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PR backtrace/1760

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* frame.c (backtrace_limit): Change type to int.
	(get_prev_frame): Update backtrace limit support.
	(_initialize_frame): Use add_setshow_integer_cmd for backtrace_limit.
This commit is contained in:
Daniel Jacobowitz 2005-05-28 22:51:37 +00:00
parent eee84df140
commit 4a5e53e83f
2 changed files with 24 additions and 9 deletions
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8
gdb/ChangeLog
View file

@ -1,3 +1,11 @@
2005-05-28 Daniel Jacobowitz <dan@codesourcery.com>
Jonathan Larmour <jifl@eCosCentric.com>
PR backtrace/1760
* frame.c (backtrace_limit): Change type to int.
(get_prev_frame): Update backtrace limit support.
(_initialize_frame): Use add_setshow_integer_cmd for backtrace_limit.
2005-05-28 Daniel Jacobowitz <dan@codesourcery.com>
* configure.tgt (powerpc64-*-linux*): Enable gdbserver.

25
gdb/frame.c
View file

@ -141,7 +141,7 @@ Whether backtraces should continue past the entry point of a program is %s.\n"),
value);
}
static unsigned int backtrace_limit = UINT_MAX;
static int backtrace_limit = INT_MAX;
static void
show_backtrace_limit (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value)
@ -1258,9 +1258,16 @@ get_prev_frame (struct frame_info *this_frame)
return NULL;
}
if (this_frame->level > backtrace_limit)
/* If the user's backtrace limit has been exceeded, stop. We must
add two to the current level; one of those accounts for backtrace_limit
being 1-based and the level being 0-based, and the other accounts for
the level of the new frame instead of the level of the current
frame. */
if (this_frame->level + 2 > backtrace_limit)
{
error (_("Backtrace limit of %d exceeded"), backtrace_limit);
frame_debug_got_null_frame (gdb_stdlog, this_frame,
"backtrace limit exceeded");
return NULL;
}
/* If we're already inside the entry function for the main objfile,
@ -1610,16 +1617,16 @@ the rest of the stack trace."),
&set_backtrace_cmdlist,
&show_backtrace_cmdlist);
add_setshow_uinteger_cmd ("limit", class_obscure,
&backtrace_limit, _("\
add_setshow_integer_cmd ("limit", class_obscure,
&backtrace_limit, _("\
Set an upper bound on the number of backtrace levels."), _("\
Show the upper bound on the number of backtrace levels."), _("\
No more than the specified number of frames can be displayed or examined.\n\
Zero is unlimited."),
NULL,
show_backtrace_limit,
&set_backtrace_cmdlist,
&show_backtrace_cmdlist);
NULL,
show_backtrace_limit,
&set_backtrace_cmdlist,
&show_backtrace_cmdlist);
/* Debug this files internals. */
add_setshow_zinteger_cmd ("frame", class_maintenance, &frame_debug, _("\