[lld] r322801 - Handle parsing AT(ADDR(.foo-bar)).

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Wed Jan 17 17:14:57 2018
New Revision: 322801

URL: http://llvm.org/viewvc/llvm-project?rev=322801&view=rev
Log:
Handle parsing AT(ADDR(.foo-bar)).

The problem we had with it is that anything inside an AT is an
expression, so we failed to parse the section name because of the - in
it.

Added:
    lld/trunk/test/ELF/linkerscript/parse-section-in-addr.s
Modified:
    lld/trunk/ELF/ScriptParser.cpp

Modified: lld/trunk/ELF/ScriptParser.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/ScriptParser.cpp?rev=322801&r1=322800&r2=322801&view=diff
==============================================================================
--- lld/trunk/ELF/ScriptParser.cpp (original)
+++ lld/trunk/ELF/ScriptParser.cpp Wed Jan 17 17:14:57 2018
@@ -923,7 +923,10 @@ ByteCommand *ScriptParser::readByteComma
 
 StringRef ScriptParser::readParenLiteral() {
   expect("(");
+  bool Orig = InExpr;
+  InExpr = false;
   StringRef Tok = next();
+  InExpr = Orig;
   expect(")");
   return Tok;
 }

Added: lld/trunk/test/ELF/linkerscript/parse-section-in-addr.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/linkerscript/parse-section-in-addr.s?rev=322801&view=auto
==============================================================================
--- lld/trunk/test/ELF/linkerscript/parse-section-in-addr.s (added)
+++ lld/trunk/test/ELF/linkerscript/parse-section-in-addr.s Wed Jan 17 17:14:57 2018
@@ -0,0 +1,10 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+
+# RUN: echo "SECTIONS {                                   \
+# RUN:         .foo-bar : AT(ADDR(.foo-bar)) { *(.text) } \
+# RUN:       }" > %t.script
+# RUN: ld.lld -o %t.so --script %t.script %t.o -shared
+# RUN: llvm-readelf -S %t.so | FileCheck %s
+
+# CHECK: .foo-bar