xref: /llvm-project/lld/test/ELF/riscv-section-layout.s (revision 9b65558d2f20463b1a32374165d6fa06696623e9)
1# REQUIRES: riscv
2## Test RISC-V specific section layout. See also section-layout.s and riscv-gp.s.
3
4# RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o
5# RUN: ld.lld -pie %t.32.o -o %t.32
6# RUN: llvm-readelf -S -sX %t.32 | FileCheck %s --check-prefix=NOSDATA
7# RUN: llvm-mc -filetype=obj -triple=riscv32 --defsym=SDATA=1 %s -o %t.32s.o
8# RUN: ld.lld -pie %t.32s.o -o %t.32s
9# RUN: llvm-readelf -S -sX %t.32s | FileCheck %s
10
11# RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o
12# RUN: ld.lld -pie %t.64.o -o %t.64
13# RUN: llvm-readelf -S -sX %t.64 | FileCheck %s --check-prefix=NOSDATA
14# RUN: llvm-mc -filetype=obj -triple=riscv64 --defsym=SDATA=1 %s -o %t.64s.o
15# RUN: ld.lld -pie %t.64s.o -o %t.64s
16# RUN: llvm-readelf -S -sX %t.64s | FileCheck %s
17
18# NOSDATA:      .rodata  PROGBITS
19# NOSDATA-NEXT: .text    PROGBITS
20# NOSDATA-NEXT: .tdata   PROGBITS [[#%x,TDATA:]]
21# NOSDATA-NEXT: .tbss    NOBITS
22# NOSDATA-NEXT: .dynamic DYNAMIC
23# NOSDATA-NEXT: .got     PROGBITS
24# NOSDATA-NEXT: .relro_padding NOBITS
25# NOSDATA-NEXT: .data    PROGBITS [[#%x,DATA:]]
26# NOSDATA-NEXT: .bss     NOBITS   [[#%x,BSS:]]
27
28## If there is an undefined reference to __global_pointer$ but .sdata doesn't
29## exist, define __global_pointer$ and set its st_shndx arbitrarily to 1.
30## The symbol value should not be used by the program.
31
32# NOSDATA-DAG:  [[#]]: {{.*}}                 0 NOTYPE  GLOBAL DEFAULT [[#]] (.text) _etext
33# NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] (.data) _edata
34# NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] (.bss) __bss_start
35# NOSDATA-DAG:  [[#]]: {{0*}}800              0 NOTYPE  GLOBAL DEFAULT  1 (.dynsym) __global_pointer$
36
37# CHECK:      .rodata    PROGBITS
38# CHECK-NEXT: .srodata   PROGBITS
39# CHECK-NEXT: .text      PROGBITS
40# CHECK-NEXT: .tdata     PROGBITS
41# CHECK-NEXT: .tbss      NOBITS
42# CHECK-NEXT: .dynamic   DYNAMIC
43# CHECK-NEXT: .got       PROGBITS
44# CHECK-NEXT: .relro_padding NOBITS
45# CHECK-NEXT: .data      PROGBITS
46# CHECK-NEXT: .sdata     PROGBITS [[#%x,SDATA:]]
47# CHECK-NEXT: .sbss      NOBITS   [[#%x,SBSS:]]
48# CHECK-NEXT: .bss       NOBITS
49
50# CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] (.sdata) _edata
51# CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] (.sbss) __bss_start
52# CHECK-DAG:  [[#]]: {{0*}}[[#SDATA+0x800]] 0 NOTYPE  GLOBAL DEFAULT [[#]] (.sdata) __global_pointer$
53
54.globl _etext, _edata, __bss_start
55  lla gp, __global_pointer$
56
57.section .rodata,"a",@progbits; .space 1
58.section .data,"aw",@progbits; .long _GLOBAL_OFFSET_TABLE_ - .
59.section .bss,"aw",@nobits; .space 1
60.section .tdata,"awT",@progbits; .space 1
61.section .tbss,"awT",@nobits; .space 1
62.ifdef SDATA
63.section .sdata,"aw",@progbits; .space 1
64.section .sdata.suffix,"aw",@progbits; .space 1
65.section .sbss,"aw",@nobits; .space 1
66.section .sbss.suffix,"aw",@nobits; .space 1
67.section .srodata,"a",@progbits; .space 1
68.section .srodata.suffix,"a",@progbits; .space 1
69.endif
70