From: Ian Lance Taylor <iant@google.com>
Date: Fri, 26 Oct 2007 22:16:06 +0000 (+0000)
Subject: From Craig Silverstein: preliminary support for OPTION in linker script.
X-Git-Tag: sid-snapshot-20071101~71
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=195e7dc6c1d9ed2d3ea5dca8c7798799383b7341;p=external%2Fbinutils.git

From Craig Silverstein: preliminary support for OPTION in linker script.
---

diff --git a/gold/script-c.h b/gold/script-c.h
index cb0ef8e..1214800 100644
--- a/gold/script-c.h
+++ b/gold/script-c.h
@@ -66,6 +66,10 @@ script_start_as_needed(void* closure);
 extern void
 script_end_as_needed(void* closure);
 
+/* Called by the bison parser to parse an OPTION.  */
+extern void
+script_parse_option(void* closure, const char*);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/gold/script.cc b/gold/script.cc
index 2cea0c8..08be65f 100644
--- a/gold/script.cc
+++ b/gold/script.cc
@@ -1045,6 +1045,7 @@ Keyword_to_parsecode::keyword_parsecodes_[] =
   { "NOLOAD", NOLOAD },
   { "ONLY_IF_RO", ONLY_IF_RO },
   { "ONLY_IF_RW", ONLY_IF_RW },
+  { "OPTION", OPTION },
   { "ORIGIN", ORIGIN },
   { "OUTPUT", OUTPUT },
   { "OUTPUT_ARCH", OUTPUT_ARCH },
@@ -1257,3 +1258,12 @@ script_end_as_needed(void* closurev)
   Parser_closure* closure = static_cast<Parser_closure*>(closurev);
   closure->position_dependent_options().clear_as_needed();
 }
+
+// Called by the bison parser to parse an OPTION.
+
+extern "C" void
+script_parse_option(void* closurev, const char* option)
+{
+  Parser_closure* closure = static_cast<Parser_closure*>(closurev);
+  printf("%s: Saw option %s\n", closure->filename(), option);  //!!
+}
diff --git a/gold/yyscript.y b/gold/yyscript.y
index b78c09b..3250e8e 100644
--- a/gold/yyscript.y
+++ b/gold/yyscript.y
@@ -151,6 +151,13 @@
 %token TRUNCATE
 %token VERSIONK		/* VERSION */
 
+/* Keywords, part 2.  These are keywords that are unique to gold,
+   and not present in the old GNU linker.  As before, unless the
+   comments say otherwise, the keyword is recognized as the token
+   name in upper case. */
+
+%token OPTION
+
 %%
 
 file_list:
@@ -164,6 +171,8 @@ file_cmd:
 	    { script_start_group(closure); }
 	  '(' input_list ')'
 	    { script_end_group(closure); }
+        | OPTION '(' STRING ')'
+            { script_parse_option(closure, $3); }
 	;
 
 input_list: