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Code cleanup.
	* frame-unwind.c (frame_unwind_find_by_frame): Remove the return type
	and returned value.  New comment from frame-unwind.h.
	* frame-unwind.h (frame_unwind_find_by_frame): Remove the return type.
	Extend the comment.
	* frame.c (get_frame_id, frame_unwind_register_value)
	(create_new_frame, get_prev_frame_1, frame_unwinder_is)
	(get_frame_type, frame_unwind_arch): Do not use the return value of
	frame_unwind_find_by_frame.
This commit is contained in:
Jan Kratochvil 2010-08-11 13:22:57 +00:00
parent cb2e07a6f0
commit 9f9a8002f0
4 changed files with 30 additions and 16 deletions
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12
gdb/ChangeLog
View file

@ -1,3 +1,15 @@
2010-08-11 Jan Kratochvil <jan.kratochvil@redhat.com>
Code cleanup.
* frame-unwind.c (frame_unwind_find_by_frame): Remove the return type
and returned value. New comment from frame-unwind.h.
* frame-unwind.h (frame_unwind_find_by_frame): Remove the return type.
Extend the comment.
* frame.c (get_frame_id, frame_unwind_register_value)
(create_new_frame, get_prev_frame_1, frame_unwinder_is)
(get_frame_type, frame_unwind_arch): Do not use the return value of
frame_unwind_find_by_frame.
2010-08-11 Phil Muldoon <pmuldoon@redhat.com>
Thiago Jung Bauermann <bauerman@br.ibm.com>
Tom Tromey <tromey@redhat.com>

8
gdb/frame-unwind.c
View file

@ -88,7 +88,11 @@ frame_unwind_append_unwinder (struct gdbarch *gdbarch,
(*ip)->unwinder = unwinder;
}
const struct frame_unwind *
/* Iterate through sniffers for THIS_FRAME frame until one returns with an
unwinder implementation. THIS_FRAME->UNWIND must be NULL, it will get set
by this function. Possibly initialize THIS_CACHE. */
void
frame_unwind_find_by_frame (struct frame_info *this_frame, void **this_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
@ -104,7 +108,7 @@ frame_unwind_find_by_frame (struct frame_info *this_frame, void **this_cache)
this_cache))
{
discard_cleanups (old_cleanup);
return entry->unwinder;
return;
}
do_cleanups (old_cleanup);
}

9
gdb/frame-unwind.h
View file

@ -160,11 +160,12 @@ extern void frame_unwind_prepend_unwinder (struct gdbarch *gdbarch,
extern void frame_unwind_append_unwinder (struct gdbarch *gdbarch,
const struct frame_unwind *unwinder);
/* Iterate through sniffers for THIS frame until one returns with an
unwinder implementation. Possibly initialize THIS_CACHE. */
/* Iterate through sniffers for THIS_FRAME frame until one returns with an
unwinder implementation. THIS_FRAME->UNWIND must be NULL, it will get set
by this function. Possibly initialize THIS_CACHE. */
extern const struct frame_unwind *frame_unwind_find_by_frame (struct frame_info *this_frame,
void **this_cache);
extern void frame_unwind_find_by_frame (struct frame_info *this_frame,
void **this_cache);
/* Helper functions for value-based register unwinding. These return
a (possibly lazy) value of the appropriate type. */

17
gdb/frame.c
View file

@ -329,7 +329,7 @@ get_frame_id (struct frame_info *fi)
fi->level);
/* Find the unwinder. */
if (fi->unwind == NULL)
fi->unwind = frame_unwind_find_by_frame (fi, &fi->prologue_cache);
frame_unwind_find_by_frame (fi, &fi->prologue_cache);
/* Find THIS frame's ID. */
/* Default to outermost if no ID is found. */
fi->this_id.value = outer_frame_id;
@ -839,7 +839,7 @@ frame_unwind_register_value (struct frame_info *frame, int regnum)
/* Find the unwinder. */
if (frame->unwind == NULL)
frame->unwind = frame_unwind_find_by_frame (frame, &frame->prologue_cache);
frame_unwind_find_by_frame (frame, &frame->prologue_cache);
/* Ask this frame to unwind its register. */
value = frame->unwind->prev_register (frame, &frame->prologue_cache, regnum);
@ -1328,7 +1328,7 @@ create_new_frame (CORE_ADDR addr, CORE_ADDR pc)
/* Select/initialize both the unwind function and the frame's type
based on the PC. */
fi->unwind = frame_unwind_find_by_frame (fi, &fi->prologue_cache);
frame_unwind_find_by_frame (fi, &fi->prologue_cache);
fi->this_id.p = 1;
fi->this_id.value = frame_id_build (addr, pc);
@ -1463,8 +1463,7 @@ get_prev_frame_1 (struct frame_info *this_frame)
sniffers will think that this frame's sniffer tried to unwind
further (see frame_cleanup_after_sniffer). */
if (this_frame->unwind == NULL)
this_frame->unwind
= frame_unwind_find_by_frame (this_frame, &this_frame->prologue_cache);
frame_unwind_find_by_frame (this_frame, &this_frame->prologue_cache);
this_frame->prev_p = 1;
this_frame->stop_reason = UNWIND_NO_REASON;
@ -1961,7 +1960,7 @@ int
frame_unwinder_is (struct frame_info *fi, const struct frame_unwind *unwinder)
{
if (fi->unwind == NULL)
fi->unwind = frame_unwind_find_by_frame (fi, &fi->prologue_cache);
frame_unwind_find_by_frame (fi, &fi->prologue_cache);
return fi->unwind == unwinder;
}
@ -1983,7 +1982,7 @@ get_frame_type (struct frame_info *frame)
if (frame->unwind == NULL)
/* Initialize the frame's unwinder because that's what
provides the frame's type. */
frame->unwind = frame_unwind_find_by_frame (frame, &frame->prologue_cache);
frame_unwind_find_by_frame (frame, &frame->prologue_cache);
return frame->unwind->type;
}
@ -2063,9 +2062,7 @@ frame_unwind_arch (struct frame_info *next_frame)
struct gdbarch *arch;
if (next_frame->unwind == NULL)
next_frame->unwind
= frame_unwind_find_by_frame (next_frame,
&next_frame->prologue_cache);
frame_unwind_find_by_frame (next_frame, &next_frame->prologue_cache);
if (next_frame->unwind->prev_arch != NULL)
arch = next_frame->unwind->prev_arch (next_frame,