From: H.J. Lu Date: Thu, 20 Mar 2025 20:16:34 +0000 (-0700) Subject: dwarf: Dump .debug_loclists only for DWARF-5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=82bdc396a40e64ea17acdba072bafbb3f620518f;p=thirdparty%2Fbinutils-gdb.git dwarf: Dump .debug_loclists only for DWARF-5 .debug_loclists section is loaded into debug_information as DWARF-5 debug info and .debug_loc section is loaded into debug_information as pre-DWARF-5 debug info. When dumping .debug_loc section, we should only process pre-DWARF-5 debug info in debug_information. When dumping .debug_loclists section, we should only process DWARF-5 info in debug_information. binutils/ PR binutils/32809 * dwarf.c (display_debug_loc): Dump .debug_loclists only for DWARF-5. ld/ PR binutils/32809 * testsuite/ld-x86-64/dwarf4.s: New file. * testsuite/ld-x86-64/dwarf5a.s: Likewise. * testsuite/ld-x86-64/dwarf5b.s: Likewise. * testsuite/ld-x86-64/pr32809.d: Likewise. * testsuite/ld-x86-64/x86-64.exp: Run pr32809. Signed-off-by: H.J. Lu --- diff --git a/binutils/dwarf.c b/binutils/dwarf.c index 08bb623e405..fb09b866798 100644 --- a/binutils/dwarf.c +++ b/binutils/dwarf.c @@ -7324,7 +7324,7 @@ display_debug_loc (struct dwarf_section *section, void *file) unsigned int *array = NULL; const char *suffix = strrchr (section->name, '.'); bool is_dwo = false; - int is_loclists = strstr (section->name, "debug_loclists") != NULL; + bool is_loclists = strstr (section->name, "debug_loclists") != NULL; uint64_t next_header_offset = 0; if (suffix && strcmp (suffix, ".dwo") == 0) @@ -7450,6 +7450,16 @@ display_debug_loc (struct dwarf_section *section, void *file) debug_info *debug_info_p = debug_information + i; uint32_t offset_count; + /* .debug_loclists section is loaded into debug_information as + DWARF-5 debug info and .debug_loc section is loaded into + debug_information as pre-DWARF-5 debug info. When dumping + .debug_loc section, we should only process pre-DWARF-5 debug + info in debug_information. When dumping .debug_loclists + section, we should only process DWARF-5 info in + debug_information. */ + if ((debug_info_p->dwarf_version >= 5) != is_loclists) + continue; + if (!locs_sorted) { for (k = 0; k < debug_info_p->num_loc_offsets; k++) @@ -7462,7 +7472,7 @@ display_debug_loc (struct dwarf_section *section, void *file) /* .debug_loclists has a per-unit header. Update start if we are detecting it. */ - if (debug_info_p->dwarf_version == 5) + if (debug_info_p->dwarf_version >= 5) { j = locs_sorted ? 0 : array [0]; diff --git a/ld/testsuite/ld-x86-64/dwarf4.s b/ld/testsuite/ld-x86-64/dwarf4.s new file mode 100644 index 00000000000..7f1a90dd75f --- /dev/null +++ b/ld/testsuite/ld-x86-64/dwarf4.s @@ -0,0 +1,346 @@ +/* Assembly outputs of + +extern void bar(); + +void foo(int p) { + int local = p; + bar(); + local = 123; + bar(); + local = 456; +} + +compiled by GCC 14.2.1 with -O2 -g -dA -gdwarf-4. */ + + .file "dwarf4.c" + .text +.Ltext0: + .file 1 "dwarf4.c" + .p2align 4 + .globl foo + .type foo, @function +foo: +.LVL0: + # DEBUG p => di +.LFB0: + # dwarf4.c:3:17 + .loc 1 3 17 view -0 + .cfi_startproc +# BLOCK 2, count:1073741824 (estimated locally) seq:0 +# PRED: ENTRY [always] count:1073741824 (estimated locally, freq 1.0000) (FALLTHRU) + # dwarf4.c:4:3 + .loc 1 4 3 view .LVU1 + # DEBUG local => di + # dwarf4.c:5:3 + .loc 1 5 3 view .LVU2 + # dwarf4.c:3:17 + .loc 1 3 17 is_stmt 0 view .LVU3 + subq $8, %rsp + .cfi_def_cfa_offset 16 + # dwarf4.c:5:3 + .loc 1 5 3 view .LVU4 + xorl %eax, %eax + call bar +.LVL1: + # DEBUG local => entry_value#0 + # DEBUG p => entry_value#0 + # dwarf4.c:6:3 + .loc 1 6 3 is_stmt 1 view .LVU5 + # DEBUG local => 0x7b + # dwarf4.c:7:3 + .loc 1 7 3 view .LVU6 + xorl %eax, %eax + # dwarf4.c:9:1 + .loc 1 9 1 is_stmt 0 view .LVU7 + addq $8, %rsp + .cfi_def_cfa_offset 8 +# SUCC: EXIT [always] count:1073741824 (estimated locally, freq 1.0000) (ABNORMAL,SIBCALL) + # dwarf4.c:7:3 + .loc 1 7 3 view .LVU8 + jmp bar +.LVL2: + .cfi_endproc +.LFE0: + .size foo, .-foo +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0x9e # Length of Compilation Unit Info + .value 0x4 # DWARF version number + .long .Ldebug_abbrev0 # Offset Into Abbrev. Section + .byte 0x8 # Pointer Size (in bytes) + .uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit) + .long .LASF0 # DW_AT_producer: "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-4 -O2" + .byte 0xc # DW_AT_language + .long .LASF1 # DW_AT_name: "dwarf4.c" + .long .LASF2 # DW_AT_comp_dir: "." + .quad .Ltext0 # DW_AT_low_pc + .quad .Letext0-.Ltext0 # DW_AT_high_pc + .long .Ldebug_line0 # DW_AT_stmt_list + .uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram) + # DW_AT_external + .ascii "bar\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf4.c) + .byte 0x1 # DW_AT_decl_line + .byte 0xd # DW_AT_decl_column + # DW_AT_declaration + .long 0x3b # DW_AT_sibling + .uleb128 0x3 # (DIE (0x39) DW_TAG_unspecified_parameters) + .byte 0 # end of children of DIE 0x2d + .uleb128 0x4 # (DIE (0x3b) DW_TAG_subprogram) + # DW_AT_external + .ascii "foo\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf4.c) + .byte 0x3 # DW_AT_decl_line + .byte 0x6 # DW_AT_decl_column + # DW_AT_prototyped + .quad .LFB0 # DW_AT_low_pc + .quad .LFE0-.LFB0 # DW_AT_high_pc + .uleb128 0x1 # DW_AT_frame_base + .byte 0x9c # DW_OP_call_frame_cfa + # DW_AT_GNU_all_call_sites + .long 0x9a # DW_AT_sibling + .uleb128 0x5 # (DIE (0x59) DW_TAG_formal_parameter) + .ascii "p\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf4.c) + .byte 0x3 # DW_AT_decl_line + .byte 0xe # DW_AT_decl_column + .long 0x9a # DW_AT_type + .long .LLST0 # DW_AT_location + .long .LVUS0 # DW_AT_GNU_locviews + .uleb128 0x6 # (DIE (0x6b) DW_TAG_variable) + .long .LASF3 # DW_AT_name: "local" + .byte 0x1 # DW_AT_decl_file (dwarf4.c) + .byte 0x4 # DW_AT_decl_line + .byte 0x7 # DW_AT_decl_column + .long 0x9a # DW_AT_type + .long .LLST1 # DW_AT_location + .long .LVUS1 # DW_AT_GNU_locviews + .uleb128 0x7 # (DIE (0x7f) DW_TAG_GNU_call_site) + .quad .LVL1 # DW_AT_low_pc + .long 0x2d # DW_AT_abstract_origin + .uleb128 0x8 # (DIE (0x8c) DW_TAG_GNU_call_site) + .quad .LVL2 # DW_AT_low_pc + # DW_AT_GNU_tail_call + .long 0x2d # DW_AT_abstract_origin + .byte 0 # end of children of DIE 0x3b + .uleb128 0x9 # (DIE (0x9a) 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 0xb + .section .debug_abbrev,"",@progbits +.Ldebug_abbrev0: + .uleb128 0x1 # (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 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 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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x3c # (DW_AT_declaration) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x3 # (abbrev code) + .uleb128 0x18 # (TAG: DW_TAG_unspecified_parameters) + .byte 0 # DW_children_no + .byte 0 + .byte 0 + .uleb128 0x4 # (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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x12 # (DW_AT_high_pc) + .uleb128 0x7 # (DW_FORM_data8) + .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) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x5 # (abbrev code) + .uleb128 0x5 # (TAG: DW_TAG_formal_parameter) + .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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x17 # (DW_FORM_sec_offset) + .uleb128 0x2137 # (DW_AT_GNU_locviews) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x6 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x17 # (DW_FORM_sec_offset) + .uleb128 0x2137 # (DW_AT_GNU_locviews) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x7 # (abbrev code) + .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) + .byte 0 # DW_children_no + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x31 # (DW_AT_abstract_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x8 # (abbrev code) + .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site) + .byte 0 # DW_children_no + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x2115 # (DW_AT_GNU_tail_call) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x31 # (DW_AT_abstract_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x9 # (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 + .byte 0 + .section .debug_loc,"",@progbits +.Ldebug_loc0: +.LVUS0: + .uleb128 0 # View list begin (*.LVUS0) + .uleb128 .LVU5 # View list end (*.LVUS0) + .uleb128 .LVU5 # View list begin (*.LVUS0) + .uleb128 0 # View list end (*.LVUS0) +.LLST0: + .quad .LVL0-.Ltext0 # Location list begin address (*.LLST0) + .quad .LVL1-1-.Ltext0 # Location list end address (*.LLST0) + .value 0x1 # Location expression size + .byte 0x55 # DW_OP_reg5 + .quad .LVL1-1-.Ltext0 # Location list begin address (*.LLST0) + .quad .LFE0-.Ltext0 # Location list end address (*.LLST0) + .value 0x4 # Location expression size + .byte 0xf3 # DW_OP_GNU_entry_value + .uleb128 0x1 + .byte 0x55 # DW_OP_reg5 + .byte 0x9f # DW_OP_stack_value + .quad 0 # Location list terminator begin (*.LLST0) + .quad 0 # Location list terminator end (*.LLST0) +.LVUS1: + .uleb128 .LVU2 # View list begin (*.LVUS1) + .uleb128 .LVU5 # View list end (*.LVUS1) + .uleb128 .LVU5 # View list begin (*.LVUS1) + .uleb128 .LVU6 # View list end (*.LVUS1) + .uleb128 .LVU6 # View list begin (*.LVUS1) + .uleb128 0 # View list end (*.LVUS1) +.LLST1: + .quad .LVL0-.Ltext0 # Location list begin address (*.LLST1) + .quad .LVL1-1-.Ltext0 # Location list end address (*.LLST1) + .value 0x1 # Location expression size + .byte 0x55 # DW_OP_reg5 + .quad .LVL1-1-.Ltext0 # Location list begin address (*.LLST1) + .quad .LVL1-.Ltext0 # Location list end address (*.LLST1) + .value 0x4 # Location expression size + .byte 0xf3 # DW_OP_GNU_entry_value + .uleb128 0x1 + .byte 0x55 # DW_OP_reg5 + .byte 0x9f # DW_OP_stack_value + .quad .LVL1-.Ltext0 # Location list begin address (*.LLST1) + .quad .LFE0-.Ltext0 # Location list end address (*.LLST1) + .value 0x3 # Location expression size + .byte 0x8 # DW_OP_const1u + .byte 0x7b + .byte 0x9f # DW_OP_stack_value + .quad 0 # Location list terminator begin (*.LLST1) + .quad 0 # Location list terminator end (*.LLST1) + .section .debug_aranges,"",@progbits + .long 0x2c # Length of Address Ranges Info + .value 0x2 # DWARF aranges version + .long .Ldebug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .value 0 # Pad to 16 byte boundary + .value 0 + .quad .Ltext0 # Address + .quad .Letext0-.Ltext0 # Length + .quad 0 + .quad 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_str,"MS",@progbits,1 +.LASF0: + .string "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-4 -O2" +.LASF1: + .string "dwarf4.c" +.LASF3: + .string "local" +.LASF2: + .string "." + .ident "GCC: (GNU) 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee]" + .section .note.GNU-stack,"",@progbits diff --git a/ld/testsuite/ld-x86-64/dwarf5a.s b/ld/testsuite/ld-x86-64/dwarf5a.s new file mode 100644 index 00000000000..eefaaf49c56 --- /dev/null +++ b/ld/testsuite/ld-x86-64/dwarf5a.s @@ -0,0 +1,400 @@ +/* Assembly outputs of + +extern void foo(int); + +int global; + +int main() { + int local = global; + foo(1); + local = 123; + foo(2); + local = 456; + return 0; +} + +compiled by GCC 14.2.1 with -O2 -g -dA -gdwarf-5. */ + + .file "dwarf5a.c" + .text +.Ltext0: + .file 0 "." "dwarf5a.c" + .section .text.startup,"ax",@progbits + .p2align 4 + .globl main + .type main, @function +main: +.LFB0: + .file 1 "dwarf5a.c" + # dwarf5a.c:5:12 + .loc 1 5 12 view -0 + .cfi_startproc +# BLOCK 2, count:1073741824 (estimated locally) seq:0 +# PRED: ENTRY [always] count:1073741824 (estimated locally, freq 1.0000) (FALLTHRU) + # dwarf5a.c:6:3 + .loc 1 6 3 view .LVU1 +.LVL0: + # DEBUG local => [`global'] + # dwarf5a.c:7:3 + .loc 1 7 3 view .LVU2 + # dwarf5a.c:5:12 + .loc 1 5 12 is_stmt 0 view .LVU3 + subq $8, %rsp + .cfi_def_cfa_offset 16 + # dwarf5a.c:7:3 + .loc 1 7 3 view .LVU4 + movl $1, %edi + call foo +.LVL1: + # DEBUG local RESET + # dwarf5a.c:8:3 + .loc 1 8 3 is_stmt 1 view .LVU5 + # DEBUG local => 0x7b + # dwarf5a.c:9:3 + .loc 1 9 3 view .LVU6 + movl $2, %edi + call foo +.LVL2: + # dwarf5a.c:10:3 + .loc 1 10 3 view .LVU7 + # DEBUG local => 0x1c8 + # dwarf5a.c:11:3 + .loc 1 11 3 view .LVU8 + # dwarf5a.c:12:1 + .loc 1 12 1 is_stmt 0 view .LVU9 + xorl %eax, %eax + addq $8, %rsp + .cfi_def_cfa_offset 8 +# SUCC: EXIT [always] count:1073741824 (estimated locally, freq 1.0000) + ret + .cfi_endproc +.LFE0: + .size main, .-main + .globl global + .bss + .align 4 + .type global, @object + .size global, 4 +global: + .zero 4 + .text +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0xb3 # Length of Compilation Unit Info + .value 0x5 # DWARF version number + .byte 0x1 # DW_UT_compile + .byte 0x8 # Pointer Size (in bytes) + .long .Ldebug_abbrev0 # Offset Into Abbrev. Section + .uleb128 0x2 # (DIE (0xc) DW_TAG_compile_unit) + .long .LASF4 # DW_AT_producer: "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-5 -O2" + .byte 0x1d # DW_AT_language + .long .LASF0 # DW_AT_name: "dwarf5a.c" + .long .LASF1 # DW_AT_comp_dir: "." + .long .LLRL1 # DW_AT_ranges + .quad 0 # DW_AT_low_pc + .long .Ldebug_line0 # DW_AT_stmt_list + .uleb128 0x3 # (DIE (0x2a) DW_TAG_variable) + .long .LASF2 # DW_AT_name: "global" + .byte 0x1 # DW_AT_decl_file (dwarf5a.c) + .byte 0x3 # DW_AT_decl_line + .byte 0x5 # DW_AT_decl_column + .long 0x40 # DW_AT_type + # DW_AT_external + .uleb128 0x9 # DW_AT_location + .byte 0x3 # DW_OP_addr + .quad global + .uleb128 0x4 # (DIE (0x40) DW_TAG_base_type) + .byte 0x4 # DW_AT_byte_size + .byte 0x5 # DW_AT_encoding + .ascii "int\0" # DW_AT_name + .uleb128 0x5 # (DIE (0x47) DW_TAG_subprogram) + # DW_AT_external + .ascii "foo\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf5a.c) + .byte 0x1 # DW_AT_decl_line + .byte 0xd # DW_AT_decl_column + # DW_AT_prototyped + # DW_AT_declaration + .long 0x59 # DW_AT_sibling + .uleb128 0x6 # (DIE (0x53) DW_TAG_formal_parameter) + .long 0x40 # DW_AT_type + .byte 0 # end of children of DIE 0x47 + .uleb128 0x7 # (DIE (0x59) DW_TAG_subprogram) + # DW_AT_external + .long .LASF5 # DW_AT_name: "main" + .byte 0x1 # DW_AT_decl_file (dwarf5a.c) + .byte 0x5 # DW_AT_decl_line + .byte 0x5 # DW_AT_decl_column + .long 0x40 # DW_AT_type + .quad .LFB0 # DW_AT_low_pc + .quad .LFE0-.LFB0 # DW_AT_high_pc + .uleb128 0x1 # DW_AT_frame_base + .byte 0x9c # DW_OP_call_frame_cfa + # DW_AT_call_all_calls + .uleb128 0x8 # (DIE (0x77) DW_TAG_variable) + .long .LASF3 # DW_AT_name: "local" + .byte 0x1 # DW_AT_decl_file (dwarf5a.c) + .byte 0x6 # DW_AT_decl_line + .byte 0x7 # DW_AT_decl_column + .long 0x40 # DW_AT_type + .long .LLST0 # DW_AT_location + .long .LVUS0 # DW_AT_GNU_locviews + .uleb128 0x9 # (DIE (0x8b) DW_TAG_call_site) + .quad .LVL1 # DW_AT_call_return_pc + .long 0x47 # DW_AT_call_origin + .long 0xa2 # DW_AT_sibling + .uleb128 0x1 # (DIE (0x9c) DW_TAG_call_site_parameter) + .uleb128 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .uleb128 0x1 # DW_AT_call_value + .byte 0x31 # DW_OP_lit1 + .byte 0 # end of children of DIE 0x8b + .uleb128 0xa # (DIE (0xa2) DW_TAG_call_site) + .quad .LVL2 # DW_AT_call_return_pc + .long 0x47 # DW_AT_call_origin + .uleb128 0x1 # (DIE (0xaf) DW_TAG_call_site_parameter) + .uleb128 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .uleb128 0x1 # DW_AT_call_value + .byte 0x32 # DW_OP_lit2 + .byte 0 # end of children of DIE 0xa2 + .byte 0 # end of children of DIE 0x59 + .byte 0 # end of children of DIE 0xc + .section .debug_abbrev,"",@progbits +.Ldebug_abbrev0: + .uleb128 0x1 # (abbrev code) + .uleb128 0x49 # (TAG: DW_TAG_call_site_parameter) + .byte 0 # DW_children_no + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x18 # (DW_FORM_exprloc) + .uleb128 0x7e # (DW_AT_call_value) + .uleb128 0x18 # (DW_FORM_exprloc) + .byte 0 + .byte 0 + .uleb128 0x2 # (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 0x1f # (DW_FORM_line_strp) + .uleb128 0x1b # (DW_AT_comp_dir) + .uleb128 0x1f # (DW_FORM_line_strp) + .uleb128 0x55 # (DW_AT_ranges) + .uleb128 0x17 # (DW_FORM_sec_offset) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x10 # (DW_AT_stmt_list) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x3 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .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 + .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 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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x3c # (DW_AT_declaration) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x6 # (abbrev code) + .uleb128 0x5 # (TAG: DW_TAG_formal_parameter) + .byte 0 # DW_children_no + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x7 # (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 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 0x39 # (DW_AT_decl_column) + .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 0x7 # (DW_FORM_data8) + .uleb128 0x40 # (DW_AT_frame_base) + .uleb128 0x18 # (DW_FORM_exprloc) + .uleb128 0x7a # (DW_AT_call_all_calls) + .uleb128 0x19 # (DW_FORM_flag_present) + .byte 0 + .byte 0 + .uleb128 0x8 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x17 # (DW_FORM_sec_offset) + .uleb128 0x2137 # (DW_AT_GNU_locviews) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x9 # (abbrev code) + .uleb128 0x48 # (TAG: DW_TAG_call_site) + .byte 0x1 # DW_children_yes + .uleb128 0x7d # (DW_AT_call_return_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x7f # (DW_AT_call_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0xa # (abbrev code) + .uleb128 0x48 # (TAG: DW_TAG_call_site) + .byte 0x1 # DW_children_yes + .uleb128 0x7d # (DW_AT_call_return_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x7f # (DW_AT_call_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .byte 0 + .section .debug_loclists,"",@progbits + .long .Ldebug_loc3-.Ldebug_loc2 # Length of Location Lists +.Ldebug_loc2: + .value 0x5 # DWARF version number + .byte 0x8 # Address Size + .byte 0 # Segment Size + .long 0 # Offset Entry Count +.Ldebug_loc0: +.LVUS0: + .uleb128 .LVU2 # View list begin (*.LVUS0) + .uleb128 .LVU5 # View list end (*.LVUS0) + .uleb128 .LVU6 # View list begin (*.LVUS0) + .uleb128 .LVU8 # View list end (*.LVUS0) + .uleb128 .LVU8 # View list begin (*.LVUS0) + .uleb128 0 # View list end (*.LVUS0) +.LLST0: + .byte 0x6 # DW_LLE_base_address (*.LLST0) + .quad .LVL0 # Base address (*.LLST0) + .byte 0x4 # DW_LLE_offset_pair (*.LLST0) + .uleb128 .LVL0-.LVL0 # Location list begin address (*.LLST0) + .uleb128 .LVL1-1-.LVL0 # Location list end address (*.LLST0) + .uleb128 0x9 # Location expression size + .byte 0x3 # DW_OP_addr + .quad global + .byte 0x4 # DW_LLE_offset_pair (*.LLST0) + .uleb128 .LVL1-.LVL0 # Location list begin address (*.LLST0) + .uleb128 .LVL2-.LVL0 # Location list end address (*.LLST0) + .uleb128 0x3 # Location expression size + .byte 0x8 # DW_OP_const1u + .byte 0x7b + .byte 0x9f # DW_OP_stack_value + .byte 0x4 # DW_LLE_offset_pair (*.LLST0) + .uleb128 .LVL2-.LVL0 # Location list begin address (*.LLST0) + .uleb128 .LFE0-.LVL0 # Location list end address (*.LLST0) + .uleb128 0x4 # Location expression size + .byte 0xa # DW_OP_const2u + .value 0x1c8 + .byte 0x9f # DW_OP_stack_value + .byte 0 # DW_LLE_end_of_list (*.LLST0) +.Ldebug_loc3: + .section .debug_aranges,"",@progbits + .long 0x2c # Length of Address Ranges Info + .value 0x2 # DWARF aranges version + .long .Ldebug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .value 0 # Pad to 16 byte boundary + .value 0 + .quad .LFB0 # Address + .quad .LFE0-.LFB0 # Length + .quad 0 + .quad 0 + .section .debug_rnglists,"",@progbits +.Ldebug_ranges0: + .long .Ldebug_ranges3-.Ldebug_ranges2 # Length of Range Lists +.Ldebug_ranges2: + .value 0x5 # DWARF version number + .byte 0x8 # Address Size + .byte 0 # Segment Size + .long 0 # Offset Entry Count +.LLRL1: + .byte 0x7 # DW_RLE_start_length (*.LLRL1) + .quad .LFB0 # Range begin address (*.LLRL1) + .uleb128 .LFE0-.LFB0 # Range length (*.LLRL1) + .byte 0 # DW_RLE_end_of_list (*.LLRL1) +.Ldebug_ranges3: + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_str,"MS",@progbits,1 +.LASF3: + .string "local" +.LASF4: + .string "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-5 -O2" +.LASF2: + .string "global" +.LASF5: + .string "main" + .section .debug_line_str,"MS",@progbits,1 +.LASF0: + .string "dwarf5a.c" +.LASF1: + .string "." + .ident "GCC: (GNU) 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee]" + .section .note.GNU-stack,"",@progbits diff --git a/ld/testsuite/ld-x86-64/dwarf5b.s b/ld/testsuite/ld-x86-64/dwarf5b.s new file mode 100644 index 00000000000..4d344692280 --- /dev/null +++ b/ld/testsuite/ld-x86-64/dwarf5b.s @@ -0,0 +1,345 @@ +/* Assembly outputs of + +extern void foo(int); + +extern int global; + +void +bar (void) +{ + int local = global; + foo(local); + local = 123; + foo(local); + local = 456; +} + +compiled by GCC 14.2.1 with -O2 -g -dA -gdwarf-5. */ + + .file "dwarf5b.c" + .text +.Ltext0: + .file 0 "." "dwarf5b.c" + .p2align 4 + .globl bar + .type bar, @function +bar: +.LFB0: + .file 1 "dwarf5b.c" + # dwarf5b.c:7:1 + .loc 1 7 1 view -0 + .cfi_startproc +# BLOCK 2, count:1073741824 (estimated locally) seq:0 +# PRED: ENTRY [always] count:1073741824 (estimated locally, freq 1.0000) (FALLTHRU) + # dwarf5b.c:8:3 + .loc 1 8 3 view .LVU1 +.LVL0: + # DEBUG local => [`global'] + # dwarf5b.c:9:3 + .loc 1 9 3 view .LVU2 + # dwarf5b.c:7:1 + .loc 1 7 1 is_stmt 0 view .LVU3 + subq $8, %rsp + .cfi_def_cfa_offset 16 + # dwarf5b.c:9:3 + .loc 1 9 3 view .LVU4 + movl global(%rip), %edi + call foo +.LVL1: + # DEBUG local RESET + # dwarf5b.c:10:3 + .loc 1 10 3 is_stmt 1 view .LVU5 + # DEBUG local => 0x7b + # dwarf5b.c:11:3 + .loc 1 11 3 view .LVU6 + movl $123, %edi + # dwarf5b.c:13:1 + .loc 1 13 1 is_stmt 0 view .LVU7 + addq $8, %rsp + .cfi_def_cfa_offset 8 +# SUCC: EXIT [always] count:1073741824 (estimated locally, freq 1.0000) (ABNORMAL,SIBCALL) + # dwarf5b.c:11:3 + .loc 1 11 3 view .LVU8 + jmp foo +.LVL2: + .cfi_endproc +.LFE0: + .size bar, .-bar +.Letext0: + .section .debug_info,"",@progbits +.Ldebug_info0: + .long 0xa0 # Length of Compilation Unit Info + .value 0x5 # DWARF version number + .byte 0x1 # DW_UT_compile + .byte 0x8 # Pointer Size (in bytes) + .long .Ldebug_abbrev0 # Offset Into Abbrev. Section + .uleb128 0x1 # (DIE (0xc) DW_TAG_compile_unit) + .long .LASF4 # DW_AT_producer: "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-5 -O2" + .byte 0x1d # DW_AT_language + .long .LASF0 # DW_AT_name: "dwarf5b.c" + .long .LASF1 # DW_AT_comp_dir: "." + .quad .Ltext0 # DW_AT_low_pc + .quad .Letext0-.Ltext0 # DW_AT_high_pc + .long .Ldebug_line0 # DW_AT_stmt_list + .uleb128 0x2 # (DIE (0x2e) DW_TAG_variable) + .long .LASF2 # DW_AT_name: "global" + .byte 0x1 # DW_AT_decl_file (dwarf5b.c) + .byte 0x3 # DW_AT_decl_line + .byte 0xc # DW_AT_decl_column + .long 0x3a # DW_AT_type + # DW_AT_external + # DW_AT_declaration + .uleb128 0x3 # (DIE (0x3a) DW_TAG_base_type) + .byte 0x4 # DW_AT_byte_size + .byte 0x5 # DW_AT_encoding + .ascii "int\0" # DW_AT_name + .uleb128 0x4 # (DIE (0x41) DW_TAG_subprogram) + # DW_AT_external + .ascii "foo\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf5b.c) + .byte 0x1 # DW_AT_decl_line + .byte 0xd # DW_AT_decl_column + # DW_AT_prototyped + # DW_AT_declaration + .long 0x53 # DW_AT_sibling + .uleb128 0x5 # (DIE (0x4d) DW_TAG_formal_parameter) + .long 0x3a # DW_AT_type + .byte 0 # end of children of DIE 0x41 + .uleb128 0x6 # (DIE (0x53) DW_TAG_subprogram) + # DW_AT_external + .ascii "bar\0" # DW_AT_name + .byte 0x1 # DW_AT_decl_file (dwarf5b.c) + .byte 0x6 # DW_AT_decl_line + .byte 0x1 # DW_AT_decl_column + # DW_AT_prototyped + .quad .LFB0 # DW_AT_low_pc + .quad .LFE0-.LFB0 # DW_AT_high_pc + .uleb128 0x1 # DW_AT_frame_base + .byte 0x9c # DW_OP_call_frame_cfa + # DW_AT_call_all_calls + .uleb128 0x7 # (DIE (0x6d) DW_TAG_variable) + .long .LASF3 # DW_AT_name: "local" + .byte 0x1 # DW_AT_decl_file (dwarf5b.c) + .byte 0x8 # DW_AT_decl_line + .byte 0x7 # DW_AT_decl_column + .long 0x3a # DW_AT_type + .long .LLST0 # DW_AT_location + .long .LVUS0 # DW_AT_GNU_locviews + .uleb128 0x8 # (DIE (0x81) DW_TAG_call_site) + .quad .LVL1 # DW_AT_call_return_pc + .long 0x41 # DW_AT_call_origin + .uleb128 0x9 # (DIE (0x8e) DW_TAG_call_site) + .quad .LVL2 # DW_AT_call_return_pc + # DW_AT_call_tail_call + .long 0x41 # DW_AT_call_origin + .uleb128 0xa # (DIE (0x9b) DW_TAG_call_site_parameter) + .uleb128 0x1 # DW_AT_location + .byte 0x55 # DW_OP_reg5 + .uleb128 0x2 # DW_AT_call_value + .byte 0x8 # DW_OP_const1u + .byte 0x7b + .byte 0 # end of children of DIE 0x8e + .byte 0 # end of children of DIE 0x53 + .byte 0 # end of children of DIE 0xc + .section .debug_abbrev,"",@progbits +.Ldebug_abbrev0: + .uleb128 0x1 # (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 0x1f # (DW_FORM_line_strp) + .uleb128 0x1b # (DW_AT_comp_dir) + .uleb128 0x1f # (DW_FORM_line_strp) + .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) + .byte 0 + .byte 0 + .uleb128 0x2 # (abbrev code) + .uleb128 0x34 # (TAG: DW_TAG_variable) + .byte 0 # DW_children_no + .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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x3f # (DW_AT_external) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x3c # (DW_AT_declaration) + .uleb128 0x19 # (DW_FORM_flag_present) + .byte 0 + .byte 0 + .uleb128 0x3 # (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 0x4 # (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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x3c # (DW_AT_declaration) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x1 # (DW_AT_sibling) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x5 # (abbrev code) + .uleb128 0x5 # (TAG: DW_TAG_formal_parameter) + .byte 0 # DW_children_no + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x6 # (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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x27 # (DW_AT_prototyped) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x11 # (DW_AT_low_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x12 # (DW_AT_high_pc) + .uleb128 0x7 # (DW_FORM_data8) + .uleb128 0x40 # (DW_AT_frame_base) + .uleb128 0x18 # (DW_FORM_exprloc) + .uleb128 0x7a # (DW_AT_call_all_calls) + .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 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 0x39 # (DW_AT_decl_column) + .uleb128 0xb # (DW_FORM_data1) + .uleb128 0x49 # (DW_AT_type) + .uleb128 0x13 # (DW_FORM_ref4) + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x17 # (DW_FORM_sec_offset) + .uleb128 0x2137 # (DW_AT_GNU_locviews) + .uleb128 0x17 # (DW_FORM_sec_offset) + .byte 0 + .byte 0 + .uleb128 0x8 # (abbrev code) + .uleb128 0x48 # (TAG: DW_TAG_call_site) + .byte 0 # DW_children_no + .uleb128 0x7d # (DW_AT_call_return_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x7f # (DW_AT_call_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0x9 # (abbrev code) + .uleb128 0x48 # (TAG: DW_TAG_call_site) + .byte 0x1 # DW_children_yes + .uleb128 0x7d # (DW_AT_call_return_pc) + .uleb128 0x1 # (DW_FORM_addr) + .uleb128 0x82 # (DW_AT_call_tail_call) + .uleb128 0x19 # (DW_FORM_flag_present) + .uleb128 0x7f # (DW_AT_call_origin) + .uleb128 0x13 # (DW_FORM_ref4) + .byte 0 + .byte 0 + .uleb128 0xa # (abbrev code) + .uleb128 0x49 # (TAG: DW_TAG_call_site_parameter) + .byte 0 # DW_children_no + .uleb128 0x2 # (DW_AT_location) + .uleb128 0x18 # (DW_FORM_exprloc) + .uleb128 0x7e # (DW_AT_call_value) + .uleb128 0x18 # (DW_FORM_exprloc) + .byte 0 + .byte 0 + .byte 0 + .section .debug_loclists,"",@progbits + .long .Ldebug_loc3-.Ldebug_loc2 # Length of Location Lists +.Ldebug_loc2: + .value 0x5 # DWARF version number + .byte 0x8 # Address Size + .byte 0 # Segment Size + .long 0 # Offset Entry Count +.Ldebug_loc0: +.LVUS0: + .uleb128 .LVU6 # View list begin (*.LVUS0) + .uleb128 0 # View list end (*.LVUS0) +.LLST0: + .byte 0x4 # DW_LLE_offset_pair (*.LLST0) + .uleb128 .LVL1-.Ltext0 # Location list begin address (*.LLST0) + .uleb128 .LFE0-.Ltext0 # Location list end address (*.LLST0) + .uleb128 0x3 # Location expression size + .byte 0x8 # DW_OP_const1u + .byte 0x7b + .byte 0x9f # DW_OP_stack_value + .byte 0 # DW_LLE_end_of_list (*.LLST0) +.Ldebug_loc3: + .section .debug_aranges,"",@progbits + .long 0x2c # Length of Address Ranges Info + .value 0x2 # DWARF aranges version + .long .Ldebug_info0 # Offset of Compilation Unit Info + .byte 0x8 # Size of Address + .byte 0 # Size of Segment Descriptor + .value 0 # Pad to 16 byte boundary + .value 0 + .quad .Ltext0 # Address + .quad .Letext0-.Ltext0 # Length + .quad 0 + .quad 0 + .section .debug_line,"",@progbits +.Ldebug_line0: + .section .debug_str,"MS",@progbits,1 +.LASF3: + .string "local" +.LASF4: + .string "GNU C17 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee] -mtune=generic -march=x86-64 -g -gdwarf-5 -O2" +.LASF2: + .string "global" + .section .debug_line_str,"MS",@progbits,1 +.LASF1: + .string "." +.LASF0: + .string "dwarf5b.c" + .ident "GCC: (GNU) 14.2.1 20240906 [releases/gcc-14 r14-10649-gaedf6f810ee]" + .section .note.GNU-stack,"",@progbits diff --git a/ld/testsuite/ld-x86-64/pr32809.d b/ld/testsuite/ld-x86-64/pr32809.d new file mode 100644 index 00000000000..3affc23fa4c --- /dev/null +++ b/ld/testsuite/ld-x86-64/pr32809.d @@ -0,0 +1,71 @@ +#source: dwarf5a.s +#source: dwarf4.s +#source: dwarf5b.s +#as: --64 +#ld: -r -m elf_x86_64 +#readelf: --wide --debug-dump=loc + +Contents of the .*ebug_loc section: + + Offset Begin End Expression + + 00000000 v000000000000000 v000000000000000 location view pair + 00000002 v000000000000000 v000000000000000 location view pair + + 00000004 v000000000000000 v000000000000000 views at 00000000 for: + 0000000000000000 000000000000000a \(DW_OP_reg5 \(rdi\)\) + 00000017 v000000000000000 v000000000000000 views at 00000002 for: + 000000000000000a 0000000000000016 \(DW_OP_GNU_entry_value: \(DW_OP_reg5 \(rdi\)\); DW_OP_stack_value\) + 0000002d + + 0000003d v000000000000002 v000000000000000 location view pair + 0000003f v000000000000000 v000000000000001 location view pair + 00000041 v000000000000001 v000000000000000 location view pair + + 00000043 v000000000000002 v000000000000000 views at 0000003d for: + 0000000000000000 000000000000000a \(DW_OP_reg5 \(rdi\)\) + 00000056 v000000000000000 v000000000000001 views at 0000003f for: + 000000000000000a 000000000000000b \(DW_OP_GNU_entry_value: \(DW_OP_reg5 \(rdi\)\); DW_OP_stack_value\) + 0000006c v000000000000001 v000000000000000 views at 00000041 for: + 000000000000000b 0000000000000016 \(DW_OP_const1u: 123; DW_OP_stack_value\) + 00000081 + +Contents of the .*ebug_loclists section: + +Table at Offset 0 + Length: 0x34 + DWARF version: 5 + Address size: 8 + Segment size: 0 + Offset entries: 0 + + Offset Begin End Expression + + 0000000c v000000000000002 v000000000000000 location view pair + 0000000e v000000000000001 v000000000000001 location view pair + 00000010 v000000000000001 v000000000000000 location view pair + + 00000012 0000000000000000 \(base address\) + 0000001b v000000000000002 v000000000000000 views at 0000000c for: + 0000000000000000 000000000000000d \(DW_OP_addr: 0\) + 00000028 v000000000000001 v000000000000001 views at 0000000e for: + 000000000000000e 0000000000000018 \(DW_OP_const1u: 123; DW_OP_stack_value\) + 0000002f v000000000000001 v000000000000000 views at 00000010 for: + 0000000000000018 000000000000001f \(DW_OP_const2u: 456; DW_OP_stack_value\) + 00000037 +Table at Offset 0x38 + Length: 0x12 + DWARF version: 5 + Address size: 8 + Segment size: 0 + Offset entries: 0 + + Offset Begin End Expression + + 00000044 v000000000000001 v000000000000000 location view pair + + 00000046 v000000000000001 v000000000000000 views at 00000044 for: + 000000000000002f 000000000000003d \(DW_OP_const1u: 123; DW_OP_stack_value\) + 0000004d + +#pass diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp index 52c4d5e0e6b..3bb88ff1c49 100644 --- a/ld/testsuite/ld-x86-64/x86-64.exp +++ b/ld/testsuite/ld-x86-64/x86-64.exp @@ -563,6 +563,7 @@ run_dump_test "pr32591-3" run_dump_test "pr32591-3-x32" run_dump_test "pr32591-4" run_dump_test "pr32591-4-x32" +run_dump_test "pr32809" if { ![skip_sframe_tests] } { run_dump_test "sframe-simple-1"