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10 Commits

Author SHA1 Message Date
Rafael Espindola e01f43bcc1 Add dynamic_table iterators back to ELF.h. 
In tree they are only used by llvm-readobj, but it is also used by
https://github.com/mono/CppSharp.

While at it, add some missing error checking.

llvm-svn: 244320
 2015-08-07 15:25:20 +00:00
Rafael Espindola 8b3b09fdcf Move to llvm-readobj code that is only used there. 
lld might end up using a small part of this, but it will be in a much
refactored form. For now this unblocks avoiding the full section scan in the
ELFFile constructor.

This also has a (very small) error handling improvement.

llvm-svn: 244282
 2015-08-06 21:54:37 +00:00
Rafael Espindola b68a16c47c Simplify iterating over the dynamic section and report broken ones. 
llvm-svn: 242712
 2015-07-20 21:23:29 +00:00
Rafael Espindola 33f250931c Remove Elf_Rela_Iter and Elf_Rel_Iter. 
Use just the pointers and check for invalid relocation sections.

llvm-svn: 242700
 2015-07-20 20:07:50 +00:00
Rafael Espindola 836f2e86e5 Report errors an invalid virtual addresses. 
llvm-svn: 242676
 2015-07-20 14:45:03 +00:00
Rafael Espindola 073624bb56 Simplify iterating over program headers and detect corrupt ones. 
We now use a simple pointer and have range loops.

llvm-svn: 242669
 2015-07-20 13:35:33 +00:00
Rafael Espindola 00ddb1416d llvm-readobj: Handle invalid references to the string table. 
llvm-svn: 242658
 2015-07-20 03:38:17 +00:00
Rafael Espindola c46ffb7a49 Move CHECKs closer to the RUN line. 
llvm-svn: 242657
 2015-07-20 03:31:25 +00:00
Rafael Espindola fb3acd6216 llvm-readobj: call exit(1) on error. 
llvm-readobj exists for testing llvm. We can safely stop the program
the first time we know the input in corrupted.

This is in preparation for making it handle a few more broken files.

llvm-svn: 242656
 2015-07-20 03:23:55 +00:00
Michael J. Spencer 126973ba93 [Object] Split the ELF interface into 3 parts. 
* ELFTypes.h contains template magic for defining types based on endianess, size, and alignment.
* ELFFile.h defines the ELFFile class which provides low level ELF specific access.
* ELFObjectFile.h contains ELFObjectFile which uses ELFFile to implement the ObjectFile interface.

llvm-svn: 188022
 2013-08-08 22:27:13 +00:00