diff options
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index 49cc796..f654d6f 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -349,6 +349,22 @@ i386_get_frame_setup (CORE_ADDR pc) return (-1); } +/* Return the chain-pointer for FRAME. In the case of the i386, the + frame's nominal address is the address of a 4-byte word containing + the calling frame's address. */ + +CORE_ADDR +i386_frame_chain (struct frame_info *frame) +{ + if (frame->signal_handler_caller) + return frame->frame; + + if (! inside_entry_file (frame->pc)) + return read_memory_unsigned_integer (frame->frame, 4); + + return 0; +} + /* Return number of args passed to a frame. Can return -1, meaning no way to tell. */ |