1 /* $NetBSD: ptrace.h,v 1.19 2021/03/18 23:18:36 simonb Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)ptrace.h 8.1 (Berkeley) 6/10/93 32 */ 33 34 /* 35 * Mips-dependent ptrace definitions. 36 * 37 */ 38 39 #ifndef _MIPS_PTRACE_H_ 40 #define _MIPS_PTRACE_H_ 41 42 /* MIPS PT_STEP PT_FIRSTMACH+0 might be defined by a port specific header */ 43 #define PT_GETREGS (PT_FIRSTMACH + 1) 44 #define PT_SETREGS (PT_FIRSTMACH + 2) 45 46 #define PT_GETFPREGS (PT_FIRSTMACH + 3) 47 #define PT_SETFPREGS (PT_FIRSTMACH + 4) 48 49 #ifdef PT_STEP 50 #define PT_SETSTEP (PT_FIRSTMACH + 5) 51 #define PT_CLEARSTEP (PT_FIRSTMACH + 6) 52 #endif 53 54 #define PT_MACHDEP_STRINGS \ 55 "PT_STEP", \ 56 "PT_GETREGS", \ 57 "PT_SETREGS", \ 58 "PT_GETFPREGS", \ 59 "PT_SETFPREGS", \ 60 "PT_SETSTEP", \ 61 "PT_CLEARSTEP", 62 63 #include <machine/reg.h> 64 #define PTRACE_REG_PC(r) (r)->r_regs[35] 65 #define PTRACE_REG_FP(r) (r)->r_regs[30] 66 #define PTRACE_REG_SET_PC(r, v) (r)->r_regs[35] = (v) 67 #define PTRACE_REG_SP(r) (r)->r_regs[29] 68 #define PTRACE_REG_INTRV(r) (r)->r_regs[2] 69 70 /* 71 * The sigrie is defined in the MIPS32r6 and MIPS64r6 specs to 72 * generate a Reserved Instruction trap but uses a previously 73 * reserved instruction encoding and is thus both backwards and 74 * forwards compatible. 75 */ 76 #define PTRACE_ILLEGAL_ASM do { \ 77 asm volatile( \ 78 ".set push; " \ 79 ".set mips32r6; " \ 80 "sigrie 0; " \ 81 ".set pop; " \ 82 ); \ 83 } while (0); 84 85 #define PTRACE_BREAKPOINT ((const uint8_t[]) { 0x00, 0x00, 0x00, 0x0d }) 86 #define PTRACE_BREAKPOINT_ASM __asm __volatile("break") 87 #define PTRACE_BREAKPOINT_SIZE 4 88 89 /* 90 * Glue for gdb: map NetBSD register names to legacy ptrace register names 91 */ 92 #define GPR_BASE 0 93 94 #ifndef JB_PC 95 #define JB_PC 2 /* pc is at ((long *)jmp_buf)[2] */ 96 #endif 97 98 #include <machine/reg.h> /* Historically in sys/ptrace.h */ 99 #include <machine/regnum.h> /* real register names */ 100 101 #endif /* _MIPS_PTRACE_H_ */ 102