From: Alan Modra <amodra@bigpond.net.au>
Date: Sat, 7 Jun 2003 06:11:18 +0000 (+0000)
Subject: * config/rs6000/linux64.h (CRT_CALL_STATIC_FUNCTION): Define.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ffbc65c3e05de2a9a684d3104b0b75f1f9e7077a;p=gcc.git

* config/rs6000/linux64.h (CRT_CALL_STATIC_FUNCTION): Define.

From-SVN: r67578
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 139862087eb..1d9032516a0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2003-06-07  Alan Modra  <amodra@bigpond.net.au>
+
+	* config/rs6000/linux64.h (CRT_CALL_STATIC_FUNCTION): Define.
+
 2003-06-06  James E Wilson  <wilson@tuliptree.org>
 
 	PR inline-asm/10890
diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index f611471900b..8d136fb4bfd 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -363,6 +363,18 @@
 #undef  RS6000_MCOUNT
 #define RS6000_MCOUNT "_mcount"
 
+#ifdef __powerpc64__
+/* _init and _fini functions are built from bits spread across many
+   object files, each potentially with a different TOC pointer.  For
+   that reason, place a nop after the call so that the linker can
+   restore the TOC pointer if a TOC adjusting call stub is needed.  */
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
+  asm (SECTION_OP "\n"					\
+"	bl ." #FUNC "\n"				\
+"	nop\n"						\
+"	.previous");
+#endif
+
 /* FP save and restore routines.  */
 #undef  SAVE_FP_PREFIX
 #define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")