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* varobj.c (value_get_print_value): Rearrange.  Pass stream to
	apply_varobj_pretty_printer.
	* c-lang.c: Include exceptions.h.
	(c_get_string): Throw MEMORY_ERROR when appropriate.
	* python/py-prettyprint.c (enum string_repr_result): New.
	(print_stack_unless_memory_error): New function.
	(print_string_repr): Change return type.  Use
	print_stack_unless_memory_error.
	(print_children): Use print_stack_unless_memory_error.
	(apply_val_pretty_printer): Update.  Don't print children if
	string representation threw an exception.
	(apply_varobj_pretty_printer): Add 'stream' argument.  Use
	print_stack_unless_memory_error.
	* python/python.c (gdbpy_gdb_error, gdbpy_gdb_memory_error): New
	globals.
	(_initialize_python): Initialize them.
	* python/python-internal.h (GDB_PY_HANDLE_EXCEPTION): Use
	gdbpy_convert_exception.
	(GDB_PY_SET_HANDLE_EXCEPTION): Likewise.
	(gdbpy_gdb_error, gdbpy_gdb_memory_error): Declare.
	(gdbpy_convert_exception): Declare.
	(apply_varobj_pretty_printer): Update.
	* python/py-utils.c (gdbpy_convert_exception): New function.
gdb/doc
	* gdb.texinfo (Basic Python): Update.  Add xref.
	(Exception Handling): Document new exception classes.
	(Types In Python): Update.
	(Frames In Python): Update.
gdb/testsuite
	* gdb.python/py-prettyprint.c (main): Add new 'ns2' local.
	* gdb.python/py-prettyprint.exp (run_lang_tests): Add test for
	MemoryError.
	* gdb.python/python.exp (gdb_py_test_multiple): Update exception
	type.
	* gdb.python/py-value.exp (test_value_in_inferior): Add test for
	MemoryError.
	(test_subscript_regression): Update exception type.
This commit is contained in:
Tom Tromey 2010-11-12 20:49:43 +00:00
parent f1b9e6e7ee
commit 621c83642d
14 changed files with 223 additions and 58 deletions
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15
gdb/c-lang.c
View file

@ -35,6 +35,7 @@
#include "cp-support.h"
#include "gdb_obstack.h"
#include <ctype.h>
#include "exceptions.h"
extern void _initialize_c_language (void);
@ -698,13 +699,19 @@ c_get_string (struct value *value, gdb_byte **buffer, int *length,
}
else
{
err = read_string (value_as_address (value), *length, width, fetchlimit,
byte_order, buffer, length);
CORE_ADDR addr = value_as_address (value);
err = read_string (addr, *length, width, fetchlimit,
byte_order, buffer, length);
if (err)
{
xfree (*buffer);
error (_("Error reading string from inferior: %s"),
safe_strerror (err));
if (err == EIO)
throw_error (MEMORY_ERROR, "Address %s out of bounds",
paddress (get_type_arch (type), addr));
else
error (_("Error reading string from inferior: %s"),
safe_strerror (err));
}
}