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

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* 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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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