tm.texi (TARGET_ASM_ASSEMBLE_VISIBILITY): Describe.

	* doc/tm.texi (TARGET_ASM_ASSEMBLE_VISIBILITY): Describe.
	* target-def.h (TARGET_ASM_ASSEMBLE_VISIBILITY): Define.
	(TARGET_ASM_OUT): Add the above here.
	* target.h (struct gcc_target): Add "visibility" field.
	* varasm.c (maybe_assemble_visibility): Call targetm visibility func.
	* config/rs6000/rs6000.c (rs6000_assemble_visibility): New function.
	(TARGET_ASM_ASSEMBLE_VISIBILITY): Define.
	(rs6000_legitimize_reload_address, first_reg_to_save): Formatting.

From-SVN: r56906

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 695809d33f3529f76d1bb00e2b05bcda710984d4..98f460b494240f938746b5bffd98040fd991d3a4 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,14 @@
+2002-09-07  Alan Modra  <amodra@bigpond.net.au>
+
+       * doc/tm.texi (TARGET_ASM_ASSEMBLE_VISIBILITY): Describe.
+       * target-def.h (TARGET_ASM_ASSEMBLE_VISIBILITY): Define.
+       (TARGET_ASM_OUT): Add the above here.
+       * target.h (struct gcc_target): Add "visibility" field.
+       * varasm.c (maybe_assemble_visibility): Call targetm visibility func.
+       * config/rs6000/rs6000.c (rs6000_assemble_visibility): New function.
+       (TARGET_ASM_ASSEMBLE_VISIBILITY): Define.
+       (rs6000_legitimize_reload_address, first_reg_to_save): Formatting.
+
 2002-09-06  Ziemowit Laski <zlaski@apple.com>
 
        * c-lang.c (objc_is_id): New stub.

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index b05b7a0119d3fc65aef9e4e00c9c89254ca4dd7a..5f66c58223116993f8c98505105e175bbbd05196 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -186,6 +186,7 @@ static void toc_hash_mark_table PARAMS ((void *));
 static int constant_pool_expr_1 PARAMS ((rtx, int *, int *));
 static struct machine_function * rs6000_init_machine_status PARAMS ((void));
 static bool rs6000_assemble_integer PARAMS ((rtx, unsigned int, int));
+static void rs6000_assemble_visibility PARAMS ((tree, const char *));
 static int rs6000_ra_ever_killed PARAMS ((void));
 static tree rs6000_handle_longcall_attribute PARAMS ((tree *, tree, tree, int, bool *));
 const struct attribute_spec rs6000_attribute_table[];
@@ -344,6 +345,11 @@ static const char alt_reg_names[][8] =
 #undef TARGET_ASM_INTEGER
 #define TARGET_ASM_INTEGER rs6000_assemble_integer
 
+#ifdef HAVE_GAS_HIDDEN
+#undef TARGET_ASM_ASSEMBLE_VISIBILITY
+#define TARGET_ASM_ASSEMBLE_VISIBILITY rs6000_assemble_visibility
+#endif
+
 #undef TARGET_ASM_FUNCTION_PROLOGUE
 #define TARGET_ASM_FUNCTION_PROLOGUE rs6000_output_function_prologue
 #undef TARGET_ASM_FUNCTION_EPILOGUE
@@ -2249,7 +2255,7 @@ rs6000_legitimize_reload_address (x, mode, opnum, type, ind_levels, win)
       && REGNO (XEXP (x, 0)) < FIRST_PSEUDO_REGISTER
       && REG_MODE_OK_FOR_BASE_P (XEXP (x, 0), mode)
       && GET_CODE (XEXP (x, 1)) == CONST_INT
-       && !SPE_VECTOR_MODE (mode)
+      && !SPE_VECTOR_MODE (mode)
       && !ALTIVEC_VECTOR_MODE (mode))
     {
       HOST_WIDE_INT val = INTVAL (XEXP (x, 1));
@@ -8152,6 +8158,31 @@ rs6000_assemble_integer (x, size, aligned_p)
 #endif /* RELOCATABLE_NEEDS_FIXUP */
   return default_assemble_integer (x, size, aligned_p);
 }
+
+#ifdef HAVE_GAS_HIDDEN
+/* Emit an assembler directive to set symbol visibility for DECL to
+   VISIBILITY_TYPE.  */
+
+void
+rs6000_assemble_visibility (decl, visibility_type)
+     tree decl;
+     const char *visibility_type;
+{
+  assemble_visibility (decl, visibility_type);
+
+  /* Functions need to have their entry point symbol visibility set as
+     well as their descriptor symbol visibility.  */
+  if (DEFAULT_ABI == ABI_AIX && TREE_CODE (decl) == FUNCTION_DECL)
+    {
+      const char *name;
+
+      name = ((* targetm.strip_name_encoding)
+             (IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl))));
+
+      fprintf (asm_out_file, "\t.%s\t.%s\n", visibility_type, name);
+    }
+}
+#endif
 \f
 enum rtx_code
 rs6000_reverse_condition (mode, code)
@@ -8787,8 +8818,9 @@ first_reg_to_save ()
       break;
 
 #if TARGET_MACHO
-  if (flag_pic && current_function_uses_pic_offset_table &&
-      (first_reg > RS6000_PIC_OFFSET_TABLE_REGNUM))
+  if (flag_pic
+      && current_function_uses_pic_offset_table
+      && first_reg > RS6000_PIC_OFFSET_TABLE_REGNUM)
     return RS6000_PIC_OFFSET_TABLE_REGNUM;
 #endif
 

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index 1b08358d8b398305c5a426a28fbf901b95e0a587..7bc63b6619dec71f4abc01965e550d723478267c 100644 (file)
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -6663,6 +6663,12 @@ you want to control one-only symbol support with a compiler flag, or if
 setting the @code{DECL_ONE_ONLY} flag is enough to mark a declaration to
 be emitted as one-only.
 
+@deftypefn {Target Hook} void TARGET_ASM_ASSEMBLE_VISIBILITY (tree @var{decl}, const char *@var{visibility})
+This target hook is a function to output to @var{asm_out_file} some
+commands that will make the symbol(s) associated with @var{decl} have
+hidden, protected or internal visibility as specified by @var{visibility}.
+@end deftypefn
+
 @findex ASM_OUTPUT_EXTERNAL
 @item ASM_OUTPUT_EXTERNAL (@var{stream}, @var{decl}, @var{name})
 A C statement (sans semicolon) to output to the stdio stream

diff --git a/gcc/target-def.h b/gcc/target-def.h
index 897ad541fc7df71799d6f18f96f6fe3c7cdd3581..939502f1e14deb4dd4f30b7e74afd30186c9ddf6 100644 (file)
--- a/gcc/target-def.h
+++ b/gcc/target-def.h
@@ -58,6 +58,10 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #define TARGET_ASM_GLOBALIZE_LABEL default_globalize_label
 #endif
 
+#ifndef TARGET_ASM_ASSEMBLE_VISIBILITY
+#define TARGET_ASM_ASSEMBLE_VISIBILITY assemble_visibility
+#endif
+
 #define TARGET_ASM_FUNCTION_PROLOGUE default_function_pro_epilogue
 #define TARGET_ASM_FUNCTION_EPILOGUE default_function_pro_epilogue
 #define TARGET_ASM_FUNCTION_END_PROLOGUE no_asm_to_stream
@@ -149,6 +153,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
                        TARGET_ASM_UNALIGNED_INT_OP,            \
                        TARGET_ASM_INTEGER,                     \
                        TARGET_ASM_GLOBALIZE_LABEL,             \
+                       TARGET_ASM_ASSEMBLE_VISIBILITY,         \
                        TARGET_ASM_FUNCTION_PROLOGUE,           \
                        TARGET_ASM_FUNCTION_END_PROLOGUE,       \
                        TARGET_ASM_FUNCTION_BEGIN_EPILOGUE,     \

diff --git a/gcc/target.h b/gcc/target.h
index 6bb1bb0aa641da31a89db9a2b1d604c7e27808a7..f68cfb13632f0848fc10bc5ae34ed17b1fcf1a3e 100644 (file)
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -72,6 +72,10 @@ struct gcc_target
     /* Output code that will globalize a label.  */
     void (* globalize_label) PARAMS ((FILE *, const char *));
 
+    /* Emit an assembler directive to set visibility for the symbol
+       associated with the tree decl.  */
+    void (* visibility) PARAMS ((tree, const char *));
+
     /* Output the assembler code for entry to a function.  */
     void (* function_prologue) PARAMS ((FILE *, HOST_WIDE_INT));
 

diff --git a/gcc/varasm.c b/gcc/varasm.c
index 216e1441216d03657466bc0b5163c5ffacf8d1ca..2d214a0f065de8ffcc0831c94b21d53c7fcc74f0 100644 (file)
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -4624,7 +4624,7 @@ maybe_assemble_visibility (decl)
     {
       const char *type
        = TREE_STRING_POINTER (TREE_VALUE (TREE_VALUE (visibility)));
-      assemble_visibility (decl, type);
+      (* targetm.asm_out.visibility) (decl, type);
     }
 }