4a3b989322
Implement the new-style ptrace for FRV, including adding appropriate tracehooks. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/* ptrace.h: ptrace() relevant definitions
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*
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* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _ASM_PTRACE_H
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#define _ASM_PTRACE_H
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#include <asm/registers.h>
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#ifdef __KERNEL__
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#include <asm/irq_regs.h>
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#define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0)
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#endif
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#define PT_PSR 0
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#define PT_ISR 1
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#define PT_CCR 2
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#define PT_CCCR 3
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#define PT_LR 4
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#define PT_LCR 5
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#define PT_PC 6
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#define PT__STATUS 7 /* exception status */
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#define PT_SYSCALLNO 8 /* syscall number or -1 */
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#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */
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#define PT_GNER0 10
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#define PT_GNER1 11
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#define PT_IACC0H 12
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#define PT_IACC0L 13
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#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */
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#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */
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#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */
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#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */
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#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */
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#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */
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#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */
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#define PT__GPEND 78
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#define PT__END 157
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#define PT_TBR PT_GR(0)
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#define PT_SP PT_GR(1)
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#define PT_FP PT_GR(2)
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#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */
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#define PT_CURR_TASK PT_GR(29) /* current task */
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/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
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#define PTRACE_GETREGS 12
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#define PTRACE_SETREGS 13
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#define PTRACE_GETFPREGS 14
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#define PTRACE_SETFPREGS 15
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#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
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#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
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#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
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#ifdef __KERNEL__
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#ifndef __ASSEMBLY__
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struct task_struct;
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/*
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* we dedicate GR28 to keeping a pointer to the current exception frame
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* - gr28 is destroyed on entry to the kernel from userspace
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*/
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register struct pt_regs *__frame asm("gr28");
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#define user_mode(regs) (!((regs)->psr & PSR_S))
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#define instruction_pointer(regs) ((regs)->pc)
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#define user_stack_pointer(regs) ((regs)->sp)
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extern unsigned long user_stack(const struct pt_regs *);
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extern void show_regs(struct pt_regs *);
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#define profile_pc(regs) ((regs)->pc)
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#define task_pt_regs(task) ((task)->thread.frame0)
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#define arch_has_single_step() (1)
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extern void user_enable_single_step(struct task_struct *);
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extern void user_disable_single_step(struct task_struct *);
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#endif /* !__ASSEMBLY__ */
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#endif /* __KERNEL__ */
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#endif /* _ASM_PTRACE_H */
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