diff options
Diffstat (limited to 'gdb/i386-linux-tdep.c')
| -rw-r--r-- | gdb/i386-linux-tdep.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c index a973ac9..56a5ead 100644 --- a/gdb/i386-linux-tdep.c +++ b/gdb/i386-linux-tdep.c @@ -255,7 +255,7 @@ i386_linux_sigcontext_addr (struct frame_info *frame) /* Assuming FRAME is for a Linux sigtramp routine, return the saved program counter. */ -CORE_ADDR +static CORE_ADDR i386_linux_sigtramp_saved_pc (struct frame_info *frame) { CORE_ADDR addr; @@ -269,7 +269,7 @@ i386_linux_sigtramp_saved_pc (struct frame_info *frame) /* Assuming FRAME is for a Linux sigtramp routine, return the saved stack pointer. */ -CORE_ADDR +static CORE_ADDR i386_linux_sigtramp_saved_sp (struct frame_info *frame) { CORE_ADDR addr; @@ -277,6 +277,28 @@ i386_linux_sigtramp_saved_sp (struct frame_info *frame) return read_memory_integer (addr + LINUX_SIGCONTEXT_SP_OFFSET, 4); } +/* Return the saved program counter for FRAME. */ + +CORE_ADDR +i386_linux_frame_saved_pc (struct frame_info *frame) +{ + if (frame->signal_handler_caller) + return i386_linux_sigtramp_saved_pc (frame); + + /* See comment in "i386/tm-linux.h" for an explanation what this + "FRAMELESS_SIGNAL" stuff is supposed to do. + + FIXME: kettenis/2001-03-26: That comment should eventually be + moved to this file. */ + if (FRAMELESS_SIGNAL (frame)) + { + CORE_ADDR sp = i386_linux_sigtramp_saved_sp (frame->next); + return read_memory_unsigned_integer (sp, 4); + } + + return read_memory_unsigned_integer (frame->frame + 4, 4); +} + /* Immediately after a function call, return the saved pc. */ CORE_ADDR |