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ptrace.h revision 1.13 
      1 /*	$NetBSD: ptrace.h,v 1.13 2019/06/17 17:53:22 kamil Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Frank Lancaster
      5  * Copyright (c) 1995 Tools GmbH
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *      This product includes software developed by TooLs GmbH.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 /*
     35  * arm-dependent ptrace definitions
     36  */
     37 #ifndef _KERNEL
     38 #define PT_STEP		(PT_FIRSTMACH + 0) /* Not implemented */
     39 #endif
     40 #define	PT_GETREGS	(PT_FIRSTMACH + 1)
     41 #define	PT_SETREGS	(PT_FIRSTMACH + 2)
     42 /* 3 and 4 are for FPE registers */
     43 #define	PT_GETFPREGS	(PT_FIRSTMACH + 5)
     44 #define	PT_SETFPREGS	(PT_FIRSTMACH + 6)
     45 #ifndef _KERNEL
     46 #define PT_SETSTEP	(PT_FIRSTMACH + 7) /* Not implemented */
     47 #define PT_CLEARSTEP	(PT_FIRSTMACH + 8) /* Not implemented */
     48 #endif
     49 
     50 #define PT_MACHDEP_STRINGS \
     51 	"PT_STEP", \
     52 	"PT_GETREGS", \
     53 	"PT_SETREGS", \
     54 	"old PT_GETFPREGS", \
     55 	"old PT_SETFPREGS", \
     56 	"PT_GETFPREGS", \
     57 	"PT_SETFPREGS", \
     58 	"PT_SETSTEP", \
     59 	"PT_CLEARSTEP",
     60 
     61 #include <machine/reg.h>
     62 #define PTRACE_REG_PC(_r)		(_r)->r_pc
     63 #define PTRACE_REG_SET_PC(_r, _v)	(_r)->r_pc = (_v)
     64 #define PTRACE_REG_SP(_r)		(_r)->r_sp
     65 #define PTRACE_REG_INTRV(_r)		(_r)->r[0]
     66 
     67 #define PTRACE_ILLEGAL_ASM	__asm __volatile ("udf $0" : : : "memory")
     68 
     69 #ifdef __ARMEB__
     70 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xfe, 0xde, 0xff, 0xe7 })
     71 #define PTRACE_BREAKPOINT_INSN	0xfedeffe7
     72 #else
     73 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0xe7, 0xff, 0xde, 0xfe })
     74 #define PTRACE_BREAKPOINT_INSN	0xe7ffdefe
     75 #endif
     76 #define PTRACE_BREAKPOINT_ASM	__asm __volatile (".word " ___STRING(PTRACE_BREAKPOINT_INSN) )
     77 #define PTRACE_BREAKPOINT_SIZE	4
     78