e2f0d509b3
binutils readelf -wi:
<4><a2>: Abbrev Number: 26 (DW_TAG_inlined_subroutine)
<a3> DW_AT_abstract_origin: <0x5a>
<a7> DW_AT_low_pc : 0x400590
<ab> DW_AT_high_pc : 0x4
<af> DW_AT_call_file : 1
<b0> DW_AT_call_line : 20
<b1> DW_AT_sibling : <0xb8>
<2><b8>: Abbrev Number: 35 (DW_TAG_inlined_subroutine)
<b9> DW_AT_abstract_origin: <0x5a>
<bd> DW_AT_low_pc : 0x400590
<c1> DW_AT_high_pc : 0x4
<c5> DW_AT_call_file : 1
<c6> DW_AT_call_line : 29
<b1> DW_AT_sibling points to the next DIE - but that DIE is 2 levels
upwards - definitely not a sibling. This confuses GDB up to a crash:
==32143== ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6024000198ac at pc 0xb4d104 bp 0x7fff63e96e70 sp
0x7fff63e96e60
READ of size 1 at 0x6024000198ac thread T0
#0 0xb4d103 in read_unsigned_leb128 (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb4d103)
#1 0xb15f3c in peek_die_abbrev (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb15f3c)
#2 0xb46185 in load_partial_dies (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb46185)
#3 0xb103fb in process_psymtab_comp_unit_reader (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb103fb)
#4 0xb0d2a9 in init_cutu_and_read_dies (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb0d2a9)
#5 0xb1115f in process_psymtab_comp_unit (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb1115f)
#6 0xb1235f in dwarf2_build_psymtabs_hard (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb1235f)
#7 0xb05536 in dwarf2_build_psymtabs (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0xb05536)
#8 0x86d5a5 in read_psyms (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x86d5a5)
#9 0x9b1c37 in require_partial_symbols (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x9b1c37)
#10 0x9bf2d0 in read_symbols (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x9bf2d0)
#11 0x9c014c in syms_from_objfile_1 (/home/jkratoch/redhat/gdb-clean/gdb/gdb+0x9c014c)
gdb/testsuite/
2014-02-25 Jan Kratochvil <jan.kratochvil@redhat.com>
Fix dw2-icycle.exp -fsanitize=address GDB crash.
* gdb.dwarf2/dw2-icycle.S: Remove all DW_AT_sibling.
Message-ID: <20140224201011.GA28926@host2.jankratochvil.net>
248 lines
8.1 KiB
ArmAsm
248 lines
8.1 KiB
ArmAsm
/* This testcase is part of GDB, the GNU debugger.
|
|
|
|
Copyright 2014 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
|
|
|
|
.Ltext0:
|
|
.type p__top__middle__inside.3062, @function
|
|
p__top__middle__inside.3062:
|
|
.LFB4:
|
|
.file 1 "p.adb"
|
|
.4byte 0
|
|
.LBE6:
|
|
|
|
.globl p__top
|
|
.type p__top, @function
|
|
p__top:
|
|
.LFB2:
|
|
.4byte 0
|
|
.LFE2:
|
|
.Letext0:
|
|
|
|
.section .debug_info
|
|
.Ldebug_info0:
|
|
.4byte .Ledebug_info0 - .Lsdebug_info0 /* Length of CU Info */
|
|
.Lsdebug_info0:
|
|
.2byte 0x4 /* DWARF version number */
|
|
.4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
|
|
.byte 0x4 /* Pointer Size (in bytes) */
|
|
.uleb128 0x1 /* (DIE (0xb) DW_TAG_compile_unit) */
|
|
.ascii "GNU Ada 4.9.0 20140126\0" /* DW_AT_producer */
|
|
.byte 0xd /* DW_AT_language */
|
|
.ascii "p.adb\0" /* DW_AT_name */
|
|
.ascii "/tmp\0" /* DW_AT_comp_dir */
|
|
.4byte .Ltext0 /* DW_AT_low_pc */
|
|
.4byte .Letext0-.Ltext0 /* DW_AT_high_pc */
|
|
.S0x142:
|
|
.uleb128 0x8 /* (DIE (0x142) DW_TAG_base_type) */
|
|
.byte 0x4 /* DW_AT_byte_size */
|
|
.byte 0x5 /* DW_AT_encoding */
|
|
.ascii "integer\0" /* DW_AT_name */
|
|
|
|
.uleb128 0x13 /* (DIE (0x1b4) DW_TAG_subprogram) */
|
|
/* DW_AT_external */
|
|
.ascii "p__top\0" /* DW_AT_name */
|
|
.byte 0x1 /* DW_AT_decl_file (p.adb) */
|
|
.byte 0x3 /* DW_AT_decl_line */
|
|
.4byte .LFB2 /* DW_AT_low_pc */
|
|
.4byte .LFE2-.LFB2 /* DW_AT_high_pc */
|
|
.uleb128 0x1 /* DW_AT_frame_base */
|
|
.byte 0x9c /* DW_OP_call_frame_cfa */
|
|
/* DW_AT_GNU_all_call_sites */
|
|
.S0x1e0:
|
|
.uleb128 0x15 /* (DIE (0x1e0) DW_TAG_subprogram) */
|
|
.ascii "p__top__middle\0" /* DW_AT_name */
|
|
.byte 0x1 /* DW_AT_decl_file (p.adb) */
|
|
.byte 0x4 /* DW_AT_decl_line */
|
|
.byte 0x1 /* DW_AT_inline */
|
|
.S0x202:
|
|
.uleb128 0x15 /* (DIE (0x202) DW_TAG_subprogram) */
|
|
.ascii "p__top__middle__inside\0" /* DW_AT_name */
|
|
.byte 0x1 /* DW_AT_decl_file (p.adb) */
|
|
.byte 0x5 /* DW_AT_decl_line */
|
|
.byte 0x1 /* DW_AT_inline */
|
|
.byte 0 /* end of children of DIE 0x202 */
|
|
.S0x225:
|
|
.uleb128 0x18 /* (DIE (0x225) DW_TAG_subprogram) */
|
|
.4byte .S0x202 - .Ldebug_info0 /* DW_AT_abstract_origin */
|
|
.4byte .LFB4 /* DW_AT_low_pc */
|
|
.4byte .LBE6-.LFB4 /* DW_AT_high_pc */
|
|
.uleb128 0x1 /* DW_AT_frame_base */
|
|
.byte 0x9c /* DW_OP_call_frame_cfa */
|
|
.uleb128 0x1 /* DW_AT_static_link */
|
|
.byte 0x56 /* DW_OP_reg6 */
|
|
/* DW_AT_GNU_all_call_sites */
|
|
.uleb128 0x1a /* (DIE (0x247) DW_TAG_inlined_subroutine) */
|
|
.4byte .S0x1e0 - .Ldebug_info0 /* DW_AT_abstract_origin */
|
|
.4byte .LFB4 /* DW_AT_low_pc */
|
|
.4byte .LBE6-.LFB4 /* DW_AT_high_pc */
|
|
.byte 0x1 /* DW_AT_call_file (p.adb) */
|
|
.byte 0x14 /* DW_AT_call_line */
|
|
.byte 0 /* end of children of DIE 0x247 */
|
|
.byte 0 /* end of children of DIE 0x225 */
|
|
.byte 0 /* end of children of DIE 0x1e0 */
|
|
.S0x374:
|
|
.uleb128 0x23 /* (DIE (0x382) DW_TAG_inlined_subroutine) */
|
|
.4byte .S0x1e0 - .Ldebug_info0 /* DW_AT_abstract_origin */
|
|
.4byte .LFB4 /* DW_AT_low_pc */
|
|
.4byte .LBE6-.LFB4 /* DW_AT_high_pc */
|
|
.byte 0x1 /* DW_AT_call_file (p.adb) */
|
|
.byte 0x1d /* DW_AT_call_line */
|
|
.byte 0 /* end of children of DIE 0x382 */
|
|
.byte 0 /* end of children of DIE 0x1b4 */
|
|
.S0x4fc:
|
|
.uleb128 0x28 /* (DIE (0x52e) DW_TAG_subprogram) */
|
|
/* DW_AT_external */
|
|
.ascii "__gnat_rcheck_PE_Explicit_Raise\0" /* DW_AT_name */
|
|
/* DW_AT_artificial */
|
|
/* DW_AT_declaration */
|
|
.byte 0 /* end of children of DIE 0x52e */
|
|
.byte 0 /* end of children of DIE 0xb */
|
|
.Ledebug_info0:
|
|
|
|
.section .debug_abbrev
|
|
.Ldebug_abbrev0:
|
|
.uleb128 0x1 /* (abbrev code) */
|
|
.uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x25 /* (DW_AT_producer) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x13 /* (DW_AT_language) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x3 /* (DW_AT_name) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x1b /* (DW_AT_comp_dir) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x11 /* (DW_AT_low_pc) */
|
|
.uleb128 0x1 /* (DW_FORM_addr) */
|
|
.uleb128 0x12 /* (DW_AT_high_pc) */
|
|
.uleb128 0x6 /* (DW_FORM_data4) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x8 /* (abbrev code) */
|
|
.uleb128 0x24 /* (TAG: DW_TAG_base_type) */
|
|
.byte 0 /* DW_children_no */
|
|
.uleb128 0xb /* (DW_AT_byte_size) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x3e /* (DW_AT_encoding) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x3 /* (DW_AT_name) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x13 /* (abbrev code) */
|
|
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x3f /* (DW_AT_external) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.uleb128 0x3 /* (DW_AT_name) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x3a /* (DW_AT_decl_file) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x3b /* (DW_AT_decl_line) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x11 /* (DW_AT_low_pc) */
|
|
.uleb128 0x1 /* (DW_FORM_addr) */
|
|
.uleb128 0x12 /* (DW_AT_high_pc) */
|
|
.uleb128 0x6 /* (DW_FORM_data4) */
|
|
.uleb128 0x40 /* (DW_AT_frame_base) */
|
|
.uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
.uleb128 0x2117 /* (DW_AT_GNU_all_call_sites) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x15 /* (abbrev code) */
|
|
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x3 /* (DW_AT_name) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x3a /* (DW_AT_decl_file) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x3b /* (DW_AT_decl_line) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x20 /* (DW_AT_inline) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x18 /* (abbrev code) */
|
|
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
.uleb128 0x13 /* (DW_FORM_ref4) */
|
|
.uleb128 0x11 /* (DW_AT_low_pc) */
|
|
.uleb128 0x1 /* (DW_FORM_addr) */
|
|
.uleb128 0x12 /* (DW_AT_high_pc) */
|
|
.uleb128 0x6 /* (DW_FORM_data4) */
|
|
.uleb128 0x40 /* (DW_AT_frame_base) */
|
|
.uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
.uleb128 0x48 /* (DW_AT_static_link) */
|
|
.uleb128 0x18 /* (DW_FORM_exprloc) */
|
|
.uleb128 0x2117 /* (DW_AT_GNU_all_call_sites) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x1a /* (abbrev code) */
|
|
.uleb128 0x1d /* (TAG: DW_TAG_inlined_subroutine) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
.uleb128 0x13 /* (DW_FORM_ref4) */
|
|
.uleb128 0x11 /* (DW_AT_low_pc) */
|
|
.uleb128 0x1 /* (DW_FORM_addr) */
|
|
.uleb128 0x12 /* (DW_AT_high_pc) */
|
|
.uleb128 0x6 /* (DW_FORM_data4) */
|
|
.uleb128 0x58 /* (DW_AT_call_file) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x59 /* (DW_AT_call_line) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x23 /* (abbrev code) */
|
|
.uleb128 0x1d /* (TAG: DW_TAG_inlined_subroutine) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x31 /* (DW_AT_abstract_origin) */
|
|
.uleb128 0x13 /* (DW_FORM_ref4) */
|
|
.uleb128 0x11 /* (DW_AT_low_pc) */
|
|
.uleb128 0x1 /* (DW_FORM_addr) */
|
|
.uleb128 0x12 /* (DW_AT_high_pc) */
|
|
.uleb128 0x6 /* (DW_FORM_data4) */
|
|
.uleb128 0x58 /* (DW_AT_call_file) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.uleb128 0x59 /* (DW_AT_call_line) */
|
|
.uleb128 0xb /* (DW_FORM_data1) */
|
|
.byte 0
|
|
.byte 0
|
|
.uleb128 0x28 /* (abbrev code) */
|
|
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
|
|
.byte 0x1 /* DW_children_yes */
|
|
.uleb128 0x3f /* (DW_AT_external) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.uleb128 0x3 /* (DW_AT_name) */
|
|
.uleb128 0x8 /* (DW_FORM_string) */
|
|
.uleb128 0x34 /* (DW_AT_artificial) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.uleb128 0x3c /* (DW_AT_declaration) */
|
|
.uleb128 0x19 /* (DW_FORM_flag_present) */
|
|
.byte 0
|
|
.byte 0
|
|
.byte 0
|
|
.byte 0
|
|
.byte 0
|
|
|
|
.section .debug_line
|
|
.Lline1_begin:
|
|
.byte 0
|
|
|