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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/avr32/include/asm/ptrace.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
downloadop-kernel-dev-49b75b87ce2dfbd99e59a50c3681b154d07e3a22.zip
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Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB [ARM] 5166/1: magician: add MAINTAINERS entry [ARM] fix pnx4008 build errors [ARM] Fix SMP booting with non-zero PHYS_OFFSET [ARM] 5185/1: Fix spi num_chipselect for lubbock [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead [ARM] Eliminate useless includes of asm/mach-types.h [ARM] Fix circular include dependency with IRQ headers avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> avr32: Introduce arch/avr32/mach-*/include/mach avr32: Move include/asm-avr32 to arch/avr32/include/asm [ARM] sa1100_wdt: use reset_status to remember watchdog reset status [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage [ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/avr32/include/asm/ptrace.h')
-rw-r--r--arch/avr32/include/asm/ptrace.h157
1 files changed, 157 insertions, 0 deletions
diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h
new file mode 100644
index 0000000..9e2d44f
--- /dev/null
+++ b/arch/avr32/include/asm/ptrace.h
@@ -0,0 +1,157 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * 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_AVR32_PTRACE_H
+#define __ASM_AVR32_PTRACE_H
+
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+
+/*
+ * Status Register bits
+ */
+#define SR_H 0x20000000
+#define SR_J 0x10000000
+#define SR_DM 0x08000000
+#define SR_D 0x04000000
+#define MODE_NMI 0x01c00000
+#define MODE_EXCEPTION 0x01800000
+#define MODE_INT3 0x01400000
+#define MODE_INT2 0x01000000
+#define MODE_INT1 0x00c00000
+#define MODE_INT0 0x00800000
+#define MODE_SUPERVISOR 0x00400000
+#define MODE_USER 0x00000000
+#define MODE_MASK 0x01c00000
+#define SR_EM 0x00200000
+#define SR_I3M 0x00100000
+#define SR_I2M 0x00080000
+#define SR_I1M 0x00040000
+#define SR_I0M 0x00020000
+#define SR_GM 0x00010000
+
+#define SR_H_BIT 29
+#define SR_J_BIT 28
+#define SR_DM_BIT 27
+#define SR_D_BIT 26
+#define MODE_SHIFT 22
+#define SR_EM_BIT 21
+#define SR_I3M_BIT 20
+#define SR_I2M_BIT 19
+#define SR_I1M_BIT 18
+#define SR_I0M_BIT 17
+#define SR_GM_BIT 16
+
+/* The user-visible part */
+#define SR_L 0x00000020
+#define SR_Q 0x00000010
+#define SR_V 0x00000008
+#define SR_N 0x00000004
+#define SR_Z 0x00000002
+#define SR_C 0x00000001
+
+#define SR_L_BIT 5
+#define SR_Q_BIT 4
+#define SR_V_BIT 3
+#define SR_N_BIT 2
+#define SR_Z_BIT 1
+#define SR_C_BIT 0
+
+/*
+ * The order is defined by the stmts instruction. r0 is stored first,
+ * so it gets the highest address.
+ *
+ * Registers 0-12 are general-purpose registers (r12 is normally used for
+ * the function return value).
+ * Register 13 is the stack pointer
+ * Register 14 is the link register
+ * Register 15 is the program counter (retrieved from the RAR sysreg)
+ */
+#define FRAME_SIZE_FULL 72
+#define REG_R12_ORIG 68
+#define REG_R0 64
+#define REG_R1 60
+#define REG_R2 56
+#define REG_R3 52
+#define REG_R4 48
+#define REG_R5 44
+#define REG_R6 40
+#define REG_R7 36
+#define REG_R8 32
+#define REG_R9 28
+#define REG_R10 24
+#define REG_R11 20
+#define REG_R12 16
+#define REG_SP 12
+#define REG_LR 8
+
+#define FRAME_SIZE_MIN 8
+#define REG_PC 4
+#define REG_SR 0
+
+#ifndef __ASSEMBLY__
+struct pt_regs {
+ /* These are always saved */
+ unsigned long sr;
+ unsigned long pc;
+
+ /* These are sometimes saved */
+ unsigned long lr;
+ unsigned long sp;
+ unsigned long r12;
+ unsigned long r11;
+ unsigned long r10;
+ unsigned long r9;
+ unsigned long r8;
+ unsigned long r7;
+ unsigned long r6;
+ unsigned long r5;
+ unsigned long r4;
+ unsigned long r3;
+ unsigned long r2;
+ unsigned long r1;
+ unsigned long r0;
+
+ /* Only saved on system call */
+ unsigned long r12_orig;
+};
+
+#ifdef __KERNEL__
+
+#include <asm/ocd.h>
+
+#define arch_ptrace_attach(child) ocd_enable(child)
+
+#define user_mode(regs) (((regs)->sr & MODE_MASK) == MODE_USER)
+#define instruction_pointer(regs) ((regs)->pc)
+#define profile_pc(regs) instruction_pointer(regs)
+
+extern void show_regs (struct pt_regs *);
+
+static __inline__ int valid_user_regs(struct pt_regs *regs)
+{
+ /*
+ * Some of the Java bits might be acceptable if/when we
+ * implement some support for that stuff...
+ */
+ if ((regs->sr & 0xffff0000) == 0)
+ return 1;
+
+ /*
+ * Force status register flags to be sane and report this
+ * illegal behaviour...
+ */
+ regs->sr &= 0x0000ffff;
+ return 0;
+}
+
+
+#endif /* __KERNEL__ */
+
+#endif /* ! __ASSEMBLY__ */
+
+#endif /* __ASM_AVR32_PTRACE_H */
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