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binutils-gdb
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2004-08-01 Andrew Cagney <cagney@gnu.org> 

* frame.h (frame_save_as_regcache): Declare.
	* frame.c (frame_save_as_regcache): New function.
	(do_frame_read_register): Replace do_frame_unwind_register.
	(frame_pop): Use frame_save_as_regcache.
	* dummy-frame.c (generic_push_dummy_frame): Use
	frame_save_as_regcache.
This commit is contained in:
Andrew Cagney 2004-08-02 03:36:24 +00:00
parent 8d394f983f
commit a81dcb0537
4 changed files with 27 additions and 6 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2004-08-01 Andrew Cagney <cagney@gnu.org>
* frame.h (frame_save_as_regcache): Declare.
* frame.c (frame_save_as_regcache): New function.
(do_frame_read_register): Replace do_frame_unwind_register.
(frame_pop): Use frame_save_as_regcache.
* dummy-frame.c (generic_push_dummy_frame): Use
frame_save_as_regcache.
2004-08-01 Joel Brobecker <brobecker@gnat.com>
* dwarf2read.c (dwarf_decode_lines): Do not consider the current

3
gdb/dummy-frame.c
View File

@ -161,12 +161,11 @@ generic_push_dummy_frame (void)
dummy_frame = dummy_frame->next;
dummy_frame = xmalloc (sizeof (struct dummy_frame));
dummy_frame->regcache = regcache_xmalloc (current_gdbarch);
dummy_frame->regcache = frame_save_as_regcache (get_current_frame ());
dummy_frame->pc = read_pc ();
dummy_frame->top = 0;
dummy_frame->id = get_frame_id (get_current_frame ());
regcache_cpy (dummy_frame->regcache, current_regcache);
dummy_frame->next = dummy_frame_stack;
dummy_frame_stack = dummy_frame;
}

18
gdb/frame.c
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@ -456,12 +456,22 @@ get_frame_func (struct frame_info *fi)
}
static int
do_frame_unwind_register (void *src, int regnum, void *buf)
do_frame_register_read (void *src, int regnum, void *buf)
{
frame_unwind_register (src, regnum, buf);
frame_register_read (src, regnum, buf);
return 1;
}
struct regcache *
frame_save_as_regcache (struct frame_info *this_frame)
{
struct regcache *regcache = regcache_xmalloc (current_gdbarch);
struct cleanup *cleanups = make_cleanup_regcache_xfree (regcache);
regcache_save (regcache, do_frame_register_read, this_frame);
discard_cleanups (cleanups);
return regcache;
}
void
frame_pop (struct frame_info *this_frame)
{
@ -469,9 +479,9 @@ frame_pop (struct frame_info *this_frame)
Save them in a scratch buffer so that there isn't a race between
trying to extract the old values from the current_regcache while
at the same time writing new values into that same cache. */
struct regcache *scratch = regcache_xmalloc (current_gdbarch);
struct regcache *scratch
= frame_save_as_regcache (get_prev_frame_1 (this_frame));
struct cleanup *cleanups = make_cleanup_regcache_xfree (scratch);
regcache_save (scratch, do_frame_unwind_register, this_frame);
/* FIXME: cagney/2003-03-16: It should be possible to tell the
target's register cache that it is about to be hit with a burst

3
gdb/frame.h
View File

@ -518,6 +518,9 @@ extern void *frame_obstack_zalloc (unsigned long size);
#define FRAME_OBSTACK_ZALLOC(TYPE) ((TYPE *) frame_obstack_zalloc (sizeof (TYPE)))
#define FRAME_OBSTACK_CALLOC(NUMBER,TYPE) ((TYPE *) frame_obstack_zalloc ((NUMBER) * sizeof (TYPE)))
/* Create a regcache, and copy the frame's registers into it. */
struct regcache *frame_save_as_regcache (struct frame_info *this_frame);
extern void generic_save_dummy_frame_tos (CORE_ADDR sp);
extern struct block *get_frame_block (struct frame_info *,