RFA: fix default_assemble_visibility (Was: sh-elf toolchain broken on mainline)

[Joern Rennecke <joern dot rennecke at superh dot com>]

Joern Rennecke wrote:
	
> The symbol __dso_handle should both used and defined in crtbegin.o, made
> gcc/crtstuff.c .  Since sh-elf uses "_" as USER_LABEL_PREFIX, the actual
> symbol in the symbol table should be ___dso_handle .
> If nm and/or strings are to be trusted, that is not the case:
> 
> 00000000 D ___dso_handle
>          U __dso_handle
> 
> I.e. the definition gets the USER_LABEL_PREFIX, but the use does not -
> I haven't found out why yet.

It turns out that gcc emits the symbol for the .hidden directive incorrectly -
instead of using assemble_name, it strips the name encoding manually, and
then calls fprintf with the result.
	
-- 
--------------------------
SuperH (UK) Ltd.
2410 Aztec West / Almondsbury / BRISTOL / BS32 4QX
T:+44 1454 465658

2003-04-28  J"orn Rennecke <joern dot rennecke at superh dot com>

	* varasm.c (default_assemble_visibility): Use assemble_name.

Index: varasm.c
===================================================================
RCS file: /cvsroot/gcc/gcc/gcc/varasm.c,v
retrieving revision 1.345
diff -p -r1.345 varasm.c
*** varasm.c	28 Apr 2003 04:13:48 -0000	1.345
--- varasm.c	28 Apr 2003 18:56:13 -0000
*************** default_assemble_visibility (decl, vis)
*** 4485,4496 ****
  
    const char *name, *type;
  
!   name = (* targetm.strip_name_encoding)
! 	 (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
    type = visibility_types[vis];
  
  #ifdef HAVE_GAS_HIDDEN
!   fprintf (asm_out_file, "\t.%s\t%s\n", type, name);
  #else
    warning ("visibility attribute not supported in this configuration; ignored");
  #endif
--- 4485,4497 ----
  
    const char *name, *type;
  
!   name = (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
    type = visibility_types[vis];
  
  #ifdef HAVE_GAS_HIDDEN
!   fprintf (asm_out_file, "\t.%s\t", type);
!   assemble_name (asm_out_file, name);
!   fprintf (asm_out_file, "\n");
  #else
    warning ("visibility attribute not supported in this configuration; ignored");
  #endif