[src/netbsd-1-4]: src/lib/libc/arch/arm32/sys Pull up revision 1.5 (requested...

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e14e60e3193e
branches:  netbsd-1-4
changeset: 470219:e14e60e3193e
user:      he <he%NetBSD.org@localhost>
date:      Mon Jan 31 19:26:57 2000 +0000

description:
Pull up revision 1.5 (requested by kleink):
  Support *__errno() indirection.

diffstat:

 lib/libc/arch/arm32/sys/ptrace.S |  18 ++++++++++++++----
 1 files changed, 14 insertions(+), 4 deletions(-)

diffs (50 lines):

diff -r afc4960caa39 -r e14e60e3193e lib/libc/arch/arm32/sys/ptrace.S
--- a/lib/libc/arch/arm32/sys/ptrace.S  Mon Jan 31 19:26:38 2000 +0000
+++ b/lib/libc/arch/arm32/sys/ptrace.S  Mon Jan 31 19:26:57 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ptrace.S,v 1.4 1997/10/06 00:07:15 mark Exp $ */
+/*     $NetBSD: ptrace.S,v 1.4.4.1 2000/01/31 19:26:57 he Exp $ */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -38,6 +38,13 @@
 #include "SYS.h"
 
 ENTRY(ptrace)
+#ifdef _REENTRANT
+       stmfd   sp!, {r0, r1, lr}
+       bl      _C_LABEL(__errno)
+       mov     r1, #0x00000000
+       str     r1, [r0]
+       ldmfd   sp!, {r0, r1, lr}
+#else
        stmfd   sp!, {r0, r1}
 #ifdef PIC
        /* Setup the GOT */
@@ -48,20 +55,23 @@
        ldr     r1, [r0, r1]
 #else
        ldr     r1, Lerrno
-#endif
+#endif /* PIC */
        mov     r0, #0x00000000
        str     r0, [r1]
        ldmfd   sp!, {r0, r1}
+#endif /* _REENTRANT */
 
        swi     SYS_ptrace
        bcs     cerror
-       mov     r15, r14
+       mov     pc, lr
 
+#ifndef _REENTRANT
 #ifdef PIC
        .align  0
 got:
        .word   __GLOBAL_OFFSET_TABLE_ + (. - (L1+4))
-#endif
+#endif /* PIC */
 
 Lerrno:
        .word   _errno
+#endif /* !_REENTRANT */