diff options
Diffstat (limited to 'gdb/arm-tdep.c')
| -rw-r--r-- | gdb/arm-tdep.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index 157f8a12fb9..278f639fe8d 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -8862,6 +8862,22 @@ arm_register_g_packet_guesses (struct gdbarch *gdbarch) /* Otherwise we don't have a useful guess. */ } +/* Implement the code_of_frame_writable gdbarch method. */ + +static int +arm_code_of_frame_writable (struct gdbarch *gdbarch, struct frame_info *frame) +{ + if (gdbarch_tdep (gdbarch)->is_m + && get_frame_type (frame) == SIGTRAMP_FRAME) + { + /* M-profile exception frames return to some magic PCs, where + isn't writable at all. */ + return 0; + } + else + return 1; +} + /* Initialize the current architecture based on INFO. If possible, re-use an architecture from ARCHES, which is a list of @@ -9312,6 +9328,9 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_push_dummy_call (gdbarch, arm_push_dummy_call); set_gdbarch_frame_align (gdbarch, arm_frame_align); + if (is_m) + set_gdbarch_code_of_frame_writable (gdbarch, arm_code_of_frame_writable); + set_gdbarch_write_pc (gdbarch, arm_write_pc); /* Frame handling. */ |