Vendor import of llvm tags/RELEASE_33/final r183502 (effectively, 3.3

release):
http://llvm.org/svn/llvm-project/llvm/tags/RELEASE_33/final@183502

1 files changed, 39 insertions, 0 deletions

diff --git a/docs/Extensions.rst b/docs/Extensions.rst
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+===============
+LLVM Extensions
+===============
+
+.. contents::
+   :local:
+   :depth: 1
+
+.. toctree::
+   :hidden:
+
+Introduction
+============
+
+This document describes extensions to tools and formats LLVM seeks compatibility
+with.
+
+Machine-specific Assembly Syntax
+================================
+
+X86/COFF-Dependent
+------------------
+
+The following additional relocation type is supported:
+
+**@IMGREL** (AT&T syntax only) generates an image-relative relocation that
+corresponds to the COFF relocation types ``IMAGE_REL_I386_DIR32NB`` (32-bit) or
+``IMAGE_REL_AMD64_ADDR32NB`` (64-bit).
+
+.. code-block:: gas
+
+  .text
+  fun:
+    mov foo@IMGREL(%ebx, %ecx, 4), %eax
+
+  .section .pdata
+    .long fun@IMGREL
+    .long (fun@imgrel + 0x3F)
+    .long $unwind$fun@imgrel