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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
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@ -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> 2005-05-28 Daniel Jacobowitz <dan@codesourcery.com>
* configure.tgt (powerpc64-*-linux*): Enable gdbserver. * 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); value);
} }
static unsigned int backtrace_limit = UINT_MAX; static int backtrace_limit = INT_MAX;
static void static void
show_backtrace_limit (struct ui_file *file, int from_tty, show_backtrace_limit (struct ui_file *file, int from_tty,
struct cmd_list_element *c, const char *value) struct cmd_list_element *c, const char *value)
@ -1258,9 +1258,16 @@ get_prev_frame (struct frame_info *this_frame)
return NULL; 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, /* 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, &set_backtrace_cmdlist,
&show_backtrace_cmdlist); &show_backtrace_cmdlist);
add_setshow_uinteger_cmd ("limit", class_obscure, add_setshow_integer_cmd ("limit", class_obscure,
&backtrace_limit, _("\ &backtrace_limit, _("\
Set an upper bound on the number of backtrace levels."), _("\ Set an upper bound on the number of backtrace levels."), _("\
Show the 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\ No more than the specified number of frames can be displayed or examined.\n\
Zero is unlimited."), Zero is unlimited."),
NULL, NULL,
show_backtrace_limit, show_backtrace_limit,
&set_backtrace_cmdlist, &set_backtrace_cmdlist,
&show_backtrace_cmdlist); &show_backtrace_cmdlist);
/* Debug this files internals. */ /* Debug this files internals. */
add_setshow_zinteger_cmd ("frame", class_maintenance, &frame_debug, _("\ add_setshow_zinteger_cmd ("frame", class_maintenance, &frame_debug, _("\