Libc-391.5.22.tar.gz

[apple/libc.git] / ppc / sys / cerror.s

diff --git a/ppc/sys/cerror.s b/ppc/sys/cerror.s
index 21ed0185f6cdaadac76aee250c600e3eb6a4310b..2d3982d711c89e81a2138effb29b710478a007ee 100644 (file)
--- a/ppc/sys/cerror.s
+++ b/ppc/sys/cerror.s
@@ -23,15 +23,40 @@
 /* Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  */
 
-#import        <architecture/ppc/asm_help.h>
-#import        <architecture/ppc/pseudo_inst.h>
+/* We use mode-independent "g" opcodes such as "srgi", and/or
+ * mode-independent macros such as MI_GET_ADDRESS.  These expand
+ * into word operations when targeting __ppc__, and into doubleword
+ * operations when targeting __ppc64__.
+ */
+#include <architecture/ppc/mode_independent_asm.h>
+
+    .globl  _errno
 
-       .globl  _errno
+#if 0
+MI_ENTRY_POINT(cerror_cvt)
+    MI_PUSH_STACK_FRAME
+    MI_GET_ADDRESS(r12,_errno)
+    cmplwi  r3,102                 /* EOPNOTSUPP? */
+    bne     1f
+    li     r3,45                   /* Yes; make ENOTSUP for compatibility */
+1:
+    stw     r3,0(r12)               /* save syscall return code in global */
+    MI_CALL_EXTERNAL(_cthread_set_errno_self)
+    li      r3,-1                   /* then bug return value */
+    li      r4,-1                   /* in case we're returning a long-long in 32-bit mode, etc */
+    MI_POP_STACK_FRAME_AND_RETURN
+#endif
 
-NESTED(cerror, 0, 1, 0, 0)
-       REG_TO_EXTERN(r3,_errno)
-       CALL_EXTERN(_cthread_set_errno_self)
-       li32    r3,-1
-       li32    r4,-1   /* in case a 64-bit value is returned */
-       RETURN
-END(cerror)
+MI_ENTRY_POINT(cerror_cvt)
+    cmplwi  r3,102                 /* EOPNOTSUPP? */
+    bne     1f
+    li     r3,45                   /* Yes; make ENOTSUP for compatibility */
+1:
+MI_ENTRY_POINT(cerror)
+    MI_PUSH_STACK_FRAME
+    MI_GET_ADDRESS(r12,_errno)
+    stw     r3,0(r12)               /* save syscall return code in global */
+    MI_CALL_EXTERNAL(_cthread_set_errno_self)
+    li      r3,-1                   /* then bug return value */
+    li      r4,-1                   /* in case we're returning a long-long in 32-bit mode, etc */
+    MI_POP_STACK_FRAME_AND_RETURN