diff options
Diffstat (limited to 'gdb/testsuite/gdb.dwarf2/fission-reread.S')
| -rw-r--r-- | gdb/testsuite/gdb.dwarf2/fission-reread.S | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.dwarf2/fission-reread.S b/gdb/testsuite/gdb.dwarf2/fission-reread.S new file mode 100644 index 0000000..1db363f --- /dev/null +++ b/gdb/testsuite/gdb.dwarf2/fission-reread.S @@ -0,0 +1,459 @@ +/* Copyright 2012 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. +*/ + + .file "fission-reread.cc" + + .globl baz + .bss + .align 4 + .type baz, @object + .size baz, 4 +baz: + .zero 4 + + .text +.Ltext0: + .globl main + .type main, @function +main: +.LFB0: + .file 1 "fission-reread.cc" + .loc 1 11 0 + .4byte 0 +.LFE0: + .size main, .-main +.Letext0: + + .section .debug_types.dwo,"G",@progbits,wt.198b7eaccef12290,comdat +.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 0x8 # 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 # 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 # 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,"G",@progbits,wt.198b7eaccef12290,comdat +.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 0x8 # 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/gdb.dwarf2\0" # DW_AT_comp_dir + # Normally dwo_name would be "fission-reread.dwo". + # Simplification: Leave the DWO contents in the executable. + .ascii "fission-reread\0" # 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,"",@progbits +.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 0x8 # 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 "fission-reread.cc\0" # DW_AT_name + .ascii "/tmp/src/gdb/testsuite/gdb.dwarf2\0" # DW_AT_comp_dir + .byte 0 # DW_AT_GNU_dwo_id + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 +.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 # DW_AT_type + .uleb128 0 # DW_AT_low_pc + .8byte .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,"",@progbits +.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 0x8 # Pointer Size (in bytes) + .uleb128 0x1 # (DIE (0) DW_TAG_compile_unit) + .8byte .Ltext0 # DW_AT_low_pc + .8byte .Letext0-.Ltext0 # DW_AT_high_pc + .4byte .Ldebug_line0 # DW_AT_stmt_list + .ascii "/tmp/src/gdb/testsuite/gdb.dwarf2\0" # DW_AT_comp_dir + # Normally dwo_name would be "fission-reread.dwo". + # Simplification: Leave the DWO contents in the executable. + .ascii "fission-reread\0" # 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 0 # DW_AT_GNU_dwo_id + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 + .byte 0 +.Lcu_end: + + .section .debug_abbrev,"",@progbits +.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 0x7 # (DW_FORM_data8) + .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,"",@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 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 0x7 # (DW_FORM_data8) + .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,"",@progbits +.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,"",@progbits +.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,"",@progbits + .4byte 0x2c # Length of Address Ranges Info + .2byte 0x2 # DWARF Version + .4byte .Lskeleton_debug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .2byte 0 # Pad to 16 byte boundary + .2byte 0 + .8byte .Ltext0 # Address + .8byte .Letext0-.Ltext0 # Length + .8byte 0 + .8byte 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_line.dwo,"",@progbits +.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,"",@progbits +.Ldebug_addr0: + .8byte .LFB0 # DW_AT_low_pc + .8byte baz # DW_AT_location + + .section .note.GNU-stack,"",@progbits |