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