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5 Commits

Author SHA1 Message Date
Frederic Riss
e9e16aa4a5 [dwarfdump] Make debug_frame dump actually useful. 
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
 2015-02-25 21:30:22 +00:00
Eli Bendersky
7bf3d6a043 Previously, parsing capability of the .debug_frame section was added 
to lib/DebugInfo, with dumping in llvm-dwarfdump. This patch adds
initial ability to parse and dump CFA instructions contained in
entries.

To keep it manageable, the patch omits some more advanced capabilities
(accounted in TODOs):

* Parsing of instructions with BLOCK arguments (expression lists)
* Dumping of actual instruction arguments (currently only names are
dumped). This is quite tricky since the dumper has to effectively
"interpret" the instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175820 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-21 22:53:19 +00:00
Eli Bendersky
bfa18fdfbf Fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174553 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 22:34:46 +00:00
Eli Bendersky
f91b23c8cd Add a comment to the test that points to the source from which the input object 
file was generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174551 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 22:17:40 +00:00
Eli Bendersky
62b055fd50 Add a test for checking the current .debug_frame dumping capability. 
The test is a binary placed in test/DebugInfo/Inputs, with a source C
file used for reference/reproducing. The source's first line is a clang
build command for reproducing the binary.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174543 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-02-06 20:55:06 +00:00