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# RUN: llvm-mc %s -filetype obj -triple x86_64-linux-elf -o - \
# RUN: | llvm-dwarfdump --debug-loc - \
# RUN: | FileCheck %s
# RUN: llvm-mc %s -filetype obj -triple x86_64-linux-elf -o - \
# RUN: | llvm-dwarfdump --verify - \
# RUN: | FileCheck %s --check-prefix VERIFY
# CHECK: .debug_loc contents:
# CHECK: 0x00000000:
# CHECK-NEXT: (0x0000000000000000, 0x0000000000000003): DW_OP_reg5 RDI
# CHECK-NEXT: (0x0000000000000003, 0x0000000000000004): DW_OP_reg0 RAX
# CHECK: 0x00000036:
# CHECK-NEXT: (0x0000000000000010, 0x0000000000000013): DW_OP_reg5 RDI
# CHECK-NEXT: (0x0000000000000013, 0x0000000000000014): DW_OP_reg0 RAX
# VERIFY: Verifying .debug_info Unit Header Chain
# VERIFY-NOT: DIE has invalid DW_AT_location encoding
# Source:
# int* foo(int* i) { return i; }
# int* bar(int* i) { return i; }
# Compile with:
# clang -g -O3 test.c -S -o debugloc.s
.text
.file "test.c"
.globl foo
.align 16, 0x90
.type foo,@function
foo: # @foo
.Lfunc_begin0:
.file 1 "test.c"
.loc 1 1 0 # test.c:1:0
.cfi_startproc
# %bb.0:
#DEBUG_VALUE: foo:i <- %RDI
.loc 1 2 3 prologue_end # test.c:2:3
movq %rdi, %rax
.Ltmp0:
#DEBUG_VALUE: foo:i <- %RAX
retq
.Ltmp1:
.Lfunc_end0:
.size foo, .Lfunc_end0-foo
.cfi_endproc
.globl bar
.align 16, 0x90
.type bar,@function
bar: # @bar
.Lfunc_begin1:
.loc 1 5 0 # test.c:5:0
.cfi_startproc
# %bb.0:
#DEBUG_VALUE: bar:i <- %RDI
.loc 1 6 3 prologue_end # test.c:6:3
movq %rdi, %rax
.Ltmp2:
#DEBUG_VALUE: bar:i <- %RAX
retq
.Ltmp3:
.Lfunc_end1:
.size bar, .Lfunc_end1-bar
.cfi_endproc
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)" # string offset=0
.Linfo_string1:
.asciz "test.c" # string offset=54
.Linfo_string2:
.asciz "/tmp" # string offset=61
.Linfo_string3:
.asciz "foo" # string offset=66
.Linfo_string4:
.asciz "int" # string offset=70
.Linfo_string5:
.asciz "bar" # string offset=74
.Linfo_string6:
.asciz "i" # string offset=78
.section .debug_loc,"",@progbits
.Ldebug_loc0:
.quad .Lfunc_begin0-.Lfunc_begin0
.quad .Ltmp0-.Lfunc_begin0
.short 1 # Loc expr size
.byte 85 # DW_OP_reg5
.quad .Ltmp0-.Lfunc_begin0
.quad .Lfunc_end0-.Lfunc_begin0
.short 1 # Loc expr size
.byte 80 # DW_OP_reg0
.quad 0
.quad 0
.Ldebug_loc1:
.quad .Lfunc_begin1-.Lfunc_begin0
.quad .Ltmp2-.Lfunc_begin0
.short 1 # Loc expr size
.byte 85 # DW_OP_reg5
.quad .Ltmp2-.Lfunc_begin0
.quad .Lfunc_end1-.Lfunc_begin0
.short 1 # Loc expr size
.byte 80 # DW_OP_reg0
.quad 0
.quad 0
.section .debug_abbrev,"",@progbits
.Lsection_abbrev:
.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
.ascii "\341\177" # DW_AT_APPLE_optimized
.byte 25 # DW_FORM_flag_present
.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
.ascii "\347\177" # DW_AT_APPLE_omit_frame_ptr
.byte 25 # DW_FORM_flag_present
.byte 64 # DW_AT_frame_base
.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 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
.ascii "\341\177" # DW_AT_APPLE_optimized
.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 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 5 # 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
.Lsection_info:
.Lcu_begin0:
.long 133 # Length of Unit
.short 4 # DWARF version number
.long .Lsection_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x7e 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
# DW_AT_APPLE_optimized
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc
.byte 2 # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
# DW_AT_APPLE_omit_frame_ptr
.byte 1 # DW_AT_frame_base
.byte 87
.long .Linfo_string3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
# DW_AT_prototyped
.long 124 # DW_AT_type
# DW_AT_external
# DW_AT_APPLE_optimized
.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 124 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 2 # Abbrev [2] 0x53:0x29 DW_TAG_subprogram
.quad .Lfunc_begin1 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
# DW_AT_APPLE_omit_frame_ptr
.byte 1 # DW_AT_frame_base
.byte 87
.long .Linfo_string5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 5 # DW_AT_decl_line
# DW_AT_prototyped
.long 124 # DW_AT_type
# DW_AT_external
# DW_AT_APPLE_optimized
.byte 3 # Abbrev [3] 0x6c:0xf DW_TAG_formal_parameter
.long .Ldebug_loc1 # DW_AT_location
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 5 # DW_AT_decl_line
.long 124 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x7c:0x5 DW_TAG_pointer_type
.long 129 # DW_AT_type
.byte 5 # Abbrev [5] 0x81:0x7 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
.section .debug_ranges,"",@progbits
.Ldebug_range:
.section .debug_macinfo,"",@progbits
.byte 0 # End Of Macro List Mark
.section .debug_pubnames,"",@progbits
.long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
.LpubNames_begin0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 137 # Compilation Unit Length
.long 42 # DIE offset
.asciz "foo" # External Name
.long 83 # DIE offset
.asciz "bar" # External Name
.long 0 # End Mark
.LpubNames_end0:
.section .debug_pubtypes,"",@progbits
.long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info
.LpubTypes_begin0:
.short 2 # DWARF Version
.long .Lcu_begin0 # Offset of Compilation Unit Info
.long 137 # Compilation Unit Length
.long 129 # DIE offset
.asciz "int" # External Name
.long 0 # End Mark
.LpubTypes_end0:
.ident "clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)"
.section ".note.GNU-stack","",@progbits
.section .debug_line,"",@progbits
.Lline_table_start0:
|
