that. */
-
-  if (event_loop_p && target_can_async_p ())
-    {
-      /* In this case the arg for the continuation is just the point
-         in the exec_cleanups chain from where to start doing
-         cleanups, because all the continuation does is the cleanups in
-         the exec_cleanup_chain. */
-      arg1 =
-	(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
-      arg1->next         = NULL;
-      arg1->data.pointer = old_chain;
-
-      add_continuation (until_break_command_continuation, arg1);
-    }
-
-  /* Keep within the current frame */
-
-  if (prev_frame)
-    {
-      sal = find_pc_line (prev_frame->pc, 0);
-      sal.pc = prev_frame->pc;
-      breakpoint = set_momentary_breakpoint (sal, prev_frame, bp_until);
-      if (!event_loop_p || !target_can_async_p ())
-	make_cleanup_delete_breakpoint (breakpoint);
-      else
-	make_exec_cleanup_delete_breakpoint (breakpoint);
-    }
-
-  proceed (-1, TARGET_SIGNAL_DEFAULT, 0);
-  /* Do the cleanups now, anly if we are not running asynchronously,
-     of if we are, but the target is still synchronous. */
-  if (!event_loop_p || !target_can_async_p ())
-    do_cleanups (old_chain);
-}
-
-#if 0
-/* These aren't used; I don't konw what they were for.  */
-/* Set a breakpoint at the catch clause for NAME.  */
-static int
-catch_breakpoint (char *name)
-{
-}
-
-static int
-disable_catch_breakpoint (void)
-{
-}
-
-static int
-delete_catch_breakpoint (void)
-{
-}
-
-static int
-enable_catch_breakpoint (void)
-{
-}
-#endif /* 0 */
-
-struct sal_chain
-{
-  struct sal_chain *next;
-  struct symtab_and_line sal;
-};
-
-#if 0
-/* Not really used -- invocation in handle_gnu_4_16_catch_command
-   had been commented out in the v.4.16 sources, and stays
-   disabled there now because "catch NAME" syntax isn't allowed.
-   pai/1997-07-11 */
-/* This isn't used; I don't know what it was for.  */
-/* For each catch clause identified in ARGS, run FUNCTION
-   with that clause as an argument.  */
-static struct symtabs_and_lines
-map_catch_names (char *args, int (*function) ())
-{
-  register char *p = args;
-  register char *p1;
-  struct symtabs_and_lines sals;
-#if 0
-  struct sal_chain *sal_chain = 0;
-#endif
-
-  if (p == 0)
-    error_no_arg ("one or more catch names");
-
-  sals.nelts = 0;
-  sals.sals = NULL;
-
-  while (*p)
-    {
-      p1 = p;
-      /* Don't swallow conditional part.  */
-      if (p1[0] == 'i' && p1[1] == 'f'
-	  && (p1[2] == ' ' || p1[2] == '\t'))
-	break;
-
-      if (isalpha (*p1))
-	{
-	  p1++;
-	  while (isalnum (*p1) || *p1 == '_' || *p1 == '$')
-	    p1++;
-	}
-
-      if (*p1 && *p1 != ' ' && *p1 != '\t')
-	error ("Arguments must be catch names.");
-
-      *p1 = 0;
-#if 0
-      if (function (p))
-	{
-	  struct sal_chain *next = (struct sal_chain *)
-	  alloca (sizeof (struct sal_chain));
-	  next->next = sal_chain;
-	  next->sal = get_catch_sal (p);
-	  sal_chain = next;
-	  goto win;
-	}
-#endif
-      printf_unfiltered ("No catch clause for exception %s.\n", p);
-#if 0
-    win:
-#endif
-      p = p1;
-      while (*p == ' ' || *p == '\t')
-	p++;
-    }
-}
-#endif
-
-/* This shares a lot of code with `print_frame_label_vars' from stack.c.  */
-
-static struct symtabs_and_lines
-get_catch_sals (int this_level_only)
-{
-  register struct blockvector *bl;
-  register struct block *block;
-  int index, have_default = 0;
-  CORE_ADDR pc;
-  struct symtabs_and_lines sals;
-  struct sal_chain *sal_chain = 0;
-  char *blocks_searched;
-
-  /* Not sure whether an error message is always the correct response,
-     but it's better than a core dump.  */
-  if (selected_frame == NULL)
-    error ("No selected frame.");
-  block = get_frame_block (selected_frame, 0);
-  pc = selected_frame->pc;
-
-  sals.nelts = 0;
-  sals.sals = NULL;
-
-  if (block == 0)
-    error ("No symbol table info available.\n");
-
-  bl = blockvector_for_pc (BLOCK_END (block) - 4, &index);
-  blocks_searched = (char *) alloca (BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
-  memset (blocks_searched, 0, BLOCKVECTOR_NBLOCKS (bl) * sizeof (char));
-
-  while (block != 0)
-    {
-      CORE_ADDR end = BLOCK_END (block) - 4;
-      int last_index;
-
-      if (bl != blockvector_for_pc (end, &index))
-	error ("blockvector blotch");
-      if (BLOCKVECTOR_BLOCK (bl, index) != block)
-	error ("blockvector botch");
-      last_index = BLOCKVECTOR_NBLOCKS (bl);
-      index += 1;
-
-      /* Don't print out blocks that have gone by.  */
-      while (index < last_index
-	     && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < pc)
-	index++;
-
-      while (index < last_index
-	     && BLOCK_END (BLOCKVECTOR_BLOCK (bl, index)) < end)
-	{
-	  if (blocks_searched[index] == 0)
-	    {
-	      struct block *b = BLOCKVECTOR_BLOCK (bl, index);
-	      register int i;
-	      register struct symbol *sym;
-
-	      ALL_BLOCK_SYMBOLS (b, i, sym)
-		{
-		  if (STREQ (SYMBOL_NAME (sym), "default"))
-		    {
-		      if (have_default)
-			continue;
-		      have_default = 1;
-		    }
-		  if (SYMBOL_CLASS (sym) == LOC_LABEL)
-		    {
-		      struct sal_chain *next = (struct sal_chain *)
-		      alloca (sizeof (struct sal_chain));
-		      next->next = sal_chain;
-		      next->sal = find_pc_line (SYMBOL_VALUE_ADDRESS (sym), 
-						0);
-		      sal_chain = next;
-		    }
-		}
-	      blocks_searched[index] = 1;
-	    }
-	  index++;
-	}
-      if (have_default)
-	break;
-      if (sal_chain && this_level_only)
-	break;
-
-      /* After handling the function's top-level block, stop.
-         Don't continue to its superblock, the block of
-         per-file symbols.  */
-      if (BLOCK_FUNCTION (block))
-	break;
-      block = BLOCK_SUPERBLOCK (block);
-    }
-
-  if (sal_chain)
-    {
-      struct sal_chain *tmp_chain;
-
-      /* Count the number of entries.  */
-      for (index = 0, tmp_chain = sal_chain; tmp_chain;
-	   tmp_chain = tmp_chain->next)
-	index++;
-
-      sals.nelts = index;
-      sals.sals = (struct symtab_and_line *)
-	xmalloc (index * sizeof (struct symtab_and_line));
-      for (index = 0; sal_chain; sal_chain = sal_chain->next, index++)
-	sals.sals[index] = sal_chain->sal;
-    }
-
-  return sals;
-}
-
-static void
-ep_skip_leading_whitespace (char **s)
-{
-  if ((s == NULL) || (*s == NULL))
-    return;
-  while (isspace (**s))
-    *s += 1;
-}
-
-/* This function examines a string, and attempts to find a token
-   that might be an event name in the leading characters.  If a
-   possible match is found, a pointer to the last character of
-   the token is returned.  Else, NULL is returned. */
-
-static char *
-ep_find_event_name_end (char *arg)
-{
-  char *s = arg;
-  char *event_name_end = NULL;
-
-  /* If we could depend upon the presense of strrpbrk, we'd use that... */
-  if (arg == NULL)
-    return NULL;
-
-  /* We break out of the loop when we find a token delimiter.
-     Basically, we're looking for alphanumerics and underscores;
-     anything else delimites the token. */
-  while (*s != '\0')
-    {
-      if (!isalnum (*s) && (*s != '_'))
-	break;
-      event_name_end = s;
-      s++;
-    }
-
-  return event_name_end;
-}
-
-
-/* This function attempts to parse an optional "if <cond>" clause
-   from the arg string.  If one is not found, it returns NULL.
-
-   Else, it returns a pointer to the condition string.  (It does not
-   attempt to evaluate the string against a particular block.)  And,
-   it updates arg to point to the first character following the parsed
-   if clause in the arg string. */
-
-static char *
-ep_parse_optional_if_clause (char **arg)
-{
-  char *cond_string;
-
-  if (((*arg)[0] != 'i') || ((*arg)[1] != 'f') || !isspace ((*arg)[2]))
-    return NULL;
-
-  /* Skip the "if" keyword. */
-  (*arg) += 2;
-
-  /* Skip any extra leading whitespace, and record the start of the
-     condition string. */
-  ep_skip_leading_whitespace (arg);
-  cond_string = *arg;
-
-  /* Assume that the condition occupies the remainder of the arg string. */
-  (*arg) += strlen (cond_string);
-
-  return cond_string;
-}
-
-/* This function attempts to parse an optional filename from the arg
-   string.  If one is not found, it returns NULL.
-
-   Else, it returns a pointer to the parsed filename.  (This function
-   makes no attempt to verify that a file of that name exists, or is
-   accessible.)  And, it updates arg to point to the first character
-   following the parsed filename in the arg string.
-
-   Note that clients needing to preserve the returned filename for
-   future access should copy it to their own buffers. */
-static char *
-ep_parse_optional_filename (char **arg)
-{
-  static char filename[1024];
-  char *arg_p = *arg;
-  int i;
-  char c;
-
-  if ((*arg_p == '\0') || isspace (*arg_p))
-    return NULL;
-
-  for (i = 0;; i++)
-    {
-      c = *arg_p;
-      if (isspace (c))
-	c = '\0';
-      filename[i] = c;
-      if (c == '\0')
-	break;
-      arg_p++;
-    }
-  *arg = arg_p;
-
-  return filename;
-}
-
-/* Commands to deal with catching events, such as signals, exceptions,
-   process start/exit, etc.  */
-
-typedef enum
-{
-  catch_fork, catch_vfork
-}
-catch_fork_kind;
-
-#if defined(CHILD_INSERT_FORK_CATCHPOINT) || defined(CHILD_INSERT_VFORK_CATCHPOINT)
-static void catch_fork_command_1 (catch_fork_kind fork_kind,
-				  char *arg, int tempflag, int from_tty);
-
-static void
-catch_fork_command_1 (catch_fork_kind fork_kind, char *arg, int tempflag,
-		      int from_tty)
-{
-  char *cond_string = NULL;
-
-  ep_skip_leading_whitespace (&arg);
-
-  /* The allowed syntax is:
-     catch [v]fork
-     catch [v]fork if <cond>
-
-     First, check if there's an if clause. */
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error ("Junk at end of arguments.");
-
-  /* If this target supports it, create a fork or vfork catchpoint
-     and enable reporting of such events. */
-  switch (fork_kind)
-    {
-    case catch_fork:
-      create_fork_event_catchpoint (tempflag, cond_string);
-      break;
-    case catch_vfork:
-      create_vfork_event_catchpoint (tempflag, cond_string);
-      break;
-    default:
-      error ("unsupported or unknown fork kind; cannot catch it");
-      break;
-    }
-}
-#endif
-
-#if defined(CHILD_INSERT_EXEC_CATCHPOINT)
-static void
-catch_exec_command_1 (char *arg, int tempflag, int from_tty)
-{
-  char *cond_string = NULL;
-
-  ep_skip_leading_whitespace (&arg);
-
-  /* The allowed syntax is:
-     catch exec
-     catch exec if <cond>
-
-     First, check if there's an if clause. */
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error ("Junk at end of arguments.");
-
-  /* If this target supports it, create an exec catchpoint
-     and enable reporting of such events. */
-  create_exec_event_catchpoint (tempflag, cond_string);
-}
-#endif
-
-#if defined(SOLIB_ADD)
-static void
-catch_load_command_1 (char *arg, int tempflag, int from_tty)
-{
-  char *dll_pathname = NULL;
-  char *cond_string = NULL;
-
-  ep_skip_leading_whitespace (&arg);
-
-  /* The allowed syntax is:
-     catch load
-     catch load if <cond>
-     catch load <filename>
-     catch load <filename> if <cond>
-
-     The user is not allowed to specify the <filename> after an
-     if clause.
-
-     We'll ignore the pathological case of a file named "if".
-
-     First, check if there's an if clause.  If so, then there
-     cannot be a filename. */
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  /* If there was an if clause, then there cannot be a filename.
-     Else, there might be a filename and an if clause. */
-  if (cond_string == NULL)
-    {
-      dll_pathname = ep_parse_optional_filename (&arg);
-      ep_skip_leading_whitespace (&arg);
-      cond_string = ep_parse_optional_if_clause (&arg);
-    }
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error ("Junk at end of arguments.");
-
-  /* Create a load breakpoint that only triggers when a load of
-     the specified dll (or any dll, if no pathname was specified)
-     occurs. */
-  SOLIB_CREATE_CATCH_LOAD_HOOK (PIDGET (inferior_ptid), tempflag, 
-				dll_pathname, cond_string);
-}
-
-static void
-catch_unload_command_1 (char *arg, int tempflag, int from_tty)
-{
-  char *dll_pathname = NULL;
-  char *cond_string = NULL;
-
-  ep_skip_leading_whitespace (&arg);
-
-  /* The allowed syntax is:
-     catch unload
-     catch unload if <cond>
-     catch unload <filename>
-     catch unload <filename> if <cond>
-
-     The user is not allowed to specify the <filename> after an
-     if clause.
-
-     We'll ignore the pathological case of a file named "if".
-
-     First, check if there's an if clause.  If so, then there
-     cannot be a filename. */
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  /* If there was an if clause, then there cannot be a filename.
-     Else, there might be a filename and an if clause. */
-  if (cond_string == NULL)
-    {
-      dll_pathname = ep_parse_optional_filename (&arg);
-      ep_skip_leading_whitespace (&arg);
-      cond_string = ep_parse_optional_if_clause (&arg);
-    }
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error ("Junk at end of arguments.");
-
-  /* Create an unload breakpoint that only triggers when an unload of
-     the specified dll (or any dll, if no pathname was specified)
-     occurs. */
-  SOLIB_CREATE_CATCH_UNLOAD_HOOK (PIDGET (inferior_ptid), tempflag, 
-				  dll_pathname, cond_string);
-}
-#endif /* SOLIB_ADD */
-
-/* Commands to deal with catching exceptions.  */
-
-/* Set a breakpoint at the specified callback routine for an
-   exception event callback */
-
-static void
-create_exception_catchpoint (int tempflag, char *cond_string,
-			     enum exception_event_kind ex_event,
-			     struct symtab_and_line *sal)
-{
-  struct breakpoint *b;
-  int thread = -1;		/* All threads. */
-  enum bptype bptype;
-
-  if (!sal)			/* no exception support? */
-    return;
-
-  switch (ex_event)
-    {
-    case EX_EVENT_THROW:
-      bptype = bp_catch_throw;
-      break;
-    case EX_EVENT_CATCH:
-      bptype = bp_catch_catch;
-      break;
-    default:			/* error condition */
-      error ("Internal error -- invalid catchpoint kind");
-    }
-
-  b = set_raw_breakpoint (*sal, bptype);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->cond = NULL;
-  b->cond_string = (cond_string == NULL) ? 
-    NULL : savestring (cond_string, strlen (cond_string));
-  b->thread = thread;
-  b->addr_string = NULL;
-  b->enable_state = bp_enabled;
-  b->disposition = tempflag ? disp_del : disp_donttouch;
-  mention (b);
-}
-
-/* Deal with "catch catch" and "catch throw" commands */
-
-static void
-catch_exception_command_1 (enum exception_event_kind ex_event, char *arg,
-			   int tempflag, int from_tty)
-{
-  char *cond_string = NULL;
-  struct symtab_and_line *sal = NULL;
-
-  ep_skip_leading_whitespace (&arg);
-
-  cond_string = ep_parse_optional_if_clause (&arg);
-
-  if ((*arg != '\0') && !isspace (*arg))
-    error ("Junk at end of arguments.");
-
-  if ((ex_event != EX_EVENT_THROW) &&
-      (ex_event != EX_EVENT_CATCH))
-    error ("Unsupported or unknown exception event; cannot catch it");
-
-  /* See if we can find a callback routine */
-  sal = target_enable_exception_callback (ex_event, 1);
-
-  if (sal)
-    {
-      /* We have callbacks from the runtime system for exceptions.
-         Set a breakpoint on the sal found, if no errors */
-      if (sal != (struct symtab_and_line *) -1)
-	create_exception_catchpoint (tempflag, cond_string, ex_event, sal);
-      else
-	return;		/* something went wrong with setting up callbacks */
-    }
-  else
-    {
-      /* No callbacks from runtime system for exceptions.
-         Try GNU C++ exception breakpoints using labels in debug info. */
-      if (ex_event == EX_EVENT_CATCH)
-	{
-	  handle_gnu_4_16_catch_command (arg, tempflag, from_tty);
-	}
-      else if (ex_event == EX_EVENT_THROW)
-	{
-	  /* Set a breakpoint on __raise_exception () */
-
-	  warning ("Unsupported with this platform/compiler combination.");
-	  warning ("Perhaps you can achieve the effect you want by setting");
-	  warning ("a breakpoint on __raise_exception().");
-	}
-    }
-}
-
-/* Cover routine to allow wrapping target_enable_exception_catchpoints
-   inside a catch_errors */
-
-static int
-cover_target_enable_exception_callback (PTR arg)
-{
-  args_for_catchpoint_enable *args = arg;
-  struct symtab_and_line *sal;
-  sal = target_enable_exception_callback (args->kind, args->enable_p);
-  if (sal == NULL)
-    return 0;
-  else if (sal == (struct symtab_and_line *) -1)
-    return -1;
-  else
-    return 1;			/*is valid */
-}
-
-
-
-/* This is the original v.4.16 and earlier version of the
-   catch_command_1() function.  Now that other flavours of "catch"
-   have been introduced, and since exception handling can be handled
-   in other ways (through target ops) also, this is used only for the
-   GNU C++ exception handling system.
-   Note: Only the "catch" flavour of GDB 4.16 is handled here.  The
-   "catch NAME" is now no longer allowed in catch_command_1().  Also,
-   there was no code in GDB 4.16 for "catch throw". 
-
-   Called from catch_exception_command_1 () */
-
-
-static void
-handle_gnu_4_16_catch_command (char *arg, int tempflag, int from_tty)
-{
-  /* First, translate ARG into something we can deal with in terms
-     of breakpoints.  */
-
-  struct symtabs_and_lines sals;
-  struct symtab_and_line sal;
-  register struct expression *cond = 0;
-  register struct breakpoint *b;
-  char *save_arg;
-  int i;
-
-  INIT_SAL (&sal);		/* initialize to zeroes */
-
-  /* If no arg given, or if first arg is 'if ', all active catch clauses
-     are breakpointed. */
-
-  if (!arg || (arg[0] == 'i' && arg[1] == 'f'
-	       && (arg[2] == ' ' || arg[2] == '\t')))
-    {
-      /* Grab all active catch clauses.  */
-      sals = get_catch_sals (0);
-    }
-  else
-    {
-      /* Grab selected catch clauses.  */
-      error ("catch NAME not implemented");
-
-#if 0
-      /* Not sure why this code has been disabled. I'm leaving
-         it disabled.  We can never come here now anyway
-         since we don't allow the "catch NAME" syntax.
-         pai/1997-07-11 */
-
-      /* This isn't used; I don't know what it was for.  */
-      sals = map_catch_names (arg, catch_breakpoint);
-#endif
-    }
-
-  if (!sals.nelts)
-    return;
-
-  save_arg = arg;
-  for (i = 0; i < sals.nelts; i++)
-    {
-      resolve_sal_pc (&sals.sals[i]);
-
-      while (arg && *arg)
-	{
-	  if (arg[0] == 'i' && arg[1] == 'f'
-	      && (arg[2] == ' ' || arg[2] == '\t'))
-	    cond = parse_exp_1 ((arg += 2, &arg),
-				block_for_pc (sals.sals[i].pc), 0);
-	  else
-	    error ("Junk at end of arguments.");
-	}
-      arg = save_arg;
-    }
-
-  for (i = 0; i < sals.nelts; i++)
-    {
-      sal = sals.sals[i];
-
-      if (from_tty)
-	describe_other_breakpoints (sal.pc, sal.section);
-
-      /* Important -- this is an ordinary breakpoint.  For platforms
-	 with callback support for exceptions,
-	 create_exception_catchpoint() will create special bp types
-	 (bp_catch_catch and bp_catch_throw), and there is code in
-	 insert_breakpoints() and elsewhere that depends on that. */
-      b = set_raw_breakpoint (sal, bp_breakpoint);
-      set_breakpoint_count (breakpoint_count + 1);
-      b->number = breakpoint_count;
-
-      b->cond = cond;
-      b->enable_state = bp_enabled;
-      b->disposition = tempflag ? disp_del : disp_donttouch;
-
-      mention (b);
-    }
-
-  if (sals.nelts > 1)
-    {
-      warning ("Multiple breakpoints were set.");
-      warning ("Use the \"delete\" command to delete unwanted breakpoints.");
-    }
-  xfree (sals.sals);
-}
-
-static void
-catch_command_1 (char *arg, int tempflag, int from_tty)
-{
-
-  /* The first argument may be an event name, such as "start" or "load".
-     If so, then handle it as such.  If it doesn't match an event name,
-     then attempt to interpret it as an exception name.  (This latter is
-     the v4.16-and-earlier GDB meaning of the "catch" command.)
-
-     First, try to find the bounds of what might be an event name. */
-  char *arg1_start = arg;
-  char *arg1_end;
-  int arg1_length;
-
-  if (arg1_start == NULL)
-    {
-      /* Old behaviour was to use pre-v-4.16 syntax */
-      /* catch_throw_command_1 (arg1_start, tempflag, from_tty); */
-      /* return; */
-      /* Now, this is not allowed */
-      error ("Catch requires an event name.");
-
-    }
-  arg1_end = ep_find_event_name_end (arg1_start);
-  if (arg1_end == NULL)
-    error ("catch requires an event");
-  arg1_length = arg1_end + 1 - arg1_start;
-
-  /* Try to match what we found against known event names. */
-  if (strncmp (arg1_start, "signal", arg1_length) == 0)
-    {
-      error ("Catch of signal not yet implemented");
-    }
-  else if (strncmp (arg1_start, "catch", arg1_length) == 0)
-    {
-      catch_exception_command_1 (EX_EVENT_CATCH, arg1_end + 1, 
-				 tempflag, from_tty);
-    }
-  else if (strncmp (arg1_start, "throw", arg1_length) == 0)
-    {
-      catch_exception_command_1 (EX_EVENT_THROW, arg1_end + 1, 
-				 tempflag, from_tty);
-    }
-  else if (strncmp (arg1_start, "thread_start", arg1_length) == 0)
-    {
-      error ("Catch of thread_start not yet implemented");
-    }
-  else if (strncmp (arg1_start, "thread_exit", arg1_length) == 0)
-    {
-      error ("Catch of thread_exit not yet implemented");
-    }
-  else if (strncmp (arg1_start, "thread_join", arg1_length) == 0)
-    {
-      error ("Catch of thread_join not yet implemented");
-    }
-  else if (strncmp (arg1_start, "start", arg1_length) == 0)
-    {
-      error ("Catch of start not yet implemented");
-    }
-  else if (strncmp (arg1_start, "exit", arg1_length) == 0)
-    {
-      error ("Catch of exit not yet implemented");
-    }
-  else if (strncmp (arg1_start, "fork", arg1_length) == 0)
-    {
-#if defined(CHILD_INSERT_FORK_CATCHPOINT)
-      catch_fork_command_1 (catch_fork, arg1_end + 1, tempflag, from_tty);
-#else
-      error ("Catch of fork not yet implemented");
-#endif
-    }
-  else if (strncmp (arg1_start, "vfork", arg1_length) == 0)
-    {
-#if defined(CHILD_INSERT_VFORK_CATCHPOINT)
-      catch_fork_command_1 (catch_vfork, arg1_end + 1, tempflag, from_tty);
-#else
-      error ("Catch of vfork not yet implemented");
-#endif
-    }
-  else if (strncmp (arg1_start, "exec", arg1_length) == 0)
-    {
-#if defined(CHILD_INSERT_EXEC_CATCHPOINT)
-      catch_exec_command_1 (arg1_end + 1, tempflag, from_tty);
-#else
-      error ("Catch of exec not yet implemented");
-#endif
-    }
-  else if (strncmp (arg1_start, "load", arg1_length) == 0)
-    {
-#if defined(SOLIB_ADD)
-      catch_load_command_1 (arg1_end + 1, tempflag, from_tty);
-#else
-      error ("Catch of load not implemented");
-#endif
-    }
-  else if (strncmp (arg1_start, "unload", arg1_length) == 0)
-    {
-#if defined(SOLIB_ADD)
-      catch_unload_command_1 (arg1_end + 1, tempflag, from_tty);
-#else
-      error ("Catch of load not implemented");
-#endif
-    }
-  else if (strncmp (arg1_start, "stop", arg1_length) == 0)
-    {
-      error ("Catch of stop not yet implemented");
-    }
-
-  /* This doesn't appear to be an event name */
-
-  else
-    {
-      /* Pre-v.4.16 behaviour was to treat the argument
-         as the name of an exception */
-      /* catch_throw_command_1 (arg1_start, tempflag, from_tty); */
-      /* Now this is not allowed */
-      error ("Unknown event kind specified for catch");
-
-    }
-}
-
-/* Used by the gui, could be made a worker for other things. */
-
-struct breakpoint *
-set_breakpoint_sal (struct symtab_and_line sal)
-{
-  struct breakpoint *b;
-  b = set_raw_breakpoint (sal, bp_breakpoint);
-  set_breakpoint_count (breakpoint_count + 1);
-  b->number = breakpoint_count;
-  b->cond = 0;
-  b->thread = -1;
-  return b;
-}
-
-#if 0
-/* These aren't used; I don't know what they were for.  */
-/* Disable breakpoints on all catch clauses described in ARGS.  */
-static void
-disable_catch (char *args)
-{
-  /* Map the disable command to catch clauses described in ARGS.  */
-}
-
-/* Enable breakpoints on all catch clauses described in ARGS.  */
-static void
-enable_catch (char *args)
-{
-  /* Map the disable command to catch clauses described in ARGS.  */
-}
-
-/* Delete breakpoints on all catch clauses in the active scope.  */
-static void
-delete_catch (char *args)
-{
-  /* Map the delete command to catch clauses described in ARGS.  */
-}
-#endif /* 0 */
-
-static void
-catch_command (char *arg, int from_tty)
-{
-  catch_command_1 (arg, 0, from_tty);
-}
-
-
-static void
-tcatch_command (char *arg, int from_tty)
-{
-  catch_command_1 (arg, 1, from_tty);
-}
-
-/* Delete breakpoints by address or line.  */
-
-static void
-clear_command (char *arg, int from_tty)
-{
-  struct breakpoint *b, *tmp, *prev, *found;
-  int default_match;
-  struct symtabs_and_lines sals;
-  struct symtab_and_line sal;
-  int i;
-
-  if (arg)
-    {
-      sals = decode_line_spec (arg, 1);
-      default_match = 0;
-    }
-  else
-    {
-      sals.sals = (struct symtab_and_line *)
-	xmalloc (sizeof (struct symtab_and_line));
-      make_cleanup (xfree, sals.sals);
-      INIT_SAL (&sal);		/* initialize to zeroes */
-      sal.line = default_breakpoint_line;
-      sal.symtab = default_breakpoint_symtab;
-      sal.pc = default_breakpoint_address;
-      if (sal.symtab == 0)
-	error ("No source file specified.");
-
-      sals.sals[0] = sal;
-      sals.nelts = 1;
-
-      default_match = 1;
-    }
-
-  /* For each line spec given, delete bps which correspond
-     to it.  Do it in two passes, solely to preserve the current
-     behavior that from_tty is forced true if we delete more than
-     one breakpoint.  */
-
-  found = NULL;
-  for (i = 0; i < sals.nelts; i++)
-    {
-      /* If exact pc given, clear bpts at that pc.
-         If line given (pc == 0), clear all bpts on specified line.
-         If defaulting, clear all bpts on default line
-         or at default pc.
-
-         defaulting    sal.pc != 0    tests to do
-
-         0              1             pc
-         1              1             pc _and_ line
-         0              0             line
-         1              0             <can't happen> */
-
-      sal = sals.sals[i];
-      prev = NULL;
-
-      /* Find all matching breakpoints, remove them from the
-	 breakpoint chain, and add them to the 'found' chain.  */
-      ALL_BREAKPOINTS_SAFE (b, tmp)
-	{
-	  /* Are we going to delete b? */
-	  if (b->type != bp_none
-	      && b->type != bp_watchpoint
-	      && b->type != bp_hardware_watchpoint
-	      && b->type != bp_read_watchpoint
-	      && b->type != bp_access_watchpoint
-	      /* Not if b is a watchpoint of any sort... */
-	      && (((sal.pc && (b->address == sal.pc)) 
-		   && (!section_is_overlay (b->section)
-		       || b->section == sal.section))
-		  /* Yes, if sal.pc matches b (modulo overlays).  */
-		  || ((default_match || (0 == sal.pc))
-		      && b->source_file != NULL
-		      && sal.symtab != NULL
-		      && STREQ (b->source_file, sal.symtab->filename)
-		      && b->line_number == sal.line)))
-	    /* Yes, if sal source file and line matches b.  */
-	    {
-	      /* Remove it from breakpoint_chain...  */
-	      if (b == breakpoint_chain)
-		{
-		  /* b is at the head of the list */
-		  breakpoint_chain = b->next;
-		}
-	      else
-		{
-		  prev->next = b->next;
-		}
-	      /* And add it to 'found' chain.  */
-	      b->next = found;
-	      found = b;
-	    }
-	  else
-	    {
-	      /* Keep b, and keep a pointer to it.  */
-	      prev = b;
-	    }
-	}
-    }
-  /* Now go thru the 'found' chain and delete them.  */
-  if (found == 0)
-    {
-      if (arg)
-	error ("No breakpoint at %s.", arg);
-      else
-	error ("No breakpoint at this line.");
-    }
-
-  if (found->next)
-    from_tty = 1;		/* Always report if deleted more than one */
-  if (from_tty)
-    printf_unfiltered ("Deleted breakpoint%s ", found->next ? "s" : "");
-  breakpoints_changed ();
-  while (found)
-    {
-      if (from_tty)
-	printf_unfiltered ("%d ", found->number);
-      tmp = found->next;
-      delete_breakpoint (found);
-      found = tmp;
-    }
-  if (from_tty)
-    putchar_unfiltered ('\n');
-}
-
-/* Delete breakpoint in BS if they are `delete' breakpoints and
-   all breakpoints that are marked for deletion, whether hit or not.
-   This is called after any breakpoint is hit, or after errors.  */
-
-void
-breakpoint_auto_delete (bpstat bs)
-{
-  struct breakpoint *b, *temp;
-
-  for (; bs; bs = bs->next)
-    if (bs->breakpoint_at && bs->breakpoint_at->disposition == disp_del
-	&& bs->stop)
-      delete_breakpoint (bs->breakpoint_at);
-
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    if (b->disposition == disp_del_at_next_stop)
-      delete_breakpoint (b);
-  }
-}
-
-/* Delete a breakpoint and clean up all traces of it in the data
-   structures. */
-
-void
-delete_breakpoint (struct breakpoint *bpt)
-{
-  register struct breakpoint *b;
-  register bpstat bs;
-
-  if (bpt == NULL)
-    error ("Internal error (attempted to delete a NULL breakpoint)");
-
-
-  /* Has this bp already been deleted?  This can happen because multiple
-     lists can hold pointers to bp's.  bpstat lists are especial culprits.
-
-     One example of this happening is a watchpoint's scope bp.  When the
-     scope bp triggers, we notice that the watchpoint is out of scope, and
-     delete it.  We also delete its scope bp.  But the scope bp is marked
-     "auto-deleting", and is already on a bpstat.  That bpstat is then
-     checked for auto-deleting bp's, which are deleted.
-
-     A real solution to this problem might involve reference counts in bp's,
-     and/or giving them pointers back to their referencing bpstat's, and
-     teaching delete_breakpoint to only free a bp's storage when no more
-     references were extent.  A cheaper bandaid was chosen. */
-  if (bpt->type == bp_none)
-    return;
-
-  if (delete_breakpoint_hook)
-    delete_breakpoint_hook (bpt);
-  breakpoint_delete_event (bpt->number);
-
-  if (bpt->inserted)
-    remove_breakpoint (bpt, mark_inserted);
-
-  if (breakpoint_chain == bpt)
-    breakpoint_chain = bpt->next;
-
-  /* If we have callback-style exception catchpoints, don't go through
-     the adjustments to the C++ runtime library etc. if the inferior
-     isn't actually running.  target_enable_exception_callback for a
-     null target ops vector gives an undesirable error message, so we
-     check here and avoid it. Since currently (1997-09-17) only HP-UX aCC's
-     exceptions are supported in this way, it's OK for now. FIXME */
-  if (ep_is_exception_catchpoint (bpt) && target_has_execution)
-    {
-      static char message1[] = "Error in deleting catchpoint %d:\n";
-      static char message[sizeof (message1) + 30];
-      args_for_catchpoint_enable args;
-
-      /* Format possible error msg */
-      sprintf (message, message1, bpt->number);
-      args.kind = bpt->type == bp_catch_catch ? 
-	EX_EVENT_CATCH : EX_EVENT_THROW;
-      args.enable_p = 0;
-      catch_errors (cover_target_enable_exception_callback, &args,
-		    message, RETURN_MASK_ALL);
-    }
-
-
-  ALL_BREAKPOINTS (b)
-    if (b->next == bpt)
-    {
-      b->next = bpt->next;
-      break;
-    }
-
-  check_duplicates (bpt);
-  /* If this breakpoint was inserted, and there is another breakpoint
-     at the same address, we need to insert the other breakpoint.  */
-  if (bpt->inserted
-      && bpt->type != bp_hardware_watchpoint
-      && bpt->type != bp_read_watchpoint
-      && bpt->type != bp_access_watchpoint
-      && bpt->type != bp_catch_fork
-      && bpt->type != bp_catch_vfork
-      && bpt->type != bp_catch_exec)
-    {
-      ALL_BREAKPOINTS (b)
-	if (b->address == bpt->address
-	    && b->section == bpt->section
-	    && !b->duplicate
-	    && b->enable_state != bp_disabled
-	    && b->enable_state != bp_shlib_disabled
-	    && b->enable_state != bp_call_disabled)
-	{
-	  int val;
-
-	  /* We should never reach this point if there is a permanent
-	     breakpoint at the same address as the one being deleted.
-	     If there is a permanent breakpoint somewhere, it should
-	     always be the only one inserted.  */
-	  if (b->enable_state == bp_permanent)
-	    internal_error (__FILE__, __LINE__,
-			    "another breakpoint was inserted on top of "
-			    "a permanent breakpoint");
-
-	  if (b->type == bp_hardware_breakpoint)
-	    val = target_insert_hw_breakpoint (b->address, b->shadow_contents);
-	  else
-	    val = target_insert_breakpoint (b->address, b->shadow_contents);
-
-	  /* If there was an error in the insert, print a message, then stop execution.  */
-	  if (val != 0)
-	    {
-	      struct ui_file *tmp_error_stream = mem_fileopen ();
-	      make_cleanup_ui_file_delete (tmp_error_stream);
-	     
-
-	      if (b->type == bp_hardware_breakpoint)
-		{
-		  fprintf_unfiltered (tmp_error_stream, 
-					"Cannot insert hardware breakpoint %d.\n"
-				      "You may have requested too many hardware breakpoints.\n",
-					b->number);
-		  }
-		else
-		  {
-		    fprintf_unfiltered (tmp_error_stream, "Cannot insert breakpoint %d.\n", b->number);
-		    fprintf_filtered (tmp_error_stream, "Error accessing memory address ");
-		    print_address_numeric (b->address, 1, tmp_error_stream);
-		    fprintf_filtered (tmp_error_stream, ": %s.\n",
-				      safe_strerror (val));
-		  }
-	      
-	      fprintf_unfiltered (tmp_error_stream,"The same program may be running in another process.");
-	      target_terminal_ours_for_output ();
-	      error_stream(tmp_error_stream); 
-	    }
-	  else
-	    b->inserted = 1;
-	}
-    }
-
-  free_command_lines (&bpt->commands);
-  if (bpt->cond)
-    xfree (bpt->cond);
-  if (bpt->cond_string != NULL)
-    xfree (bpt->cond_string);
-  if (bpt->addr_string != NULL)
-    xfree (bpt->addr_string);
-  if (bpt->exp != NULL)
-    xfree (bpt->exp);
-  if (bpt->exp_string != NULL)
-    xfree (bpt->exp_string);
-  if (bpt->val != NULL)
-    value_free (bpt->val);
-  if (bpt->source_file != NULL)
-    xfree (bpt->source_file);
-  if (bpt->dll_pathname != NULL)
-    xfree (bpt->dll_pathname);
-  if (bpt->triggered_dll_pathname != NULL)
-    xfree (bpt->triggered_dll_pathname);
-  if (bpt->exec_pathname != NULL)
-    xfree (bpt->exec_pathname);
-
-  /* Be sure no bpstat's are pointing at it after it's been freed.  */
-  /* FIXME, how can we find all bpstat's?
-     We just check stop_bpstat for now.  */
-  for (bs = stop_bpstat; bs; bs = bs->next)
-    if (bs->breakpoint_at == bpt)
-      {
-	bs->breakpoint_at = NULL;
-	bs->old_val = NULL;
-	/* bs->commands will be freed later.  */
-      }
-  /* On the chance that someone will soon try again to delete this same
-     bp, we mark it as deleted before freeing its storage. */
-  bpt->type = bp_none;
-
-  xfree (bpt);
-}
-
-static void
-do_delete_breakpoint_cleanup (void *b)
-{
-  delete_breakpoint (b);
-}
-
-struct cleanup *
-make_cleanup_delete_breakpoint (struct breakpoint *b)
-{
-  return make_cleanup (do_delete_breakpoint_cleanup, b);
-}
-
-struct cleanup *
-make_exec_cleanup_delete_breakpoint (struct breakpoint *b)
-{
-  return make_exec_cleanup (do_delete_breakpoint_cleanup, b);
-}
-
-void
-delete_command (char *arg, int from_tty)
-{
-  struct breakpoint *b, *temp;
-
-  dont_repeat ();
-
-  if (arg == 0)
-    {
-      int breaks_to_delete = 0;
-
-      /* Delete all breakpoints if no argument.
-         Do not delete internal or call-dummy breakpoints, these
-         have to be deleted with an explicit breakpoint number argument.  */
-      ALL_BREAKPOINTS (b)
-      {
-	if (b->type != bp_call_dummy &&
-	    b->type != bp_shlib_event &&
-	    b->type != bp_thread_event &&
-	    b->type != bp_overlay_event &&
-	    b->number >= 0)
-	  breaks_to_delete = 1;
-      }
-
-      /* Ask user only if there are some breakpoints to delete.  */
-      if (!from_tty
-	  || (breaks_to_delete && query ("Delete all breakpoints? ")))
-	{
-	  ALL_BREAKPOINTS_SAFE (b, temp)
-	  {
-	    if (b->type != bp_call_dummy &&
-		b->type != bp_shlib_event &&
-		b->type != bp_thread_event &&
-		b->type != bp_overlay_event &&
-		b->number >= 0)
-	      delete_breakpoint (b);
-	  }
-	}
-    }
-  else
-    map_breakpoint_numbers (arg, delete_breakpoint);
-}
-
-/* Reset a breakpoint given it's struct breakpoint * BINT.
-   The value we return ends up being the return value from catch_errors.
-   Unused in this case.  */
-
-static int
-breakpoint_re_set_one (PTR bint)
-{
-  /* get past catch_errs */
-  struct breakpoint *b = (struct breakpoint *) bint;
-  struct value *mark;
-  int i;
-  struct symtabs_and_lines sals;
-  char *s;
-  enum enable_state save_enable;
-
-  switch (b->type)
-    {
-    case bp_none:
-      warning ("attempted to reset apparently deleted breakpoint #%d?",
-	       b->number);
-      return 0;
-    case bp_breakpoint:
-    case bp_hardware_breakpoint:
-    case bp_catch_load:
-    case bp_catch_unload:
-      if (b->addr_string == NULL)
-	{
-	  /* Anything without a string can't be re-set. */
-	  delete_breakpoint (b);
-	  return 0;
-	}
-      /* HACK: cagney/2001-11-11: kettenis/2001-11-11: MarkK wrote:
-
-	 ``And a hack it is, although Apple's Darwin version of GDB
-	 contains an almost identical hack to implement a "future
-	 break" command.  It seems to work in many real world cases,
-	 but it is easy to come up with a test case where the patch
-	 doesn't help at all.''
-
-	 ``It seems that the way GDB implements breakpoints - in -
-	 shared - libraries was designed for a.out shared library
-	 systems (SunOS 4) where shared libraries were loaded at a
-	 fixed address in memory.  Since ELF shared libraries can (and
-	 will) be loaded at any address in memory, things break.
-	 Fixing this is not trivial.  Therefore, I'm not sure whether
-	 we should add this hack to the branch only.  I cannot
-	 guarantee that things will be fixed on the trunk in the near
-	 future.''
-
-         In case we have a problem, disable this breakpoint.  We'll
-         restore its status if we succeed.  Don't disable a
-         shlib_disabled breakpoint though.  There's a fair chance we
-         can't re-set it if the shared library it's in hasn't been
-         loaded yet.  */
-      save_enable = b->enable_state;
-      if (b->enable_state != bp_shlib_disabled)
-        b->enable_state = bp_disabled;
-
-      set_language (b->language);
-      input_radix = b->input_radix;
-      s = b->addr_string;
-      sals = decode_line_1 (&s, 1, (struct symtab *) NULL, 0, (char ***) NULL);
-      for (i = 0; i < sals.nelts; i++)
-	{
-	  resolve_sal_pc (&sals.sals[i]);
-
-	  /* Reparse conditions, they might contain references to the
-	     old symtab.  */
-	  if (b->cond_string != NULL)
-	    {
-	      s = b->cond_string;
-	      if (b->cond)
-		xfree (b->cond);
-	      b->cond = parse_exp_1 (&s, block_for_pc (sals.sals[i].pc), 0);
-	    }
-
-	  /* We need to re-set the breakpoint if the address changes... */
-	  if (b->address != sals.sals[i].pc
-	  /* ...or new and old breakpoints both have source files, and
-	     the source file name or the line number changes...  */
-	      || (b->source_file != NULL
-		  && sals.sals[i].symtab != NULL
-		  && (!STREQ (b->source_file, sals.sals[i].symtab->filename)
-		      || b->line_number != sals.sals[i].line)
-	      )
-	  /* ...or we switch between having a source file and not having
-	     one.  */
-	      || ((b->source_file == NULL) != (sals.sals[i].symtab == NULL))
-	    )
-	    {
-	      if (b->source_file != NULL)
-		xfree (b->source_file);
-	      if (sals.sals[i].symtab == NULL)
-		b->source_file = NULL;
-	      else
-		b->source_file =
-		  savestring (sals.sals[i].symtab->filename,
-			      strlen (sals.sals[i].symtab->filename));
-	      b->line_number = sals.sals[i].line;
-	      b->address = sals.sals[i].pc;
-
-	      /* Used to check for duplicates here, but that can
-	         cause trouble, as it doesn't check for disabled
-	         breakpoints. */
-
-	      mention (b);
-
-	      /* Might be better to do this just once per breakpoint_re_set,
-	         rather than once for every breakpoint.  */
-	      breakpoints_changed ();
-	    }
-	  b->section = sals.sals[i].section;
-	  b->enable_state = save_enable;	/* Restore it, this worked. */
-
-
-	  /* Now that this is re-enabled, check_duplicates
-	     can be used. */
-	  check_duplicates (b);
-
-	}
-      xfree (sals.sals);
-      break;
-
-    case bp_watchpoint:
-    case bp_hardware_watchpoint:
-    case bp_read_watchpoint:
-    case bp_access_watchpoint:
-      innermost_block = NULL;
-      /* The issue arises of what context to evaluate this in.  The
-         same one as when it was set, but what does that mean when
-         symbols have been re-read?  We could save the filename and
-         functionname, but if the context is more local than that, the
-         best we could do would be something like how many levels deep
-         and which index at that particular level, but that's going to
-         be less stable than filenames or function names.  */
-
-      /* So for now, just use a global context.  */
-      if (b->exp)
-	xfree (b->exp);
-      b->exp = parse_expression (b->exp_string);
-      b->exp_valid_block = innermost_block;
-      mark = value_mark ();
-      if (b->val)
-	value_free (b->val);
-      b->val = evaluate_expression (b->exp);
-      release_value (b->val);
-      if (VALUE_LAZY (b->val))
-	value_fetch_lazy (b->val);
-
-      if (b->cond_string != NULL)
-	{
-	  s = b->cond_string;
-	  if (b->cond)
-	    xfree (b->cond);
-	  b->cond = parse_exp_1 (&s, (struct block *) 0, 0);
-	}
-      if (b->enable_state == bp_enabled)
-	mention (b);
-      value_free_to_mark (mark);
-      break;
-    case bp_catch_catch:
-    case bp_catch_throw:
-      break;
-      /* We needn't really do anything to reset these, since the mask
-         that requests them is unaffected by e.g., new libraries being
-         loaded. */
-    case bp_catch_fork:
-    case bp_catch_vfork:
-    case bp_catch_exec:
-      break;
-
-    default:
-      printf_filtered ("Deleting unknown breakpoint type %d\n", b->type);
-      /* fall through */
-      /* Delete longjmp and overlay event breakpoints; they will be
-         reset later by breakpoint_re_set.  */
-    case bp_longjmp:
-    case bp_longjmp_resume:
-    case bp_overlay_event:
-      delete_breakpoint (b);
-      break;
-
-      /* This breakpoint is special, it's set up when the inferior
-         starts and we really don't want to touch it.  */
-    case bp_shlib_event:
-
-      /* Like bp_shlib_event, this breakpoint type is special.
-	 Once it is set up, we do not want to touch it.  */
-    case bp_thread_event:
-
-      /* Keep temporary breakpoints, which can be encountered when we step
-         over a dlopen call and SOLIB_ADD is resetting the breakpoints.
-         Otherwise these should have been blown away via the cleanup chain
-         or by breakpoint_init_inferior when we rerun the executable.  */
-    case bp_until:
-    case bp_finish:
-    case bp_watchpoint_scope:
-    case bp_call_dummy:
-    case bp_step_resume:
-      break;
-    }
-
-  return 0;
-}
-
-/* Re-set all breakpoints after symbols have been re-loaded.  */
-void
-breakpoint_re_set (void)
-{
-  struct breakpoint *b, *temp;
-  enum language save_language;
-  int save_input_radix;
-  static char message1[] = "Error in re-setting breakpoint %d:\n";
-  char message[sizeof (message1) + 30 /* slop */ ];
-
-  save_language = current_language->la_language;
-  save_input_radix = input_radix;
-  ALL_BREAKPOINTS_SAFE (b, temp)
-  {
-    /* Format possible error msg */
-    sprintf (message, message1, b->number);
-    catch_errors (breakpoint_re_set_one, b, message, RETURN_MASK_ALL);
-  }
-  set_language (save_language);
-  input_radix = save_input_radix;
-
-  if (GET_LONGJMP_TARGET_P ())
-    {
-      create_longjmp_breakpoint ("longjmp");
-      create_longjmp_breakpoint ("_longjmp");
-      create_longjmp_breakpoint ("siglongjmp");
-      create_longjmp_breakpoint ("_siglongjmp");
-      create_longjmp_breakpoint (NULL);
-    }
-  
-  create_overlay_event_breakpoint ("_ovly_debug_event");
-}
-
-/* Reset the thread number of this breakpoint:
-
-   - If the breakpoint is for all threads, leave it as-is.
-   - Else, reset it to the current thread for inferior_ptid. */
-void
-breakpoint_re_set_thread (struct breakpoint *b)
-{
-  if (b->thread != -1)
-    {
-      if (in_thread_list (inferior_ptid))
-	b->thread = pid_to_thread_id (inferior_ptid);
-    }
-}
-
-/* Set ignore-count of breakpoint number BPTNUM to COUNT.
-   If from_tty is nonzero, it prints a message to that effect,
-   which ends with a period (no newline).  */
-
-void
-set_ignore_count (int bptnum, int count, int from_tty)
-{
-  register struct breakpoint *b;
-
-  if (count < 0)
-    count = 0;
-
-  ALL_BREAKPOINTS (b)
-    if (b->number == bptnum)
-    {
-      b->ignore_count = count;
-      if (from_tty)
-	{
-	  if (count == 0)
-	    printf_filtered ("Will stop next time breakpoint %d is reached.",
-			     bptnum);
-	  else if (count == 1)
-	    printf_filtered ("Will ignore next crossing of breakpoint %d.",
-			     bptnum);
-	  else
-	    printf_filtered ("Will ignore next %d crossings of breakpoint %d.",
-			     count, bptnum);
-	}
-      breakpoints_changed ();
-      breakpoint_modify_event (b->number);
-      return;
-    }
-
-  error ("No breakpoint number %d.", bptnum);
-}
-
-/* Clear the ignore counts of all breakpoints.  */
-void
-breakpoint_clear_ignore_counts (void)
-{
-  struct breakpoint *b;
-
-  ALL_BREAKPOINTS (b)
-    b->ignore_count = 0;
-}
-
-/* Command to set ignore-count of breakpoint N to COUNT.  */
-
-static void
-ignore_command (char *args, int from_tty)
-{
-  char *p = args;
-  register int num;
-
-  if (p == 0)
-    error_no_arg ("a breakpoint number");
-
-  num = get_number (&p);
-  if (num == 0)
-    error ("bad breakpoint number: '%s'", args);
-  if (*p == 0)
-    error ("Second argument (specified ignore-count) is missing.");
-
-  set_ignore_count (num,
-		    longest_to_int (value_as_long (parse_and_eval (p))),
-		    from_tty);
-  if (from_tty)
-    printf_filtered ("\n");
-}
-
-/* Call FUNCTION on each of the breakpoints
-   whose numbers are given in ARGS.  */
-
-static void
-map_breakpoint_numbers (char *args, void (*function) (struct breakpoint *))
-{
-  register char *p = args;
-  char *p1;
-  register int num;
-  register struct breakpoint *b, *tmp;
-  int match;
-
-  if (p == 0)
-    error_no_arg ("one or more breakpoint numbers");
-
-  while (*p)
-    {
-      match = 0;
-      p1 = p;
-
-      num = get_number_or_range (&p1);
-      if (num == 0)
-	{
-	  warning ("bad breakpoint number at or near '%s'", p);
-	}
-      else
-	{
-	  ALL_BREAKPOINTS_SAFE (b, tmp)
-	    if (b->number == num)
-	      {
-		struct breakpoint *related_breakpoint = b->related_breakpoint;
-		match = 1;
-		function (b);
-		if (related_breakpoint)
-		  function (related_breakpoint);
-		break;
-	      }
-	  if (match == 0)
-	    printf_unfiltered ("No breakpoint number %d.\n", num);
-	}
-      p = p1;
-    }
-}
-
-/* Set ignore-count of breakpoint number BPTNUM to COUNT.
-   If from_tty is nonzero, it prints a message to that effect,
-   which ends with a period (no newline).  */
-
-void
-disable_breakpoint (struct breakpoint *bpt)
-{
-  /* Never disable a watchpoint scope breakpoint; we want to
-     hit them when we leave scope so we can delete both the
-     watchpoint and its scope breakpoint at that time.  */
-  if (bpt->type == bp_watchpoint_scope)
-    return;
-
-  /* You can't disable permanent breakpoints.  */
-  if (bpt->enable_state == bp_permanent)
-    return;
-
-  bpt->enable_state = bp_disabled;
-
-  check_duplicates (bpt);
-
-  if (modify_breakpoint_hook)
-    modify_breakpoint_hook (bpt);
-  breakpoint_modify_event (bpt->number);
-}
-
-/* ARGSUSED */
-static void
-disable_command (char *args, int from_tty)
-{
-  register struct breakpoint *bpt;
-  if (args == 0)
-    ALL_BREAKPOINTS (bpt)
-      switch (bpt->type)
-      {
-      case bp_none:
-	warning ("attempted to disable apparently deleted breakpoint #%d?",
-		 bpt->number);
-	continue;
-      case bp_breakpoint:
-      case bp_catch_load:
-      case bp_catch_unload:
-      case bp_catch_fork:
-      case bp_catch_vfork:
-      case bp_catch_exec:
-      case bp_catch_catch:
-      case bp_catch_throw:
-      case bp_hardware_breakpoint:
-      case bp_watchpoint:
-      case bp_hardware_watchpoint:
-      case bp_read_watchpoint:
-      case bp_access_watchpoint:
-	disable_breakpoint (bpt);
-      default:
-	continue;
-      }
-  else
-    map_breakpoint_numbers (args, disable_breakpoint);
-}
-
-static void
-do_enable_breakpoint (struct breakpoint *bpt, enum bpdisp disposition)
-{
-  struct frame_info *save_selected_frame = NULL;
-  int save_selected_frame_level = -1;
-  int target_resources_ok, other_type_used;
-  struct value *mark;
-
-  if (bpt->type == bp_hardware_breakpoint)
-    {
-      int i;
-      i = hw_breakpoint_used_count ();
-      target_resources_ok = 
-	TARGET_CAN_USE_HARDWARE_WATCHPOINT (bp_hardware_breakpoint, 
-					    i + 1, 0);
-      if (target_resources_ok == 0)
-	error ("No hardware breakpoint support in the target.");
-      else if (target_resources_ok < 0)
-	error ("Hardware breakpoints used exceeds limit.");
-    }
-
-  if (bpt->enable_state != bp_permanent)
-    bpt->enable_state = bp_enabled;
-  bpt->disposition = disposition;
-  check_duplicates (bpt);
-  breakpoints_changed ();
-
-  if (bpt->type == bp_watchpoint || 
-      bpt->type == bp_hardware_watchpoint ||
-      bpt->type == bp_read_watchpoint || 
-      bpt->type == bp_access_watchpoint)
-    {
-      if (bpt->exp_valid_block != NULL)
-	{
-	  struct frame_info *fr =
-	  fr = frame_find_by_id (bpt->watchpoint_frame);
-	  if (fr == NULL)
-	    {
-	      printf_filtered ("\
-Cannot enable watchpoint %d because the block in which its expression\n\
-is valid is not currently in scope.\n", bpt->number);
-	      bpt->enable_state = bp_disabled;
-	      return;
-	    }
-
-	  save_selected_frame = selected_frame;
-	  save_selected_frame_level = frame_relative_level (selected_frame);
-	  select_frame (fr);
-	}
-
-      value_free (bpt->val);
-      mark = value_mark ();
-      bpt->val = evaluate_expression (bpt->exp);
-      release_value (bpt->val);
-      if (VALUE_LAZY (bpt->val))
-	value_fetch_lazy (bpt->val);
-
-      if (bpt->type == bp_hardware_watchpoint ||
-	  bpt->type == bp_read_watchpoint ||
-	  bpt->type == bp_access_watchpoint)
-	{
-	  int i = hw_watchpoint_used_count (bpt->type, &other_type_used);
-	  int mem_cnt = can_use_hardware_watchpoint (bpt->val);
-
-	  /* Hack around 'unused var' error for some targets here */
-	  (void) mem_cnt, i;
-	  target_resources_ok = TARGET_CAN_USE_HARDWARE_WATCHPOINT (
-				   bpt->type, i + mem_cnt, other_type_used);
-	  /* we can consider of type is bp_hardware_watchpoint, convert to 
-	     bp_watchpoint in the following condition */
-	  if (target_resources_ok < 0)
-	    {
-	      printf_filtered ("\
-Cannot enable watchpoint %d because target watch resources\n\
-have been allocated for other watchpoints.\n", bpt->number);
-	      bpt->enable_state = bp_disabled;
-	      value_free_to_mark (mark);
-	      return;
-	    }
-	}
-
-      if (save_selected_frame_level >= 0)
-	select_frame (save_selected_frame);
-      value_free_to_mark (mark);
-    }
-  if (modify_breakpoint_hook)
-    modify_breakpoint_hook (bpt);
-  breakpoint_modify_event (bpt->number);
-}
-
-void
-enable_breakpoint (struct breakpoint *bpt)
-{
-  do_enable_breakpoint (bpt, bpt->disposition);
-}
-
-/* The enable command enables the specified breakpoints (or all defined
-   breakpoints) so they once again become (or continue to be) effective
-   in stopping the inferior. */
-
-/* ARGSUSED */
-static void
-enable_command (char *args, int from_tty)
-{
-  register struct breakpoint *bpt;
-  if (args == 0)
-    ALL_BREAKPOINTS (bpt)
-      switch (bpt->type)
-      {
-      case bp_none:
-	warning ("attempted to enable apparently deleted breakpoint #%d?",
-		 bpt->number);
-	continue;
-      case bp_breakpoint:
-      case bp_catch_load:
-      case bp_catch_unload:
-      case bp_catch_fork:
-      case bp_catch_vfork:
-      case bp_catch_exec:
-      case bp_catch_catch:
-      case bp_catch_throw:
-      case bp_hardware_breakpoint:
-      case bp_watchpoint:
-      case bp_hardware_watchpoint:
-      case bp_read_watchpoint:
-      case bp_access_watchpoint:
-	enable_breakpoint (bpt);
-      default:
-	continue;
-      }
-  else
-    map_breakpoint_numbers (args, enable_breakpoint);
-}
-
-static void
-enable_once_breakpoint (struct breakpoint *bpt)
-{
-  do_enable_breakpoint (bpt, disp_disable);
-}
-
-/* ARGSUSED */
-static void
-enable_once_command (char *args, int from_tty)
-{
-  map_breakpoint_numbers (args, enable_once_breakpoint);
-}
-
-static void
-enable_delete_breakpoint (struct breakpoint *bpt)
-{
-  do_enable_breakpoint (bpt, disp_del);
-}
-
-/* ARGSUSED */
-static void
-enable_delete_command (char *args, int from_tty)
-{
-  map_breakpoint_numbers (args, enable_delete_breakpoint);
-}
-
-/* Use default_breakpoint_'s, or nothing if they aren't valid.  */
-
-struct symtabs_and_lines
-decode_line_spec_1 (char *string, int funfirstline)
-{
-  struct symtabs_and_lines sals;
-  if (string == 0)
-    error ("Empty line specification.");
-  if (default_breakpoint_valid)
-    sals = decode_line_1 (&string, funfirstline,
-			  default_breakpoint_symtab,
-			  default_breakpoint_line,
-			  (char ***) NULL);
-  else
-    sals = decode_line_1 (&string, funfirstline,
-			  (struct symtab *) NULL, 0, (char ***) NULL);
-  if (*string)
-    error ("Junk at end of line specification: %s", string);
-  return sals;
-}
-
-void
-_initialize_breakpoint (void)
-{
-  struct cmd_list_element *c;
-
-  breakpoint_chain = 0;
-  /* Don't bother to call set_breakpoint_count.  $bpnum isn't useful
-     before a breakpoint is set.  */
-  breakpoint_count = 0;
-
-  add_com ("ignore", class_breakpoint, ignore_command,
-	   "Set ignore-count of breakpoint number N to COUNT.\n\
-Usage is `ignore N COUNT'.");
-  if (xdb_commands)
-    add_com_alias ("bc", "ignore", class_breakpoint, 1);
-
-  add_com ("commands", class_breakpoint, commands_command,
-	   "Set commands to be executed when a breakpoint is hit.\n\
-Give breakpoint number as argument after \"commands\".\n\
-With no argument, the targeted breakpoint is the last one set.\n\
-The commands themselves follow starting on the next line.\n\
-Type a line containing \"end\" to indicate the end of them.\n\
-Give \"silent\" as the first line to make the breakpoint silent;\n\
-then no output is printed when it is hit, except what the commands print.");
-
-  add_com ("condition", class_breakpoint, condition_command,
-	   "Specify breakpoint number N to break only if COND is true.\n\
-Usage is `condition N COND', where N is an integer and COND is an\n\
-expression to be evaluated whenever breakpoint N is reached.");
-
-  c = add_com ("tbreak", class_breakpoint, tbreak_command,
-	       "Set a temporary breakpoint.  Args like \"break\" command.\n\
-Like \"break\" except the breakpoint is only temporary,\n\
-so it will be deleted when hit.  Equivalent to \"break\" followed\n\
-by using \"enable delete\" on the breakpoint number.");
-  set_cmd_completer (c, location_completer);
-
-  c = add_com ("hbreak", class_breakpoint, hbreak_command,
-	       "Set a hardware assisted  breakpoint. Args like \"break\" command.\n\
-Like \"break\" except the breakpoint requires hardware support,\n\
-some target hardware may not have this support.");
-  set_cmd_completer (c, location_completer);
-
-  c = add_com ("thbreak", class_breakpoint, thbreak_command,
-	       "Set a temporary hardware assisted breakpoint. Args like \"break\" command.\n\
-Like \"hbreak\" except the breakpoint is only temporary,\n\
-so it will be deleted when hit.");
-  set_cmd_completer (c, location_completer);
-
-  add_prefix_cmd ("enable", class_breakpoint, enable_command,
-		  "Enable some breakpoints.\n\
-Give breakpoint numbers (separated by spaces) as arguments.\n\
-With no subcommand, breakpoints are enabled until you command otherwise.\n\
-This is used to cancel the effect of the \"disable\" command.\n\
-With a subcommand you can enable temporarily.",
-		  &enablelist, "enable ", 1, &cmdlist);
-  if (xdb_commands)
-    add_com ("ab", class_breakpoint, enable_command,
-	     "Enable some breakpoints.\n\
-Give breakpoint numbers (separated by spaces) as arguments.\n\
-With no subcommand, breakpoints are enabled until you command otherwise.\n\
-This is used to cancel the effect of the \"disable\" command.\n\
-With a subcommand you can enable temporarily.");
-
-  add_com_alias ("en", "enable", class_breakpoint, 1);
-
-  add_abbrev_prefix_cmd ("breakpoints", class_breakpoint, enable_command,
-			 "Enable some breakpoints.\n\
-Give breakpoint numbers (separated by spaces) as arguments.\n\
-This is used to cancel the effect of the \"disable\" command.\n\
-May be abbreviated to simply \"enable\".\n",
-		   &enablebreaklist, "enable breakpoints ", 1, &enablelist);
-
-  add_cmd ("once", no_class, enable_once_command,
-	   "Enable breakpoints for one hit.  Give breakpoint numbers.\n\
-If a breakpoint is hit while enabled in this fashion, it becomes disabled.",
-	   &enablebreaklist);
-
-  add_cmd ("delete", no_class, enable_delete_command,
-	   "Enable breakpoints and delete when hit.  Give breakpoint numbers.\n\
-If a breakpoint is hit while enabled in this fashion, it is deleted.",
-	   &enablebreaklist);
-
-  add_cmd ("delete", no_class, enable_delete_command,
-	   "Enable breakpoints and delete when hit.  Give breakpoint numbers.\n\
-If a breakpoint is hit while enabled in this fashion, it is deleted.",
-	   &enablelist);
-
-  add_cmd ("once", no_class, enable_once_command,
-	   "Enable breakpoints for one hit.  Give breakpoint numbers.\n\
-If a breakpoint is hit while enabled in this fashion, it becomes disabled.",
-	   &enablelist);
-
-  add_prefix_cmd ("disable", class_breakpoint, disable_command,
-		  "Disable some breakpoints.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To disable all breakpoints, give no argument.\n\
-A disabled breakpoint is not forgotten, but has no effect until reenabled.",
-		  &disablelist, "disable ", 1, &cmdlist);
-  add_com_alias ("dis", "disable", class_breakpoint, 1);
-  add_com_alias ("disa", "disable", class_breakpoint, 1);
-  if (xdb_commands)
-    add_com ("sb", class_breakpoint, disable_command,
-	     "Disable some breakpoints.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To disable all breakpoints, give no argument.\n\
-A disabled breakpoint is not forgotten, but has no effect until reenabled.");
-
-  add_cmd ("breakpoints", class_alias, disable_command,
-	   "Disable some breakpoints.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To disable all breakpoints, give no argument.\n\
-A disabled breakpoint is not forgotten, but has no effect until reenabled.\n\
-This command may be abbreviated \"disable\".",
-	   &disablelist);
-
-  add_prefix_cmd ("delete", class_breakpoint, delete_command,
-		  "Delete some breakpoints or auto-display expressions.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To delete all breakpoints, give no argument.\n\
-\n\
-Also a prefix command for deletion of other GDB objects.\n\
-The \"unset\" command is also an alias for \"delete\".",
-		  &deletelist, "delete ", 1, &cmdlist);
-  add_com_alias ("d", "delete", class_breakpoint, 1);
-  if (xdb_commands)
-    add_com ("db", class_breakpoint, delete_command,
-	     "Delete some breakpoints.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To delete all breakpoints, give no argument.\n");
-
-  add_cmd ("breakpoints", class_alias, delete_command,
-	   "Delete some breakpoints or auto-display expressions.\n\
-Arguments are breakpoint numbers with spaces in between.\n\
-To delete all breakpoints, give no argument.\n\
-This command may be abbreviated \"delete\".",
-	   &deletelist);
-
-  add_com ("clear", class_breakpoint, clear_command,
-	   concat ("Clear breakpoint at specified line or function.\n\
-Argument may be line number, function name, or \"*\" and an address.\n\
-If line number is specified, all breakpoints in that line are cleared.\n\
-If function is specified, breakpoints at beginning of function are cleared.\n\
-If an address is specified, breakpoints at that address are cleared.\n\n",
-		   "With no argument, clears all breakpoints in the line that the selected frame\n\
-is executing in.\n\
-\n\
-See also the \"delete\" command which clears breakpoints by number.", NULL));
-
-  c = add_com ("break", class_breakpoint, break_command,
-	       concat ("Set breakpoint at specified line or function.\n\
-Argument may be line number, function name, or \"*\" and an address.\n\
-If line number is specified, break at start of code for that line.\n\
-If function is specified, break at start of code for that function.\n\
-If an address is specified, break at that exact address.\n",
-		   "With no arg, uses current execution address of selected stack frame.\n\
-This is useful for breaking on return to a stack frame.\n\
-\n\
-Multiple breakpoints at one place are permitted, and useful if conditional.\n\
-\n\
-Do \"help breakpoints\" for info on other commands dealing with breakpoints.", NULL));
-  set_cmd_completer (c, location_completer);
-
-  add_com_alias ("b", "break", class_run, 1);
-  add_com_alias ("br", "break", class_run, 1);
-  add_com_alias ("bre", "break", class_run, 1);
-  add_com_alias ("brea", "break", class_run, 1);
-
- if (xdb_commands)
-    {
-      add_com_alias ("ba", "break", class_breakpoint, 1);
-      add_com_alias ("bu", "ubreak", class_breakpoint, 1);
-    }
-
-  if (dbx_commands)
-    {
-      add_abbrev_prefix_cmd ("stop", class_breakpoint, stop_command,
-	"Break in function/address or break at a line in the current file.",
-			     &stoplist, "stop ", 1, &cmdlist);
-      add_cmd ("in", class_breakpoint, stopin_command,
-	       "Break in function or address.\n", &stoplist);
-      add_cmd ("at", class_breakpoint, stopat_command,
-	       "Break at a line in the current file.\n", &stoplist);
-      add_com ("status", class_info, breakpoints_info,
-	       concat ("Status of user-settable breakpoints, or breakpoint number NUMBER.\n\
-The \"Type\" column indicates one of:\n\
-\tbreakpoint     - normal breakpoint\n\
-\twatchpoint     - watchpoint\n\
-The \"Disp\" column contains one of \"keep\", \"del\", or \"dis\" to indicate\n\
-the disposition of the breakpoint after it gets hit.  \"dis\" means that the\n\
-breakpoint will be disabled.  The \"Address\" and \"What\" columns indicate the\n\
-address and file/line number respectively.\n\n",
-		       "Convenience variable \"$_\" and default examine address for \"x\"\n\
-are set to the address of the last breakpoint listed.\n\n\
-Convenience variable \"$bpnum\" contains the number of the last\n\
-breakpoint set.", NULL));
-    }
-
-  add_info ("breakpoints", breakpoints_info,
-	    concat ("Status of user-settable breakpoints, or breakpoint number NUMBER.\n\
-The \"Type\" column indicates one of:\n\
-\tbreakpoint     - normal breakpoint\n\
-\twatchpoint     - watchpoint\n\
-The \"Disp\" column contains one of \"keep\", \"del\", or \"dis\" to indicate\n\
-the disposition of the breakpoint after it gets hit.  \"dis\" means that the\n\
-breakpoint will be disabled.  The \"Address\" and \"What\" columns indicate the\n\
-address and file/line number respectively.\n\n",
-		    "Convenience variable \"$_\" and default examine address for \"x\"\n\
-are set to the address of the last breakpoint listed.\n\n\
-Convenience variable \"$bpnum\" contains the number of the last\n\
-breakpoint set.", NULL));
-
-  if (xdb_commands)
-    add_com ("lb", class_breakpoint, breakpoints_info,
-	     concat ("Status of user-settable breakpoints, or breakpoint number NUMBER.\n\
-The \"Type\" column indicates one of:\n\
-\tbreakpoint     - normal breakpoint\n\
-\twatchpoint     - watchpoint\n\
-The \"Disp\" column contains one of \"keep\", \"del\", or \"dis\" to indicate\n\
-the disposition of the breakpoint after it gets hit.  \"dis\" means that the\n\
-breakpoint will be disabled.  The \"Address\" and \"What\" columns indicate the\n\
-address and file/line number respectively.\n\n",
-		     "Convenience variable \"$_\" and default examine address for \"x\"\n\
-are set to the address of the last breakpoint listed.\n\n\
-Convenience variable \"$bpnum\" contains the number of the last\n\
-breakpoint set.", NULL));
-
-  add_cmd ("breakpoints", class_maintenance, maintenance_info_breakpoints,
-	   concat ("Status of all breakpoints, or breakpoint number NUMBER.\n\
-The \"Type\" column indicates one of:\n\
-\tbreakpoint     - normal breakpoint\n\
-\twatchpoint     - watchpoint\n\
-\tlongjmp        - internal breakpoint used to step through longjmp()\n\
-\tlongjmp resume - internal breakpoint at the target of longjmp()\n\
-\tuntil          - internal breakpoint used by the \"until\" command\n\
-\tfinish         - internal breakpoint used by the \"finish\" command\n",
-		   "The \"Disp\" column contains one of \"keep\", \"del\", or \"dis\" to indicate\n\
-the disposition of the breakpoint after it gets hit.  \"dis\" means that the\n\
-breakpoint will be disabled.  The \"Address\" and \"What\" columns indicate the\n\
-address and file/line number respectively.\n\n",
-		   "Convenience variable \"$_\" and default examine address for \"x\"\n\
-are set to the address of the last breakpoint listed.\n\n\
-Convenience variable \"$bpnum\" contains the number of the last\n\
-breakpoint set.", NULL),
-	   &maintenanceinfolist);
-
-  add_com ("catch", class_breakpoint, catch_command,
-	   "Set catchpoints to catch events.\n\
-Raised signals may be caught:\n\
-\tcatch signal              - all signals\n\
-\tcatch signal <signame>    - a particular signal\n\
-Raised exceptions may be caught:\n\
-\tcatch throw               - all exceptions, when thrown\n\
-\tcatch throw <exceptname>  - a particular exception, when thrown\n\
-\tcatch catch               - all exceptions, when caught\n\
-\tcatch catch <exceptname>  - a particular exception, when caught\n\
-Thread or process events may be caught:\n\
-\tcatch thread_start        - any threads, just after creation\n\
-\tcatch thread_exit         - any threads, just before expiration\n\
-\tcatch thread_join         - any threads, just after joins\n\
-Process events may be caught:\n\
-\tcatch start               - any processes, just after creation\n\
-\tcatch exit                - any processes, just before expiration\n\
-\tcatch fork                - calls to fork()\n\
-\tcatch vfork               - calls to vfork()\n\
-\tcatch exec                - calls to exec()\n\
-Dynamically-linked library events may be caught:\n\
-\tcatch load                - loads of any library\n\
-\tcatch load <libname>      - loads of a particular library\n\
-\tcatch unload              - unloads of any library\n\
-\tcatch unload <libname>    - unloads of a particular library\n\
-The act of your program's execution stopping may also be caught:\n\
-\tcatch stop\n\n\
-C++ exceptions may be caught:\n\
-\tcatch throw               - all exceptions, when thrown\n\
-\tcatch catch               - all exceptions, when caught\n\
-\n\
-Do \"help set follow-fork-mode\" for info on debugging your program\n\
-after a fork or vfork is caught.\n\n\
-Do \"help breakpoints\" for info on other commands dealing with breakpoints.");
-
-  add_com ("tcatch", class_breakpoint, tcatch_command,
-	   "Set temporary catchpoints to catch events.\n\
-Args like \"catch\" command.\n\
-Like \"catch\" except the catchpoint is only temporary,\n\
-so it will be deleted when hit.  Equivalent to \"catch\" followed\n\
-by using \"enable delete\" on the catchpoint number.");
-
-  c = add_com ("watch", class_breakpoint, watch_command,
-	       "Set a watchpoint for an expression.\n\
-A watchpoint stops execution of your program whenever the value of\n\
-an expression changes.");
-  set_cmd_completer (c, location_completer);
-
-  c = add_com ("rwatch", class_breakpoint, rwatch_command,
-	       "Set a read watchpoint for an expression.\n\
-A watchpoint stops execution of your program whenever the value of\n\
-an expression is read.");
-  set_cmd_completer (c, location_completer);
-
-  c = add_com ("awatch", class_breakpoint, awatch_command,
-	       "Set a watchpoint for an expression.\n\
-A watchpoint stops execution of your program whenever the value of\n\
-an expression is either read or written.");
-  set_cmd_completer (c, location_completer);
-
-  add_info ("watchpoints", breakpoints_info,
-	    "Synonym for ``info breakpoints''.");
-
-
-  c = add_set_cmd ("can-use-hw-watchpoints", class_support, var_zinteger,
-		   (char *) &can_use_hw_watchpoints,
-		   "Set debugger's willingness to use watchpoint hardware.\n\
-If zero, gdb will not use hardware for new watchpoints, even if\n\
-such is available.  (However, any hardware watchpoints that were\n\
-created before setting this to nonzero, will continue to use watchpoint\n\
-hardware.)",
-		   &setlist);
-  add_show_from_set (c, &showlist);
-
-  can_use_hw_watchpoints = 1;
-}
author	nobody <>	2002-09-07 00:00:05 +0000
committer	nobody <>	2002-09-07 00:00:05 +0000
commit	c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
tree	a98633075cd1f2b034b49446e83e522708d11f68 /gdb/breakpoint.c
parent	2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
download	gdb-sid-20020905-branch.zip gdb-sid-20020905-branch.tar.gz gdb-sid-20020905-branch.tar.bz2