diff options
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? */ |