h_common.h revision 312126
1287111Smarcel/* $NetBSD: h_common.h,v 1.2 2016/11/19 02:30:54 kamil Exp $ */ 2287111Smarcel 3287111Smarcel/*- 4287111Smarcel * Copyright (c) 2016 The NetBSD Foundation, Inc. 5287111Smarcel * All rights reserved. 6287111Smarcel * 7287111Smarcel * Redistribution and use in source and binary forms, with or without 8287111Smarcel * modification, are permitted provided that the following conditions 9287111Smarcel * are met: 10287111Smarcel * 1. Redistributions of source code must retain the above copyright 11287111Smarcel * notice, this list of conditions and the following disclaimer. 12287111Smarcel * 2. Redistributions in binary form must reproduce the above copyright 13287111Smarcel * notice, this list of conditions and the following disclaimer in the 14287111Smarcel * documentation and/or other materials provided with the distribution. 15287111Smarcel * 16287111Smarcel * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17287111Smarcel * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18287111Smarcel * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19287111Smarcel * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20287111Smarcel * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21287111Smarcel * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22287111Smarcel * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23287111Smarcel * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24287111Smarcel * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25287111Smarcel * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26287111Smarcel * POSSIBILITY OF SUCH DAMAGE. 27287111Smarcel */ 28287111Smarcel 29287111Smarcel 30287111Smarcel#ifndef H_COMMON_H 31287111Smarcel#define H_COMMON_H 32287111Smarcel 33287111Smarcel#include <sys/cdefs.h> 34287111Smarcel#include <dlfcn.h> 35287111Smarcel#include <pthread_dbg.h> 36287111Smarcel#include <string.h> 37287111Smarcel 38287111Smarcel#include <atf-c.h> 39287111Smarcel 40287111Smarcel#define PTHREAD_REQUIRE(x) \ 41287111Smarcel do { \ 42287111Smarcel int ret = (x); \ 43287111Smarcel ATF_REQUIRE_MSG(ret == 0, "%s: %s", #x, strerror(ret)); \ 44287111Smarcel } while (0) 45287111Smarcel 46287111Smarcel#define PTHREAD_REQUIRE_STATUS(x, v) \ 47287111Smarcel do { \ 48287111Smarcel int ret = (x); \ 49287111Smarcel ATF_REQUIRE_MSG(ret == (v), "%s: %s", #x, strerror(ret)); \ 50287111Smarcel } while (0) 51287111Smarcel 52287111Smarcelstatic int __used 53287111Smarceldummy_proc_read(void *arg, caddr_t addr, void *buf, size_t size) 54287111Smarcel{ 55287111Smarcel return TD_ERR_ERR; 56287111Smarcel} 57287111Smarcel 58287111Smarcelstatic int __used 59287111Smarceldummy_proc_write(void *arg, caddr_t addr, void *buf, size_t size) 60287111Smarcel{ 61287111Smarcel return TD_ERR_ERR; 62287111Smarcel} 63287111Smarcel 64287111Smarcelstatic int __used 65287111Smarceldummy_proc_lookup(void *arg, const char *sym, caddr_t *addr) 66287111Smarcel{ 67287111Smarcel return TD_ERR_ERR; 68287111Smarcel} 69287111Smarcel 70287111Smarcelstatic int __used 71287111Smarceldummy_proc_regsize(void *arg, int regset, size_t *size) 72287111Smarcel{ 73287111Smarcel return TD_ERR_ERR; 74287111Smarcel} 75287111Smarcel 76287111Smarcelstatic int __used 77287111Smarceldummy_proc_getregs(void *arg, int regset, int lwp, void *buf) 78287111Smarcel{ 79287111Smarcel return TD_ERR_ERR; 80287111Smarcel} 81287111Smarcel 82287111Smarcelstatic int __used 83287111Smarceldummy_proc_setregs(void *arg, int regset, int lwp, void *buf) 84287111Smarcel{ 85287111Smarcel return TD_ERR_ERR; 86287111Smarcel} 87287111Smarcel 88287111Smarcel/* Minimalistic basic implementation */ 89287111Smarcel 90287111Smarcelstatic int __used 91287111Smarcelbasic_proc_read(void *arg, caddr_t addr, void *buf, size_t size) 92287111Smarcel{ 93287111Smarcel memcpy(buf, addr, size); 94287111Smarcel 95287111Smarcel return TD_ERR_OK; 96287111Smarcel} 97287111Smarcel 98287111Smarcelstatic int __used 99287111Smarcelbasic_proc_write(void *arg, caddr_t addr, void *buf, size_t size) 100287111Smarcel{ 101287111Smarcel memcpy(addr, buf, size); 102287111Smarcel 103287111Smarcel return TD_ERR_OK; 104287111Smarcel} 105287111Smarcel 106287111Smarcelstatic int __used 107287111Smarcelbasic_proc_lookup(void *arg, const char *sym, caddr_t *addr) 108287111Smarcel{ 109287111Smarcel void *handle; 110287111Smarcel void *symbol; 111287111Smarcel 112287111Smarcel ATF_REQUIRE_MSG((handle = dlopen(NULL, RTLD_LOCAL | RTLD_LAZY)) 113287111Smarcel != NULL, "dlopen(3) failed: %s", dlerror()); 114287111Smarcel 115287111Smarcel symbol = dlsym(handle, sym); 116287111Smarcel 117 ATF_REQUIRE_MSG(dlclose(handle) == 0, "dlclose(3) failed: %s", 118 dlerror()); 119 120 if (!symbol) 121 return TD_ERR_NOSYM; 122 123 *addr = (caddr_t)(uintptr_t)symbol; 124 125 return TD_ERR_OK; 126} 127 128#endif // H_COMMON_H 129