compress-debug-sections.s
1.28 KB
# REQUIRES: x86, zlib
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux \
# RUN: %S/Inputs/compress-debug-sections.s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t2.o
## .debug_str section is mergeable. LLD would combine all of them into single
## mergeable synthetic section. We use -O0 here to disable merging, that
## allows to check that input sections has correctly assigned offsets.
# RUN: echo "SECTIONS { }" > %t.script
# RUN: ld.lld -O0 %t1.o %t2.o %t.script -o %t1 --compress-debug-sections=zlib
# RUN: llvm-dwarfdump -a %t1 | FileCheck %s
# RUN: llvm-readobj -S %t1 | FileCheck %s --check-prefix=ZLIBFLAGS
# RUN: echo "SECTIONS { .debug_str 0 : { *(.debug_str) } }" > %t2.script
# RUN: ld.lld -O0 %t1.o %t2.o %t2.script -o %t2 --compress-debug-sections=zlib
# RUN: llvm-dwarfdump -a %t2 | FileCheck %s
# RUN: llvm-readobj -S %t2 | FileCheck %s --check-prefix=ZLIBFLAGS
# CHECK: .debug_str contents:
# CHECK-NEXT: CCC
# CHECK-NEXT: DDD
# CHECK-NEXT: AAA
# CHECK-NEXT: BBB
# ZLIBFLAGS: Section {
# ZLIBFLAGS: Index:
# ZLIBFLAGS: Name: .debug_str
# ZLIBFLAGS-NEXT: Type: SHT_PROGBITS
# ZLIBFLAGS-NEXT: Flags [
# ZLIBFLAGS-NEXT: SHF_COMPRESSED
.section .debug_str,"MS",@progbits,1
.asciz "AAA"
.asciz "BBB"