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| author | Randolph Chung <tausq@debian.org> | 2004-11-23 21:05:23 +0000 |
|---|---|---|
| committer | Randolph Chung <tausq@debian.org> | 2004-11-23 21:05:23 +0000 |
| commit | 3ca649544956e996656d40602064d9169949252b (patch) | |
| tree | d4b05ca6ae749846443899a63d5113ee912da22b /gdb/gdbarch.h | |
| parent | 0107feeddf942c0686ac9256fca6467baca40bf0 (diff) | |
| download | gdb-3ca649544956e996656d40602064d9169949252b.zip gdb-3ca649544956e996656d40602064d9169949252b.tar.gz gdb-3ca649544956e996656d40602064d9169949252b.tar.bz2 | |
2004-11-23 Randolph Chung <tausq@debian.org>
* arch-utils.c (generic_instruction_nullified): New.
* arch-utils.h (generic_instruction_nullified): New.
* gdbarch.sh (instruction_nullified): New method.
* gdbarch.c: Regenerate.
* gdbarch.h: Regenerate.
* infrun.c (INSTRUCTION_NULLIFIED): Delete.
(handle_inferior_event): Replace INSTRUCTION_NULLIFIED with calls to
new gdbarch method.
* config/pa/tm-hppa.h (INSTRUCTION_NULLIFIED): Delete definition.
* hppa-tdep.c (hppa_instruction_nullified): Remove prototype and make
static. Rewrite to work directly off the passed regcache.
(hppa_gdbarch_init): Set instruction_nullified method.
Diffstat (limited to 'gdb/gdbarch.h')
| -rw-r--r-- | gdb/gdbarch.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index 4ab8ea5..b59f6e7 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -1227,6 +1227,16 @@ typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); +/* On some systems, the PC may be left pointing at an instruction that won't + actually be executed. This is usually indicated by a bit in the PSW. If + we find ourselves in such a state, then we step the target beyond the + nullified instruction before returning control to gdb. + Return non-zero if the processor is about to execute a nullified instruction. */ + +typedef int (gdbarch_instruction_nullified_ftype) (struct gdbarch *gdbarch, struct regcache *regcache); +extern int gdbarch_instruction_nullified (struct gdbarch *gdbarch, struct regcache *regcache); +extern void set_gdbarch_instruction_nullified (struct gdbarch *gdbarch, gdbarch_instruction_nullified_ftype *instruction_nullified); + /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the disassembler. Perhaps objdump can handle it? */ |