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Author SHA1 Message Date
Rafael Espindola 4f60a38f18 Change how we iterate over relocations on ELF. 
For COFF and MachO, sections semantically have relocations that apply to them.
That is not the case on ELF.

In relocatable objects (.o), a section with relocations in ELF has offsets to
another section where the relocations should be applied.

In dynamic objects and executables, relocations don't have an offset, they have
a virtual address. The section sh_info may or may not point to another section,
but that is not actually used for resolving the relocations.

This patch exposes that in the ObjectFile API. It has the following advantages:

* Most (all?) clients can handle this more efficiently. They will normally walk
all relocations, so doing an effort to iterate in a particular order doesn't
save time.

* llvm-readobj now prints relocations in the same way the native readelf does.

* probably most important, relocations that don't point to any section are now
visible. This is the case of relocations in the rela.dyn section. See the
updated relocation-executable.test for example.

llvm-svn: 182908
 2013-05-30 03:05:14 +00:00
Nico Rieck ba848e3bca Replace coff-/elf-dump with llvm-readobj 
llvm-svn: 179361
 2013-04-12 04:06:46 +00:00
Rafael Espindola 77dde89b90 Fix the bitwidth of the remaining fields. 
llvm-svn: 136884
 2011-08-04 17:00:11 +00:00
Rafael Espindola 65c559c5fb Change anther counter to decimal. 
llvm-svn: 136870
 2011-08-04 14:01:03 +00:00
Rafael Espindola 69c67d3b18 Print all the bits in the addend. 
llvm-svn: 136867
 2011-08-04 13:00:24 +00:00
Jason W Kim e4df09f7ba Fix http://llvm.org/bugs/show_bug.cgi?id=10568 
Move the reloc size assert into AsmBackend - where it is more apropos.

llvm-svn: 136855
 2011-08-04 00:38:45 +00:00