/usr/local/bin/diffoscope --html clang.html lib_pic_clang.o lib_pie

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6.99 KB

lib_pic_clang.o vs.

lib_pie_clang.o ¶

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872 B

readelf --wide --file-header {} ¶

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1.6 KB

readelf --wide --sections {} ¶

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667 B

readelf --wide --symbols {} ¶

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1010 B

readelf --wide --relocs {} ¶

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654 B

readelf --wide --debug-dump=frames {} ¶

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1.6 KB

objdump --line-numbers --disassemble --demangle --section=.text {} ¶

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653 B

readelf --wide --decompress --hex-dump=.eh_frame {} ¶

Offset 1, 9 lines modified		Offset 1, 9 lines modified

1	Symbol·table·'.symtab'·contains·6·entries:	1	Symbol·table·'.symtab'·contains·6·entries:
2	···Num:····Value··········Size·Type····Bind···Vis······Ndx·Name	2	···Num:····Value··········Size·Type····Bind···Vis······Ndx·Name
3	·····0:·0000000000000000·····0·NOTYPE··LOCAL··DEFAULT··UND·	3	·····0:·0000000000000000·····0·NOTYPE··LOCAL··DEFAULT··UND·
4	·····1:·0000000000000000·····0·FILE····LOCAL··DEFAULT··ABS·lib.c	4	·····1:·0000000000000000·····0·FILE····LOCAL··DEFAULT··ABS·lib.c
5	·····2:·0000000000000000·····0·SECTION·LOCAL··DEFAULT····2·	5	·····2:·0000000000000000·····0·SECTION·LOCAL··DEFAULT····2·
6	·····3:·0000000000000004·····4·OBJECT··GLOBAL·DEFAULT··COM·global_variable	6	·····3:·0000000000000004·····4·OBJECT··GLOBAL·DEFAULT··COM·global_variable
7	·····4:·0000000000000000····23·FUNC····GLOBAL·DEFAULT····2·lib_function1	7	·····4:·0000000000000000····20·FUNC····GLOBAL·DEFAULT····2·lib_function1
8	·····5:·0000000000000020····25·FUNC····GLOBAL·DEFAULT····2·lib_function2	8	·····5:·0000000000000020····25·FUNC····GLOBAL·DEFAULT····2·lib_function2

Offset 1, 10 lines modified		Offset 1, 9 lines modified

1	Relocation·section·'.rela.text'·at·offset·0x1b0·contains·2·entries:	1	Relocation·section·'.rela.text'·at·offset·0x1b0·contains·1·entry:
2	····Offset·············Info·············Type···············Symbol's·Value··Symbol's·Name·+·Addend	2	····Offset·············Info·············Type···············Symbol's·Value··Symbol's·Name·+·Addend
3	0000000000000007··0000000300000009·R_X86_64_~~GOTPCREL~~······0000000000000004·global_variable·-·4	3	000000000000000c··0000000300000002·R_X86_64_PC32··········0000000000000004·global_variable·-·4
4	000000000000002f··0000000400000004·R_X86_64_PLT32·········0000000000000000·lib_function1·-·4

5	Relocation·section·'.rela.eh_frame'·at·offset·0x1e0·contains·2·entries:	4	Relocation·section·'.rela.eh_frame'·at·offset·0x1c8·contains·2·entries:
6	····Offset·············Info·············Type···············Symbol's·Value··Symbol's·Name·+·Addend	5	····Offset·············Info·············Type···············Symbol's·Value··Symbol's·Name·+·Addend
7	0000000000000020··0000000200000002·R_X86_64_PC32··········0000000000000000·.text·+·0	6	0000000000000020··0000000200000002·R_X86_64_PC32··········0000000000000000·.text·+·0
8	000000000000003c··0000000200000002·R_X86_64_PC32··········0000000000000000·.text·+·20	7	000000000000003c··0000000200000002·R_X86_64_PC32··········0000000000000000·.text·+·20

Offset 9, 15 lines modified		Offset 9, 15 lines modified
9	··Return·address·column:·16	9	··Return·address·column:·16
10	··Augmentation·data:·····1b	10	··Augmentation·data:·····1b
11	··DW_CFA_def_cfa:·r7·(rsp)·ofs·8	11	··DW_CFA_def_cfa:·r7·(rsp)·ofs·8
12	··DW_CFA_offset:·r16·(rip)·at·cfa-8	12	··DW_CFA_offset:·r16·(rip)·at·cfa-8
13	··DW_CFA_nop	13	··DW_CFA_nop
14	··DW_CFA_nop	14	··DW_CFA_nop

15	00000018·0000000000000018·0000001c·FDE·cie=00000000·pc=0000000000000000..0000000000000017	15	00000018·0000000000000018·0000001c·FDE·cie=00000000·pc=0000000000000000..0000000000000014
16	··DW_CFA_advance_loc:·1·to·0000000000000001	16	··DW_CFA_advance_loc:·1·to·0000000000000001
17	··DW_CFA_def_cfa_offset:·16	17	··DW_CFA_def_cfa_offset:·16
18	··DW_CFA_offset:·r6·(rbp)·at·cfa-16	18	··DW_CFA_offset:·r6·(rbp)·at·cfa-16
19	··DW_CFA_advance_loc:·3·to·0000000000000004	19	··DW_CFA_advance_loc:·3·to·0000000000000004
20	··DW_CFA_def_cfa_register:·r6·(rbp)	20	··DW_CFA_def_cfa_register:·r6·(rbp)
21	··DW_CFA_nop	21	··DW_CFA_nop
22	··DW_CFA_nop	22	··DW_CFA_nop

Offset 6, 15 lines modified		Offset 6, 15 lines modified
6	··OS/ABI:····························UNIX·-·FreeBSD	6	··OS/ABI:····························UNIX·-·FreeBSD
7	··ABI·Version:·······················0	7	··ABI·Version:·······················0
8	··Type:······························REL·(Relocatable·file)	8	··Type:······························REL·(Relocatable·file)
9	··Machine:···························Advanced·Micro·Devices·X86-64	9	··Machine:···························Advanced·Micro·Devices·X86-64
10	··Version:···························0x1	10	··Version:···························0x1
11	··Entry·point·address:···············0x0	11	··Entry·point·address:···············0x0
12	··Start·of·program·headers:··········0·(bytes·into·file)	12	··Start·of·program·headers:··········0·(bytes·into·file)
13	··Start·of·section·headers:··········648·(bytes·into·file)	13	··Start·of·section·headers:··········624·(bytes·into·file)
14	··Flags:·····························0x0	14	··Flags:·····························0x0
15	··Size·of·this·header:···············64·(bytes)	15	··Size·of·this·header:···············64·(bytes)
16	··Size·of·program·headers:···········0·(bytes)	16	··Size·of·program·headers:···········0·(bytes)
17	··Number·of·program·headers:·········0	17	··Number·of·program·headers:·········0
18	··Size·of·section·headers:···········64·(bytes)	18	··Size·of·section·headers:···········64·(bytes)
19	··Number·of·section·headers:·········9	19	··Number·of·section·headers:·········9
20	··Section·header·string·table·index:·1	20	··Section·header·string·table·index:·1

Offset 1, 18 lines modified		Offset 1, 18 lines modified
1	There·are·9·section·headers,·starting·at·offset·0x288:	1	There·are·9·section·headers,·starting·at·offset·0x270:

2	Section·Headers:	2	Section·Headers:
3	··[Nr]·Name··············Type············Address··········Off····Size···ES·Flg·Lk·Inf·Al	3	··[Nr]·Name··············Type············Address··········Off····Size···ES·Flg·Lk·Inf·Al
4	··[·0]···················NULL············0000000000000000·000000·000000·00······0···0··0	4	··[·0]···················NULL············0000000000000000·000000·000000·00······0···0··0
5	··[·1]·.strtab···········STRTAB··········0000000000000000·000~~210~~·000076·00······0···0··1	5	··[·1]·.strtab···········STRTAB··········0000000000000000·0001f8·000076·00······0···0··1
6	··[·2]·.text·············PROGBITS········0000000000000000·000040·000039·00··AX··0···0·16	6	··[·2]·.text·············PROGBITS········0000000000000000·000040·000039·00··AX··0···0·16
7	··[·3]·.rela.text········RELA············0000000000000000·0001b0·000030·18······8···2··8	7	··[·3]·.rela.text········RELA············0000000000000000·0001b0·000018·18······8···2··8
8	··[·4]·.comment··········PROGBITS········0000000000000000·000079·000053·01··MS··0···0··1	8	··[·4]·.comment··········PROGBITS········0000000000000000·000079·000053·01··MS··0···0··1
9	··[·5]·.note.GNU-stack···PROGBITS········0000000000000000·0000cc·000000·00······0···0··1	9	··[·5]·.note.GNU-stack···PROGBITS········0000000000000000·0000cc·000000·00······0···0··1
10	··[·6]·.eh_frame·········X86_64_UNWIND···0000000000000000·0000d0·000050·00···A··0···0··8	10	··[·6]·.eh_frame·········X86_64_UNWIND···0000000000000000·0000d0·000050·00···A··0···0··8
11	··[·7]·.rela.eh_frame····RELA············0000000000000000·0001e0·000030·18······8···6··8	11	··[·7]·.rela.eh_frame····RELA············0000000000000000·0001c8·000030·18······8···6··8
12	··[·8]·.symtab···········SYMTAB··········0000000000000000·000120·000090·18······1···3··8	12	··[·8]·.symtab···········SYMTAB··········0000000000000000·000120·000090·18······1···3··8
13	Key·to·Flags:	13	Key·to·Flags:
14	··W·(write),·A·(alloc),·X·(execute),·M·(merge),·S·(strings),·I·(info),	14	··W·(write),·A·(alloc),·X·(execute),·M·(merge),·S·(strings),·I·(info),
15	··L·(link·order),·O·(extra·OS·processing·required),·G·(group),·T·(TLS),	15	··L·(link·order),·O·(extra·OS·processing·required),·G·(group),·T·(TLS),
16	··C·(compressed),·x·(unknown),·o·(OS·specific),·E·(exclude),	16	··C·(compressed),·x·(unknown),·o·(OS·specific),·E·(exclude),
17	··l·(large),·p·(processor·specific)	17	··l·(large),·p·(processor·specific)

Offset 3, 28 lines modified		Offset 3, 27 lines modified

3	Disassembly·of·section·.text:	3	Disassembly·of·section·.text:

4	0000000000000000·<lib_function1>:	4	0000000000000000·<lib_function1>:
5	lib_function1():	5	lib_function1():
6	···0:» 55···················» push···%rbp	6	···0:» 55···················» push···%rbp
7	···1:» 48·89·e5·············» mov····%rsp,%rbp	7	···1:» 48·89·e5·············» mov····%rsp,%rbp
8	···4:» 48·8b·05·00·00·00·00·» mov····~~0x0(~~%r~~ip)~~,%rax·~~·······~~	8	···4:» 89·7d·fc·············» mov····%edi,-0x4(%rbp)
9	···b:» 89·7d·fc·············» mov····~~%edi,~~-0x4(%rbp)	9	···7:» 8b·7d·fc·············» mov····-0x4(%rbp),%edi
10	···e:» 8b·7d·fc·~~··~~·~~··~~·~~··~~····» ~~mov~~····-0x4(%rbp),%edi	10	···a:» 03·3d·00·00·00·00····» add····0x0(%rip),%edi········
11	··11:» 03·38················» ~~add~~····(%r~~ax)~~,%edi	11	··10:» 89·f8················» mov····%edi,%eax
12	··13:» 89·f8················» mov····~~%edi,~~%~~eax~~	12	··12:» 5d···················» pop····%rbp
13	··15:» 5d···················» ~~pop·~~···~~%rbp~~	13	··13:» c3···················» retq···
14	··16:» c3·~~··~~·~~··~~·~~··~~·~~··~~·~~··~~·~~··~~·» retq···	14	··14:» 66·66·66·2e·0f·1f·84·» data16·data16·nopw·%cs:0x0(%rax,%rax,1)
15	··17:» ~~66·~~0~~f·1f·8~~4·00·00·00~~·» nopw··~~·0x0~~(%rax,%rax,1~~)	15	··1b:» 00·00·00·00·00·
16	··1e:» 00·00·

17	0000000000000020·<lib_function2>:	16	0000000000000020·<lib_function2>:
18	lib_function2():	17	lib_function2():
19	··20:» 55···················» push···%rbp	18	··20:» 55···················» push···%rbp
20	··21:» 48·89·e5·············» mov····%rsp,%rbp	19	··21:» 48·89·e5·············» mov····%rsp,%rbp
21	··24:» 48·83·ec·10··········» sub····$0x10,%rsp	20	··24:» 48·83·ec·10··········» sub····$0x10,%rsp
22	··28:» 89·7d·fc·············» mov····%edi,-0x4(%rbp)	21	··28:» 89·7d·fc·············» mov····%edi,-0x4(%rbp)
23	··2b:» 8b·7d·fc·············» mov····-0x4(%rbp),%edi	22	··2b:» 8b·7d·fc·············» mov····-0x4(%rbp),%edi
24	··2e:» e8·00·00·00·00·······» callq··33·<lib_function~~2+0x~~13>	23	··2e:» e8·cd·ff·ff·ff·······» callq··0·<lib_function1>
25	··33:» 48·83·c4·10··········» add····$0x10,%rsp	24	··33:» 48·83·c4·10··········» add····$0x10,%rsp
26	··37:» 5d···················» pop····%rbp	25	··37:» 5d···················» pop····%rbp
27	··38:» c3···················» retq···	26	··38:» c3···················» retq···

Offset 1, 9 lines modified		Offset 1, 9 lines modified

1	Hex·dump·of·section·'.eh_frame':	1	Hex·dump·of·section·'.eh_frame':
2	·NOTE:·This·section·has·relocations·against·it,·but·these·have·NOT·been·applied·to·this·dump.	2	·NOTE:·This·section·has·relocations·against·it,·but·these·have·NOT·been·applied·to·this·dump.
3	··0x00000000·14000000·00000000·017a5200·01781001·.........zR..x..	3	··0x00000000·14000000·00000000·017a5200·01781001·.........zR..x..
4	··0x00000010·1b0c0708·90010000·18000000·1c000000·................	4	··0x00000010·1b0c0708·90010000·18000000·1c000000·................
5	··0x00000020·00000000·17000000·00410e10·8602430d·.........A....C.	5	··0x00000020·00000000·14000000·00410e10·8602430d·.........A....C.
6	··0x00000030·06000000·18000000·38000000·00000000·........8.......	6	··0x00000030·06000000·18000000·38000000·00000000·........8.......
7	··0x00000040·19000000·00410e10·8602430d·06000000·.....A....C.....	7	··0x00000040·19000000·00410e10·8602430d·06000000·.....A....C.....