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2003-01-16 Andrew Cagney <ac131313@redhat.com>

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* frame.h (frame_id_unwind_ftype): Change type so that the frame's
	ID back using a parameter.
	* frame.c (frame_id_unwind): Update call.
	(frame_saved_regs_id_unwind): Update.
	* dummy-frame.c (dummy_frame_id_unwind): Update function.
	* dummy-frame.h (struct frame_id): Add opaque declaration.
	(dummy_frame_id_unwind): Update declaration.
This commit is contained in:
Andrew Cagney 2003-01-16 16:54:57 +00:00
parent e01f337c00
commit c170fb600a
5 changed files with 41 additions and 22 deletions
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10
gdb/ChangeLog
View File

@ -1,3 +1,13 @@
2003-01-16 Andrew Cagney <ac131313@redhat.com>
* frame.h (frame_id_unwind_ftype): Change type so that the frame's
ID back using a parameter.
* frame.c (frame_id_unwind): Update call.
(frame_saved_regs_id_unwind): Update.
* dummy-frame.c (dummy_frame_id_unwind): Update function.
* dummy-frame.h (struct frame_id): Add opaque declaration.
(dummy_frame_id_unwind): Update declaration.
2003-01-15 Andrew Cagney <ac131313@redhat.com>
* sparc-tdep.c: Delete reference to PRINT_REGISTER_HOOK.

11
gdb/dummy-frame.c
View File

@ -345,16 +345,17 @@ dummy_frame_pc_unwind (struct frame_info *frame,
}
struct frame_id
dummy_frame_id_unwind (struct frame_info *frame,
void **cache)
void
dummy_frame_id_unwind (struct frame_info *frame, void **cache,
struct frame_id *id)
{
struct dummy_frame *dummy = cached_find_dummy_frame (frame, cache);
/* Oops! In a dummy-frame but can't find the stack dummy. Pretend
that the frame doesn't unwind. Should this function instead
return a has-no-caller indication? */
if (dummy == NULL)
return null_frame_id;
return dummy->id;
(*id) = null_frame_id;
else
(*id) = dummy->id;
}

6
gdb/dummy-frame.h
View File

@ -24,6 +24,7 @@
struct frame_info;
struct regcache;
struct frame_id;
/* GENERIC DUMMY FRAMES
@ -63,8 +64,9 @@ extern CORE_ADDR dummy_frame_pc_unwind (struct frame_info *frame,
/* Assuming that FRAME is a dummy, return the ID of the calling frame
(the frame that the dummy has the saved state of). */
extern struct frame_id dummy_frame_id_unwind (struct frame_info *frame,
void **unwind_cache);
extern void dummy_frame_id_unwind (struct frame_info *frame,
void **unwind_cache,
struct frame_id *id);
/* Does the PC fall in a dummy frame?

31
gdb/frame.c
View File

@ -138,8 +138,7 @@ frame_id_unwind (struct frame_info *frame)
{
if (!frame->id_unwind_cache_p)
{
frame->id_unwind_cache =
frame->id_unwind (frame, &frame->unwind_cache);
frame->id_unwind (frame, &frame->unwind_cache, &frame->id_unwind_cache);
frame->id_unwind_cache_p = 1;
}
return frame->id_unwind_cache;
@ -655,11 +654,16 @@ frame_saved_regs_pc_unwind (struct frame_info *frame, void **cache)
return FRAME_SAVED_PC (frame);
}
static struct frame_id
frame_saved_regs_id_unwind (struct frame_info *next_frame, void **cache)
static void
frame_saved_regs_id_unwind (struct frame_info *next_frame, void **cache,
struct frame_id *id)
{
int fromleaf;
struct frame_id id;
CORE_ADDR base;
CORE_ADDR pc;
/* Start out by assuming it's NULL. */
(*id) = null_frame_id;
if (next_frame->next == NULL)
/* FIXME: 2002-11-09: Frameless functions can occure anywhere in
@ -677,7 +681,7 @@ frame_saved_regs_id_unwind (struct frame_info *next_frame, void **cache)
/* FIXME: 2002-11-09: There isn't any reason to special case this
edge condition. Instead the per-architecture code should hande
it locally. */
id.base = get_frame_base (next_frame);
base = get_frame_base (next_frame);
else
{
/* Two macros defined in tm.h specify the machine-dependent
@ -695,18 +699,19 @@ frame_saved_regs_id_unwind (struct frame_info *next_frame, void **cache)
this to after the ffi test; I'd rather have backtraces from
start go curfluy than have an abort called from main not show
main. */
id.base = FRAME_CHAIN (next_frame);
base = FRAME_CHAIN (next_frame);
if (!frame_chain_valid (id.base, next_frame))
return null_frame_id;
if (!frame_chain_valid (base, next_frame))
return;
}
if (id.base == 0)
return null_frame_id;
if (base == 0)
return;
/* FIXME: cagney/2002-06-08: This should probably return the frame's
function and not the PC (a.k.a. resume address). */
id.pc = frame_pc_unwind (next_frame);
return id;
pc = frame_pc_unwind (next_frame);
id->pc = pc;
id->base = base;
}
/* Function: get_saved_register

5
gdb/frame.h
View File

@ -335,8 +335,9 @@ typedef CORE_ADDR (frame_pc_unwind_ftype) (struct frame_info *frame,
/* Same as for registers above, but return the ID of the frame that
called this one. */
typedef struct frame_id (frame_id_unwind_ftype) (struct frame_info *frame,
void **unwind_cache);
typedef void (frame_id_unwind_ftype) (struct frame_info *frame,
void **unwind_cache,
struct frame_id *id);
/* Describe the saved registers of a frame. */