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/rs6000-tdep.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, 2985 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
deleted file mode 100644
index f661861..0000000
--- a/gdb/rs6000-tdep.c
+++ /dev/null
@@ -1,2985 +0,0 @@
-/* Target-dependent code for GDB, the GNU debugger.
-   Copyright 1986, 1987, 1989, 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 "frame.h"
-#include "inferior.h"
-#include "symtab.h"
-#include "target.h"
-#include "gdbcore.h"
-#include "gdbcmd.h"
-#include "symfile.h"
-#include "objfiles.h"
-#include "arch-utils.h"
-#include "regcache.h"
-#include "doublest.h"
-#include "value.h"
-#include "parser-defs.h"
-
-#include "libbfd.h"		/* for bfd_default_set_arch_mach */
-#include "coff/internal.h"	/* for libcoff.h */
-#include "libcoff.h"		/* for xcoff_data */
-#include "coff/xcoff.h"
-#include "libxcoff.h"
-
-#include "elf-bfd.h"
-
-#include "solib-svr4.h"
-#include "ppc-tdep.h"
-
-/* If the kernel has to deliver a signal, it pushes a sigcontext
-   structure on the stack and then calls the signal handler, passing
-   the address of the sigcontext in an argument register. Usually
-   the signal handler doesn't save this register, so we have to
-   access the sigcontext structure via an offset from the signal handler
-   frame.
-   The following constants were determined by experimentation on AIX 3.2.  */
-#define SIG_FRAME_PC_OFFSET 96
-#define SIG_FRAME_LR_OFFSET 108
-#define SIG_FRAME_FP_OFFSET 284
-
-/* To be used by skip_prologue. */
-
-struct rs6000_framedata
-  {
-    int offset;			/* total size of frame --- the distance
-				   by which we decrement sp to allocate
-				   the frame */
-    int saved_gpr;		/* smallest # of saved gpr */
-    int saved_fpr;		/* smallest # of saved fpr */
-    int saved_vr;               /* smallest # of saved vr */
-    int saved_ev;               /* smallest # of saved ev */
-    int alloca_reg;		/* alloca register number (frame ptr) */
-    char frameless;		/* true if frameless functions. */
-    char nosavedpc;		/* true if pc not saved. */
-    int gpr_offset;		/* offset of saved gprs from prev sp */
-    int fpr_offset;		/* offset of saved fprs from prev sp */
-    int vr_offset;              /* offset of saved vrs from prev sp */
-    int ev_offset;              /* offset of saved evs from prev sp */
-    int lr_offset;		/* offset of saved lr */
-    int cr_offset;		/* offset of saved cr */
-    int vrsave_offset;          /* offset of saved vrsave register */
-  };
-
-/* Description of a single register. */
-
-struct reg
-  {
-    char *name;			/* name of register */
-    unsigned char sz32;		/* size on 32-bit arch, 0 if nonextant */
-    unsigned char sz64;		/* size on 64-bit arch, 0 if nonextant */
-    unsigned char fpr;		/* whether register is floating-point */
-    unsigned char pseudo;       /* whether register is pseudo */
-  };
-
-/* Breakpoint shadows for the single step instructions will be kept here. */
-
-static struct sstep_breaks
-  {
-    /* Address, or 0 if this is not in use.  */
-    CORE_ADDR address;
-    /* Shadow contents.  */
-    char data[4];
-  }
-stepBreaks[2];
-
-/* Hook for determining the TOC address when calling functions in the
-   inferior under AIX. The initialization code in rs6000-nat.c sets
-   this hook to point to find_toc_address.  */
-
-CORE_ADDR (*rs6000_find_toc_address_hook) (CORE_ADDR) = NULL;
-
-/* Hook to set the current architecture when starting a child process. 
-   rs6000-nat.c sets this. */
-
-void (*rs6000_set_host_arch_hook) (int) = NULL;
-
-/* Static function prototypes */
-
-static CORE_ADDR branch_dest (int opcode, int instr, CORE_ADDR pc,
-			      CORE_ADDR safety);
-static CORE_ADDR skip_prologue (CORE_ADDR, CORE_ADDR,
-                                struct rs6000_framedata *);
-static void frame_get_saved_regs (struct frame_info * fi,
-				  struct rs6000_framedata * fdatap);
-static CORE_ADDR frame_initial_stack_address (struct frame_info *);
-
-/* Is REGNO an AltiVec register?  Return 1 if so, 0 otherwise.  */
-int
-altivec_register_p (int regno)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  if (tdep->ppc_vr0_regnum < 0 || tdep->ppc_vrsave_regnum < 0)
-    return 0;
-  else
-    return (regno >= tdep->ppc_vr0_regnum && regno <= tdep->ppc_vrsave_regnum);
-}
-
-/* Read a LEN-byte address from debugged memory address MEMADDR. */
-
-static CORE_ADDR
-read_memory_addr (CORE_ADDR memaddr, int len)
-{
-  return read_memory_unsigned_integer (memaddr, len);
-}
-
-static CORE_ADDR
-rs6000_skip_prologue (CORE_ADDR pc)
-{
-  struct rs6000_framedata frame;
-  pc = skip_prologue (pc, 0, &frame);
-  return pc;
-}
-
-
-/* Fill in fi->saved_regs */
-
-struct frame_extra_info
-{
-  /* Functions calling alloca() change the value of the stack
-     pointer. We need to use initial stack pointer (which is saved in
-     r31 by gcc) in such cases. If a compiler emits traceback table,
-     then we should use the alloca register specified in traceback
-     table. FIXME. */
-  CORE_ADDR initial_sp;		/* initial stack pointer. */
-};
-
-void
-rs6000_init_extra_frame_info (int fromleaf, struct frame_info *fi)
-{
-  fi->extra_info = (struct frame_extra_info *)
-    frame_obstack_alloc (sizeof (struct frame_extra_info));
-  fi->extra_info->initial_sp = 0;
-  if (fi->next != (CORE_ADDR) 0
-      && fi->pc < TEXT_SEGMENT_BASE)
-    /* We're in get_prev_frame */
-    /* and this is a special signal frame.  */
-    /* (fi->pc will be some low address in the kernel, */
-    /*  to which the signal handler returns).  */
-    fi->signal_handler_caller = 1;
-}
-
-/* Put here the code to store, into a struct frame_saved_regs,
-   the addresses of the saved registers of frame described by FRAME_INFO.
-   This includes special registers such as pc and fp saved in special
-   ways in the stack frame.  sp is even more special:
-   the address we return for it IS the sp for the next frame.  */
-
-/* In this implementation for RS/6000, we do *not* save sp. I am
-   not sure if it will be needed. The following function takes care of gpr's
-   and fpr's only. */
-
-void
-rs6000_frame_init_saved_regs (struct frame_info *fi)
-{
-  frame_get_saved_regs (fi, NULL);
-}
-
-static CORE_ADDR
-rs6000_frame_args_address (struct frame_info *fi)
-{
-  if (fi->extra_info->initial_sp != 0)
-    return fi->extra_info->initial_sp;
-  else
-    return frame_initial_stack_address (fi);
-}
-
-/* Immediately after a function call, return the saved pc.
-   Can't go through the frames for this because on some machines
-   the new frame is not set up until the new function executes
-   some instructions.  */
-
-static CORE_ADDR
-rs6000_saved_pc_after_call (struct frame_info *fi)
-{
-  return read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
-}
-
-/* Calculate the destination of a branch/jump.  Return -1 if not a branch.  */
-
-static CORE_ADDR
-branch_dest (int opcode, int instr, CORE_ADDR pc, CORE_ADDR safety)
-{
-  CORE_ADDR dest;
-  int immediate;
-  int absolute;
-  int ext_op;
-
-  absolute = (int) ((instr >> 1) & 1);
-
-  switch (opcode)
-    {
-    case 18:
-      immediate = ((instr & ~3) << 6) >> 6;	/* br unconditional */
-      if (absolute)
-	dest = immediate;
-      else
-	dest = pc + immediate;
-      break;
-
-    case 16:
-      immediate = ((instr & ~3) << 16) >> 16;	/* br conditional */
-      if (absolute)
-	dest = immediate;
-      else
-	dest = pc + immediate;
-      break;
-
-    case 19:
-      ext_op = (instr >> 1) & 0x3ff;
-
-      if (ext_op == 16)		/* br conditional register */
-	{
-          dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum) & ~3;
-
-	  /* If we are about to return from a signal handler, dest is
-	     something like 0x3c90.  The current frame is a signal handler
-	     caller frame, upon completion of the sigreturn system call
-	     execution will return to the saved PC in the frame.  */
-	  if (dest < TEXT_SEGMENT_BASE)
-	    {
-	      struct frame_info *fi;
-
-	      fi = get_current_frame ();
-	      if (fi != NULL)
-		dest = read_memory_addr (fi->frame + SIG_FRAME_PC_OFFSET,
-					 gdbarch_tdep (current_gdbarch)->wordsize);
-	    }
-	}
-
-      else if (ext_op == 528)	/* br cond to count reg */
-	{
-          dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum) & ~3;
-
-	  /* If we are about to execute a system call, dest is something
-	     like 0x22fc or 0x3b00.  Upon completion the system call
-	     will return to the address in the link register.  */
-	  if (dest < TEXT_SEGMENT_BASE)
-            dest = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum) & ~3;
-	}
-      else
-	return -1;
-      break;
-
-    default:
-      return -1;
-    }
-  return (dest < TEXT_SEGMENT_BASE) ? safety : dest;
-}
-
-
-/* Sequence of bytes for breakpoint instruction.  */
-
-#define BIG_BREAKPOINT { 0x7d, 0x82, 0x10, 0x08 }
-#define LITTLE_BREAKPOINT { 0x08, 0x10, 0x82, 0x7d }
-
-const static unsigned char *
-rs6000_breakpoint_from_pc (CORE_ADDR *bp_addr, int *bp_size)
-{
-  static unsigned char big_breakpoint[] = BIG_BREAKPOINT;
-  static unsigned char little_breakpoint[] = LITTLE_BREAKPOINT;
-  *bp_size = 4;
-  if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-    return big_breakpoint;
-  else
-    return little_breakpoint;
-}
-
-
-/* AIX does not support PT_STEP. Simulate it. */
-
-void
-rs6000_software_single_step (enum target_signal signal,
-			     int insert_breakpoints_p)
-{
-  CORE_ADDR dummy;
-  int breakp_sz;
-  const char *breakp = rs6000_breakpoint_from_pc (&dummy, &breakp_sz);
-  int ii, insn;
-  CORE_ADDR loc;
-  CORE_ADDR breaks[2];
-  int opcode;
-
-  if (insert_breakpoints_p)
-    {
-
-      loc = read_pc ();
-
-      insn = read_memory_integer (loc, 4);
-
-      breaks[0] = loc + breakp_sz;
-      opcode = insn >> 26;
-      breaks[1] = branch_dest (opcode, insn, loc, breaks[0]);
-
-      /* Don't put two breakpoints on the same address. */
-      if (breaks[1] == breaks[0])
-	breaks[1] = -1;
-
-      stepBreaks[1].address = 0;
-
-      for (ii = 0; ii < 2; ++ii)
-	{
-
-	  /* ignore invalid breakpoint. */
-	  if (breaks[ii] == -1)
-	    continue;
-	  target_insert_breakpoint (breaks[ii], stepBreaks[ii].data);
-	  stepBreaks[ii].address = breaks[ii];
-	}
-
-    }
-  else
-    {
-
-      /* remove step breakpoints. */
-      for (ii = 0; ii < 2; ++ii)
-	if (stepBreaks[ii].address != 0)
-	  target_remove_breakpoint (stepBreaks[ii].address,
-				    stepBreaks[ii].data);
-    }
-  errno = 0;			/* FIXME, don't ignore errors! */
-  /* What errors?  {read,write}_memory call error().  */
-}
-
-
-/* return pc value after skipping a function prologue and also return
-   information about a function frame.
-
-   in struct rs6000_framedata fdata:
-   - frameless is TRUE, if function does not have a frame.
-   - nosavedpc is TRUE, if function does not save %pc value in its frame.
-   - offset is the initial size of this stack frame --- the amount by
-   which we decrement the sp to allocate the frame.
-   - saved_gpr is the number of the first saved gpr.
-   - saved_fpr is the number of the first saved fpr.
-   - saved_vr is the number of the first saved vr.
-   - saved_ev is the number of the first saved ev.
-   - alloca_reg is the number of the register used for alloca() handling.
-   Otherwise -1.
-   - gpr_offset is the offset of the first saved gpr from the previous frame.
-   - fpr_offset is the offset of the first saved fpr from the previous frame.
-   - vr_offset is the offset of the first saved vr from the previous frame.
-   - ev_offset is the offset of the first saved ev from the previous frame.
-   - lr_offset is the offset of the saved lr
-   - cr_offset is the offset of the saved cr
-   - vrsave_offset is the offset of the saved vrsave register
- */
-
-#define SIGNED_SHORT(x) 						\
-  ((sizeof (short) == 2)						\
-   ? ((int)(short)(x))							\
-   : ((int)((((x) & 0xffff) ^ 0x8000) - 0x8000)))
-
-#define GET_SRC_REG(x) (((x) >> 21) & 0x1f)
-
-/* Limit the number of skipped non-prologue instructions, as the examining
-   of the prologue is expensive.  */
-static int max_skip_non_prologue_insns = 10;
-
-/* Given PC representing the starting address of a function, and
-   LIM_PC which is the (sloppy) limit to which to scan when looking
-   for a prologue, attempt to further refine this limit by using
-   the line data in the symbol table.  If successful, a better guess
-   on where the prologue ends is returned, otherwise the previous
-   value of lim_pc is returned.  */
-static CORE_ADDR
-refine_prologue_limit (CORE_ADDR pc, CORE_ADDR lim_pc)
-{
-  struct symtab_and_line prologue_sal;
-
-  prologue_sal = find_pc_line (pc, 0);
-  if (prologue_sal.line != 0)
-    {
-      int i;
-      CORE_ADDR addr = prologue_sal.end;
-
-      /* Handle the case in which compiler's optimizer/scheduler
-         has moved instructions into the prologue.  We scan ahead
-	 in the function looking for address ranges whose corresponding
-	 line number is less than or equal to the first one that we
-	 found for the function.  (It can be less than when the
-	 scheduler puts a body instruction before the first prologue
-	 instruction.)  */
-      for (i = 2 * max_skip_non_prologue_insns; 
-           i > 0 && (lim_pc == 0 || addr < lim_pc);
-	   i--)
-        {
-	  struct symtab_and_line sal;
-
-	  sal = find_pc_line (addr, 0);
-	  if (sal.line == 0)
-	    break;
-	  if (sal.line <= prologue_sal.line 
-	      && sal.symtab == prologue_sal.symtab)
-	    {
-	      prologue_sal = sal;
-	    }
-	  addr = sal.end;
-	}
-
-      if (lim_pc == 0 || prologue_sal.end < lim_pc)
-	lim_pc = prologue_sal.end;
-    }
-  return lim_pc;
-}
-
-
-static CORE_ADDR
-skip_prologue (CORE_ADDR pc, CORE_ADDR lim_pc, struct rs6000_framedata *fdata)
-{
-  CORE_ADDR orig_pc = pc;
-  CORE_ADDR last_prologue_pc = pc;
-  CORE_ADDR li_found_pc = 0;
-  char buf[4];
-  unsigned long op;
-  long offset = 0;
-  long vr_saved_offset = 0;
-  int lr_reg = -1;
-  int cr_reg = -1;
-  int vr_reg = -1;
-  int ev_reg = -1;
-  long ev_offset = 0;
-  int vrsave_reg = -1;
-  int reg;
-  int framep = 0;
-  int minimal_toc_loaded = 0;
-  int prev_insn_was_prologue_insn = 1;
-  int num_skip_non_prologue_insns = 0;
-  const struct bfd_arch_info *arch_info = gdbarch_bfd_arch_info (current_gdbarch);
-  
-  /* Attempt to find the end of the prologue when no limit is specified.
-     Note that refine_prologue_limit() has been written so that it may
-     be used to "refine" the limits of non-zero PC values too, but this
-     is only safe if we 1) trust the line information provided by the
-     compiler and 2) iterate enough to actually find the end of the
-     prologue.  
-     
-     It may become a good idea at some point (for both performance and
-     accuracy) to unconditionally call refine_prologue_limit().  But,
-     until we can make a clear determination that this is beneficial,
-     we'll play it safe and only use it to obtain a limit when none
-     has been specified.  */
-  if (lim_pc == 0)
-    lim_pc = refine_prologue_limit (pc, lim_pc);
-
-  memset (fdata, 0, sizeof (struct rs6000_framedata));
-  fdata->saved_gpr = -1;
-  fdata->saved_fpr = -1;
-  fdata->saved_vr = -1;
-  fdata->saved_ev = -1;
-  fdata->alloca_reg = -1;
-  fdata->frameless = 1;
-  fdata->nosavedpc = 1;
-
-  for (;; pc += 4)
-    {
-      /* Sometimes it isn't clear if an instruction is a prologue
-         instruction or not.  When we encounter one of these ambiguous
-	 cases, we'll set prev_insn_was_prologue_insn to 0 (false).
-	 Otherwise, we'll assume that it really is a prologue instruction. */
-      if (prev_insn_was_prologue_insn)
-	last_prologue_pc = pc;
-
-      /* Stop scanning if we've hit the limit.  */
-      if (lim_pc != 0 && pc >= lim_pc)
-	break;
-
-      prev_insn_was_prologue_insn = 1;
-
-      /* Fetch the instruction and convert it to an integer.  */
-      if (target_read_memory (pc, buf, 4))
-	break;
-      op = extract_signed_integer (buf, 4);
-
-      if ((op & 0xfc1fffff) == 0x7c0802a6)
-	{			/* mflr Rx */
-	  lr_reg = (op & 0x03e00000) | 0x90010000;
-	  continue;
-
-	}
-      else if ((op & 0xfc1fffff) == 0x7c000026)
-	{			/* mfcr Rx */
-	  cr_reg = (op & 0x03e00000) | 0x90010000;
-	  continue;
-
-	}
-      else if ((op & 0xfc1f0000) == 0xd8010000)
-	{			/* stfd Rx,NUM(r1) */
-	  reg = GET_SRC_REG (op);
-	  if (fdata->saved_fpr == -1 || fdata->saved_fpr > reg)
-	    {
-	      fdata->saved_fpr = reg;
-	      fdata->fpr_offset = SIGNED_SHORT (op) + offset;
-	    }
-	  continue;
-
-	}
-      else if (((op & 0xfc1f0000) == 0xbc010000) ||	/* stm Rx, NUM(r1) */
-	       (((op & 0xfc1f0000) == 0x90010000 ||	/* st rx,NUM(r1) */
-		 (op & 0xfc1f0003) == 0xf8010000) &&	/* std rx,NUM(r1) */
-		(op & 0x03e00000) >= 0x01a00000))	/* rx >= r13 */
-	{
-
-	  reg = GET_SRC_REG (op);
-	  if (fdata->saved_gpr == -1 || fdata->saved_gpr > reg)
-	    {
-	      fdata->saved_gpr = reg;
-	      if ((op & 0xfc1f0003) == 0xf8010000)
-		op = (op >> 1) << 1;
-	      fdata->gpr_offset = SIGNED_SHORT (op) + offset;
-	    }
-	  continue;
-
-	}
-      else if ((op & 0xffff0000) == 0x60000000)
-        {
-	  /* nop */
-	  /* Allow nops in the prologue, but do not consider them to
-	     be part of the prologue unless followed by other prologue
-	     instructions. */
-	  prev_insn_was_prologue_insn = 0;
-	  continue;
-
-	}
-      else if ((op & 0xffff0000) == 0x3c000000)
-	{			/* addis 0,0,NUM, used
-				   for >= 32k frames */
-	  fdata->offset = (op & 0x0000ffff) << 16;
-	  fdata->frameless = 0;
-	  continue;
-
-	}
-      else if ((op & 0xffff0000) == 0x60000000)
-	{			/* ori 0,0,NUM, 2nd ha
-				   lf of >= 32k frames */
-	  fdata->offset |= (op & 0x0000ffff);
-	  fdata->frameless = 0;
-	  continue;
-
-	}
-      else if (lr_reg != -1 && (op & 0xffff0000) == lr_reg)
-	{			/* st Rx,NUM(r1) 
-				   where Rx == lr */
-	  fdata->lr_offset = SIGNED_SHORT (op) + offset;
-	  fdata->nosavedpc = 0;
-	  lr_reg = 0;
-	  continue;
-
-	}
-      else if (cr_reg != -1 && (op & 0xffff0000) == cr_reg)
-	{			/* st Rx,NUM(r1) 
-				   where Rx == cr */
-	  fdata->cr_offset = SIGNED_SHORT (op) + offset;
-	  cr_reg = 0;
-	  continue;
-
-	}
-      else if (op == 0x48000005)
-	{			/* bl .+4 used in 
-				   -mrelocatable */
-	  continue;
-
-	}
-      else if (op == 0x48000004)
-	{			/* b .+4 (xlc) */
-	  break;
-
-	}
-      else if ((op & 0xffff0000) == 0x3fc00000 ||  /* addis 30,0,foo@ha, used
-						      in V.4 -mminimal-toc */
-	       (op & 0xffff0000) == 0x3bde0000)
-	{			/* addi 30,30,foo@l */
-	  continue;
-
-	}
-      else if ((op & 0xfc000001) == 0x48000001)
-	{			/* bl foo, 
-				   to save fprs??? */
-
-	  fdata->frameless = 0;
-	  /* Don't skip over the subroutine call if it is not within
-	     the first three instructions of the prologue.  */
-	  if ((pc - orig_pc) > 8)
-	    break;
-
-	  op = read_memory_integer (pc + 4, 4);
-
-	  /* At this point, make sure this is not a trampoline
-	     function (a function that simply calls another functions,
-	     and nothing else).  If the next is not a nop, this branch
-	     was part of the function prologue. */
-
-	  if (op == 0x4def7b82 || op == 0)	/* crorc 15, 15, 15 */
-	    break;		/* don't skip over 
-				   this branch */
-	  continue;
-
-	  /* update stack pointer */
-	}
-      else if ((op & 0xffff0000) == 0x94210000 ||	/* stu r1,NUM(r1) */
-	       (op & 0xffff0003) == 0xf8210001)		/* stdu r1,NUM(r1) */
-	{
-	  fdata->frameless = 0;
-	  if ((op & 0xffff0003) == 0xf8210001)
-	    op = (op >> 1) << 1;
-	  fdata->offset = SIGNED_SHORT (op);
-	  offset = fdata->offset;
-	  continue;
-
-	}
-      else if (op == 0x7c21016e)
-	{			/* stwux 1,1,0 */
-	  fdata->frameless = 0;
-	  offset = fdata->offset;
-	  continue;
-
-	  /* Load up minimal toc pointer */
-	}
-      else if ((op >> 22) == 0x20f
-	       && !minimal_toc_loaded)
-	{			/* l r31,... or l r30,... */
-	  minimal_toc_loaded = 1;
-	  continue;
-
-	  /* move parameters from argument registers to local variable
-             registers */
- 	}
-      else if ((op & 0xfc0007fe) == 0x7c000378 &&	/* mr(.)  Rx,Ry */
-               (((op >> 21) & 31) >= 3) &&              /* R3 >= Ry >= R10 */
-               (((op >> 21) & 31) <= 10) &&
-               ((long) ((op >> 16) & 31) >= fdata->saved_gpr)) /* Rx: local var reg */
-	{
-	  continue;
-
-	  /* store parameters in stack */
-	}
-      else if ((op & 0xfc1f0003) == 0xf8010000 ||	/* std rx,NUM(r1) */
-	       (op & 0xfc1f0000) == 0xd8010000 ||	/* stfd Rx,NUM(r1) */
-	       (op & 0xfc1f0000) == 0xfc010000)		/* frsp, fp?,NUM(r1) */
-	{
-	  continue;
-
-	  /* store parameters in stack via frame pointer */
-	}
-      else if (framep &&
-	       ((op & 0xfc1f0000) == 0x901f0000 ||	/* st rx,NUM(r1) */
-		(op & 0xfc1f0000) == 0xd81f0000 ||	/* stfd Rx,NUM(r1) */
-		(op & 0xfc1f0000) == 0xfc1f0000))
-	{			/* frsp, fp?,NUM(r1) */
-	  continue;
-
-	  /* Set up frame pointer */
-	}
-      else if (op == 0x603f0000	/* oril r31, r1, 0x0 */
-	       || op == 0x7c3f0b78)
-	{			/* mr r31, r1 */
-	  fdata->frameless = 0;
-	  framep = 1;
-	  fdata->alloca_reg = 31;
-	  continue;
-
-	  /* Another way to set up the frame pointer.  */
-	}
-      else if ((op & 0xfc1fffff) == 0x38010000)
-	{			/* addi rX, r1, 0x0 */
-	  fdata->frameless = 0;
-	  framep = 1;
-	  fdata->alloca_reg = (op & ~0x38010000) >> 21;
-	  continue;
-	}
-      /* AltiVec related instructions.  */
-      /* Store the vrsave register (spr 256) in another register for
-	 later manipulation, or load a register into the vrsave
-	 register.  2 instructions are used: mfvrsave and
-	 mtvrsave.  They are shorthand notation for mfspr Rn, SPR256
-	 and mtspr SPR256, Rn.  */
-      /* mfspr Rn SPR256 == 011111 nnnnn 0000001000 01010100110
-	 mtspr SPR256 Rn == 011111 nnnnn 0000001000 01110100110  */
-      else if ((op & 0xfc1fffff) == 0x7c0042a6)    /* mfvrsave Rn */
-	{
-          vrsave_reg = GET_SRC_REG (op);
-	  continue;
-	}
-      else if ((op & 0xfc1fffff) == 0x7c0043a6)     /* mtvrsave Rn */
-        {
-          continue;
-        }
-      /* Store the register where vrsave was saved to onto the stack:
-         rS is the register where vrsave was stored in a previous
-	 instruction.  */
-      /* 100100 sssss 00001 dddddddd dddddddd */
-      else if ((op & 0xfc1f0000) == 0x90010000)     /* stw rS, d(r1) */
-        {
-          if (vrsave_reg == GET_SRC_REG (op))
-	    {
-	      fdata->vrsave_offset = SIGNED_SHORT (op) + offset;
-	      vrsave_reg = -1;
-	    }
-          continue;
-        }
-      /* Compute the new value of vrsave, by modifying the register
-         where vrsave was saved to.  */
-      else if (((op & 0xfc000000) == 0x64000000)    /* oris Ra, Rs, UIMM */
-	       || ((op & 0xfc000000) == 0x60000000))/* ori Ra, Rs, UIMM */
-	{
-	  continue;
-	}
-      /* li r0, SIMM (short for addi r0, 0, SIMM).  This is the first
-	 in a pair of insns to save the vector registers on the
-	 stack.  */
-      /* 001110 00000 00000 iiii iiii iiii iiii  */
-      /* 001110 01110 00000 iiii iiii iiii iiii  */
-      else if ((op & 0xffff0000) == 0x38000000         /* li r0, SIMM */
-               || (op & 0xffff0000) == 0x39c00000)     /* li r14, SIMM */
-	{
-	  li_found_pc = pc;
-	  vr_saved_offset = SIGNED_SHORT (op);
-	}
-      /* Store vector register S at (r31+r0) aligned to 16 bytes.  */      
-      /* 011111 sssss 11111 00000 00111001110 */
-      else if ((op & 0xfc1fffff) == 0x7c1f01ce)   /* stvx Vs, R31, R0 */
-        {
-	  if (pc == (li_found_pc + 4))
-	    {
-	      vr_reg = GET_SRC_REG (op);
-	      /* If this is the first vector reg to be saved, or if
-		 it has a lower number than others previously seen,
-		 reupdate the frame info.  */
-	      if (fdata->saved_vr == -1 || fdata->saved_vr > vr_reg)
-		{
-		  fdata->saved_vr = vr_reg;
-		  fdata->vr_offset = vr_saved_offset + offset;
-		}
-	      vr_saved_offset = -1;
-	      vr_reg = -1;
-	      li_found_pc = 0;
-	    }
-	}
-      /* End AltiVec related instructions.  */
-
-      /* Start BookE related instructions.  */
-      /* Store gen register S at (r31+uimm).
-         Any register less than r13 is volatile, so we don't care.  */
-      /* 000100 sssss 11111 iiiii 01100100001 */
-      else if (arch_info->mach == bfd_mach_ppc_e500
-	       && (op & 0xfc1f07ff) == 0x101f0321)    /* evstdd Rs,uimm(R31) */
-	{
-          if ((op & 0x03e00000) >= 0x01a00000)	/* Rs >= r13 */
-	    {
-              unsigned int imm;
-	      ev_reg = GET_SRC_REG (op);
-              imm = (op >> 11) & 0x1f;
-	      ev_offset = imm * 8;
-	      /* If this is the first vector reg to be saved, or if
-		 it has a lower number than others previously seen,
-		 reupdate the frame info.  */
-	      if (fdata->saved_ev == -1 || fdata->saved_ev > ev_reg)
-		{
-		  fdata->saved_ev = ev_reg;
-		  fdata->ev_offset = ev_offset + offset;
-		}
-	    }
-          continue;
-        }
-      /* Store gen register rS at (r1+rB).  */
-      /* 000100 sssss 00001 bbbbb 01100100000 */
-      else if (arch_info->mach == bfd_mach_ppc_e500
-	       && (op & 0xffe007ff) == 0x13e00320)     /* evstddx RS,R1,Rb */
-	{
-          if (pc == (li_found_pc + 4))
-            {
-              ev_reg = GET_SRC_REG (op);
-	      /* If this is the first vector reg to be saved, or if
-                 it has a lower number than others previously seen,
-                 reupdate the frame info.  */
-              /* We know the contents of rB from the previous instruction.  */
-	      if (fdata->saved_ev == -1 || fdata->saved_ev > ev_reg)
-		{
-                  fdata->saved_ev = ev_reg;
-                  fdata->ev_offset = vr_saved_offset + offset;
-		}
-	      vr_saved_offset = -1;
-	      ev_reg = -1;
-	      li_found_pc = 0;
-            }
-          continue;
-        }
-      /* Store gen register r31 at (rA+uimm).  */
-      /* 000100 11111 aaaaa iiiii 01100100001 */
-      else if (arch_info->mach == bfd_mach_ppc_e500
-	       && (op & 0xffe007ff) == 0x13e00321)   /* evstdd R31,Ra,UIMM */
-        {
-          /* Wwe know that the source register is 31 already, but
-             it can't hurt to compute it.  */
-	  ev_reg = GET_SRC_REG (op);
-          ev_offset = ((op >> 11) & 0x1f) * 8;
-	  /* If this is the first vector reg to be saved, or if
-	     it has a lower number than others previously seen,
-	     reupdate the frame info.  */
-	  if (fdata->saved_ev == -1 || fdata->saved_ev > ev_reg)
-	    {
-	      fdata->saved_ev = ev_reg;
-	      fdata->ev_offset = ev_offset + offset;
-	    }
-
-	  continue;
-      	}
-      /* Store gen register S at (r31+r0).
-         Store param on stack when offset from SP bigger than 4 bytes.  */
-      /* 000100 sssss 11111 00000 01100100000 */
-      else if (arch_info->mach == bfd_mach_ppc_e500
-	       && (op & 0xfc1fffff) == 0x101f0320)     /* evstddx Rs,R31,R0 */
-	{
-          if (pc == (li_found_pc + 4))
-            {
-              if ((op & 0x03e00000) >= 0x01a00000)
-		{
-		  ev_reg = GET_SRC_REG (op);
-		  /* If this is the first vector reg to be saved, or if
-		     it has a lower number than others previously seen,
-		     reupdate the frame info.  */
-                  /* We know the contents of r0 from the previous
-                     instruction.  */
-		  if (fdata->saved_ev == -1 || fdata->saved_ev > ev_reg)
-		    {
-		      fdata->saved_ev = ev_reg;
-		      fdata->ev_offset = vr_saved_offset + offset;
-		    }
-		  ev_reg = -1;
-		}
-	      vr_saved_offset = -1;
-	      li_found_pc = 0;
-	      continue;
-            }
-	}
-      /* End BookE related instructions.  */
-
-      else
-	{
-	  /* Not a recognized prologue instruction.
-	     Handle optimizer code motions into the prologue by continuing
-	     the search if we have no valid frame yet or if the return
-	     address is not yet saved in the frame.  */
-	  if (fdata->frameless == 0
-	      && (lr_reg == -1 || fdata->nosavedpc == 0))
-	    break;
-
-	  if (op == 0x4e800020		/* blr */
-	      || op == 0x4e800420)	/* bctr */
-	    /* Do not scan past epilogue in frameless functions or
-	       trampolines.  */
-	    break;
-	  if ((op & 0xf4000000) == 0x40000000) /* bxx */
-	    /* Never skip branches.  */
-	    break;
-
-	  if (num_skip_non_prologue_insns++ > max_skip_non_prologue_insns)
-	    /* Do not scan too many insns, scanning insns is expensive with
-	       remote targets.  */
-	    break;
-
-	  /* Continue scanning.  */
-	  prev_insn_was_prologue_insn = 0;
-	  continue;
-	}
-    }
-
-#if 0
-/* I have problems with skipping over __main() that I need to address
- * sometime. Previously, I used to use misc_function_vector which
- * didn't work as well as I wanted to be.  -MGO */
-
-  /* If the first thing after skipping a prolog is a branch to a function,
-     this might be a call to an initializer in main(), introduced by gcc2.
-     We'd like to skip over it as well.  Fortunately, xlc does some extra
-     work before calling a function right after a prologue, thus we can
-     single out such gcc2 behaviour.  */
-
-
-  if ((op & 0xfc000001) == 0x48000001)
-    {				/* bl foo, an initializer function? */
-      op = read_memory_integer (pc + 4, 4);
-
-      if (op == 0x4def7b82)
-	{			/* cror 0xf, 0xf, 0xf (nop) */
-
-	  /* Check and see if we are in main.  If so, skip over this
-	     initializer function as well.  */
-
-	  tmp = find_pc_misc_function (pc);
-	  if (tmp >= 0 && STREQ (misc_function_vector[tmp].name, main_name ()))
-	    return pc + 8;
-	}
-    }
-#endif /* 0 */
-
-  fdata->offset = -fdata->offset;
-  return last_prologue_pc;
-}
-
-
-/*************************************************************************
-  Support for creating pushing a dummy frame into the stack, and popping
-  frames, etc. 
-*************************************************************************/
-
-
-/* Pop the innermost frame, go back to the caller.  */
-
-static void
-rs6000_pop_frame (void)
-{
-  CORE_ADDR pc, lr, sp, prev_sp, addr;	/* %pc, %lr, %sp */
-  struct rs6000_framedata fdata;
-  struct frame_info *frame = get_current_frame ();
-  int ii, wordsize;
-
-  pc = read_pc ();
-  sp = FRAME_FP (frame);
-
-  if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
-    {
-      generic_pop_dummy_frame ();
-      flush_cached_frames ();
-      return;
-    }
-
-  /* Make sure that all registers are valid.  */
-  read_register_bytes (0, NULL, REGISTER_BYTES);
-
-  /* Figure out previous %pc value.  If the function is frameless, it is 
-     still in the link register, otherwise walk the frames and retrieve the
-     saved %pc value in the previous frame.  */
-
-  addr = get_pc_function_start (frame->pc);
-  (void) skip_prologue (addr, frame->pc, &fdata);
-
-  wordsize = gdbarch_tdep (current_gdbarch)->wordsize;
-  if (fdata.frameless)
-    prev_sp = sp;
-  else
-    prev_sp = read_memory_addr (sp, wordsize);
-  if (fdata.lr_offset == 0)
-     lr = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
-  else
-    lr = read_memory_addr (prev_sp + fdata.lr_offset, wordsize);
-
-  /* reset %pc value. */
-  write_register (PC_REGNUM, lr);
-
-  /* reset register values if any was saved earlier.  */
-
-  if (fdata.saved_gpr != -1)
-    {
-      addr = prev_sp + fdata.gpr_offset;
-      for (ii = fdata.saved_gpr; ii <= 31; ++ii)
-	{
-	  read_memory (addr, &registers[REGISTER_BYTE (ii)], wordsize);
-	  addr += wordsize;
-	}
-    }
-
-  if (fdata.saved_fpr != -1)
-    {
-      addr = prev_sp + fdata.fpr_offset;
-      for (ii = fdata.saved_fpr; ii <= 31; ++ii)
-	{
-	  read_memory (addr, &registers[REGISTER_BYTE (ii + FP0_REGNUM)], 8);
-	  addr += 8;
-	}
-    }
-
-  write_register (SP_REGNUM, prev_sp);
-  target_store_registers (-1);
-  flush_cached_frames ();
-}
-
-/* Fixup the call sequence of a dummy function, with the real function
-   address.  Its arguments will be passed by gdb.  */
-
-static void
-rs6000_fix_call_dummy (char *dummyname, CORE_ADDR pc, CORE_ADDR fun,
-		       int nargs, struct value **args, struct type *type,
-		       int gcc_p)
-{
-  int ii;
-  CORE_ADDR target_addr;
-
-  if (rs6000_find_toc_address_hook != NULL)
-    {
-      CORE_ADDR tocvalue = (*rs6000_find_toc_address_hook) (fun);
-      write_register (gdbarch_tdep (current_gdbarch)->ppc_toc_regnum,
-		      tocvalue);
-    }
-}
-
-/* Pass the arguments in either registers, or in the stack. In RS/6000,
-   the first eight words of the argument list (that might be less than
-   eight parameters if some parameters occupy more than one word) are
-   passed in r3..r10 registers.  float and double parameters are
-   passed in fpr's, in addition to that.  Rest of the parameters if any
-   are passed in user stack.  There might be cases in which half of the
-   parameter is copied into registers, the other half is pushed into
-   stack.
-
-   Stack must be aligned on 64-bit boundaries when synthesizing
-   function calls.
-
-   If the function is returning a structure, then the return address is passed
-   in r3, then the first 7 words of the parameters can be passed in registers,
-   starting from r4.  */
-
-static CORE_ADDR
-rs6000_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
-		       int struct_return, CORE_ADDR struct_addr)
-{
-  int ii;
-  int len = 0;
-  int argno;			/* current argument number */
-  int argbytes;			/* current argument byte */
-  char tmp_buffer[50];
-  int f_argno = 0;		/* current floating point argno */
-  int wordsize = gdbarch_tdep (current_gdbarch)->wordsize;
-
-  struct value *arg = 0;
-  struct type *type;
-
-  CORE_ADDR saved_sp;
-
-  /* The first eight words of ther arguments are passed in registers.
-     Copy them appropriately.
-
-     If the function is returning a `struct', then the first word (which 
-     will be passed in r3) is used for struct return address.  In that
-     case we should advance one word and start from r4 register to copy 
-     parameters.  */
-
-  ii = struct_return ? 1 : 0;
-
-/* 
-   effectively indirect call... gcc does...
-
-   return_val example( float, int);
-
-   eabi: 
-   float in fp0, int in r3
-   offset of stack on overflow 8/16
-   for varargs, must go by type.
-   power open:
-   float in r3&r4, int in r5
-   offset of stack on overflow different 
-   both: 
-   return in r3 or f0.  If no float, must study how gcc emulates floats;
-   pay attention to arg promotion.  
-   User may have to cast\args to handle promotion correctly 
-   since gdb won't know if prototype supplied or not.
- */
-
-  for (argno = 0, argbytes = 0; argno < nargs && ii < 8; ++ii)
-    {
-      int reg_size = REGISTER_RAW_SIZE (ii + 3);
-
-      arg = args[argno];
-      type = check_typedef (VALUE_TYPE (arg));
-      len = TYPE_LENGTH (type);
-
-      if (TYPE_CODE (type) == TYPE_CODE_FLT)
-	{
-
-	  /* Floating point arguments are passed in fpr's, as well as gpr's.
-	     There are 13 fpr's reserved for passing parameters. At this point
-	     there is no way we would run out of them.  */
-
-	  if (len > 8)
-	    printf_unfiltered (
-				"Fatal Error: a floating point parameter #%d with a size > 8 is found!\n", argno);
-
-	  memcpy (&registers[REGISTER_BYTE (FP0_REGNUM + 1 + f_argno)],
-		  VALUE_CONTENTS (arg),
-		  len);
-	  ++f_argno;
-	}
-
-      if (len > reg_size)
-	{
-
-	  /* Argument takes more than one register.  */
-	  while (argbytes < len)
-	    {
-	      memset (&registers[REGISTER_BYTE (ii + 3)], 0, reg_size);
-	      memcpy (&registers[REGISTER_BYTE (ii + 3)],
-		      ((char *) VALUE_CONTENTS (arg)) + argbytes,
-		      (len - argbytes) > reg_size
-		        ? reg_size : len - argbytes);
-	      ++ii, argbytes += reg_size;
-
-	      if (ii >= 8)
-		goto ran_out_of_registers_for_arguments;
-	    }
-	  argbytes = 0;
-	  --ii;
-	}
-      else
-	{
-	  /* Argument can fit in one register.  No problem.  */
-	  int adj = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? reg_size - len : 0;
-	  memset (&registers[REGISTER_BYTE (ii + 3)], 0, reg_size);
-	  memcpy ((char *)&registers[REGISTER_BYTE (ii + 3)] + adj, 
-	          VALUE_CONTENTS (arg), len);
-	}
-      ++argno;
-    }
-
-ran_out_of_registers_for_arguments:
-
-  saved_sp = read_sp ();
-
-  /* Location for 8 parameters are always reserved.  */
-  sp -= wordsize * 8;
-
-  /* Another six words for back chain, TOC register, link register, etc.  */
-  sp -= wordsize * 6;
-
-  /* Stack pointer must be quadword aligned.  */
-  sp &= -16;
-
-  /* If there are more arguments, allocate space for them in 
-     the stack, then push them starting from the ninth one.  */
-
-  if ((argno < nargs) || argbytes)
-    {
-      int space = 0, jj;
-
-      if (argbytes)
-	{
-	  space += ((len - argbytes + 3) & -4);
-	  jj = argno + 1;
-	}
-      else
-	jj = argno;
-
-      for (; jj < nargs; ++jj)
-	{
-	  struct value *val = args[jj];
-	  space += ((TYPE_LENGTH (VALUE_TYPE (val))) + 3) & -4;
-	}
-
-      /* Add location required for the rest of the parameters.  */
-      space = (space + 15) & -16;
-      sp -= space;
-
-      /* This is another instance we need to be concerned about
-         securing our stack space. If we write anything underneath %sp
-         (r1), we might conflict with the kernel who thinks he is free
-         to use this area. So, update %sp first before doing anything
-         else.  */
-
-      write_register (SP_REGNUM, sp);
-
-      /* If the last argument copied into the registers didn't fit there 
-         completely, push the rest of it into stack.  */
-
-      if (argbytes)
-	{
-	  write_memory (sp + 24 + (ii * 4),
-			((char *) VALUE_CONTENTS (arg)) + argbytes,
-			len - argbytes);
-	  ++argno;
-	  ii += ((len - argbytes + 3) & -4) / 4;
-	}
-
-      /* Push the rest of the arguments into stack.  */
-      for (; argno < nargs; ++argno)
-	{
-
-	  arg = args[argno];
-	  type = check_typedef (VALUE_TYPE (arg));
-	  len = TYPE_LENGTH (type);
-
-
-	  /* Float types should be passed in fpr's, as well as in the
-             stack.  */
-	  if (TYPE_CODE (type) == TYPE_CODE_FLT && f_argno < 13)
-	    {
-
-	      if (len > 8)
-		printf_unfiltered (
-				    "Fatal Error: a floating point parameter #%d with a size > 8 is found!\n", argno);
-
-	      memcpy (&registers[REGISTER_BYTE (FP0_REGNUM + 1 + f_argno)],
-		      VALUE_CONTENTS (arg),
-		      len);
-	      ++f_argno;
-	    }
-
-	  write_memory (sp + 24 + (ii * 4), (char *) VALUE_CONTENTS (arg), len);
-	  ii += ((len + 3) & -4) / 4;
-	}
-    }
-  else
-    /* Secure stack areas first, before doing anything else.  */
-    write_register (SP_REGNUM, sp);
-
-  /* set back chain properly */
-  store_address (tmp_buffer, 4, saved_sp);
-  write_memory (sp, tmp_buffer, 4);
-
-  target_store_registers (-1);
-  return sp;
-}
-
-/* Function: ppc_push_return_address (pc, sp)
-   Set up the return address for the inferior function call.  */
-
-static CORE_ADDR
-ppc_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
-{
-  write_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum,
-		  CALL_DUMMY_ADDRESS ());
-  return sp;
-}
-
-/* Extract a function return value of type TYPE from raw register array
-   REGBUF, and copy that return value into VALBUF in virtual format.  */
-static void
-e500_extract_return_value (struct type *valtype, struct regcache *regbuf, void *valbuf)
-{
-  int offset = 0;
-  int vallen = TYPE_LENGTH (valtype);
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
-  if (TYPE_CODE (valtype) == TYPE_CODE_ARRAY
-      && vallen == 8
-      && TYPE_VECTOR (valtype))
-    {
-      regcache_raw_read (regbuf, tdep->ppc_ev0_regnum + 3, valbuf);
-    }
-  else
-    {
-      /* Return value is copied starting from r3.  Note that r3 for us
-         is a pseudo register.  */
-      int offset = 0;
-      int return_regnum = tdep->ppc_gp0_regnum + 3;
-      int reg_size = REGISTER_RAW_SIZE (return_regnum);
-      int reg_part_size;
-      char *val_buffer;
-      int copied = 0;
-      int i = 0;
-
-      /* Compute where we will start storing the value from.  */ 
-      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-        {
-	  if (vallen <= reg_size)
-	    offset = reg_size - vallen;
-	  else
-	    offset = reg_size + (reg_size - vallen);
-        }
-
-      /* How big does the local buffer need to be?  */
-      if (vallen <= reg_size)
-	val_buffer = alloca (reg_size);
-      else
-	val_buffer = alloca (vallen);
-
-      /* Read all we need into our private buffer.  We copy it in
-         chunks that are as long as one register, never shorter, even
-         if the value is smaller than the register.  */
-      while (copied < vallen)
-        {
-          reg_part_size = REGISTER_RAW_SIZE (return_regnum + i);
-	  /* It is a pseudo/cooked register.  */
-          regcache_cooked_read (regbuf, return_regnum + i,
-				val_buffer + copied);
-          copied += reg_part_size;
-          i++;
-        }
-      /* Put the stuff in the return buffer.  */
-      memcpy (valbuf, val_buffer + offset, vallen);
-    }
-}
-
-static void
-rs6000_extract_return_value (struct type *valtype, char *regbuf, char *valbuf)
-{
-  int offset = 0;
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
-  if (TYPE_CODE (valtype) == TYPE_CODE_FLT)
-    {
-
-      double dd;
-      float ff;
-      /* floats and doubles are returned in fpr1. fpr's have a size of 8 bytes.
-         We need to truncate the return value into float size (4 byte) if
-         necessary.  */
-
-      if (TYPE_LENGTH (valtype) > 4)	/* this is a double */
-	memcpy (valbuf,
-		&regbuf[REGISTER_BYTE (FP0_REGNUM + 1)],
-		TYPE_LENGTH (valtype));
-      else
-	{			/* float */
-	  memcpy (&dd, &regbuf[REGISTER_BYTE (FP0_REGNUM + 1)], 8);
-	  ff = (float) dd;
-	  memcpy (valbuf, &ff, sizeof (float));
-	}
-    }
-  else if (TYPE_CODE (valtype) == TYPE_CODE_ARRAY
-           && TYPE_LENGTH (valtype) == 16
-           && TYPE_VECTOR (valtype))
-    {
-      memcpy (valbuf, regbuf + REGISTER_BYTE (tdep->ppc_vr0_regnum + 2),
-	      TYPE_LENGTH (valtype));
-    }
-  else
-    {
-      /* return value is copied starting from r3. */
-      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG
-	  && TYPE_LENGTH (valtype) < REGISTER_RAW_SIZE (3))
-	offset = REGISTER_RAW_SIZE (3) - TYPE_LENGTH (valtype);
-
-      memcpy (valbuf,
-	      regbuf + REGISTER_BYTE (3) + offset,
-	      TYPE_LENGTH (valtype));
-    }
-}
-
-/* Keep structure return address in this variable.
-   FIXME:  This is a horrid kludge which should not be allowed to continue
-   living.  This only allows a single nested call to a structure-returning
-   function.  Come on, guys!  -- gnu@cygnus.com, Aug 92  */
-
-static CORE_ADDR rs6000_struct_return_address;
-
-/* Return whether handle_inferior_event() should proceed through code
-   starting at PC in function NAME when stepping.
-
-   The AIX -bbigtoc linker option generates functions @FIX0, @FIX1, etc. to
-   handle memory references that are too distant to fit in instructions
-   generated by the compiler.  For example, if 'foo' in the following
-   instruction:
-
-     lwz r9,foo(r2)
-
-   is greater than 32767, the linker might replace the lwz with a branch to
-   somewhere in @FIX1 that does the load in 2 instructions and then branches
-   back to where execution should continue.
-
-   GDB should silently step over @FIX code, just like AIX dbx does.
-   Unfortunately, the linker uses the "b" instruction for the branches,
-   meaning that the link register doesn't get set.  Therefore, GDB's usual
-   step_over_function() mechanism won't work.
-
-   Instead, use the IN_SOLIB_RETURN_TRAMPOLINE and SKIP_TRAMPOLINE_CODE hooks
-   in handle_inferior_event() to skip past @FIX code.  */
-
-int
-rs6000_in_solib_return_trampoline (CORE_ADDR pc, char *name)
-{
-  return name && !strncmp (name, "@FIX", 4);
-}
-
-/* Skip code that the user doesn't want to see when stepping:
-
-   1. Indirect function calls use a piece of trampoline code to do context
-   switching, i.e. to set the new TOC table.  Skip such code if we are on
-   its first instruction (as when we have single-stepped to here).
-
-   2. Skip shared library trampoline code (which is different from
-   indirect function call trampolines).
-
-   3. Skip bigtoc fixup code.
-
-   Result is desired PC to step until, or NULL if we are not in
-   code that should be skipped.  */
-
-CORE_ADDR
-rs6000_skip_trampoline_code (CORE_ADDR pc)
-{
-  register unsigned int ii, op;
-  int rel;
-  CORE_ADDR solib_target_pc;
-  struct minimal_symbol *msymbol;
-
-  static unsigned trampoline_code[] =
-  {
-    0x800b0000,			/*     l   r0,0x0(r11)  */
-    0x90410014,			/*    st   r2,0x14(r1)  */
-    0x7c0903a6,			/* mtctr   r0           */
-    0x804b0004,			/*     l   r2,0x4(r11)  */
-    0x816b0008,			/*     l  r11,0x8(r11)  */
-    0x4e800420,			/*  bctr                */
-    0x4e800020,			/*    br                */
-    0
-  };
-
-  /* Check for bigtoc fixup code.  */
-  msymbol = lookup_minimal_symbol_by_pc (pc);
-  if (msymbol && rs6000_in_solib_return_trampoline (pc, SYMBOL_NAME (msymbol)))
-    {
-      /* Double-check that the third instruction from PC is relative "b".  */
-      op = read_memory_integer (pc + 8, 4);
-      if ((op & 0xfc000003) == 0x48000000)
-	{
-	  /* Extract bits 6-29 as a signed 24-bit relative word address and
-	     add it to the containing PC.  */
-	  rel = ((int)(op << 6) >> 6);
-	  return pc + 8 + rel;
-	}
-    }
-
-  /* If pc is in a shared library trampoline, return its target.  */
-  solib_target_pc = find_solib_trampoline_target (pc);
-  if (solib_target_pc)
-    return solib_target_pc;
-
-  for (ii = 0; trampoline_code[ii]; ++ii)
-    {
-      op = read_memory_integer (pc + (ii * 4), 4);
-      if (op != trampoline_code[ii])
-	return 0;
-    }
-  ii = read_register (11);	/* r11 holds destination addr   */
-  pc = read_memory_addr (ii, gdbarch_tdep (current_gdbarch)->wordsize); /* (r11) value */
-  return pc;
-}
-
-/* Determines whether the function FI has a frame on the stack or not.  */
-
-int
-rs6000_frameless_function_invocation (struct frame_info *fi)
-{
-  CORE_ADDR func_start;
-  struct rs6000_framedata fdata;
-
-  /* Don't even think about framelessness except on the innermost frame
-     or if the function was interrupted by a signal.  */
-  if (fi->next != NULL && !fi->next->signal_handler_caller)
-    return 0;
-
-  func_start = get_pc_function_start (fi->pc);
-
-  /* If we failed to find the start of the function, it is a mistake
-     to inspect the instructions.  */
-
-  if (!func_start)
-    {
-      /* A frame with a zero PC is usually created by dereferencing a NULL
-         function pointer, normally causing an immediate core dump of the
-         inferior.  Mark function as frameless, as the inferior has no chance
-         of setting up a stack frame.  */
-      if (fi->pc == 0)
-	return 1;
-      else
-	return 0;
-    }
-
-  (void) skip_prologue (func_start, fi->pc, &fdata);
-  return fdata.frameless;
-}
-
-/* Return the PC saved in a frame.  */
-
-CORE_ADDR
-rs6000_frame_saved_pc (struct frame_info *fi)
-{
-  CORE_ADDR func_start;
-  struct rs6000_framedata fdata;
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  int wordsize = tdep->wordsize;
-
-  if (fi->signal_handler_caller)
-    return read_memory_addr (fi->frame + SIG_FRAME_PC_OFFSET, wordsize);
-
-  if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
-    return generic_read_register_dummy (fi->pc, fi->frame, PC_REGNUM);
-
-  func_start = get_pc_function_start (fi->pc);
-
-  /* If we failed to find the start of the function, it is a mistake
-     to inspect the instructions.  */
-  if (!func_start)
-    return 0;
-
-  (void) skip_prologue (func_start, fi->pc, &fdata);
-
-  if (fdata.lr_offset == 0 && fi->next != NULL)
-    {
-      if (fi->next->signal_handler_caller)
-	return read_memory_addr (fi->next->frame + SIG_FRAME_LR_OFFSET,
-				 wordsize);
-      else
-	return read_memory_addr (FRAME_CHAIN (fi) + tdep->lr_frame_offset,
-				 wordsize);
-    }
-
-  if (fdata.lr_offset == 0)
-    return read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
-
-  return read_memory_addr (FRAME_CHAIN (fi) + fdata.lr_offset, wordsize);
-}
-
-/* If saved registers of frame FI are not known yet, read and cache them.
-   &FDATAP contains rs6000_framedata; TDATAP can be NULL,
-   in which case the framedata are read.  */
-
-static void
-frame_get_saved_regs (struct frame_info *fi, struct rs6000_framedata *fdatap)
-{
-  CORE_ADDR frame_addr;
-  struct rs6000_framedata work_fdata;
-  struct gdbarch_tdep * tdep = gdbarch_tdep (current_gdbarch);
-  int wordsize = tdep->wordsize;
-
-  if (fi->saved_regs)
-    return;
-
-  if (fdatap == NULL)
-    {
-      fdatap = &work_fdata;
-      (void) skip_prologue (get_pc_function_start (fi->pc), fi->pc, fdatap);
-    }
-
-  frame_saved_regs_zalloc (fi);
-
-  /* If there were any saved registers, figure out parent's stack
-     pointer.  */
-  /* The following is true only if the frame doesn't have a call to
-     alloca(), FIXME.  */
-
-  if (fdatap->saved_fpr == 0
-      && fdatap->saved_gpr == 0
-      && fdatap->saved_vr == 0
-      && fdatap->saved_ev == 0
-      && fdatap->lr_offset == 0
-      && fdatap->cr_offset == 0
-      && fdatap->vr_offset == 0
-      && fdatap->ev_offset == 0)
-    frame_addr = 0;
-  else
-    /* NOTE: cagney/2002-04-14: The ->frame points to the inner-most
-       address of the current frame.  Things might be easier if the
-       ->frame pointed to the outer-most address of the frame.  In the
-       mean time, the address of the prev frame is used as the base
-       address of this frame.  */
-    frame_addr = FRAME_CHAIN (fi);
-
-  /* if != -1, fdatap->saved_fpr is the smallest number of saved_fpr.
-     All fpr's from saved_fpr to fp31 are saved.  */
-
-  if (fdatap->saved_fpr >= 0)
-    {
-      int i;
-      CORE_ADDR fpr_addr = frame_addr + fdatap->fpr_offset;
-      for (i = fdatap->saved_fpr; i < 32; i++)
-	{
-	  fi->saved_regs[FP0_REGNUM + i] = fpr_addr;
-	  fpr_addr += 8;
-	}
-    }
-
-  /* if != -1, fdatap->saved_gpr is the smallest number of saved_gpr.
-     All gpr's from saved_gpr to gpr31 are saved.  */
-
-  if (fdatap->saved_gpr >= 0)
-    {
-      int i;
-      CORE_ADDR gpr_addr = frame_addr + fdatap->gpr_offset;
-      for (i = fdatap->saved_gpr; i < 32; i++)
-	{
-	  fi->saved_regs[i] = gpr_addr;
-	  gpr_addr += wordsize;
-	}
-    }
-
-  /* if != -1, fdatap->saved_vr is the smallest number of saved_vr.
-     All vr's from saved_vr to vr31 are saved.  */
-  if (tdep->ppc_vr0_regnum != -1 && tdep->ppc_vrsave_regnum != -1)
-    {
-      if (fdatap->saved_vr >= 0)
-	{
-	  int i;
-	  CORE_ADDR vr_addr = frame_addr + fdatap->vr_offset;
-	  for (i = fdatap->saved_vr; i < 32; i++)
-	    {
-	      fi->saved_regs[tdep->ppc_vr0_regnum + i] = vr_addr;
-	      vr_addr += REGISTER_RAW_SIZE (tdep->ppc_vr0_regnum);
-	    }
-	}
-    }
-
-  /* if != -1, fdatap->saved_ev is the smallest number of saved_ev.
-	All vr's from saved_ev to ev31 are saved. ?????	*/
-  if (tdep->ppc_ev0_regnum != -1 && tdep->ppc_ev31_regnum != -1)
-    {
-      if (fdatap->saved_ev >= 0)
-	{
-	  int i;
-	  CORE_ADDR ev_addr = frame_addr + fdatap->ev_offset;
-	  for (i = fdatap->saved_ev; i < 32; i++)
-	    {
-	      fi->saved_regs[tdep->ppc_ev0_regnum + i] = ev_addr;
-              fi->saved_regs[tdep->ppc_gp0_regnum + i] = ev_addr + 4;
-	      ev_addr += REGISTER_RAW_SIZE (tdep->ppc_ev0_regnum);
-            }
-	}
-    }
-
-  /* If != 0, fdatap->cr_offset is the offset from the frame that holds
-     the CR.  */
-  if (fdatap->cr_offset != 0)
-    fi->saved_regs[tdep->ppc_cr_regnum] = frame_addr + fdatap->cr_offset;
-
-  /* If != 0, fdatap->lr_offset is the offset from the frame that holds
-     the LR.  */
-  if (fdatap->lr_offset != 0)
-    fi->saved_regs[tdep->ppc_lr_regnum] = frame_addr + fdatap->lr_offset;
-
-  /* If != 0, fdatap->vrsave_offset is the offset from the frame that holds
-     the VRSAVE.  */
-  if (fdatap->vrsave_offset != 0)
-    fi->saved_regs[tdep->ppc_vrsave_regnum] = frame_addr + fdatap->vrsave_offset;
-}
-
-/* Return the address of a frame. This is the inital %sp value when the frame
-   was first allocated.  For functions calling alloca(), it might be saved in
-   an alloca register.  */
-
-static CORE_ADDR
-frame_initial_stack_address (struct frame_info *fi)
-{
-  CORE_ADDR tmpaddr;
-  struct rs6000_framedata fdata;
-  struct frame_info *callee_fi;
-
-  /* If the initial stack pointer (frame address) of this frame is known,
-     just return it.  */
-
-  if (fi->extra_info->initial_sp)
-    return fi->extra_info->initial_sp;
-
-  /* Find out if this function is using an alloca register.  */
-
-  (void) skip_prologue (get_pc_function_start (fi->pc), fi->pc, &fdata);
-
-  /* If saved registers of this frame are not known yet, read and
-     cache them.  */
-
-  if (!fi->saved_regs)
-    frame_get_saved_regs (fi, &fdata);
-
-  /* If no alloca register used, then fi->frame is the value of the %sp for
-     this frame, and it is good enough.  */
-
-  if (fdata.alloca_reg < 0)
-    {
-      fi->extra_info->initial_sp = fi->frame;
-      return fi->extra_info->initial_sp;
-    }
-
-  /* There is an alloca register, use its value, in the current frame,
-     as the initial stack pointer.  */
-  {
-    char *tmpbuf = alloca (MAX_REGISTER_RAW_SIZE);
-    if (frame_register_read (fi, fdata.alloca_reg, tmpbuf))
-      {
-	fi->extra_info->initial_sp
-	  = extract_unsigned_integer (tmpbuf,
-				      REGISTER_RAW_SIZE (fdata.alloca_reg));
-      }
-    else
-      /* NOTE: cagney/2002-04-17: At present the only time
-         frame_register_read will fail is when the register isn't
-         available.  If that does happen, use the frame.  */
-      fi->extra_info->initial_sp = fi->frame;
-  }
-  return fi->extra_info->initial_sp;
-}
-
-/* Describe the pointer in each stack frame to the previous stack frame
-   (its caller).  */
-
-/* FRAME_CHAIN takes a frame's nominal address
-   and produces the frame's chain-pointer.  */
-
-/* In the case of the RS/6000, the frame's nominal address
-   is the address of a 4-byte word containing the calling frame's address.  */
-
-CORE_ADDR
-rs6000_frame_chain (struct frame_info *thisframe)
-{
-  CORE_ADDR fp, fpp, lr;
-  int wordsize = gdbarch_tdep (current_gdbarch)->wordsize;
-
-  if (PC_IN_CALL_DUMMY (thisframe->pc, thisframe->frame, thisframe->frame))
-    return thisframe->frame;	/* dummy frame same as caller's frame */
-
-  if (inside_entry_file (thisframe->pc) ||
-      thisframe->pc == entry_point_address ())
-    return 0;
-
-  if (thisframe->signal_handler_caller)
-    fp = read_memory_addr (thisframe->frame + SIG_FRAME_FP_OFFSET,
-			      wordsize);
-  else if (thisframe->next != NULL
-	   && thisframe->next->signal_handler_caller
-	   && FRAMELESS_FUNCTION_INVOCATION (thisframe))
-    /* A frameless function interrupted by a signal did not change the
-       frame pointer.  */
-    fp = FRAME_FP (thisframe);
-  else
-    fp = read_memory_addr ((thisframe)->frame, wordsize);
-
-  lr = read_register (gdbarch_tdep (current_gdbarch)->ppc_lr_regnum);
-  if (lr == entry_point_address ())
-    if (fp != 0 && (fpp = read_memory_addr (fp, wordsize)) != 0)
-      if (PC_IN_CALL_DUMMY (lr, fpp, fpp))
-	return fpp;
-
-  return fp;
-}
-
-/* Return the size of register REG when words are WORDSIZE bytes long.  If REG
-   isn't available with that word size, return 0.  */
-
-static int
-regsize (const struct reg *reg, int wordsize)
-{
-  return wordsize == 8 ? reg->sz64 : reg->sz32;
-}
-
-/* Return the name of register number N, or null if no such register exists
-   in the current architecture.  */
-
-static const char *
-rs6000_register_name (int n)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  const struct reg *reg = tdep->regs + n;
-
-  if (!regsize (reg, tdep->wordsize))
-    return NULL;
-  return reg->name;
-}
-
-/* Index within `registers' of the first byte of the space for
-   register N.  */
-
-static int
-rs6000_register_byte (int n)
-{
-  return gdbarch_tdep (current_gdbarch)->regoff[n];
-}
-
-/* Return the number of bytes of storage in the actual machine representation
-   for register N if that register is available, else return 0.  */
-
-static int
-rs6000_register_raw_size (int n)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  const struct reg *reg = tdep->regs + n;
-  return regsize (reg, tdep->wordsize);
-}
-
-/* Return the GDB type object for the "standard" data type
-   of data in register N.  */
-
-static struct type *
-rs6000_register_virtual_type (int n)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-  const struct reg *reg = tdep->regs + n;
-
-  if (reg->fpr)
-    return builtin_type_double;
-  else
-    {
-      int size = regsize (reg, tdep->wordsize);
-      switch (size)
-	{
-	case 8:
-	  if (tdep->ppc_ev0_regnum <= n && n <= tdep->ppc_ev31_regnum)
-	    return builtin_type_vec64;
-	  else
-	    return builtin_type_int64;
-	  break;
-	case 16:
-	  return builtin_type_vec128;
-	  break;
-	default:
-	  return builtin_type_int32;
-	  break;
-	}
-    }
-}
-
-/* For the PowerPC, it appears that the debug info marks float parameters as
-   floats regardless of whether the function is prototyped, but the actual
-   values are always passed in as doubles.  Tell gdb to always assume that
-   floats are passed as doubles and then converted in the callee.  */
-
-static int
-rs6000_coerce_float_to_double (struct type *formal, struct type *actual)
-{
-  return 1;
-}
-
-/* Return whether register N requires conversion when moving from raw format
-   to virtual format.
-
-   The register format for RS/6000 floating point registers is always
-   double, we need a conversion if the memory format is float.  */
-
-static int
-rs6000_register_convertible (int n)
-{
-  const struct reg *reg = gdbarch_tdep (current_gdbarch)->regs + n;
-  return reg->fpr;
-}
-
-/* Convert data from raw format for register N in buffer FROM
-   to virtual format with type TYPE in buffer TO.  */
-
-static void
-rs6000_register_convert_to_virtual (int n, struct type *type,
-				    char *from, char *to)
-{
-  if (TYPE_LENGTH (type) != REGISTER_RAW_SIZE (n))
-    {
-      double val = extract_floating (from, REGISTER_RAW_SIZE (n));
-      store_floating (to, TYPE_LENGTH (type), val);
-    }
-  else
-    memcpy (to, from, REGISTER_RAW_SIZE (n));
-}
-
-/* Convert data from virtual format with type TYPE in buffer FROM
-   to raw format for register N in buffer TO.  */
-
-static void
-rs6000_register_convert_to_raw (struct type *type, int n,
-				char *from, char *to)
-{
-  if (TYPE_LENGTH (type) != REGISTER_RAW_SIZE (n))
-    {
-      double val = extract_floating (from, TYPE_LENGTH (type));
-      store_floating (to, REGISTER_RAW_SIZE (n), val);
-    }
-  else
-    memcpy (to, from, REGISTER_RAW_SIZE (n));
-}
-
-static void
-e500_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
-			   int reg_nr, void *buffer)
-{
-  int base_regnum;
-  int offset = 0;
-  char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 
-
-  if (reg_nr >= tdep->ppc_gp0_regnum 
-      && reg_nr <= tdep->ppc_gplast_regnum)
-    {
-      base_regnum = reg_nr - tdep->ppc_gp0_regnum + tdep->ppc_ev0_regnum;
-
-      /* Build the value in the provided buffer.  */ 
-      /* Read the raw register of which this one is the lower portion.  */
-      regcache_raw_read (regcache, base_regnum, temp_buffer);
-      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-	offset = 4;
-      memcpy ((char *) buffer, temp_buffer + offset, 4);
-    }
-}
-
-static void
-e500_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
-			    int reg_nr, const void *buffer)
-{
-  int base_regnum;
-  int offset = 0;
-  char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); 
-
-  if (reg_nr >= tdep->ppc_gp0_regnum 
-      && reg_nr <= tdep->ppc_gplast_regnum)
-    {
-      base_regnum = reg_nr - tdep->ppc_gp0_regnum + tdep->ppc_ev0_regnum;
-      /* reg_nr is 32 bit here, and base_regnum is 64 bits.  */
-      if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-	offset = 4;
-
-      /* Let's read the value of the base register into a temporary
-	 buffer, so that overwriting the last four bytes with the new
-	 value of the pseudo will leave the upper 4 bytes unchanged.  */
-      regcache_raw_read (regcache, base_regnum, temp_buffer);
-
-      /* Write as an 8 byte quantity.  */
-      memcpy (temp_buffer + offset, (char *) buffer, 4);
-      regcache_raw_write (regcache, base_regnum, temp_buffer);
-    }
-}
-
-/* Convert a dwarf2 register number to a gdb REGNUM.  */
-static int
-e500_dwarf2_reg_to_regnum (int num)
-{
-  int regnum;
-  if (0 <= num && num <= 31)
-    return num + gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum;
-  else 
-    return num;
-}
-
-/* Convert a dbx stab register number (from `r' declaration) to a gdb
-   REGNUM.  */
-static int
-rs6000_stab_reg_to_regnum (int num)
-{
-  int regnum;
-  switch (num)
-    {
-    case 64: 
-      regnum = gdbarch_tdep (current_gdbarch)->ppc_mq_regnum;
-      break;
-    case 65: 
-      regnum = gdbarch_tdep (current_gdbarch)->ppc_lr_regnum;
-      break;
-    case 66: 
-      regnum = gdbarch_tdep (current_gdbarch)->ppc_ctr_regnum;
-      break;
-    case 76: 
-      regnum = gdbarch_tdep (current_gdbarch)->ppc_xer_regnum;
-      break;
-    default: 
-      regnum = num;
-      break;
-    }
-  return regnum;
-}
-
-/* Store the address of the place in which to copy the structure the
-   subroutine will return.  This is called from call_function.
-
-   In RS/6000, struct return addresses are passed as an extra parameter in r3.
-   In function return, callee is not responsible of returning this address
-   back.  Since gdb needs to find it, we will store in a designated variable
-   `rs6000_struct_return_address'.  */
-
-static void
-rs6000_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
-{
-  write_register (3, addr);
-  rs6000_struct_return_address = addr;
-}
-
-/* Write into appropriate registers a function return value
-   of type TYPE, given in virtual format.  */
-static void
-e500_store_return_value (struct type *type, char *valbuf)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
-  /* Everything is returned in GPR3 and up.  */
-  int copied = 0;
-  int i = 0;
-  int len = TYPE_LENGTH (type);
-  while (copied < len)
-    {
-      int regnum = gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + 3 + i;
-      int reg_size = REGISTER_RAW_SIZE (regnum);
-      char *reg_val_buf = alloca (reg_size);
-
-      memcpy (reg_val_buf, valbuf + copied, reg_size);
-      copied += reg_size;
-      write_register_gen (regnum, reg_val_buf);
-      i++;
-    }
-}
-
-static void
-rs6000_store_return_value (struct type *type, char *valbuf)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
-  if (TYPE_CODE (type) == TYPE_CODE_FLT)
-
-    /* Floating point values are returned starting from FPR1 and up.
-       Say a double_double_double type could be returned in
-       FPR1/FPR2/FPR3 triple.  */
-
-    write_register_bytes (REGISTER_BYTE (FP0_REGNUM + 1), valbuf,
-			  TYPE_LENGTH (type));
-  else if (TYPE_CODE (type) == TYPE_CODE_ARRAY)
-    {
-      if (TYPE_LENGTH (type) == 16
-          && TYPE_VECTOR (type))
-	write_register_bytes (REGISTER_BYTE (tdep->ppc_vr0_regnum + 2),
-			      valbuf, TYPE_LENGTH (type));
-    }
-  else
-    /* Everything else is returned in GPR3 and up.  */
-    write_register_bytes (REGISTER_BYTE (gdbarch_tdep (current_gdbarch)->ppc_gp0_regnum + 3),
-			  valbuf, TYPE_LENGTH (type));
-}
-
-/* Extract from an array REGBUF containing the (raw) register state
-   the address in which a function should return its structure value,
-   as a CORE_ADDR (or an expression that can be used as one).  */
-
-static CORE_ADDR
-rs6000_extract_struct_value_address (char *regbuf)
-{
-  return rs6000_struct_return_address;
-}
-
-/* Return whether PC is in a dummy function call.
-
-   FIXME: This just checks for the end of the stack, which is broken
-   for things like stepping through gcc nested function stubs.  */
-
-static int
-rs6000_pc_in_call_dummy (CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR fp)
-{
-  return sp < pc && pc < fp;
-}
-
-/* Hook called when a new child process is started.  */
-
-void
-rs6000_create_inferior (int pid)
-{
-  if (rs6000_set_host_arch_hook)
-    rs6000_set_host_arch_hook (pid);
-}
-
-/* Support for CONVERT_FROM_FUNC_PTR_ADDR(ADDR).
-
-   Usually a function pointer's representation is simply the address
-   of the function. On the RS/6000 however, a function pointer is
-   represented by a pointer to a TOC entry. This TOC entry contains
-   three words, the first word is the address of the function, the
-   second word is the TOC pointer (r2), and the third word is the
-   static chain value.  Throughout GDB it is currently assumed that a
-   function pointer contains the address of the function, which is not
-   easy to fix.  In addition, the conversion of a function address to
-   a function pointer would require allocation of a TOC entry in the
-   inferior's memory space, with all its drawbacks.  To be able to
-   call C++ virtual methods in the inferior (which are called via
-   function pointers), find_function_addr uses this function to get the
-   function address from a function pointer.  */
-
-/* Return real function address if ADDR (a function pointer) is in the data
-   space and is therefore a special function pointer.  */
-
-CORE_ADDR
-rs6000_convert_from_func_ptr_addr (CORE_ADDR addr)
-{
-  struct obj_section *s;
-
-  s = find_pc_section (addr);
-  if (s && s->the_bfd_section->flags & SEC_CODE)
-    return addr;
-
-  /* ADDR is in the data space, so it's a special function pointer. */
-  return read_memory_addr (addr, gdbarch_tdep (current_gdbarch)->wordsize);
-}
-
-
-/* Handling the various POWER/PowerPC variants.  */
-
-
-/* The arrays here called registers_MUMBLE hold information about available
-   registers.
-
-   For each family of PPC variants, I've tried to isolate out the
-   common registers and put them up front, so that as long as you get
-   the general family right, GDB will correctly identify the registers
-   common to that family.  The common register sets are:
-
-   For the 60x family: hid0 hid1 iabr dabr pir
-
-   For the 505 and 860 family: eie eid nri
-
-   For the 403 and 403GC: icdbdr esr dear evpr cdbcr tsr tcr pit tbhi
-   tblo srr2 srr3 dbsr dbcr iac1 iac2 dac1 dac2 dccr iccr pbl1
-   pbu1 pbl2 pbu2
-
-   Most of these register groups aren't anything formal.  I arrived at
-   them by looking at the registers that occurred in more than one
-   processor.
-   
-   Note: kevinb/2002-04-30: Support for the fpscr register was added
-   during April, 2002.  Slot 70 is being used for PowerPC and slot 71
-   for Power.  For PowerPC, slot 70 was unused and was already in the
-   PPC_UISA_SPRS which is ideally where fpscr should go.  For Power,
-   slot 70 was being used for "mq", so the next available slot (71)
-   was chosen.  It would have been nice to be able to make the
-   register numbers the same across processor cores, but this wasn't
-   possible without either 1) renumbering some registers for some
-   processors or 2) assigning fpscr to a really high slot that's
-   larger than any current register number.  Doing (1) is bad because
-   existing stubs would break.  Doing (2) is undesirable because it
-   would introduce a really large gap between fpscr and the rest of
-   the registers for most processors.  */
-
-/* Convenience macros for populating register arrays.  */
-
-/* Within another macro, convert S to a string.  */
-
-#define STR(s)	#s
-
-/* Return a struct reg defining register NAME that's 32 bits on 32-bit systems
-   and 64 bits on 64-bit systems.  */
-#define R(name)		{ STR(name), 4, 8, 0, 0 }
-
-/* Return a struct reg defining register NAME that's 32 bits on all
-   systems.  */
-#define R4(name)	{ STR(name), 4, 4, 0, 0 }
-
-/* Return a struct reg defining register NAME that's 64 bits on all
-   systems.  */
-#define R8(name)	{ STR(name), 8, 8, 0, 0 }
-
-/* Return a struct reg defining register NAME that's 128 bits on all
-   systems.  */
-#define R16(name)       { STR(name), 16, 16, 0, 0 }
-
-/* Return a struct reg defining floating-point register NAME.  */
-#define F(name)		{ STR(name), 8, 8, 1, 0 }
-
-/* Return a struct reg defining a pseudo register NAME.  */
-#define P(name)		{ STR(name), 4, 8, 0, 1}
-
-/* Return a struct reg defining register NAME that's 32 bits on 32-bit
-   systems and that doesn't exist on 64-bit systems.  */
-#define R32(name)	{ STR(name), 4, 0, 0, 0 }
-
-/* Return a struct reg defining register NAME that's 64 bits on 64-bit
-   systems and that doesn't exist on 32-bit systems.  */
-#define R64(name)	{ STR(name), 0, 8, 0, 0 }
-
-/* Return a struct reg placeholder for a register that doesn't exist.  */
-#define R0		{ 0, 0, 0, 0, 0 }
-
-/* UISA registers common across all architectures, including POWER.  */
-
-#define COMMON_UISA_REGS \
-  /*  0 */ R(r0), R(r1), R(r2), R(r3), R(r4), R(r5), R(r6), R(r7),  \
-  /*  8 */ R(r8), R(r9), R(r10),R(r11),R(r12),R(r13),R(r14),R(r15), \
-  /* 16 */ R(r16),R(r17),R(r18),R(r19),R(r20),R(r21),R(r22),R(r23), \
-  /* 24 */ R(r24),R(r25),R(r26),R(r27),R(r28),R(r29),R(r30),R(r31), \
-  /* 32 */ F(f0), F(f1), F(f2), F(f3), F(f4), F(f5), F(f6), F(f7),  \
-  /* 40 */ F(f8), F(f9), F(f10),F(f11),F(f12),F(f13),F(f14),F(f15), \
-  /* 48 */ F(f16),F(f17),F(f18),F(f19),F(f20),F(f21),F(f22),F(f23), \
-  /* 56 */ F(f24),F(f25),F(f26),F(f27),F(f28),F(f29),F(f30),F(f31), \
-  /* 64 */ R(pc), R(ps)
-
-#define COMMON_UISA_NOFP_REGS \
-  /*  0 */ R(r0), R(r1), R(r2), R(r3), R(r4), R(r5), R(r6), R(r7),  \
-  /*  8 */ R(r8), R(r9), R(r10),R(r11),R(r12),R(r13),R(r14),R(r15), \
-  /* 16 */ R(r16),R(r17),R(r18),R(r19),R(r20),R(r21),R(r22),R(r23), \
-  /* 24 */ R(r24),R(r25),R(r26),R(r27),R(r28),R(r29),R(r30),R(r31), \
-  /* 32 */ R0,    R0,    R0,    R0,    R0,    R0,    R0,    R0,     \
-  /* 40 */ R0,    R0,    R0,    R0,    R0,    R0,    R0,    R0,     \
-  /* 48 */ R0,    R0,    R0,    R0,    R0,    R0,    R0,    R0,     \
-  /* 56 */ R0,    R0,    R0,    R0,    R0,    R0,    R0,    R0,     \
-  /* 64 */ R(pc), R(ps)
-
-/* UISA-level SPRs for PowerPC.  */
-#define PPC_UISA_SPRS \
-  /* 66 */ R4(cr),  R(lr), R(ctr), R4(xer), R4(fpscr)
-
-/* UISA-level SPRs for PowerPC without floating point support.  */
-#define PPC_UISA_NOFP_SPRS \
-  /* 66 */ R4(cr),  R(lr), R(ctr), R4(xer), R0
-
-/* Segment registers, for PowerPC.  */
-#define PPC_SEGMENT_REGS \
-  /* 71 */ R32(sr0),  R32(sr1),  R32(sr2),  R32(sr3),  \
-  /* 75 */ R32(sr4),  R32(sr5),  R32(sr6),  R32(sr7),  \
-  /* 79 */ R32(sr8),  R32(sr9),  R32(sr10), R32(sr11), \
-  /* 83 */ R32(sr12), R32(sr13), R32(sr14), R32(sr15)
-
-/* OEA SPRs for PowerPC.  */
-#define PPC_OEA_SPRS \
-  /*  87 */ R4(pvr), \
-  /*  88 */ R(ibat0u), R(ibat0l), R(ibat1u), R(ibat1l), \
-  /*  92 */ R(ibat2u), R(ibat2l), R(ibat3u), R(ibat3l), \
-  /*  96 */ R(dbat0u), R(dbat0l), R(dbat1u), R(dbat1l), \
-  /* 100 */ R(dbat2u), R(dbat2l), R(dbat3u), R(dbat3l), \
-  /* 104 */ R(sdr1),   R64(asr),  R(dar),    R4(dsisr), \
-  /* 108 */ R(sprg0),  R(sprg1),  R(sprg2),  R(sprg3),  \
-  /* 112 */ R(srr0),   R(srr1),   R(tbl),    R(tbu),    \
-  /* 116 */ R4(dec),   R(dabr),   R4(ear)
-
-/* AltiVec registers.  */
-#define PPC_ALTIVEC_REGS \
-  /*119*/R16(vr0), R16(vr1), R16(vr2), R16(vr3), R16(vr4), R16(vr5), R16(vr6), R16(vr7),  \
-  /*127*/R16(vr8), R16(vr9), R16(vr10),R16(vr11),R16(vr12),R16(vr13),R16(vr14),R16(vr15), \
-  /*135*/R16(vr16),R16(vr17),R16(vr18),R16(vr19),R16(vr20),R16(vr21),R16(vr22),R16(vr23), \
-  /*143*/R16(vr24),R16(vr25),R16(vr26),R16(vr27),R16(vr28),R16(vr29),R16(vr30),R16(vr31), \
-  /*151*/R4(vscr), R4(vrsave)
-
-/* Vectors of hi-lo general purpose registers.  */
-#define PPC_EV_REGS \
-  /* 0*/R8(ev0), R8(ev1), R8(ev2), R8(ev3), R8(ev4), R8(ev5), R8(ev6), R8(ev7),  \
-  /* 8*/R8(ev8), R8(ev9), R8(ev10),R8(ev11),R8(ev12),R8(ev13),R8(ev14),R8(ev15), \
-  /*16*/R8(ev16),R8(ev17),R8(ev18),R8(ev19),R8(ev20),R8(ev21),R8(ev22),R8(ev23), \
-  /*24*/R8(ev24),R8(ev25),R8(ev26),R8(ev27),R8(ev28),R8(ev29),R8(ev30),R8(ev31)
-
-/* Lower half of the EV registers.  */
-#define PPC_GPRS_PSEUDO_REGS \
-  /*  0 */ P(r0), P(r1), P(r2), P(r3), P(r4), P(r5), P(r6), P(r7),  \
-  /*  8 */ P(r8), P(r9), P(r10),P(r11),P(r12),P(r13),P(r14),P(r15), \
-  /* 16 */ P(r16),P(r17),P(r18),P(r19),P(r20),P(r21),P(r22),P(r23), \
-  /* 24 */ P(r24),P(r25),P(r26),P(r27),P(r28),P(r29),P(r30),P(r31), \
-
-/* IBM POWER (pre-PowerPC) architecture, user-level view.  We only cover
-   user-level SPR's.  */
-static const struct reg registers_power[] =
-{
-  COMMON_UISA_REGS,
-  /* 66 */ R4(cnd), R(lr), R(cnt), R4(xer), R4(mq),
-  /* 71 */ R4(fpscr)
-};
-
-/* PowerPC UISA - a PPC processor as viewed by user-level code.  A UISA-only
-   view of the PowerPC.  */
-static const struct reg registers_powerpc[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_ALTIVEC_REGS
-};
-
-/* PowerPC UISA - a PPC processor as viewed by user-level
-   code, but without floating point registers.  */
-static const struct reg registers_powerpc_nofp[] =
-{
-  COMMON_UISA_NOFP_REGS,
-  PPC_UISA_SPRS
-};
-
-/* IBM PowerPC 403.  */
-static const struct reg registers_403[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(icdbdr), R(esr),  R(dear), R(evpr),
-  /* 123 */ R(cdbcr),  R(tsr),  R(tcr),  R(pit),
-  /* 127 */ R(tbhi),   R(tblo), R(srr2), R(srr3),
-  /* 131 */ R(dbsr),   R(dbcr), R(iac1), R(iac2),
-  /* 135 */ R(dac1),   R(dac2), R(dccr), R(iccr),
-  /* 139 */ R(pbl1),   R(pbu1), R(pbl2), R(pbu2)
-};
-
-/* IBM PowerPC 403GC.  */
-static const struct reg registers_403GC[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(icdbdr), R(esr),  R(dear), R(evpr),
-  /* 123 */ R(cdbcr),  R(tsr),  R(tcr),  R(pit),
-  /* 127 */ R(tbhi),   R(tblo), R(srr2), R(srr3),
-  /* 131 */ R(dbsr),   R(dbcr), R(iac1), R(iac2),
-  /* 135 */ R(dac1),   R(dac2), R(dccr), R(iccr),
-  /* 139 */ R(pbl1),   R(pbu1), R(pbl2), R(pbu2),
-  /* 143 */ R(zpr),    R(pid),  R(sgr),  R(dcwr),
-  /* 147 */ R(tbhu),   R(tblu)
-};
-
-/* Motorola PowerPC 505.  */
-static const struct reg registers_505[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(eie), R(eid), R(nri)
-};
-
-/* Motorola PowerPC 860 or 850.  */
-static const struct reg registers_860[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(eie), R(eid), R(nri), R(cmpa),
-  /* 123 */ R(cmpb), R(cmpc), R(cmpd), R(icr),
-  /* 127 */ R(der), R(counta), R(countb), R(cmpe),
-  /* 131 */ R(cmpf), R(cmpg), R(cmph), R(lctrl1),
-  /* 135 */ R(lctrl2), R(ictrl), R(bar), R(ic_cst),
-  /* 139 */ R(ic_adr), R(ic_dat), R(dc_cst), R(dc_adr),
-  /* 143 */ R(dc_dat), R(dpdr), R(dpir), R(immr),
-  /* 147 */ R(mi_ctr), R(mi_ap), R(mi_epn), R(mi_twc),
-  /* 151 */ R(mi_rpn), R(md_ctr), R(m_casid), R(md_ap),
-  /* 155 */ R(md_epn), R(md_twb), R(md_twc), R(md_rpn),
-  /* 159 */ R(m_tw), R(mi_dbcam), R(mi_dbram0), R(mi_dbram1),
-  /* 163 */ R(md_dbcam), R(md_dbram0), R(md_dbram1)
-};
-
-/* Motorola PowerPC 601.  Note that the 601 has different register numbers
-   for reading and writing RTCU and RTCL.  However, how one reads and writes a
-   register is the stub's problem.  */
-static const struct reg registers_601[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(hid0), R(hid1), R(iabr), R(dabr),
-  /* 123 */ R(pir), R(mq), R(rtcu), R(rtcl)
-};
-
-/* Motorola PowerPC 602.  */
-static const struct reg registers_602[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(hid0), R(hid1), R(iabr), R0,
-  /* 123 */ R0, R(tcr), R(ibr), R(esassr),
-  /* 127 */ R(sebr), R(ser), R(sp), R(lt)
-};
-
-/* Motorola/IBM PowerPC 603 or 603e.  */
-static const struct reg registers_603[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(hid0), R(hid1), R(iabr), R0,
-  /* 123 */ R0, R(dmiss), R(dcmp), R(hash1),
-  /* 127 */ R(hash2), R(imiss), R(icmp), R(rpa)
-};
-
-/* Motorola PowerPC 604 or 604e.  */
-static const struct reg registers_604[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(hid0), R(hid1), R(iabr), R(dabr),
-  /* 123 */ R(pir), R(mmcr0), R(pmc1), R(pmc2),
-  /* 127 */ R(sia), R(sda)
-};
-
-/* Motorola/IBM PowerPC 750 or 740.  */
-static const struct reg registers_750[] =
-{
-  COMMON_UISA_REGS,
-  PPC_UISA_SPRS,
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* 119 */ R(hid0), R(hid1), R(iabr), R(dabr),
-  /* 123 */ R0, R(ummcr0), R(upmc1), R(upmc2),
-  /* 127 */ R(usia), R(ummcr1), R(upmc3), R(upmc4),
-  /* 131 */ R(mmcr0), R(pmc1), R(pmc2), R(sia),
-  /* 135 */ R(mmcr1), R(pmc3), R(pmc4), R(l2cr),
-  /* 139 */ R(ictc), R(thrm1), R(thrm2), R(thrm3)
-};
-
-
-/* Motorola PowerPC 7400.  */
-static const struct reg registers_7400[] =
-{
-  /* gpr0-gpr31, fpr0-fpr31 */
-  COMMON_UISA_REGS,
-  /* ctr, xre, lr, cr */
-  PPC_UISA_SPRS,
-  /* sr0-sr15 */
-  PPC_SEGMENT_REGS,
-  PPC_OEA_SPRS,
-  /* vr0-vr31, vrsave, vscr */
-  PPC_ALTIVEC_REGS
-  /* FIXME? Add more registers? */
-};
-
-/* Motorola e500.  */
-static const struct reg registers_e500[] =
-{
-  R(pc), R(ps),
-  /* cr, lr, ctr, xer, "" */
-  PPC_UISA_NOFP_SPRS,
-  /* 7...38 */
-  PPC_EV_REGS,
-  /* 39...70 */
-  PPC_GPRS_PSEUDO_REGS
-};
-
-/* Information about a particular processor variant.  */
-
-struct variant
-  {
-    /* Name of this variant.  */
-    char *name;
-
-    /* English description of the variant.  */
-    char *description;
-
-    /* bfd_arch_info.arch corresponding to variant.  */
-    enum bfd_architecture arch;
-
-    /* bfd_arch_info.mach corresponding to variant.  */
-    unsigned long mach;
-
-    /* Number of real registers.  */
-    int nregs;
-
-    /* Number of pseudo registers.  */
-    int npregs;
-
-    /* Number of total registers (the sum of nregs and npregs).  */
-    int num_tot_regs;
-
-    /* Table of register names; registers[R] is the name of the register
-       number R.  */
-    const struct reg *regs;
-  };
-
-#define tot_num_registers(list) (sizeof (list) / sizeof((list)[0]))
-
-static int
-num_registers (const struct reg *reg_list, int num_tot_regs)
-{
-  int i;
-  int nregs = 0;
-
-  for (i = 0; i < num_tot_regs; i++)
-    if (!reg_list[i].pseudo)
-      nregs++;
-       
-  return nregs;
-}
-
-static int
-num_pseudo_registers (const struct reg *reg_list, int num_tot_regs)
-{
-  int i;
-  int npregs = 0;
-
-  for (i = 0; i < num_tot_regs; i++)
-    if (reg_list[i].pseudo)
-      npregs ++; 
-
-  return npregs;
-}
-
-/* Information in this table comes from the following web sites:
-   IBM:       http://www.chips.ibm.com:80/products/embedded/
-   Motorola:  http://www.mot.com/SPS/PowerPC/
-
-   I'm sure I've got some of the variant descriptions not quite right.
-   Please report any inaccuracies you find to GDB's maintainer.
-
-   If you add entries to this table, please be sure to allow the new
-   value as an argument to the --with-cpu flag, in configure.in.  */
-
-static struct variant variants[] =
-{
-
-  {"powerpc", "PowerPC user-level", bfd_arch_powerpc,
-   bfd_mach_ppc, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"power", "POWER user-level", bfd_arch_rs6000,
-   bfd_mach_rs6k, -1, -1, tot_num_registers (registers_power),
-   registers_power},
-  {"403", "IBM PowerPC 403", bfd_arch_powerpc,
-   bfd_mach_ppc_403, -1, -1, tot_num_registers (registers_403),
-   registers_403},
-  {"601", "Motorola PowerPC 601", bfd_arch_powerpc,
-   bfd_mach_ppc_601, -1, -1, tot_num_registers (registers_601),
-   registers_601},
-  {"602", "Motorola PowerPC 602", bfd_arch_powerpc,
-   bfd_mach_ppc_602, -1, -1, tot_num_registers (registers_602),
-   registers_602},
-  {"603", "Motorola/IBM PowerPC 603 or 603e", bfd_arch_powerpc,
-   bfd_mach_ppc_603, -1, -1, tot_num_registers (registers_603),
-   registers_603},
-  {"604", "Motorola PowerPC 604 or 604e", bfd_arch_powerpc,
-   604, -1, -1, tot_num_registers (registers_604),
-   registers_604},
-  {"403GC", "IBM PowerPC 403GC", bfd_arch_powerpc,
-   bfd_mach_ppc_403gc, -1, -1, tot_num_registers (registers_403GC),
-   registers_403GC},
-  {"505", "Motorola PowerPC 505", bfd_arch_powerpc,
-   bfd_mach_ppc_505, -1, -1, tot_num_registers (registers_505),
-   registers_505},
-  {"860", "Motorola PowerPC 860 or 850", bfd_arch_powerpc,
-   bfd_mach_ppc_860, -1, -1, tot_num_registers (registers_860),
-   registers_860},
-  {"750", "Motorola/IBM PowerPC 750 or 740", bfd_arch_powerpc,
-   bfd_mach_ppc_750, -1, -1, tot_num_registers (registers_750),
-   registers_750},
-  {"7400", "Motorola/IBM PowerPC 7400 (G4)", bfd_arch_powerpc,
-   bfd_mach_ppc_7400, -1, -1, tot_num_registers (registers_7400),
-   registers_7400},
-  {"e500", "Motorola PowerPC e500", bfd_arch_powerpc,
-   bfd_mach_ppc_e500, -1, -1, tot_num_registers (registers_e500),
-   registers_e500},
-
-  /* 64-bit */
-  {"powerpc64", "PowerPC 64-bit user-level", bfd_arch_powerpc,
-   bfd_mach_ppc64, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"620", "Motorola PowerPC 620", bfd_arch_powerpc,
-   bfd_mach_ppc_620, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"630", "Motorola PowerPC 630", bfd_arch_powerpc,
-   bfd_mach_ppc_630, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"a35", "PowerPC A35", bfd_arch_powerpc,
-   bfd_mach_ppc_a35, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"rs64ii", "PowerPC rs64ii", bfd_arch_powerpc,
-   bfd_mach_ppc_rs64ii, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-  {"rs64iii", "PowerPC rs64iii", bfd_arch_powerpc,
-   bfd_mach_ppc_rs64iii, -1, -1, tot_num_registers (registers_powerpc),
-   registers_powerpc},
-
-  /* FIXME: I haven't checked the register sets of the following.  */
-  {"rs1", "IBM POWER RS1", bfd_arch_rs6000,
-   bfd_mach_rs6k_rs1, -1, -1, tot_num_registers (registers_power),
-   registers_power},
-  {"rsc", "IBM POWER RSC", bfd_arch_rs6000,
-   bfd_mach_rs6k_rsc, -1, -1, tot_num_registers (registers_power),
-   registers_power},
-  {"rs2", "IBM POWER RS2", bfd_arch_rs6000,
-   bfd_mach_rs6k_rs2, -1, -1, tot_num_registers (registers_power),
-   registers_power},
-
-  {0, 0, 0, 0, 0, 0, 0, 0}
-};
-
-/* Initialize the number of registers and pseudo registers in each variant.  */
-
-static void
-init_variants (void)
-{
-  struct variant *v;
-
-  for (v = variants; v->name; v++)
-    {
-      if (v->nregs == -1)
-        v->nregs = num_registers (v->regs, v->num_tot_regs);
-      if (v->npregs == -1)
-        v->npregs = num_pseudo_registers (v->regs, v->num_tot_regs);
-    }  
-}
-
-/* Return the variant corresponding to architecture ARCH and machine number
-   MACH.  If no such variant exists, return null.  */
-
-static const struct variant *
-find_variant_by_arch (enum bfd_architecture arch, unsigned long mach)
-{
-  const struct variant *v;
-
-  for (v = variants; v->name; v++)
-    if (arch == v->arch && mach == v->mach)
-      return v;
-
-  return NULL;
-}
-
-static int
-gdb_print_insn_powerpc (bfd_vma memaddr, disassemble_info *info)
-{
-  if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
-    return print_insn_big_powerpc (memaddr, info);
-  else
-    return print_insn_little_powerpc (memaddr, info);
-}
-
-/* Initialize the current architecture based on INFO.  If possible, re-use an
-   architecture from ARCHES, which is a list of architectures already created
-   during this debugging session.
-
-   Called e.g. at program startup, when reading a core file, and when reading
-   a binary file.  */
-
-static struct gdbarch *
-rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
-{
-  struct gdbarch *gdbarch;
-  struct gdbarch_tdep *tdep;
-  int wordsize, from_xcoff_exec, from_elf_exec, power, i, off;
-  struct reg *regs;
-  const struct variant *v;
-  enum bfd_architecture arch;
-  unsigned long mach;
-  bfd abfd;
-  int sysv_abi;
-  enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
-  asection *sect;
-
-  from_xcoff_exec = info.abfd && info.abfd->format == bfd_object &&
-    bfd_get_flavour (info.abfd) == bfd_target_xcoff_flavour;
-
-  from_elf_exec = info.abfd && info.abfd->format == bfd_object &&
-    bfd_get_flavour (info.abfd) == bfd_target_elf_flavour;
-
-  sysv_abi = info.abfd && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour;
-
-  if (info.abfd)
-    osabi = gdbarch_lookup_osabi (info.abfd);
-
-  /* Check word size.  If INFO is from a binary file, infer it from
-     that, else choose a likely default.  */
-  if (from_xcoff_exec)
-    {
-      if (bfd_xcoff_is_xcoff64 (info.abfd))
-	wordsize = 8;
-      else
-	wordsize = 4;
-    }
-  else if (from_elf_exec)
-    {
-      if (elf_elfheader (info.abfd)->e_ident[EI_CLASS] == ELFCLASS64)
-	wordsize = 8;
-      else
-	wordsize = 4;
-    }
-  else
-    {
-      if (info.bfd_arch_info != NULL && info.bfd_arch_info->bits_per_word != 0)
-	wordsize = info.bfd_arch_info->bits_per_word /
-	  info.bfd_arch_info->bits_per_byte;
-      else
-	wordsize = 4;
-    }
-
-  /* Find a candidate among extant architectures.  */
-  for (arches = gdbarch_list_lookup_by_info (arches, &info);
-       arches != NULL;
-       arches = gdbarch_list_lookup_by_info (arches->next, &info))
-    {
-      /* Word size in the various PowerPC bfd_arch_info structs isn't
-         meaningful, because 64-bit CPUs can run in 32-bit mode.  So, perform
-         separate word size check.  */
-      tdep = gdbarch_tdep (arches->gdbarch);
-      if (tdep && tdep->wordsize == wordsize && tdep->osabi == osabi)
-	return arches->gdbarch;
-    }
-
-  /* None found, create a new architecture from INFO, whose bfd_arch_info
-     validity depends on the source:
-       - executable		useless
-       - rs6000_host_arch()	good
-       - core file		good
-       - "set arch"		trust blindly
-       - GDB startup		useless but harmless */
-
-  if (!from_xcoff_exec)
-    {
-      arch = info.bfd_arch_info->arch;
-      mach = info.bfd_arch_info->mach;
-    }
-  else
-    {
-      arch = bfd_arch_powerpc;
-      mach = 0;
-      bfd_default_set_arch_mach (&abfd, arch, mach);
-      info.bfd_arch_info = bfd_get_arch_info (&abfd);
-    }
-  tdep = xmalloc (sizeof (struct gdbarch_tdep));
-  tdep->wordsize = wordsize;
-  tdep->osabi = osabi;
-
-  /* For e500 executables, the apuinfo section is of help here.  Such
-     section contains the identifier and revision number of each
-     Application-specific Processing Unit that is present on the
-     chip.  The content of the section is determined by the assembler
-     which looks at each instruction and determines which unit (and
-     which version of it) can execute it. In our case we just look for
-     the existance of the section.  */
-
-  if (info.abfd)
-    {
-      sect = bfd_get_section_by_name (info.abfd, ".PPC.EMB.apuinfo");
-      if (sect)
-	{
-	  arch = info.bfd_arch_info->arch;
-	  mach = bfd_mach_ppc_e500;
-	  bfd_default_set_arch_mach (&abfd, arch, mach);
-	  info.bfd_arch_info = bfd_get_arch_info (&abfd);
-	}
-    }
-
-  gdbarch = gdbarch_alloc (&info, tdep);
-  power = arch == bfd_arch_rs6000;
-
-  /* Initialize the number of real and pseudo registers in each variant.  */
-  init_variants ();
-
-  /* Choose variant.  */
-  v = find_variant_by_arch (arch, mach);
-  if (!v)
-    return NULL;
-
-  tdep->regs = v->regs;
-
-  tdep->ppc_gp0_regnum = 0;
-  tdep->ppc_gplast_regnum = 31;
-  tdep->ppc_toc_regnum = 2;
-  tdep->ppc_ps_regnum = 65;
-  tdep->ppc_cr_regnum = 66;
-  tdep->ppc_lr_regnum = 67;
-  tdep->ppc_ctr_regnum = 68;
-  tdep->ppc_xer_regnum = 69;
-  if (v->mach == bfd_mach_ppc_601)
-    tdep->ppc_mq_regnum = 124;
-  else if (power)
-    tdep->ppc_mq_regnum = 70;
-  else
-    tdep->ppc_mq_regnum = -1;
-  tdep->ppc_fpscr_regnum = power ? 71 : 70;
-
-  set_gdbarch_pc_regnum (gdbarch, 64);
-  set_gdbarch_sp_regnum (gdbarch, 1);
-  set_gdbarch_fp_regnum (gdbarch, 1);
-  set_gdbarch_deprecated_extract_return_value (gdbarch,
-					       rs6000_extract_return_value);
-  set_gdbarch_deprecated_store_return_value (gdbarch, rs6000_store_return_value);
-
-  if (v->arch == bfd_arch_powerpc)
-    switch (v->mach)
-      {
-      case bfd_mach_ppc: 
-	tdep->ppc_vr0_regnum = 71;
-	tdep->ppc_vrsave_regnum = 104;
-	tdep->ppc_ev0_regnum = -1;
-	tdep->ppc_ev31_regnum = -1;
-	break;
-      case bfd_mach_ppc_7400:
-	tdep->ppc_vr0_regnum = 119;
-	tdep->ppc_vrsave_regnum = 153;
-	tdep->ppc_ev0_regnum = -1;
-	tdep->ppc_ev31_regnum = -1;
-	break;
-      case bfd_mach_ppc_e500:
-        tdep->ppc_gp0_regnum = 39;
-        tdep->ppc_gplast_regnum = 70;
-        tdep->ppc_toc_regnum = -1;
-        tdep->ppc_ps_regnum = 1;
-        tdep->ppc_cr_regnum = 2;
-        tdep->ppc_lr_regnum = 3;
-        tdep->ppc_ctr_regnum = 4;
-        tdep->ppc_xer_regnum = 5;
-	tdep->ppc_ev0_regnum = 7;
-	tdep->ppc_ev31_regnum = 38;
-        set_gdbarch_pc_regnum (gdbarch, 0);
-        set_gdbarch_sp_regnum (gdbarch, 40);
-        set_gdbarch_fp_regnum (gdbarch, 40);
-        set_gdbarch_dwarf2_reg_to_regnum (gdbarch, e500_dwarf2_reg_to_regnum);
-        set_gdbarch_pseudo_register_read (gdbarch, e500_pseudo_register_read);
-        set_gdbarch_pseudo_register_write (gdbarch, e500_pseudo_register_write);
-        set_gdbarch_extract_return_value (gdbarch, e500_extract_return_value);
-        set_gdbarch_deprecated_store_return_value (gdbarch, e500_store_return_value);
-	break;
-      default:
-	tdep->ppc_vr0_regnum = -1;
-	tdep->ppc_vrsave_regnum = -1;
-	tdep->ppc_ev0_regnum = -1;
-	tdep->ppc_ev31_regnum = -1;
-	break;
-      }   
-
-  /* Set lr_frame_offset.  */
-  if (wordsize == 8)
-    tdep->lr_frame_offset = 16;
-  else if (sysv_abi)
-    tdep->lr_frame_offset = 4;
-  else
-    tdep->lr_frame_offset = 8;
-
-  /* Calculate byte offsets in raw register array.  */
-  tdep->regoff = xmalloc (v->num_tot_regs * sizeof (int));
-  for (i = off = 0; i < v->num_tot_regs; i++)
-    {
-      tdep->regoff[i] = off;
-      off += regsize (v->regs + i, wordsize);
-    }
-
-  /* Select instruction printer.  */
-  if (arch == power)
-    set_gdbarch_print_insn (gdbarch, print_insn_rs6000);
-  else
-    set_gdbarch_print_insn (gdbarch, gdb_print_insn_powerpc);
-
-  set_gdbarch_read_pc (gdbarch, generic_target_read_pc);
-  set_gdbarch_write_pc (gdbarch, generic_target_write_pc);
-  set_gdbarch_read_fp (gdbarch, generic_target_read_fp);
-  set_gdbarch_read_sp (gdbarch, generic_target_read_sp);
-  set_gdbarch_write_sp (gdbarch, generic_target_write_sp);
-
-  set_gdbarch_num_regs (gdbarch, v->nregs);
-  set_gdbarch_num_pseudo_regs (gdbarch, v->npregs);
-  set_gdbarch_register_name (gdbarch, rs6000_register_name);
-  set_gdbarch_register_size (gdbarch, wordsize);
-  set_gdbarch_register_bytes (gdbarch, off);
-  set_gdbarch_register_byte (gdbarch, rs6000_register_byte);
-  set_gdbarch_register_raw_size (gdbarch, rs6000_register_raw_size);
-  set_gdbarch_max_register_raw_size (gdbarch, 16);
-  set_gdbarch_register_virtual_size (gdbarch, generic_register_size);
-  set_gdbarch_max_register_virtual_size (gdbarch, 16);
-  set_gdbarch_register_virtual_type (gdbarch, rs6000_register_virtual_type);
-
-  set_gdbarch_ptr_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
-  set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
-  set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
-  set_gdbarch_long_bit (gdbarch, wordsize * TARGET_CHAR_BIT);
-  set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
-  set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
-  set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
-  set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
-  set_gdbarch_char_signed (gdbarch, 0);
-
-  set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
-  set_gdbarch_call_dummy_length (gdbarch, 0);
-  set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
-  set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
-  set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1);
-  set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0);
-  set_gdbarch_call_dummy_start_offset (gdbarch, 0);
-  set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
-  set_gdbarch_call_dummy_p (gdbarch, 1);
-  set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
-  set_gdbarch_get_saved_register (gdbarch, generic_unwind_get_saved_register);
-  set_gdbarch_fix_call_dummy (gdbarch, rs6000_fix_call_dummy);
-  set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
-  set_gdbarch_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
-  set_gdbarch_push_return_address (gdbarch, ppc_push_return_address);
-  set_gdbarch_believe_pcc_promotion (gdbarch, 1);
-  set_gdbarch_coerce_float_to_double (gdbarch, rs6000_coerce_float_to_double);
-
-  set_gdbarch_register_convertible (gdbarch, rs6000_register_convertible);
-  set_gdbarch_register_convert_to_virtual (gdbarch, rs6000_register_convert_to_virtual);
-  set_gdbarch_register_convert_to_raw (gdbarch, rs6000_register_convert_to_raw);
-  set_gdbarch_stab_reg_to_regnum (gdbarch, rs6000_stab_reg_to_regnum);
-  /* Note: kevinb/2002-04-12: I'm not convinced that rs6000_push_arguments()
-     is correct for the SysV ABI when the wordsize is 8, but I'm also
-     fairly certain that ppc_sysv_abi_push_arguments() will give even
-     worse results since it only works for 32-bit code.  So, for the moment,
-     we're better off calling rs6000_push_arguments() since it works for
-     64-bit code.  At some point in the future, this matter needs to be
-     revisited.  */
-  if (sysv_abi && wordsize == 4)
-    set_gdbarch_push_arguments (gdbarch, ppc_sysv_abi_push_arguments);
-  else
-    set_gdbarch_push_arguments (gdbarch, rs6000_push_arguments);
-
-  set_gdbarch_store_struct_return (gdbarch, rs6000_store_struct_return);
-  set_gdbarch_deprecated_extract_struct_value_address (gdbarch, rs6000_extract_struct_value_address);
-  set_gdbarch_pop_frame (gdbarch, rs6000_pop_frame);
-
-  set_gdbarch_skip_prologue (gdbarch, rs6000_skip_prologue);
-  set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
-  set_gdbarch_decr_pc_after_break (gdbarch, 0);
-  set_gdbarch_function_start_offset (gdbarch, 0);
-  set_gdbarch_breakpoint_from_pc (gdbarch, rs6000_breakpoint_from_pc);
-
-  /* Not sure on this. FIXMEmgo */
-  set_gdbarch_frame_args_skip (gdbarch, 8);
-
-  if (sysv_abi)
-    set_gdbarch_use_struct_convention (gdbarch,
-    				       ppc_sysv_abi_use_struct_convention);
-  else
-    set_gdbarch_use_struct_convention (gdbarch,
-				       generic_use_struct_convention);
-
-  set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid);
-
-  set_gdbarch_frameless_function_invocation (gdbarch,
-                                         rs6000_frameless_function_invocation);
-  set_gdbarch_frame_chain (gdbarch, rs6000_frame_chain);
-  set_gdbarch_frame_saved_pc (gdbarch, rs6000_frame_saved_pc);
-
-  set_gdbarch_frame_init_saved_regs (gdbarch, rs6000_frame_init_saved_regs);
-  set_gdbarch_init_extra_frame_info (gdbarch, rs6000_init_extra_frame_info);
-
-  if (!sysv_abi)
-    {
-      /* Handle RS/6000 function pointers (which are really function
-         descriptors).  */
-      set_gdbarch_convert_from_func_ptr_addr (gdbarch,
-	rs6000_convert_from_func_ptr_addr);
-    }
-  set_gdbarch_frame_args_address (gdbarch, rs6000_frame_args_address);
-  set_gdbarch_frame_locals_address (gdbarch, rs6000_frame_args_address);
-  set_gdbarch_saved_pc_after_call (gdbarch, rs6000_saved_pc_after_call);
-
-  /* We can't tell how many args there are
-     now that the C compiler delays popping them.  */
-  set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
-
-  /* Hook in ABI-specific overrides, if they have been registered.  */
-  gdbarch_init_osabi (info, gdbarch, osabi);
-
-  return gdbarch;
-}
-
-static void
-rs6000_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
-  if (tdep == NULL)
-    return;
-
-  fprintf_unfiltered (file, "rs6000_dump_tdep: OS ABI = %s\n",
-		      gdbarch_osabi_name (tdep->osabi));
-}
-
-static struct cmd_list_element *info_powerpc_cmdlist = NULL;
-
-static void
-rs6000_info_powerpc_command (char *args, int from_tty)
-{
-  help_list (info_powerpc_cmdlist, "info powerpc ", class_info, gdb_stdout);
-}
-
-/* Initialization code.  */
-
-void
-_initialize_rs6000_tdep (void)
-{
-  gdbarch_register (bfd_arch_rs6000, rs6000_gdbarch_init, rs6000_dump_tdep);
-  gdbarch_register (bfd_arch_powerpc, rs6000_gdbarch_init, rs6000_dump_tdep);
-
-  /* Add root prefix command for "info powerpc" commands */
-  add_prefix_cmd ("powerpc", class_info, rs6000_info_powerpc_command,
-		  "Various POWERPC info specific commands.",
-		  &info_powerpc_cmdlist, "info powerpc ", 0, &infolist);
-}
author	nobody <>	2002-09-07 00:00:05 +0000
committer	nobody <>	2002-09-07 00:00:05 +0000
commit	c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch)
tree	a98633075cd1f2b034b49446e83e522708d11f68 /gdb/rs6000-tdep.c
parent	2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff)
download	gdb-sid-20020905-branch.zip gdb-sid-20020905-branch.tar.gz gdb-sid-20020905-branch.tar.bz2