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[DebugInfo] Add a test for dumping DWARF64 CIEs and FDEs (8/8). 

This adds a test to check that Length and CIE_id/CIE_pointer fields in
.debug_frame section are printed as 16-digit hex values if the records
are in the DWARF64 format.

Differential Revision: https://reviews.llvm.org/D79997
This commit is contained in:
Igor Kudrin 2020-05-19 13:36:07 +07:00
parent e94382ee37
commit 61f859785f
1 changed files with 40 additions and 0 deletions
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40
llvm/test/DebugInfo/X86/debug-frame-dwarf64.s Normal file
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# RUN: llvm-mc -triple x86_64 %s -filetype=obj -o - | \
# RUN: llvm-dwarfdump -debug-frame - | \
# RUN: FileCheck %s
# CHECK: 00000000 0000000000000010 ffffffffffffffff CIE
# CHECK-NEXT: Version: 4
# CHECK-NEXT: Augmentation: ""
# CHECK-NEXT: Address size: 8
# CHECK-NEXT: Segment desc size: 0
# CHECK-NEXT: Code alignment factor: 1
# CHECK-NEXT: Data alignment factor: -8
# CHECK-NEXT: Return address column: 16
# CHECK-EMPTY:
# CHECK-NEXT: DW_CFA_nop:
# CHECK: 0000001c 0000000000000018 0000000000000000 FDE cie=00000000 pc=00112233...00122233
.section .debug_frame, "", @progbits
.LCIE:
.long 0xffffffff # DWARF64 mark
.quad .LCIEend-.LCIEid # Length
.LCIEid:
.quad 0xffffffffffffffff # CIE id
.byte 4 # Version
.asciz "" # Augmentation
.byte 8 # Address size
.byte 0 # Segment selector size
.uleb128 1 # Code alignment factor
.sleb128 -8 # Data alignment factor
.uleb128 16 # Return address register
.byte 0 # DW_CFA_nop
.LCIEend:
.LFDE:
.long 0xffffffff # DWARF64 mark
.quad .LFDEend-.LFDEcieptr # Length
.LFDEcieptr:
.quad .LCIE-.debug_frame # CIE pointer
.quad 0x00112233 # Initial location
.quad 0x00010000 # Address range
.LFDEend: