From 23dd15e26d81c3230e7dc7b184a5dc8e37e8f3bb Mon Sep 17 00:00:00 2001
From: Jean-Daniel Dupas <devlists@shadowlab.org>
Date: Thu, 18 Dec 2014 21:33:38 +0000
Subject: [macho] -rpath support

Summary:
Work on adding -rpath support to the mach-o linker.
This patch is based on the ld64 behavior for the command line option validation.

It includes a basic test to check that the LC_RPATH load commands are properly generated when that option is used.

It also add LC_RPATH support to the binary reader, but I don't know how to test it though.


Reviewers: kledzik

Subscribers: llvm-commits

Projects: #lld

Differential Revision: http://reviews.llvm.org/D6724

llvm-svn: 224544
---
 lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp')

diff --git a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp
index 89c6213c845..ef8ad1d3325 100644
--- a/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp
+++ b/lld/lib/ReaderWriter/MachO/MachONormalizedFileBinaryReader.cpp
@@ -460,6 +460,11 @@ readBinary(std::unique_ptr<MemoryBuffer> &mb,
       f->dependentDylibs.push_back(entry);
      }
       break;
+    case LC_RPATH: {
+      const rpath_command *rpc = reinterpret_cast<const rpath_command *>(lc);
+      f->rpaths.push_back(lc + read32(&rpc->path, isBig));
+     }
+      break;
     case LC_DYLD_INFO:
     case LC_DYLD_INFO_ONLY:
       dyldInfo = reinterpret_cast<const dyld_info_command*>(lc);
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