1 files changed, 155 insertions, 0 deletions

diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
new file mode 100644
index 000000000000..604e3a186cf9
--- /dev/null
+++ b/include/asm-arm/ptrace.h
@@ -0,0 +1,155 @@
+/*
+ *  linux/include/asm-arm/ptrace.h
+ *
+ *  Copyright (C) 1996-2003 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_ARM_PTRACE_H
+#define __ASM_ARM_PTRACE_H
+
+#include <linux/config.h>
+
+#define PTRACE_GETREGS          12
+#define PTRACE_SETREGS          13
+#define PTRACE_GETFPREGS        14
+#define PTRACE_SETFPREGS        15
+
+#define PTRACE_GETWMMXREGS      18
+#define PTRACE_SETWMMXREGS      19
+
+#define PTRACE_OLDSETOPTIONS    21
+
+#define PTRACE_GET_THREAD_AREA  22
+/*
+ * PSR bits
+ */
+#define USR26_MODE      0x00000000
+#define FIQ26_MODE      0x00000001
+#define IRQ26_MODE      0x00000002
+#define SVC26_MODE      0x00000003
+#define USR_MODE        0x00000010
+#define FIQ_MODE        0x00000011
+#define IRQ_MODE        0x00000012
+#define SVC_MODE        0x00000013
+#define ABT_MODE        0x00000017
+#define UND_MODE        0x0000001b
+#define SYSTEM_MODE     0x0000001f
+#define MODE32_BIT      0x00000010
+#define MODE_MASK       0x0000001f
+#define PSR_T_BIT       0x00000020
+#define PSR_F_BIT       0x00000040
+#define PSR_I_BIT       0x00000080
+#define PSR_J_BIT       0x01000000
+#define PSR_Q_BIT       0x08000000
+#define PSR_V_BIT       0x10000000
+#define PSR_C_BIT       0x20000000
+#define PSR_Z_BIT       0x40000000
+#define PSR_N_BIT       0x80000000
+#define PCMASK          0
+
+/*
+ * Groups of PSR bits
+ */
+#define PSR_f           0xff000000      /* Flags                */
+#define PSR_s           0x00ff0000      /* Status               */
+#define PSR_x           0x0000ff00      /* Extension            */
+#define PSR_c           0x000000ff      /* Control              */
+
+#ifndef __ASSEMBLY__
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+        long uregs[18];
+};
+
+#define ARM_cpsr        uregs[16]
+#define ARM_pc          uregs[15]
+#define ARM_lr          uregs[14]
+#define ARM_sp          uregs[13]
+#define ARM_ip          uregs[12]
+#define ARM_fp          uregs[11]
+#define ARM_r10         uregs[10]
+#define ARM_r9          uregs[9]
+#define ARM_r8          uregs[8]
+#define ARM_r7          uregs[7]
+#define ARM_r6          uregs[6]
+#define ARM_r5          uregs[5]
+#define ARM_r4          uregs[4]
+#define ARM_r3          uregs[3]
+#define ARM_r2          uregs[2]
+#define ARM_r1          uregs[1]
+#define ARM_r0          uregs[0]
+#define ARM_ORIG_r0     uregs[17]
+
+#ifdef __KERNEL__
+
+#define user_mode(regs) \
+        (((regs)->ARM_cpsr & 0xf) == 0)
+
+#ifdef CONFIG_ARM_THUMB
+#define thumb_mode(regs) \
+        (((regs)->ARM_cpsr & PSR_T_BIT))
+#else
+#define thumb_mode(regs) (0)
+#endif
+
+#define processor_mode(regs) \
+        ((regs)->ARM_cpsr & MODE_MASK)
+
+#define interrupts_enabled(regs) \
+        (!((regs)->ARM_cpsr & PSR_I_BIT))
+
+#define fast_interrupts_enabled(regs) \
+        (!((regs)->ARM_cpsr & PSR_F_BIT))
+
+#define condition_codes(regs) \
+        ((regs)->ARM_cpsr & (PSR_V_BIT|PSR_C_BIT|PSR_Z_BIT|PSR_N_BIT))
+        
+/* Are the current registers suitable for user mode?
+ * (used to maintain security in signal handlers)
+ */
+static inline int valid_user_regs(struct pt_regs *regs)
+{
+        if (user_mode(regs) &&
+            (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0)
+                return 1;
+
+        /*
+         * Force CPSR to something logical...
+         */
+        regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT;
+
+        return 0;
+}
+
+#endif  /* __KERNEL__ */
+
+#define pc_pointer(v) \
+        ((v) & ~PCMASK)
+
+#define instruction_pointer(regs) \
+        (pc_pointer((regs)->ARM_pc))
+
+#ifdef CONFIG_SMP
+extern unsigned long profile_pc(struct pt_regs *regs);
+#else
+#define profile_pc(regs) instruction_pointer(regs)
+#endif
+
+#ifdef __KERNEL__
+extern void show_regs(struct pt_regs *);
+
+#define predicate(x)    (x & 0xf0000000)
+#define PREDICATE_ALWAYS        0xe0000000
+
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+#endif
+