| # 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 |
| - '' |
| ... |
