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2003-01-08 Andrew Cagney <cagney@redhat.com>

Browse source 
* gcore.c, i386-linux-tdep.c: Use get_frame_pc, get_next_frame and
	get_frame_base.
This commit is contained in:
Andrew Cagney 2003-01-08 22:47:46 +00:00
parent bca02a8a3a
commit 8d357ccaa7
3 changed files with 15 additions and 9 deletions
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5
gdb/ChangeLog
View file

@ -1,3 +1,8 @@
2003-01-08 Andrew Cagney <cagney@redhat.com>
* gcore.c, i386-linux-tdep.c: Use get_frame_pc, get_next_frame and
get_frame_base.
2003-01-08 David Carlton <carlton@math.stanford.edu>
* linespec.c (decode_line_1): Move code into decode_variable.

4
gdb/gcore.c
View file

@ -179,7 +179,7 @@ derive_stack_segment (bfd_vma *bottom, bfd_vma *top)
return 0; /* Can't succeed without current frame. */
/* Save frame pointer of TOS frame. */
*top = fi->frame;
*top = get_frame_base (fi);
/* If current stack pointer is more "inner", use that instead. */
if (INNER_THAN (read_sp (), *top))
*top = read_sp ();
@ -189,7 +189,7 @@ derive_stack_segment (bfd_vma *bottom, bfd_vma *top)
fi = tmp_fi;
/* Save frame pointer of prev-most frame. */
*bottom = fi->frame;
*bottom = get_frame_base (fi);
/* Now canonicalize their order, so that 'bottom' is a lower address
(as opposed to a lower stack frame). */

15
gdb/i386-linux-tdep.c
View file

@ -247,16 +247,16 @@ i386_linux_sigcontext_addr (struct frame_info *frame)
{
CORE_ADDR pc;
pc = i386_linux_sigtramp_start (frame->pc);
pc = i386_linux_sigtramp_start (get_frame_pc (frame));
if (pc)
{
CORE_ADDR sp;
if (frame->next)
if (get_next_frame (frame))
/* If this isn't the top frame, the next frame must be for the
signal handler itself. The sigcontext structure lives on
the stack, right after the signum argument. */
return frame->next->frame + 12;
return get_frame_base (get_next_frame (frame)) + 12;
/* This is the top frame. We'll have to find the address of the
sigcontext structure by looking at the stack pointer. Keep
@ -264,20 +264,21 @@ i386_linux_sigcontext_addr (struct frame_info *frame)
"pop %eax". If the PC is at this instruction, adjust the
returned value accordingly. */
sp = read_register (SP_REGNUM);
if (pc == frame->pc)
if (pc == get_frame_pc (frame))
return sp + 4;
return sp;
}
pc = i386_linux_rt_sigtramp_start (frame->pc);
pc = i386_linux_rt_sigtramp_start (get_frame_pc (frame));
if (pc)
{
if (frame->next)
if (get_next_frame (frame))
/* If this isn't the top frame, the next frame must be for the
signal handler itself. The sigcontext structure is part of
the user context. A pointer to the user context is passed
as the third argument to the signal handler. */
return read_memory_integer (frame->next->frame + 16, 4) + 20;
return read_memory_integer (get_frame_base (get_next_frame (frame))
+ 16, 4) + 20;
/* This is the top frame. Again, use the stack pointer to find
the address of the sigcontext structure. */