| // RUN: llvm-mc -filetype=obj -compress-debug-sections -triple x86_64-pc-linux-gnu < %s -o %t |
| // RUN: llvm-objdump -s %t | FileCheck %s |
| // RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck --check-prefix=INFO %s |
| // RUN: llvm-mc -filetype=obj -compress-debug-sections -triple i386-pc-linux-gnu < %s \ |
| // RUN: | llvm-readobj -symbols - | FileCheck --check-prefix=386-SYMBOLS %s |
| |
| // REQUIRES: zlib |
| |
| // CHECK: Contents of section .zdebug_line: |
| // Check for the 'ZLIB' file magic at the start of the section only |
| // CHECK-NEXT: ZLIB |
| // CHECK-NOT: ZLIB |
| // CHECK: Contents of |
| |
| // Don't compress small sections, such as this simple debug_abbrev example |
| // CHECK: Contents of section .debug_abbrev: |
| // CHECK-NOT: ZLIB |
| // CHECK-NOT: Contents of |
| |
| // CHECK: Contents of section .debug_info: |
| |
| // FIXME: Handle compressing alignment fragments to support compressing debug_frame |
| // CHECK: Contents of section .debug_frame: |
| // CHECK-NOT: ZLIB |
| // CHECK: Contents of |
| |
| // Decompress one valid dwarf section just to check that this roundtrips |
| // INFO: 0x00000000: Compile Unit: length = 0x0000000c version = 0x0004 abbr_offset = 0x0000 addr_size = 0x08 (next unit at 0x00000010) |
| |
| // In x86 32 bit named symbols are used for temporary symbols in merge |
| // sections, so make sure we handle symbols inside compressed sections |
| // 386-SYMBOLS: Name: .Linfo_string0 |
| // 386-SYMBOLS-NOT: } |
| // 386-SYMBOLS: Section: .zdebug_str |
| |
| .section .debug_line,"",@progbits |
| |
| .section .debug_abbrev,"",@progbits |
| .Lsection_abbrev: |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 0 # DW_CHILDREN_no |
| .byte 27 # DW_AT_comp_dir |
| .byte 14 # DW_FORM_strp |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| |
| .section .debug_info,"",@progbits |
| .long 12 # Length of Unit |
| .short 4 # DWARF version number |
| .long .Lsection_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] DW_TAG_compile_unit |
| .long .Linfo_string0 # DW_AT_comp_dir |
| |
| .text |
| foo: |
| .cfi_startproc |
| .file 1 "Driver.ii" |
| # pad out the line table to make sure it's big enough to warrant compression |
| .loc 1 2 0 |
| nop |
| .loc 1 3 0 |
| nop |
| .loc 1 4 0 |
| nop |
| .loc 1 5 0 |
| nop |
| .loc 1 6 0 |
| nop |
| .loc 1 7 0 |
| nop |
| .loc 1 8 0 |
| nop |
| .cfi_endproc |
| .cfi_sections .debug_frame |
| |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "compress this " |
