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Differential D85786 Diff 284932 lld/test/MachO/headerpad.s

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lld/test/MachO/headerpad.s

# REQUIRES: x86 # REQUIRES: x86
## NOTE: Here we check that the first non-header section -- __text -- appears ## NOTE: Here we check that the first non-header section -- __text -- appears
## *exactly* `-headerpad` bytes from the end of the header. ld64 actually ## *exactly* `-headerpad` bytes from the end of the header. ld64 actually
## starts laying out the non-header sections in the __TEXT segment from the end ## starts laying out the non-header sections in the __TEXT segment from the end
## of the (page-aligned) segment rather than the front, so its binaries ## of the (page-aligned) segment rather than the front, so its binaries
## typically have more than `-headerpad` bytes of actual padding. `-headerpad` ## typically have more than `-headerpad` bytes of actual padding. `-headerpad`
## just enforces a lower bound. We should consider implementing the same ## just enforces a lower bound. We should consider implementing the same
## alignment behavior. ## alignment behavior.
# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
# RUN: lld -flavor darwinnew -o %t %t.o -headerpad 0 # RUN: lld -flavor darwinnew -o %t %t.o -headerpad 0
# RUN: llvm-objdump --macho --all-headers %t | FileCheck %s --check-prefix=PAD0 # RUN: llvm-objdump --macho --all-headers %t | FileCheck %s --check-prefix=PAD0
# PAD0: magic cputype cpusubtype caps filetype ncmds sizeofcmds # PAD0: magic cputype cpusubtype caps filetype ncmds sizeofcmds flags
# PAD0-NEXT: MH_MAGIC_64 X86_64 ALL LIB64 EXECUTE 8 [[#%u, CMDSIZE:]] {{.*}} # PAD0-NEXT: MH_MAGIC_64 X86_64 ALL LIB64 EXECUTE 9 [[#%u, CMDSIZE:]] {{.*}}
int3Unsubmitted
Not Done
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nit: add spaces to align with column

int3: nit: add spaces to align with column
# PAD0: sectname __text # PAD0: sectname __text
# PAD0-NEXT: segname __TEXT # PAD0-NEXT: segname __TEXT
# PAD0-NEXT: addr # PAD0-NEXT: addr
# PAD0-NEXT: size # PAD0-NEXT: size
# PAD0-NEXT: offset [[#%u, CMDSIZE + 32]] # PAD0-NEXT: offset [[#%u, CMDSIZE + 32]]
# RUN: lld -flavor darwinnew -o %t %t.o -headerpad 11 # RUN: lld -flavor darwinnew -o %t %t.o -headerpad 11
# RUN: llvm-objdump --macho --all-headers %t | FileCheck %s --check-prefix=PAD11 # RUN: llvm-objdump --macho --all-headers %t | FileCheck %s --check-prefix=PAD11
# PAD11: magic cputype cpusubtype caps filetype ncmds sizeofcmds # PAD11: magic cputype cpusubtype caps filetype ncmds sizeofcmds flags
# PAD11-NEXT: MH_MAGIC_64 X86_64 ALL LIB64 EXECUTE 8 [[#%u, CMDSIZE:]] {{.*}} # PAD11-NEXT: MH_MAGIC_64 X86_64 ALL LIB64 EXECUTE 9 [[#%u, CMDSIZE:]] {{.*}}
# PAD11: sectname __text # PAD11: sectname __text
# PAD11-NEXT: segname __TEXT # PAD11-NEXT: segname __TEXT
# PAD11-NEXT: addr # PAD11-NEXT: addr
# PAD11-NEXT: size # PAD11-NEXT: size
# PAD11-NEXT: offset [[#%u, CMDSIZE + 32 + 0x11]] # PAD11-NEXT: offset [[#%u, CMDSIZE + 32 + 0x11]]
.globl _main .globl _main
_main: _main:
ret ret