gdb/testsuite/gdb.dwarf2/dw2-cu-size.S

/* This testcase is part of GDB, the GNU debugger.

   Copyright 2008-2021 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Test inter-cu reference support where the referenced DIE is within
   initial_length_size bytes of the end of the CU, but GDB doesn't take
   into account initial_length_size.
   GDB still gets the correct answer because it goes looking for the
   correct CU, but the search is unnecessary.  */

/* Debug information */

	.section .debug_info
.Lcu1_begin:
	/* CU header */
	.4byte	.Lcu1_end - .Lcu1_start		/* Length of Compilation Unit */
.Lcu1_start:
	.2byte	2				/* DWARF Version */
	.4byte	.Labbrev1_begin			/* Offset into abbrev section */
	.byte	4				/* Pointer size */

	/* CU die */
	.uleb128 1				/* Abbrev: DW_TAG_compile_unit */
	.ascii	"file1.txt\0"			/* DW_AT_name */
	.ascii	"GNU C 3.3.3\0"			/* DW_AT_producer */
	.byte	1				/* DW_AT_language (C) */

	.uleb128	2			/* Abbrev: DW_TAG_variable */
	.ascii		"noloc\0"		/* DW_AT_name */
	.4byte		.Ltype_const_int-.Lcu1_begin /* DW_AT_type */
	.byte		1			/* DW_AT_external */

.Ltype_int:
	.uleb128	3			/* Abbrev: DW_TAG_base_type */
	.ascii		"int\0"			/* DW_AT_name */
	.byte		4			/* DW_AT_byte_size */
	.byte		5			/* DW_AT_encoding */

.Ltype_const_int:
	.uleb128	4			/* Abbrev: DW_TAG_const_type */
	.uleb128	.Ltype_int - .Lcu1_begin /* DW_AT_type */

	.byte		0			/* End of children of CU */

.Lcu1_end:

/* Abbrev table */
	.section .debug_abbrev
.Labbrev1_begin:
	.uleb128	1			/* Abbrev code */
	.uleb128	0x11			/* DW_TAG_compile_unit */
	.byte		1			/* has_children */
	.uleb128	0x3			/* DW_AT_name */
	.uleb128	0x8			/* DW_FORM_string */
	.uleb128	0x25			/* DW_AT_producer */
	.uleb128	0x8			/* DW_FORM_string */
	.uleb128	0x13			/* DW_AT_language */
	.uleb128	0xb			/* DW_FORM_data1 */
	.byte		0x0			/* Terminator */
	.byte		0x0			/* Terminator */

	.uleb128	2			/* Abbrev code */
	.uleb128	0x34			/* DW_TAG_variable */
	.byte		0			/* has_children */
	.uleb128	0x3			/* DW_AT_name */
	.uleb128	0x8			/* DW_FORM_string */
	.uleb128	0x49			/* DW_AT_type */
	.uleb128	0x13			/* DW_FORM_ref4 */
	.uleb128	0x3f			/* DW_AT_external */
	.uleb128	0xc			/* DW_FORM_flag */
	.byte		0x0			/* Terminator */
	.byte		0x0			/* Terminator */

	.uleb128	3			/* Abbrev code */
	.uleb128	0x24			/* DW_TAG_base_type */
	.byte		0			/* has_children */
	.uleb128	0x3			/* DW_AT_name */
	.uleb128	0x8			/* DW_FORM_string */
	.uleb128	0xb			/* DW_AT_byte_size */
	.uleb128	0xb			/* DW_FORM_data1 */
	.uleb128	0x3e			/* DW_AT_encoding */
	.uleb128	0xb			/* DW_FORM_data1 */
	.byte		0x0			/* Terminator */
	.byte		0x0			/* Terminator */

	.uleb128	4			/* Abbrev code */
	.uleb128	0x26			/* DW_TAG_const_type */
	.byte		0			/* has_children */
	.uleb128	0x49			/* DW_AT_type */
	.uleb128	0x15			/* DW_FORM_ref_udata */

	.byte		0x0			/* Terminator */
	.byte		0x0			/* Terminator */

	.byte		0x0			/* Terminator .debug_abbrev
						   section.  */