diff options
| author | nobody <> | 2002-09-07 00:00:05 +0000 |
|---|---|---|
| committer | nobody <> | 2002-09-07 00:00:05 +0000 |
| commit | c1aa2a27e755c883b5c49b223120dfb712ea4e28 (patch) | |
| tree | a98633075cd1f2b034b49446e83e522708d11f68 /gdb/sparc-tdep.c | |
| parent | 2e3c0e2427295c9cc09a8a707dfba38d50e2ba30 (diff) | |
| download | gdb-sid-20020905-branch.zip gdb-sid-20020905-branch.tar.gz gdb-sid-20020905-branch.tar.bz2 | |
This commit was manufactured by cvs2svn to create branchsid-20020905-branchpointsid-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
gdb/config/mips/vr4xxx.mt
gdb/config/mips/vr4xxxel.mt
gdb/config/mips/vr5000.mt
gdb/config/mips/vr5000el.mt
gdb/config/mips/vxmips.mt
gdb/config/mips/wince.mt
gdb/config/mips/xm-irix3.h
gdb/config/mips/xm-irix4.h
gdb/config/mips/xm-irix5.h
gdb/config/mips/xm-irix6.h
gdb/config/mips/xm-linux.h
gdb/config/mips/xm-mips.h
gdb/config/mips/xm-mipsm3.h
gdb/config/mips/xm-mipsv4.h
gdb/config/mips/xm-riscos.h
gdb/config/mn10200/mn10200.mt
gdb/config/mn10200/tm-mn10200.h
gdb/config/mn10300/mn10300.mt
gdb/config/nm-gnu.h
gdb/config/nm-linux.h
gdb/config/nm-lynx.h
gdb/config/nm-m3.h
gdb/config/nm-nbsd.h
gdb/config/nm-nbsdaout.h
gdb/config/nm-sysv4.h
gdb/config/none/nm-none.h
gdb/config/none/none.mh
gdb/config/none/none.mt
gdb/config/none/tm-none.h
gdb/config/none/xm-none.h
gdb/config/ns32k/nbsdaout.mh
gdb/config/ns32k/nbsdaout.mt
gdb/config/ns32k/nm-nbsd.h
gdb/config/ns32k/nm-nbsdaout.h
gdb/config/ns32k/tm-nbsd.h
gdb/config/ns32k/tm-ns32k.h
gdb/config/ns32k/xm-nbsd.h
gdb/config/pa/hppa.mt
gdb/config/pa/hppa64.mt
gdb/config/pa/hppabsd.mh
gdb/config/pa/hppabsd.mt
gdb/config/pa/hppahpux.mh
gdb/config/pa/hppahpux.mt
gdb/config/pa/hppaosf.mh
gdb/config/pa/hppaosf.mt
gdb/config/pa/hppapro.mt
gdb/config/pa/hpux1020.mh
gdb/config/pa/hpux1020.mt
gdb/config/pa/hpux11.mh
gdb/config/pa/hpux11.mt
gdb/config/pa/hpux11w.mh
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sim/testsuite/sim/fr30/or.cgs
sim/testsuite/sim/fr30/orb.cgs
sim/testsuite/sim/fr30/orccr.cgs
sim/testsuite/sim/fr30/orh.cgs
sim/testsuite/sim/fr30/ret.cgs
sim/testsuite/sim/fr30/reti.cgs
sim/testsuite/sim/fr30/st.cgs
sim/testsuite/sim/fr30/stb.cgs
sim/testsuite/sim/fr30/sth.cgs
sim/testsuite/sim/fr30/stilm.cgs
sim/testsuite/sim/fr30/stm0.cgs
sim/testsuite/sim/fr30/stm1.cgs
sim/testsuite/sim/fr30/stres.cgs
sim/testsuite/sim/fr30/sub.cgs
sim/testsuite/sim/fr30/subc.cgs
sim/testsuite/sim/fr30/subn.cgs
sim/testsuite/sim/fr30/testutils.inc
sim/testsuite/sim/fr30/xchb.cgs
sim/testsuite/sim/m32r/add.cgs
sim/testsuite/sim/m32r/add3.cgs
sim/testsuite/sim/m32r/addi.cgs
sim/testsuite/sim/m32r/addv.cgs
sim/testsuite/sim/m32r/addv3.cgs
sim/testsuite/sim/m32r/addx.cgs
sim/testsuite/sim/m32r/allinsn.exp
sim/testsuite/sim/m32r/and.cgs
sim/testsuite/sim/m32r/and3.cgs
sim/testsuite/sim/m32r/bc24.cgs
sim/testsuite/sim/m32r/bc8.cgs
sim/testsuite/sim/m32r/beq.cgs
sim/testsuite/sim/m32r/beqz.cgs
sim/testsuite/sim/m32r/bgez.cgs
sim/testsuite/sim/m32r/bgtz.cgs
sim/testsuite/sim/m32r/bl24.cgs
sim/testsuite/sim/m32r/bl8.cgs
sim/testsuite/sim/m32r/blez.cgs
sim/testsuite/sim/m32r/bltz.cgs
sim/testsuite/sim/m32r/bnc24.cgs
sim/testsuite/sim/m32r/bnc8.cgs
sim/testsuite/sim/m32r/bne.cgs
sim/testsuite/sim/m32r/bnez.cgs
sim/testsuite/sim/m32r/bra24.cgs
sim/testsuite/sim/m32r/bra8.cgs
sim/testsuite/sim/m32r/cmp.cgs
sim/testsuite/sim/m32r/cmpi.cgs
sim/testsuite/sim/m32r/cmpu.cgs
sim/testsuite/sim/m32r/cmpui.cgs
sim/testsuite/sim/m32r/div.cgs
sim/testsuite/sim/m32r/divu.cgs
sim/testsuite/sim/m32r/hello.ms
sim/testsuite/sim/m32r/hw-trap.ms
sim/testsuite/sim/m32r/jl.cgs
sim/testsuite/sim/m32r/jmp.cgs
sim/testsuite/sim/m32r/ld-d.cgs
sim/testsuite/sim/m32r/ld-plus.cgs
sim/testsuite/sim/m32r/ld.cgs
sim/testsuite/sim/m32r/ld24.cgs
sim/testsuite/sim/m32r/ldb-d.cgs
sim/testsuite/sim/m32r/ldb.cgs
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
Diffstat (limited to 'gdb/sparc-tdep.c')
| -rw-r--r-- | gdb/sparc-tdep.c | 3323 |
1 files changed, 0 insertions, 3323 deletions
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c deleted file mode 100644 index 033cc81..0000000 --- a/gdb/sparc-tdep.c +++ /dev/null @@ -1,3323 +0,0 @@ -/* Target-dependent code for the SPARC for GDB, the GNU debugger. - - Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, - 1996, 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, - Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* ??? Support for calling functions from gdb in sparc64 is unfinished. */ - -#include "defs.h" -#include "arch-utils.h" -#include "frame.h" -#include "inferior.h" -#include "target.h" -#include "value.h" -#include "bfd.h" -#include "gdb_string.h" -#include "regcache.h" -#include "osabi.h" - -#ifdef USE_PROC_FS -#include <sys/procfs.h> -/* Prototypes for supply_gregset etc. */ -#include "gregset.h" -#endif - -#include "gdbcore.h" - -#include "symfile.h" /* for 'entry_point_address' */ - -/* - * Some local macros that have multi-arch and non-multi-arch versions: - */ - -#if (GDB_MULTI_ARCH > 0) - -/* Does the target have Floating Point registers? */ -#define SPARC_HAS_FPU (gdbarch_tdep (current_gdbarch)->has_fpu) -/* Number of bytes devoted to Floating Point registers: */ -#define FP_REGISTER_BYTES (gdbarch_tdep (current_gdbarch)->fp_register_bytes) -/* Highest numbered Floating Point register. */ -#define FP_MAX_REGNUM (gdbarch_tdep (current_gdbarch)->fp_max_regnum) -/* Size of a general (integer) register: */ -#define SPARC_INTREG_SIZE (gdbarch_tdep (current_gdbarch)->intreg_size) -/* Offset within the call dummy stack of the saved registers. */ -#define DUMMY_REG_SAVE_OFFSET (gdbarch_tdep (current_gdbarch)->reg_save_offset) - -#else /* non-multi-arch */ - - -/* Does the target have Floating Point registers? */ -#if defined(TARGET_SPARCLET) || defined(TARGET_SPARCLITE) -#define SPARC_HAS_FPU 0 -#else -#define SPARC_HAS_FPU 1 -#endif - -/* Number of bytes devoted to Floating Point registers: */ -#if (GDB_TARGET_IS_SPARC64) -#define FP_REGISTER_BYTES (64 * 4) -#else -#if (SPARC_HAS_FPU) -#define FP_REGISTER_BYTES (32 * 4) -#else -#define FP_REGISTER_BYTES 0 -#endif -#endif - -/* Highest numbered Floating Point register. */ -#if (GDB_TARGET_IS_SPARC64) -#define FP_MAX_REGNUM (FP0_REGNUM + 48) -#else -#define FP_MAX_REGNUM (FP0_REGNUM + 32) -#endif - -/* Size of a general (integer) register: */ -#define SPARC_INTREG_SIZE (REGISTER_RAW_SIZE (G0_REGNUM)) - -/* Offset within the call dummy stack of the saved registers. */ -#if (GDB_TARGET_IS_SPARC64) -#define DUMMY_REG_SAVE_OFFSET (128 + 16) -#else -#define DUMMY_REG_SAVE_OFFSET 0x60 -#endif - -#endif /* GDB_MULTI_ARCH */ - -struct gdbarch_tdep - { - int has_fpu; - int fp_register_bytes; - int y_regnum; - int fp_max_regnum; - int intreg_size; - int reg_save_offset; - int call_dummy_call_offset; - int print_insn_mach; - - enum gdb_osabi osabi; - }; - -/* Now make GDB_TARGET_IS_SPARC64 a runtime test. */ -/* FIXME MVS: or try testing bfd_arch_info.arch and bfd_arch_info.mach ... - * define GDB_TARGET_IS_SPARC64 \ - * (TARGET_ARCHITECTURE->arch == bfd_arch_sparc && \ - * (TARGET_ARCHITECTURE->mach == bfd_mach_sparc_v9 || \ - * TARGET_ARCHITECTURE->mach == bfd_mach_sparc_v9a)) - */ - -/* From infrun.c */ -extern int stop_after_trap; - -/* We don't store all registers immediately when requested, since they - get sent over in large chunks anyway. Instead, we accumulate most - of the changes and send them over once. "deferred_stores" keeps - track of which sets of registers we have locally-changed copies of, - so we only need send the groups that have changed. */ - -int deferred_stores = 0; /* Accumulated stores we want to do eventually. */ - - -/* Some machines, such as Fujitsu SPARClite 86x, have a bi-endian mode - where instructions are big-endian and data are little-endian. - This flag is set when we detect that the target is of this type. */ - -int bi_endian = 0; - - -/* Fetch a single instruction. Even on bi-endian machines - such as sparc86x, instructions are always big-endian. */ - -static unsigned long -fetch_instruction (CORE_ADDR pc) -{ - unsigned long retval; - int i; - unsigned char buf[4]; - - read_memory (pc, buf, sizeof (buf)); - - /* Start at the most significant end of the integer, and work towards - the least significant. */ - retval = 0; - for (i = 0; i < sizeof (buf); ++i) - retval = (retval << 8) | buf[i]; - return retval; -} - - -/* Branches with prediction are treated like their non-predicting cousins. */ -/* FIXME: What about floating point branches? */ - -/* Macros to extract fields from sparc instructions. */ -#define X_OP(i) (((i) >> 30) & 0x3) -#define X_RD(i) (((i) >> 25) & 0x1f) -#define X_A(i) (((i) >> 29) & 1) -#define X_COND(i) (((i) >> 25) & 0xf) -#define X_OP2(i) (((i) >> 22) & 0x7) -#define X_IMM22(i) ((i) & 0x3fffff) -#define X_OP3(i) (((i) >> 19) & 0x3f) -#define X_RS1(i) (((i) >> 14) & 0x1f) -#define X_I(i) (((i) >> 13) & 1) -#define X_IMM13(i) ((i) & 0x1fff) -/* Sign extension macros. */ -#define X_SIMM13(i) ((X_IMM13 (i) ^ 0x1000) - 0x1000) -#define X_DISP22(i) ((X_IMM22 (i) ^ 0x200000) - 0x200000) -#define X_CC(i) (((i) >> 20) & 3) -#define X_P(i) (((i) >> 19) & 1) -#define X_DISP19(i) ((((i) & 0x7ffff) ^ 0x40000) - 0x40000) -#define X_RCOND(i) (((i) >> 25) & 7) -#define X_DISP16(i) ((((((i) >> 6) && 0xc000) | ((i) & 0x3fff)) ^ 0x8000) - 0x8000) -#define X_FCN(i) (((i) >> 25) & 31) - -typedef enum -{ - Error, not_branch, bicc, bicca, ba, baa, ticc, ta, done_retry -} branch_type; - -/* Simulate single-step ptrace call for sun4. Code written by Gary - Beihl (beihl@mcc.com). */ - -/* npc4 and next_pc describe the situation at the time that the - step-breakpoint was set, not necessary the current value of NPC_REGNUM. */ -static CORE_ADDR next_pc, npc4, target; -static int brknpc4, brktrg; -typedef char binsn_quantum[BREAKPOINT_MAX]; -static binsn_quantum break_mem[3]; - -static branch_type isbranch (long, CORE_ADDR, CORE_ADDR *); - -/* single_step() is called just before we want to resume the inferior, - if we want to single-step it but there is no hardware or kernel single-step - support (as on all SPARCs). We find all the possible targets of the - coming instruction and breakpoint them. - - single_step is also called just after the inferior stops. If we had - set up a simulated single-step, we undo our damage. */ - -void -sparc_software_single_step (enum target_signal ignore, /* pid, but we don't need it */ - int insert_breakpoints_p) -{ - branch_type br; - CORE_ADDR pc; - long pc_instruction; - - if (insert_breakpoints_p) - { - /* Always set breakpoint for NPC. */ - next_pc = read_register (NPC_REGNUM); - npc4 = next_pc + 4; /* branch not taken */ - - target_insert_breakpoint (next_pc, break_mem[0]); - /* printf_unfiltered ("set break at %x\n",next_pc); */ - - pc = read_register (PC_REGNUM); - pc_instruction = fetch_instruction (pc); - br = isbranch (pc_instruction, pc, &target); - brknpc4 = brktrg = 0; - - if (br == bicca) - { - /* Conditional annulled branch will either end up at - npc (if taken) or at npc+4 (if not taken). - Trap npc+4. */ - brknpc4 = 1; - target_insert_breakpoint (npc4, break_mem[1]); - } - else if (br == baa && target != next_pc) - { - /* Unconditional annulled branch will always end up at - the target. */ - brktrg = 1; - target_insert_breakpoint (target, break_mem[2]); - } - else if (GDB_TARGET_IS_SPARC64 && br == done_retry) - { - brktrg = 1; - target_insert_breakpoint (target, break_mem[2]); - } - } - else - { - /* Remove breakpoints */ - target_remove_breakpoint (next_pc, break_mem[0]); - - if (brknpc4) - target_remove_breakpoint (npc4, break_mem[1]); - - if (brktrg) - target_remove_breakpoint (target, break_mem[2]); - } -} - -struct frame_extra_info -{ - CORE_ADDR bottom; - int in_prologue; - int flat; - /* Following fields only relevant for flat frames. */ - CORE_ADDR pc_addr; - CORE_ADDR fp_addr; - /* Add this to ->frame to get the value of the stack pointer at the - time of the register saves. */ - int sp_offset; -}; - -/* Call this for each newly created frame. For SPARC, we need to - calculate the bottom of the frame, and do some extra work if the - prologue has been generated via the -mflat option to GCC. In - particular, we need to know where the previous fp and the pc have - been stashed, since their exact position within the frame may vary. */ - -void -sparc_init_extra_frame_info (int fromleaf, struct frame_info *fi) -{ - char *name; - CORE_ADDR prologue_start, prologue_end; - int insn; - - fi->extra_info = (struct frame_extra_info *) - frame_obstack_alloc (sizeof (struct frame_extra_info)); - frame_saved_regs_zalloc (fi); - - fi->extra_info->bottom = - (fi->next ? - (fi->frame == fi->next->frame ? fi->next->extra_info->bottom : - fi->next->frame) : read_sp ()); - - /* If fi->next is NULL, then we already set ->frame by passing read_fp() - to create_new_frame. */ - if (fi->next) - { - char *buf; - - buf = alloca (MAX_REGISTER_RAW_SIZE); - - /* Compute ->frame as if not flat. If it is flat, we'll change - it later. */ - if (fi->next->next != NULL - && (fi->next->next->signal_handler_caller - || frame_in_dummy (fi->next->next)) - && frameless_look_for_prologue (fi->next)) - { - /* A frameless function interrupted by a signal did not change - the frame pointer, fix up frame pointer accordingly. */ - fi->frame = FRAME_FP (fi->next); - fi->extra_info->bottom = fi->next->extra_info->bottom; - } - else - { - /* Should we adjust for stack bias here? */ - get_saved_register (buf, 0, 0, fi, FP_REGNUM, 0); - fi->frame = extract_address (buf, REGISTER_RAW_SIZE (FP_REGNUM)); - - if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1)) - fi->frame += 2047; - } - } - - /* Decide whether this is a function with a ``flat register window'' - frame. For such functions, the frame pointer is actually in %i7. */ - fi->extra_info->flat = 0; - fi->extra_info->in_prologue = 0; - if (find_pc_partial_function (fi->pc, &name, &prologue_start, &prologue_end)) - { - /* See if the function starts with an add (which will be of a - negative number if a flat frame) to the sp. FIXME: Does not - handle large frames which will need more than one instruction - to adjust the sp. */ - insn = fetch_instruction (prologue_start); - if (X_OP (insn) == 2 && X_RD (insn) == 14 && X_OP3 (insn) == 0 - && X_I (insn) && X_SIMM13 (insn) < 0) - { - int offset = X_SIMM13 (insn); - - /* Then look for a save of %i7 into the frame. */ - insn = fetch_instruction (prologue_start + 4); - if (X_OP (insn) == 3 - && X_RD (insn) == 31 - && X_OP3 (insn) == 4 - && X_RS1 (insn) == 14) - { - char *buf; - - buf = alloca (MAX_REGISTER_RAW_SIZE); - - /* We definitely have a flat frame now. */ - fi->extra_info->flat = 1; - - fi->extra_info->sp_offset = offset; - - /* Overwrite the frame's address with the value in %i7. */ - get_saved_register (buf, 0, 0, fi, I7_REGNUM, 0); - fi->frame = extract_address (buf, REGISTER_RAW_SIZE (I7_REGNUM)); - - if (GDB_TARGET_IS_SPARC64 && (fi->frame & 1)) - fi->frame += 2047; - - /* Record where the fp got saved. */ - fi->extra_info->fp_addr = - fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn); - - /* Also try to collect where the pc got saved to. */ - fi->extra_info->pc_addr = 0; - insn = fetch_instruction (prologue_start + 12); - if (X_OP (insn) == 3 - && X_RD (insn) == 15 - && X_OP3 (insn) == 4 - && X_RS1 (insn) == 14) - fi->extra_info->pc_addr = - fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn); - } - } - else - { - /* Check if the PC is in the function prologue before a SAVE - instruction has been executed yet. If so, set the frame - to the current value of the stack pointer and set - the in_prologue flag. */ - CORE_ADDR addr; - struct symtab_and_line sal; - - sal = find_pc_line (prologue_start, 0); - if (sal.line == 0) /* no line info, use PC */ - prologue_end = fi->pc; - else if (sal.end < prologue_end) - prologue_end = sal.end; - if (fi->pc < prologue_end) - { - for (addr = prologue_start; addr < fi->pc; addr += 4) - { - insn = read_memory_integer (addr, 4); - if (X_OP (insn) == 2 && X_OP3 (insn) == 0x3c) - break; /* SAVE seen, stop searching */ - } - if (addr >= fi->pc) - { - fi->extra_info->in_prologue = 1; - fi->frame = read_register (SP_REGNUM); - } - } - } - } - if (fi->next && fi->frame == 0) - { - /* Kludge to cause init_prev_frame_info to destroy the new frame. */ - fi->frame = fi->next->frame; - fi->pc = fi->next->pc; - } -} - -CORE_ADDR -sparc_frame_chain (struct frame_info *frame) -{ - /* Value that will cause FRAME_CHAIN_VALID to not worry about the chain - value. If it really is zero, we detect it later in - sparc_init_prev_frame. */ - return (CORE_ADDR) 1; -} - -CORE_ADDR -sparc_extract_struct_value_address (char *regbuf) -{ - return extract_address (regbuf + REGISTER_BYTE (O0_REGNUM), - REGISTER_RAW_SIZE (O0_REGNUM)); -} - -/* Find the pc saved in frame FRAME. */ - -CORE_ADDR -sparc_frame_saved_pc (struct frame_info *frame) -{ - char *buf; - CORE_ADDR addr; - - buf = alloca (MAX_REGISTER_RAW_SIZE); - if (frame->signal_handler_caller) - { - /* This is the signal trampoline frame. - Get the saved PC from the sigcontext structure. */ - -#ifndef SIGCONTEXT_PC_OFFSET -#define SIGCONTEXT_PC_OFFSET 12 -#endif - - CORE_ADDR sigcontext_addr; - char *scbuf; - int saved_pc_offset = SIGCONTEXT_PC_OFFSET; - char *name = NULL; - - scbuf = alloca (TARGET_PTR_BIT / HOST_CHAR_BIT); - - /* Solaris2 ucbsigvechandler passes a pointer to a sigcontext - as the third parameter. The offset to the saved pc is 12. */ - find_pc_partial_function (frame->pc, &name, - (CORE_ADDR *) NULL, (CORE_ADDR *) NULL); - if (name && STREQ (name, "ucbsigvechandler")) - saved_pc_offset = 12; - - /* The sigcontext address is contained in register O2. */ - get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL, - frame, O0_REGNUM + 2, (enum lval_type *) NULL); - sigcontext_addr = extract_address (buf, REGISTER_RAW_SIZE (O0_REGNUM + 2)); - - /* Don't cause a memory_error when accessing sigcontext in case the - stack layout has changed or the stack is corrupt. */ - target_read_memory (sigcontext_addr + saved_pc_offset, - scbuf, sizeof (scbuf)); - return extract_address (scbuf, sizeof (scbuf)); - } - else if (frame->extra_info->in_prologue || - (frame->next != NULL && - (frame->next->signal_handler_caller || - frame_in_dummy (frame->next)) && - frameless_look_for_prologue (frame))) - { - /* A frameless function interrupted by a signal did not save - the PC, it is still in %o7. */ - get_saved_register (buf, (int *) NULL, (CORE_ADDR *) NULL, - frame, O7_REGNUM, (enum lval_type *) NULL); - return PC_ADJUST (extract_address (buf, SPARC_INTREG_SIZE)); - } - if (frame->extra_info->flat) - addr = frame->extra_info->pc_addr; - else - addr = frame->extra_info->bottom + FRAME_SAVED_I0 + - SPARC_INTREG_SIZE * (I7_REGNUM - I0_REGNUM); - - if (addr == 0) - /* A flat frame leaf function might not save the PC anywhere, - just leave it in %o7. */ - return PC_ADJUST (read_register (O7_REGNUM)); - - read_memory (addr, buf, SPARC_INTREG_SIZE); - return PC_ADJUST (extract_address (buf, SPARC_INTREG_SIZE)); -} - -/* Since an individual frame in the frame cache is defined by two - arguments (a frame pointer and a stack pointer), we need two - arguments to get info for an arbitrary stack frame. This routine - takes two arguments and makes the cached frames look as if these - two arguments defined a frame on the cache. This allows the rest - of info frame to extract the important arguments without - difficulty. */ - -struct frame_info * -setup_arbitrary_frame (int argc, CORE_ADDR *argv) -{ - struct frame_info *frame; - - if (argc != 2) - error ("Sparc frame specifications require two arguments: fp and sp"); - - frame = create_new_frame (argv[0], 0); - - if (!frame) - internal_error (__FILE__, __LINE__, - "create_new_frame returned invalid frame"); - - frame->extra_info->bottom = argv[1]; - frame->pc = FRAME_SAVED_PC (frame); - return frame; -} - -/* Given a pc value, skip it forward past the function prologue by - disassembling instructions that appear to be a prologue. - - If FRAMELESS_P is set, we are only testing to see if the function - is frameless. This allows a quicker answer. - - This routine should be more specific in its actions; making sure - that it uses the same register in the initial prologue section. */ - -static CORE_ADDR examine_prologue (CORE_ADDR, int, struct frame_info *, - CORE_ADDR *); - -static CORE_ADDR -examine_prologue (CORE_ADDR start_pc, int frameless_p, struct frame_info *fi, - CORE_ADDR *saved_regs) -{ - int insn; - int dest = -1; - CORE_ADDR pc = start_pc; - int is_flat = 0; - - insn = fetch_instruction (pc); - - /* Recognize the `sethi' insn and record its destination. */ - if (X_OP (insn) == 0 && X_OP2 (insn) == 4) - { - dest = X_RD (insn); - pc += 4; - insn = fetch_instruction (pc); - } - - /* Recognize an add immediate value to register to either %g1 or - the destination register recorded above. Actually, this might - well recognize several different arithmetic operations. - It doesn't check that rs1 == rd because in theory "sub %g0, 5, %g1" - followed by "save %sp, %g1, %sp" is a valid prologue (Not that - I imagine any compiler really does that, however). */ - if (X_OP (insn) == 2 - && X_I (insn) - && (X_RD (insn) == 1 || X_RD (insn) == dest)) - { - pc += 4; - insn = fetch_instruction (pc); - } - - /* Recognize any SAVE insn. */ - if (X_OP (insn) == 2 && X_OP3 (insn) == 60) - { - pc += 4; - if (frameless_p) /* If the save is all we care about, */ - return pc; /* return before doing more work */ - insn = fetch_instruction (pc); - } - /* Recognize add to %sp. */ - else if (X_OP (insn) == 2 && X_RD (insn) == 14 && X_OP3 (insn) == 0) - { - pc += 4; - if (frameless_p) /* If the add is all we care about, */ - return pc; /* return before doing more work */ - is_flat = 1; - insn = fetch_instruction (pc); - /* Recognize store of frame pointer (i7). */ - if (X_OP (insn) == 3 - && X_RD (insn) == 31 - && X_OP3 (insn) == 4 - && X_RS1 (insn) == 14) - { - pc += 4; - insn = fetch_instruction (pc); - - /* Recognize sub %sp, <anything>, %i7. */ - if (X_OP (insn) == 2 - && X_OP3 (insn) == 4 - && X_RS1 (insn) == 14 - && X_RD (insn) == 31) - { - pc += 4; - insn = fetch_instruction (pc); - } - else - return pc; - } - else - return pc; - } - else - /* Without a save or add instruction, it's not a prologue. */ - return start_pc; - - while (1) - { - /* Recognize stores into the frame from the input registers. - This recognizes all non alternate stores of an input register, - into a location offset from the frame pointer between - +68 and +92. */ - - /* The above will fail for arguments that are promoted - (eg. shorts to ints or floats to doubles), because the compiler - will pass them in positive-offset frame space, but the prologue - will save them (after conversion) in negative frame space at an - unpredictable offset. Therefore I am going to remove the - restriction on the target-address of the save, on the theory - that any unbroken sequence of saves from input registers must - be part of the prologue. In un-optimized code (at least), I'm - fairly sure that the compiler would emit SOME other instruction - (eg. a move or add) before emitting another save that is actually - a part of the function body. - - Besides, the reserved stack space is different for SPARC64 anyway. - - MVS 4/23/2000 */ - - if (X_OP (insn) == 3 - && (X_OP3 (insn) & 0x3c) == 4 /* Store, non-alternate. */ - && (X_RD (insn) & 0x18) == 0x18 /* Input register. */ - && X_I (insn) /* Immediate mode. */ - && X_RS1 (insn) == 30) /* Off of frame pointer. */ - ; /* empty statement -- fall thru to end of loop */ - else if (GDB_TARGET_IS_SPARC64 - && X_OP (insn) == 3 - && (X_OP3 (insn) & 0x3c) == 12 /* store, extended (64-bit) */ - && (X_RD (insn) & 0x18) == 0x18 /* input register */ - && X_I (insn) /* immediate mode */ - && X_RS1 (insn) == 30) /* off of frame pointer */ - ; /* empty statement -- fall thru to end of loop */ - else if (X_OP (insn) == 3 - && (X_OP3 (insn) & 0x3c) == 36 /* store, floating-point */ - && X_I (insn) /* immediate mode */ - && X_RS1 (insn) == 30) /* off of frame pointer */ - ; /* empty statement -- fall thru to end of loop */ - else if (is_flat - && X_OP (insn) == 3 - && X_OP3 (insn) == 4 /* store? */ - && X_RS1 (insn) == 14) /* off of frame pointer */ - { - if (saved_regs && X_I (insn)) - saved_regs[X_RD (insn)] = - fi->frame + fi->extra_info->sp_offset + X_SIMM13 (insn); - } - else - break; - pc += 4; - insn = fetch_instruction (pc); - } - - return pc; -} - -/* Advance PC across any function entry prologue instructions to reach - some "real" code. */ - -CORE_ADDR -sparc_skip_prologue (CORE_ADDR start_pc) -{ - struct symtab_and_line sal; - CORE_ADDR func_start, func_end; - - /* This is the preferred method, find the end of the prologue by - using the debugging information. */ - if (find_pc_partial_function (start_pc, NULL, &func_start, &func_end)) - { - sal = find_pc_line (func_start, 0); - - if (sal.end < func_end - && start_pc <= sal.end) - return sal.end; - } - - /* Oh well, examine the code by hand. */ - return examine_prologue (start_pc, 0, NULL, NULL); -} - -/* Is the prologue at IP frameless? */ - -int -sparc_prologue_frameless_p (CORE_ADDR ip) -{ - return ip == examine_prologue (ip, 1, NULL, NULL); -} - -/* Check instruction at ADDR to see if it is a branch. - All non-annulled instructions will go to NPC or will trap. - Set *TARGET if we find a candidate branch; set to zero if not. - - This isn't static as it's used by remote-sa.sparc.c. */ - -static branch_type -isbranch (long instruction, CORE_ADDR addr, CORE_ADDR *target) -{ - branch_type val = not_branch; - long int offset = 0; /* Must be signed for sign-extend. */ - - *target = 0; - - if (X_OP (instruction) == 0 - && (X_OP2 (instruction) == 2 - || X_OP2 (instruction) == 6 - || X_OP2 (instruction) == 1 - || X_OP2 (instruction) == 3 - || X_OP2 (instruction) == 5 - || (GDB_TARGET_IS_SPARC64 && X_OP2 (instruction) == 7))) - { - if (X_COND (instruction) == 8) - val = X_A (instruction) ? baa : ba; - else - val = X_A (instruction) ? bicca : bicc; - switch (X_OP2 (instruction)) - { - case 7: - if (!GDB_TARGET_IS_SPARC64) - break; - /* else fall thru */ - case 2: - case 6: - offset = 4 * X_DISP22 (instruction); - break; - case 1: - case 5: - offset = 4 * X_DISP19 (instruction); - break; - case 3: - offset = 4 * X_DISP16 (instruction); - break; - } - *target = addr + offset; - } - else if (GDB_TARGET_IS_SPARC64 - && X_OP (instruction) == 2 - && X_OP3 (instruction) == 62) - { - if (X_FCN (instruction) == 0) - { - /* done */ - *target = read_register (TNPC_REGNUM); - val = done_retry; - } - else if (X_FCN (instruction) == 1) - { - /* retry */ - *target = read_register (TPC_REGNUM); - val = done_retry; - } - } - - return val; -} - -/* Find register number REGNUM relative to FRAME and put its - (raw) contents in *RAW_BUFFER. Set *OPTIMIZED if the variable - was optimized out (and thus can't be fetched). If the variable - was fetched from memory, set *ADDRP to where it was fetched from, - otherwise it was fetched from a register. - - The argument RAW_BUFFER must point to aligned memory. */ - -void -sparc_get_saved_register (char *raw_buffer, int *optimized, CORE_ADDR *addrp, - struct frame_info *frame, int regnum, - enum lval_type *lval) -{ - struct frame_info *frame1; - CORE_ADDR addr; - - if (!target_has_registers) - error ("No registers."); - - if (optimized) - *optimized = 0; - - addr = 0; - - /* FIXME This code extracted from infcmd.c; should put elsewhere! */ - if (frame == NULL) - { - /* error ("No selected frame."); */ - if (!target_has_registers) - error ("The program has no registers now."); - if (selected_frame == NULL) - error ("No selected frame."); - /* Try to use selected frame */ - frame = get_prev_frame (selected_frame); - if (frame == 0) - error ("Cmd not meaningful in the outermost frame."); - } - - - frame1 = frame->next; - - /* Get saved PC from the frame info if not in innermost frame. */ - if (regnum == PC_REGNUM && frame1 != NULL) - { - if (lval != NULL) - *lval = not_lval; - if (raw_buffer != NULL) - { - /* Put it back in target format. */ - store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), frame->pc); - } - if (addrp != NULL) - *addrp = 0; - return; - } - - while (frame1 != NULL) - { - /* FIXME MVS: wrong test for dummy frame at entry. */ - - if (frame1->pc >= (frame1->extra_info->bottom ? - frame1->extra_info->bottom : read_sp ()) - && frame1->pc <= FRAME_FP (frame1)) - { - /* Dummy frame. All but the window regs are in there somewhere. - The window registers are saved on the stack, just like in a - normal frame. */ - if (regnum >= G1_REGNUM && regnum < G1_REGNUM + 7) - addr = frame1->frame + (regnum - G0_REGNUM) * SPARC_INTREG_SIZE - - (FP_REGISTER_BYTES + 8 * SPARC_INTREG_SIZE); - else if (regnum >= I0_REGNUM && regnum < I0_REGNUM + 8) - /* NOTE: cagney/2002-05-04: The call to get_prev_frame() - is safe/cheap - there will always be a prev frame. - This is because frame1 is initialized to frame->next - (frame1->prev == frame) and is then advanced towards - the innermost (next) frame. */ - addr = (get_prev_frame (frame1)->extra_info->bottom - + (regnum - I0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_I0); - else if (regnum >= L0_REGNUM && regnum < L0_REGNUM + 8) - /* NOTE: cagney/2002-05-04: The call to get_prev_frame() - is safe/cheap - there will always be a prev frame. - This is because frame1 is initialized to frame->next - (frame1->prev == frame) and is then advanced towards - the innermost (next) frame. */ - addr = (get_prev_frame (frame1)->extra_info->bottom - + (regnum - L0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_L0); - else if (regnum >= O0_REGNUM && regnum < O0_REGNUM + 8) - addr = frame1->frame + (regnum - O0_REGNUM) * SPARC_INTREG_SIZE - - (FP_REGISTER_BYTES + 16 * SPARC_INTREG_SIZE); - else if (SPARC_HAS_FPU && - regnum >= FP0_REGNUM && regnum < FP0_REGNUM + 32) - addr = frame1->frame + (regnum - FP0_REGNUM) * 4 - - (FP_REGISTER_BYTES); - else if (GDB_TARGET_IS_SPARC64 && SPARC_HAS_FPU && - regnum >= FP0_REGNUM + 32 && regnum < FP_MAX_REGNUM) - addr = frame1->frame + 32 * 4 + (regnum - FP0_REGNUM - 32) * 8 - - (FP_REGISTER_BYTES); - else if (regnum >= Y_REGNUM && regnum < NUM_REGS) - addr = frame1->frame + (regnum - Y_REGNUM) * SPARC_INTREG_SIZE - - (FP_REGISTER_BYTES + 24 * SPARC_INTREG_SIZE); - } - else if (frame1->extra_info->flat) - { - - if (regnum == RP_REGNUM) - addr = frame1->extra_info->pc_addr; - else if (regnum == I7_REGNUM) - addr = frame1->extra_info->fp_addr; - else - { - CORE_ADDR func_start; - CORE_ADDR *regs; - - regs = alloca (NUM_REGS * sizeof (CORE_ADDR)); - memset (regs, 0, NUM_REGS * sizeof (CORE_ADDR)); - - find_pc_partial_function (frame1->pc, NULL, &func_start, NULL); - examine_prologue (func_start, 0, frame1, regs); - addr = regs[regnum]; - } - } - else - { - /* Normal frame. Local and In registers are saved on stack. */ - if (regnum >= I0_REGNUM && regnum < I0_REGNUM + 8) - addr = (get_prev_frame (frame1)->extra_info->bottom - + (regnum - I0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_I0); - else if (regnum >= L0_REGNUM && regnum < L0_REGNUM + 8) - addr = (get_prev_frame (frame1)->extra_info->bottom - + (regnum - L0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_L0); - else if (regnum >= O0_REGNUM && regnum < O0_REGNUM + 8) - { - /* Outs become ins. */ - get_saved_register (raw_buffer, optimized, addrp, frame1, - (regnum - O0_REGNUM + I0_REGNUM), lval); - return; - } - } - if (addr != 0) - break; - frame1 = frame1->next; - } - if (addr != 0) - { - if (lval != NULL) - *lval = lval_memory; - if (regnum == SP_REGNUM) - { - if (raw_buffer != NULL) - { - /* Put it back in target format. */ - store_address (raw_buffer, REGISTER_RAW_SIZE (regnum), addr); - } - if (addrp != NULL) - *addrp = 0; - return; - } - if (raw_buffer != NULL) - read_memory (addr, raw_buffer, REGISTER_RAW_SIZE (regnum)); - } - else - { - if (lval != NULL) - *lval = lval_register; - addr = REGISTER_BYTE (regnum); - if (raw_buffer != NULL) - read_register_gen (regnum, raw_buffer); - } - if (addrp != NULL) - *addrp = addr; -} - -/* Push an empty stack frame, and record in it the current PC, regs, etc. - - We save the non-windowed registers and the ins. The locals and outs - are new; they don't need to be saved. The i's and l's of - the last frame were already saved on the stack. */ - -/* Definitely see tm-sparc.h for more doc of the frame format here. */ - -/* See tm-sparc.h for how this is calculated. */ - -#define DUMMY_STACK_REG_BUF_SIZE \ - (((8+8+8) * SPARC_INTREG_SIZE) + FP_REGISTER_BYTES) -#define DUMMY_STACK_SIZE \ - (DUMMY_STACK_REG_BUF_SIZE + DUMMY_REG_SAVE_OFFSET) - -void -sparc_push_dummy_frame (void) -{ - CORE_ADDR sp, old_sp; - char *register_temp; - - register_temp = alloca (DUMMY_STACK_SIZE); - - old_sp = sp = read_sp (); - - if (GDB_TARGET_IS_SPARC64) - { - /* PC, NPC, CCR, FSR, FPRS, Y, ASI */ - read_register_bytes (REGISTER_BYTE (PC_REGNUM), ®ister_temp[0], - REGISTER_RAW_SIZE (PC_REGNUM) * 7); - read_register_bytes (REGISTER_BYTE (PSTATE_REGNUM), - ®ister_temp[7 * SPARC_INTREG_SIZE], - REGISTER_RAW_SIZE (PSTATE_REGNUM)); - /* FIXME: not sure what needs to be saved here. */ - } - else - { - /* Y, PS, WIM, TBR, PC, NPC, FPS, CPS regs */ - read_register_bytes (REGISTER_BYTE (Y_REGNUM), ®ister_temp[0], - REGISTER_RAW_SIZE (Y_REGNUM) * 8); - } - - read_register_bytes (REGISTER_BYTE (O0_REGNUM), - ®ister_temp[8 * SPARC_INTREG_SIZE], - SPARC_INTREG_SIZE * 8); - - read_register_bytes (REGISTER_BYTE (G0_REGNUM), - ®ister_temp[16 * SPARC_INTREG_SIZE], - SPARC_INTREG_SIZE * 8); - - if (SPARC_HAS_FPU) - read_register_bytes (REGISTER_BYTE (FP0_REGNUM), - ®ister_temp[24 * SPARC_INTREG_SIZE], - FP_REGISTER_BYTES); - - sp -= DUMMY_STACK_SIZE; - - write_sp (sp); - - write_memory (sp + DUMMY_REG_SAVE_OFFSET, ®ister_temp[0], - DUMMY_STACK_REG_BUF_SIZE); - - if (strcmp (target_shortname, "sim") != 0) - { - /* NOTE: cagney/2002-04-04: The code below originally contained - GDB's _only_ call to write_fp(). That call was eliminated by - inlining the corresponding code. For the 64 bit case, the - old function (sparc64_write_fp) did the below although I'm - not clear why. The same goes for why this is only done when - the underlying target is a simulator. */ - if (GDB_TARGET_IS_SPARC64) - { - /* Target is a 64 bit SPARC. */ - CORE_ADDR oldfp = read_register (FP_REGNUM); - if (oldfp & 1) - write_register (FP_REGNUM, old_sp - 2047); - else - write_register (FP_REGNUM, old_sp); - } - else - { - /* Target is a 32 bit SPARC. */ - write_register (FP_REGNUM, old_sp); - } - /* Set return address register for the call dummy to the current PC. */ - write_register (I7_REGNUM, read_pc () - 8); - } - else - { - /* The call dummy will write this value to FP before executing - the 'save'. This ensures that register window flushes work - correctly in the simulator. */ - write_register (G0_REGNUM + 1, read_register (FP_REGNUM)); - - /* The call dummy will write this value to FP after executing - the 'save'. */ - write_register (G0_REGNUM + 2, old_sp); - - /* The call dummy will write this value to the return address (%i7) after - executing the 'save'. */ - write_register (G0_REGNUM + 3, read_pc () - 8); - - /* Set the FP that the call dummy will be using after the 'save'. - This makes backtraces from an inferior function call work properly. */ - write_register (FP_REGNUM, old_sp); - } -} - -/* sparc_frame_find_saved_regs (). This function is here only because - pop_frame uses it. Note there is an interesting corner case which - I think few ports of GDB get right--if you are popping a frame - which does not save some register that *is* saved by a more inner - frame (such a frame will never be a dummy frame because dummy - frames save all registers). Rewriting pop_frame to use - get_saved_register would solve this problem and also get rid of the - ugly duplication between sparc_frame_find_saved_regs and - get_saved_register. - - Stores, into an array of CORE_ADDR, - 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. - - Note that on register window machines, we are currently making the - assumption that window registers are being saved somewhere in the - frame in which they are being used. If they are stored in an - inferior frame, find_saved_register will break. - - On the Sun 4, the only time all registers are saved is when - a dummy frame is involved. Otherwise, the only saved registers - are the LOCAL and IN registers which are saved as a result - of the "save/restore" opcodes. This condition is determined - by address rather than by value. - - The "pc" is not stored in a frame on the SPARC. (What is stored - is a return address minus 8.) sparc_pop_frame knows how to - deal with that. Other routines might or might not. - - See tm-sparc.h (PUSH_DUMMY_FRAME and friends) for CRITICAL information - about how this works. */ - -static void sparc_frame_find_saved_regs (struct frame_info *, CORE_ADDR *); - -static void -sparc_frame_find_saved_regs (struct frame_info *fi, CORE_ADDR *saved_regs_addr) -{ - register int regnum; - CORE_ADDR frame_addr = FRAME_FP (fi); - - if (!fi) - internal_error (__FILE__, __LINE__, - "Bad frame info struct in FRAME_FIND_SAVED_REGS"); - - memset (saved_regs_addr, 0, NUM_REGS * sizeof (CORE_ADDR)); - - if (fi->pc >= (fi->extra_info->bottom ? - fi->extra_info->bottom : read_sp ()) - && fi->pc <= FRAME_FP (fi)) - { - /* Dummy frame. All but the window regs are in there somewhere. */ - for (regnum = G1_REGNUM; regnum < G1_REGNUM + 7; regnum++) - saved_regs_addr[regnum] = - frame_addr + (regnum - G0_REGNUM) * SPARC_INTREG_SIZE - - DUMMY_STACK_REG_BUF_SIZE + 16 * SPARC_INTREG_SIZE; - - for (regnum = I0_REGNUM; regnum < I0_REGNUM + 8; regnum++) - saved_regs_addr[regnum] = - frame_addr + (regnum - I0_REGNUM) * SPARC_INTREG_SIZE - - DUMMY_STACK_REG_BUF_SIZE + 8 * SPARC_INTREG_SIZE; - - if (SPARC_HAS_FPU) - for (regnum = FP0_REGNUM; regnum < FP_MAX_REGNUM; regnum++) - saved_regs_addr[regnum] = frame_addr + (regnum - FP0_REGNUM) * 4 - - DUMMY_STACK_REG_BUF_SIZE + 24 * SPARC_INTREG_SIZE; - - if (GDB_TARGET_IS_SPARC64) - { - for (regnum = PC_REGNUM; regnum < PC_REGNUM + 7; regnum++) - { - saved_regs_addr[regnum] = - frame_addr + (regnum - PC_REGNUM) * SPARC_INTREG_SIZE - - DUMMY_STACK_REG_BUF_SIZE; - } - saved_regs_addr[PSTATE_REGNUM] = - frame_addr + 8 * SPARC_INTREG_SIZE - DUMMY_STACK_REG_BUF_SIZE; - } - else - for (regnum = Y_REGNUM; regnum < NUM_REGS; regnum++) - saved_regs_addr[regnum] = - frame_addr + (regnum - Y_REGNUM) * SPARC_INTREG_SIZE - - DUMMY_STACK_REG_BUF_SIZE; - - frame_addr = fi->extra_info->bottom ? - fi->extra_info->bottom : read_sp (); - } - else if (fi->extra_info->flat) - { - CORE_ADDR func_start; - find_pc_partial_function (fi->pc, NULL, &func_start, NULL); - examine_prologue (func_start, 0, fi, saved_regs_addr); - - /* Flat register window frame. */ - saved_regs_addr[RP_REGNUM] = fi->extra_info->pc_addr; - saved_regs_addr[I7_REGNUM] = fi->extra_info->fp_addr; - } - else - { - /* Normal frame. Just Local and In registers */ - frame_addr = fi->extra_info->bottom ? - fi->extra_info->bottom : read_sp (); - for (regnum = L0_REGNUM; regnum < L0_REGNUM + 8; regnum++) - saved_regs_addr[regnum] = - (frame_addr + (regnum - L0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_L0); - for (regnum = I0_REGNUM; regnum < I0_REGNUM + 8; regnum++) - saved_regs_addr[regnum] = - (frame_addr + (regnum - I0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_I0); - } - if (fi->next) - { - if (fi->extra_info->flat) - { - saved_regs_addr[O7_REGNUM] = fi->extra_info->pc_addr; - } - else - { - /* Pull off either the next frame pointer or the stack pointer */ - CORE_ADDR next_next_frame_addr = - (fi->next->extra_info->bottom ? - fi->next->extra_info->bottom : read_sp ()); - for (regnum = O0_REGNUM; regnum < O0_REGNUM + 8; regnum++) - saved_regs_addr[regnum] = - (next_next_frame_addr - + (regnum - O0_REGNUM) * SPARC_INTREG_SIZE - + FRAME_SAVED_I0); - } - } - /* Otherwise, whatever we would get from ptrace(GETREGS) is accurate */ - /* FIXME -- should this adjust for the sparc64 offset? */ - saved_regs_addr[SP_REGNUM] = FRAME_FP (fi); -} - -/* Discard from the stack the innermost frame, restoring all saved registers. - - Note that the values stored in fsr by get_frame_saved_regs are *in - the context of the called frame*. What this means is that the i - regs of fsr must be restored into the o regs of the (calling) frame that - we pop into. We don't care about the output regs of the calling frame, - since unless it's a dummy frame, it won't have any output regs in it. - - We never have to bother with %l (local) regs, since the called routine's - locals get tossed, and the calling routine's locals are already saved - on its stack. */ - -/* Definitely see tm-sparc.h for more doc of the frame format here. */ - -void -sparc_pop_frame (void) -{ - register struct frame_info *frame = get_current_frame (); - register CORE_ADDR pc; - CORE_ADDR *fsr; - char *raw_buffer; - int regnum; - - fsr = alloca (NUM_REGS * sizeof (CORE_ADDR)); - raw_buffer = alloca (REGISTER_BYTES); - sparc_frame_find_saved_regs (frame, &fsr[0]); - if (SPARC_HAS_FPU) - { - if (fsr[FP0_REGNUM]) - { - read_memory (fsr[FP0_REGNUM], raw_buffer, FP_REGISTER_BYTES); - write_register_bytes (REGISTER_BYTE (FP0_REGNUM), - raw_buffer, FP_REGISTER_BYTES); - } - if (!(GDB_TARGET_IS_SPARC64)) - { - if (fsr[FPS_REGNUM]) - { - read_memory (fsr[FPS_REGNUM], raw_buffer, SPARC_INTREG_SIZE); - write_register_gen (FPS_REGNUM, raw_buffer); - } - if (fsr[CPS_REGNUM]) - { - read_memory (fsr[CPS_REGNUM], raw_buffer, SPARC_INTREG_SIZE); - write_register_gen (CPS_REGNUM, raw_buffer); - } - } - } - if (fsr[G1_REGNUM]) - { - read_memory (fsr[G1_REGNUM], raw_buffer, 7 * SPARC_INTREG_SIZE); - write_register_bytes (REGISTER_BYTE (G1_REGNUM), raw_buffer, - 7 * SPARC_INTREG_SIZE); - } - - if (frame->extra_info->flat) - { - /* Each register might or might not have been saved, need to test - individually. */ - for (regnum = L0_REGNUM; regnum < L0_REGNUM + 8; ++regnum) - if (fsr[regnum]) - write_register (regnum, read_memory_integer (fsr[regnum], - SPARC_INTREG_SIZE)); - for (regnum = I0_REGNUM; regnum < I0_REGNUM + 8; ++regnum) - if (fsr[regnum]) - write_register (regnum, read_memory_integer (fsr[regnum], - SPARC_INTREG_SIZE)); - - /* Handle all outs except stack pointer (o0-o5; o7). */ - for (regnum = O0_REGNUM; regnum < O0_REGNUM + 6; ++regnum) - if (fsr[regnum]) - write_register (regnum, read_memory_integer (fsr[regnum], - SPARC_INTREG_SIZE)); - if (fsr[O0_REGNUM + 7]) - write_register (O0_REGNUM + 7, - read_memory_integer (fsr[O0_REGNUM + 7], - SPARC_INTREG_SIZE)); - - write_sp (frame->frame); - } - else if (fsr[I0_REGNUM]) - { - CORE_ADDR sp; - - char *reg_temp; - - reg_temp = alloca (SPARC_INTREG_SIZE * 16); - - read_memory (fsr[I0_REGNUM], raw_buffer, 8 * SPARC_INTREG_SIZE); - - /* Get the ins and locals which we are about to restore. Just - moving the stack pointer is all that is really needed, except - store_inferior_registers is then going to write the ins and - locals from the registers array, so we need to muck with the - registers array. */ - sp = fsr[SP_REGNUM]; - - if (GDB_TARGET_IS_SPARC64 && (sp & 1)) - sp += 2047; - - read_memory (sp, reg_temp, SPARC_INTREG_SIZE * 16); - - /* Restore the out registers. - Among other things this writes the new stack pointer. */ - write_register_bytes (REGISTER_BYTE (O0_REGNUM), raw_buffer, - SPARC_INTREG_SIZE * 8); - - write_register_bytes (REGISTER_BYTE (L0_REGNUM), reg_temp, - SPARC_INTREG_SIZE * 16); - } - - if (!(GDB_TARGET_IS_SPARC64)) - if (fsr[PS_REGNUM]) - write_register (PS_REGNUM, - read_memory_integer (fsr[PS_REGNUM], - REGISTER_RAW_SIZE (PS_REGNUM))); - - if (fsr[Y_REGNUM]) - write_register (Y_REGNUM, - read_memory_integer (fsr[Y_REGNUM], - REGISTER_RAW_SIZE (Y_REGNUM))); - if (fsr[PC_REGNUM]) - { - /* Explicitly specified PC (and maybe NPC) -- just restore them. */ - write_register (PC_REGNUM, - read_memory_integer (fsr[PC_REGNUM], - REGISTER_RAW_SIZE (PC_REGNUM))); - if (fsr[NPC_REGNUM]) - write_register (NPC_REGNUM, - read_memory_integer (fsr[NPC_REGNUM], - REGISTER_RAW_SIZE (NPC_REGNUM))); - } - else if (frame->extra_info->flat) - { - if (frame->extra_info->pc_addr) - pc = PC_ADJUST ((CORE_ADDR) - read_memory_integer (frame->extra_info->pc_addr, - REGISTER_RAW_SIZE (PC_REGNUM))); - else - { - /* I think this happens only in the innermost frame, if so then - it is a complicated way of saying - "pc = read_register (O7_REGNUM);". */ - char *buf; - - buf = alloca (MAX_REGISTER_RAW_SIZE); - get_saved_register (buf, 0, 0, frame, O7_REGNUM, 0); - pc = PC_ADJUST (extract_address - (buf, REGISTER_RAW_SIZE (O7_REGNUM))); - } - - write_register (PC_REGNUM, pc); - write_register (NPC_REGNUM, pc + 4); - } - else if (fsr[I7_REGNUM]) - { - /* Return address in %i7 -- adjust it, then restore PC and NPC from it */ - pc = PC_ADJUST ((CORE_ADDR) read_memory_integer (fsr[I7_REGNUM], - SPARC_INTREG_SIZE)); - write_register (PC_REGNUM, pc); - write_register (NPC_REGNUM, pc + 4); - } - flush_cached_frames (); -} - -/* On the Sun 4 under SunOS, the compile will leave a fake insn which - encodes the structure size being returned. If we detect such - a fake insn, step past it. */ - -CORE_ADDR -sparc_pc_adjust (CORE_ADDR pc) -{ - unsigned long insn; - char buf[4]; - int err; - - err = target_read_memory (pc + 8, buf, 4); - insn = extract_unsigned_integer (buf, 4); - if ((err == 0) && (insn & 0xffc00000) == 0) - return pc + 12; - else - return pc + 8; -} - -/* If pc is in a shared library trampoline, return its target. - The SunOs 4.x linker rewrites the jump table entries for PIC - compiled modules in the main executable to bypass the dynamic linker - with jumps of the form - sethi %hi(addr),%g1 - jmp %g1+%lo(addr) - and removes the corresponding jump table relocation entry in the - dynamic relocations. - find_solib_trampoline_target relies on the presence of the jump - table relocation entry, so we have to detect these jump instructions - by hand. */ - -CORE_ADDR -sunos4_skip_trampoline_code (CORE_ADDR pc) -{ - unsigned long insn1; - char buf[4]; - int err; - - err = target_read_memory (pc, buf, 4); - insn1 = extract_unsigned_integer (buf, 4); - if (err == 0 && (insn1 & 0xffc00000) == 0x03000000) - { - unsigned long insn2; - - err = target_read_memory (pc + 4, buf, 4); - insn2 = extract_unsigned_integer (buf, 4); - if (err == 0 && (insn2 & 0xffffe000) == 0x81c06000) - { - CORE_ADDR target_pc = (insn1 & 0x3fffff) << 10; - int delta = insn2 & 0x1fff; - - /* Sign extend the displacement. */ - if (delta & 0x1000) - delta |= ~0x1fff; - return target_pc + delta; - } - } - return find_solib_trampoline_target (pc); -} - -#ifdef USE_PROC_FS /* Target dependent support for /proc */ -/* *INDENT-OFF* */ -/* The /proc interface divides the target machine's register set up into - two different sets, the general register set (gregset) and the floating - point register set (fpregset). For each set, there is an ioctl to get - the current register set and another ioctl to set the current values. - - The actual structure passed through the ioctl interface is, of course, - naturally machine dependent, and is different for each set of registers. - For the sparc for example, the general register set is typically defined - by: - - typedef int gregset_t[38]; - - #define R_G0 0 - ... - #define R_TBR 37 - - and the floating point set by: - - typedef struct prfpregset { - union { - u_long pr_regs[32]; - double pr_dregs[16]; - } pr_fr; - void * pr_filler; - u_long pr_fsr; - u_char pr_qcnt; - u_char pr_q_entrysize; - u_char pr_en; - u_long pr_q[64]; - } prfpregset_t; - - These routines provide the packing and unpacking of gregset_t and - fpregset_t formatted data. - - */ -/* *INDENT-ON* */ - -/* Given a pointer to a general register set in /proc format (gregset_t *), - unpack the register contents and supply them as gdb's idea of the current - register values. */ - -void -supply_gregset (gdb_gregset_t *gregsetp) -{ - prgreg_t *regp = (prgreg_t *) gregsetp; - int regi, offset = 0; - - /* If the host is 64-bit sparc, but the target is 32-bit sparc, - then the gregset may contain 64-bit ints while supply_register - is expecting 32-bit ints. Compensate. */ - if (sizeof (regp[0]) == 8 && SPARC_INTREG_SIZE == 4) - offset = 4; - - /* GDB register numbers for Gn, On, Ln, In all match /proc reg numbers. */ - /* FIXME MVS: assumes the order of the first 32 elements... */ - for (regi = G0_REGNUM; regi <= I7_REGNUM; regi++) - { - supply_register (regi, ((char *) (regp + regi)) + offset); - } - - /* These require a bit more care. */ - supply_register (PC_REGNUM, ((char *) (regp + R_PC)) + offset); - supply_register (NPC_REGNUM, ((char *) (regp + R_nPC)) + offset); - supply_register (Y_REGNUM, ((char *) (regp + R_Y)) + offset); - - if (GDB_TARGET_IS_SPARC64) - { -#ifdef R_CCR - supply_register (CCR_REGNUM, ((char *) (regp + R_CCR)) + offset); -#else - supply_register (CCR_REGNUM, NULL); -#endif -#ifdef R_FPRS - supply_register (FPRS_REGNUM, ((char *) (regp + R_FPRS)) + offset); -#else - supply_register (FPRS_REGNUM, NULL); -#endif -#ifdef R_ASI - supply_register (ASI_REGNUM, ((char *) (regp + R_ASI)) + offset); -#else - supply_register (ASI_REGNUM, NULL); -#endif - } - else /* sparc32 */ - { -#ifdef R_PS - supply_register (PS_REGNUM, ((char *) (regp + R_PS)) + offset); -#else - supply_register (PS_REGNUM, NULL); -#endif - - /* For 64-bit hosts, R_WIM and R_TBR may not be defined. - Steal R_ASI and R_FPRS, and hope for the best! */ - -#if !defined (R_WIM) && defined (R_ASI) -#define R_WIM R_ASI -#endif - -#if !defined (R_TBR) && defined (R_FPRS) -#define R_TBR R_FPRS -#endif - -#if defined (R_WIM) - supply_register (WIM_REGNUM, ((char *) (regp + R_WIM)) + offset); -#else - supply_register (WIM_REGNUM, NULL); -#endif - -#if defined (R_TBR) - supply_register (TBR_REGNUM, ((char *) (regp + R_TBR)) + offset); -#else - supply_register (TBR_REGNUM, NULL); -#endif - } - - /* Fill inaccessible registers with zero. */ - if (GDB_TARGET_IS_SPARC64) - { - /* - * don't know how to get value of any of the following: - */ - supply_register (VER_REGNUM, NULL); - supply_register (TICK_REGNUM, NULL); - supply_register (PIL_REGNUM, NULL); - supply_register (PSTATE_REGNUM, NULL); - supply_register (TSTATE_REGNUM, NULL); - supply_register (TBA_REGNUM, NULL); - supply_register (TL_REGNUM, NULL); - supply_register (TT_REGNUM, NULL); - supply_register (TPC_REGNUM, NULL); - supply_register (TNPC_REGNUM, NULL); - supply_register (WSTATE_REGNUM, NULL); - supply_register (CWP_REGNUM, NULL); - supply_register (CANSAVE_REGNUM, NULL); - supply_register (CANRESTORE_REGNUM, NULL); - supply_register (CLEANWIN_REGNUM, NULL); - supply_register (OTHERWIN_REGNUM, NULL); - supply_register (ASR16_REGNUM, NULL); - supply_register (ASR17_REGNUM, NULL); - supply_register (ASR18_REGNUM, NULL); - supply_register (ASR19_REGNUM, NULL); - supply_register (ASR20_REGNUM, NULL); - supply_register (ASR21_REGNUM, NULL); - supply_register (ASR22_REGNUM, NULL); - supply_register (ASR23_REGNUM, NULL); - supply_register (ASR24_REGNUM, NULL); - supply_register (ASR25_REGNUM, NULL); - supply_register (ASR26_REGNUM, NULL); - supply_register (ASR27_REGNUM, NULL); - supply_register (ASR28_REGNUM, NULL); - supply_register (ASR29_REGNUM, NULL); - supply_register (ASR30_REGNUM, NULL); - supply_register (ASR31_REGNUM, NULL); - supply_register (ICC_REGNUM, NULL); - supply_register (XCC_REGNUM, NULL); - } - else - { - supply_register (CPS_REGNUM, NULL); - } -} - -void -fill_gregset (gdb_gregset_t *gregsetp, int regno) -{ - prgreg_t *regp = (prgreg_t *) gregsetp; - int regi, offset = 0; - - /* If the host is 64-bit sparc, but the target is 32-bit sparc, - then the gregset may contain 64-bit ints while supply_register - is expecting 32-bit ints. Compensate. */ - if (sizeof (regp[0]) == 8 && SPARC_INTREG_SIZE == 4) - offset = 4; - - for (regi = 0; regi <= R_I7; regi++) - if ((regno == -1) || (regno == regi)) - read_register_gen (regi, (char *) (regp + regi) + offset); - - if ((regno == -1) || (regno == PC_REGNUM)) - read_register_gen (PC_REGNUM, (char *) (regp + R_PC) + offset); - - if ((regno == -1) || (regno == NPC_REGNUM)) - read_register_gen (NPC_REGNUM, (char *) (regp + R_nPC) + offset); - - if ((regno == -1) || (regno == Y_REGNUM)) - read_register_gen (Y_REGNUM, (char *) (regp + R_Y) + offset); - - if (GDB_TARGET_IS_SPARC64) - { -#ifdef R_CCR - if (regno == -1 || regno == CCR_REGNUM) - read_register_gen (CCR_REGNUM, ((char *) (regp + R_CCR)) + offset); -#endif -#ifdef R_FPRS - if (regno == -1 || regno == FPRS_REGNUM) - read_register_gen (FPRS_REGNUM, ((char *) (regp + R_FPRS)) + offset); -#endif -#ifdef R_ASI - if (regno == -1 || regno == ASI_REGNUM) - read_register_gen (ASI_REGNUM, ((char *) (regp + R_ASI)) + offset); -#endif - } - else /* sparc32 */ - { -#ifdef R_PS - if (regno == -1 || regno == PS_REGNUM) - read_register_gen (PS_REGNUM, ((char *) (regp + R_PS)) + offset); -#endif - - /* For 64-bit hosts, R_WIM and R_TBR may not be defined. - Steal R_ASI and R_FPRS, and hope for the best! */ - -#if !defined (R_WIM) && defined (R_ASI) -#define R_WIM R_ASI -#endif - -#if !defined (R_TBR) && defined (R_FPRS) -#define R_TBR R_FPRS -#endif - -#if defined (R_WIM) - if (regno == -1 || regno == WIM_REGNUM) - read_register_gen (WIM_REGNUM, ((char *) (regp + R_WIM)) + offset); -#else - if (regno == -1 || regno == WIM_REGNUM) - read_register_gen (WIM_REGNUM, NULL); -#endif - -#if defined (R_TBR) - if (regno == -1 || regno == TBR_REGNUM) - read_register_gen (TBR_REGNUM, ((char *) (regp + R_TBR)) + offset); -#else - if (regno == -1 || regno == TBR_REGNUM) - read_register_gen (TBR_REGNUM, NULL); -#endif - } -} - -/* Given a pointer to a floating point register set in /proc format - (fpregset_t *), unpack the register contents and supply them as gdb's - idea of the current floating point register values. */ - -void -supply_fpregset (gdb_fpregset_t *fpregsetp) -{ - register int regi; - char *from; - - if (!SPARC_HAS_FPU) - return; - - for (regi = FP0_REGNUM; regi < FP_MAX_REGNUM; regi++) - { - from = (char *) &fpregsetp->pr_fr.pr_regs[regi - FP0_REGNUM]; - supply_register (regi, from); - } - - if (GDB_TARGET_IS_SPARC64) - { - /* - * don't know how to get value of the following. - */ - supply_register (FSR_REGNUM, NULL); /* zero it out for now */ - supply_register (FCC0_REGNUM, NULL); - supply_register (FCC1_REGNUM, NULL); /* don't know how to get value */ - supply_register (FCC2_REGNUM, NULL); /* don't know how to get value */ - supply_register (FCC3_REGNUM, NULL); /* don't know how to get value */ - } - else - { - supply_register (FPS_REGNUM, (char *) &(fpregsetp->pr_fsr)); - } -} - -/* Given a pointer to a floating point register set in /proc format - (fpregset_t *), update the register specified by REGNO from gdb's idea - of the current floating point register set. If REGNO is -1, update - them all. */ -/* This will probably need some changes for sparc64. */ - -void -fill_fpregset (gdb_fpregset_t *fpregsetp, int regno) -{ - int regi; - char *to; - char *from; - - if (!SPARC_HAS_FPU) - return; - - for (regi = FP0_REGNUM; regi < FP_MAX_REGNUM; regi++) - { - if ((regno == -1) || (regno == regi)) - { - from = (char *) ®isters[REGISTER_BYTE (regi)]; - to = (char *) &fpregsetp->pr_fr.pr_regs[regi - FP0_REGNUM]; - memcpy (to, from, REGISTER_RAW_SIZE (regi)); - } - } - - if (!(GDB_TARGET_IS_SPARC64)) /* FIXME: does Sparc64 have this register? */ - if ((regno == -1) || (regno == FPS_REGNUM)) - { - from = (char *)®isters[REGISTER_BYTE (FPS_REGNUM)]; - to = (char *) &fpregsetp->pr_fsr; - memcpy (to, from, REGISTER_RAW_SIZE (FPS_REGNUM)); - } -} - -#endif /* USE_PROC_FS */ - -/* Because of Multi-arch, GET_LONGJMP_TARGET is always defined. So test - for a definition of JB_PC. */ -#ifdef JB_PC - -/* Figure out where the longjmp will land. We expect that we have just entered - longjmp and haven't yet setup the stack frame, so the args are still in the - output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we - extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. - This routine returns true on success */ - -int -get_longjmp_target (CORE_ADDR *pc) -{ - CORE_ADDR jb_addr; -#define LONGJMP_TARGET_SIZE 4 - char buf[LONGJMP_TARGET_SIZE]; - - jb_addr = read_register (O0_REGNUM); - - if (target_read_memory (jb_addr + JB_PC * JB_ELEMENT_SIZE, buf, - LONGJMP_TARGET_SIZE)) - return 0; - - *pc = extract_address (buf, LONGJMP_TARGET_SIZE); - - return 1; -} -#endif /* GET_LONGJMP_TARGET */ - -#ifdef STATIC_TRANSFORM_NAME -/* SunPRO (3.0 at least), encodes the static variables. This is not - related to C++ mangling, it is done for C too. */ - -char * -sunpro_static_transform_name (char *name) -{ - char *p; - if (name[0] == '$') - { - /* For file-local statics there will be a dollar sign, a bunch - of junk (the contents of which match a string given in the - N_OPT), a period and the name. For function-local statics - there will be a bunch of junk (which seems to change the - second character from 'A' to 'B'), a period, the name of the - function, and the name. So just skip everything before the - last period. */ - p = strrchr (name, '.'); - if (p != NULL) - name = p + 1; - } - return name; -} -#endif /* STATIC_TRANSFORM_NAME */ - - -/* Utilities for printing registers. - Page numbers refer to the SPARC Architecture Manual. */ - -static void dump_ccreg (char *, int); - -static void -dump_ccreg (char *reg, int val) -{ - /* page 41 */ - printf_unfiltered ("%s:%s,%s,%s,%s", reg, - val & 8 ? "N" : "NN", - val & 4 ? "Z" : "NZ", - val & 2 ? "O" : "NO", - val & 1 ? "C" : "NC"); -} - -static char * -decode_asi (int val) -{ - /* page 72 */ - switch (val) - { - case 4: - return "ASI_NUCLEUS"; - case 0x0c: - return "ASI_NUCLEUS_LITTLE"; - case 0x10: - return "ASI_AS_IF_USER_PRIMARY"; - case 0x11: - return "ASI_AS_IF_USER_SECONDARY"; - case 0x18: - return "ASI_AS_IF_USER_PRIMARY_LITTLE"; - case 0x19: - return "ASI_AS_IF_USER_SECONDARY_LITTLE"; - case 0x80: - return "ASI_PRIMARY"; - case 0x81: - return "ASI_SECONDARY"; - case 0x82: - return "ASI_PRIMARY_NOFAULT"; - case 0x83: - return "ASI_SECONDARY_NOFAULT"; - case 0x88: - return "ASI_PRIMARY_LITTLE"; - case 0x89: - return "ASI_SECONDARY_LITTLE"; - case 0x8a: - return "ASI_PRIMARY_NOFAULT_LITTLE"; - case 0x8b: - return "ASI_SECONDARY_NOFAULT_LITTLE"; - default: - return NULL; - } -} - -/* PRINT_REGISTER_HOOK routine. - Pretty print various registers. */ -/* FIXME: Would be nice if this did some fancy things for 32 bit sparc. */ - -void -sparc_print_register_hook (int regno) -{ - ULONGEST val; - - /* Handle double/quad versions of lower 32 fp regs. */ - if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 32 - && (regno & 1) == 0) - { - char value[16]; - - if (frame_register_read (selected_frame, regno, value) - && frame_register_read (selected_frame, regno + 1, value + 4)) - { - printf_unfiltered ("\t"); - print_floating (value, builtin_type_double, gdb_stdout); - } -#if 0 /* FIXME: gdb doesn't handle long doubles */ - if ((regno & 3) == 0) - { - if (frame_register_read (selected_frame, regno + 2, value + 8) - && frame_register_read (selected_frame, regno + 3, value + 12)) - { - printf_unfiltered ("\t"); - print_floating (value, builtin_type_long_double, gdb_stdout); - } - } -#endif - return; - } - -#if 0 /* FIXME: gdb doesn't handle long doubles */ - /* Print upper fp regs as long double if appropriate. */ - if (regno >= FP0_REGNUM + 32 && regno < FP_MAX_REGNUM - /* We test for even numbered regs and not a multiple of 4 because - the upper fp regs are recorded as doubles. */ - && (regno & 1) == 0) - { - char value[16]; - - if (frame_register_read (selected_frame, regno, value) - && frame_register_read (selected_frame, regno + 1, value + 8)) - { - printf_unfiltered ("\t"); - print_floating (value, builtin_type_long_double, gdb_stdout); - } - return; - } -#endif - - /* FIXME: Some of these are priviledged registers. - Not sure how they should be handled. */ - -#define BITS(n, mask) ((int) (((val) >> (n)) & (mask))) - - val = read_register (regno); - - /* pages 40 - 60 */ - if (GDB_TARGET_IS_SPARC64) - switch (regno) - { - case CCR_REGNUM: - printf_unfiltered ("\t"); - dump_ccreg ("xcc", val >> 4); - printf_unfiltered (", "); - dump_ccreg ("icc", val & 15); - break; - case FPRS_REGNUM: - printf ("\tfef:%d, du:%d, dl:%d", - BITS (2, 1), BITS (1, 1), BITS (0, 1)); - break; - case FSR_REGNUM: - { - static char *fcc[4] = - {"=", "<", ">", "?"}; - static char *rd[4] = - {"N", "0", "+", "-"}; - /* Long, but I'd rather leave it as is and use a wide screen. */ - printf_filtered ("\t0:%s, 1:%s, 2:%s, 3:%s, rd:%s, tem:%d, ", - fcc[BITS (10, 3)], fcc[BITS (32, 3)], - fcc[BITS (34, 3)], fcc[BITS (36, 3)], - rd[BITS (30, 3)], BITS (23, 31)); - printf_filtered ("ns:%d, ver:%d, ftt:%d, qne:%d, aexc:%d, cexc:%d", - BITS (22, 1), BITS (17, 7), BITS (14, 7), - BITS (13, 1), BITS (5, 31), BITS (0, 31)); - break; - } - case ASI_REGNUM: - { - char *asi = decode_asi (val); - if (asi != NULL) - printf ("\t%s", asi); - break; - } - case VER_REGNUM: - printf ("\tmanuf:%d, impl:%d, mask:%d, maxtl:%d, maxwin:%d", - BITS (48, 0xffff), BITS (32, 0xffff), - BITS (24, 0xff), BITS (8, 0xff), BITS (0, 31)); - break; - case PSTATE_REGNUM: - { - static char *mm[4] = - {"tso", "pso", "rso", "?"}; - printf_filtered ("\tcle:%d, tle:%d, mm:%s, red:%d, ", - BITS (9, 1), BITS (8, 1), - mm[BITS (6, 3)], BITS (5, 1)); - printf_filtered ("pef:%d, am:%d, priv:%d, ie:%d, ag:%d", - BITS (4, 1), BITS (3, 1), BITS (2, 1), - BITS (1, 1), BITS (0, 1)); - break; - } - case TSTATE_REGNUM: - /* FIXME: print all 4? */ - break; - case TT_REGNUM: - /* FIXME: print all 4? */ - break; - case TPC_REGNUM: - /* FIXME: print all 4? */ - break; - case TNPC_REGNUM: - /* FIXME: print all 4? */ - break; - case WSTATE_REGNUM: - printf ("\tother:%d, normal:%d", BITS (3, 7), BITS (0, 7)); - break; - case CWP_REGNUM: - printf ("\t%d", BITS (0, 31)); - break; - case CANSAVE_REGNUM: - printf ("\t%-2d before spill", BITS (0, 31)); - break; - case CANRESTORE_REGNUM: - printf ("\t%-2d before fill", BITS (0, 31)); - break; - case CLEANWIN_REGNUM: - printf ("\t%-2d before clean", BITS (0, 31)); - break; - case OTHERWIN_REGNUM: - printf ("\t%d", BITS (0, 31)); - break; - } - else /* Sparc32 */ - switch (regno) - { - case PS_REGNUM: - printf ("\ticc:%c%c%c%c, pil:%d, s:%d, ps:%d, et:%d, cwp:%d", - BITS (23, 1) ? 'N' : '-', BITS (22, 1) ? 'Z' : '-', - BITS (21, 1) ? 'V' : '-', BITS (20, 1) ? 'C' : '-', - BITS (8, 15), BITS (7, 1), BITS (6, 1), BITS (5, 1), - BITS (0, 31)); - break; - case FPS_REGNUM: - { - static char *fcc[4] = - {"=", "<", ">", "?"}; - static char *rd[4] = - {"N", "0", "+", "-"}; - /* Long, but I'd rather leave it as is and use a wide screen. */ - printf ("\trd:%s, tem:%d, ns:%d, ver:%d, ftt:%d, qne:%d, " - "fcc:%s, aexc:%d, cexc:%d", - rd[BITS (30, 3)], BITS (23, 31), BITS (22, 1), BITS (17, 7), - BITS (14, 7), BITS (13, 1), fcc[BITS (10, 3)], BITS (5, 31), - BITS (0, 31)); - break; - } - } - -#undef BITS -} - -int -gdb_print_insn_sparc (bfd_vma memaddr, disassemble_info *info) -{ - /* It's necessary to override mach again because print_insn messes it up. */ - info->mach = TARGET_ARCHITECTURE->mach; - return print_insn_sparc (memaddr, info); -} - -/* The SPARC passes the arguments on the stack; arguments smaller - than an int are promoted to an int. The first 6 words worth of - args are also passed in registers o0 - o5. */ - -CORE_ADDR -sparc32_push_arguments (int nargs, struct value **args, CORE_ADDR sp, - int struct_return, CORE_ADDR struct_addr) -{ - int i, j, oregnum; - int accumulate_size = 0; - struct sparc_arg - { - char *contents; - int len; - int offset; - }; - struct sparc_arg *sparc_args = - (struct sparc_arg *) alloca (nargs * sizeof (struct sparc_arg)); - struct sparc_arg *m_arg; - - /* Promote arguments if necessary, and calculate their stack offsets - and sizes. */ - for (i = 0, m_arg = sparc_args; i < nargs; i++, m_arg++) - { - struct value *arg = args[i]; - struct type *arg_type = check_typedef (VALUE_TYPE (arg)); - /* Cast argument to long if necessary as the compiler does it too. */ - switch (TYPE_CODE (arg_type)) - { - case TYPE_CODE_INT: - case TYPE_CODE_BOOL: - case TYPE_CODE_CHAR: - case TYPE_CODE_RANGE: - case TYPE_CODE_ENUM: - if (TYPE_LENGTH (arg_type) < TYPE_LENGTH (builtin_type_long)) - { - arg_type = builtin_type_long; - arg = value_cast (arg_type, arg); - } - break; - default: - break; - } - m_arg->len = TYPE_LENGTH (arg_type); - m_arg->offset = accumulate_size; - accumulate_size = (accumulate_size + m_arg->len + 3) & ~3; - m_arg->contents = VALUE_CONTENTS (arg); - } - - /* Make room for the arguments on the stack. */ - accumulate_size += CALL_DUMMY_STACK_ADJUST; - sp = ((sp - accumulate_size) & ~7) + CALL_DUMMY_STACK_ADJUST; - - /* `Push' arguments on the stack. */ - for (i = 0, oregnum = 0, m_arg = sparc_args; - i < nargs; - i++, m_arg++) - { - write_memory (sp + m_arg->offset, m_arg->contents, m_arg->len); - for (j = 0; - j < m_arg->len && oregnum < 6; - j += SPARC_INTREG_SIZE, oregnum++) - write_register_gen (O0_REGNUM + oregnum, m_arg->contents + j); - } - - return sp; -} - - -/* Extract from an array REGBUF containing the (raw) register state - a function return value of type TYPE, and copy that, in virtual format, - into VALBUF. */ - -void -sparc32_extract_return_value (struct type *type, char *regbuf, char *valbuf) -{ - int typelen = TYPE_LENGTH (type); - int regsize = REGISTER_RAW_SIZE (O0_REGNUM); - - if (TYPE_CODE (type) == TYPE_CODE_FLT && SPARC_HAS_FPU) - memcpy (valbuf, ®buf[REGISTER_BYTE (FP0_REGNUM)], typelen); - else - memcpy (valbuf, - ®buf[O0_REGNUM * regsize + - (typelen >= regsize - || TARGET_BYTE_ORDER == BFD_ENDIAN_LITTLE ? 0 - : regsize - typelen)], - typelen); -} - - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. On SPARCs with FPUs, - float values are returned in %f0 (and %f1). In all other cases, - values are returned in register %o0. */ - -void -sparc_store_return_value (struct type *type, char *valbuf) -{ - int regno; - char *buffer; - - buffer = alloca (MAX_REGISTER_RAW_SIZE); - - if (TYPE_CODE (type) == TYPE_CODE_FLT && SPARC_HAS_FPU) - /* Floating-point values are returned in the register pair */ - /* formed by %f0 and %f1 (doubles are, anyway). */ - regno = FP0_REGNUM; - else - /* Other values are returned in register %o0. */ - regno = O0_REGNUM; - - /* Add leading zeros to the value. */ - if (TYPE_LENGTH (type) < REGISTER_RAW_SIZE (regno)) - { - memset (buffer, 0, REGISTER_RAW_SIZE (regno)); - memcpy (buffer + REGISTER_RAW_SIZE (regno) - TYPE_LENGTH (type), valbuf, - TYPE_LENGTH (type)); - write_register_gen (regno, buffer); - } - else - write_register_bytes (REGISTER_BYTE (regno), valbuf, TYPE_LENGTH (type)); -} - -extern void -sparclet_store_return_value (struct type *type, char *valbuf) -{ - /* Other values are returned in register %o0. */ - write_register_bytes (REGISTER_BYTE (O0_REGNUM), valbuf, - TYPE_LENGTH (type)); -} - - -#ifndef CALL_DUMMY_CALL_OFFSET -#define CALL_DUMMY_CALL_OFFSET \ - (gdbarch_tdep (current_gdbarch)->call_dummy_call_offset) -#endif /* CALL_DUMMY_CALL_OFFSET */ - -/* Insert the function address into a call dummy instruction sequence - stored at DUMMY. - - For structs and unions, if the function was compiled with Sun cc, - it expects 'unimp' after the call. But gcc doesn't use that - (twisted) convention. So leave a nop there for gcc (FIX_CALL_DUMMY - can assume it is operating on a pristine CALL_DUMMY, not one that - has already been customized for a different function). */ - -void -sparc_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, - struct type *value_type, int using_gcc) -{ - int i; - - /* Store the relative adddress of the target function into the - 'call' instruction. */ - store_unsigned_integer (dummy + CALL_DUMMY_CALL_OFFSET, 4, - (0x40000000 - | (((fun - (pc + CALL_DUMMY_CALL_OFFSET)) >> 2) - & 0x3fffffff))); - - /* If the called function returns an aggregate value, fill in the UNIMP - instruction containing the size of the returned aggregate return value, - which follows the call instruction. - For details see the SPARC Architecture Manual Version 8, Appendix D.3. - - Adjust the call_dummy_breakpoint_offset for the bp_call_dummy breakpoint - to the proper address in the call dummy, so that `finish' after a stop - in a call dummy works. - Tweeking current_gdbarch is not an optimal solution, but the call to - sparc_fix_call_dummy is immediately followed by a call to run_stack_dummy, - which is the only function where dummy_breakpoint_offset is actually - used, if it is non-zero. */ - if (TYPE_CODE (value_type) == TYPE_CODE_STRUCT - || TYPE_CODE (value_type) == TYPE_CODE_UNION) - { - store_unsigned_integer (dummy + CALL_DUMMY_CALL_OFFSET + 8, 4, - TYPE_LENGTH (value_type) & 0x1fff); - set_gdbarch_call_dummy_breakpoint_offset (current_gdbarch, 0x30); - } - else - set_gdbarch_call_dummy_breakpoint_offset (current_gdbarch, 0x2c); - - if (!(GDB_TARGET_IS_SPARC64)) - { - /* If this is not a simulator target, change the first four - instructions of the call dummy to NOPs. Those instructions - include a 'save' instruction and are designed to work around - problems with register window flushing in the simulator. */ - - if (strcmp (target_shortname, "sim") != 0) - { - for (i = 0; i < 4; i++) - store_unsigned_integer (dummy + (i * 4), 4, 0x01000000); - } - } - - /* If this is a bi-endian target, GDB has written the call dummy - in little-endian order. We must byte-swap it back to big-endian. */ - if (bi_endian) - { - for (i = 0; i < CALL_DUMMY_LENGTH; i += 4) - { - char tmp = dummy[i]; - dummy[i] = dummy[i + 3]; - dummy[i + 3] = tmp; - tmp = dummy[i + 1]; - dummy[i + 1] = dummy[i + 2]; - dummy[i + 2] = tmp; - } - } -} - - -/* Set target byte order based on machine type. */ - -static int -sparc_target_architecture_hook (const bfd_arch_info_type *ap) -{ - int i, j; - - if (ap->mach == bfd_mach_sparc_sparclite_le) - { - target_byte_order = BFD_ENDIAN_LITTLE; - bi_endian = 1; - } - else - bi_endian = 0; - return 1; -} - - -/* - * Module "constructor" function. - */ - -static struct gdbarch * sparc_gdbarch_init (struct gdbarch_info info, - struct gdbarch_list *arches); -static void sparc_dump_tdep (struct gdbarch *, struct ui_file *); - -void -_initialize_sparc_tdep (void) -{ - /* Hook us into the gdbarch mechanism. */ - gdbarch_register (bfd_arch_sparc, sparc_gdbarch_init, sparc_dump_tdep); - - tm_print_insn = gdb_print_insn_sparc; - tm_print_insn_info.mach = TM_PRINT_INSN_MACH; /* Selects sparc/sparclite */ - target_architecture_hook = sparc_target_architecture_hook; -} - -/* Compensate for stack bias. Note that we currently don't handle - mixed 32/64 bit code. */ - -CORE_ADDR -sparc64_read_sp (void) -{ - CORE_ADDR sp = read_register (SP_REGNUM); - - if (sp & 1) - sp += 2047; - return sp; -} - -CORE_ADDR -sparc64_read_fp (void) -{ - CORE_ADDR fp = read_register (FP_REGNUM); - - if (fp & 1) - fp += 2047; - return fp; -} - -void -sparc64_write_sp (CORE_ADDR val) -{ - CORE_ADDR oldsp = read_register (SP_REGNUM); - if (oldsp & 1) - write_register (SP_REGNUM, val - 2047); - else - write_register (SP_REGNUM, val); -} - -/* The SPARC 64 ABI passes floating-point arguments in FP0 to FP31, - and all other arguments in O0 to O5. They are also copied onto - the stack in the correct places. Apparently (empirically), - structs of less than 16 bytes are passed member-by-member in - separate registers, but I am unable to figure out the algorithm. - Some members go in floating point regs, but I don't know which. - - FIXME: Handle small structs (less than 16 bytes containing floats). - - The counting regimen for using both integer and FP registers - for argument passing is rather odd -- a single counter is used - for both; this means that if the arguments alternate between - int and float, we will waste every other register of both types. */ - -CORE_ADDR -sparc64_push_arguments (int nargs, struct value **args, CORE_ADDR sp, - int struct_return, CORE_ADDR struct_retaddr) -{ - int i, j, register_counter = 0; - CORE_ADDR tempsp; - struct type *sparc_intreg_type = - TYPE_LENGTH (builtin_type_long) == SPARC_INTREG_SIZE ? - builtin_type_long : builtin_type_long_long; - - sp = (sp & ~(((unsigned long) SPARC_INTREG_SIZE) - 1UL)); - - /* Figure out how much space we'll need. */ - for (i = nargs - 1; i >= 0; i--) - { - int len = TYPE_LENGTH (check_typedef (VALUE_TYPE (args[i]))); - struct value *copyarg = args[i]; - int copylen = len; - - if (copylen < SPARC_INTREG_SIZE) - { - copyarg = value_cast (sparc_intreg_type, copyarg); - copylen = SPARC_INTREG_SIZE; - } - sp -= copylen; - } - - /* Round down. */ - sp = sp & ~7; - tempsp = sp; - - /* if STRUCT_RETURN, then first argument is the struct return location. */ - if (struct_return) - write_register (O0_REGNUM + register_counter++, struct_retaddr); - - /* Now write the arguments onto the stack, while writing FP - arguments into the FP registers, and other arguments into the - first six 'O' registers. */ - - for (i = 0; i < nargs; i++) - { - int len = TYPE_LENGTH (check_typedef (VALUE_TYPE (args[i]))); - struct value *copyarg = args[i]; - enum type_code typecode = TYPE_CODE (VALUE_TYPE (args[i])); - int copylen = len; - - if (typecode == TYPE_CODE_INT || - typecode == TYPE_CODE_BOOL || - typecode == TYPE_CODE_CHAR || - typecode == TYPE_CODE_RANGE || - typecode == TYPE_CODE_ENUM) - if (len < SPARC_INTREG_SIZE) - { - /* Small ints will all take up the size of one intreg on - the stack. */ - copyarg = value_cast (sparc_intreg_type, copyarg); - copylen = SPARC_INTREG_SIZE; - } - - write_memory (tempsp, VALUE_CONTENTS (copyarg), copylen); - tempsp += copylen; - - /* Corner case: Structs consisting of a single float member are floats. - * FIXME! I don't know about structs containing multiple floats! - * Structs containing mixed floats and ints are even more weird. - */ - - - - /* Separate float args from all other args. */ - if (typecode == TYPE_CODE_FLT && SPARC_HAS_FPU) - { - if (register_counter < 16) - { - /* This arg gets copied into a FP register. */ - int fpreg; - - switch (len) { - case 4: /* Single-precision (float) */ - fpreg = FP0_REGNUM + 2 * register_counter + 1; - register_counter += 1; - break; - case 8: /* Double-precision (double) */ - fpreg = FP0_REGNUM + 2 * register_counter; - register_counter += 1; - break; - case 16: /* Quad-precision (long double) */ - fpreg = FP0_REGNUM + 2 * register_counter; - register_counter += 2; - break; - default: - internal_error (__FILE__, __LINE__, "bad switch"); - } - write_register_bytes (REGISTER_BYTE (fpreg), - VALUE_CONTENTS (args[i]), - len); - } - } - else /* all other args go into the first six 'o' registers */ - { - for (j = 0; - j < len && register_counter < 6; - j += SPARC_INTREG_SIZE) - { - int oreg = O0_REGNUM + register_counter; - - write_register_gen (oreg, VALUE_CONTENTS (copyarg) + j); - register_counter += 1; - } - } - } - return sp; -} - -/* Values <= 32 bytes are returned in o0-o3 (floating-point values are - returned in f0-f3). */ - -void -sp64_extract_return_value (struct type *type, char *regbuf, char *valbuf, - int bitoffset) -{ - int typelen = TYPE_LENGTH (type); - int regsize = REGISTER_RAW_SIZE (O0_REGNUM); - - if (TYPE_CODE (type) == TYPE_CODE_FLT && SPARC_HAS_FPU) - { - memcpy (valbuf, ®buf[REGISTER_BYTE (FP0_REGNUM)], typelen); - return; - } - - if (TYPE_CODE (type) != TYPE_CODE_STRUCT - || (TYPE_LENGTH (type) > 32)) - { - memcpy (valbuf, - ®buf[O0_REGNUM * regsize + - (typelen >= regsize ? 0 : regsize - typelen)], - typelen); - return; - } - else - { - char *o0 = ®buf[O0_REGNUM * regsize]; - char *f0 = ®buf[FP0_REGNUM * regsize]; - int x; - - for (x = 0; x < TYPE_NFIELDS (type); x++) - { - struct field *f = &TYPE_FIELDS (type)[x]; - /* FIXME: We may need to handle static fields here. */ - int whichreg = (f->loc.bitpos + bitoffset) / 32; - int remainder = ((f->loc.bitpos + bitoffset) % 32) / 8; - int where = (f->loc.bitpos + bitoffset) / 8; - int size = TYPE_LENGTH (f->type); - int typecode = TYPE_CODE (f->type); - - if (typecode == TYPE_CODE_STRUCT) - { - sp64_extract_return_value (f->type, - regbuf, - valbuf, - bitoffset + f->loc.bitpos); - } - else if (typecode == TYPE_CODE_FLT && SPARC_HAS_FPU) - { - memcpy (valbuf + where, &f0[whichreg * 4] + remainder, size); - } - else - { - memcpy (valbuf + where, &o0[whichreg * 4] + remainder, size); - } - } - } -} - -extern void -sparc64_extract_return_value (struct type *type, char *regbuf, char *valbuf) -{ - sp64_extract_return_value (type, regbuf, valbuf, 0); -} - -extern void -sparclet_extract_return_value (struct type *type, - char *regbuf, - char *valbuf) -{ - regbuf += REGISTER_RAW_SIZE (O0_REGNUM) * 8; - if (TYPE_LENGTH (type) < REGISTER_RAW_SIZE (O0_REGNUM)) - regbuf += REGISTER_RAW_SIZE (O0_REGNUM) - TYPE_LENGTH (type); - - memcpy ((void *) valbuf, regbuf, TYPE_LENGTH (type)); -} - - -extern CORE_ADDR -sparc32_stack_align (CORE_ADDR addr) -{ - return ((addr + 7) & -8); -} - -extern CORE_ADDR -sparc64_stack_align (CORE_ADDR addr) -{ - return ((addr + 15) & -16); -} - -extern void -sparc_print_extra_frame_info (struct frame_info *fi) -{ - if (fi && fi->extra_info && fi->extra_info->flat) - printf_filtered (" flat, pc saved at 0x%s, fp saved at 0x%s\n", - paddr_nz (fi->extra_info->pc_addr), - paddr_nz (fi->extra_info->fp_addr)); -} - -/* MULTI_ARCH support */ - -static const char * -sparc32_register_name (int regno) -{ - static char *register_names[] = - { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", - "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", - "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", - "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", - - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", - - "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr" - }; - - if (regno < 0 || - regno >= (sizeof (register_names) / sizeof (register_names[0]))) - return NULL; - else - return register_names[regno]; -} - -static const char * -sparc64_register_name (int regno) -{ - static char *register_names[] = - { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", - "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", - "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", - "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", - - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", - "f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", - "f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", - - "pc", "npc", "ccr", "fsr", "fprs", "y", "asi", "ver", - "tick", "pil", "pstate", "tstate", "tba", "tl", "tt", "tpc", - "tnpc", "wstate", "cwp", "cansave", "canrestore", "cleanwin", "otherwin", - "asr16", "asr17", "asr18", "asr19", "asr20", "asr21", "asr22", "asr23", - "asr24", "asr25", "asr26", "asr27", "asr28", "asr29", "asr30", "asr31", - /* These are here at the end to simplify removing them if we have to. */ - "icc", "xcc", "fcc0", "fcc1", "fcc2", "fcc3" - }; - - if (regno < 0 || - regno >= (sizeof (register_names) / sizeof (register_names[0]))) - return NULL; - else - return register_names[regno]; -} - -static const char * -sparclite_register_name (int regno) -{ - static char *register_names[] = - { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", - "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", - "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", - "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", - - "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", - "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", - "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", - "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", - - "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr", - "dia1", "dia2", "dda1", "dda2", "ddv1", "ddv2", "dcr", "dsr" - }; - - if (regno < 0 || - regno >= (sizeof (register_names) / sizeof (register_names[0]))) - return NULL; - else - return register_names[regno]; -} - -static const char * -sparclet_register_name (int regno) -{ - static char *register_names[] = - { "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", - "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", - "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", - "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", - - "", "", "", "", "", "", "", "", /* no floating point registers */ - "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", - "", "", "", "", "", "", "", "", - - "y", "psr", "wim", "tbr", "pc", "npc", "", "", /* no FPSR or CPSR */ - "ccsr", "ccpr", "cccrcr", "ccor", "ccobr", "ccibr", "ccir", "", - - /* ASR15 ASR19 (don't display them) */ - "asr1", "", "asr17", "asr18", "", "asr20", "asr21", "asr22" - /* None of the rest get displayed */ -#if 0 - "awr0", "awr1", "awr2", "awr3", "awr4", "awr5", "awr6", "awr7", - "awr8", "awr9", "awr10", "awr11", "awr12", "awr13", "awr14", "awr15", - "awr16", "awr17", "awr18", "awr19", "awr20", "awr21", "awr22", "awr23", - "awr24", "awr25", "awr26", "awr27", "awr28", "awr29", "awr30", "awr31", - "apsr" -#endif /* 0 */ - }; - - if (regno < 0 || - regno >= (sizeof (register_names) / sizeof (register_names[0]))) - return NULL; - else - return register_names[regno]; -} - -CORE_ADDR -sparc_push_return_address (CORE_ADDR pc_unused, CORE_ADDR sp) -{ - if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT) - { - /* The return PC of the dummy_frame is the former 'current' PC - (where we were before we made the target function call). - This is saved in %i7 by push_dummy_frame. - - We will save the 'call dummy location' (ie. the address - to which the target function will return) in %o7. - This address will actually be the program's entry point. - There will be a special call_dummy breakpoint there. */ - - write_register (O7_REGNUM, - CALL_DUMMY_ADDRESS () - 8); - } - - return sp; -} - -/* Should call_function allocate stack space for a struct return? */ - -static int -sparc64_use_struct_convention (int gcc_p, struct type *type) -{ - return (TYPE_LENGTH (type) > 32); -} - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function_by_hand. - The ultimate mystery is, tho, what is the value "16"? - - MVS: That's the offset from where the sp is now, to where the - subroutine is gonna expect to find the struct return address. */ - -static void -sparc32_store_struct_return (CORE_ADDR addr, CORE_ADDR sp) -{ - char *val; - CORE_ADDR o7; - - val = alloca (SPARC_INTREG_SIZE); - store_unsigned_integer (val, SPARC_INTREG_SIZE, addr); - write_memory (sp + (16 * SPARC_INTREG_SIZE), val, SPARC_INTREG_SIZE); - - if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT) - { - /* Now adjust the value of the link register, which was previously - stored by push_return_address. Functions that return structs are - peculiar in that they return to link register + 12, rather than - link register + 8. */ - - o7 = read_register (O7_REGNUM); - write_register (O7_REGNUM, o7 - 4); - } -} - -static void -sparc64_store_struct_return (CORE_ADDR addr, CORE_ADDR sp) -{ - /* FIXME: V9 uses %o0 for this. */ - /* FIXME MVS: Only for small enough structs!!! */ - - target_write_memory (sp + (16 * SPARC_INTREG_SIZE), - (char *) &addr, SPARC_INTREG_SIZE); -#if 0 - if (CALL_DUMMY_LOCATION == AT_ENTRY_POINT) - { - /* Now adjust the value of the link register, which was previously - stored by push_return_address. Functions that return structs are - peculiar in that they return to link register + 12, rather than - link register + 8. */ - - write_register (O7_REGNUM, read_register (O7_REGNUM) - 4); - } -#endif -} - -/* Default target data type for register REGNO. */ - -static struct type * -sparc32_register_virtual_type (int regno) -{ - if (regno == PC_REGNUM || - regno == FP_REGNUM || - regno == SP_REGNUM) - return builtin_type_unsigned_int; - if (regno < 32) - return builtin_type_int; - if (regno < 64) - return builtin_type_float; - return builtin_type_int; -} - -static struct type * -sparc64_register_virtual_type (int regno) -{ - if (regno == PC_REGNUM || - regno == FP_REGNUM || - regno == SP_REGNUM) - return builtin_type_unsigned_long_long; - if (regno < 32) - return builtin_type_long_long; - if (regno < 64) - return builtin_type_float; - if (regno < 80) - return builtin_type_double; - return builtin_type_long_long; -} - -/* Number of bytes of storage in the actual machine representation for - register REGNO. */ - -static int -sparc32_register_size (int regno) -{ - return 4; -} - -static int -sparc64_register_size (int regno) -{ - return (regno < 32 ? 8 : regno < 64 ? 4 : 8); -} - -/* Index within the `registers' buffer of the first byte of the space - for register REGNO. */ - -static int -sparc32_register_byte (int regno) -{ - return (regno * 4); -} - -static int -sparc64_register_byte (int regno) -{ - if (regno < 32) - return regno * 8; - else if (regno < 64) - return 32 * 8 + (regno - 32) * 4; - else if (regno < 80) - return 32 * 8 + 32 * 4 + (regno - 64) * 8; - else - return 64 * 8 + (regno - 80) * 8; -} - -/* 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 -sparc_saved_pc_after_call (struct frame_info *fi) -{ - return sparc_pc_adjust (read_register (RP_REGNUM)); -} - -/* Convert registers between 'raw' and 'virtual' formats. - They are the same on sparc, so there's nothing to do. */ - -static void -sparc_convert_to_virtual (int regnum, struct type *type, char *from, char *to) -{ /* do nothing (should never be called) */ -} - -static void -sparc_convert_to_raw (struct type *type, int regnum, char *from, char *to) -{ /* do nothing (should never be called) */ -} - -/* Init saved regs: nothing to do, just a place-holder function. */ - -static void -sparc_frame_init_saved_regs (struct frame_info *fi_ignored) -{ /* no-op */ -} - -/* gdbarch fix call dummy: - All this function does is rearrange the arguments before calling - sparc_fix_call_dummy (which does the real work). */ - -static void -sparc_gdbarch_fix_call_dummy (char *dummy, - CORE_ADDR pc, - CORE_ADDR fun, - int nargs, - struct value **args, - struct type *type, - int gcc_p) -{ - if (CALL_DUMMY_LOCATION == ON_STACK) - sparc_fix_call_dummy (dummy, pc, fun, type, gcc_p); -} - -/* Coerce float to double: a no-op. */ - -static int -sparc_coerce_float_to_double (struct type *formal, struct type *actual) -{ - return 1; -} - -/* CALL_DUMMY_ADDRESS: fetch the breakpoint address for a call dummy. */ - -static CORE_ADDR -sparc_call_dummy_address (void) -{ - return (CALL_DUMMY_START_OFFSET) + CALL_DUMMY_BREAKPOINT_OFFSET; -} - -/* Supply the Y register number to those that need it. */ - -int -sparc_y_regnum (void) -{ - return gdbarch_tdep (current_gdbarch)->y_regnum; -} - -int -sparc_reg_struct_has_addr (int gcc_p, struct type *type) -{ - if (GDB_TARGET_IS_SPARC64) - return (TYPE_LENGTH (type) > 32); - else - return (gcc_p != 1); -} - -int -sparc_intreg_size (void) -{ - return SPARC_INTREG_SIZE; -} - -static int -sparc_return_value_on_stack (struct type *type) -{ - if (TYPE_CODE (type) == TYPE_CODE_FLT && - TYPE_LENGTH (type) > 8) - return 1; - else - return 0; -} - -/* - * Gdbarch "constructor" function. - */ - -#define SPARC32_CALL_DUMMY_ON_STACK - -#define SPARC_SP_REGNUM 14 -#define SPARC_FP_REGNUM 30 -#define SPARC_FP0_REGNUM 32 -#define SPARC32_NPC_REGNUM 69 -#define SPARC32_PC_REGNUM 68 -#define SPARC32_Y_REGNUM 64 -#define SPARC64_PC_REGNUM 80 -#define SPARC64_NPC_REGNUM 81 -#define SPARC64_Y_REGNUM 85 - -static struct gdbarch * -sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) -{ - struct gdbarch *gdbarch; - struct gdbarch_tdep *tdep; - enum gdb_osabi osabi = GDB_OSABI_UNKNOWN; - - static LONGEST call_dummy_32[] = - { 0xbc100001, 0x9de38000, 0xbc100002, 0xbe100003, - 0xda03a058, 0xd803a054, 0xd603a050, 0xd403a04c, - 0xd203a048, 0x40000000, 0xd003a044, 0x01000000, - 0x91d02001, 0x01000000 - }; - static LONGEST call_dummy_64[] = - { 0x9de3bec0fd3fa7f7LL, 0xf93fa7eff53fa7e7LL, - 0xf13fa7dfed3fa7d7LL, 0xe93fa7cfe53fa7c7LL, - 0xe13fa7bfdd3fa7b7LL, 0xd93fa7afd53fa7a7LL, - 0xd13fa79fcd3fa797LL, 0xc93fa78fc53fa787LL, - 0xc13fa77fcc3fa777LL, 0xc83fa76fc43fa767LL, - 0xc03fa75ffc3fa757LL, 0xf83fa74ff43fa747LL, - 0xf03fa73f01000000LL, 0x0100000001000000LL, - 0x0100000091580000LL, 0xd027a72b93500000LL, - 0xd027a72791480000LL, 0xd027a72391400000LL, - 0xd027a71fda5ba8a7LL, 0xd85ba89fd65ba897LL, - 0xd45ba88fd25ba887LL, 0x9fc02000d05ba87fLL, - 0x0100000091d02001LL, 0x0100000001000000LL - }; - static LONGEST call_dummy_nil[] = {0}; - - /* Try to determine the OS ABI of the object we are loading. */ - - if (info.abfd != NULL) - { - osabi = gdbarch_lookup_osabi (info.abfd); - if (osabi == GDB_OSABI_UNKNOWN) - { - /* If it's an ELF file, assume it's Solaris. */ - if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour) - osabi = GDB_OSABI_SOLARIS; - } - } - - /* First see if there is already a gdbarch that can satisfy the request. */ - for (arches = gdbarch_list_lookup_by_info (arches, &info); - arches != NULL; - arches = gdbarch_list_lookup_by_info (arches->next, &info)) - { - /* Make sure the ABI selection matches. */ - tdep = gdbarch_tdep (arches->gdbarch); - if (tdep && tdep->osabi == osabi) - return arches->gdbarch; - } - - /* None found: is the request for a sparc architecture? */ - if (info.bfd_arch_info->arch != bfd_arch_sparc) - return NULL; /* No; then it's not for us. */ - - /* Yes: create a new gdbarch for the specified machine type. */ - tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep)); - gdbarch = gdbarch_alloc (&info, tdep); - - tdep->osabi = osabi; - - /* First set settings that are common for all sparc architectures. */ - set_gdbarch_believe_pcc_promotion (gdbarch, 1); - set_gdbarch_breakpoint_from_pc (gdbarch, memory_breakpoint_from_pc); - set_gdbarch_coerce_float_to_double (gdbarch, - sparc_coerce_float_to_double); - set_gdbarch_call_dummy_breakpoint_offset_p (gdbarch, 1); - set_gdbarch_call_dummy_p (gdbarch, 1); - set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 1); - set_gdbarch_decr_pc_after_break (gdbarch, 0); - set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT); - set_gdbarch_deprecated_extract_struct_value_address (gdbarch, sparc_extract_struct_value_address); - set_gdbarch_fix_call_dummy (gdbarch, sparc_gdbarch_fix_call_dummy); - set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT); - set_gdbarch_fp_regnum (gdbarch, SPARC_FP_REGNUM); - set_gdbarch_fp0_regnum (gdbarch, SPARC_FP0_REGNUM); - set_gdbarch_frame_args_address (gdbarch, default_frame_address); - set_gdbarch_frame_chain (gdbarch, sparc_frame_chain); - set_gdbarch_frame_init_saved_regs (gdbarch, sparc_frame_init_saved_regs); - set_gdbarch_frame_locals_address (gdbarch, default_frame_address); - set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown); - set_gdbarch_frame_saved_pc (gdbarch, sparc_frame_saved_pc); - set_gdbarch_frameless_function_invocation (gdbarch, - frameless_look_for_prologue); - set_gdbarch_get_saved_register (gdbarch, sparc_get_saved_register); - set_gdbarch_init_extra_frame_info (gdbarch, sparc_init_extra_frame_info); - set_gdbarch_inner_than (gdbarch, core_addr_lessthan); - set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT); - set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT); - set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT); - set_gdbarch_max_register_raw_size (gdbarch, 8); - set_gdbarch_max_register_virtual_size (gdbarch, 8); - set_gdbarch_pop_frame (gdbarch, sparc_pop_frame); - set_gdbarch_push_return_address (gdbarch, sparc_push_return_address); - set_gdbarch_push_dummy_frame (gdbarch, sparc_push_dummy_frame); - set_gdbarch_read_pc (gdbarch, generic_target_read_pc); - set_gdbarch_register_convert_to_raw (gdbarch, sparc_convert_to_raw); - set_gdbarch_register_convert_to_virtual (gdbarch, - sparc_convert_to_virtual); - set_gdbarch_register_convertible (gdbarch, - generic_register_convertible_not); - set_gdbarch_reg_struct_has_addr (gdbarch, sparc_reg_struct_has_addr); - set_gdbarch_return_value_on_stack (gdbarch, sparc_return_value_on_stack); - set_gdbarch_saved_pc_after_call (gdbarch, sparc_saved_pc_after_call); - set_gdbarch_prologue_frameless_p (gdbarch, sparc_prologue_frameless_p); - set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT); - set_gdbarch_skip_prologue (gdbarch, sparc_skip_prologue); - set_gdbarch_sp_regnum (gdbarch, SPARC_SP_REGNUM); - set_gdbarch_use_generic_dummy_frames (gdbarch, 0); - set_gdbarch_write_pc (gdbarch, generic_target_write_pc); - - /* - * Settings that depend only on 32/64 bit word size - */ - - switch (info.bfd_arch_info->mach) - { - case bfd_mach_sparc: - case bfd_mach_sparc_sparclet: - case bfd_mach_sparc_sparclite: - case bfd_mach_sparc_v8plus: - case bfd_mach_sparc_v8plusa: - case bfd_mach_sparc_sparclite_le: - /* 32-bit machine types: */ - -#ifdef SPARC32_CALL_DUMMY_ON_STACK - set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack); - set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address); - set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0x30); - set_gdbarch_call_dummy_length (gdbarch, 0x38); - - /* NOTE: cagney/2002-04-26: Based from info posted by Peter - Schauer around Oct '99. Briefly, due to aspects of the SPARC - ABI, it isn't possible to use ON_STACK with a strictly - compliant compiler. - - Peter Schauer writes ... - - No, any call from GDB to a user function returning a - struct/union will fail miserably. Try this: - - *NOINDENT* - struct x - { - int a[4]; - }; - - struct x gx; - - struct x - sret () - { - return gx; - } - - main () - { - int i; - for (i = 0; i < 4; i++) - gx.a[i] = i + 1; - gx = sret (); - } - *INDENT* - - Set a breakpoint at the gx = sret () statement, run to it and - issue a `print sret()'. It will not succed with your - approach, and I doubt that continuing the program will work - as well. - - For details of the ABI see the Sparc Architecture Manual. I - have Version 8 (Prentice Hall ISBN 0-13-825001-4) and the - calling conventions for functions returning aggregate values - are explained in Appendix D.3. */ - - set_gdbarch_call_dummy_location (gdbarch, ON_STACK); - set_gdbarch_call_dummy_words (gdbarch, call_dummy_32); -#else - set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point); - set_gdbarch_call_dummy_address (gdbarch, entry_point_address); - set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0); - set_gdbarch_call_dummy_length (gdbarch, 0); - set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT); - set_gdbarch_call_dummy_words (gdbarch, call_dummy_nil); -#endif - set_gdbarch_call_dummy_stack_adjust (gdbarch, 68); - set_gdbarch_call_dummy_start_offset (gdbarch, 0); - set_gdbarch_frame_args_skip (gdbarch, 68); - set_gdbarch_function_start_offset (gdbarch, 0); - set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT); - set_gdbarch_npc_regnum (gdbarch, SPARC32_NPC_REGNUM); - set_gdbarch_pc_regnum (gdbarch, SPARC32_PC_REGNUM); - set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT); - set_gdbarch_push_arguments (gdbarch, sparc32_push_arguments); - set_gdbarch_read_fp (gdbarch, generic_target_read_fp); - set_gdbarch_read_sp (gdbarch, generic_target_read_sp); - - set_gdbarch_register_byte (gdbarch, sparc32_register_byte); - set_gdbarch_register_raw_size (gdbarch, sparc32_register_size); - set_gdbarch_register_size (gdbarch, 4); - set_gdbarch_register_virtual_size (gdbarch, sparc32_register_size); - set_gdbarch_register_virtual_type (gdbarch, - sparc32_register_virtual_type); -#ifdef SPARC32_CALL_DUMMY_ON_STACK - set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (call_dummy_32)); -#else - set_gdbarch_sizeof_call_dummy_words (gdbarch, 0); -#endif - set_gdbarch_stack_align (gdbarch, sparc32_stack_align); - set_gdbarch_store_struct_return (gdbarch, sparc32_store_struct_return); - set_gdbarch_use_struct_convention (gdbarch, - generic_use_struct_convention); - set_gdbarch_write_sp (gdbarch, generic_target_write_sp); - tdep->y_regnum = SPARC32_Y_REGNUM; - tdep->fp_max_regnum = SPARC_FP0_REGNUM + 32; - tdep->intreg_size = 4; - tdep->reg_save_offset = 0x60; - tdep->call_dummy_call_offset = 0x24; - break; - - case bfd_mach_sparc_v9: - case bfd_mach_sparc_v9a: - /* 64-bit machine types: */ - default: /* Any new machine type is likely to be 64-bit. */ - -#ifdef SPARC64_CALL_DUMMY_ON_STACK - set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_on_stack); - set_gdbarch_call_dummy_address (gdbarch, sparc_call_dummy_address); - set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 8 * 4); - set_gdbarch_call_dummy_length (gdbarch, 192); - set_gdbarch_call_dummy_location (gdbarch, ON_STACK); - set_gdbarch_call_dummy_start_offset (gdbarch, 148); - set_gdbarch_call_dummy_words (gdbarch, call_dummy_64); -#else - set_gdbarch_pc_in_call_dummy (gdbarch, pc_in_call_dummy_at_entry_point); - set_gdbarch_call_dummy_address (gdbarch, entry_point_address); - set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0); - set_gdbarch_call_dummy_length (gdbarch, 0); - set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT); - set_gdbarch_call_dummy_start_offset (gdbarch, 0); - set_gdbarch_call_dummy_words (gdbarch, call_dummy_nil); -#endif - set_gdbarch_call_dummy_stack_adjust (gdbarch, 128); - set_gdbarch_frame_args_skip (gdbarch, 136); - set_gdbarch_function_start_offset (gdbarch, 0); - set_gdbarch_long_bit (gdbarch, 8 * TARGET_CHAR_BIT); - set_gdbarch_npc_regnum (gdbarch, SPARC64_NPC_REGNUM); - set_gdbarch_pc_regnum (gdbarch, SPARC64_PC_REGNUM); - set_gdbarch_ptr_bit (gdbarch, 8 * TARGET_CHAR_BIT); - set_gdbarch_push_arguments (gdbarch, sparc64_push_arguments); - /* NOTE different for at_entry */ - set_gdbarch_read_fp (gdbarch, sparc64_read_fp); - set_gdbarch_read_sp (gdbarch, sparc64_read_sp); - /* Some of the registers aren't 64 bits, but it's a lot simpler just - to assume they all are (since most of them are). */ - set_gdbarch_register_byte (gdbarch, sparc64_register_byte); - set_gdbarch_register_raw_size (gdbarch, sparc64_register_size); - set_gdbarch_register_size (gdbarch, 8); - set_gdbarch_register_virtual_size (gdbarch, sparc64_register_size); - set_gdbarch_register_virtual_type (gdbarch, - sparc64_register_virtual_type); -#ifdef SPARC64_CALL_DUMMY_ON_STACK - set_gdbarch_sizeof_call_dummy_words (gdbarch, sizeof (call_dummy_64)); -#else - set_gdbarch_sizeof_call_dummy_words (gdbarch, 0); -#endif - set_gdbarch_stack_align (gdbarch, sparc64_stack_align); - set_gdbarch_store_struct_return (gdbarch, sparc64_store_struct_return); - set_gdbarch_use_struct_convention (gdbarch, - sparc64_use_struct_convention); - set_gdbarch_write_sp (gdbarch, sparc64_write_sp); - tdep->y_regnum = SPARC64_Y_REGNUM; - tdep->fp_max_regnum = SPARC_FP0_REGNUM + 48; - tdep->intreg_size = 8; - tdep->reg_save_offset = 0x90; - tdep->call_dummy_call_offset = 148 + 4 * 5; - break; - } - - /* - * Settings that vary per-architecture: - */ - - switch (info.bfd_arch_info->mach) - { - case bfd_mach_sparc: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 72); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparc32_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 1; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 32 * 4; - tdep->print_insn_mach = bfd_mach_sparc; - break; - case bfd_mach_sparc_sparclet: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparclet_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 32 + 32 + 8 + 8 + 8); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparclet_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparclet_store_return_value); - tdep->has_fpu = 0; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 0; - tdep->print_insn_mach = bfd_mach_sparc_sparclet; - break; - case bfd_mach_sparc_sparclite: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 80); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparclite_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 0; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 0; - tdep->print_insn_mach = bfd_mach_sparc_sparclite; - break; - case bfd_mach_sparc_v8plus: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 72); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparc32_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->print_insn_mach = bfd_mach_sparc; - tdep->fp_register_bytes = 32 * 4; - tdep->has_fpu = 1; /* (all but sparclet and sparclite) */ - break; - case bfd_mach_sparc_v8plusa: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 72); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparc32_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 1; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 32 * 4; - tdep->print_insn_mach = bfd_mach_sparc; - break; - case bfd_mach_sparc_sparclite_le: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc32_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 80); - set_gdbarch_register_bytes (gdbarch, 32*4 + 32*4 + 8*4 + 8*4); - set_gdbarch_register_name (gdbarch, sparclite_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 0; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 0; - tdep->print_insn_mach = bfd_mach_sparc_sparclite; - break; - case bfd_mach_sparc_v9: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc64_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 125); - set_gdbarch_register_bytes (gdbarch, 32*8 + 32*8 + 45*8); - set_gdbarch_register_name (gdbarch, sparc64_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 1; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 64 * 4; - tdep->print_insn_mach = bfd_mach_sparc_v9a; - break; - case bfd_mach_sparc_v9a: - set_gdbarch_deprecated_extract_return_value (gdbarch, sparc64_extract_return_value); - set_gdbarch_frame_chain_valid (gdbarch, file_frame_chain_valid); - set_gdbarch_num_regs (gdbarch, 125); - set_gdbarch_register_bytes (gdbarch, 32*8 + 32*8 + 45*8); - set_gdbarch_register_name (gdbarch, sparc64_register_name); - set_gdbarch_deprecated_store_return_value (gdbarch, sparc_store_return_value); - tdep->has_fpu = 1; /* (all but sparclet and sparclite) */ - tdep->fp_register_bytes = 64 * 4; - tdep->print_insn_mach = bfd_mach_sparc_v9a; - break; - } - - /* Hook in OS ABI-specific overrides, if they have been registered. */ - gdbarch_init_osabi (info, gdbarch, osabi); - - return gdbarch; -} - -static void -sparc_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, "sparc_dump_tdep: OS ABI = %s\n", - gdbarch_osabi_name (tdep->osabi)); -} |