ptrace.h revision 1.23.4.1
1 /* $NetBSD: ptrace.h,v 1.23.4.1 2020/01/17 21:47:25 ad Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Copyright (c) 1993 Christopher G. Demetriou 40 * All rights reserved. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by Christopher G. Demetriou. 53 * 4. The name of the author may not be used to endorse or promote products 54 * derived from this software without specific prior written permission 55 * 56 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 57 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 58 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 59 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 60 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 61 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 62 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 63 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 64 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 65 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 */ 67 68 #ifndef _I386_PTRACE_H_ 69 #define _I386_PTRACE_H_ 70 71 /* 72 * i386-dependent ptrace definitions 73 */ 74 #define PT_STEP (PT_FIRSTMACH + 0) 75 #define PT_GETREGS (PT_FIRSTMACH + 1) 76 #define PT_SETREGS (PT_FIRSTMACH + 2) 77 #define PT_GETFPREGS (PT_FIRSTMACH + 3) 78 #define PT_SETFPREGS (PT_FIRSTMACH + 4) 79 80 /* We have machine-dependent process tracing needs. */ 81 #define __HAVE_PTRACE_MACHDEP 82 83 /* We have machine-dependent procfs nodes. */ 84 #define __HAVE_PROCFS_MACHDEP 85 86 /* The machine-dependent ptrace(2) requests. */ 87 #define PT_GETXMMREGS (PT_FIRSTMACH + 5) 88 #define PT_SETXMMREGS (PT_FIRSTMACH + 6) 89 #define PT_GETDBREGS (PT_FIRSTMACH + 7) 90 #define PT_SETDBREGS (PT_FIRSTMACH + 8) 91 #define PT_SETSTEP (PT_FIRSTMACH + 9) 92 #define PT_CLEARSTEP (PT_FIRSTMACH + 10) 93 #define PT_GETXSTATE (PT_FIRSTMACH + 11) 94 #define PT_SETXSTATE (PT_FIRSTMACH + 12) 95 96 #define PT_MACHDEP_STRINGS \ 97 "PT_STEP", \ 98 "PT_GETREGS", \ 99 "PT_SETREGS", \ 100 "PT_GETFPREGS", \ 101 "PT_SETFPREGS", \ 102 "PT_GETXMMREGS", \ 103 "PT_SETXMMREGS", \ 104 "PT_GETDBREGS", \ 105 "PT_SETDBREGS", \ 106 "PT_SETSTEP", \ 107 "PT_CLEARSTEP", \ 108 "PT_GETXSTATE", \ 109 "PT_SETXSTATE" 110 111 #include <machine/reg.h> 112 #define PTRACE_REG_PC(r) (r)->r_eip 113 #define PTRACE_REG_FP(r) (r)->r_ebp 114 #define PTRACE_REG_SET_PC(r, v) (r)->r_eip = (v) 115 #define PTRACE_REG_SP(r) (r)->r_esp 116 #define PTRACE_REG_INTRV(r) (r)->r_eax 117 118 #define PTRACE_ILLEGAL_ASM __asm __volatile ("ud2" : : : "memory") 119 120 #define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xcc }) 121 #define PTRACE_BREAKPOINT_ASM __asm __volatile ("int3" : : : "memory") 122 #define PTRACE_BREAKPOINT_SIZE 1 123 #define PTRACE_BREAKPOINT_ADJ sizeof(PTRACE_BREAKPOINT) 124 125 #ifdef _KERNEL 126 127 /* 128 * These are used in sys_ptrace() to find good ptrace(2) requests. 129 */ 130 #define PTRACE_MACHDEP_REQUEST_CASES \ 131 case PT_GETXMMREGS: \ 132 case PT_SETXMMREGS: \ 133 case PT_GETXSTATE: \ 134 case PT_SETXSTATE: 135 136 /* 137 * These are used to define machine-dependent procfs node types. 138 */ 139 #define PROCFS_MACHDEP_NODE_TYPES \ 140 Pmachdep_xmmregs, /* extended FP register set */ 141 142 /* 143 * These are used in switch statements to catch machine-dependent 144 * procfs node types. 145 */ 146 #define PROCFS_MACHDEP_NODETYPE_CASES \ 147 case Pmachdep_xmmregs: 148 149 /* 150 * These are used to protect a privileged process's state. 151 */ 152 #define PROCFS_MACHDEP_PROTECT_CASES \ 153 case Pmachdep_xmmregs: 154 155 /* 156 * These are used to define the machine-dependent procfs nodes. 157 */ 158 #define PROCFS_MACHDEP_NODETYPE_DEFNS \ 159 { DT_REG, N("xmmregs"), Pmachdep_xmmregs, \ 160 procfs_machdep_validxmmregs }, 161 162 #define PT32_GETXSTATE PT_GETXSTATE 163 #define COREDUMP_MACHDEP_LWP_NOTES(l, ns, name) \ 164 { \ 165 struct xstate xstate; \ 166 memset(&xstate, 0, sizeof(xstate)); \ 167 if (!process_read_xstate(l, &xstate)) \ 168 { \ 169 ELFNAMEEND(coredump_savenote)(ns, \ 170 CONCAT(CONCAT(PT, ELFSIZE), _GETXSTATE), name, \ 171 &xstate, sizeof(xstate)); \ 172 } \ 173 } 174 175 struct xmmregs; 176 177 /* Functions used by both ptrace(2) and procfs. */ 178 int process_machdep_doxmmregs(struct lwp *, struct lwp *, struct uio *); 179 int process_machdep_validxmmregs(struct proc *); 180 int process_machdep_doxstate(struct lwp *, struct lwp *, struct uio *); 181 int process_machdep_validxstate(struct proc *); 182 183 /* Functions used by procfs. */ 184 struct mount; 185 struct pfsnode; 186 int procfs_machdep_doxmmregs(struct lwp *, struct lwp *, 187 struct pfsnode *, struct uio *); 188 int procfs_machdep_validxmmregs(struct lwp *, struct mount *); 189 190 #endif /* _KERNEL */ 191 192 #endif /* _I386_PTRACE_H_ */ 193
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