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3 Commits

Author SHA1 Message Date
Petr Hosek
14cd5c2405 [ELF] Allow arbitrary code alignment in .eh_frame 
According to the specification, CIE code alignment factor is an
arbitrary unsigned LEB128 encoded value.

Differential revision: https://reviews.llvm.org/D22954

llvm-svn: 277105
 2016-07-29 04:41:38 +00:00
Ed Maste
594e06b879 ELF: Handle empty CIE augmentation string 
"A zero length string indicates that no augmentation data is present."

The FreeBSD/mips toolchain (GCC 4.2.1) generates .debug_frame sections
containing CIE records that have an empty augmentation string.

Differential Revision: http://reviews.llvm.org/D19928

llvm-svn: 270706
 2016-05-25 14:45:28 +00:00
Rui Ueyama
f5febef249 Create a new file EhFrame.cpp and move code to read .eh_frame there. 
llvm-svn: 270526
 2016-05-24 02:55:45 +00:00