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2003-10-17 Jeff Johnston <jjohnstn@redhat.com>

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* frame.h (struct frame_id): Add new field: special_addr.
        (frame_id_build_special): New prototype.
        * frame.c (frame_id_build_special): New function.
        (frame_id_build): Change to call frame_id_build_special().
        (frame_id_eq): Change to also test special_addr field.
        (frame_id_inner): Update comment.
This commit is contained in:
Jeff Johnston
2003-10-17 16:32:17 +00:00
parent 7998dfc390
commit 48c6672556
3 changed files with 64 additions and 13 deletions
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27
gdb/frame.c
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@ -144,9 +144,10 @@ static unsigned int backtrace_limit = UINT_MAX;
void
fprint_frame_id (struct ui_file *file, struct frame_id id)
{
fprintf_unfiltered (file, "{stack=0x%s,code=0x%s}",
fprintf_unfiltered (file, "{stack=0x%s,code=0x%s,special=0x%s}",
paddr_nz (id.stack_addr),
paddr_nz (id.code_addr));
paddr_nz (id.code_addr),
paddr_nz (id.special_addr));
}
static void
@ -256,14 +257,22 @@ get_frame_id (struct frame_info *fi)
const struct frame_id null_frame_id; /* All zeros. */
struct frame_id
frame_id_build (CORE_ADDR stack_addr, CORE_ADDR code_addr)
frame_id_build_special (CORE_ADDR stack_addr, CORE_ADDR code_addr,
CORE_ADDR special_addr)
{
struct frame_id id;
id.stack_addr = stack_addr;
id.code_addr = code_addr;
id.special_addr = special_addr;
return id;
}
struct frame_id
frame_id_build (CORE_ADDR stack_addr, CORE_ADDR code_addr)
{
return frame_id_build_special (stack_addr, code_addr, 0);
}
int
frame_id_p (struct frame_id l)
{
@ -292,8 +301,14 @@ frame_id_eq (struct frame_id l, struct frame_id r)
else if (l.code_addr == 0 || r.code_addr == 0)
/* A zero code addr is a wild card, always succeed. */
eq = 1;
else if (l.code_addr == r.code_addr)
/* The .stack and .code are identical, the ID's are identical. */
else if (l.code_addr != r.code_addr)
/* If .code addresses are different, the frames are different. */
eq = 0;
else if (l.special_addr == 0 || r.special_addr == 0)
/* A zero special addr is a wild card (or unused), always succeed. */
eq = 1;
else if (l.special_addr == r.special_addr)
/* Frames are equal. */
eq = 1;
else
/* No luck. */
@ -320,7 +335,7 @@ frame_id_inner (struct frame_id l, struct frame_id r)
/* Only return non-zero when strictly inner than. Note that, per
comment in "frame.h", there is some fuzz here. Frameless
functions are not strictly inner than (same .stack but
different .code). */
different .code and/or .special address). */
inner = INNER_THAN (l.stack_addr, r.stack_addr);
if (frame_debug)
{