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Diffstat (limited to 'StdLib/Include/Arm/machine/frame.h')
| -rw-r--r-- | StdLib/Include/Arm/machine/frame.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/StdLib/Include/Arm/machine/frame.h b/StdLib/Include/Arm/machine/frame.h new file mode 100644 index 0000000000..1037a9ff8d --- /dev/null +++ b/StdLib/Include/Arm/machine/frame.h @@ -0,0 +1,123 @@ +/* $NetBSD: frame.h,v 1.8 2005/12/11 12:16:47 christos Exp $ */
+
+/*
+ * Copyright (c) 1994-1997 Mark Brinicombe.
+ * Copyright (c) 1994 Brini.
+ * All rights reserved.
+ *
+ * This code is derived from software written for Brini by Mark Brinicombe
+ *
+ * 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 Brini.
+ * 4. The name of the company nor the name of the author may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
+ */
+/*
+ * arm/frame.h - Stack frames structures common to arm26 and arm32
+ */
+
+#ifndef _ARM_FRAME_H_
+#define _ARM_FRAME_H_
+
+#ifndef _LOCORE
+
+#include <sys/signal.h>
+#include <sys/sa.h>
+#include <sys/ucontext.h>
+
+/*
+ * Trap frame. Pushed onto the kernel stack on a trap (synchronous exception).
+ */
+
+typedef struct trapframe {
+ register_t tf_spsr; /* Zero on arm26 */
+ register_t tf_r0;
+ register_t tf_r1;
+ register_t tf_r2;
+ register_t tf_r3;
+ register_t tf_r4;
+ register_t tf_r5;
+ register_t tf_r6;
+ register_t tf_r7;
+ register_t tf_r8;
+ register_t tf_r9;
+ register_t tf_r10;
+ register_t tf_r11;
+ register_t tf_r12;
+ register_t tf_usr_sp;
+ register_t tf_usr_lr;
+ register_t tf_svc_sp; /* Not used on arm26 */
+ register_t tf_svc_lr; /* Not used on arm26 */
+ register_t tf_pc;
+} trapframe_t;
+
+/* Register numbers */
+#define tf_r13 tf_usr_sp
+#define tf_r14 tf_usr_lr
+#define tf_r15 tf_pc
+
+/*
+ * Signal frame. Pushed onto user stack before calling sigcode.
+ */
+#ifdef COMPAT_16
+struct sigframe_sigcontext {
+ struct sigcontext sf_sc;
+};
+#endif
+
+/* the pointers are use in the trampoline code to locate the ucontext */
+struct sigframe_siginfo {
+ siginfo_t sf_si; /* actual saved siginfo */
+ ucontext_t sf_uc; /* actual saved ucontext */
+};
+
+/*
+ * Scheduler activations upcall frame. Pushed onto user stack before
+ * calling an SA upcall.
+ */
+
+struct saframe {
+#if 0 /* in registers on entry to upcall */
+ int sa_type;
+ struct sa_t ** sa_sas;
+ int sa_events;
+ int sa_interrupted;
+#endif
+ void * sa_arg;
+};
+
+#ifdef _KERNEL
+__BEGIN_DECLS
+void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
+void *getframe(struct lwp *, int, int *);
+__END_DECLS
+#define process_frame(l) ((l)->l_addr->u_pcb.pcb_tf)
+#endif
+
+#endif /* _LOCORE */
+
+#endif /* _ARM_FRAME_H_ */
+
+/* End of frame.h */
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