[ObjectYAML] Support for DWARF debug_info section

This patch adds support for YAML<->DWARF for debug_info sections.

llvm-svn: 290147

1 files changed, 525 insertions, 0 deletions

diff --git a/llvm/test/ObjectYAML/MachO/DWARF-debug_info.yaml b/llvm/test/ObjectYAML/MachO/DWARF-debug_info.yaml
new file mode 100644
index 00000000000..9a616e9afb9
--- /dev/null
+++ b/llvm/test/ObjectYAML/MachO/DWARF-debug_info.yaml
@@ -0,0 +1,525 @@
+# 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
+    maxprot:         0
+    initprot:        0
+    nsects:          0
+    flags:           0
+  - 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
+        align:           1
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x80000408
+        reserved1:       0x00000000
+        reserved2:       0x00000006
+        reserved3:       0x00000000
+      - sectname:        __stub_helper
+        segname:         __TEXT
+        addr:            0x0000000100000F8C
+        size:            26
+        offset:          0x00000000
+        align:           2
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x80000400
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __cstring
+        segname:         __TEXT
+        addr:            0x0000000100000FA6
+        size:            14
+        offset:          0x00000000
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000002
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __unwind_info
+        segname:         __TEXT
+        addr:            0x0000000100000FB4
+        size:            72
+        offset:          0x00000000
+        align:           2
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+  - cmd:             LC_SEGMENT_64
+    cmdsize:         232
+    segname:         __DATA
+    vmaddr:          4294971392
+    vmsize:          4096
+    fileoff:         0
+    filesize:        0
+    maxprot:         7
+    initprot:        3
+    nsects:          2
+    flags:           0
+    Sections:        
+      - sectname:        __nl_symbol_ptr
+        segname:         __DATA
+        addr:            0x0000000100001000
+        size:            16
+        offset:          0x00000000
+        align:           3
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000006
+        reserved1:       0x00000001
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __la_symbol_ptr
+        segname:         __DATA
+        addr:            0x0000000100001010
+        size:            8
+        offset:          0x00000000
+        align:           3
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000007
+        reserved1:       0x00000003
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+  - cmd:             LC_SEGMENT_64
+    cmdsize:         72
+    segname:         __LINKEDIT
+    vmaddr:          4294975488
+    vmsize:          4096
+    fileoff:         4096
+    filesize:        60
+    maxprot:         7
+    initprot:        1
+    nsects:          0
+    flags:           0
+  - cmd:             LC_SEGMENT_64
+    cmdsize:         952
+    segname:         __DWARF
+    vmaddr:          4294979584
+    vmsize:          4096
+    fileoff:         8192
+    filesize:        764
+    maxprot:         7
+    initprot:        3
+    nsects:          11
+    flags:           0
+    Sections:        
+      - sectname:        __debug_line
+        segname:         __DWARF
+        addr:            0x0000000100003000
+        size:            69
+        offset:          0x00002000
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_pubnames
+        segname:         __DWARF
+        addr:            0x0000000100003045
+        size:            27
+        offset:          0x00002045
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_pubtypes
+        segname:         __DWARF
+        addr:            0x0000000100003060
+        size:            35
+        offset:          0x00002060
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_aranges
+        segname:         __DWARF
+        addr:            0x0000000100003083
+        size:            48
+        offset:          0x00002083
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_info
+        segname:         __DWARF
+        addr:            0x00000001000030B3
+        size:            121
+        offset:          0x000020B3
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_abbrev
+        segname:         __DWARF
+        addr:            0x000000010000312C
+        size:            76
+        offset:          0x0000212C
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __debug_str
+        segname:         __DWARF
+        addr:            0x0000000100003178
+        size:            142
+        offset:          0x00002178
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __apple_names
+        segname:         __DWARF
+        addr:            0x0000000100003206
+        size:            60
+        offset:          0x00002206
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __apple_namespac
+        segname:         __DWARF
+        addr:            0x0000000100003242
+        size:            36
+        offset:          0x00002242
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __apple_types
+        segname:         __DWARF
+        addr:            0x0000000100003266
+        size:            114
+        offset:          0x00002266
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+      - sectname:        __apple_objc
+        segname:         __DWARF
+        addr:            0x00000001000032D8
+        size:            36
+        offset:          0x000022D8
+        align:           0
+        reloff:          0x00000000
+        nreloc:          0
+        flags:           0x00000000
+        reserved1:       0x00000000
+        reserved2:       0x00000000
+        reserved3:       0x00000000
+LinkEditData:    
+  NameList:        
+    - n_strx:          2
+      n_type:          0x0F
+      n_sect:          1
+      n_desc:          16
+      n_value:         4294967296
+    - n_strx:          22
+      n_type:          0x0F
+      n_sect:          1
+      n_desc:          0
+      n_value:         4294971216
+  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
+          Form:            DW_FORM_data4
+    - Code:            0x00000002
+      Tag:             DW_TAG_subprogram
+      Children:        DW_CHILDREN_yes
+      Attributes:      
+        - Attribute:       DW_AT_low_pc
+          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
+    - Code:            0x00000003
+      Tag:             DW_TAG_formal_parameter
+      Children:        DW_CHILDREN_no
+      Attributes:      
+        - Attribute:       DW_AT_location
+          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:      
+        - Attribute:       DW_AT_name
+          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:          44
+      Version:         2
+      CuOffset:        0
+      AddrSize:        8
+      SegSize:         0
+      Descriptors:     
+        - Address:         0x0000000100000F50
+          Length:          52
+  debug_info:      
+    - Length:          117
+      Version:         4
+      AbbrOffset:      0
+      AddrSize:        8
+      Entries:         
+        - AbbrCode:        0x00000001
+          Values:          
+            - Value:           0x0000000000000001
+            - Value:           0x000000000000000C
+            - Value:           0x0000000000000038
+            - Value:           0x0000000000000000
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+            - Value:           0x0000000100000F50
+            - Value:           0x0000000000000034
+        - AbbrCode:        0x00000002
+          Values:          
+            - Value:           0x0000000100000F50
+            - Value:           0x0000000000000034
+            - Value:           0x0000000000000001
+              BlockData:       
+                - 0x56
+            - Value:           0x0000000000000076
+            - Value:           0x0000000000000001
+            - Value:           0x0000000000000003
+            - Value:           0x0000000000000001
+            - Value:           0x0000000000000060
+            - Value:           0x0000000000000001
+        - AbbrCode:        0x00000003
+          Values:          
+            - Value:           0x0000000000000002
+              BlockData:       
+                - 0x91
+                - 0x78
+            - Value:           0x000000000000007B
+            - Value:           0x0000000000000001
+            - Value:           0x0000000000000003
+            - Value:           0x0000000000000060
+        - AbbrCode:        0x00000003
+          Values:          
+            - Value:           0x0000000000000002
+              BlockData:       
+                - 0x91
+                - 0x70
+            - Value:           0x0000000000000080
+            - Value:           0x0000000000000001
+            - Value:           0x0000000000000003
+            - Value:           0x0000000000000067
+        - AbbrCode:        0x00000000
+          Values:          
+        - AbbrCode:        0x00000004
+          Values:          
+            - Value:           0x0000000000000085
+            - Value:           0x0000000000000005
+            - Value:           0x0000000000000004
+        - AbbrCode:        0x00000005
+          Values:          
+            - Value:           0x000000000000006C
+        - AbbrCode:        0x00000005
+          Values:          
+            - Value:           0x0000000000000071
+        - AbbrCode:        0x00000004
+          Values:          
+            - Value:           0x0000000000000089
+            - Value:           0x0000000000000006
+            - Value:           0x0000000000000001
+        - AbbrCode:        0x00000000
+          Values:          
+...
+
+
+#CHECK: DWARF:           
+#CHECK:   debug_info:      
+#CHECK:     - Length:          117
+#CHECK:       Version:         4
+#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: