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llvm-mirror/test/DebugInfo/X86/dwarfdump-str-offsets-macho.s
Wolfgang Pieb 6312861130 [DWARF] Fixing a bug in DWARF v5 string offsets tables where the length encoded the contribution
length excluding the table header. Instead it must encode the contribution length minus the length
field itself.

Reviewer: JDevliegehere

Differential Revision: https://reviews.llvm.org/D45922

llvm-svn: 332030
2018-05-10 20:02:34 +00:00

269 lines
10 KiB
ArmAsm

# RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o %t.o
# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=COMMON %s
#
# Test object to verify dwarfdump handles v5 string offset tables in Mach-O.
# This is similar to dwarfdump-str-offsets.s with 2 CUs and 1 TU, but no
# split sections.
#
.section __DWARF,__debug_str,regular,debug
Linfo_string:
.asciz "Handmade DWARF producer"
str_CU1:
.asciz "Compile_Unit_1"
str_CU1_dir:
.asciz "/home/test/CU1"
str_CU2:
.asciz "Compile_Unit_2"
str_CU2_dir:
.asciz "/home/test/CU2"
str_TU:
.asciz "Type_Unit"
str_TU_type:
.asciz "MyStruct"
str_Subprogram:
.asciz "MyFunc"
str_Variable1:
.asciz "MyVar1"
str_Variable2:
.asciz "MyVar2"
str_Variable3:
.asciz "MyVar3"
.section __DWARF,__debug_str_offs,regular,debug
Ldebug_str_offsets:
.long Ldebug_str_offsets_segment0_end-Ldebug_str_offsets_base0+4
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base0:
.long str_producer
.long str_CU1
.long str_CU1_dir
.long str_Subprogram
.long str_Variable1
.long str_Variable2
.long str_Variable3
Ldebug_str_offsets_segment0_end:
# A 4-byte gap.
.long 0
# CU2's contribution (DWARF64 format)
.long 0xffffffff
.quad Ldebug_str_offsets_segment1_end-Ldebug_str_offsets_base1+4
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base1:
.quad str_producer
.quad str_CU2
.quad str_CU2_dir
Ldebug_str_offsets_segment1_end:
# The TU's contribution
.long Ldebug_str_offsets_segment2_end-Ldebug_str_offsets_base2+4
.short 5 # DWARF version
.short 0 # Padding
Ldebug_str_offsets_base2:
.long str_TU
.long str_TU_type
Ldebug_str_offsets_segment2_end:
.section __DWARF,__debug_abbrev,regular,debug
Lsection_abbrev:
.byte 0x01 # Abbrev code
.byte 0x11 # DW_TAG_compile_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x25 # DW_AT_producer
.byte 0x1a # DW_FORM_strx
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x1b # DW_AT_comp_dir
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x02 # Abbrev code
.byte 0x41 # DW_TAG_type_unit
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x72 # DW_AT_str_offsets_base
.byte 0x17 # DW_FORM_sec_offset
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x03 # Abbrev code
.byte 0x13 # DW_TAG_structure_type
.byte 0x00 # DW_CHILDREN_no (no members)
.byte 0x03 # DW_AT_name
.byte 0x1a # DW_FORM_strx
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x04 # Abbrev code
.byte 0x2e # DW_TAG_subprogram
.byte 0x01 # DW_CHILDREN_yes
.byte 0x03 # DW_AT_name
.byte 0x25 # DW_FORM_strx1
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x05 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x26 # DW_FORM_strx2
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x06 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x27 # DW_FORM_strx3
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x07 # Abbrev code
.byte 0x34 # DW_TAG_variable
.byte 0x00 # DW_CHILDREN_no
.byte 0x03 # DW_AT_name
.byte 0x28 # DW_FORM_strx4
.byte 0x00 # EOM(1)
.byte 0x00 # EOM(2)
.byte 0x00 # EOM(3)
.section __DWARF,__debug_info,regular,debug
Lsection_info:
# DWARF v5 CU header.
.long CU1_5_end-CU1_5_version # Length of Unit
CU1_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base0-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
# A subprogram DIE with DW_AT_name, using DW_FORM_strx1.
.byte 4 # Abbreviation code
.byte 3 # Subprogram name string (DW_FORM_strx1)
# A variable DIE with DW_AT_name, using DW_FORM_strx2.
.byte 5 # Abbreviation code
.short 0x0004 # Subprogram name string (DW_FORM_strx2)
# A variable DIE with DW_AT_name, using DW_FORM_strx3.
.byte 6 # Abbreviation code
.byte 5 # Subprogram name string (DW_FORM_strx3)
.short 0 # Subprogram name string (DW_FORM_strx3)
# A variable DIE with DW_AT_name, using DW_FORM_strx4.
.byte 7 # Abbreviation code
.quad 0x00000006 # Subprogram name string (DW_FORM_strx4)
.byte 0 # NULL
.byte 0 # NULL
.byte 0 # NULL
CU1_5_end:
# DWARF v5 CU header
.long CU2_5_end-CU2_5_version # Length of Unit
CU2_5_version:
.short 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
# The compile-unit DIE, which has a DW_AT_producer, DW_AT_name,
# DW_AT_str_offsets and DW_AT_compdir.
.byte 1 # Abbreviation code
.byte 0 # The index of the producer string
.byte 1 # The index of the CU name string
.long Ldebug_str_offsets_base1-Ldebug_str_offsets
.byte 2 # The index of the comp dir string
.byte 0 # NULL
CU2_5_end:
.section __DWARF,__debug_types,regular,debug
# DWARF v5 Type unit header.
TU_5_start:
.long TU_5_end-TU_5_version # Length of Unit
TU_5_version:
.short 5 # DWARF version number
.byte 2 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long 0 # Offset Into Abbrev. Section
.quad 0x0011223344556677 # Type Signature
.long TU_5_type-TU_5_start # Type offset
# The type-unit DIE, which has a name.
.byte 2 # Abbreviation code
.byte 0 # Index of the unit type name string
.long Ldebug_str_offsets_base2-Ldebug_str_offsets # offset into the str_offsets section
# The type DIE, which has a name.
TU_5_type:
.byte 3 # Abbreviation code
.byte 1 # Index of the type name string
.byte 0 # NULL
.byte 0 # NULL
TU_5_end:
.subsections_via_symbols
# We are using a hand-constructed object file and are interest in the correct
# diplay of the DW_str_offsetsbase attribute and the correct display of strings.
#
# Abbreviation for DW_AT_str_offsets_base
# COMMON: .debug_abbrev contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NOT: DW_TAG
# COMMON: DW_AT_str_offsets_base DW_FORM_sec_offset
#
# Verify that strings are displayed correctly as indexed strings
# COMMON: .debug_info contents:
# COMMON-NOT: contents:
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_1")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_subprogram
# COMMON-NEXT: DW_AT_name [DW_FORM_strx1] ( indexed (00000003) string = "MyFunc")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx2] ( indexed (00000004) string = "MyVar1")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx3] ( indexed (00000005) string = "MyVar2")
# COMMON-NOT: NULL
# COMMON: DW_TAG_variable
# COMMON-NEXT: DW_AT_name [DW_FORM_strx4] ( indexed (00000006) string = "MyVar3")
#
# Second compile unit (b.cpp)
# COMMON: DW_TAG_compile_unit
# COMMON-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade DWARF producer")
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "Compile_Unit_2")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000038)
# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
#
# The type unit
# COMMON: .debug_types contents:
# COMMON: DW_TAG_type_unit
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "Type_Unit")
# COMMON-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000058)
# COMMON: DW_TAG_structure_type
# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
#
# The .debug_str_offsets section
# COMMON: .debug_str_offsets contents:
# COMMON-NEXT: 0x00000000: Contribution size = 32, Format = DWARF32, Version = 5
# COMMON-NEXT: 0x00000008: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x0000000c: 00000018 "Compile_Unit_1"
# COMMON-NEXT: 0x00000010: 00000027 "/home/test/CU1"
# COMMON-NEXT: 0x00000014: 00000067 "MyFunc"
# COMMON-NEXT: 0x00000018: 0000006e "MyVar1"
# COMMON-NEXT: 0x0000001c: 00000075 "MyVar2"
# COMMON-NEXT: 0x00000020: 0000007c "MyVar3"
# COMMON-NEXT: 0x00000024: Gap, length = 4
# COMMON-NEXT: 0x00000028: Contribution size = 28, Format = DWARF64, Version = 5
# COMMON-NEXT: 0x00000038: 00000000 "Handmade DWARF producer"
# COMMON-NEXT: 0x00000040: 00000036 "Compile_Unit_2"
# COMMON-NEXT: 0x00000048: 00000045 "/home/test/CU2"
# COMMON-NEXT: 0x00000050: Contribution size = 12, Format = DWARF32, Version = 5
# COMMON-NEXT: 0x00000058: 00000054 "Type_Unit"
# COMMON-NEXT: 0x0000005c: 0000005e "MyStruct"