commit dffc1410c55f62efbff8f14f8a761a3c3371b6f2
author George Rimar <grimar@accesssoftek.com> Fri Apr 22 11:40:53 2016 +0000
committer George Rimar <grimar@accesssoftek.com> Fri Apr 22 11:40:53 2016 +0000
tree 9b8b7740a76ae5da11491b8c036bb5e53ef6714f
parent b1bfd5039eeadefd3ad071ca46729d5d996586eb

[ELF] - Implemented linkerscript ALIGN command

ALIGN(exp)
Return the location counter (.) aligned to the next exp boundary. (https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/4/html/Using_ld_the_GNU_Linker/expressions.html)

Patch implements this command.
This fixes PR27406.

Differential revision: http://reviews.llvm.org/D19364

llvm-svn: 267145

lld/ELF/LinkerScript.cpp

diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 77ba023..1cfe358 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -94,6 +94,14 @@
       return 0;
     return V;
   }
+  if (Tok == "ALIGN") {
+    if (!expect(Tokens, "("))
+      return 0;
+    uint64_t V = parseExpr(Tokens);
+    if (!expect(Tokens, ")"))
+      return 0;
+    return alignTo(Dot, V);
+  }
   return getInteger(Tok);
 }