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ptrace.h revision 1.11 
      1 /* $NetBSD: ptrace.h,v 1.11 2019/12/24 14:50:59 kamil Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994 Christopher G. Demetriou
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Christopher G. Demetriou.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Alpha-dependent ptrace definitions.
     35  * Note that PT_STEP is _not_ supported.
     36  */
     37 #define PT_GETREGS      (PT_FIRSTMACH + 0)
     38 #define PT_SETREGS      (PT_FIRSTMACH + 1)
     39 #define PT_GETFPREGS    (PT_FIRSTMACH + 2)
     40 #define PT_SETFPREGS    (PT_FIRSTMACH + 3)
     41 
     42 #define PT_MACHDEP_STRINGS \
     43 	"PT_GETREGS", \
     44 	"PT_SETREGS", \
     45 	"PT_GETFPREGS", \
     46 	"PT_SETFPREGS",
     47 
     48 #include <machine/reg.h>
     49 
     50 #define PTRACE_REG_PC(r)	(r)->r_regs[R_ZERO]
     51 #define PTRACE_REG_FP(r)	(r)->r_regs[R_S6]
     52 #define PTRACE_REG_SET_PC(r, v)	(r)->r_regs[R_ZERO] = (v)
     53 #define PTRACE_REG_SP(r)	(r)->r_regs[R_SP]
     54 #define PTRACE_REG_INTRV(r)	(r)->r_regs[R_V0]
     55 
     56 #define PTRACE_BREAKPOINT	((const uint8_t[]) { 0x80, 0x00, 0x00, 0x00 })
     57 #define PTRACE_BREAKPOINT_ASM	__asm __volatile("bpt" ::: "memory")
     58 #define PTRACE_BREAKPOINT_SIZE	4
     59 
     60 #ifdef _KERNEL
     61 #define PTRACE_LWP_GETPRIVATE(l) ((struct pcb *)lwp_getpcb(l))->pcb_hw.apcb_unique
     62 #endif
     63