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Add new internal problem for demangler warnings

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This commit adds a new category of internal problem for demangler
warnings.  Demangler warnings behave in much the same way as internal
warnings except that they do not create core files and no option to
change this is presented to the user.

gdb/
2014-06-19  Gary Benson  <gbenson@redhat.com>

	* utils.h (demangler_vwarning): New declaration.
	(demangler_warning): Likewise.
	* utils.c (struct internal_problem)
	<user_settable_should_quit>: New field.
	<user_settable_should_dump_core>: Likewise
	(internal_error_problem): Add values for above new fields.
	(internal_warning_problem): Likewise.
	(demangler_warning_problem): New static global.
	(demangler_vwarning): New function.
	(demangler_warning): Likewise.
	(add_internal_problem_command): Selectively add commands.
	(_initialize_utils): New internal problem command.
	* maint.c (maintenance_demangler_warning): New function.
	(_initialize_maint_cmds): New command.

gdb/doc/
2014-06-19  Gary Benson  <gbenson@redhat.com>

	* gdb.texinfo (Maintenance Commands): Document new
	"maint demangler-warning" command and new
	"maint set/show demangler-warning" option.
This commit is contained in:
Gary Benson
2014-06-19 09:10:44 +01:00
parent 45371d0cee
commit 57fcfb1b20
6 changed files with 132 additions and 44 deletions
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15
gdb/maint.c
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@ -131,6 +131,15 @@ maintenance_internal_warning (char *args, int from_tty)
internal_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
}
/* Stimulate the internal error mechanism that GDB uses when an
demangler problem is detected. Allows testing of the mechanism. */
static void
maintenance_demangler_warning (char *args, int from_tty)
{
demangler_warning (__FILE__, __LINE__, "%s", (args == NULL ? "" : args));
}
/* Someday we should allow demangling for things other than just
explicit strings. For example, we might want to be able to specify
the address of a string in either GDB's process space or the
@ -1055,6 +1064,12 @@ Give GDB an internal warning.\n\
Cause GDB to behave as if an internal warning was reported."),
&maintenancelist);
add_cmd ("demangler-warning", class_maintenance,
maintenance_demangler_warning, _("\
Give GDB a demangler warning.\n\
Cause GDB to behave as if a demangler warning was reported."),
&maintenancelist);
add_cmd ("demangle", class_maintenance, maintenance_demangle, _("\
Demangle a C++/ObjC mangled name.\n\
Call internal GDB demangler routine to demangle a C++ link name\n\