diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/arm-tdep.c | 17 |
2 files changed, 14 insertions, 8 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 59c39fe..03e5f0f 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2016-11-30 Yao Qi <yao.qi@linaro.org> + + * arm-tdep.c (arm_scan_prologue): Read memory as unsigned integer. + (arm_exidx_unwind_sniffer): Likewise. + 2016-11-28 Simon Marchi <simon.marchi@polymtl.ca> * record-full.c (record_full_open_1): Fix debug output. diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index 0b93df7..fd5d0de 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -1807,10 +1807,11 @@ arm_scan_prologue (struct frame_info *this_frame, the callee (or at the present moment if this is the innermost frame). The value stored there should be the address of the stmfd + 8. */ CORE_ADDR frame_loc; - LONGEST return_value; + ULONGEST return_value; frame_loc = get_frame_register_unsigned (this_frame, ARM_FP_REGNUM); - if (!safe_read_memory_integer (frame_loc, 4, byte_order, &return_value)) + if (!safe_read_memory_unsigned_integer (frame_loc, 4, byte_order, + &return_value)) return; else { @@ -2659,19 +2660,19 @@ arm_exidx_unwind_sniffer (const struct frame_unwind *self, ensure this, so that e.g. pthread cancellation works. */ if (arm_frame_is_thumb (this_frame)) { - LONGEST insn; + ULONGEST insn; - if (safe_read_memory_integer (get_frame_pc (this_frame) - 2, 2, - byte_order_for_code, &insn) + if (safe_read_memory_unsigned_integer (get_frame_pc (this_frame) - 2, + 2, byte_order_for_code, &insn) && (insn & 0xff00) == 0xdf00 /* svc */) exc_valid = 1; } else { - LONGEST insn; + ULONGEST insn; - if (safe_read_memory_integer (get_frame_pc (this_frame) - 4, 4, - byte_order_for_code, &insn) + if (safe_read_memory_unsigned_integer (get_frame_pc (this_frame) - 4, + 4, byte_order_for_code, &insn) && (insn & 0x0f000000) == 0x0f000000 /* svc */) exc_valid = 1; } |