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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-10-21 15:52:04 +1100
commita02efb906d12c9d4eb2ab7c59049ba9545e5412d (patch)
treebf1f6467978ec63a22f42299ecac2ee7f7e73336 /arch/parisc/include/asm/ptrace.h
parent84dfcb4b318463cd4883b6a19937824f49aee564 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
Merge commit 'origin' into master
Manual merge of: arch/powerpc/Kconfig arch/powerpc/include/asm/page.h
Diffstat (limited to 'arch/parisc/include/asm/ptrace.h')
-rw-r--r--arch/parisc/include/asm/ptrace.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
new file mode 100644
index 00000000000..afa5333187b
--- /dev/null
+++ b/arch/parisc/include/asm/ptrace.h
@@ -0,0 +1,68 @@
+#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 */
+};
+
+/*
+ * 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__
+
+#define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
+
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
+struct task_struct;
+#define arch_has_single_step() 1
+void user_disable_single_step(struct task_struct *task);
+void user_enable_single_step(struct task_struct *task);
+
+#define arch_has_block_step() 1
+void user_enable_block_step(struct task_struct *task);
+
+/* 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)
+unsigned long profile_pc(struct pt_regs *);
+extern void show_regs(struct pt_regs *);
+#endif
+
+#endif