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[dwarfdump] Make debug_frame dump actually useful.

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This adds support for pretty-printing instruction operands. The new
output looks like:

00000000 00000010 ffffffff CIE
  Version:               1
  Augmentation:
  Code alignment factor: 1
  Data alignment factor: -4
  Return address column: 8

  DW_CFA_def_cfa:  reg4 +4
  DW_CFA_offset:  reg8 -4
  DW_CFA_nop:
  DW_CFA_nop:

00000014 00000010 00000000 FDE cie=00000000 pc=00000000...00000022
  DW_CFA_advance_loc:  3
  DW_CFA_def_cfa_offset:  +12
  DW_CFA_nop:

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230551 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Frederic Riss
2015-02-25 21:30:22 +00:00
parent 0a7d07b87b
commit e9e16aa4a5
2 changed files with 148 additions and 15 deletions
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24
test/DebugInfo/dwarfdump-debug-frame-simple.test
View File

@@ -6,22 +6,22 @@
; FRAMES: 00000000 00000010 ffffffff CIE
; FRAMES: Version: 1
; FRAMES: DW_CFA_def_cfa
; FRAMES-NEXT: DW_CFA_offset
; FRAMES-NEXT: DW_CFA_nop
; FRAMES-NEXT: DW_CFA_nop
; FRAMES: DW_CFA_def_cfa: reg4 +4
; FRAMES-NEXT: DW_CFA_offset: reg8 -4
; FRAMES-NEXT: DW_CFA_nop:
; FRAMES-NEXT: DW_CFA_nop:
; FRAMES: 00000014 00000010 00000000 FDE cie=00000000 pc=00000000...00000022
; FRAMES: DW_CFA_advance_loc
; FRAMES-NEXT: DW_CFA_def_cfa_offset
; FRAMES-NEXT: DW_CFA_nop
; FRAMES: DW_CFA_advance_loc: 3
; FRAMES-NEXT: DW_CFA_def_cfa_offset: +12
; FRAMES-NEXT: DW_CFA_nop:
; FRAMES: 00000028 00000014 00000000 FDE cie=00000000 pc=00000030...00000080
; FRAMES: DW_CFA_advance_loc
; FRAMES-NEXT: DW_CFA_def_cfa_offset
; FRAMES-NEXT: DW_CFA_offset
; FRAMES-NEXT: DW_CFA_advance_loc
; FRAMES-NEXT: DW_CFA_def_cfa_register
; FRAMES: DW_CFA_advance_loc: 1
; FRAMES-NEXT: DW_CFA_def_cfa_offset: +8
; FRAMES-NEXT: DW_CFA_offset: reg5 -8
; FRAMES-NEXT: DW_CFA_advance_loc: 2
; FRAMES-NEXT: DW_CFA_def_cfa_register: reg5
; FRAMES-NOT: CIE
; FRAMES-NOT: FDE