patch-2.1.80 linux/include/asm-arm/proc-armo/ptrace.h

• Lines: 66
• Date: Tue Jan 20 16:39:42 1998
• Orig file: v2.1.79/linux/include/asm-arm/proc-armo/ptrace.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.79/linux/include/asm-arm/proc-armo/ptrace.h linux/include/asm-arm/proc-armo/ptrace.h
@@ -0,0 +1,65 @@
+/*
+ * linux/include/asm-arm/proc-armo/ptrace.h
+ *
+ * Copyright (C) 1996 Russell King
+ */
+
+#ifndef __ASM_PROC_PTRACE_H
+#define __ASM_PROC_PTRACE_H
+
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+	long uregs[17];
+};
+
+#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[16] /* -1 */
+
+#define USR26_MODE	0x00
+#define FIQ26_MODE	0x01
+#define IRQ26_MODE	0x02
+#define SVC26_MODE	0x03
+#define MODE_MASK	0x03
+#define F_BIT		(1 << 26)
+#define I_BIT		(1 << 27)
+#define CC_V_BIT	(1 << 28)
+#define CC_C_BIT	(1 << 29)
+#define CC_Z_BIT	(1 << 30)
+#define CC_N_BIT	(1 << 31)
+
+#define user_mode(regs) \
+	(((regs)->ARM_pc & MODE_MASK) == USR26_MODE)
+
+#define processor_mode(regs) \
+	((regs)->ARM_pc & MODE_MASK)
+
+#define interrupts_enabled(regs) \
+	(!((regs)->ARM_pc & I_BIT))
+
+#define fast_interrupts_enabled(regs) \
+	(!((regs)->ARM_pc & F_BIT))
+
+#define condition_codes(regs) \
+	((regs)->ARM_pc & (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT))
+
+#define instruction_pointer(regs)	((regs)->ARM_pc & 0x03fffffc)
+#define pc_pointer(v)			((v) & 0x03fffffc)
+#endif
+