blob: 327003aa7e5ac1c650ab0d28a92082025de46974 (
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|
; RUN: rm -rf %t
; RUN: split-file %s %t
; RUN: yaml2obj %t/payload-extended.yaml -o %t/payload-extended.dylib
; RUN: llvm-objdump --macho --exports-trie %t/payload-extended.dylib 2>&1 | FileCheck %s
; CHECK: 0x00003FB0 _foo
; RUN: yaml2obj %t/payload-truncated.yaml -o %t/payload-truncated.dylib
; RUN: not llvm-objdump --macho --exports-trie %t/payload-truncated.dylib 2>&1 | FileCheck %s --check-prefix=WRONG_SIZE
; WRONG_SIZE: truncated or malformed object (inconsistent export info size: 0x2 where actual size was: 0x3 in export trie data at node: 0x8)
# Yaml was manually crafted to have an export trie with a node entry
# where it's payload is larger than the size needed to read it.
;--- payload-extended.yaml
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x100000C
cpusubtype: 0x0
filetype: 0x6
ncmds: 13
sizeofcmds: 680
flags: 0x100085
reserved: 0x0
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __TEXT
vmaddr: 0
vmsize: 16384
fileoff: 0
filesize: 16384
maxprot: 5
initprot: 5
nsects: 2
flags: 0
Sections:
- sectname: __text
segname: __TEXT
addr: 0x3FB0
size: 8
offset: 0x3FB0
align: 2
reloff: 0x0
nreloc: 0
flags: 0x80000400
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: 20008052C0035FD6
- sectname: __unwind_info
segname: __TEXT
addr: 0x3FB8
size: 72
offset: 0x3FB8
align: 2
reloff: 0x0
nreloc: 0
flags: 0x0
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: 010000001C000000000000001C000000000000001C00000002000000B03F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000000002
- cmd: LC_SEGMENT_64
cmdsize: 72
segname: __LINKEDIT
vmaddr: 16384
vmsize: 16384
fileoff: 16384
filesize: 361
maxprot: 1
initprot: 1
nsects: 0
flags: 0
- cmd: LC_ID_DYLIB
cmdsize: 48
dylib:
name: 24
timestamp: 1
current_version: 0
compatibility_version: 0
Content: '@rpath/libfoo.dylib'
ZeroPadBytes: 5
- cmd: LC_DYLD_INFO_ONLY
cmdsize: 48
rebase_off: 0
rebase_size: 0
bind_off: 0
bind_size: 0
weak_bind_off: 0
weak_bind_size: 0
lazy_bind_off: 0
lazy_bind_size: 0
export_off: 16384
export_size: 16
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 16408
nsyms: 2
stroff: 16440
strsize: 24
- cmd: LC_DYSYMTAB
cmdsize: 80
ilocalsym: 0
nlocalsym: 0
iextdefsym: 0
nextdefsym: 1
iundefsym: 1
nundefsym: 1
tocoff: 0
ntoc: 0
modtaboff: 0
nmodtab: 0
extrefsymoff: 0
nextrefsyms: 0
indirectsymoff: 0
nindirectsyms: 0
extreloff: 0
nextrel: 0
locreloff: 0
nlocrel: 0
- cmd: LC_UUID
cmdsize: 24
uuid: A2CF51D8-828B-3E0F-B8FA-0DF9C5D1C91A
- cmd: LC_BUILD_VERSION
cmdsize: 32
platform: 1
minos: 721664
sdk: 917504
ntools: 1
Tools:
- tool: 3
version: 59441152
- cmd: LC_SOURCE_VERSION
cmdsize: 16
version: 0
- cmd: LC_LOAD_DYLIB
cmdsize: 56
dylib:
name: 24
timestamp: 2
current_version: 87556096
compatibility_version: 65536
Content: '/usr/lib/libSystem.B.dylib'
ZeroPadBytes: 6
- cmd: LC_FUNCTION_STARTS
cmdsize: 16
dataoff: 16400
datasize: 8
- cmd: LC_DATA_IN_CODE
cmdsize: 16
dataoff: 16408
datasize: 0
- cmd: LC_CODE_SIGNATURE
cmdsize: 16
dataoff: 16464
datasize: 281
LinkEditData:
ExportTrie:
TerminalSize: 0
NodeOffset: 0
Name: ''
Flags: 0x0
Address: 0x0
Other: 0x0
ImportName: ''
Children:
- TerminalSize: 4
NodeOffset: 8
Name: _foo
Flags: 0x0
Address: 0x3FB0
Other: 0x0
ImportName: ''
NameList:
- n_strx: 2
n_type: 0xF
n_sect: 1
n_desc: 0
n_value: 16304
- n_strx: 7
n_type: 0x1
n_sect: 0
n_desc: 256
n_value: 0
StringTable:
- ' '
- _foo
- dyld_stub_binder
FunctionStarts: [ 0x3FB0 ]
...
# Yaml was manually crafted to have an export trie with a node entry
# where it's payload is smaller than the size needed to read it.
;--- payload-truncated.yaml
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x100000C
cpusubtype: 0x0
filetype: 0x6
ncmds: 13
sizeofcmds: 680
flags: 0x100085
reserved: 0x0
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: __TEXT
vmaddr: 0
vmsize: 16384
fileoff: 0
filesize: 16384
maxprot: 5
initprot: 5
nsects: 2
flags: 0
Sections:
- sectname: __text
segname: __TEXT
addr: 0x3FB0
size: 8
offset: 0x3FB0
align: 2
reloff: 0x0
nreloc: 0
flags: 0x80000400
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: 20008052C0035FD6
- sectname: __unwind_info
segname: __TEXT
addr: 0x3FB8
size: 72
offset: 0x3FB8
align: 2
reloff: 0x0
nreloc: 0
flags: 0x0
reserved1: 0x0
reserved2: 0x0
reserved3: 0x0
content: 010000001C000000000000001C000000000000001C00000002000000B03F00003400000034000000B93F00000000000034000000030000000C000100100001000000000000000002
- cmd: LC_SEGMENT_64
cmdsize: 72
segname: __LINKEDIT
vmaddr: 16384
vmsize: 16384
fileoff: 16384
filesize: 361
maxprot: 1
initprot: 1
nsects: 0
flags: 0
- cmd: LC_ID_DYLIB
cmdsize: 48
dylib:
name: 24
timestamp: 1
current_version: 0
compatibility_version: 0
Content: '@rpath/libfoo.dylib'
ZeroPadBytes: 5
- cmd: LC_DYLD_INFO_ONLY
cmdsize: 48
rebase_off: 0
rebase_size: 0
bind_off: 0
bind_size: 0
weak_bind_off: 0
weak_bind_size: 0
lazy_bind_off: 0
lazy_bind_size: 0
export_off: 16384
export_size: 16
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 16408
nsyms: 2
stroff: 16440
strsize: 24
- cmd: LC_DYSYMTAB
cmdsize: 80
ilocalsym: 0
nlocalsym: 0
iextdefsym: 0
nextdefsym: 1
iundefsym: 1
nundefsym: 1
tocoff: 0
ntoc: 0
modtaboff: 0
nmodtab: 0
extrefsymoff: 0
nextrefsyms: 0
indirectsymoff: 0
nindirectsyms: 0
extreloff: 0
nextrel: 0
locreloff: 0
nlocrel: 0
- cmd: LC_UUID
cmdsize: 24
uuid: A2CF51D8-828B-3E0F-B8FA-0DF9C5D1C91A
- cmd: LC_BUILD_VERSION
cmdsize: 32
platform: 1
minos: 721664
sdk: 917504
ntools: 1
Tools:
- tool: 3
version: 59441152
- cmd: LC_SOURCE_VERSION
cmdsize: 16
version: 0
- cmd: LC_LOAD_DYLIB
cmdsize: 56
dylib:
name: 24
timestamp: 2
current_version: 87556096
compatibility_version: 65536
Content: '/usr/lib/libSystem.B.dylib'
ZeroPadBytes: 6
- cmd: LC_FUNCTION_STARTS
cmdsize: 16
dataoff: 16400
datasize: 8
- cmd: LC_DATA_IN_CODE
cmdsize: 16
dataoff: 16408
datasize: 0
- cmd: LC_CODE_SIGNATURE
cmdsize: 16
dataoff: 16464
datasize: 281
LinkEditData:
ExportTrie:
TerminalSize: 0
NodeOffset: 0
Name: ''
Flags: 0x0
Address: 0x0
Other: 0x0
ImportName: ''
Children:
- TerminalSize: 2
NodeOffset: 8
Name: _foo
Flags: 0x0
Address: 0x3FB0
Other: 0x0
ImportName: ''
NameList:
- n_strx: 2
n_type: 0xF
n_sect: 1
n_desc: 0
n_value: 16304
- n_strx: 7
n_type: 0x1
n_sect: 0
n_desc: 256
n_value: 0
StringTable:
- ' '
- _foo
- dyld_stub_binder
FunctionStarts: [ 0x3FB0 ]
...
|
