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