[ObjectYAML] Add support for DWARF5 Unit header

In DWARF5 the Unit header added a new field, UnitType, and swapped the order of the address size and abbreviation offset fields.

llvm-svn: 297183

1 files changed, 582 insertions, 0 deletions

diff --git a/llvm/test/ObjectYAML/MachO/DWARF5-debug_info.yaml b/llvm/test/ObjectYAML/MachO/DWARF5-debug_info.yaml
new file mode 100644
index 00000000000..d0e81834b59
--- /dev/null
+++ b/llvm/test/ObjectYAML/MachO/DWARF5-debug_info.yaml
@@ -0,0 +1,582 @@
+# RUN: yaml2obj %s | obj2yaml | FileCheck %s
+
+--- !mach-o
+FileHeader:      
+  magic:           0xFEEDFACF
+  cputype:         0x01000007
+  cpusubtype:      0x00000003
+  filetype:        0x0000000A
+  ncmds:           5
+  sizeofcmds:      1800
+  flags:           0x00000000
+  reserved:        0x00000000
+LoadCommands:    
+  - cmd:             LC_SEGMENT_64
+    cmdsize:         72
+    segname:         __PAGEZERO
+    vmaddr:          0
+    vmsize:          4294967296
+    fileoff:         0
+    filesize:        0
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+    initprot:        0
+    nsects:          0
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+  - cmd:             LC_SEGMENT_64
+    cmdsize:         472
+    segname:         __TEXT
+    vmaddr:          4294967296
+    vmsize:          4096
+    fileoff:         0
+    filesize:        0
+    maxprot:         7
+    initprot:        5
+    nsects:          5
+    flags:           0
+    Sections:        
+      - sectname:        __text
+        segname:         __TEXT
+        addr:            0x0000000100000F50
+        size:            52
+        offset:          0x00000000
+        align:           4
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x80000400
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __stubs
+        segname:         __TEXT
+        addr:            0x0000000100000F84
+        size:            6
+        offset:          0x00000000
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+        reserved1:       0x00000000
+        reserved2:       0x00000006
+        reserved3:       0x00000000
+      - sectname:        __stub_helper
+        segname:         __TEXT
+        addr:            0x0000000100000F8C
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+        offset:          0x00000000
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+        reserved3:       0x00000000
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+        segname:         __TEXT
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+        reserved2:       0x00000000
+        reserved3:       0x00000000
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+    Sections:        
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+        reserved2:       0x00000000
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+        reserved2:       0x00000000
+        reserved3:       0x00000000
+LinkEditData:    
+  NameList:        
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+      n_type:          0x0F
+      n_sect:          1
+      n_desc:          16
+      n_value:         4294967296
+    - n_strx:          22
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+      n_sect:          1
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+  StringTable:     
+    - ''
+    - ''
+    - __mh_execute_header
+    - _main
+DWARF:           
+  debug_abbrev:    
+    - Code:            0x00000001
+      Tag:             DW_TAG_compile_unit
+      Children:        DW_CHILDREN_yes
+      Attributes:      
+        - Attribute:       DW_AT_producer
+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_language
+          Form:            DW_FORM_data2
+        - Attribute:       DW_AT_name
+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_stmt_list
+          Form:            DW_FORM_sec_offset
+        - Attribute:       DW_AT_comp_dir
+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_low_pc
+          Form:            DW_FORM_addr
+        - Attribute:       DW_AT_high_pc
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+      Tag:             DW_TAG_subprogram
+      Children:        DW_CHILDREN_yes
+      Attributes:      
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+          Form:            DW_FORM_addr
+        - Attribute:       DW_AT_high_pc
+          Form:            DW_FORM_data4
+        - Attribute:       DW_AT_frame_base
+          Form:            DW_FORM_exprloc
+        - Attribute:       DW_AT_name
+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_decl_file
+          Form:            DW_FORM_data1
+        - Attribute:       DW_AT_decl_line
+          Form:            DW_FORM_data1
+        - Attribute:       DW_AT_prototyped
+          Form:            DW_FORM_flag_present
+        - Attribute:       DW_AT_type
+          Form:            DW_FORM_ref4
+        - Attribute:       DW_AT_external
+          Form:            DW_FORM_flag_present
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+      Tag:             DW_TAG_formal_parameter
+      Children:        DW_CHILDREN_no
+      Attributes:      
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+          Form:            DW_FORM_exprloc
+        - Attribute:       DW_AT_name
+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_decl_file
+          Form:            DW_FORM_data1
+        - Attribute:       DW_AT_decl_line
+          Form:            DW_FORM_data1
+        - Attribute:       DW_AT_type
+          Form:            DW_FORM_ref4
+    - Code:            0x00000004
+      Tag:             DW_TAG_base_type
+      Children:        DW_CHILDREN_no
+      Attributes:      
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+          Form:            DW_FORM_strp
+        - Attribute:       DW_AT_encoding
+          Form:            DW_FORM_data1
+        - Attribute:       DW_AT_byte_size
+          Form:            DW_FORM_data1
+    - Code:            0x00000005
+      Tag:             DW_TAG_pointer_type
+      Children:        DW_CHILDREN_no
+      Attributes:      
+        - Attribute:       DW_AT_type
+          Form:            DW_FORM_ref4
+  debug_aranges:   
+    - Length:          
+        TotalLength:     44
+      Version:         2
+      CuOffset:        0
+      AddrSize:        8
+      SegSize:         0
+      Descriptors:     
+        - Address:         0x0000000100000F50
+          Length:          52
+  debug_info:      
+    - Length:          
+        TotalLength:     118
+      Version:         5
+      UnitType:        DW_UT_compile
+      AbbrOffset:      0
+      AddrSize:        8
+      Entries:         
+        - AbbrCode:        0x00000001
+          Values:          
+            - Value:           0x0000000000000001
+            - Value:           0x000000000000000C
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+            - Value:           0x0000000000000001
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+          Values:          
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+          Values:          
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+          Values:          
+            - Value:           0x0000000000000089
+            - Value:           0x0000000000000006
+            - Value:           0x0000000000000001
+        - AbbrCode:        0x00000000
+          Values:          
+  debug_line:      
+    - Length:          
+        TotalLength:     65
+      Version:         2
+      PrologueLength:  36
+      MinInstLength:   1
+      DefaultIsStmt:   1
+      LineBase:        251
+      LineRange:       14
+      OpcodeBase:      13
+      StandardOpcodeLengths: 
+        - 0
+        - 1
+        - 1
+        - 1
+        - 1
+        - 0
+        - 0
+        - 0
+        - 1
+        - 0
+        - 0
+        - 1
+      IncludeDirs:     
+      Files:           
+        - Name:            hello_world.c
+          DirIdx:          0
+          ModTime:         0
+          Length:          0
+      Opcodes:         
+        - Opcode:          DW_LNS_extended_op
+          ExtLen:          9
+          SubOpcode:       DW_LNE_set_address
+          Data:            4294971216
+        - Opcode:          0x14
+          Data:            4294971216
+        - Opcode:          DW_LNS_set_column
+          Data:            3
+        - Opcode:          DW_LNS_set_prologue_end
+          Data:            3
+        - Opcode:          DW_LNS_const_add_pc
+          Data:            3
+        - Opcode:          0xBB
+          Data:            3
+        - Opcode:          0xBB
+          Data:            3
+        - Opcode:          DW_LNS_advance_pc
+          Data:            11
+        - Opcode:          DW_LNS_extended_op
+          ExtLen:          1
+          SubOpcode:       DW_LNE_end_sequence
+          Data:            11
+...
+
+
+#CHECK: DWARF:           
+#CHECK:   debug_info:      
+#CHECK:     - Length:          
+#CHECK:         TotalLength:     118
+#CHECK:       Version:         5
+#CHECK:       UnitType:        DW_UT_compile
+#CHECK:       AbbrOffset:      0
+#CHECK:       AddrSize:        8
+#CHECK:       Entries:         
+#CHECK:         - AbbrCode:        0x00000001
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:             - Value:           0x000000000000000C
+#CHECK:             - Value:           0x0000000000000038
+#CHECK:             - Value:           0x0000000000000000
+#CHECK:             - Value:           0x0000000000000046
+#CHECK:             - Value:           0x0000000100000F50
+#CHECK:             - Value:           0x0000000000000034
+#CHECK:         - AbbrCode:        0x00000002
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000100000F50
+#CHECK:             - Value:           0x0000000000000034
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:               BlockData:       
+#CHECK:                 - 0x56
+#CHECK:             - Value:           0x0000000000000076
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:             - Value:           0x0000000000000003
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:             - Value:           0x0000000000000060
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:         - AbbrCode:        0x00000003
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000002
+#CHECK:               BlockData:       
+#CHECK:                 - 0x91
+#CHECK:                 - 0x78
+#CHECK:             - Value:           0x000000000000007B
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:             - Value:           0x0000000000000003
+#CHECK:             - Value:           0x0000000000000060
+#CHECK:         - AbbrCode:        0x00000003
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000002
+#CHECK:               BlockData:       
+#CHECK:                 - 0x91
+#CHECK:                 - 0x70
+#CHECK:             - Value:           0x0000000000000080
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:             - Value:           0x0000000000000003
+#CHECK:             - Value:           0x0000000000000067
+#CHECK:         - AbbrCode:        0x00000000
+#CHECK:           Values:          
+#CHECK:         - AbbrCode:        0x00000004
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000085
+#CHECK:             - Value:           0x0000000000000005
+#CHECK:             - Value:           0x0000000000000004
+#CHECK:         - AbbrCode:        0x00000005
+#CHECK:           Values:          
+#CHECK:             - Value:           0x000000000000006C
+#CHECK:         - AbbrCode:        0x00000005
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000071
+#CHECK:         - AbbrCode:        0x00000004
+#CHECK:           Values:          
+#CHECK:             - Value:           0x0000000000000089
+#CHECK:             - Value:           0x0000000000000006
+#CHECK:             - Value:           0x0000000000000001
+#CHECK:         - AbbrCode:        0x00000000
+#CHECK:           Values: