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-rw-r--r--nptl/ChangeLog6
-rw-r--r--nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h17
2 files changed, 23 insertions, 0 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 497b33d8a3..7a305bfbfc 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,9 @@
+2005-06-14  Alan Modra  <amodra@bigpond.net.au>
+
+	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h (PSEUDO):
+	Invoke CGOTSETUP and CGOTRESTORE.
+	(CGOTSETUP, CGOTRESTORE): Define.
+
 2005-05-29  Richard Henderson  <rth@redhat.com>
 
 	* tst-cancel4.c (WRITE_BUFFER_SIZE): New.
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
index 393c171eef..84acf38434 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -45,6 +45,7 @@
     mflr 9;								\
     stw 9,52(1);							\
     cfi_offset (lr, 4);							\
+    CGOTSETUP;								\
     DOCARGS_##args;	/* save syscall args around CENABLE.  */	\
     CENABLE;								\
     stw 3,16(1);	/* store CENABLE return value (MASK).  */	\
@@ -58,6 +59,7 @@
     lwz 4,52(1);							\
     lwz 0,12(1);	/* restore CR/R3. */				\
     lwz 3,8(1);								\
+    CGOTRESTORE;							\
     mtlr 4;								\
     mtcr 0;								\
     addi 1,1,48;							\
@@ -84,6 +86,9 @@
 # define DOCARGS_6	stw 8,40(1); DOCARGS_5
 # define UNDOCARGS_6	lwz 8,40(1); UNDOCARGS_5
 
+# define CGOTSETUP
+# define CGOTRESTORE
+
 # ifdef IS_IN_libpthread
 #  define CENABLE	bl __pthread_enable_asynccancel@local
 #  define CDISABLE	bl __pthread_disable_asynccancel@local
@@ -93,6 +98,18 @@
 # elif defined IS_IN_librt
 #  define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
+#  if defined HAVE_AS_REL16 && defined PIC
+#   undef CGOTSETUP
+#   define CGOTSETUP							\
+    bcl 20,31,1f;							\
+ 1: stw 30,44(1);							\
+    mflr 30;								\
+    addis 30,30,_GLOBAL_OFFSET_TABLE-1b@ha;				\
+    addi 30,30,_GLOBAL_OFFSET_TABLE-1b@l
+#   undef CGOTRESTORE
+#   define CGOTRESTORE							\
+    lwz 30,44(1)
+#  endif
 # else
 #  error Unsupported library
 # endif