xref: /llvm-project/llvm/test/tools/llvm-dwarfdump/X86/debugloc.s (revision 0908093977b2b80d00baa12f0b2f1424dde096fb)

# 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: