| /* Copyright 2012-2021 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/>. */ |
| |
| /* Testcase to exercise the code path in bug 13961 for Fission. |
| http://gcc.gnu.org/wiki/DebugFission |
| |
| 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 "fission-reread.cc" |
| |
| .globl SYMBOL(baz) |
| .data /* Previously this used .bss, but it's not portable. */ |
| .align 4 |
| .type SYMBOL(baz), %object |
| .size SYMBOL(baz), 4 |
| SYMBOL(baz): |
| .zero 4 |
| |
| .text |
| .Ltext0: |
| .globl SYMBOL(main) |
| .type SYMBOL(main), %function |
| SYMBOL(main): |
| .LFB0: |
| .file 1 "fission-reread.cc" |
| .loc 1 11 0 |
| .4byte 0 |
| .LFE0: |
| .size SYMBOL(main), .-SYMBOL(main) |
| .Letext0: |
| |
| .section .debug_types.dwo |
| .Ltu_start_dwo: |
| .4byte .Ltu_end_dwo - .Ltu_start_dwo - 4 /* Length of Compilation Unit Info */ |
| .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 - .Ltu_start_dwo /* Offset to Type DIE */ |
| .uleb128 0x1 /* (DIE (0x17) 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 .Lskeleton_debug_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 - .Ltu_start_dwo |
| /* End of manual insertion */ |
| |
| .Ltu_class_type: |
| .uleb128 0x2 /* (DIE (0x25) DW_TAG_class_type) */ |
| .ascii "foo\0" /* DW_AT_name */ |
| .byte 0x4 /* DW_AT_byte_size */ |
| .byte 0x1 /* DW_AT_decl_file (fission-reread.cc) */ |
| .byte 0x1 /* DW_AT_decl_line */ |
| .4byte .Ltu_int - .Ltu_start_dwo /* DW_AT_sibling */ |
| .uleb128 0x3 /* (DIE (0x31) DW_TAG_member) */ |
| .ascii "bar\0" /* DW_AT_name */ |
| .byte 0x1 /* DW_AT_decl_file (fission-reread.cc) */ |
| .byte 0x4 /* DW_AT_decl_line */ |
| .4byte .Ltu_int - .Ltu_start_dwo /* DW_AT_type */ |
| .byte 0 /* DW_AT_data_member_location */ |
| .byte 0x1 /* DW_AT_accessibility */ |
| .byte 0 /* end of children of DIE 0x25 */ |
| .Ltu_int: |
| .uleb128 0x4 /* (DIE (0x3f) 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 of DIE 0x17 */ |
| .Ltu_end_dwo: |
| |
| .section .debug_types |
| .Ltu_start: |
| .4byte .Ltu_end - .Ltu_start - 4 /* Length of Type Unit Info */ |
| .2byte 0x4 /* DWARF version number */ |
| .4byte .Lskeleton_debug_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 0 /* Offset to Type DIE */ |
| .uleb128 0x2 /* (DIE (0) DW_TAG_type_unit) */ |
| .ascii "/tmp/src/gdb/testsuite\0" /* DW_AT_comp_dir */ |
| .asciz DWO /* DW_AT_GNU_dwo_name */ |
| .4byte .Ldebug_pubnames0 /* DW_AT_GNU_pubnames */ |
| .4byte .Ldebug_pubtypes0 /* DW_AT_GNU_pubtypes */ |
| .4byte .Ldebug_addr0 /* DW_AT_GNU_addr_base */ |
| .Ltu_end: |
| |
| .section .debug_info.dwo |
| .Lcu_start_dwo: |
| .4byte .Lcu_end_dwo - .Lcu_start_dwo - 4 /* Length of Compilation Unit Info */ |
| .2byte 0x4 /* DWARF version number */ |
| .4byte .Ldebug_abbrev0 /* Offset Into Abbrev. Section */ |
| .byte 0x4 /* Pointer Size (in bytes) */ |
| .uleb128 0x5 /* (DIE (0xb) DW_TAG_compile_unit) */ |
| .ascii "GNU C++ 4.6.x-fission\0" /* DW_AT_producer */ |
| .byte 0x4 /* DW_AT_language */ |
| .ascii "gdb.dwarf2/fission-reread.cc\0" /* DW_AT_name */ |
| .ascii "/tmp/src/gdb/testsuite\0" /* DW_AT_comp_dir */ |
| .byte 1 /* DW_AT_GNU_dwo_id */ |
| .byte 2 |
| .byte 3 |
| .byte 4 |
| .byte 5 |
| .byte 6 |
| .byte 7 |
| .byte 8 |
| .Lcu_int: |
| .uleb128 0x4 /* (DIE (0x7f) DW_TAG_base_type) */ |
| .byte 0x4 /* DW_AT_byte_size */ |
| .byte 0x5 /* DW_AT_encoding */ |
| .ascii "int\0" /* DW_AT_name */ |
| .uleb128 0x6 /* (DIE (0x86) DW_TAG_subprogram) */ |
| /* DW_AT_external */ |
| .ascii "main\0" /* DW_AT_name */ |
| .byte 0x1 /* DW_AT_decl_file (fission-reread.cc) */ |
| .byte 0xa /* DW_AT_decl_line */ |
| .4byte .Lcu_int - .Lcu_start_dwo /* DW_AT_type */ |
| .uleb128 0 /* DW_AT_low_pc */ |
| .4byte .LFE0-.LFB0 /* DW_AT_high_pc */ |
| .uleb128 0x1 /* DW_AT_frame_base */ |
| .byte 0x9c /* DW_OP_call_frame_cfa */ |
| .uleb128 0x7 /* (DIE (0x9d) DW_TAG_variable) */ |
| .ascii "baz\0" /* DW_AT_name */ |
| .byte 0x1 /* DW_AT_decl_file (fission-reread.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 0x2 /* DW_AT_location */ |
| .byte 0xfb /* DW_OP_GNU_addr_index */ |
| .uleb128 0x1 /* (index into .debug_addr) */ |
| .byte 0 /* end of children of DIE 0xb */ |
| .Lcu_end_dwo: |
| |
| .section .debug_info |
| .Lskeleton_debug_info0: |
| .Lcu_start: |
| .4byte .Lcu_end - .Lcu_start - 4 /* Length of Compilation Unit Info */ |
| .2byte 0x4 /* DWARF version number */ |
| .4byte .Lskeleton_debug_abbrev0 /* Offset Into Abbrev. Section */ |
| .byte 0x4 /* Pointer Size (in bytes) */ |
| .uleb128 0x1 /* (DIE (0) DW_TAG_compile_unit) */ |
| .4byte .Ltext0 /* DW_AT_low_pc */ |
| .4byte .Letext0-.Ltext0 /* DW_AT_high_pc */ |
| .4byte .Ldebug_line0 /* DW_AT_stmt_list */ |
| .ascii "/tmp/src/gdb/testsuite\0" /* DW_AT_comp_dir */ |
| .asciz DWO /* DW_AT_GNU_dwo_name */ |
| .4byte .Ldebug_pubnames0 /* DW_AT_GNU_pubnames */ |
| .4byte .Ldebug_pubtypes0 /* DW_AT_GNU_pubtypes */ |
| .4byte .Ldebug_addr0 /* DW_AT_GNU_addr_base */ |
| .byte 1 /* DW_AT_GNU_dwo_id */ |
| .byte 2 |
| .byte 3 |
| .byte 4 |
| .byte 5 |
| .byte 6 |
| .byte 7 |
| .byte 8 |
| .Lcu_end: |
| |
| .section .debug_abbrev |
| .Lskeleton_debug_abbrev0: |
| .uleb128 0x1 /* (abbrev code) */ |
| .uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */ |
| .byte 0 /* DW_children_no */ |
| .uleb128 0x11 /* (DW_AT_low_pc) */ |
| .uleb128 0x1 /* (DW_FORM_addr) */ |
| .uleb128 0x12 /* (DW_AT_high_pc) */ |
| .uleb128 0x6 /* (DW_FORM_data4) */ |
| .uleb128 0x10 /* (DW_AT_stmt_list) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x1b /* (DW_AT_comp_dir) */ |
| .uleb128 0x8 /* (DW_FORM_string) */ |
| .uleb128 0x2130 /* (DW_AT_GNU_dwo_name) */ |
| .uleb128 0x8 /* (DW_FORM_string) */ |
| .uleb128 0x2134 /* (DW_AT_GNU_pubnames) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x2135 /* (DW_AT_GNU_pubtypes) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x2133 /* (DW_AT_GNU_addr_base) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x2131 /* (DW_AT_GNU_dwo_id) */ |
| .uleb128 0x7 /* (DW_FORM_data8) */ |
| .byte 0 |
| .byte 0 |
| .uleb128 0x2 /* (abbrev code) */ |
| .uleb128 0x41 /* (TAG: DW_TAG_type_unit) */ |
| .byte 0 /* DW_children_no */ |
| .uleb128 0x1b /* (DW_AT_comp_dir) */ |
| .uleb128 0x8 /* (DW_FORM_string) */ |
| .uleb128 0x2130 /* (DW_AT_GNU_dwo_name) */ |
| .uleb128 0x8 /* (DW_FORM_string) */ |
| .uleb128 0x2134 /* (DW_AT_GNU_pubnames) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x2135 /* (DW_AT_GNU_pubtypes) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .uleb128 0x2133 /* (DW_AT_GNU_addr_base) */ |
| .uleb128 0x17 /* (DW_FORM_sec_offset) */ |
| .byte 0 |
| .byte 0 |
| .byte 0 /* end of skeleton .debug_abbrev */ |
| .section .debug_abbrev.dwo |
| .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 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 0x2131 /* (DW_AT_GNU_dwo_id) */ |
| .uleb128 0x7 /* (DW_FORM_data8) */ |
| .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 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 0x11 /* (DW_AT_low_pc) */ |
| .uleb128 0x1f01 /* (DW_FORM_GNU_addr_index) */ |
| .uleb128 0x12 /* (DW_AT_high_pc) */ |
| .uleb128 0x6 /* (DW_FORM_data4) */ |
| .uleb128 0x40 /* (DW_AT_frame_base) */ |
| .uleb128 0x18 /* (DW_FORM_exprloc) */ |
| .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_pubnames |
| .Ldebug_pubnames0: |
| .4byte 0x1f /* Length of Public Names Info */ |
| .2byte 0x2 /* DWARF Version */ |
| .4byte .Lskeleton_debug_info0 /* Offset of Compilation Unit Info */ |
| .4byte 0xb0 /* Compilation Unit Length */ |
| .4byte 0x86 /* DIE offset */ |
| .ascii "main\0" /* external name */ |
| .4byte 0x9d /* DIE offset */ |
| .ascii "baz\0" /* external name */ |
| .4byte 0 |
| .section .debug_pubtypes |
| .Ldebug_pubtypes0: |
| .4byte 0x1e /* Length of Public Type Names Info */ |
| .2byte 0x2 /* DWARF Version */ |
| .4byte .Lskeleton_debug_info0 /* Offset of Compilation Unit Info */ |
| .4byte 0xb0 /* Compilation Unit Length */ |
| .4byte 0x7f /* DIE offset */ |
| .ascii "int\0" /* external name */ |
| .4byte 0x25 /* DIE offset */ |
| .ascii "foo\0" /* external name */ |
| .4byte 0 |
| .section .debug_aranges |
| .4byte 0x1c /* Length of Address Ranges Info */ |
| .2byte 0x2 /* DWARF Version */ |
| .4byte .Lskeleton_debug_info0 /* Offset of Compilation Unit Info */ |
| .byte 0x4 /* Size of Address */ |
| .byte 0 /* Size of Segment Descriptor */ |
| .2byte 0 /* Pad to 16 byte boundary */ |
| .2byte 0 |
| .4byte .Ltext0 /* Address */ |
| .4byte .Letext0-.Ltext0 /* Length */ |
| .4byte 0 |
| .4byte 0 |
| .section .debug_line |
| .Ldebug_line0: |
| .section .debug_line.dwo |
| .Lskeleton_debug_line0: |
| .4byte .LELT0-.LSLT0 /* Length of Source Line Info */ |
| .LSLT0: |
| .2byte 0x4 /* DWARF Version */ |
| .4byte .LELTP0-.LASLTP0 /* Prolog Length */ |
| .LASLTP0: |
| .byte 0x1 /* Minimum Instruction Length */ |
| .byte 0x1 /* Maximum Operations Per Instruction */ |
| .byte 0x1 /* Default is_stmt_start flag */ |
| .byte 0xf6 /* Line Base Value (Special Opcodes) */ |
| .byte 0xf5 /* Line Range Value (Special Opcodes) */ |
| .byte 0xa /* Special Opcode Base */ |
| .byte 0 /* opcode: 0x1 has 0 args */ |
| .byte 0x1 /* opcode: 0x2 has 1 args */ |
| .byte 0x1 /* opcode: 0x3 has 1 args */ |
| .byte 0x1 /* opcode: 0x4 has 1 args */ |
| .byte 0x1 /* opcode: 0x5 has 1 args */ |
| .byte 0 /* opcode: 0x6 has 0 args */ |
| .byte 0 /* opcode: 0x7 has 0 args */ |
| .byte 0 /* opcode: 0x8 has 0 args */ |
| .byte 0x1 /* opcode: 0x9 has 1 args */ |
| .byte 0 /* End directory table */ |
| .ascii "fission-reread.cc\0" /* File Entry: 0x1 */ |
| .uleb128 0 |
| .uleb128 0 |
| .uleb128 0 |
| .byte 0 /* End file name table */ |
| .LELTP0: |
| .LELT0: |
| .section .debug_addr |
| .Ldebug_addr0: |
| .4byte .LFB0 /* DW_AT_low_pc */ |
| .4byte SYMBOL(baz) /* DW_AT_location */ |
