Strange link script support

ld/ChangeLog

@@ -1,3 +1,8 @@
+Wed Apr 15 16:09:33 1992  Steve Chamberlain  (sac@thepub.cygnus.com)
+
+	* mri.c, ldgram.y, ldlex.l: added support for minimal strange link
+	scripts.
+
 Thu Apr  9 05:52:02 1992  Ken Raeburn  (Raeburn@Cygnus.COM)
 
 	* Makefile.in (install): Install second copy in $(tooldir)/bin

ld/ldgram.y

@@ -126,7 +126,7 @@ struct sec *section;
 
 /*%token <token> '+' '-' '*' '/' '%'*/
 %right UNARY
-%token END
+%token END 
 %left <token> '('
 %token <token> ALIGN_K BLOCK LONG SHORT BYTE
 %token SECTIONS  
@@ -152,7 +152,7 @@ struct sec *section;
 %type <name>  filename
 
 
-%token CHIP LIST SECT ABSOLUTE  LOAD
+%token CHIP LIST SECT ABSOLUTE  LOAD NEWLINE ENDWORD ORDER NAMEWORD FORMAT
 
 %{
 ld_config_type config;
@@ -345,22 +345,25 @@ mri_script_file:
 	;
 
 mri_script_lines:
-		mri_script_lines mri_script_line
-	|
+		mri_script_lines mri_script_command NEWLINE
+          |
 	;
 
-mri_script_line:
+mri_script_command:
 		CHIP  exp 
 	|	CHIP  exp ',' exp
 	|	NAME 	{
-			einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",
-				$1);
+			einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1);
 			}
 	|	LIST  	{
 			write_map = true;
 			config.map_filename = "-";
 			}
-	|	SECT NAME ',' exp
+        |       ORDER ordernamelist
+	|       ENDWORD 
+	| 	FORMAT NAME
+			{ mri_format($2); }
+	|	SECT NAME ',' exp 
 			{ mri_output_section($2, $4);}
 	|	SECT NAME  exp
 			{ mri_output_section($2, $3);}
@@ -368,6 +371,15 @@ mri_script_line:
 			{ mri_output_section($2, $4);}
 	|	ABSOLUTE mri_abs_name_list
 	|	LOAD	 mri_load_name_list
+	|       NAMEWORD NAME 
+			{ mri_name($2); }   
+        |
+	;
+
+ordernamelist:
+	      ordernamelist ',' NAME         { mri_order($3); }
+	|     ordernamelist  NAME         { mri_order($2); }
+      	|
 	;
 
 mri_load_name_list:

ld/ldlex.l

@@ -65,7 +65,7 @@ unsigned int include_stack_ptr = 0;
 %a 4000
 %o 5000
 FILENAMECHAR1	[_a-zA-Z\/\.\\]
-FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\]
+FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\]
 FILENAME	{FILENAMECHAR}+
 WHITE		[ \t\n]+ 
 
@@ -277,12 +277,15 @@ WHITE		[ \t\n]+
 <BOTH,SCRIPT>"org"			{ RTOKEN(ORIGIN);}
 <BOTH,SCRIPT>"l"			{ RTOKEN( LENGTH);}
 <BOTH,SCRIPT>"len"			{ RTOKEN( LENGTH);}
-
+<MRI>"\n"	                { ++ lineno;  RTOKEN(NEWLINE); }
 <MRI>^"*".*			{ /* Mri comment line */ }
-<MRI>\n		                { ++ lineno;  }
+<MRI>"END"                      { RTOKEN(ENDWORD); }
 <MRI>"CHIP"                     { RTOKEN(CHIP); }
 <MRI>"LOAD"                     { RTOKEN(LOAD); }
-<MRI>"LIST".*\n                 { RTOKEN(LIST); /* LIST and ignore to end of line */ }
+<MRI>"ORDER"                    { RTOKEN(ORDER); }
+<MRI>"NAME"                     { RTOKEN(NAMEWORD); }
+<MRI>"FORMAT"                   { RTOKEN(FORMAT); }
+<MRI>"LIST".*                   { RTOKEN(LIST); /* LIST and ignore to end of line */ }
 <MRI>"SECT"			{ RTOKEN(SECT); }
 <MRI>"ABSOLUTE"			{ RTOKEN(ABSOLUTE); }
 

ld/mri.c

@@ -47,15 +47,19 @@ DEFUN(mri_output_section, (name, vma),
 
   os->flags = 0;
   os->block_value = 0;
- }
+}
 
 /* if any ABSOLUTE <name> are in the script, only load those files
 marked thus */
 
 void DEFUN(mri_only_load,(name), CONST char *name)
- {
+{
+  lang_output_section_statement_type *os;
 
+  os =  lang_output_section_statement_lookup(name);
 
+  os->flags = 0;
+  os->block_value = 0;
 
 }
 
@@ -67,3 +71,38 @@ DEFUN(mri_load,(name),
 
   lang_add_input_file(name, lang_input_file_is_file_enum, (char *)NULL);
 }
+
+
+void
+DEFUN(mri_order,(name),
+      CONST char *name)
+{
+einfo("Ignoring ORDER %s for the moment\n", name);
+
+}
+
+void 
+DEFUN(mri_name,(name),
+      CONST char *name)
+{
+  lang_add_output(name);
+
+}
+
+
+void
+DEFUN(mri_format,(name),
+      CONST char *name)
+{
+  if (strcmp(name, "S") == 0)
+  {
+    lang_add_output_format("srec");
+  }
+  else if (strcmp(name, "IEEE") == 0)
+  {
+    lang_add_output_format("ieee");
+  }
+  else {
+    einfo("%P%F: unknown format type %s\n", name);
+  }
+}