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2010-04-15 Stan Shebs <stan@codesourcery.com>

Browse Source 
* frame.c: Include tracepoint.h.
	(get_current_frame): Allow a trace frame to be an alternate source
	of stack frame data.
	* tracepoint.c (tfind_1): Don't try to get current stack frame if
	it won't succeed.
This commit is contained in:
Stan Shebs 2010-04-16 01:12:07 +00:00
parent 47edb3fead
commit 2ce6d6bf7c
3 changed files with 31 additions and 10 deletions
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8
gdb/ChangeLog
View File

@ -1,3 +1,11 @@
2010-04-15 Stan Shebs <stan@codesourcery.com>
* frame.c: Include tracepoint.h.
(get_current_frame): Allow a trace frame to be an alternate source
of stack frame data.
* tracepoint.c (tfind_1): Don't try to get current stack frame if
it won't succeed.
2010-04-15 Pedro Alves <pedro@codesourcery.com>
* ppc-linux-tdep.c (bsd_uthread_solib_loaded): Always pass 0 for

17
gdb/frame.c
View File

@ -43,6 +43,7 @@
#include "gdbthread.h"
#include "block.h"
#include "inline-frame.h"
#include "tracepoint.h"
static struct frame_info *get_prev_frame_1 (struct frame_info *this_frame);
static struct frame_info *get_prev_frame_raw (struct frame_info *this_frame);
@ -1144,12 +1145,16 @@ get_current_frame (void)
error (_("No stack."));
if (!target_has_memory)
error (_("No memory."));
if (ptid_equal (inferior_ptid, null_ptid))
error (_("No selected thread."));
if (is_exited (inferior_ptid))
error (_("Invalid selected thread."));
if (is_executing (inferior_ptid))
error (_("Target is executing."));
/* Traceframes are effectively a substitute for the live inferior. */
if (get_traceframe_number () < 0)
{
if (ptid_equal (inferior_ptid, null_ptid))
error (_("No selected thread."));
if (is_exited (inferior_ptid))
error (_("Invalid selected thread."));
if (is_executing (inferior_ptid))
error (_("Target is executing."));
}
if (current_frame == NULL)
{

16
gdb/tracepoint.c
View File

@ -1856,11 +1856,19 @@ tfind_1 (enum trace_find_type type, int num,
int from_tty)
{
int target_frameno = -1, target_tracept = -1;
struct frame_id old_frame_id;
struct frame_id old_frame_id = null_frame_id;
char *reply;
struct breakpoint *tp;
old_frame_id = get_frame_id (get_current_frame ());
/* Only try to get the current stack frame if we have a chance of
succeeding. In particular, if we're trying to get a first trace
frame while all threads are running, it's not going to succeed,
so leave it with a default value and let the frame comparison
below (correctly) decide to print out the source location of the
trace frame. */
if (!(type == tfind_number && num == -1)
&& (has_stack_frames () || traceframe_number >= 0))
old_frame_id = get_frame_id (get_current_frame ());
target_frameno = target_trace_find (type, num, addr1, addr2,
&target_tracept);
@ -1873,7 +1881,7 @@ tfind_1 (enum trace_find_type type, int num,
}
else if (target_frameno == -1)
{
/* A request for a non-existant trace frame has failed.
/* A request for a non-existent trace frame has failed.
Our response will be different, depending on FROM_TTY:
If FROM_TTY is true, meaning that this command was
@ -1952,7 +1960,7 @@ tfind_1 (enum trace_find_type type, int num,
{
enum print_what print_what;
/* NOTE: in immitation of the step command, try to determine
/* NOTE: in imitation of the step command, try to determine
whether we have made a transition from one function to
another. If so, we'll print the "stack frame" (ie. the new
function and it's arguments) -- otherwise we'll just show the