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RPCS3/llvm

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Chris Bieneman 9cf90e65d1 [yaml2obj] Remove --format option in favor of YAML tags

Summary:
Our YAML library's handling of tags isn't perfect, but it is good enough to get rid of the need for the --format argument to yaml2obj. This patch does exactly that.

Instead of requiring --format, it infers the format based on the tags found in the object file. The supported tags are:

!ELF
!COFF
!mach-o
!fat-mach-o

I have a corresponding patch that is quite large that fixes up all the in-tree test cases.

Reviewers: rafael, Bigcheese, compnerd, silvas

Subscribers: compnerd, llvm-commits

Differential Revision: http://reviews.llvm.org/D21711

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273915 91177308-0d34-0410-b5e6-96231b3b80d8

2016-06-27 19:53:53 +00:00

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 # RUN: yaml2obj %s | llvm-readobj -file-headers - | FileCheck %s
 !ELF
 FileHeader: !FileHeader
   Class: ELFCLASS64
   Data: ELFDATA2LSB
   Type: 42
   Machine: EM_X86_64
 # CHECK: Type: 0x2A