diff options
Diffstat (limited to 'gdb/aarch64-tdep.c')
| -rw-r--r-- | gdb/aarch64-tdep.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c index a40dc69..cbab1a5 100644 --- a/gdb/aarch64-tdep.c +++ b/gdb/aarch64-tdep.c @@ -2488,14 +2488,14 @@ aarch64_software_single_step (struct regcache *regcache) return next_pcs; } -struct displaced_step_closure +struct aarch64_displaced_step_closure : public displaced_step_closure { /* It is true when condition instruction, such as B.CON, TBZ, etc, is being displaced stepping. */ - int cond; + int cond = 0; /* PC adjustment offset after displaced stepping. */ - int32_t pc_adjust; + int32_t pc_adjust = 0; }; /* Data when visiting instructions for displaced stepping. */ @@ -2513,7 +2513,7 @@ struct aarch64_displaced_step_data /* Registers when doing displaced stepping. */ struct regcache *regs; - struct displaced_step_closure *dsc; + aarch64_displaced_step_closure *dsc; }; /* Implementation of aarch64_insn_visitor method "b". */ @@ -2727,7 +2727,6 @@ aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs) { - struct displaced_step_closure *dsc = NULL; enum bfd_endian byte_order_for_code = gdbarch_byte_order_for_code (gdbarch); uint32_t insn = read_memory_unsigned_integer (from, 4, byte_order_for_code); struct aarch64_displaced_step_data dsd; @@ -2743,11 +2742,12 @@ aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch, return NULL; } - dsc = XCNEW (struct displaced_step_closure); + std::unique_ptr<aarch64_displaced_step_closure> dsc + (new aarch64_displaced_step_closure); dsd.base.insn_addr = from; dsd.new_addr = to; dsd.regs = regs; - dsd.dsc = dsc; + dsd.dsc = dsc.get (); dsd.insn_count = 0; aarch64_relocate_instruction (insn, &visitor, (struct aarch64_insn_data *) &dsd); @@ -2773,21 +2773,22 @@ aarch64_displaced_step_copy_insn (struct gdbarch *gdbarch, } else { - xfree (dsc); dsc = NULL; } - return dsc; + return dsc.release (); } /* Implement the "displaced_step_fixup" gdbarch method. */ void aarch64_displaced_step_fixup (struct gdbarch *gdbarch, - struct displaced_step_closure *dsc, + struct displaced_step_closure *dsc_, CORE_ADDR from, CORE_ADDR to, struct regcache *regs) { + aarch64_displaced_step_closure *dsc = (aarch64_displaced_step_closure *) dsc_; + if (dsc->cond) { ULONGEST pc; |