xref: /llvm-project/lld/test/ELF/systemz-gotent-relax-align.s (revision 2f1d79ee702148f452584367ddd0e3c81ecf3c64)
1# REQUIRES: systemz
2## Verify that R_390_GOTENT optimization is not performed on misaligned symbols.
3
4# RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
5# RUN: ld.lld %t.o -o %t1
6# RUN: llvm-readelf -S -r -x .got -x .got.plt %t1 | FileCheck --check-prefixes=CHECK %s
7# RUN: llvm-objdump --no-print-imm-hex -d %t1 | FileCheck --check-prefix=DISASM %s
8
9## We retain one .got entry for the unaligned symbol.
10# CHECK:      Name              Type            Address          Off    Size   ES Flg Lk Inf Al
11# CHECK:      .got              PROGBITS        00000000010021e0 0001e0 000020 00  WA  0   0  8
12# CHECK-NEXT: .relro_padding    NOBITS          0000000001002200 000200 000e00 00  WA  0   0  1
13# CHECK-NEXT: .data             PROGBITS        0000000001003200 000200 000006 00  WA  0   0  2
14
15# CHECK-LABEL: Hex dump of section '.got':
16# CHECK-NEXT:    0x010021e0 00000000 00000000 00000000 00000000
17# CHECK-NEXT:    0x010021f0 00000000 00000000 00000000 01003205
18
19# DISASM:      Disassembly of section .text:
20# DISASM:      <_start>:
21# DISASM-NEXT:   larl    %r1, 0x1003200
22# DISASM-NEXT:   larl    %r1, 0x1003200
23# DISASM-NEXT:   lgrl    %r1, 0x10021f8
24# DISASM-NEXT:   lgrl    %r1, 0x10021f8
25
26.data
27.globl var_align
28.hidden var_align
29 .align 2
30var_align:
31 .long 0
32
33.data
34.globl var_unalign
35.hidden var_unalign
36 .align 2
37 .byte 0
38var_unalign:
39 .byte 0
40
41.text
42.globl _start
43.type _start, @function
44_start:
45 lgrl %r1, var_align@GOT
46 lgrl %r1, var_align@GOT
47 lgrl %r1, var_unalign@GOT
48 lgrl %r1, var_unalign@GOT
49