| # REQUIRES: x86 |
| # RUN: mkdir -p %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %p/Inputs/libhello.s \ |
| # RUN: -o %t/libhello.o |
| # RUN: %lld -lSystem -dylib -install_name \ |
| # RUN: @executable_path/libhello.dylib %t/libhello.o -o %t/libhello.dylib |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/test.o |
| |
| # RUN: %lld -lSystem -o %t/test %t/test.o -L%t -lhello |
| # RUN: llvm-objdump --macho --full-contents --rebase --bind %t/test | FileCheck %s --check-prefixes=CHECK,PIE --match-full-lines |
| # RUN: %lld -no_pie -data_const -lSystem -o %t/test %t/test.o -L%t -lhello |
| # RUN: llvm-objdump --macho --full-contents --rebase --bind %t/test | FileCheck %s --check-prefixes=CHECK,NO-PIE --match-full-lines |
| |
| ## Check that the GOT references the cstrings. --full-contents displays the |
| ## address offset and the contents at that address very similarly, so am using |
| ## --match-full-lines to make sure we match on the right thing. |
| # CHECK: Contents of section __TEXT,__cstring: |
| # CHECK-NEXT: 100000444 {{.*}} |
| |
| ## 1st 8 bytes refer to the start of __cstring + 0xe, 2nd 8 bytes refer to the |
| ## start of __cstring |
| # CHECK: Contents of section __DATA_CONST,__got: |
| # CHECK-NEXT: [[#%X,ADDR:]] 52040000 01000000 44040000 01000000 {{.*}} |
| # CHECK-NEXT: [[#ADDR + 16]] 00000000 00000000 {{.*}} |
| |
| ## Check that the rebase table is empty. |
| # NO-PIE: Rebase table: |
| # NO-PIE-NEXT: segment section address type |
| |
| # PIE: Rebase table: |
| # PIE-NEXT: segment section address type |
| # PIE-NEXT: __DATA_CONST __got 0x[[#%X,ADDR:]] pointer |
| # PIE-NEXT: __DATA_CONST __got 0x[[#ADDR + 8]] pointer |
| |
| ## Check that a non-locally-defined symbol is still bound at the correct offset: |
| # CHECK-EMPTY: |
| # CHECK-NEXT: Bind table: |
| # CHECK-NEXT: segment section address type addend dylib symbol |
| # CHECK-NEXT: __DATA_CONST __got 0x[[#ADDR+16]] pointer 0 libhello _hello_its_me |
| |
| .globl _main |
| |
| .text |
| _main: |
| movl $0x2000004, %eax # write() syscall |
| mov $1, %rdi # stdout |
| movq _hello_its_me@GOTPCREL(%rip), %rsi |
| mov $15, %rdx # length of str |
| syscall |
| |
| movl $0x2000004, %eax # write() syscall |
| mov $1, %rdi # stdout |
| ## We use pushq/popq here instead of movq in order to avoid relaxation. |
| pushq _hello_world@GOTPCREL(%rip) |
| popq %rsi |
| mov $13, %rdx # length of str |
| syscall |
| |
| movl $0x2000004, %eax # write() syscall |
| mov $1, %rdi # stdout |
| pushq _goodbye_world@GOTPCREL(%rip) |
| popq %rsi |
| mov $15, %rdx # length of str |
| syscall |
| |
| mov $0, %rax |
| ret |
| |
| .section __TEXT,__cstring |
| _hello_world: |
| .asciz "Hello world!\n" |
| |
| _goodbye_world: |
| .asciz "Goodbye world!\n" |