1# REQUIRES: x86 2 3## NOTE: Here we check that the first non-header section -- __text -- appears 4## *exactly* `-headerpad` bytes from the end of the header. ld64 actually 5## starts laying out the non-header sections in the __TEXT segment from the end 6## of the (page-aligned) segment rather than the front, so its binaries 7## typically have more than `-headerpad` bytes of actual padding. `-headerpad` 8## just enforces a lower bound. We should consider implementing the same 9## alignment behavior. 10 11# RUN: rm -rf %t; mkdir -p %t 12 13################ Check default behavior 14# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/test.o 15# RUN: %lld -o %t/test %t/test.o 16# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PADx 17# 18# PADx: magic {{.+}} ncmds sizeofcmds flags 19# PADx-NEXT: MH_MAGIC_64 {{.+}} [[#]] [[#%u, CMDSIZE:]] {{.*}} 20# PADx: sectname __text 21# PADx-NEXT: segname __TEXT 22# PADx-NEXT: addr 23# PADx-NEXT: size 24# PADx-NEXT: offset [[#%u, CMDSIZE + 0x20 + 0x20]] 25 26################ Zero pad, no LCDylibs 27# RUN: %no-lsystem-lld -o %t/test %t/test.o -headerpad 0 28# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PAD0 29# RUN: %no-lsystem-lld -o %t/test %t/test.o -headerpad 0 -headerpad_max_install_names 30# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PAD0 31# 32# PAD0: magic {{.+}} ncmds sizeofcmds flags 33# PAD0-NEXT: MH_MAGIC_64 {{.+}} [[#]] [[#%u, CMDSIZE:]] {{.*}} 34# PAD0: sectname __text 35# PAD0-NEXT: segname __TEXT 36# PAD0-NEXT: addr 37# PAD0-NEXT: size 38# PAD0-NEXT: offset [[#%u, CMDSIZE + 0x20 + 0]] 39 40################ Each lexical form of a hex number, no LCDylibs 41# RUN: %no-lsystem-lld -o %t/test %t/test.o -headerpad 11 42# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PAD11 43# RUN: %no-lsystem-lld -o %t/test %t/test.o -headerpad 0x11 44# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PAD11 45# RUN: %no-lsystem-lld -o %t/test %t/test.o -headerpad 0X11 -headerpad_max_install_names 46# RUN: llvm-objdump --macho --all-headers %t/test | FileCheck %s --check-prefix=PAD11 47# 48# PAD11: magic {{.+}} ncmds sizeofcmds flags 49# PAD11-NEXT: MH_MAGIC_64 {{.+}} [[#]] [[#%u, CMDSIZE:]] {{.*}} 50# PAD11: sectname __text 51# PAD11-NEXT: segname __TEXT 52# PAD11-NEXT: addr 53# PAD11-NEXT: size 54# PAD11-NEXT: offset [[#%u, CMDSIZE + 0x20 + 0x11]] 55 56################ Each & all 3 kinds of LCDylib 57# RUN: echo "" | llvm-mc -filetype=obj -triple=x86_64-apple-darwin -o %t/null.o 58# RUN: %lld -o %t/libnull.dylib %t/null.o -dylib \ 59# RUN: -headerpad_max_install_names 60# RUN: llvm-objdump --macho --all-headers %t/libnull.dylib | FileCheck %s --check-prefix=PADMAX 61# RUN: %lld -o %t/libnull.dylib %t/null.o -dylib \ 62# RUN: -headerpad_max_install_names -lSystem 63# RUN: llvm-objdump --macho --all-headers %t/libnull.dylib | FileCheck %s --check-prefix=PADMAX 64# RUN: %lld -o %t/libnull.dylib %t/null.o -dylib \ 65# RUN: -headerpad_max_install_names \ 66# RUN: -lSystem -sub_library libSystem 67# RUN: llvm-objdump --macho --all-headers %t/libnull.dylib | FileCheck %s --check-prefix=PADMAX 68# 69# PADMAX: magic {{.+}} ncmds sizeofcmds flags 70# PADMAX-NEXT: MH_MAGIC_64 {{.+}} [[#%u, N:]] [[#%u, CMDSIZE:]] {{.*}} 71# PADMAX: sectname __text 72# PADMAX-NEXT: segname __TEXT 73# PADMAX-NEXT: addr 74# PADMAX-NEXT: size 75# PADMAX-NEXT: offset [[#%u, CMDSIZE + 0x20 + mul(0x400, N - 9)]] 76 77################ All 3 kinds of LCDylib swamped by a larger override 78# RUN: %lld -o %t/libnull.dylib %t/null.o -dylib \ 79# RUN: -headerpad_max_install_names -headerpad 0x1001 \ 80# RUN: -lSystem -sub_library libSystem 81# RUN: llvm-objdump --macho --all-headers %t/libnull.dylib | FileCheck %s --check-prefix=PADOVR 82# 83# PADOVR: magic {{.+}} ncmds sizeofcmds flags 84# PADOVR-NEXT: MH_MAGIC_64 {{.+}} [[#%u, N:]] [[#%u, CMDSIZE:]] {{.*}} 85# PADOVR: sectname __text 86# PADOVR-NEXT: segname __TEXT 87# PADOVR-NEXT: addr 88# PADOVR-NEXT: size 89# PADOVR-NEXT: offset [[#%u, CMDSIZE + 0x20 + 0x1001]] 90 91.globl _main 92_main: 93 ret 94