crti.s (__init, __fini): Use appropriate prologue if __PIC__ is defined.

	* config/bfin/crti.s (__init, __fini): Use appropriate prologue if
	__PIC__ is defined.
	* config/bfin/crtn.s: Change epilogues to match.
	* config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
	__PIC__ and __pic__.

From-SVN: r107083

gcc/ChangeLog

+2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+	* config/bfin/crti.s (__init, __fini): Use appropriate prologue if
+	__PIC__ is defined.
+	* config/bfin/crtn.s: Change epilogues to match.
+	* config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
+	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
+	__PIC__ and __pic__.
+
 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 
 	PR 24357

gcc/config/bfin/bfin.h

@@ -41,6 +41,11 @@ extern int target_flags;
     {                                           \
       builtin_define ("bfin");                  \
       builtin_define ("BFIN");                  \
+      if (flag_pic)				\
+	{					\
+	  builtin_define ("__PIC__");		\
+	  builtin_define ("__pic__");		\
+	}					\
     }                                           \
   while (0)
 #endif

gcc/config/bfin/crti.s

@@ -38,10 +38,21 @@ Boston, MA 02110-1301, USA.  */
 	.globl  __init
 	.type   __init,@function
 __init:
-	LINK 0;
-
+#if defined __PIC__
+	[--SP] = P5;
+#endif
+	LINK 12;
+#if defined __PIC__
+	P5 = [P5 + _current_shared_library_p5_offset_]
+#endif	
 	.section .fini
 	.globl  __fini
 	.type   __fini,@function
 __fini:
-	LINK 0; 
+#if defined __PIC__
+	[--SP] = P5; 
+#endif
+	LINK 12; 
+#if defined __PIC__
+	P5 = [P5 + _current_shared_library_p5_offset_]
+#endif	

gcc/config/bfin/crtn.s

@@ -36,8 +36,14 @@ Boston, MA 02110-1301, USA.  */
 
 	.section .init
 	unlink; 
+#if defined __PIC__
+	P5 = [SP++];
+#endif
 	rts;
 
 	.section .fini
 	unlink;
+#if defined __PIC__
+	P5 = [SP++];
+#endif
 	rts;

gcc/config/bfin/t-bfin-elf

@@ -32,3 +32,5 @@ $(T)crti.o: $(srcdir)/config/bfin/crti.s $(GCC_PASSES)
 $(T)crtn.o: $(srcdir)/config/bfin/crtn.s $(GCC_PASSES)
 	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
 	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/bfin/crtn.s
+
+EXTRA_MULTILIB_PARTS= crtbegin.o crtend.o crti.o crtn.o