1 /* $NetBSD: ptrace.h,v 1.19 2020/10/15 17:37:36 mgorny Exp $ */ 2 3 /* 4 * Copyright (c) 1993 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 #ifndef _SH3_PTRACE_H_ 34 #define _SH3_PTRACE_H_ 35 36 /* 37 * sh3-dependent ptrace definitions 38 */ 39 40 #define PT_STEP (PT_FIRSTMACH + 0) 41 42 /* old struct reg (now struct __reg40) that was missing r_gbr */ 43 #define PT___GETREGS40 (PT_FIRSTMACH + 1) 44 #define PT___SETREGS40 (PT_FIRSTMACH + 2) 45 46 #define PT_GETREGS (PT_FIRSTMACH + 3) 47 #define PT_SETREGS (PT_FIRSTMACH + 4) 48 49 #if 0 /* XXX: not yet, but reserve the numbers "leaked" to readelf(1). */ 50 #define PT_GETFPREGS (PT_FIRSTMACH + 5) 51 #define PT_SETFPREGS (PT_FIRSTMACH + 6) 52 #endif 53 54 #define PT_SETSTEP (PT_FIRSTMACH + 7) 55 #define PT_CLEARSTEP (PT_FIRSTMACH + 8) 56 57 #define PT_MACHDEP_STRINGS \ 58 "PT_STEP", \ 59 "PT___GETREGS40", \ 60 "PT___SETREGS40", \ 61 "PT_GETREGS", \ 62 "PT_SETREGS", \ 63 "PT_GETFPREGS", \ 64 "PT_SETFPREGS", \ 65 "PT_SETSTEP", \ 66 "PT_CLEARSTEP" 67 68 #include <machine/reg.h> 69 #define PTRACE_REG_PC(r) (r)->r_spc 70 #define PTRACE_REG_FP(r) (r)->r_r14 71 #define PTRACE_REG_SET_PC(r, v) (r)->r_spc = (v) 72 #define PTRACE_REG_SP(r) (r)->r_r15 73 #define PTRACE_REG_INTV(r) (r)->r_r0 74 75 #define PTRACE_ILLEGAL_ASM __asm __volatile ("0: bra 0b; bra 0b" : : : "memory") 76 77 #define PTRACE_BREAKPOINT_TRAP 0xc3 78 #define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xc3, 0xc3 }) 79 #define PTRACE_BREAKPOINT_ASM __asm __volatile("trapa %0" :: "i"(PTRACE_BREAKPOINT_TRAP)) 80 #define PTRACE_BREAKPOINT_SIZE 2 81 82 #ifdef _KERNEL 83 #ifdef _KERNEL_OPT 84 #include "opt_compat_netbsd.h" 85 #endif 86 87 #ifdef COMPAT_40 88 89 #define __HAVE_PTRACE_MACHDEP 90 91 #define PTRACE_MACHDEP_REQUEST_CASES \ 92 case PT___GETREGS40: /* FALLTHROUGH */ \ 93 case PT___SETREGS40: 94 95 #endif /* COMPAT_40 */ 96 97 #ifdef __HAVE_PTRACE_MACHDEP 98 int ptrace_machdep_dorequest(struct lwp *, struct lwp **, int, void *, int); 99 #endif 100 101 #define PTRACE_LWP_GETPRIVATE(l) (l)->l_md.md_regs->tf_gbr 102 #endif /* _KERNEL */ 103 #endif /* !_SH3_PTRACE_H_ */ 104