2004-03-11 Kazu Hirata <kazu@cs.umass.edu>

        * libc/sys/h8300hms/Makefile.am (lib_a_SOURCES): Replace
        _exit.c with _exit.S.
        * libc/sys/h8300hms/Makefile.in: Regenerate.
        * libc/sys/h8300hms/_exit.c: Remove.
        * libc/sys/h8300hms/_exit.S: New.

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 2f8cf56..12b802b 100644 (file)
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,11 @@
+2004-03-11  Kazu Hirata  <kazu@cs.umass.edu>
+
+       * libc/sys/h8300hms/Makefile.am (lib_a_SOURCES): Replace
+       _exit.c with _exit.S.
+       * libc/sys/h8300hms/Makefile.in: Regenerate.
+       * libc/sys/h8300hms/_exit.c: Remove.
+       * libc/sys/h8300hms/_exit.S: New.
+
 2004-03-09  Thomas Pfaff  <tpfaff@gmx.net>
 
        * libc/stdio/findfp.c (__sfp): Rename lock to __sfp_lock.

diff --git a/newlib/libc/sys/h8300hms/Makefile.am b/newlib/libc/sys/h8300hms/Makefile.am
index b4b8823..4f47672 100644 (file)
--- a/newlib/libc/sys/h8300hms/Makefile.am
+++ b/newlib/libc/sys/h8300hms/Makefile.am
@@ -6,7 +6,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c _exit.c sbrk.c misc.c crt1.c \
+lib_a_SOURCES = syscalls.c _exit.S sbrk.c misc.c crt1.c \
        close.S fstat.S lseek.S open.S read.S stat.S write.S
 
 all: crt0.o

diff --git a/newlib/libc/sys/h8300hms/Makefile.in b/newlib/libc/sys/h8300hms/Makefile.in
index a4108eb..b18e64e 100644 (file)
--- a/newlib/libc/sys/h8300hms/Makefile.in
+++ b/newlib/libc/sys/h8300hms/Makefile.in
@@ -89,7 +89,7 @@ INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
 
 noinst_LIBRARIES = lib.a
 
-lib_a_SOURCES = syscalls.c _exit.c sbrk.c misc.c crt1.c        close.S fstat.S lseek.S open.S read.S stat.S write.S
+lib_a_SOURCES = syscalls.c _exit.S sbrk.c misc.c crt1.c        close.S fstat.S lseek.S open.S read.S stat.S write.S
 
 
 ACLOCAL_AMFLAGS = -I ../../..

diff --git a/newlib/libc/sys/h8300hms/_exit.S b/newlib/libc/sys/h8300hms/_exit.S
new file mode 100644 (file)
index 0000000..7fac3d3
--- /dev/null
+++ b/newlib/libc/sys/h8300hms/_exit.S
@@ -0,0 +1,17 @@
+#include "setarch.h"
+
+/* `sleep' is passed an argument in r0 that indicates the reason
+   the program is exiting.  The format of r0 is defined in 
+   devo/include/wait.h. */ 
+
+/* extern void _exit (int rc); */
+
+       .section .text
+       .align 2
+       .global __exit
+__exit:
+       mov.w   #0xdead,r1
+       mov.w   #0xbeef,r2
+       mov.b   r0l,r0h
+       sub.b   r0l,r0l
+       sleep

diff --git a/newlib/libc/sys/h8300hms/_exit.c b/newlib/libc/sys/h8300hms/_exit.c
deleted file mode 100644 (file)
index 701cd8e..0000000
--- a/newlib/libc/sys/h8300hms/_exit.c
+++ /dev/null
@@ -1,35 +0,0 @@
-/* FIXME: which one? */
-
-#include <_ansi.h>
-
-/* `sleep' is passed an argument in r0 that indicates the reason
-   the program is exiting.  The format of r0 is defined in devo/include/wait.h.
-*/
-
-void
-_DEFUN (_exit,(rc),
-     int rc)
-{
-  short rc2;
-
-  rc2 = 0xdead;
-  asm("mov.w %0,r1" : : "r" (rc2) : "r1");
-  rc2 = 0xbeef;
-  asm("mov.w %0,r2" : : "r" (rc2) : "r2");
-  rc2 = rc << 8;
-  asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
-}
-
-void
-_DEFUN (__exit,(rc),
-     int rc)
-{
-  short rc2;
-
-  rc2 = 0xdead;
-  asm("mov.w %0,r1" : : "r" (rc2) : "r1");
-  rc2 = 0xbeef;
-  asm("mov.w %0,r2" : : "r" (rc2) : "r2");
-  rc2 = rc << 8;
-  asm("mov.w %0,r0\n\tsleep" : : "r" (rc2) : "r0");
-}