# RUN: yaml2obj %s -o %t
# RUN: not llvm-objcopy --remove-section __DATA,C %t /dev/null 2>&1 | FileCheck %s
# CHECK: symbol '_a' defined in section with index '2' cannot be removed because it is referenced by a relocation in section '__TEXT,__text'
## The binary used in this test was built as follows:
## main.c:
## __attribute__((section("__DATA,C"))) int a = 2;
## int f() { return a; }
## build command:
## clang -fno-exceptions -fno-unwind-tables -c main.c -o main.o
--- !mach-o
FileHeader:
magic: 0xFEEDFACF
cputype: 0x01000007
cpusubtype: 0x00000003
filetype: 0x00000001
ncmds: 4
sizeofcmds: 360
flags: 0x00002000
reserved: 0x00000000
LoadCommands:
- cmd: LC_SEGMENT_64
cmdsize: 232
segname: ''
vmaddr: 0
vmsize: 16
fileoff: 392
filesize: 16
maxprot: 7
initprot: 7
nsects: 2
flags: 0
Sections:
- sectname: __text
segname: __TEXT
addr: 0x0000000000000000
size: 12
offset: 0x00000188
align: 4
reloff: 0x00000198
nreloc: 1
flags: 0x80000400
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
content: 554889E58B05000000005DC3
relocations:
- address: 0x00000006
symbolnum: 0
pcrel: true
length: 2
extern: true
type: 1
scattered: false
value: 0
- sectname: C
segname: __DATA
addr: 0x000000000000000C
size: 4
offset: 0x00000194
align: 2
reloff: 0x00000000
nreloc: 0
flags: 0x00000000
reserved1: 0x00000000
reserved2: 0x00000000
reserved3: 0x00000000
content: '02000000'
- cmd: LC_BUILD_VERSION
cmdsize: 24
platform: 1
minos: 658944
sdk: 658944
ntools: 0
- cmd: LC_SYMTAB
cmdsize: 24
symoff: 416
nsyms: 2
stroff: 448
strsize: 8
- cmd: LC_DYSYMTAB
cmdsize: 80
ilocalsym: 0
nlocalsym: 0
iextdefsym: 0
nextdefsym: 2
iundefsym: 2
nundefsym: 0
tocoff: 0
ntoc: 0
modtaboff: 0
nmodtab: 0
extrefsymoff: 0
nextrefsyms: 0
indirectsymoff: 0
nindirectsyms: 0
extreloff: 0
nextrel: 0
locreloff: 0
nlocrel: 0
LinkEditData:
NameList:
- n_strx: 4
n_type: 0x0F
n_sect: 2
n_desc: 0
n_value: 12
- n_strx: 1
n_type: 0x0F
n_sect: 1
n_desc: 0
n_value: 0
StringTable:
- ''
- _f
- _a
- ''
...
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