1 files changed, 83 insertions, 0 deletions

diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
new file mode 100644
index 000000000000..cf6934012b64
--- /dev/null
+++ b/arch/frv/include/asm/ptrace.h
@@ -0,0 +1,83 @@
+/* ptrace.h: ptrace() relevant definitions
+ *
+ * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_PTRACE_H
+#define _ASM_PTRACE_H
+
+#include <asm/registers.h>
+#ifdef __KERNEL__
+#include <asm/irq_regs.h>
+
+#define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0)
+#endif
+
+
+#define PT_PSR          0
+#define PT_ISR          1
+#define PT_CCR          2
+#define PT_CCCR         3
+#define PT_LR           4
+#define PT_LCR          5
+#define PT_PC           6
+
+#define PT__STATUS      7       /* exception status */
+#define PT_SYSCALLNO    8       /* syscall number or -1 */
+#define PT_ORIG_GR8     9       /* saved GR8 for signal handling */
+#define PT_GNER0        10
+#define PT_GNER1        11
+#define PT_IACC0H       12
+#define PT_IACC0L       13
+
+#define PT_GR(j)        ( 14 + (j))     /* GRj for 0<=j<=63 */
+#define PT_FR(j)        ( 78 + (j))     /* FRj for 0<=j<=63 */
+#define PT_FNER(j)      (142 + (j))     /* FNERj for 0<=j<=1 */
+#define PT_MSR(j)       (144 + (j))     /* MSRj for 0<=j<=2 */
+#define PT_ACC(j)       (146 + (j))     /* ACCj for 0<=j<=7 */
+#define PT_ACCG(jklm)   (154 + (jklm))  /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */
+#define PT_FSR(j)       (156 + (j))     /* FSRj for 0<=j<=0 */
+#define PT__GPEND       78
+#define PT__END         157
+
+#define PT_TBR          PT_GR(0)
+#define PT_SP           PT_GR(1)
+#define PT_FP           PT_GR(2)
+#define PT_PREV_FRAME   PT_GR(28)       /* previous exception frame pointer (old gr28 value) */
+#define PT_CURR_TASK    PT_GR(29)       /* current task */
+
+
+/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
+#define PTRACE_GETREGS          12
+#define PTRACE_SETREGS          13
+#define PTRACE_GETFPREGS        14
+#define PTRACE_SETFPREGS        15
+#define PTRACE_GETFDPIC         31      /* get the ELF fdpic loadmap address */
+
+#define PTRACE_GETFDPIC_EXEC    0       /* [addr] request the executable loadmap */
+#define PTRACE_GETFDPIC_INTERP  1       /* [addr] request the interpreter loadmap */
+
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+
+/*
+ * we dedicate GR28 to keeping a pointer to the current exception frame
+ * - gr28 is destroyed on entry to the kernel from userspace
+ */
+register struct pt_regs *__frame asm("gr28");
+
+#define user_mode(regs)                 (!((regs)->psr & PSR_S))
+#define instruction_pointer(regs)       ((regs)->pc)
+
+extern unsigned long user_stack(const struct pt_regs *);
+extern void show_regs(struct pt_regs *);
+#define profile_pc(regs) ((regs)->pc)
+#endif
+
+#endif /* !__ASSEMBLY__ */
+#endif /* _ASM_PTRACE_H */