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-rw-r--r--kernel/arch/m32r/include/asm/ptrace.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/arch/m32r/include/asm/ptrace.h b/kernel/arch/m32r/include/asm/ptrace.h
new file mode 100644
index 000000000..fa58ccfff
--- /dev/null
+++ b/kernel/arch/m32r/include/asm/ptrace.h
@@ -0,0 +1,44 @@
+/*
+ * linux/include/asm-m32r/ptrace.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * M32R version:
+ * Copyright (C) 2001-2002, 2004 Hirokazu Takata <takata at linux-m32r.org>
+ */
+#ifndef _ASM_M32R_PTRACE_H
+#define _ASM_M32R_PTRACE_H
+
+
+#include <asm/m32r.h> /* M32R_PSW_BSM, M32R_PSW_BPM */
+#include <uapi/asm/ptrace.h>
+
+#define arch_has_single_step() (1)
+
+struct task_struct;
+extern void init_debug_traps(struct task_struct *);
+#define arch_ptrace_attach(child) \
+ init_debug_traps(child)
+
+#if defined(CONFIG_ISA_M32R2) || defined(CONFIG_CHIP_VDEC2)
+#define user_mode(regs) ((M32R_PSW_BPM & (regs)->psw) != 0)
+#elif defined(CONFIG_ISA_M32R)
+#define user_mode(regs) ((M32R_PSW_BSM & (regs)->psw) != 0)
+#else
+#error unknown isa configuration
+#endif
+
+#define instruction_pointer(regs) ((regs)->bpc)
+#define profile_pc(regs) instruction_pointer(regs)
+#define user_stack_pointer(regs) ((regs)->spu)
+
+extern void withdraw_debug_trap(struct pt_regs *regs);
+
+#define task_pt_regs(task) \
+ ((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
+#define current_pt_regs() ((struct pt_regs *) \
+ ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
+
+#endif /* _ASM_M32R_PTRACE_H */