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| author | Andrew Cagney <cagney@redhat.com> | 2002-09-19 16:49:55 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2002-09-19 16:49:55 +0000 |
| commit | 9042b9ef4c23e284b31ab541298733679f55f601 (patch) | |
| tree | 54244263f36b4751e76a968c17b6df48f5243762 /gdb/i386-tdep.c | |
| parent | 6e2f20b77871967fc0053abc19f93068fe3f59ba (diff) | |
| download | gdb-9042b9ef4c23e284b31ab541298733679f55f601.tar.gz | |
2002-09-13 Andrew Cagney <cagney@redhat.com>
* i386-tdep.c (i386_add_reggroups): Add save_reggroup and
restore_reggroup.
(i386_register_reggroup_p): Rewrite. Use
default_register_reggroup_p.
* reggroups.h (save_reggroup, restore_reggroup): Declare.
* reggroups.c (save_reggroup, restore_reggroup): Define.
(_initialize_reggroup): Add save_reggroup and restore_reggroup to
default_groups.
* regcache.c (regcache_restore): Restore the registers in
restore_reggroup.
(regcache_save): Save registers in save_reggroup.
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index 73cc6d56190..03a8ce9d645 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -1435,6 +1435,8 @@ i386_add_reggroups (struct gdbarch *gdbarch) reggroup_add (gdbarch, general_reggroup); reggroup_add (gdbarch, float_reggroup); reggroup_add (gdbarch, all_reggroup); + reggroup_add (gdbarch, save_reggroup); + reggroup_add (gdbarch, restore_reggroup); reggroup_add (gdbarch, vector_reggroup); reggroup_add (gdbarch, system_reggroup); } @@ -1443,17 +1445,21 @@ int i386_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *group) { - if (group == all_reggroup) - return 1; - if (mmx_regnum_p (regnum)) - return (group == i368_mmx_reggroup || group == vector_reggroup); - if (FP_REGNUM_P (regnum) || FPC_REGNUM_P (regnum)) - return (group == float_reggroup || group == all_reggroup); - if (SSE_REGNUM_P (regnum) || regnum == MXCSR_REGNUM) - return (group == i368_sse_reggroup || group == vector_reggroup); + int sse_regnum_p = SSE_REGNUM_P (regnum) || regnum == MXCSR_REGNUM; + int fp_regnum_p = FP_REGNUM_P (regnum) || FPC_REGNUM_P (regnum); + if (group == i368_mmx_reggroup) + return mmx_regnum_p (regnum); + if (group == i368_sse_reggroup) + return sse_regnum_p; + if (group == vector_reggroup) + return (mmx_regnum_p (regnum) || sse_regnum_p); + if (group == float_reggroup) + return (FP_REGNUM_P (regnum) || FPC_REGNUM_P (regnum)); if (group == general_reggroup) return 1; - return 0; + if (group == save_reggroup || group == restore_reggroup) + return (regnum < NUM_REGS); + return default_register_reggroup_p (gdbarch, regnum, group); } |