| ## Check that the --debug-vars option works for simple register locations, when |
| ## using DWARF4 debug info, with multiple functions in one section. |
| |
| ## Generated with this compile command and source code: |
| ## clang --target=arm--none-eabi -march=armv7-a -c debug.c -O1 -gdwarf-3 -S -o - |
| |
| ## clang --target=powerpc64-unknown-linux -c debug.c -O1 -S -o - |
| |
| ## int foo(int a, int b, int c) { |
| ## int x = a + b; |
| ## int y = x + c; |
| ## return y; |
| ## } |
| ## |
| ## int bar(int a) { |
| ## a++; |
| ## return a; |
| ## } |
| |
| # RUN: llvm-mc -triple powerpc64-unknown-linux < %s -filetype=obj | \ |
| # RUN: llvm-objdump - -d --debug-vars --no-show-raw-insn | \ |
| # RUN: FileCheck %s |
| |
| # CHECK: Disassembly of section .text: |
| # CHECK-EMPTY: |
| # CHECK-NEXT: 0000000000000000 <.text>: |
| # CHECK-NEXT: ┠─ a = S3 |
| # CHECK-NEXT: ┃ ┠─ b = S4 |
| # CHECK-NEXT: ┃ ┃ ┠─ c = S5 |
| # CHECK-NEXT: ┃ ┃ ┃ ┌─ x = S3 |
| # CHECK-NEXT: 0: add 3, 4, 3 ┻ ┃ ┃ ╈ |
| # CHECK-NEXT: ┌─ y = S3 |
| # CHECK-NEXT: 4: add 3, 3, 5 ╈ ┃ ┃ ┻ |
| # CHECK-NEXT: 8: extsw 3, 3 ┻ ┃ ┃ |
| # CHECK-NEXT: c: blr ┃ ┃ |
| # CHECK-NEXT: ... |
| # CHECK-NEXT: ┠─ a = S3 |
| # CHECK-NEXT: 1c: addi 3, 3, 1 ┃ |
| # CHECK-NEXT: 20: extsw 3, 3 ┻ |
| # CHECK-NEXT: 24: blr |
| # CHECK-NEXT: ... |
| |
| .text |
| .file "debug.c" |
| .globl foo # -- Begin function foo |
| .p2align 2 |
| .type foo,@function |
| .section .opd,"aw",@progbits |
| foo: # @foo |
| .p2align 3 |
| .quad .Lfunc_begin0 |
| .quad .TOC.@tocbase |
| .quad 0 |
| .text |
| .Lfunc_begin0: |
| .file 1 "/work" "llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c" |
| .loc 1 1 0 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:1:0 |
| .cfi_sections .debug_frame |
| .cfi_startproc |
| # %bb.0: # %entry |
| #DEBUG_VALUE: foo:a <- $x3 |
| #DEBUG_VALUE: foo:a <- $r3 |
| #DEBUG_VALUE: foo:b <- $x4 |
| #DEBUG_VALUE: foo:b <- $x4 |
| #DEBUG_VALUE: foo:b <- $r4 |
| #DEBUG_VALUE: foo:c <- $x5 |
| #DEBUG_VALUE: foo:c <- $x5 |
| #DEBUG_VALUE: foo:c <- $r5 |
| .loc 1 2 13 prologue_end # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:2:13 |
| add 3, 4, 3 |
| .Ltmp0: |
| #DEBUG_VALUE: foo:x <- $r3 |
| .loc 1 3 13 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:3:13 |
| add 3, 3, 5 |
| .Ltmp1: |
| #DEBUG_VALUE: foo:y <- $r3 |
| .loc 1 4 3 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:4:3 |
| extsw 3, 3 |
| .Ltmp2: |
| blr |
| .Ltmp3: |
| .long 0 |
| .quad 0 |
| .Lfunc_end0: |
| .size foo, .Lfunc_end0-.Lfunc_begin0 |
| .cfi_endproc |
| # -- End function |
| .globl bar # -- Begin function bar |
| .p2align 2 |
| .type bar,@function |
| .section .opd,"aw",@progbits |
| bar: # @bar |
| .p2align 3 |
| .quad .Lfunc_begin1 |
| .quad .TOC.@tocbase |
| .quad 0 |
| .text |
| .Lfunc_begin1: |
| .loc 1 7 0 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:7:0 |
| .cfi_startproc |
| # %bb.0: # %entry |
| #DEBUG_VALUE: bar:a <- $x3 |
| #DEBUG_VALUE: bar:a <- $r3 |
| .loc 1 8 4 prologue_end # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:8:4 |
| addi 3, 3, 1 |
| .Ltmp4: |
| #DEBUG_VALUE: bar:a <- $r3 |
| .loc 1 9 3 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:9:3 |
| extsw 3, 3 |
| .Ltmp5: |
| blr |
| .Ltmp6: |
| .long 0 |
| .quad 0 |
| .Lfunc_end1: |
| .size bar, .Lfunc_end1-.Lfunc_begin1 |
| .cfi_endproc |
| # -- End function |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 10.0.0 (git@github.com:llvm/llvm-project.git e73f78acd34360f7450b81167d9dc858ccddc262)" # string offset=0 |
| .Linfo_string1: |
| .asciz "/work/llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c" # string offset=101 |
| .Linfo_string2: |
| .asciz "/work/scratch" # string offset=164 |
| .Linfo_string3: |
| .asciz "foo" # string offset=178 |
| .Linfo_string4: |
| .asciz "int" # string offset=182 |
| .Linfo_string5: |
| .asciz "bar" # string offset=186 |
| .Linfo_string6: |
| .asciz "a" # string offset=190 |
| .Linfo_string7: |
| .asciz "b" # string offset=192 |
| .Linfo_string8: |
| .asciz "c" # string offset=194 |
| .Linfo_string9: |
| .asciz "x" # string offset=196 |
| .Linfo_string10: |
| .asciz "y" # string offset=198 |
| .section .debug_loc,"",@progbits |
| .Ldebug_loc0: |
| .quad .Lfunc_begin0-.Lfunc_begin0 |
| .quad .Ltmp0-.Lfunc_begin0 |
| .short 3 # Loc expr size |
| .byte 144 # super-register DW_OP_regx |
| .byte 179 # 1203 |
| .byte 9 # |
| .quad 0 |
| .quad 0 |
| .Ldebug_loc1: |
| .quad .Ltmp0-.Lfunc_begin0 |
| .quad .Ltmp1-.Lfunc_begin0 |
| .short 3 # Loc expr size |
| .byte 144 # super-register DW_OP_regx |
| .byte 179 # 1203 |
| .byte 9 # |
| .quad 0 |
| .quad 0 |
| .Ldebug_loc2: |
| .quad .Ltmp1-.Lfunc_begin0 |
| .quad .Ltmp2-.Lfunc_begin0 |
| .short 3 # Loc expr size |
| .byte 144 # super-register DW_OP_regx |
| .byte 179 # 1203 |
| .byte 9 # |
| .quad 0 |
| .quad 0 |
| .Ldebug_loc3: |
| .quad .Lfunc_begin1-.Lfunc_begin0 |
| .quad .Ltmp5-.Lfunc_begin0 |
| .short 3 # Loc expr size |
| .byte 144 # super-register DW_OP_regx |
| .byte 179 # 1203 |
| .byte 9 # |
| .quad 0 |
| .quad 0 |
| .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 14 # DW_FORM_strp |
| .byte 19 # DW_AT_language |
| .byte 5 # DW_FORM_data2 |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 27 # DW_AT_comp_dir |
| .byte 14 # DW_FORM_strp |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 1 # DW_FORM_addr |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .ascii "\227B" # DW_AT_GNU_all_call_sites |
| .byte 25 # DW_FORM_flag_present |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 39 # DW_AT_prototyped |
| .byte 25 # DW_FORM_flag_present |
| .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 23 # DW_FORM_sec_offset |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .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 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 14 # DW_FORM_strp |
| .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 52 # DW_TAG_variable |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 23 # DW_FORM_sec_offset |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .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 6 # Abbreviation Code |
| .byte 36 # DW_TAG_base_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .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 0 # EOM(3) |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit |
| .Ldebug_info_start0: |
| .short 4 # DWARF version number |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0xb5 DW_TAG_compile_unit |
| .long .Linfo_string0 # DW_AT_producer |
| .short 12 # DW_AT_language |
| .long .Linfo_string1 # DW_AT_name |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .long .Linfo_string2 # DW_AT_comp_dir |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 2 # Abbrev [2] 0x2a:0x65 DW_TAG_subprogram |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 81 |
| # DW_AT_GNU_all_call_sites |
| .long .Linfo_string3 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| # DW_AT_prototyped |
| .long 184 # DW_AT_type |
| # DW_AT_external |
| .byte 3 # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter |
| .long .Ldebug_loc0 # DW_AT_location |
| .long .Linfo_string6 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 4 # Abbrev [4] 0x52:0xf DW_TAG_formal_parameter |
| .byte 3 # DW_AT_location |
| .byte 144 |
| .ascii "\264\t" |
| .long .Linfo_string7 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 4 # Abbrev [4] 0x61:0xf DW_TAG_formal_parameter |
| .byte 3 # DW_AT_location |
| .byte 144 |
| .ascii "\265\t" |
| .long .Linfo_string8 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 5 # Abbrev [5] 0x70:0xf DW_TAG_variable |
| .long .Ldebug_loc1 # DW_AT_location |
| .long .Linfo_string9 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 2 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 5 # Abbrev [5] 0x7f:0xf DW_TAG_variable |
| .long .Ldebug_loc2 # DW_AT_location |
| .long .Linfo_string10 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 3 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 2 # Abbrev [2] 0x8f:0x29 DW_TAG_subprogram |
| .quad .Lfunc_begin1 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 81 |
| # DW_AT_GNU_all_call_sites |
| .long .Linfo_string5 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 7 # DW_AT_decl_line |
| # DW_AT_prototyped |
| .long 184 # DW_AT_type |
| # DW_AT_external |
| .byte 3 # Abbrev [3] 0xa8:0xf DW_TAG_formal_parameter |
| .long .Ldebug_loc3 # DW_AT_location |
| .long .Linfo_string6 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 7 # DW_AT_decl_line |
| .long 184 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 6 # Abbrev [6] 0xb8:0x7 DW_TAG_base_type |
| .long .Linfo_string4 # DW_AT_name |
| .byte 5 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 0 # End Of Children Mark |
| .Ldebug_info_end0: |
| .ident "clang version 10.0.0 (git@github.com:llvm/llvm-project.git e73f78acd34360f7450b81167d9dc858ccddc262)" |
| .section ".note.GNU-stack","",@progbits |
| .addrsig |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
