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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /sys/arch/i386/include/reg.h
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/i386/include/reg.h')
-rw-r--r--sys/arch/i386/include/reg.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/sys/arch/i386/include/reg.h b/sys/arch/i386/include/reg.h
new file mode 100644
index 00000000000..14c460f84c8
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+++ b/sys/arch/i386/include/reg.h
@@ -0,0 +1,102 @@
+/* $NetBSD: reg.h,v 1.14 1995/10/11 04:20:24 mycroft Exp $ */
+
+/*-
+ * 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.
+ *
+ * @(#)reg.h 5.5 (Berkeley) 1/18/91
+ */
+
+#ifndef _I386_REG_H_
+#define _I386_REG_H_
+
+/*
+ * Location of the users' stored
+ * registers within appropriate frame of 'trap' and 'syscall', relative to
+ * base of stack frame.
+ * Normal usage is u.u_ar0[XX] in kernel.
+ */
+
+/* When referenced during a trap/exception, registers are at these offsets */
+
+#define tES (0)
+#define tDS (1)
+#define tEDI (2)
+#define tESI (3)
+#define tEBP (4)
+#define tEBX (5)
+#define tEDX (6)
+#define tECX (7)
+#define tEAX (8)
+
+#define tEIP (11)
+#define tCS (12)
+#define tEFLAGS (13)
+#define tESP (14)
+#define tSS (15)
+
+/*
+ * Registers accessible to ptrace(2) syscall for debugger
+ * The machine-dependent code for PT_{SET,GET}REGS needs to
+ * use whichver order, defined above, is correct, so that it
+ * is all invisible to the user.
+ */
+struct reg {
+ int r_eax;
+ int r_ecx;
+ int r_edx;
+ int r_ebx;
+ int r_esp;
+ int r_ebp;
+ int r_esi;
+ int r_edi;
+ int r_eip;
+ int r_eflags;
+ int r_cs;
+ int r_ss;
+ int r_ds;
+ int r_es;
+ int r_fs;
+ int r_gs;
+};
+
+struct fpreg {
+ /*
+ * XXX
+ * Fill this in with real info.
+ */
+ char __data[108];
+};
+
+#endif /* !_I386_REG_H_ */