varasm.c (function_section): New function.

	* varasm.c (function_section): New function.
	(assemble_start_function): Call it.
	* output.h (function_section): Declare it.
	* final.c (final_scan_insn): Call function_section instead of
	text_section.
	* dwarfout.c (dwarfout_begin_block): Likewise.
	(dwarfout_end_block): Likewise.
	(dwarfout_label): Likewise.
	(dwarfout_begin_function): Likewise.
	(dwarfout_end_function): Likewise.
	(dwarfout_line): Likewise.

From-SVN: r8942

gcc/dwarfout.c

@@ -4923,7 +4923,7 @@ dwarfout_begin_block (blocknum)
 {
   char label[MAX_ARTIFICIAL_LABEL_BYTES];
 
-  text_section ();
+  function_section (current_function_decl);
   sprintf (label, BLOCK_BEGIN_LABEL_FMT, blocknum);
   ASM_OUTPUT_LABEL (asm_out_file, label);
 }
@@ -4937,7 +4937,7 @@ dwarfout_end_block (blocknum)
 {
   char label[MAX_ARTIFICIAL_LABEL_BYTES];
 
-  text_section ();
+  function_section (current_function_decl);
   sprintf (label, BLOCK_END_LABEL_FMT, blocknum);
   ASM_OUTPUT_LABEL (asm_out_file, label);
 }
@@ -4953,7 +4953,7 @@ dwarfout_label (insn)
     {
       char label[MAX_ARTIFICIAL_LABEL_BYTES];
 
-      text_section ();
+      function_section (current_function_decl);
       sprintf (label, INSN_LABEL_FMT, current_funcdef_number,
 				      (unsigned) INSN_UID (insn));
       ASM_OUTPUT_LABEL (asm_out_file, label);
@@ -4969,7 +4969,7 @@ dwarfout_begin_function ()
 {
   char label[MAX_ARTIFICIAL_LABEL_BYTES];
 
-  text_section ();
+  function_section (current_function_decl);
   sprintf (label, BODY_BEGIN_LABEL_FMT, current_funcdef_number);
   ASM_OUTPUT_LABEL (asm_out_file, label);
 }
@@ -4982,7 +4982,7 @@ dwarfout_end_function ()
 {
   char label[MAX_ARTIFICIAL_LABEL_BYTES];
 
-  text_section ();
+  function_section (current_function_decl);
   sprintf (label, BODY_END_LABEL_FMT, current_funcdef_number);
   ASM_OUTPUT_LABEL (asm_out_file, label);
 }
@@ -5156,7 +5156,7 @@ dwarfout_line (filename, line)
       static unsigned prev_file_entry_num = (unsigned) -1;
       register unsigned this_file_entry_num = lookup_filename (filename);
 
-      text_section ();
+      function_section (current_function_decl);
       sprintf (label, LINE_CODE_LABEL_FMT, ++last_line_entry_num);
       ASM_OUTPUT_LABEL (asm_out_file, label);
 

gcc/final.c

@@ -1511,7 +1511,7 @@ final_scan_insn (insn, file, optimize, prescan, nopeepholes)
 					    / BITS_PER_UNIT));
 #endif /* READONLY_DATA_SECTION */
 #else /* JUMP_TABLES_IN_TEXT_SECTION */
-	      text_section ();
+	      function_section (current_function_decl);
 #endif /* JUMP_TABLES_IN_TEXT_SECTION */
 #ifdef ASM_OUTPUT_CASE_LABEL
 	      ASM_OUTPUT_CASE_LABEL (file, "L", CODE_LABEL_NUMBER (insn),
@@ -1600,7 +1600,7 @@ final_scan_insn (insn, file, optimize, prescan, nopeepholes)
 				 insn);
 #endif
 
-	    text_section ();
+	    function_section (current_function_decl);
 
 	    break;
 	  }

gcc/output.h

@@ -136,6 +136,9 @@ extern int in_text_section		PROTO((void));
    If NAME is NULL, get the name from DECL.  */
 extern void named_section		PROTO((tree, char *));
 
+/* Tell assembler to switch to the section for function DECL.  */
+extern void function_section		PROTO((tree));
+
 /* Create the rtl to represent a function, for a function definition.
    DECL is a FUNCTION_DECL node which describes which function.
    The rtl is stored into DECL.  */

gcc/varasm.c

@@ -245,6 +245,23 @@ named_section (decl, name)
     }
 }
 
+/* Switch to the section for function DECL.
+
+   If DECL is NULL_TREE, switch to the text section.
+   ??? It's not clear that we will ever be passed NULL_TREE, but it's
+   safer to handle it.  */
+
+void
+function_section (decl)
+     tree decl;
+{
+  if (decl != NULL_TREE
+      && DECL_SECTION_NAME (decl) != NULL_TREE)
+    named_section (decl, (char *) 0);
+ else
+   text_section ();
+}
+
 /* Create the rtl to represent a function, for a function definition.
    DECL is a FUNCTION_DECL node which describes which function.
    The rtl is stored into DECL.  */
@@ -733,10 +750,7 @@ assemble_start_function (decl, fnname)
 
   output_constant_pool (fnname, decl);
 
-  if (IN_NAMED_SECTION (decl))
-    named_section (decl, NULL);
-  else
-    text_section ();
+  function_section (decl);
 
   /* Tell assembler to move to target machine's alignment for functions.  */
   align = floor_log2 (FUNCTION_BOUNDARY / BITS_PER_UNIT);