123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380 |
- /* Copyright 2012-2022 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/>. */
- /* Testcase to exercise the code path in bug 13961.
- Compiled from:
- class foo
- {
- public:
- int bar;
- };
- foo baz;
- int
- main ()
- {
- return 0;
- }
- And then manually edited to insert the necessary DW_AT_specification
- entries to trigger the desired code path.
- There's no real need to make this architecture-specific, so it has been
- further hand-edited to support that.
- */
- #define CONCAT1(a, b) CONCAT2(a, b)
- #define CONCAT2(a, b) a ## b
- #ifdef SYMBOL_PREFIX
- # define SYMBOL(str) CONCAT1(SYMBOL_PREFIX, str)
- #else
- # define SYMBOL(str) str
- #endif
- .file "pr13961.cc"
- .globl baz
- .data /* Previously this used .bss, but it's not portable. */
- .align 4
- .type baz, %object
- .size baz, 4
- baz:
- #if 0
- /* This is disabled because when it was accidentally left out it
- caused a segv when used with .gdb_index. */
- .file 1 "foo.c"
- .loc 1 12 0
- #endif
- .zero 4
- .text
- .Ltext0:
- .globl SYMBOL(main)
- .type SYMBOL(main), %function
- SYMBOL(main):
- .LFB0:
- .4byte 0
- .LFE0:
- .size SYMBOL(main), .-SYMBOL(main)
- .Letext0:
- .section .debug_types,"",%progbits
- .Ldebug_types0:
- .4byte .Ltu_end - .Ltu_start /* Length of Compilation Unit Info */
- .Ltu_start:
- .2byte 0x4 /* DWARF version number */
- .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
- .byte 0x4 /* Pointer Size (in bytes) */
- .byte 0x19 /* Type Signature */
- .byte 0x8b
- .byte 0x7e
- .byte 0xac
- .byte 0xce
- .byte 0xf1
- .byte 0x22
- .byte 0x90
- .4byte .Ltu_class_type - .Ldebug_types0 /* Offset to Type DIE */
- .uleb128 0x1 /* DW_TAG_type_unit */
- .byte 0x4 /* DW_AT_language */
- .byte 0x73 /* DW_AT_GNU_odr_signature */
- .byte 0xea
- .byte 0x85
- .byte 0x23
- .byte 0x75
- .byte 0x8a
- .byte 0x7e
- .byte 0x87
- .4byte .Ldebug_line0 /* DW_AT_stmt_list */
- /* Manually inserted to have a DW_AT_specification refering to
- something and appearing ahead of it. */
- .uleb128 0x8 /* DW_TAG_class_type */
- .4byte .Ltu_class_type - .Ldebug_types0
- /* End of manual insertion */
- .Ltu_class_type:
- .uleb128 0x2 /* (DW_TAG_class_type) */
- .ascii "foo\0" /* DW_AT_name */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0x1 /* DW_AT_decl_line */
- .4byte .Ltu_base_type - .Ldebug_types0 /* DW_AT_sibling */
- .uleb128 0x3 /* (DW_TAG_member) */
- .ascii "bar\0" /* DW_AT_name */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0x4 /* DW_AT_decl_line */
- .4byte .Ltu_base_type - .Ldebug_types0 /* DW_AT_type */
- .byte 0 /* DW_AT_data_member_location */
- .byte 0x1 /* DW_AT_accessibility */
- .byte 0 /* end of children */
- .Ltu_base_type:
- .uleb128 0x4 /* DW_TAG_base_type */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x5 /* DW_AT_encoding */
- .ascii "int\0" /* DW_AT_name */
- .byte 0 /* end of children */
- .Ltu_end:
- .section .debug_info,"",%progbits
- .Ldebug_info0:
- .4byte .Lcu_end - .Lcu_start /* Length of Compilation Unit Info */
- .Lcu_start:
- .2byte 0x4 /* DWARF version number */
- .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
- .byte 0x4 /* Pointer Size (in bytes) */
- .uleb128 0x5 /* (DW_TAG_compile_unit) */
- .4byte .LASF0 /* DW_AT_producer: "GNU C++ 4.6.3 20120306" */
- .byte 0x4 /* DW_AT_language */
- .4byte .LASF1 /* DW_AT_name: "pr13961.cc" */
- .4byte .LASF2 /* DW_AT_comp_dir: "." */
- .4byte .Ltext0 /* DW_AT_low_pc */
- .4byte .Letext0 /* DW_AT_high_pc */
- .4byte .Ldebug_line0 /* DW_AT_stmt_list */
- .Lint_base_type:
- .uleb128 0x4 /* DW_TAG_base_type */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x5 /* DW_AT_encoding */
- .ascii "int\0" /* DW_AT_name */
- .uleb128 0x6 /* DW_TAG_subprogram */
- /* DW_AT_external */
- .4byte .LASF3 /* DW_AT_name: "main" */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0xa /* DW_AT_decl_line */
- .4byte .Lint_base_type - .Ldebug_info0 /* DW_AT_type */
- .4byte .LFB0 /* DW_AT_low_pc */
- .4byte .LFE0 /* DW_AT_high_pc */
- .uleb128 0x1 /* DW_AT_frame_base */
- .byte 0x9c /* DW_OP_call_frame_cfa */
- /* DW_AT_GNU_all_call_sites */
- .uleb128 0x7 /* DW_TAG_variable */
- .ascii "baz\0" /* DW_AT_name */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0x7 /* DW_AT_decl_line */
- .byte 0x19 /* DW_AT_type */
- .byte 0x8b
- .byte 0x7e
- .byte 0xac
- .byte 0xce
- .byte 0xf1
- .byte 0x22
- .byte 0x90
- /* DW_AT_external */
- .uleb128 0x5 /* DW_AT_location */
- .byte 0x3 /* DW_OP_addr */
- .4byte baz
- /* Manually inserted to have a DW_AT_specification refering to
- something and appearing ahead of it. */
- .uleb128 0x8 /* DW_TAG_class_type */
- .4byte .Lcu_class_type - .Ldebug_info0 /* DW_AT_specification */
- .Lcu_int_type:
- .uleb128 0x4 /* DW_TAG_base_type */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x5 /* DW_AT_encoding */
- .ascii "int\0" /* DW_AT_name */
- .Lcu_class_type:
- .uleb128 0x2 /* DW_TAG_class_type */
- .ascii "foo2\0" /* DW_AT_name */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0x1 /* DW_AT_decl_line */
- .4byte .Lcu_second_int_type - .Ldebug_info0 /* DW_AT_sibling */
- .uleb128 0x3 /* DW_TAG_member */
- .ascii "bar\0" /* DW_AT_name */
- .byte 0x1 /* DW_AT_decl_file (pr13961.cc) */
- .byte 0x4 /* DW_AT_decl_line */
- .4byte .Lcu_second_int_type - .Ldebug_info0 /* DW_AT_type */
- .byte 0 /* DW_AT_data_member_location */
- .byte 0x1 /* DW_AT_accessibility */
- .byte 0 /* end of children */
- .Lcu_second_int_type:
- .uleb128 0x4 /* DW_TAG_base_type */
- .byte 0x4 /* DW_AT_byte_size */
- .byte 0x5 /* DW_AT_encoding */
- .ascii "int\0" /* DW_AT_name */
- /* End of manual insertion */
- .byte 0 /* end of children */
- .Lcu_end:
- .section .debug_abbrev,"",%progbits
- .Ldebug_abbrev0:
- .uleb128 0x1 /* (abbrev code) */
- .uleb128 0x41 /* (TAG: DW_TAG_type_unit) */
- .byte 0x1 /* DW_children_yes */
- .uleb128 0x13 /* (DW_AT_language) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x210f /* (DW_AT_GNU_odr_signature) */
- .uleb128 0x7 /* (DW_FORM_data8) */
- .uleb128 0x10 /* (DW_AT_stmt_list) */
- .uleb128 0x17 /* (DW_FORM_sec_offset) */
- .byte 0
- .byte 0
- .uleb128 0x2 /* (abbrev code) */
- .uleb128 0x2 /* (TAG: DW_TAG_class_type) */
- .byte 0x1 /* DW_children_yes */
- .uleb128 0x3 /* (DW_AT_name) */
- .uleb128 0x8 /* (DW_FORM_string) */
- .uleb128 0xb /* (DW_AT_byte_size) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x3a /* (DW_AT_decl_file) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x3b /* (DW_AT_decl_line) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x1 /* (DW_AT_sibling) */
- .uleb128 0x13 /* (DW_FORM_ref4) */
- .byte 0
- .byte 0
- .uleb128 0x3 /* (abbrev code) */
- .uleb128 0xd /* (TAG: DW_TAG_member) */
- .byte 0 /* DW_children_no */
- .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 0x49 /* (DW_AT_type) */
- .uleb128 0x13 /* (DW_FORM_ref4) */
- .uleb128 0x38 /* (DW_AT_data_member_location) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x32 /* (DW_AT_accessibility) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .byte 0
- .byte 0
- .uleb128 0x4 /* (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 0x5 /* (abbrev code) */
- .uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */
- .byte 0x1 /* DW_children_yes */
- .uleb128 0x25 /* (DW_AT_producer) */
- .uleb128 0xe /* (DW_FORM_strp) */
- .uleb128 0x13 /* (DW_AT_language) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x3 /* (DW_AT_name) */
- .uleb128 0xe /* (DW_FORM_strp) */
- .uleb128 0x1b /* (DW_AT_comp_dir) */
- .uleb128 0xe /* (DW_FORM_strp) */
- .uleb128 0x11 /* (DW_AT_low_pc) */
- .uleb128 0x1 /* (DW_FORM_addr) */
- .uleb128 0x12 /* (DW_AT_high_pc) */
- .uleb128 0x1 /* (DW_FORM_addr) */
- .uleb128 0x10 /* (DW_AT_stmt_list) */
- .uleb128 0x17 /* (DW_FORM_sec_offset) */
- .byte 0
- .byte 0
- .uleb128 0x6 /* (abbrev code) */
- .uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
- .byte 0 /* DW_children_no */
- .uleb128 0x3f /* (DW_AT_external) */
- .uleb128 0x19 /* (DW_FORM_flag_present) */
- .uleb128 0x3 /* (DW_AT_name) */
- .uleb128 0xe /* (DW_FORM_strp) */
- .uleb128 0x3a /* (DW_AT_decl_file) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x3b /* (DW_AT_decl_line) */
- .uleb128 0xb /* (DW_FORM_data1) */
- .uleb128 0x49 /* (DW_AT_type) */
- .uleb128 0x13 /* (DW_FORM_ref4) */
- .uleb128 0x11 /* (DW_AT_low_pc) */
- .uleb128 0x1 /* (DW_FORM_addr) */
- .uleb128 0x12 /* (DW_AT_high_pc) */
- .uleb128 0x1 /* (DW_FORM_addr) */
- .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 0x7 /* (abbrev code) */
- .uleb128 0x34 /* (TAG: DW_TAG_variable) */
- .byte 0 /* DW_children_no */
- .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 0x49 /* (DW_AT_type) */
- .uleb128 0x20 /* (DW_FORM_ref_sig8) */
- .uleb128 0x3f /* (DW_AT_external) */
- .uleb128 0x19 /* (DW_FORM_flag_present) */
- .uleb128 0x2 /* (DW_AT_location) */
- .uleb128 0x18 /* (DW_FORM_exprloc) */
- .byte 0
- .byte 0
- /* Manually inserted. */
- .uleb128 0x8 /* abbrev code */
- .uleb128 0x2 /* DW_TAG_class_type */
- .byte 0x0 /* DW_has_children_no */
- .uleb128 0x47 /* DW_AT_specification */
- .uleb128 0x13 /* DW_FORM_ref4 */
- .byte 0x0 /* Terminator */
- .byte 0x0 /* Terminator */
- /* End of manual insertion. */
- .byte 0
- .section .debug_aranges,"",%progbits
- .4byte 0x1c /* Length of Address Ranges Info */
- .2byte 0x2 /* DWARF Version */
- .4byte .Ldebug_info0 /* Offset of Compilation Unit Info */
- .byte 0x4 /* Size of Address */
- .byte 0 /* Size of Segment Descriptor */
- .2byte 0 /* Pad to 8 byte boundary */
- .2byte 0
- .4byte .Ltext0 /* Address */
- .4byte .Letext0-.Ltext0 /* Length */
- .4byte 0
- .4byte 0
- .section .debug_line,"",%progbits
- .Ldebug_line0:
- .section .debug_str,"MS",%progbits,1
- .LASF0:
- .string "GNU C++ 4.6.3 20120306"
- .LASF2:
- .string "."
- .LASF1:
- .string "pr13961.cc"
- .LASF3:
- .string "main"
|