1# RUN: llvm-mc -filetype=obj -triple x86_64 %s -o %t
2# RUN: llvm-objdump -dr %t | FileCheck %s
3# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYM
4
5# RUN: not llvm-mc -filetype=obj -triple x86_64 --defsym ERR=1 %s 2>&1 | FileCheck %s --check-prefix=ERR
6
7## If a fixup symbol is equated to an undefined symbol, convert the fixup
8## to be against the target symbol, even if there is a variant (@PLT).
9# CHECK:      callq {{.*}}
10# CHECK-NEXT:   R_X86_64_PLT32  __GI_memcpy-0x4
11# CHECK:      movabsq $0, %rax
12# CHECK-NEXT:   R_X86_64_64  __GI_memcpy+0x2
13memcpy = __GI_memcpy
14call memcpy@PLT
15movabsq $memcpy+2, %rax
16
17# CHECK:      movq (%rip), %rax
18# CHECK-NEXT:   R_X86_64_REX_GOTPCRELX  abs-0x4
19movq abs@GOTPCREL(%rip), %rax
20abs = 42
21
22# CHECK:      movabsq $0, %rbx
23# CHECK-NEXT:   R_X86_64_64  data_alias
24.globl data_alias
25.set data_alias, data
26movabsq $data_alias, %rbx
27
28## A local alias to a defined symbol still references a section symbol.
29# CHECK:      movabsq $0, %rbx
30# CHECK-NEXT:   R_X86_64_64  .data+0x1
31.set data_alias_l, data
32movabsq $data_alias_l, %rbx
33
34.data
35.byte 0
36.globl data
37data:
38
39.ifdef ERR
40.text
41## Note, GNU as emits a relocation for this erroneous fixup.
42# ERR: {{.*}}.s:[[#@LINE+2]]:1: error: expected relocatable expression
43memcpy_plus_1 = __GI_memcpy+1
44call memcpy_plus_1@PLT
45.endif
46
47## Redirected symbols do not have a symbol table entry.
48# SYM:      NOTYPE  LOCAL  DEFAULT UND
49# SYM-NEXT: NOTYPE  LOCAL  DEFAULT ABS abs
50# SYM-NEXT: NOTYPE  LOCAL  DEFAULT   4 data_alias_l
51# SYM-NEXT: SECTION LOCAL  DEFAULT   4 .data
52# SYM-NEXT: NOTYPE  GLOBAL DEFAULT UND __GI_memcpy
53# SYM-NEXT: NOTYPE  GLOBAL DEFAULT   4 data
54# SYM-NEXT: NOTYPE  GLOBAL DEFAULT   4 data_alias
55# SYM-NOT:  {{.}}
56