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Commit Graph

11 Commits

Author SHA1 Message Date
Rafael Espindola
d5d60f7168 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.

llvm-svn: 240073
2015-06-18 22:38:20 +00:00
Rafael Espindola
3fc4781cae Use llvm-readobj. NFC.
llvm-svn: 224864
2014-12-26 18:22:05 +00:00
Hans Wennborg
bfbd6eb022 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

llvm-svn: 219126
2014-10-06 17:05:19 +00:00
Daniel Dunbar
6153e5cd7b macho-dump: Fix typo.
llvm-svn: 120185
2010-11-27 04:00:06 +00:00
Daniel Dunbar
ed92665b19 MC/Mach-O/i386: Fix a crash in relocation handling.
llvm-svn: 114176
2010-09-17 15:21:50 +00:00
Rafael Espindola
f926b1b27d Change section_data dumping to print hex numbers instead of using
python's %r.

llvm-svn: 113685
2010-09-11 15:25:58 +00:00
Daniel Dunbar
d2c14ce38d MC/Mach-O: Fix another mismatch with .weak_definition, we shouldn't use a
scattered relocation entry with a .weak_definition.

llvm-svn: 103443
2010-05-10 23:15:20 +00:00
Kevin Enderby
3807a4746a 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.

llvm-svn: 103302
2010-05-07 21:44:23 +00:00
Daniel Dunbar
9a3d46162f 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

llvm-svn: 103112
2010-05-05 19:01:05 +00:00
Daniel Dunbar
f8e4be91ff MC/Mach-O: Factor out isScatteredFixupFullyResolvedSimple predicate, and fix some corner cases.
llvm-svn: 98924
2010-03-19 03:18:12 +00:00
Daniel Dunbar
8c38017009 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.

llvm-svn: 80089
2009-08-26 13:58:10 +00:00