1# REQUIRES: x86
2# RUN: mkdir -p %t
3# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %p/Inputs/libhello.s \
4# RUN:   -o %t/libhello.o
5# RUN: %lld -lSystem -dylib -install_name \
6# RUN:   @executable_path/libhello.dylib %t/libhello.o -o %t/libhello.dylib
7# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t/test.o
8# RUN: %lld -lSystem -o %t/test %t/test.o -L%t -lhello
9# RUN: llvm-objdump --full-contents --rebase --bind %t/test | FileCheck %s --match-full-lines
10
11## Check that the GOT references the cstrings. --full-contents displays the
12## address offset and the contents at that address very similarly, so am using
13## --match-full-lines to make sure we match on the right thing.
14# CHECK:      Contents of section __TEXT,__cstring:
15# CHECK-NEXT: 100000424 {{.*}}
16
17## 1st 8 bytes refer to the start of __cstring + 0xe, 2nd 8 bytes refer to the
18## start of __cstring
19# CHECK:      Contents of section __DATA_CONST,__got:
20# CHECK-NEXT: [[#%X,ADDR:]]  32040000 01000000 24040000 01000000 {{.*}}
21# CHECK-NEXT: [[#ADDR + 16]] 00000000 00000000 {{.*}}
22
23## Check that the rebase table is empty.
24# CHECK:      Rebase table:
25# CHECK-NEXT: segment      section  address         type
26
27## Check that a non-locally-defined symbol is still bound at the correct offset:
28# CHECK-NEXT: Bind table:
29# CHECK-NEXT: segment      section  address         type     addend  dylib     symbol
30# CHECK-NEXT: __DATA_CONST __got    0x[[#ADDR+16]]  pointer  0       libhello  _hello_its_me
31
32# RUN: %lld -pie -lSystem -o %t/test %t/test.o -L%t -lhello
33# RUN: llvm-objdump --macho --rebase --bind %t/test | FileCheck %s --check-prefix=PIE --match-full-lines
34# PIE:      Rebase table:
35# PIE-NEXT: segment      section  address          type
36# PIE-NEXT: __DATA_CONST __got    0x[[#%X,ADDR:]]  pointer
37# PIE-NEXT: __DATA_CONST __got    0x[[#ADDR + 8]]  pointer
38
39# PIE-NEXT: Bind table:
40# PIE-NEXT: segment      section  address          type     addend  dylib     symbol
41# PIE-NEXT: __DATA_CONST __got    0x[[#ADDR+16]]   pointer  0       libhello  _hello_its_me
42
43.globl _main
44
45.text
46_main:
47  movl $0x2000004, %eax # write() syscall
48  mov $1, %rdi # stdout
49  movq _hello_its_me@GOTPCREL(%rip), %rsi
50  mov $15, %rdx # length of str
51  syscall
52
53  movl $0x2000004, %eax # write() syscall
54  mov $1, %rdi # stdout
55## We use pushq/popq here instead of movq in order to avoid relaxation.
56  pushq _hello_world@GOTPCREL(%rip)
57  popq %rsi
58  mov $13, %rdx # length of str
59  syscall
60
61  movl $0x2000004, %eax # write() syscall
62  mov $1, %rdi # stdout
63  pushq _goodbye_world@GOTPCREL(%rip)
64  popq %rsi
65  mov $15, %rdx # length of str
66  syscall
67
68  mov $0, %rax
69  ret
70
71.section __TEXT,__cstring
72_hello_world:
73  .asciz "Hello world!\n"
74
75_goodbye_world:
76  .asciz "Goodbye world!\n"
77