386BSD 0.1 development

Work on file usr/src/lib/libc/i386/SYS.h

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.1

diff --git a/usr/src/lib/libc/i386/SYS.h b/usr/src/lib/libc/i386/SYS.h
new file mode 100644 (file)
index 0000000..b00c539
--- /dev/null
+++ b/usr/src/lib/libc/i386/SYS.h
@@ -0,0 +1,57 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)SYS.h       5.5 (Berkeley) 5/7/91
+ */
+
+#include <syscall.h>
+
+#ifdef PROF
+#define        ENTRY(x)        .globl _/**/x; \
+                       .data; 1:; .long 0; .text; .align 2; _/**/x: \
+                       movl $1b,%eax; call mcount
+#else
+#define        ENTRY(x)        .globl _/**/x; .text; .align 2; _/**/x: 
+#endif PROF
+#define        SYSCALL(x)      2: jmp cerror; ENTRY(x); lea SYS_/**/x,%eax; LCALL(7,0); jb 2b
+#define        RSYSCALL(x)     SYSCALL(x); ret
+#define        PSEUDO(x,y)     ENTRY(x); lea SYS_/**/y, %eax; ; LCALL(7,0); ret
+#define        CALL(x,y)       call _/**/y; addl $4*x,%esp
+/* gas fucks up offset -- although we don't currently need it, do for BCS */
+#define        LCALL(x,y)      .byte 0x9a ; .long y; .word x
+
+#define        ASMSTR          .asciz
+
+       .globl  cerror