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gerrit-public.fairphone.software / toolchain / llvm-project / a69bbe02a2352271e8b14542073f177e24c499c1 / . / llvm / test / tools / llvm-objcopy / MachO / only-section.test
blob: 4e26031d2e5361af660efdf8356361bfb0d98c2e [file] [log] [blame]
Seiya Nuta7f19dd12019-10-28 15:40:37 +0900[diff] [blame]1## Show that if --only-section is given, llvm-objcopy removes all sections
2## except ones specified in the option.
3
4# RUN: yaml2obj %s > %t
5
6## Specify all sections. The output file should be the same as the input.
7# RUN: llvm-objcopy -j __TEXT,__text -j __DATA,__data -j __TEXT,__const %t %t2
8# RUN: cmp %t %t2
9
10## Specify one section. The output file should contain only that section.
11# RUN: llvm-objcopy --only-section __TEXT,__text %t %t3
12# RUN: llvm-readobj --sections --section-data --macho-segment %t3 \
13# RUN: | FileCheck %s --check-prefix=ONLY-TEXT-SECTION
14
15# ONLY-TEXT-SECTION: Sections [
16# ONLY-TEXT-SECTION-NEXT: Section {
17# ONLY-TEXT-SECTION-NEXT: Index: 0
18# ONLY-TEXT-SECTION-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
19# ONLY-TEXT-SECTION-NEXT: Segment: __TEXT (5F 5F 54 45 58 54 00 00 00 00 00 00 00 00 00 00)
20# ONLY-TEXT-SECTION-NEXT: Address: 0x0
21# ONLY-TEXT-SECTION-NEXT: Size: 0x4
22# ONLY-TEXT-SECTION-NEXT: Offset: 184
23# ONLY-TEXT-SECTION-NEXT: Alignment: 0
24# ONLY-TEXT-SECTION-NEXT: RelocationOffset: 0x0
25# ONLY-TEXT-SECTION-NEXT: RelocationCount: 0
26# ONLY-TEXT-SECTION-NEXT: Type: Regular (0x0)
27# ONLY-TEXT-SECTION-NEXT: Attributes [ (0x800004)
28# ONLY-TEXT-SECTION-NEXT: PureInstructions (0x800000)
29# ONLY-TEXT-SECTION-NEXT: SomeInstructions (0x4)
30# ONLY-TEXT-SECTION-NEXT: ]
31# ONLY-TEXT-SECTION-NEXT: Reserved1: 0x0
32# ONLY-TEXT-SECTION-NEXT: Reserved2: 0x0
33# ONLY-TEXT-SECTION-NEXT: Reserved3: 0x0
34# ONLY-TEXT-SECTION-NEXT: SectionData (
35# ONLY-TEXT-SECTION-NEXT: 0000: AABBCCDD |....|
36# ONLY-TEXT-SECTION-NEXT: )
37# ONLY-TEXT-SECTION-NEXT: }
38# ONLY-TEXT-SECTION-NEXT: ]
39# ONLY-TEXT-SECTION-NEXT: Segment {
40# ONLY-TEXT-SECTION-NEXT: Cmd: LC_SEGMENT_64
41# ONLY-TEXT-SECTION-NEXT: Name:
42# ONLY-TEXT-SECTION-NEXT: Size: 152
43# ONLY-TEXT-SECTION-NEXT: vmaddr: 0x0
44# ONLY-TEXT-SECTION-NEXT: vmsize: 0x4
45# ONLY-TEXT-SECTION-NEXT: fileoff: 184
46# ONLY-TEXT-SECTION-NEXT: filesize: 4
47# ONLY-TEXT-SECTION-NEXT: maxprot: rwx
48# ONLY-TEXT-SECTION-NEXT: initprot: rwx
49# ONLY-TEXT-SECTION-NEXT: nsects: 1
50# ONLY-TEXT-SECTION-NEXT: flags: 0x0
51# ONLY-TEXT-SECTION-NEXT: }
52
53## Remove all sections if the specified section name is not present in the input.
54# RUN: llvm-objcopy --only-section __TEXT,__nonexistent %t %t4 2>&1
55# RUN: llvm-readobj --sections --section-data --macho-segment %t4 \
56# RUN: | FileCheck %s --check-prefix=NONEXISTENT-SECTION
57
58# NONEXISTENT-SECTION: Sections [
59# NONEXISTENT-SECTION-NEXT: ]
60# NONEXISTENT-SECTION-NEXT: Segment {
61# NONEXISTENT-SECTION-NEXT: Cmd: LC_SEGMENT_64
62# NONEXISTENT-SECTION-NEXT: Name:
63# NONEXISTENT-SECTION-NEXT: Size: 72
64# NONEXISTENT-SECTION-NEXT: vmaddr: 0x0
65# NONEXISTENT-SECTION-NEXT: vmsize: 0x0
66# NONEXISTENT-SECTION-NEXT: fileoff: 104
67# NONEXISTENT-SECTION-NEXT: filesize: 0
68# NONEXISTENT-SECTION-NEXT: maxprot: rwx
69# NONEXISTENT-SECTION-NEXT: initprot: rwx
70# NONEXISTENT-SECTION-NEXT: nsects: 0
71# NONEXISTENT-SECTION-NEXT: flags: 0x0
72# NONEXISTENT-SECTION-NEXT: }
73
74## Use wildcard to specify all sections under the __TEXT segment.
75# RUN: llvm-objcopy --only-section "__TEXT,*" %t %t5 2>&1
76# RUN: llvm-readobj --file-header --sections %t5 \
77# RUN: | FileCheck %s --check-prefix=WILDCARD
78
79## Make sure that it doesn't care about the segment/section name separator ",".
80# RUN: llvm-objcopy --only-section "__TEXT*" %t %t6 2>&1
81# RUN: cmp %t5 %t6
82
83# WILDCARD: NumOfLoadCommands: 1
84# WILDCARD: Sections [
85# WILDCARD: Index: 0
86# WILDCARD-NEXT: Name: __text (5F 5F 74 65 78 74 00 00 00 00 00 00 00 00 00 00)
87# WILDCARD: Index: 1
88# WILDCARD-NEXT: Name: __const (5F 5F 63 6F 6E 73 74 00 00 00 00 00 00 00 00 00)
89# WILDCARD-NOT: Index: 2
90# WILDCARD: ]
91
92--- !mach-o
93FileHeader:
94 magic: 0xFEEDFACF
95 cputype: 0x01000007
96 cpusubtype: 0x00000003
97 filetype: 0x00000001
98 ncmds: 1
99 sizeofcmds: 312
100 flags: 0x00002000
101 reserved: 0x00000000
102LoadCommands:
103 - cmd: LC_SEGMENT_64
104 cmdsize: 312
105 segname: ''
106 vmaddr: 0
107 vmsize: 12
108 fileoff: 344
109 filesize: 12
110 maxprot: 7
111 initprot: 7
112 nsects: 3
113 flags: 0
114 Sections:
115 - sectname: __text
116 segname: __TEXT
117 addr: 0x0000000000000000
118 content: 'AABBCCDD'
119 size: 4
120 offset: 344
121 align: 0
122 reloff: 0x00000000
123 nreloc: 0
124 flags: 0x80000400
125 reserved1: 0x00000000
126 reserved2: 0x00000000
127 reserved3: 0x00000000
128 - sectname: __data
129 segname: __DATA
130 addr: 0x0000000000000004
131 content: 'DDAADDAA'
132 size: 4
133 offset: 348
134 align: 0
135 reloff: 0x00000000
136 nreloc: 0
137 flags: 0x00000000
138 reserved1: 0x00000000
139 reserved2: 0x00000000
140 reserved3: 0x00000000
141 - sectname: __const
142 segname: __TEXT
143 addr: 0x0000000000000008
144 content: 'EEFFEEFF'
145 size: 4
146 offset: 352
147 align: 0
148 reloff: 0x00000000
149 nreloc: 0
150 flags: 0x00000000
151 reserved1: 0x00000000
152 reserved2: 0x00000000
153 reserved3: 0x00000000