dwarfdump-header-64.s
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# Test object to verify dwarfdump handles a DWARF-64 v5 line header.
# FIXME: Make the other headers DWARF-64 also.
# FIXME: Add variants for earlier DWARF versions.
# RUN: llvm-mc -triple x86_64-unknown-linux --defsym ELF=0 \
# RUN: -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
# RUN: llvm-mc -triple x86_64-apple-darwin --defsym MACHO=0 \
# RUN: -filetype=obj -o - %s | llvm-dwarfdump -v - | FileCheck %s
.ifdef ELF
.section .debug_str,"MS",@progbits,1
.endif
.ifdef MACHO
.section __DWARF,__debug_str,regular,debug
.endif
str_producer:
.asciz "Handmade DWARF producer"
str_CU_5:
.asciz "V5_compile_unit"
str_LT_5a:
.asciz "Directory5a"
str_LT_5b:
.asciz "Directory5b"
.ifdef ELF
.section .debug_abbrev,"",@progbits
.endif
.ifdef MACHO
.section __DWARF,__debug_abbrev,regular,debug
.endif
abbrev:
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x00 # DW_CHILDREN_no
.byte 0x25 # DW_AT_producer
.byte 0x0e # DW_FORM_strp
.byte 0x03 # DW_AT_name
.byte 0x0e # DW_FORM_strp
.byte 0x10 # DW_AT_stmt_list
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.ifdef ELF
.section .debug_info,"",@progbits
.endif
.ifdef MACHO
.section __DWARF,__debug_info,regular,debug
.endif
# DWARF-32 v5 normal CU header.
Lset0 = CU_5_end-CU_5_version # Length of Unit
.long Lset0
CU_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.ifdef ELF
.long abbrev # Offset Into Abbrev. Section
.endif
.ifdef MACHO
.long 0
.endif
# The compile-unit DIE, with DW_AT_producer, DW_AT_name, DW_AT_stmt_list.
.byte 1
.long str_producer
.long str_CU_5
.ifdef ELF
.long LH_5_start
.endif
.ifdef MACHO
.long 0
.endif
.byte 0 # NULL
CU_5_end:
# CHECK-LABEL: .debug_info contents:
# CHECK: 0x00000000: Compile Unit: length = 0x00000016 version = 0x0005 unit_type = DW_UT_compile abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x0000001a)
# CHECK: 0x0000000c: DW_TAG_compile_unit
# CHECK-NEXT: DW_AT_producer {{.*}} "Handmade DWARF producer"
# CHECK-NEXT: DW_AT_name {{.*}} "V5_compile_unit"
# CHECK-NEXT: DW_AT_stmt_list {{.*}} (0x00000000)
.ifdef ELF
.section .debug_line,"",@progbits
.endif
.ifdef MACHO
.section __DWARF,__debug_line,regular,debug
.endif
# DWARF-64 v5 line-table header.
LH_5_start:
.long -1
Lset1 = LH_5_end-LH_5_version # Length of Unit
.quad Lset1
LH_5_version:
.short 5 # DWARF version number
.byte 8 # Address Size
.byte 0 # Segment Selector Size
Lset2 = LH_5_header_end-LH_5_params # Length of Prologue
.quad Lset2
LH_5_params:
.byte 1 # Minimum Instruction Length
.byte 1 # Maximum Operations per Instruction
.byte 1 # Default is_stmt
.byte -5 # Line Base
.byte 14 # Line Range
.byte 13 # Opcode Base
.byte 0 # Standard Opcode Lengths
.byte 1
.byte 1
.byte 1
.byte 1
.byte 0
.byte 0
.byte 0
.byte 1
.byte 0
.byte 0
.byte 1
# Directory table format
.byte 1 # One element per directory entry
.byte 1 # DW_LNCT_path
.byte 0x0e # DW_FORM_strp (-> .debug_str)
# Directory table entries
.byte 2 # Two directories
.quad str_LT_5a
.quad str_LT_5b
# File table format
.byte 4 # Four elements per file entry
.byte 1 # DW_LNCT_path
.byte 0x08 # DW_FORM_string
.byte 2 # DW_LNCT_directory_index
.byte 0x0b # DW_FORM_data1
.byte 3 # DW_LNCT_timestamp
.byte 0x0f # DW_FORM_udata
.byte 4 # DW_LNCT_size
.byte 0x0f # DW_FORM_udata
# File table entries
.byte 2 # Two files
.asciz "File5a"
.byte 0
.byte 0x51
.byte 0x52
.asciz "File5b"
.byte 1
.byte 0x53
.byte 0x54
LH_5_header_end:
# Line number program, which is empty.
LH_5_end:
# CHECK-LABEL: .debug_line contents:
# CHECK: Line table prologue:
# CHECK: total_length: 0x00000050
# CHECK: version: 5
# CHECK: address_size: 8
# CHECK: seg_select_size: 0
# CHECK: prologue_length: 0x00000044
# CHECK: max_ops_per_inst: 1
# CHECK: include_directories[ 0] = .debug_str[0x00000028] = "Directory5a"
# CHECK: include_directories[ 1] = .debug_str[0x00000034] = "Directory5b"
# CHECK-NOT: include_directories
# CHECK: file_names[ 0]:
# CHECK-NEXT: name: "File5a"
# CHECK-NEXT: dir_index: 0
# CHECK-NEXT: mod_time: 0x00000051
# CHECK-NEXT: length: 0x00000052
# CHECK: file_names[ 1]:
# CHECK-NEXT: name: "File5b"
# CHECK-NEXT: dir_index: 1
# CHECK-NEXT: mod_time: 0x00000053
# CHECK-NEXT: length: 0x00000054
# CHECK-NOT: file_names