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11 Commits

Author SHA1 Message Date
Rafael Espindola
28b186f3cc Improve the --expand-relocs handling of MachO. 
In a relocation target can take 3 basic forms

* A r_value in scattered relocations.
* A symbol in external relocations.
* A section is non-external relocations.

Have the dump reflect that. With this change we go from

CHECK-NEXT:       Extern: 0
CHECK-NEXT:       Type: X86_64_RELOC_SUBTRACTOR (5)
CHECK-NEXT:       Symbol: 0x2
CHECK-NEXT:       Scattered: 0

To just

// CHECK-NEXT:       Type: X86_64_RELOC_SUBTRACTOR (5)
// CHECK-NEXT:       Section: __data (2)

Since the relocation is with a section, we print the seciton name and don't
need to say that it is not scattered or external.

Someone motivated can add further special cases for things like
ARM64_RELOC_ADDEND and ARM_RELOC_PAIR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240073 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-06-18 22:38:20 +00:00
Rafael Espindola
21b9b20f36 Use llvm-readobj. NFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224864 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-26 18:22:05 +00:00
Hans Wennborg
7fcd5f8c89 MachObjectWriter: optimize the string table for common suffices 
This is a follow-up to r207670 (ELF) and r218636 (COFF).

Differential Revision: http://reviews.llvm.org/D5622

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219126 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-10-06 17:05:19 +00:00
Daniel Dunbar
44fa0473ae macho-dump: Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-27 04:00:06 +00:00
Daniel Dunbar
23bea41ec6 MC/Mach-O/i386: Fix a crash in relocation handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-17 15:21:50 +00:00
Rafael Espindola
228290c0d1 Change section_data dumping to print hex numbers instead of using 
python's %r.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113685 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-11 15:25:58 +00:00
Daniel Dunbar
a8251fac10 MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use a 
scattered relocation entry with a .weak_definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-10 23:15:20 +00:00
Kevin Enderby
a6eeb6e226 Fix i386 relocations to Weak Definitions. The relocation entries should be 
external and the item to be relocated should not have the address of the
symbol added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103302 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-07 21:44:23 +00:00
Daniel Dunbar
2d7fd61e94 MC/Mach-O: Mark absolute variable's appropriately, and add Mach-O support for 
writing them.
 - <rdar://problem/7885351> integrated assembler broken for i386 objc code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-05 19:01:05 +00:00
Daniel Dunbar
939f8d7ca2 MC/Mach-O: Factor out isScatteredFixupFullyResolvedSimple predicate, and fix some corner cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-19 03:18:12 +00:00
Daniel Dunbar
3f6a960f9c llvm-mc/Mach-O: Add support for relocations. 
- I haven't really tried to find the "right" way to store the fixups or apply
   them, yet. This works, but isn't particularly elegant or fast.

 - Still no evaluation support, so we don't actually ever not turn a fixup into
   a relocation entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-08-26 13:58:10 +00:00