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#PROG: objcopy
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#source: compressed-1.s
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#as: --32 --compress-debug-sections
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#objcopy:
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#readelf: -w
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#name: objcopy on compressed debug sections
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Contents of the .[z]?debug_abbrev section:
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Number TAG
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1 DW_TAG_compile_unit \[has children\]
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DW_AT_producer DW_FORM_strp
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DW_AT_language DW_FORM_data1
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DW_AT_name DW_FORM_strp
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DW_AT_comp_dir DW_FORM_strp
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DW_AT_low_pc DW_FORM_addr
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DW_AT_high_pc DW_FORM_addr
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DW_AT_stmt_list DW_FORM_data4
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2 DW_TAG_subprogram \[no children\]
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DW_AT_external DW_FORM_flag
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DW_AT_name DW_FORM_strp
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DW_AT_decl_file DW_FORM_data1
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DW_AT_decl_line DW_FORM_data1
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DW_AT_low_pc DW_FORM_addr
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DW_AT_high_pc DW_FORM_addr
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DW_AT_frame_base DW_FORM_block1
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Contents of the .[z]?debug_info section:
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Compilation Unit @ offset 0x0:
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Length: 0x46 \(32-bit\)
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Version: 3
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Abbrev Offset: 0
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Pointer Size: 4
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<0>: Abbrev Number: 1 \(DW_TAG_compile_unit\)
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DW_AT_producer : \(indirect string, offset: 0x0\): GNU C 4.4.4
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<10> DW_AT_language : 1 \(ANSI C\)
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<11> DW_AT_name : \(indirect string, offset: 0x18\): compressed-1.c
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<15> DW_AT_comp_dir : \(indirect string, offset: 0x16\): .
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<19> DW_AT_low_pc : 0x0
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<1d> DW_AT_high_pc : 0x1b
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<21> DW_AT_stmt_list : 0x0
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<1><25>: Abbrev Number: 2 \(DW_TAG_subprogram\)
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<26> DW_AT_external : 1
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<27> DW_AT_name : \(indirect string, offset: 0xc\): foo2
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<2b> DW_AT_decl_file : 1
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<2c> DW_AT_decl_line : 10
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<2d> DW_AT_low_pc : 0x0
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<31> DW_AT_high_pc : 0x2
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<35> DW_AT_frame_base : 1 byte block: 9c \(DW_OP_call_frame_cfa\)
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<1><37>: Abbrev Number: 2 \(DW_TAG_subprogram\)
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<38> DW_AT_external : 1
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<39> DW_AT_name : \(indirect string, offset: 0x11\): foo1
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<3d> DW_AT_decl_file : 1
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<3e> DW_AT_decl_line : 4
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<3f> DW_AT_low_pc : 0x10
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<43> DW_AT_high_pc : 0x1b
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<47> DW_AT_frame_base : 1 byte block: 9c \(DW_OP_call_frame_cfa\)
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Raw dump of debug contents of section .[z]?debug_line:
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Offset: 0x0
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Length: 64
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DWARF Version: 2
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Prologue Length: 37
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Minimum Instruction Length: 1
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Initial value of 'is_stmt': 1
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Line Base: -5
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Line Range: 14
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Opcode Base: 13
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Opcodes:
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Opcode 1 has 0 args
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Opcode 2 has 1 args
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Opcode 3 has 1 args
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Opcode 4 has 1 args
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Opcode 5 has 1 args
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Opcode 6 has 0 args
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Opcode 7 has 0 args
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Opcode 8 has 0 args
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Opcode 9 has 1 args
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Opcode 10 has 0 args
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Opcode 11 has 0 args
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Opcode 12 has 1 args
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The Directory Table is empty.
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The File Name Table:
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Entry Dir Time Size Name
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1 0 0 0 compressed-1.c
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Line Number Statements:
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Extended opcode 2: set Address to 0x0
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Advance Line by 10 to 11
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Copy
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Special opcode 6: advance Address by 0 to 0x0 and Line by 1 to 12
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Advance Line by -7 to 5
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Special opcode 229: advance Address by 16 to 0x10 and Line by 0 to 5
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Special opcode 49: advance Address by 3 to 0x13 and Line by 2 to 7
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Special opcode 46: advance Address by 3 to 0x16 and Line by -1 to 6
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Advance PC by 5 to 0x1b
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Extended opcode 1: End of Sequence
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Contents of the .[z]?debug_pubnames section:
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Length: 32
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Version: 2
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Offset into .[z]?debug_info section: 0x0
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Size of area in .[z]?debug_info section: 74
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Offset Name
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25 foo2
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37 foo1
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Contents of the .[z]?debug_aranges section:
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Length: 28
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Version: 2
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Offset into .[z]?debug_info: 0x0
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Pointer Size: 4
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Segment Size: 0
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Address Length
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00000000 0000001b
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00000000 00000000
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Contents of the .[z]?debug_str section:
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0x00000000 474e5520 4320342e 342e3400 666f6f32 GNU C 4.4.4.foo2
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0x00000010 00666f6f 31002e00 636f6d70 72657373 .foo1...compress
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0x00000020 65642d31 2e6300 ed-1.c.
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Contents of the .[z]?debug_frame section:
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00000000 00000010 ffffffff CIE
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Version: 1
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Augmentation: ""
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Code alignment factor: 1
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Data alignment factor: -4
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Return address column: 8
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DW_CFA_def_cfa: r4 \(esp\) ofs 4
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DW_CFA_offset: r8 \(eip\) at cfa-4
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DW_CFA_nop
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DW_CFA_nop
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00000014 0000000c 00000000 FDE cie=00000000 pc=00000000..00000002
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00000024 00000014 00000000 FDE cie=00000000 pc=00000010..0000001b
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DW_CFA_advance_loc: 3 to 00000013
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DW_CFA_def_cfa_offset: 16
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DW_CFA_advance_loc: 3 to 00000016
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DW_CFA_def_cfa_offset: 4
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DW_CFA_nop
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DW_CFA_nop
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