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2 * Copyright (C) 2004-2006 Atmel Corporation
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
8 #ifndef __ASM_AVR32_PTRACE_H
9 #define __ASM_AVR32_PTRACE_H
11 #define PTRACE_GETREGS 12
12 #define PTRACE_SETREGS 13
15 * Status Register bits
17 #define SR_H 0x40000000
18 #define SR_R 0x20000000
19 #define SR_J 0x10000000
20 #define SR_DM 0x08000000
21 #define SR_D 0x04000000
22 #define MODE_NMI 0x01c00000
23 #define MODE_EXCEPTION 0x01800000
24 #define MODE_INT3 0x01400000
25 #define MODE_INT2 0x01000000
26 #define MODE_INT1 0x00c00000
27 #define MODE_INT0 0x00800000
28 #define MODE_SUPERVISOR 0x00400000
29 #define MODE_USER 0x00000000
30 #define MODE_MASK 0x01c00000
31 #define SR_EM 0x00200000
32 #define SR_I3M 0x00100000
33 #define SR_I2M 0x00080000
34 #define SR_I1M 0x00040000
35 #define SR_I0M 0x00020000
36 #define SR_GM 0x00010000
51 /* The user-visible part */
52 #define SR_L 0x00000020
53 #define SR_Q 0x00000010
54 #define SR_V 0x00000008
55 #define SR_N 0x00000004
56 #define SR_Z 0x00000002
57 #define SR_C 0x00000001
67 * The order is defined by the stmts instruction. r0 is stored first,
68 * so it gets the highest address.
70 * Registers 0-12 are general-purpose registers (r12 is normally used for
71 * the function return value).
72 * Register 13 is the stack pointer
73 * Register 14 is the link register
74 * Register 15 is the program counter (retrieved from the RAR sysreg)
76 #define FRAME_SIZE_FULL 72
77 #define REG_R12_ORIG 68
94 #define FRAME_SIZE_MIN 8
100 /* These are always saved */
104 /* These are sometimes saved */
121 /* Only saved on system call */
122 unsigned long r12_orig
;
126 # define user_mode(regs) (((regs)->sr & MODE_MASK) == MODE_USER)
127 extern void show_regs (struct pt_regs
*);
129 static __inline__
int valid_user_regs(struct pt_regs
*regs
)
132 * Some of the Java bits might be acceptable if/when we
133 * implement some support for that stuff...
135 if ((regs
->sr
& 0xffff0000) == 0)
139 * Force status register flags to be sane and report this
140 * illegal behaviour...
142 regs
->sr
&= 0x0000ffff;
146 #define instruction_pointer(regs) ((regs)->pc)
148 #define profile_pc(regs) instruction_pointer(regs)
150 #endif /* __KERNEL__ */
152 #endif /* ! __ASSEMBLY__ */
154 #endif /* __ASM_AVR32_PTRACE_H */