diff options
Diffstat (limited to 'llvm/test/tools/llvm-objcopy/ELF/compress-sections-within-segment.s')
-rw-r--r-- | llvm/test/tools/llvm-objcopy/ELF/compress-sections-within-segment.s | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-objcopy/ELF/compress-sections-within-segment.s b/llvm/test/tools/llvm-objcopy/ELF/compress-sections-within-segment.s new file mode 100644 index 0000000..064ffca --- /dev/null +++ b/llvm/test/tools/llvm-objcopy/ELF/compress-sections-within-segment.s @@ -0,0 +1,38 @@ +## Disallow (de)compression for sections within a segment as they are +## effectively immutable. +# RUN: rm -rf %t && mkdir %t && cd %t +# RUN: yaml2obj %s -o a +# RUN: not llvm-objcopy a /dev/null --compress-sections .text=zlib 2>&1 | FileCheck %s --implicit-check-not=error: + +# CHECK: error: 'a': section '.text' within a segment cannot be (de)compressed + +# RUN: not llvm-objcopy a /dev/null --compress-sections foo=none 2>&1 | FileCheck %s --check-prefix=CHECK2 --implicit-check-not=error: + +# CHECK2: error: 'a': section 'foo' within a segment cannot be (de)compressed + +## There is an error even if 'foo' is already compressed with zlib. +# RUN: not llvm-objcopy a /dev/null --compress-sections foo=zlib 2>&1 | FileCheck %s --check-prefix=CHECK3 --implicit-check-not=error: + +# CHECK3: error: 'a': section 'foo' within a segment cannot be (de)compressed + +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_X86_64 +ProgramHeaders: + - Type: PT_LOAD + FirstSec: .text + LastSec: foo + Align: 0x1000 + Offset: 0x1000 +Sections: + - Name: .text + Type: SHT_PROGBITS + Offset: 0x1000 + Content: C3 + - Name: foo + Type: SHT_PROGBITS + Flags: [ SHF_COMPRESSED ] + Content: 010000000000000040000000000000000100000000000000789cd36280002d3269002f800151 |