| # REQUIRES: system-linux |
| |
| # RUN: llvm-mc -dwarf-version=5 -filetype=obj -triple x86_64-unknown-linux %s -o %tmain.o |
| # RUN: %clang %cflags -dwarf-5 %tmain.o -o %t.exe -Wl,-q |
| # RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections |
| # RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s |
| # RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s |
| |
| # This test checks that we correctly encode new index into .debug_addr section |
| # from DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x#) |
| |
| # PRECHECK: version = 0x0005 |
| # PRECHECK: DW_TAG_variable |
| # PRECHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x0) |
| # PRECHECK: DW_TAG_variable |
| # PRECHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x1) |
| # PRECHECK-EMPTY: |
| |
| # POSTCHECK: version = 0x0005 |
| # POSTCHECK: DW_TAG_variable |
| # POSTCHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x2) |
| # POSTCHECK-EMPTY: |
| # POSTCHECK: DW_TAG_variable |
| # POSTCHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_addrx 0x3) |
| # POSTCHECK-EMPTY: |
| |
| # clang++ main.cpp -g -O2 |
| # void use(int * x, int * y) { |
| # *x += 4; |
| # *y -= 2; |
| # } |
| # |
| # int x = 0; |
| # int y = 1; |
| # int main(int argc, char *argv[]) { |
| # x = argc; |
| # y = argc + 3; |
| # use(&x, &y); |
| # return x + y; |
| # } |
| |
| .text |
| .file "main.cpp" |
| .file 0 "/testLocExprLoc" "main.cpp" md5 0xd4fd79ce0087c4cefd089752bf2182c6 |
| .globl _Z3usePiS_ # -- Begin function _Z3usePiS_ |
| .p2align 4, 0x90 |
| .type _Z3usePiS_,@function |
| _Z3usePiS_: # @_Z3usePiS_ |
| .Lfunc_begin0: |
| .loc 0 1 0 # main.cpp:1:0 |
| .cfi_startproc |
| # %bb.0: # %entry |
| #DEBUG_VALUE: use:x <- $rdi |
| #DEBUG_VALUE: use:y <- $rsi |
| .loc 0 2 4 prologue_end # main.cpp:2:4 |
| addl $4, (%rdi) |
| .loc 0 3 4 # main.cpp:3:4 |
| addl $-2, (%rsi) |
| .loc 0 4 1 # main.cpp:4:1 |
| retq |
| .Ltmp0: |
| .Lfunc_end0: |
| .size _Z3usePiS_, .Lfunc_end0-_Z3usePiS_ |
| .cfi_endproc |
| # -- End function |
| .globl main # -- Begin function main |
| .p2align 4, 0x90 |
| .type main,@function |
| main: # @main |
| .Lfunc_begin1: |
| .loc 0 8 0 # main.cpp:8:0 |
| .cfi_startproc |
| # %bb.0: # %entry |
| #DEBUG_VALUE: main:argc <- $edi |
| #DEBUG_VALUE: main:argv <- $rsi |
| # kill: def $edi killed $edi def $rdi |
| .loc 0 2 4 prologue_end # main.cpp:2:4 |
| leal 4(%rdi), %eax |
| movl %eax, x(%rip) |
| .Ltmp1: |
| #DEBUG_VALUE: use:x <- undef |
| .loc 0 3 4 # main.cpp:3:4 |
| leal 1(%rdi), %eax |
| movl %eax, y(%rip) |
| .Ltmp2: |
| #DEBUG_VALUE: use:y <- undef |
| .loc 0 12 13 # main.cpp:12:13 |
| leal (%rdi,%rdi), %eax |
| addl $5, %eax |
| .loc 0 12 4 is_stmt 0 # main.cpp:12:4 |
| retq |
| .Ltmp3: |
| .Lfunc_end1: |
| .size main, .Lfunc_end1-main |
| .cfi_endproc |
| # -- End function |
| .type x,@object # @x |
| .bss |
| .globl x |
| .p2align 2 |
| x: |
| .long 0 # 0x0 |
| .size x, 4 |
| |
| .type y,@object # @y |
| .data |
| .globl y |
| .p2align 2 |
| y: |
| .long 1 # 0x1 |
| .size y, 4 |
| |
| .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 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 115 # DW_AT_addr_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 2 # Abbreviation Code |
| .byte 52 # DW_TAG_variable |
| .byte 0 # DW_CHILDREN_no |
| .byte 3 # DW_AT_name |
| .byte 37 # DW_FORM_strx1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 2 # DW_AT_location |
| .byte 24 # DW_FORM_exprloc |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 3 # 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 4 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 122 # DW_AT_call_all_calls |
| .byte 25 # DW_FORM_flag_present |
| .byte 49 # DW_AT_abstract_origin |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 5 # Abbreviation Code |
| .byte 5 # DW_TAG_formal_parameter |
| .byte 0 # DW_CHILDREN_no |
| .byte 2 # DW_AT_location |
| .byte 24 # DW_FORM_exprloc |
| .byte 49 # DW_AT_abstract_origin |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 6 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .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 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .byte 32 # DW_AT_inline |
| .byte 33 # DW_FORM_implicit_const |
| .byte 1 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 7 # Abbreviation Code |
| .byte 5 # DW_TAG_formal_parameter |
| .byte 0 # DW_CHILDREN_no |
| .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 8 # 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 9 # Abbreviation Code |
| .byte 46 # DW_TAG_subprogram |
| .byte 1 # DW_CHILDREN_yes |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 122 # DW_AT_call_all_calls |
| .byte 25 # DW_FORM_flag_present |
| .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 10 # 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 11 # Abbreviation Code |
| .byte 29 # DW_TAG_inlined_subroutine |
| .byte 0 # DW_CHILDREN_no |
| .byte 49 # DW_AT_abstract_origin |
| .byte 19 # DW_FORM_ref4 |
| .byte 17 # DW_AT_low_pc |
| .byte 27 # DW_FORM_addrx |
| .byte 18 # DW_AT_high_pc |
| .byte 6 # DW_FORM_data4 |
| .byte 88 # DW_AT_call_file |
| .byte 11 # DW_FORM_data1 |
| .byte 89 # DW_AT_call_line |
| .byte 11 # DW_FORM_data1 |
| .byte 87 # DW_AT_call_column |
| .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 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:0xa7 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 |
| .byte 2 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc |
| .long .Laddr_table_base0 # DW_AT_addr_base |
| .byte 2 # Abbrev [2] 0x23:0xb DW_TAG_variable |
| .byte 3 # DW_AT_name |
| .long 46 # DW_AT_type |
| # DW_AT_external |
| .byte 0 # DW_AT_decl_file |
| .byte 6 # DW_AT_decl_line |
| .byte 2 # DW_AT_location |
| .byte 161 |
| .byte 0 |
| .byte 3 # Abbrev [3] 0x2e:0x4 DW_TAG_base_type |
| .byte 4 # DW_AT_name |
| .byte 5 # DW_AT_encoding |
| .byte 4 # DW_AT_byte_size |
| .byte 2 # Abbrev [2] 0x32:0xb DW_TAG_variable |
| .byte 5 # DW_AT_name |
| .long 46 # DW_AT_type |
| # DW_AT_external |
| .byte 0 # DW_AT_decl_file |
| .byte 7 # DW_AT_decl_line |
| .byte 2 # DW_AT_location |
| .byte 161 |
| .byte 1 |
| .byte 4 # Abbrev [4] 0x3d:0x1b DW_TAG_subprogram |
| .byte 2 # DW_AT_low_pc |
| .long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| # DW_AT_call_all_calls |
| .long 88 # DW_AT_abstract_origin |
| .byte 5 # Abbrev [5] 0x49:0x7 DW_TAG_formal_parameter |
| .byte 1 # DW_AT_location |
| .byte 85 |
| .long 93 # DW_AT_abstract_origin |
| .byte 5 # Abbrev [5] 0x50:0x7 DW_TAG_formal_parameter |
| .byte 1 # DW_AT_location |
| .byte 84 |
| .long 101 # DW_AT_abstract_origin |
| .byte 0 # End Of Children Mark |
| .byte 6 # Abbrev [6] 0x58:0x16 DW_TAG_subprogram |
| .byte 6 # DW_AT_linkage_name |
| .byte 7 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| # DW_AT_external |
| # DW_AT_inline |
| .byte 7 # Abbrev [7] 0x5d:0x8 DW_TAG_formal_parameter |
| .byte 3 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 110 # DW_AT_type |
| .byte 7 # Abbrev [7] 0x65:0x8 DW_TAG_formal_parameter |
| .byte 5 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 110 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 8 # Abbrev [8] 0x6e:0x5 DW_TAG_pointer_type |
| .long 46 # DW_AT_type |
| .byte 9 # Abbrev [9] 0x73:0x31 DW_TAG_subprogram |
| .byte 3 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| # DW_AT_call_all_calls |
| .byte 8 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 8 # DW_AT_decl_line |
| .long 46 # DW_AT_type |
| # DW_AT_external |
| .byte 10 # Abbrev [10] 0x82:0xa DW_TAG_formal_parameter |
| .byte 1 # DW_AT_location |
| .byte 85 |
| .byte 9 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 8 # DW_AT_decl_line |
| .long 46 # DW_AT_type |
| .byte 10 # Abbrev [10] 0x8c:0xa DW_TAG_formal_parameter |
| .byte 1 # DW_AT_location |
| .byte 84 |
| .byte 10 # DW_AT_name |
| .byte 0 # DW_AT_decl_file |
| .byte 8 # DW_AT_decl_line |
| .long 164 # DW_AT_type |
| .byte 11 # Abbrev [11] 0x96:0xd DW_TAG_inlined_subroutine |
| .long 88 # DW_AT_abstract_origin |
| .byte 3 # DW_AT_low_pc |
| .long .Ltmp2-.Lfunc_begin1 # DW_AT_high_pc |
| .byte 0 # DW_AT_call_file |
| .byte 11 # DW_AT_call_line |
| .byte 4 # DW_AT_call_column |
| .byte 0 # End Of Children Mark |
| .byte 8 # Abbrev [8] 0xa4:0x5 DW_TAG_pointer_type |
| .long 169 # DW_AT_type |
| .byte 8 # Abbrev [8] 0xa9:0x5 DW_TAG_pointer_type |
| .long 174 # DW_AT_type |
| .byte 3 # Abbrev [3] 0xae:0x4 DW_TAG_base_type |
| .byte 11 # 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_str_offsets,"",@progbits |
| .long 52 # Length of String Offsets Set |
| .short 5 |
| .short 0 |
| .Lstr_offsets_base0: |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 15.0.0" # string offset=0 |
| .Linfo_string1: |
| .asciz "main.cpp" # string offset=134 |
| .Linfo_string2: |
| .asciz "/testLocExprLoc" # string offset=143 |
| .Linfo_string3: |
| .asciz "x" # string offset=195 |
| .Linfo_string4: |
| .asciz "int" # string offset=197 |
| .Linfo_string5: |
| .asciz "y" # string offset=201 |
| .Linfo_string6: |
| .asciz "_Z3usePiS_" # string offset=203 |
| .Linfo_string7: |
| .asciz "use" # string offset=214 |
| .Linfo_string8: |
| .asciz "main" # string offset=218 |
| .Linfo_string9: |
| .asciz "argc" # string offset=223 |
| .Linfo_string10: |
| .asciz "argv" # string offset=228 |
| .Linfo_string11: |
| .asciz "char" # string offset=233 |
| .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 |
| .long .Linfo_string11 |
| .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 x |
| .quad y |
| .quad .Lfunc_begin0 |
| .quad .Lfunc_begin1 |
| .Ldebug_addr_end0: |
| .ident "clang version 15.0.0" |
| .section ".note.GNU-stack","",@progbits |
| .addrsig |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
