Support libitm on Solaris 8 and 9/x86 with Sun as

	* config/generic/asmcfi.h: Fix comment.
	* config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
	sequence without .hidden support, error for non-ELF targets.
	(GTM_longjmp) [__ELF__]: Only use .hidden if
	HAVE_ATTRIBUTE_VISIBILITY.

From-SVN: r181481

libitm/ChangeLog

+2011-11-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* config/generic/asmcfi.h: Fix comment.
+	* config/x86/sjlj.S (_ITM_beginTransaction): Provide ELF PIC code
+	sequence without .hidden support, error for non-ELF targets.
+	(GTM_longjmp) [__ELF__]: Only use .hidden if
+	HAVE_ATTRIBUTE_VISIBILITY.
+
 2011-11-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 
 	* alloc_cpp.cc [__osf__] (_ZnwX, _ZdlPv, _ZnaX, _ZdaPv,

libitm/config/generic/asmcfi.h

@@ -41,4 +41,4 @@
 #define cfi_def_cfa(r,n)
 #define cfi_register(o,n)
 
-#endif /* HAVE_ASM_CFI */
+#endif /* HAVE_AS_CFI_PSEUDO_OP */

libitm/config/x86/sjlj.S

@@ -60,7 +60,17 @@ _ITM_beginTransaction:
 	movl	%edi, 20(%esp)
 	movl	%ebp, 24(%esp)
 	leal	8(%esp), %edx
+#if defined HAVE_ATTRIBUTE_VISIBILITY || !defined __PIC__
 	call	GTM_begin_transaction
+#elif defined __ELF__
+	call	1f
+1:	popl	%ebx
+	addl	$_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
+	call	GTM_begin_transaction@PLT
+	movl	12(%esp), %ebx
+#else
+# error "Unsupported PIC sequence"
+#endif
 	addl	$28, %esp
 	cfi_def_cfa_offset(4)
 	ret
@@ -108,7 +118,9 @@ GTM_longjmp:
 
 #ifdef __ELF__
 	.type	GTM_longjmp, @function
+#ifdef HAVE_ATTRIBUTE_VISIBILITY
 	.hidden	GTM_longjmp
+#endif
 	.size	GTM_longjmp, .-GTM_longjmp
 #endif