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-rw-r--r--include/asm-parisc/ptrace.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-parisc/ptrace.h b/include/asm-parisc/ptrace.h
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+++ b/include/asm-parisc/ptrace.h
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+#ifndef _PARISC_PTRACE_H
+#define _PARISC_PTRACE_H
+
+/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
+** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
+*/
+
+#include <linux/types.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call.
+ *
+ * N.B. gdb/strace care about the size and offsets within this
+ * structure. If you change things, you may break object compatibility
+ * for those applications.
+ */
+
+struct pt_regs {
+ unsigned long gr[32]; /* PSW is in gr[0] */
+ __u64 fr[32];
+ unsigned long sr[ 8];
+ unsigned long iasq[2];
+ unsigned long iaoq[2];
+ unsigned long cr27;
+ unsigned long pad0; /* available for other uses */
+ unsigned long orig_r28;
+ unsigned long ksp;
+ unsigned long kpc;
+ unsigned long sar; /* CR11 */
+ unsigned long iir; /* CR19 */
+ unsigned long isr; /* CR20 */
+ unsigned long ior; /* CR21 */
+ unsigned long ipsw; /* CR22 */
+};
+
+#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
+/*
+ * The numbers chosen here are somewhat arbitrary but absolutely MUST
+ * not overlap with any of the number assigned in <linux/ptrace.h>.
+ *
+ * These ones are taken from IA-64 on the assumption that theirs are
+ * the most correct (and we also want to support PTRACE_SINGLEBLOCK
+ * since we have taken branch traps too)
+ */
+#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
+#ifdef __KERNEL__
+
+/* XXX should we use iaoq[1] or iaoq[0] ? */
+#define user_mode(regs) (((regs)->iaoq[0] & 3) ? 1 : 0)
+#define user_space(regs) (((regs)->iasq[1] != 0) ? 1 : 0)
+#define instruction_pointer(regs) ((regs)->iaoq[0] & ~3)
+#define profile_pc(regs) instruction_pointer(regs)
+extern void show_regs(struct pt_regs *);
+#endif
+
+#endif