xref: /llvm-project/lld/test/ELF/linkerscript/common.s (revision 1db59dc8e28819b1960dae8e7fe6d79ad4b03340)
1# REQUIRES: x86
2## Test that COMMON matches common symbols.
3
4# RUN: rm -rf %t && split-file %s %t
5# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %t/a.s -o %t/a.o
6# RUN: ld.lld -T %t/1.t %t/a.o -o %t/a1
7# RUN: llvm-readelf -S -s %t/a1 | FileCheck %s --check-prefix=CHECK1
8# RUN: ld.lld -T %t/2.t %t/a.o -o %t/a2
9# RUN: llvm-readelf -S -s %t/a2 | FileCheck %s --check-prefix=CHECK2
10
11# CHECK1:      [Nr] Name    Type     Address  Off      Size   ES Flg Lk Inf Al
12# CHECK1-NEXT: [ 0]         NULL     [[#%x,]] [[#%x,]] 000000 00      0   0  0
13# CHECK1-NEXT: [ 1] .text   PROGBITS [[#%x,]] [[#%x,]] 000005 00  AX  0   0  4
14# CHECK1-NEXT: [ 2] .data   PROGBITS [[#%x,]] [[#%x,]] 000001 00  WA  0   0  1
15# CHECK1-NEXT: [ 3] .common NOBITS   [[#%x,]] [[#%x,]] 000180 00  WA  0   0 256
16# CHECK1:         Value          Size Type    Bind   Vis     Ndx   Name
17# CHECK1-DAG:  [[#%x,]]           128 OBJECT  GLOBAL DEFAULT [[#]] q1
18# CHECK1-DAG:  [[#%x,]]           128 OBJECT  GLOBAL DEFAULT [[#]] q2
19
20# CHECK2:      [Nr] Name    Type     Address  Off      Size   ES Flg Lk Inf Al
21# CHECK2-NEXT: [ 0]         NULL     [[#%x,]] [[#%x,]] 000000 00      0   0  0
22# CHECK2-NEXT: [ 1] .text   PROGBITS [[#%x,]] [[#%x,]] 000005 00  AX  0   0  4
23# CHECK2-NEXT: [ 2] .data   PROGBITS [[#%x,]] [[#%x,]] 000180 00  WA  0   0 256
24# CHECK2:         Value          Size Type    Bind   Vis     Ndx   Name
25# CHECK2-DAG:  [[#%x,]]           128 OBJECT  GLOBAL DEFAULT [[#]] q1
26# CHECK2-DAG:  [[#%x,]]           128 OBJECT  GLOBAL DEFAULT [[#]] q2
27
28#--- a.s
29.globl _start
30_start:
31  jmp _start
32
33.section .data,"aw",@progbits
34.byte 0
35
36.comm q1,128,8
37.comm q2,128,256
38
39#--- 1.t
40SECTIONS { . = SIZEOF_HEADERS; .common : { *(COMMON) } }
41
42#--- 2.t
43## COMMON can be placed in a SHT_PROGBITS section.
44SECTIONS { . = SIZEOF_HEADERS; .data : { *(.data) *(COMMON) } }
45