binutils-gdb/gdb/testsuite/gdb.dwarf2/dw2-dummy-cu.S
Doug Evans cc12ce380e Fix crash when reading dummy CUs.
Dummy CUs are used by the incremental linker to pre-allocate space
in the output file. They have a DWARF header but no contents.

gdb/ChangeLog:

	* dwarf2read.c (dwarf2_per_cu_data): Add comment.
	(load_cu): Handle dummy CUs.
	(dw2_do_instantiate_symtab, process_queuef): Ditto.
	(dwarf2_fetch_die_loc_sect_off, dwarf2_fetch_constant_bytes): Ditto.

gdb/testsuite/ChangeLog:

	* gdb.dwarf2/dw2-dummy-cu.S: New file.
	* gdb.dwarf2/dw2-dummy-cu.exp: New file.
2015-07-23 09:25:49 -07:00

34 lines
1.1 KiB
ArmAsm

/* Copyright 2015 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/>. */
.text
main:
.4byte 0
main_end:
.section .debug_info
.4byte .Ldebug_info_end - 1f /* Length of Compilation Unit Info */
1:
.2byte 0x2 /* DWARF version number */
.4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
.byte 0x4 /* Pointer Size (in bytes) */
/* Nothing else, this is a dummy die. */
.Ldebug_info_end:
.section .debug_abbrev
.Ldebug_abbrev0:
.byte 0x0