116 lines
3.1 KiB
ArmAsm
116 lines
3.1 KiB
ArmAsm
# REQUIRES: zstd
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64 -compress-debug-sections=zstd %s -o %t
|
|
# RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=SEC
|
|
# RUN: llvm-objdump -s %t | FileCheck %s
|
|
|
|
## Check that the large debug sections .debug_line and .debug_frame are compressed
|
|
## and have the SHF_COMPRESSED flag.
|
|
# SEC: .nonalloc PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 00 0 0 1
|
|
# SEC: .debug_line PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 00 C 0 0 8
|
|
# SEC: .debug_abbrev PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 00 0 0 1
|
|
# SEC: .debug_info PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 00 0 0 1
|
|
# SEC: .debug_str PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 01 MSC 0 0 8
|
|
# SEC: .debug_frame PROGBITS [[#%x,]] [[#%x,]] [[#%x,]] 00 C 0 0 8
|
|
|
|
# CHECK: Contents of section .debug_line
|
|
## ch_type == ELFCOMPRESS_ZSTD (2)
|
|
# CHECK-NEXT: 0000 02000000 00000000 55010000 00000000
|
|
# CHECK-NEXT: 0010 01000000 00000000 {{.*}}
|
|
|
|
## The compress/decompress round trip should be identical to the uncompressed output.
|
|
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.uncom
|
|
# RUN: llvm-objcopy --decompress-debug-sections %t %t.decom
|
|
# RUN: cmp %t.uncom %t.decom
|
|
|
|
## Don't compress a section not named .debug_*.
|
|
.section .nonalloc,"",@progbits
|
|
.rept 50
|
|
.asciz "aaaaaaaaaa"
|
|
.endr
|
|
|
|
.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"
|
|
|
|
.rept 3
|
|
.ifdef I386
|
|
pushl %ebp
|
|
.cfi_def_cfa_offset 8
|
|
.cfi_offset %ebp, -8
|
|
movl %esp, %ebp
|
|
.cfi_def_cfa_register %ebp
|
|
pushl %ebx
|
|
pushl %edi
|
|
pushl %esi
|
|
.cfi_offset %esi, -20
|
|
.cfi_offset %edi, -16
|
|
.cfi_offset %ebx, -12
|
|
.loc 1 1 1 prologue_end
|
|
popl %esi
|
|
popl %edi
|
|
popl %ebx
|
|
popl %ebp
|
|
.cfi_def_cfa %esp, 4
|
|
.else
|
|
pushq %rbp
|
|
.cfi_def_cfa_offset 16
|
|
.cfi_offset %rbp, -16
|
|
movq %rsp, %rbp
|
|
.cfi_def_cfa_register %rbp
|
|
pushq %r15
|
|
pushq %r14
|
|
pushq %r13
|
|
pushq %r12
|
|
pushq %rbx
|
|
.cfi_offset %rbx, -56
|
|
.cfi_offset %r12, -48
|
|
.cfi_offset %r13, -40
|
|
.cfi_offset %r14, -32
|
|
.cfi_offset %r15, -24
|
|
.loc 1 1 1 prologue_end
|
|
popq %rbx
|
|
popq %r12
|
|
popq %r13
|
|
popq %r14
|
|
popq %r15
|
|
popq %rbp
|
|
.cfi_def_cfa %rsp, 8
|
|
.endif
|
|
.endr
|
|
|
|
# pad out the line table to make sure it's big enough to warrant compression
|
|
.irpc i, 123456789
|
|
.irpc j, 0123456789
|
|
.loc 1 \i\j \j
|
|
nop
|
|
.endr
|
|
.endr
|
|
.cfi_endproc
|
|
.cfi_sections .debug_frame
|
|
|
|
.section .debug_str,"MS",@progbits,1
|
|
.Linfo_string0:
|
|
.asciz "perfectly compressable data sample *****************************************"
|