diff options
Diffstat (limited to 'include/asm-m68k/ptrace.h')
| -rw-r--r-- | include/asm-m68k/ptrace.h | 140 |
1 files changed, 46 insertions, 94 deletions
diff --git a/include/asm-m68k/ptrace.h b/include/asm-m68k/ptrace.h index 8205518..a80ff90 100644 --- a/include/asm-m68k/ptrace.h +++ b/include/asm-m68k/ptrace.h @@ -1,107 +1,59 @@ -#ifndef _M68K_PTRACE_H -#define _M68K_PTRACE_H - /* - * This struct defines the way the registers are stored on the - * kernel stack during a system call or other kernel entry. + * See file CREDITS for list of people who contributed to this + * project. * - * this should only contain volatile regs - * since we can keep non-volatile in the thread_struct - * should set this up when only volatiles are saved - * by intr code. + * 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. * - * Since this is going on the stack, *CARE MUST BE TAKEN* to insure - * that the overall structure is a multiple of 16 bytes in length. + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Note that the offsets of the fields in this struct correspond with - * the PT_* values below. This simplifies arch/ppc/kernel/ptrace.c. + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA */ -#include <linux/config.h> - -#ifndef __ASSEMBLY__ -#ifdef CONFIG_M68K64BRIDGE -#define M68K_REG unsigned long /*long*/ -#else -#define M68K_REG unsigned long -#endif -struct pt_regs { - M68K_REG gpr[32]; - M68K_REG nip; - M68K_REG msr; - M68K_REG orig_gpr3; /* Used for restarting system calls */ - M68K_REG ctr; - M68K_REG link; - M68K_REG xer; - M68K_REG ccr; - M68K_REG mq; /* 601 only (not used at present) */ - /* Used on APUS to hold IPL value. */ - M68K_REG trap; /* Reason for being here */ - M68K_REG dar; /* Fault registers */ - M68K_REG dsisr; - M68K_REG result; /* Result of a system call */ -}; -#endif - -#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ - -/* Size of stack frame allocated when calling signal handler. */ -#define __SIGNAL_FRAMESIZE 64 - -#define instruction_pointer(regs) ((regs)->nip) -#define user_mode(regs) (((regs)->msr & MSR_PR) != 0) +#ifndef _M68K_PTRACE_H +#define _M68K_PTRACE_H /* - * Offsets used by 'ptrace' system call interface. - * These can't be changed without breaking binary compatibility - * with MkLinux, etc. + * This struct defines the way the registers are stored on the + * kernel stack during an exception. */ -#define PT_R0 0 -#define PT_R1 1 -#define PT_R2 2 -#define PT_R3 3 -#define PT_R4 4 -#define PT_R5 5 -#define PT_R6 6 -#define PT_R7 7 -#define PT_R8 8 -#define PT_R9 9 -#define PT_R10 10 -#define PT_R11 11 -#define PT_R12 12 -#define PT_R13 13 -#define PT_R14 14 -#define PT_R15 15 -#define PT_R16 16 -#define PT_R17 17 -#define PT_R18 18 -#define PT_R19 19 -#define PT_R20 20 -#define PT_R21 21 -#define PT_R22 22 -#define PT_R23 23 -#define PT_R24 24 -#define PT_R25 25 -#define PT_R26 26 -#define PT_R27 27 -#define PT_R28 28 -#define PT_R29 29 -#define PT_R30 30 -#define PT_R31 31 +#ifndef __ASSEMBLY__ -#define PT_NIP 32 -#define PT_MSR 33 -#ifdef __KERNEL__ -#define PT_ORIG_R3 34 +struct pt_regs { + ulong d0; + ulong d1; + ulong d2; + ulong d3; + ulong d4; + ulong d5; + ulong d6; + ulong d7; + ulong a0; + ulong a1; + ulong a2; + ulong a3; + ulong a4; + ulong a5; + ulong a6; +#if defined(CONFIG_M5272) || defined(CONFIG_M5282) + unsigned format : 4; /* frame format specifier */ + unsigned vector : 12; /* vector offset */ + unsigned short sr; + unsigned long pc; +#else + unsigned short sr; + unsigned long pc; #endif -#define PT_CTR 35 -#define PT_LNK 36 -#define PT_XER 37 -#define PT_CCR 38 -#define PT_MQ 39 +}; -#define PT_FPR0 48 /* each FP reg occupies 2 slots in this space */ -#define PT_FPR31 (PT_FPR0 + 2*31) -#define PT_FPSCR (PT_FPR0 + 2*32 + 1) +#endif /* #ifndef __ASSEMBLY__ */ -#endif +#endif /* #ifndef _M68K_PTRACE_H */ |