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-rw-r--r--llvm/test/DebugInfo/X86/dwarfdump-str-offsets.s396
1 files changed, 396 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/dwarfdump-str-offsets.s b/llvm/test/DebugInfo/X86/dwarfdump-str-offsets.s
new file mode 100644
index 00000000000..5fbef186af6
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+++ b/llvm/test/DebugInfo/X86/dwarfdump-str-offsets.s
@@ -0,0 +1,396 @@
+# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
+# RUN: llvm-dwarfdump -v %t.o | FileCheck --check-prefix=COMMON --check-prefix=SPLIT %s
+
+# Test object to verify dwarfdump handles v5 string offset tables.
+# We have 2 v5 CUs, a v5 TU, and a split v5 CU and TU.
+#
+
+ .section .debug_str,"MS",@progbits,1
+str_producer:
+ .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"
+
+# Every unit contributes to the string_offsets table.
+ .section .debug_str_offsets,"",@progbits
+# CU1's contribution
+ .long .debug_str_offsets_segment0_end-.debug_str_offsets_base0
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_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
+.debug_str_offsets_segment0_end:
+# CU2's contribution
+ .long .debug_str_offsets_segment1_end-.debug_str_offsets_base1
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_str_offsets_base1:
+ .long str_producer
+ .long str_CU2
+ .long str_CU2_dir
+.debug_str_offsets_segment1_end:
+# The TU's contribution
+ .long .debug_str_offsets_segment2_end-.debug_str_offsets_base2
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_str_offsets_base2:
+ .long str_TU
+ .long str_TU_type
+.debug_str_offsets_segment2_end:
+
+ .section .debug_str.dwo,"MS",@progbits,1
+dwo_str_CU_5_producer:
+ .asciz "Handmade split DWARF producer"
+dwo_str_CU_5_name:
+ .asciz "V5_split_compile_unit"
+dwo_str_CU_5_comp_dir:
+ .asciz "/home/test/splitCU"
+dwo_str_TU_5:
+ .asciz "V5_split_type_unit"
+dwo_str_TU_5_type:
+ .asciz "V5_split_Mystruct"
+
+ .section .debug_str_offsets.dwo,"",@progbits
+# The split CU's contribution
+ .long .debug_dwo_str_offsets_segment0_end-.debug_dwo_str_offsets_base0
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_dwo_str_offsets_base0:
+ .long dwo_str_CU_5_producer-.debug_str.dwo
+ .long dwo_str_CU_5_name-.debug_str.dwo
+ .long dwo_str_CU_5_comp_dir-.debug_str.dwo
+.debug_dwo_str_offsets_segment0_end:
+# The split TU's contribution
+ .long .debug_dwo_str_offsets_segment1_end-.debug_dwo_str_offsets_base1
+ .short 5 # DWARF version
+ .short 0 # Padding
+.debug_dwo_str_offsets_base1:
+ .long dwo_str_TU_5-.debug_str.dwo
+ .long dwo_str_TU_5_type-.debug_str.dwo
+.debug_dwo_str_offsets_segment1_end:
+
+# All CUs/TUs use the same abbrev section for simplicity.
+ .section .debug_abbrev,"",@progbits
+ .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)
+
+# And a .dwo copy of a subset for the .dwo sections.
+ .section .debug_abbrev.dwo,"",@progbits
+ .byte 0x01 # Abbrev code
+ .byte 0x11 # DW_TAG_compile_unit
+ .byte 0x00 # DW_CHILDREN_no
+ .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 0x00 # EOM(3)
+
+ .section .debug_info,"",@progbits
+
+# 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 .debug_abbrev # 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 .debug_str_offsets_base0
+ .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 .debug_abbrev # 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 .debug_str_offsets_base1
+ .byte 2 # The index of the comp dir string
+ .byte 0 # NULL
+CU2_5_end:
+
+ .section .debug_types,"",@progbits
+# 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 .debug_abbrev # 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 .debug_str_offsets_base2 # 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:
+
+ .section .debug_info.dwo,"",@progbits
+
+# DWARF v5 split CU header.
+ .long CU_split_5_end-CU_split_5_version # Length of Unit
+CU_split_5_version:
+ .short 5 # DWARF version number
+ .byte 1 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ .long .debug_abbrev.dwo # 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 .debug_dwo_str_offsets_base0-.debug_str_offsets.dwo
+ .byte 2 # The index of the comp dir string
+ .byte 0 # NULL
+CU_split_5_end:
+
+ .section .debug_types.dwo,"",@progbits
+
+# DWARF v5 split type unit header.
+TU_split_5_start:
+ .long TU_split_5_end-TU_split_5_version # Length of Unit
+TU_split_5_version:
+ .short 5 # DWARF version number
+ .byte 6 # DWARF Unit Type
+ .byte 8 # Address Size (in bytes)
+ .long .debug_abbrev.dwo # Offset Into Abbrev Section
+ .quad 0x8899aabbccddeeff # Type Signature
+ .long TU_split_5_type-TU_split_5_start # Type offset
+# The type-unit DIE, which has a name.
+ .byte 2 # Abbreviation code
+ .byte 0 # The index of the type unit name string
+ .long .debug_dwo_str_offsets_base1-.debug_str_offsets.dwo
+# The type DIE, which has a name.
+TU_split_5_type:
+ .byte 3 # Abbreviation code
+ .byte 1 # The index of the type name string
+ .byte 0 # NULL
+ .byte 0 # NULL
+TU_split_5_end:
+
+# We are using a hand-constructed object file and are interest in the correct
+# diplay of the DW_str_offsetsbase attribute, the correct display of strings
+# and the dump of the .debug_str_offsets[.dwo] table.
+
+# 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] (0x0000002c)
+# COMMON-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/CU2")
+#
+# The split CU
+# SPLIT: .debug_info.dwo contents:
+# SPLIT-NOT: contents:
+# SPLIT: DW_TAG_compile_unit
+# SPLIT-NEXT: DW_AT_producer [DW_FORM_strx] ( indexed (00000000) string = "Handmade split DWARF producer")
+# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_compile_unit")
+# SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x00000008)
+# SPLIT-NEXT: DW_AT_comp_dir [DW_FORM_strx] ( indexed (00000002) string = "/home/test/splitCU")
+#
+# 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] (0x00000040)
+# COMMON: DW_TAG_structure_type
+# COMMON-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "MyStruct")
+#
+# The split type unit
+# SPLIT: .debug_types.dwo contents:
+# SPLIT: DW_TAG_type_unit
+# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000000) string = "V5_split_type_unit")
+# SPLIT-NEXT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x0000001c)
+# SPLIT: DW_TAG_structure_type
+# SPLIT-NEXT: DW_AT_name [DW_FORM_strx] ( indexed (00000001) string = "V5_split_Mystruct")
+#
+# The .debug_str_offsets section
+# COMMON: .debug_str_offsets contents:
+# COMMON-NEXT: 0x00000000: Contribution size = 28, 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: Contribution size = 12, Version = 5
+# COMMON-NEXT: 0x0000002c: 00000000 "Handmade DWARF producer"
+# COMMON-NEXT: 0x00000030: 00000036 "Compile_Unit_2"
+# COMMON-NEXT: 0x00000034: 00000045 "/home/test/CU2"
+# COMMON-NEXT: 0x00000038: Contribution size = 8, Version = 5
+# COMMON-NEXT: 0x00000040: 00000054 "Type_Unit"
+# COMMON-NEXT: 0x00000044: 0000005e "MyStruct"
+#
+# SPLIT: .debug_str_offsets.dwo contents:
+# SPLIT-NEXT: 0x00000000: Contribution size = 12, Version = 5
+# SPLIT-NEXT: 0x00000008: 00000000 "Handmade split DWARF producer"
+# SPLIT-NEXT: 0x0000000c: 0000001e "V5_split_compile_unit"
+# SPLIT-NEXT: 0x00000010: 00000034 "/home/test/splitCU"
+# SPLIT-NEXT: 0x00000014: Contribution size = 8, Version = 5
+# SPLIT-NEXT: 0x0000001c: 00000047 "V5_split_type_unit"
+# SPLIT-NEXT: 0x00000020: 0000005a "V5_split_Mystruct"
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