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author | Alexander Yermolovich <43973793+ayermolo@users.noreply.github.com> | 2024-02-14 15:43:39 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-02-14 15:43:39 -0800 |
commit | 82ca75239340c6e2b92125fe39bf872faa044f11 (patch) | |
tree | 04566acf2219ac041b05d35c5c2dd1570201076c | |
parent | 7249692bd24afc81fbbaa24240e3c9bba046f854 (diff) | |
download | llvm-82ca75239340c6e2b92125fe39bf872faa044f11.zip llvm-82ca75239340c6e2b92125fe39bf872faa044f11.tar.gz llvm-82ca75239340c6e2b92125fe39bf872faa044f11.tar.bz2 |
[BOLT][DWARF] Add test for DW_AT_ranges input without function output (#81794)
Added a test that relies on -fbasic-block-sections=all and --gc-sections
that exercises a code path that previously printed a warning.
-rw-r--r-- | bolt/lib/Rewrite/DWARFRewriter.cpp | 9 | ||||
-rw-r--r-- | bolt/test/X86/dwarf4-subprogram-single-gc-ranges.test | 6 | ||||
-rw-r--r-- | bolt/test/X86/dwarf5-empty-function-ranges.s | 538 | ||||
-rw-r--r-- | bolt/test/X86/dwarf5-subprogram-single-gc-ranges.test | 6 |
4 files changed, 544 insertions, 15 deletions
diff --git a/bolt/lib/Rewrite/DWARFRewriter.cpp b/bolt/lib/Rewrite/DWARFRewriter.cpp index 27fa937..592b235 100644 --- a/bolt/lib/Rewrite/DWARFRewriter.cpp +++ b/bolt/lib/Rewrite/DWARFRewriter.cpp @@ -919,15 +919,10 @@ void DWARFRewriter::updateUnitDebugInfo( DIEValue LowPCVal = Die->findAttribute(dwarf::DW_AT_low_pc); DIEValue HighPCVal = Die->findAttribute(dwarf::DW_AT_high_pc); if (FunctionRanges.empty()) { - if (LowPCVal && HighPCVal) { + if (LowPCVal && HighPCVal) FunctionRanges.push_back({0, HighPCVal.getDIEInteger().getValue()}); - } else { - // I haven't seen this case, but who knows what other compilers - // generate. + else FunctionRanges.push_back({0, 1}); - errs() << "BOLT-WARNING: [internal-dwarf-error]: subprogram got GCed " - "by the linker, DW_AT_ranges is used\n"; - } } if (FunctionRanges.size() == 1 && !opts::AlwaysConvertToRanges) { diff --git a/bolt/test/X86/dwarf4-subprogram-single-gc-ranges.test b/bolt/test/X86/dwarf4-subprogram-single-gc-ranges.test index 9080052..3e7e765 100644 --- a/bolt/test/X86/dwarf4-subprogram-single-gc-ranges.test +++ b/bolt/test/X86/dwarf4-subprogram-single-gc-ranges.test @@ -2,14 +2,12 @@ # RUN: llvm-mc -dwarf-version=4 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf4-subprogram-single-gc-ranges-main.s -o %t1.o # RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q -# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections &> %t1.txt -# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t1.txt +# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections +# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt > %t1.txt # RUN: cat %t1.txt | FileCheck --check-prefix=POSTCHECK %s # This test checks BOLT correctly handles DW_TAG_subprogram with Ranges with single entry, when function was GCed. -# POSTCHECK: BOLT-WARNING: [internal-dwarf-error]: subprogram got GCed by the linker, DW_AT_ranges is used - # POSTCHECK: DW_TAG_subprogram # POSTCHECK-NEXT: DW_AT_frame_base # POSTCHECK-NEXT: DW_AT_linkage_name diff --git a/bolt/test/X86/dwarf5-empty-function-ranges.s b/bolt/test/X86/dwarf5-empty-function-ranges.s new file mode 100644 index 0000000..bfa3178 --- /dev/null +++ b/bolt/test/X86/dwarf5-empty-function-ranges.s @@ -0,0 +1,538 @@ +# REQUIRES: system-linux + +# RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o +# RUN: %clang %cflags -dwarf-5 %t1.o -o %t.exe -Wl,-q -Wl,-gc-sections -fuse-ld=lld -Wl,--entry=main +# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections +# RUN: llvm-dwarfdump --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s +# RUN: llvm-dwarfdump --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s + +# PRECHECK: DW_TAG_subprogram +# PRECHECK-NEXT: DW_AT_ranges +# PRECHECK-NEXT: [0x0000000000000000 +# PRECHECK-NEXT: [0x0000000000000000 +# PRECHECK-NEXT: [0x0000000000000000 +# PRECHECK-NEXT: [0x0000000000000000 +# PRECHECK-NEXT: DW_AT_frame_base +# PRECHECK-NEXT: DW_AT_linkage_name ("_Z6helperi") +# PRECHECK-NEXT: DW_AT_name ("helper") + +# POSTCHECK: DW_TAG_subprogram +# POSTCHECK-NEXT: DW_AT_frame_base +# POSTCHECK-NEXT: DW_AT_linkage_name ("_Z6helperi") +# POSTCHECK-NEXT: DW_AT_name ("helper") +# POSTCHECK-NEXT: DW_AT_decl_file +# POSTCHECK-NEXT: DW_AT_decl_line +# POSTCHECK-NEXT: DW_AT_type +# POSTCHECK-NEXT: DW_AT_external +# POSTCHECK-NEXT: DW_AT_low_pc (0x0000000000000000) +# POSTCHECK-NEXT: DW_AT_high_pc (0x0000000000000001) + +## Tests BOLT path that handles DW_AT_ranges with no output function ranges. + +## clang++ main.cpp -O0 -fno-inline-functions -fbasic-block-sections=all -g2 -S +## int helper(int argc) { +## int x = argc; +## if (x == 3) +## x++; +## else +## x--; +## return x; +## } +## int main(int argc, char *argv[]) { +## int x = argc; +## if (x == 3) +## x++; +## else +## x--; +## return x; +## } + + .text + .file "main.cpp" + .section .text._Z6helperi,"ax",@progbits + .globl _Z6helperi # -- Begin function _Z6helperi + .p2align 4, 0x90 + .type _Z6helperi,@function +_Z6helperi: # @_Z6helperi +.Lfunc_begin0: + .file 0 "/repro2" "main.cpp" md5 0x888a2704226ec400f256aa9c2207456c + .loc 0 1 0 # main.cpp:1:0 + .cfi_startproc +# %bb.0: # %entry + pushq %rbp + .cfi_def_cfa_offset 16 + .cfi_offset %rbp, -16 + movq %rsp, %rbp + .cfi_def_cfa_register %rbp + movl %edi, -4(%rbp) +.Ltmp0: + .loc 0 2 11 prologue_end # main.cpp:2:11 + movl -4(%rbp), %eax + .loc 0 2 7 is_stmt 0 # main.cpp:2:7 + movl %eax, -8(%rbp) +.Ltmp1: + .loc 0 3 9 is_stmt 1 # main.cpp:3:9 + cmpl $3, -8(%rbp) +.Ltmp2: + .loc 0 3 7 is_stmt 0 # main.cpp:3:7 + jne _Z6helperi.__part.2 + jmp _Z6helperi.__part.1 +.LBB_END0_0: + .cfi_endproc + .section .text._Z6helperi,"ax",@progbits,unique,1 +_Z6helperi.__part.1: # %if.then + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 4 6 is_stmt 1 # main.cpp:4:6 + movl -8(%rbp), %eax + addl $1, %eax + movl %eax, -8(%rbp) + .loc 0 4 5 is_stmt 0 # main.cpp:4:5 + jmp _Z6helperi.__part.3 +.LBB_END0_1: + .size _Z6helperi.__part.1, .LBB_END0_1-_Z6helperi.__part.1 + .cfi_endproc + .section .text._Z6helperi,"ax",@progbits,unique,2 +_Z6helperi.__part.2: # %if.else + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 6 6 is_stmt 1 # main.cpp:6:6 + movl -8(%rbp), %eax + addl $-1, %eax + movl %eax, -8(%rbp) + jmp _Z6helperi.__part.3 +.LBB_END0_2: + .size _Z6helperi.__part.2, .LBB_END0_2-_Z6helperi.__part.2 + .cfi_endproc + .section .text._Z6helperi,"ax",@progbits,unique,3 +_Z6helperi.__part.3: # %if.end + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 7 10 # main.cpp:7:10 + movl -8(%rbp), %eax + .loc 0 7 3 epilogue_begin is_stmt 0 # main.cpp:7:3 + popq %rbp + .cfi_def_cfa %rsp, 8 + retq +.LBB_END0_3: + .size _Z6helperi.__part.3, .LBB_END0_3-_Z6helperi.__part.3 + .cfi_endproc + .section .text._Z6helperi,"ax",@progbits +.Lfunc_end0: + .size _Z6helperi, .Lfunc_end0-_Z6helperi + # -- End function + .section .text.main,"ax",@progbits + .globl main # -- Begin function main + .p2align 4, 0x90 + .type main,@function +main: # @main +.Lfunc_begin1: + .loc 0 9 0 is_stmt 1 # main.cpp:9:0 + .cfi_startproc +# %bb.0: # %entry + pushq %rbp + .cfi_def_cfa_offset 16 + .cfi_offset %rbp, -16 + movq %rsp, %rbp + .cfi_def_cfa_register %rbp + movl $0, -4(%rbp) + movl %edi, -8(%rbp) + movq %rsi, -16(%rbp) +.Ltmp3: + .loc 0 10 11 prologue_end # main.cpp:10:11 + movl -8(%rbp), %eax + .loc 0 10 7 is_stmt 0 # main.cpp:10:7 + movl %eax, -20(%rbp) +.Ltmp4: + .loc 0 11 9 is_stmt 1 # main.cpp:11:9 + cmpl $3, -20(%rbp) +.Ltmp5: + .loc 0 11 7 is_stmt 0 # main.cpp:11:7 + jne main.__part.2 + jmp main.__part.1 +.LBB_END1_0: + .cfi_endproc + .section .text.main,"ax",@progbits,unique,4 +main.__part.1: # %if.then + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 12 6 is_stmt 1 # main.cpp:12:6 + movl -20(%rbp), %eax + addl $1, %eax + movl %eax, -20(%rbp) + .loc 0 12 5 is_stmt 0 # main.cpp:12:5 + jmp main.__part.3 +.LBB_END1_1: + .size main.__part.1, .LBB_END1_1-main.__part.1 + .cfi_endproc + .section .text.main,"ax",@progbits,unique,5 +main.__part.2: # %if.else + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 14 6 is_stmt 1 # main.cpp:14:6 + movl -20(%rbp), %eax + addl $-1, %eax + movl %eax, -20(%rbp) + jmp main.__part.3 +.LBB_END1_2: + .size main.__part.2, .LBB_END1_2-main.__part.2 + .cfi_endproc + .section .text.main,"ax",@progbits,unique,6 +main.__part.3: # %if.end + .cfi_startproc + .cfi_def_cfa %rbp, 16 + .cfi_offset %rbp, -16 + .loc 0 15 10 # main.cpp:15:10 + movl -20(%rbp), %eax + .loc 0 15 3 epilogue_begin is_stmt 0 # main.cpp:15:3 + popq %rbp + .cfi_def_cfa %rsp, 8 + retq +.LBB_END1_3: + .size main.__part.3, .LBB_END1_3-main.__part.3 + .cfi_endproc + .section .text.main,"ax",@progbits +.Lfunc_end1: + .size main, .Lfunc_end1-main + # -- End function + .section .debug_abbrev,"",@progbits + .byte 1 # Abbreviation Code + .byte 17 # DW_TAG_compile_unit + .byte 1 # DW_CHILDREN_yes + .byte 37 # DW_AT_producer + .byte 37 # DW_FORM_strx1 + .byte 19 # DW_AT_language + .byte 5 # DW_FORM_data2 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 114 # DW_AT_str_offsets_base + .byte 23 # DW_FORM_sec_offset + .byte 16 # DW_AT_stmt_list + .byte 23 # DW_FORM_sec_offset + .byte 27 # DW_AT_comp_dir + .byte 37 # DW_FORM_strx1 + .byte 17 # DW_AT_low_pc + .byte 1 # DW_FORM_addr + .byte 85 # DW_AT_ranges + .byte 35 # DW_FORM_rnglistx + .byte 115 # DW_AT_addr_base + .byte 23 # DW_FORM_sec_offset + .byte 116 # DW_AT_rnglists_base + .byte 23 # DW_FORM_sec_offset + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 2 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 85 # DW_AT_ranges + .byte 35 # DW_FORM_rnglistx + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 110 # DW_AT_linkage_name + .byte 37 # DW_FORM_strx1 + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 3 # Abbreviation Code + .byte 5 # DW_TAG_formal_parameter + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 4 # Abbreviation Code + .byte 52 # DW_TAG_variable + .byte 0 # DW_CHILDREN_no + .byte 2 # DW_AT_location + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 5 # Abbreviation Code + .byte 46 # DW_TAG_subprogram + .byte 1 # DW_CHILDREN_yes + .byte 85 # DW_AT_ranges + .byte 35 # DW_FORM_rnglistx + .byte 64 # DW_AT_frame_base + .byte 24 # DW_FORM_exprloc + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 58 # DW_AT_decl_file + .byte 11 # DW_FORM_data1 + .byte 59 # DW_AT_decl_line + .byte 11 # DW_FORM_data1 + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 63 # DW_AT_external + .byte 25 # DW_FORM_flag_present + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 6 # Abbreviation Code + .byte 36 # DW_TAG_base_type + .byte 0 # DW_CHILDREN_no + .byte 3 # DW_AT_name + .byte 37 # DW_FORM_strx1 + .byte 62 # DW_AT_encoding + .byte 11 # DW_FORM_data1 + .byte 11 # DW_AT_byte_size + .byte 11 # DW_FORM_data1 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 7 # Abbreviation Code + .byte 15 # DW_TAG_pointer_type + .byte 0 # DW_CHILDREN_no + .byte 73 # DW_AT_type + .byte 19 # DW_FORM_ref4 + .byte 0 # EOM(1) + .byte 0 # EOM(2) + .byte 0 # EOM(3) + .section .debug_info,"",@progbits +.Lcu_begin0: + .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit +.Ldebug_info_start0: + .short 5 # DWARF version number + .byte 1 # DWARF Unit Type + .byte 8 # Address Size (in bytes) + .long .debug_abbrev # Offset Into Abbrev. Section + .byte 1 # Abbrev [1] 0xc:0x82 DW_TAG_compile_unit + .byte 0 # DW_AT_producer + .short 33 # DW_AT_language + .byte 1 # DW_AT_name + .long .Lstr_offsets_base0 # DW_AT_str_offsets_base + .long .Lline_table_start0 # DW_AT_stmt_list + .byte 2 # DW_AT_comp_dir + .quad 0 # DW_AT_low_pc + .byte 2 # DW_AT_ranges + .long .Laddr_table_base0 # DW_AT_addr_base + .long .Lrnglists_table_base0 # DW_AT_rnglists_base + .byte 2 # Abbrev [2] 0x2b:0x23 DW_TAG_subprogram + .byte 0 # DW_AT_ranges + .byte 1 # DW_AT_frame_base + .byte 86 + .byte 3 # DW_AT_linkage_name + .byte 4 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 123 # DW_AT_type + # DW_AT_external + .byte 3 # Abbrev [3] 0x37:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 124 + .byte 7 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 1 # DW_AT_decl_line + .long 123 # DW_AT_type + .byte 4 # Abbrev [4] 0x42:0xb DW_TAG_variable + .byte 2 # DW_AT_location + .byte 145 + .byte 120 + .byte 8 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 2 # DW_AT_decl_line + .long 123 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 5 # Abbrev [5] 0x4e:0x2d DW_TAG_subprogram + .byte 1 # DW_AT_ranges + .byte 1 # DW_AT_frame_base + .byte 86 + .byte 6 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 123 # DW_AT_type + # DW_AT_external + .byte 3 # Abbrev [3] 0x59:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 120 + .byte 7 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 123 # DW_AT_type + .byte 3 # Abbrev [3] 0x64:0xb DW_TAG_formal_parameter + .byte 2 # DW_AT_location + .byte 145 + .byte 112 + .byte 9 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 9 # DW_AT_decl_line + .long 127 # DW_AT_type + .byte 4 # Abbrev [4] 0x6f:0xb DW_TAG_variable + .byte 2 # DW_AT_location + .byte 145 + .byte 108 + .byte 8 # DW_AT_name + .byte 0 # DW_AT_decl_file + .byte 10 # DW_AT_decl_line + .long 123 # DW_AT_type + .byte 0 # End Of Children Mark + .byte 6 # Abbrev [6] 0x7b:0x4 DW_TAG_base_type + .byte 5 # DW_AT_name + .byte 5 # DW_AT_encoding + .byte 4 # DW_AT_byte_size + .byte 7 # Abbrev [7] 0x7f:0x5 DW_TAG_pointer_type + .long 132 # DW_AT_type + .byte 7 # Abbrev [7] 0x84:0x5 DW_TAG_pointer_type + .long 137 # DW_AT_type + .byte 6 # Abbrev [6] 0x89:0x4 DW_TAG_base_type + .byte 10 # DW_AT_name + .byte 6 # DW_AT_encoding + .byte 1 # DW_AT_byte_size + .byte 0 # End Of Children Mark +.Ldebug_info_end0: + .section .debug_rnglists,"",@progbits + .long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length +.Ldebug_list_header_start0: + .short 5 # Version + .byte 8 # Address size + .byte 0 # Segment selector size + .long 3 # Offset entry count +.Lrnglists_table_base0: + .long .Ldebug_ranges0-.Lrnglists_table_base0 + .long .Ldebug_ranges1-.Lrnglists_table_base0 + .long .Ldebug_ranges2-.Lrnglists_table_base0 +.Ldebug_ranges0: + .byte 3 # DW_RLE_startx_length + .byte 0 # start index + .uleb128 .LBB_END0_1-_Z6helperi.__part.1 # length + .byte 3 # DW_RLE_startx_length + .byte 1 # start index + .uleb128 .LBB_END0_2-_Z6helperi.__part.2 # length + .byte 3 # DW_RLE_startx_length + .byte 2 # start index + .uleb128 .LBB_END0_3-_Z6helperi.__part.3 # length + .byte 3 # DW_RLE_startx_length + .byte 3 # start index + .uleb128 .Lfunc_end0-.Lfunc_begin0 # length + .byte 0 # DW_RLE_end_of_list +.Ldebug_ranges1: + .byte 3 # DW_RLE_startx_length + .byte 4 # start index + .uleb128 .LBB_END1_1-main.__part.1 # length + .byte 3 # DW_RLE_startx_length + .byte 5 # start index + .uleb128 .LBB_END1_2-main.__part.2 # length + .byte 3 # DW_RLE_startx_length + .byte 6 # start index + .uleb128 .LBB_END1_3-main.__part.3 # length + .byte 3 # DW_RLE_startx_length + .byte 7 # start index + .uleb128 .Lfunc_end1-.Lfunc_begin1 # length + .byte 0 # DW_RLE_end_of_list +.Ldebug_ranges2: + .byte 3 # DW_RLE_startx_length + .byte 0 # start index + .uleb128 .LBB_END0_1-_Z6helperi.__part.1 # length + .byte 3 # DW_RLE_startx_length + .byte 1 # start index + .uleb128 .LBB_END0_2-_Z6helperi.__part.2 # length + .byte 3 # DW_RLE_startx_length + .byte 2 # start index + .uleb128 .LBB_END0_3-_Z6helperi.__part.3 # length + .byte 3 # DW_RLE_startx_length + .byte 3 # start index + .uleb128 .Lfunc_end0-.Lfunc_begin0 # length + .byte 3 # DW_RLE_startx_length + .byte 4 # start index + .uleb128 .LBB_END1_1-main.__part.1 # length + .byte 3 # DW_RLE_startx_length + .byte 5 # start index + .uleb128 .LBB_END1_2-main.__part.2 # length + .byte 3 # DW_RLE_startx_length + .byte 6 # start index + .uleb128 .LBB_END1_3-main.__part.3 # length + .byte 3 # DW_RLE_startx_length + .byte 7 # start index + .uleb128 .Lfunc_end1-.Lfunc_begin1 # length + .byte 0 # DW_RLE_end_of_list +.Ldebug_list_header_end0: + .section .debug_str_offsets,"",@progbits + .long 48 # Length of String Offsets Set + .short 5 + .short 0 +.Lstr_offsets_base0: + .section .debug_str,"MS",@progbits,1 +.Linfo_string0: + .asciz "clang version 19.0.0git (git@github.com:ayermolo/llvm-project.git a1d8664d409cac2a923176a8e9a731385bde279e)" # string offset=0 +.Linfo_string1: + .asciz "main.cpp" # string offset=108 +.Linfo_string2: + .asciz "/repro2" # string offset=117 +.Linfo_string3: + .asciz "_Z6helperi" # string offset=162 +.Linfo_string4: + .asciz "helper" # string offset=173 +.Linfo_string5: + .asciz "int" # string offset=180 +.Linfo_string6: + .asciz "main" # string offset=184 +.Linfo_string7: + .asciz "argc" # string offset=189 +.Linfo_string8: + .asciz "x" # string offset=194 +.Linfo_string9: + .asciz "argv" # string offset=196 +.Linfo_string10: + .asciz "char" # string offset=201 + .section .debug_str_offsets,"",@progbits + .long .Linfo_string0 + .long .Linfo_string1 + .long .Linfo_string2 + .long .Linfo_string3 + .long .Linfo_string4 + .long .Linfo_string5 + .long .Linfo_string6 + .long .Linfo_string7 + .long .Linfo_string8 + .long .Linfo_string9 + .long .Linfo_string10 + .section .debug_addr,"",@progbits + .long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution +.Ldebug_addr_start0: + .short 5 # DWARF version number + .byte 8 # Address size + .byte 0 # Segment selector size +.Laddr_table_base0: + .quad _Z6helperi.__part.1 + .quad _Z6helperi.__part.2 + .quad _Z6helperi.__part.3 + .quad .Lfunc_begin0 + .quad main.__part.1 + .quad main.__part.2 + .quad main.__part.3 + .quad .Lfunc_begin1 +.Ldebug_addr_end0: + .ident "clang version 19.0.0git (git@github.com:ayermolo/llvm-project.git a1d8664d409cac2a923176a8e9a731385bde279e)" + .section ".note.GNU-stack","",@progbits + .addrsig + .section .debug_line,"",@progbits +.Lline_table_start0: diff --git a/bolt/test/X86/dwarf5-subprogram-single-gc-ranges.test b/bolt/test/X86/dwarf5-subprogram-single-gc-ranges.test index 04b7203..9f8f895 100644 --- a/bolt/test/X86/dwarf5-subprogram-single-gc-ranges.test +++ b/bolt/test/X86/dwarf5-subprogram-single-gc-ranges.test @@ -2,14 +2,12 @@ # RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %p/Inputs/dwarf5-subprogram-single-gc-ranges-main.s -o %t1.o # RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q -# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections &> %t1.txt -# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt >> %t1.txt +# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections +# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt > %t1.txt # RUN: cat %t1.txt | FileCheck --check-prefix=POSTCHECK %s # This test checks BOLT correctly handles DW_TAG_subprogram with Ranges with single entry, when function was GCed. -# POSTCHECK: BOLT-WARNING: [internal-dwarf-error]: subprogram got GCed by the linker, DW_AT_ranges is used - # POSTCHECK: DW_TAG_subprogram # POSTCHECK-NEXT: DW_AT_frame_base # POSTCHECK-NEXT: DW_AT_linkage_name |