diff options
Diffstat (limited to 'gdb/hppa-hpux-tdep.c')
| -rw-r--r-- | gdb/hppa-hpux-tdep.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/gdb/hppa-hpux-tdep.c b/gdb/hppa-hpux-tdep.c index b5a9bd6..ea4319e 100644 --- a/gdb/hppa-hpux-tdep.c +++ b/gdb/hppa-hpux-tdep.c @@ -548,8 +548,8 @@ hppa_hpux_skip_trampoline_code (CORE_ADDR pc) } } -void -hppa_skip_permanent_breakpoint (void) +static void +hppa_skip_permanent_breakpoint (struct regcache *regcache) { /* To step over a breakpoint instruction on the PA takes some fiddling with the instruction address queue. @@ -565,10 +565,15 @@ hppa_skip_permanent_breakpoint (void) front to the back. But what do we put in the back? What instruction comes after that one? Because of the branch delay slot, the next insn is always at the back + 4. */ - write_register (HPPA_PCOQ_HEAD_REGNUM, read_register (HPPA_PCOQ_TAIL_REGNUM)); - write_register (HPPA_PCSQ_HEAD_REGNUM, read_register (HPPA_PCSQ_TAIL_REGNUM)); - write_register (HPPA_PCOQ_TAIL_REGNUM, read_register (HPPA_PCOQ_TAIL_REGNUM) + 4); + ULONGEST pcoq_tail, pcsq_tail; + regcache_cooked_read_unsigned (regcache, HPPA_PCOQ_TAIL_REGNUM, &pcoq_tail); + regcache_cooked_read_unsigned (regcache, HPPA_PCSQ_TAIL_REGNUM, &pcsq_tail); + + regcache_cooked_write_unsigned (regcache, HPPA_PCOQ_HEAD_REGNUM, pcoq_tail); + regcache_cooked_write_unsigned (regcache, HPPA_PCSQ_HEAD_REGNUM, pcsq_tail); + + regcache_cooked_write_unsigned (regcache, HPPA_PCOQ_TAIL_REGNUM, pcoq_tail + 4); /* We can leave the tail's space the same, since there's no jump. */ } @@ -2037,6 +2042,8 @@ hppa_hpux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_read_pc (gdbarch, hppa_hpux_read_pc); set_gdbarch_write_pc (gdbarch, hppa_hpux_write_pc); set_gdbarch_unwind_pc (gdbarch, hppa_hpux_unwind_pc); + set_gdbarch_skip_permanent_breakpoint + (gdbarch, hppa_skip_permanent_breakpoint); set_gdbarch_regset_from_core_section (gdbarch, hppa_hpux_regset_from_core_section); |