eb9d945afa
- Fix rereading of the main executable on its change.
89 lines
3.6 KiB
Diff
89 lines
3.6 KiB
Diff
2005-12-01 Jeff Johnston <jjohnstn@redhat.com>
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* frame.c (backtrace_past_zero_pc): New static variable.
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(get_prev_frame): Don't return NULL for zero pc value if
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backtrace past-zero-frame option is turned on.
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(_initialize_frame): Initialize new command to allow backtracing
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past a zero pc value (set backtrace past-zero-pc).
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testsuite/gdb.base:
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2005-12-01 Jeff Johnston <jjohnstn@redhat.com>
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* setshow.exp: Add testing of "set backtrace past-zero-pc" option.
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2007-10-15 Jan Kratochvil <jan.kratochvil@redhat.com>
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Port to GDB-6.7.
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Index: gdb-6.7/gdb/testsuite/gdb.base/setshow.exp
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===================================================================
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--- gdb-6.7.orig/gdb/testsuite/gdb.base/setshow.exp 2007-08-23 20:14:17.000000000 +0200
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+++ gdb-6.7/gdb/testsuite/gdb.base/setshow.exp 2007-10-15 21:34:52.000000000 +0200
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@@ -106,6 +106,16 @@ if { ![target_info exists use_gdb_stub]
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delete_breakpoints
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gdb_test "run" "Starting program:.*foo bar blup baz bubble.*" "passing args"
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}
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+#test show backtrace past-zero-pc
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+gdb_test "show backtrace past-zero-pc" "Whether backtraces should continue past a zero pc value is off." "default show backtrace past-zero-pc (off)"
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+#test set backtrace past-zero-pc on
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+gdb_test "set backtrace past-zero-pc on" "" "set backtrace past-zero-pc on"
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+#test show backtrace past-zero-pc
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+gdb_test "show backtrace past-zero-pc" "Whether backtraces should continue past a zero pc value is on." "show backtrace past-zero-pc (on)"
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+#test set backtrace past-zero-pc off
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+gdb_test "set backtrace past-zero-pc off" "" "set backtrace past-zero-pc off"
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+#test show backtrace past-zero-pc
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+gdb_test "show backtrace past-zero-pc" "Whether backtraces should continue past a zero pc value is off." "show backtrace past-zero-pc (off)"
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#test set check range on
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gdb_test "set check range on" "" "set check range on"
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#test show check range on
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Index: gdb-6.7/gdb/frame.c
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===================================================================
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--- gdb-6.7.orig/gdb/frame.c 2007-10-12 22:35:58.000000000 +0200
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+++ gdb-6.7/gdb/frame.c 2007-10-15 21:34:52.000000000 +0200
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@@ -133,6 +133,16 @@ Whether backtraces should continue past
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value);
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}
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+static int backtrace_past_zero_pc;
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+static void
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+show_backtrace_past_zero_pc (struct ui_file *file, int from_tty,
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+ struct cmd_list_element *c, const char *value)
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+{
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+ fprintf_filtered (file, _("\
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+Whether backtraces should continue past a zero pc value is %s.\n"),
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+ value);
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+}
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+
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static int backtrace_past_entry;
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static void
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show_backtrace_past_entry (struct ui_file *file, int from_tty,
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@@ -1483,9 +1493,7 @@ get_prev_frame (struct frame_info *this_
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}
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if (this_frame->level > 0
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-#if 0
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- && backtrace_past_zero_pc
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-#endif
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+ && !backtrace_past_zero_pc
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&& get_frame_type (this_frame) == NORMAL_FRAME
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&& get_frame_type (get_next_frame (this_frame)) == NORMAL_FRAME
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&& get_frame_pc (this_frame) == 0)
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@@ -1850,6 +1858,17 @@ the rest of the stack trace."),
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&set_backtrace_cmdlist,
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&show_backtrace_cmdlist);
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+ add_setshow_boolean_cmd ("past-zero-pc", class_obscure,
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+ &backtrace_past_zero_pc, _("\
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+Set whether backtraces should continue past a zero pc value."), _("\
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+Show whether backtraces should continue past a zero pc value."), _("\
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+Normally GDB stops backtracing when it finds a zero pc.\n\
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+Set this variable if you need to see the rest of the stack trace."),
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+ NULL,
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+ show_backtrace_past_zero_pc,
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+ &set_backtrace_cmdlist,
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+ &show_backtrace_cmdlist);
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+
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add_setshow_integer_cmd ("limit", class_obscure,
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&backtrace_limit, _("\
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Set an upper bound on the number of backtrace levels."), _("\
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