1 /* $NetBSD: ptrace.h,v 1.23 2023/11/20 03:05:48 simonb 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 #ifndef _AMD64_PTRACE_H_ 33 #define _AMD64_PTRACE_H_ 34 35 #ifdef __x86_64__ 36 /* 37 * amd64-dependent ptrace definitions 38 */ 39 #define PT_STEP (PT_FIRSTMACH + 0) 40 #define PT_GETREGS (PT_FIRSTMACH + 1) 41 #define PT_SETREGS (PT_FIRSTMACH + 2) 42 #define PT_GETFPREGS (PT_FIRSTMACH + 3) 43 #define PT_SETFPREGS (PT_FIRSTMACH + 4) 44 #define PT_GETDBREGS (PT_FIRSTMACH + 5) 45 #define PT_SETDBREGS (PT_FIRSTMACH + 6) 46 #define PT_SETSTEP (PT_FIRSTMACH + 7) 47 #define PT_CLEARSTEP (PT_FIRSTMACH + 8) 48 #define PT_GETXSTATE (PT_FIRSTMACH + 9) 49 #define PT_SETXSTATE (PT_FIRSTMACH + 10) 50 #ifdef _KERNEL 51 /* 52 * Only used internally for COMPAT_NETBSD32 53 */ 54 #define PT_GETXMMREGS (PT_FIRSTMACH + 11) 55 #define PT_SETXMMREGS (PT_FIRSTMACH + 12) 56 #endif 57 58 /* We have machine-dependent process tracing needs. */ 59 #define __HAVE_PTRACE_MACHDEP 60 61 #define PT_MACHDEP_STRINGS \ 62 "PT_STEP", \ 63 "PT_GETREGS", \ 64 "PT_SETREGS", \ 65 "PT_GETFPREGS", \ 66 "PT_SETFPREGS", \ 67 "PT_GETDBREGS", \ 68 "PT_SETDBREGS", \ 69 "PT_SETSTEP", \ 70 "PT_CLEARSTEP", \ 71 "PT_GETXSTATE", \ 72 "PT_SETXSTATE", \ 73 "PT_GETXMMREGS", \ 74 "PT_SETXMMREGS" 75 76 #include <machine/reg.h> 77 #define PTRACE_REG_PC(r) (r)->regs[_REG_RIP] 78 #define PTRACE_REG_FP(r) (r)->regs[_REG_RBP] 79 #define PTRACE_REG_SET_PC(r, v) (r)->regs[_REG_RIP] = (v) 80 #define PTRACE_REG_SP(r) (r)->regs[_REG_RSP] 81 #define PTRACE_REG_INTRV(r) (r)->regs[_REG_RAX] 82 83 #define PTRACE_ILLEGAL_ASM __asm __volatile ("ud2" : : : "memory") 84 85 #define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xcc }) 86 #define PTRACE_BREAKPOINT_ASM __asm __volatile ("int3" : : : "memory") 87 #define PTRACE_BREAKPOINT_SIZE 1 88 #define PTRACE_BREAKPOINT_ADJ 1 89 90 #ifdef _KERNEL 91 92 /* 93 * These are used in sys_ptrace() to find good ptrace(2) requests. 94 */ 95 #define PTRACE_MACHDEP_REQUEST_CASES \ 96 case PT_GETXSTATE: \ 97 case PT_SETXSTATE: \ 98 case PT_GETXMMREGS: \ 99 case PT_SETXMMREGS: 100 101 int process_machdep_doxstate(struct lwp *, struct lwp *, struct uio *); 102 int process_machdep_validfpu(struct proc *); 103 104 /* 105 * The fpregs structure contains an fxsave area, which must have 16-byte 106 * alignment. 107 */ 108 #define PTRACE_REGS_ALIGN __aligned(16) 109 110 #include <sys/module_hook.h> 111 MODULE_HOOK(netbsd32_process_doxmmregs_hook, int, 112 (struct lwp *, struct lwp *, void *, bool)); 113 114 #ifdef EXEC_ELF32 115 #include <machine/netbsd32_machdep.h> 116 #endif 117 #define PT64_GETXSTATE PT_GETXSTATE 118 #define COREDUMP_MACHDEP_LWP_NOTES(l, ns, name) \ 119 { \ 120 struct xstate xstate; /* XXX FIXME big stack object */ \ 121 memset(&xstate, 0, sizeof(xstate)); \ 122 if (!process_read_xstate(l, &xstate)) \ 123 { \ 124 ELFNAMEEND(coredump_savenote)(ns, \ 125 CONCAT(CONCAT(PT, ELFSIZE), _GETXSTATE), name, \ 126 &xstate, sizeof(xstate)); \ 127 } \ 128 } 129 130 #endif /* _KERNEL */ 131 132 #ifdef _KERNEL_OPT 133 #include "opt_compat_netbsd32.h" 134 135 #ifdef COMPAT_NETBSD32 136 #include <machine/netbsd32_machdep.h> 137 138 #define process_read_regs32 netbsd32_process_read_regs 139 #define process_read_fpregs32 netbsd32_process_read_fpregs 140 #define process_read_dbregs32 netbsd32_process_read_dbregs 141 142 #define process_write_regs32 netbsd32_process_write_regs 143 #define process_write_fpregs32 netbsd32_process_write_fpregs 144 #define process_write_dbregs32 netbsd32_process_write_dbregs 145 146 #define process_reg32 struct reg32 147 #define process_fpreg32 struct fpreg32 148 #define process_dbreg32 struct dbreg32 149 150 #define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x) 151 #endif /* COMPAT_NETBSD32 */ 152 #endif /* _KERNEL_OPT */ 153 154 #else /* !__x86_64__ */ 155 156 #include <i386/ptrace.h> 157 158 #endif /* __x86_64__ */ 159 160 #endif /* _AMD64_PTRACE_H_ */ 161
Indexes created Mon Oct 20 05:10:11 GMT 2025