t_lwp_create.c revision 1.2.2.2
1 1.2.2.2 yamt /* $NetBSD: t_lwp_create.c,v 1.2.2.2 2012/05/23 10:08:21 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /*- 4 1.2.2.2 yamt * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 1.2.2.2 yamt * All rights reserved. 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 yamt * modification, are permitted provided that the following conditions 9 1.2.2.2 yamt * are met: 10 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.2.2.2 yamt * 16 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.2.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 27 1.2.2.2 yamt */ 28 1.2.2.2 yamt 29 1.2.2.2 yamt /* 30 1.2.2.2 yamt * This code is partly based on code by Joel Sing <joel at sing.id.au> 31 1.2.2.2 yamt */ 32 1.2.2.2 yamt 33 1.2.2.2 yamt #include <atf-c.h> 34 1.2.2.2 yamt #include <lwp.h> 35 1.2.2.2 yamt #include <stdio.h> 36 1.2.2.2 yamt #include <stdlib.h> 37 1.2.2.2 yamt #include <ucontext.h> 38 1.2.2.2 yamt #include <inttypes.h> 39 1.2.2.2 yamt #include <errno.h> 40 1.2.2.2 yamt 41 1.2.2.2 yamt #ifdef __alpha__ 42 1.2.2.2 yamt #include <machine/alpha_cpu.h> 43 1.2.2.2 yamt #endif 44 1.2.2.2 yamt #ifdef __amd64__ 45 1.2.2.2 yamt #include <machine/vmparam.h> 46 1.2.2.2 yamt #include <machine/psl.h> 47 1.2.2.2 yamt #endif 48 1.2.2.2 yamt #ifdef __hppa__ 49 1.2.2.2 yamt #include <machine/psl.h> 50 1.2.2.2 yamt #endif 51 1.2.2.2 yamt #ifdef __i386__ 52 1.2.2.2 yamt #include <machine/segments.h> 53 1.2.2.2 yamt #include <machine/psl.h> 54 1.2.2.2 yamt #endif 55 1.2.2.2 yamt #if defined(__m68k__) || defined(__sh3__) || defined __vax__ 56 1.2.2.2 yamt #include <machine/psl.h> 57 1.2.2.2 yamt #endif 58 1.2.2.2 yamt 59 1.2.2.2 yamt volatile lwpid_t the_lwp_id = 0; 60 1.2.2.2 yamt 61 1.2.2.2 yamt static void lwp_main_func(void* arg) 62 1.2.2.2 yamt { 63 1.2.2.2 yamt the_lwp_id = _lwp_self(); 64 1.2.2.2 yamt _lwp_exit(); 65 1.2.2.2 yamt } 66 1.2.2.2 yamt 67 1.2.2.2 yamt /* 68 1.2.2.2 yamt * Hard to document - see usage examples below. 69 1.2.2.2 yamt */ 70 1.2.2.2 yamt #define INVALID_UCONTEXT(ARCH,NAME,DESC) \ 71 1.2.2.2 yamt static void ARCH##_##NAME(ucontext_t *); \ 72 1.2.2.2 yamt ATF_TC(lwp_create_##ARCH##_fail_##NAME); \ 73 1.2.2.2 yamt ATF_TC_HEAD(lwp_create_##ARCH##_fail_##NAME, tc) \ 74 1.2.2.2 yamt { \ 75 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "verify rejection of invalid ucontext " \ 76 1.2.2.2 yamt "on " #ARCH " due to " DESC); \ 77 1.2.2.2 yamt } \ 78 1.2.2.2 yamt \ 79 1.2.2.2 yamt ATF_TC_BODY(lwp_create_##ARCH##_fail_##NAME, tc) \ 80 1.2.2.2 yamt { \ 81 1.2.2.2 yamt ucontext_t uc; \ 82 1.2.2.2 yamt lwpid_t lid; \ 83 1.2.2.2 yamt int error; \ 84 1.2.2.2 yamt \ 85 1.2.2.2 yamt getcontext(&uc); \ 86 1.2.2.2 yamt uc.uc_flags = _UC_CPU; \ 87 1.2.2.2 yamt ARCH##_##NAME(&uc); \ 88 1.2.2.2 yamt \ 89 1.2.2.2 yamt error = _lwp_create(&uc, 0, &lid); \ 90 1.2.2.2 yamt ATF_REQUIRE(error != 0 && errno == EINVAL); \ 91 1.2.2.2 yamt } \ 92 1.2.2.2 yamt static void ARCH##_##NAME(ucontext_t *uc) \ 93 1.2.2.2 yamt { 94 1.2.2.2 yamt 95 1.2.2.2 yamt 96 1.2.2.2 yamt ATF_TC(lwp_create_works); 97 1.2.2.2 yamt ATF_TC_HEAD(lwp_create_works, tc) 98 1.2.2.2 yamt { 99 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "Verify creation of a lwp and waiting" 100 1.2.2.2 yamt " for it to finish"); 101 1.2.2.2 yamt } 102 1.2.2.2 yamt 103 1.2.2.2 yamt ATF_TC_BODY(lwp_create_works, tc) 104 1.2.2.2 yamt { 105 1.2.2.2 yamt ucontext_t uc; 106 1.2.2.2 yamt lwpid_t lid; 107 1.2.2.2 yamt int error; 108 1.2.2.2 yamt void *stack; 109 1.2.2.2 yamt static const size_t ssize = 16*1024; 110 1.2.2.2 yamt 111 1.2.2.2 yamt stack = malloc(ssize); 112 1.2.2.2 yamt _lwp_makecontext(&uc, lwp_main_func, NULL, NULL, stack, ssize); 113 1.2.2.2 yamt 114 1.2.2.2 yamt error = _lwp_create(&uc, 0, &lid); 115 1.2.2.2 yamt ATF_REQUIRE(error == 0); 116 1.2.2.2 yamt 117 1.2.2.2 yamt error = _lwp_wait(lid, NULL); 118 1.2.2.2 yamt ATF_REQUIRE(error == 0); 119 1.2.2.2 yamt ATF_REQUIRE(lid == the_lwp_id); 120 1.2.2.2 yamt } 121 1.2.2.2 yamt 122 1.2.2.2 yamt INVALID_UCONTEXT(generic, no_uc_cpu, "not setting cpu registers") 123 1.2.2.2 yamt uc->uc_flags &= ~_UC_CPU; 124 1.2.2.2 yamt } 125 1.2.2.2 yamt 126 1.2.2.2 yamt #ifdef __alpha__ 127 1.2.2.2 yamt INVALID_UCONTEXT(alpha, pslset, "trying to clear the USERMODE flag") 128 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PS] &= ~ALPHA_PSL_USERMODE; 129 1.2.2.2 yamt } 130 1.2.2.2 yamt INVALID_UCONTEXT(alpha, pslclr, "trying to set a 'must be zero' flag") 131 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PS] |= ALPHA_PSL_IPL_HIGH; 132 1.2.2.2 yamt } 133 1.2.2.2 yamt #endif 134 1.2.2.2 yamt #ifdef __amd64__ 135 1.2.2.2 yamt INVALID_UCONTEXT(amd64, untouchable_rflags, "forbidden rflags changed") 136 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_RFLAGS] |= PSL_MBZ; 137 1.2.2.2 yamt } 138 1.2.2.2 yamt /* 139 1.2.2.2 yamt * XXX: add invalid GS/DS selector tests 140 1.2.2.2 yamt */ 141 1.2.2.2 yamt INVALID_UCONTEXT(amd64, pc_too_high, 142 1.2.2.2 yamt "instruction pointer outside userland address space") 143 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_RIP] = VM_MAXUSER_ADDRESS; 144 1.2.2.2 yamt } 145 1.2.2.2 yamt #endif 146 1.2.2.2 yamt #ifdef __arm__ 147 1.2.2.2 yamt INVALID_UCONTEXT(arm, invalid_mode, "psr or r15 set to non-user-mode") 148 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PC] |= 0x1f /*PSR_SYS32_MODE*/; 149 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_CPSR] |= 0x03 /*R15_MODE_SVC*/; 150 1.2.2.2 yamt } 151 1.2.2.2 yamt #endif 152 1.2.2.2 yamt #ifdef __hppa__ 153 1.2.2.2 yamt INVALID_UCONTEXT(hppa, invalid_1, "set illegal bits in psw") 154 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PSW] |= PSW_MBZ; 155 1.2.2.2 yamt } 156 1.2.2.2 yamt INVALID_UCONTEXT(hppa, invalid_0, "clear illegal bits in psw") 157 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PSW] &= ~PSW_MBS; 158 1.2.2.2 yamt } 159 1.2.2.2 yamt #endif 160 1.2.2.2 yamt #ifdef __i386__ 161 1.2.2.2 yamt INVALID_UCONTEXT(i386, untouchable_eflags, "changing forbidden eflags") 162 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_EFL] |= PSL_IOPL; 163 1.2.2.2 yamt } 164 1.2.2.2 yamt INVALID_UCONTEXT(i386, priv_escalation, "modifying priviledge level") 165 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_CS] &= ~SEL_RPL; 166 1.2.2.2 yamt } 167 1.2.2.2 yamt #endif 168 1.2.2.2 yamt #ifdef __m68k__ 169 1.2.2.2 yamt INVALID_UCONTEXT(m68k, invalid_ps_bits, 170 1.2.2.2 yamt "setting forbidden bits in the ps register") 171 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PS] |= (PSL_MBZ|PSL_IPL|PSL_S); 172 1.2.2.2 yamt } 173 1.2.2.2 yamt #endif 174 1.2.2.2 yamt #ifdef __sh3__ 175 1.2.2.2 yamt INVALID_UCONTEXT(sh3, modify_userstatic, 176 1.2.2.2 yamt "modifying illegal bits in the status register") 177 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_SR] |= PSL_MD; 178 1.2.2.2 yamt } 179 1.2.2.2 yamt #endif 180 1.2.2.2 yamt #ifdef __sparc__ 181 1.2.2.2 yamt INVALID_UCONTEXT(sparc, pc_odd, "mis-aligned instruction pointer") 182 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PC] = 0x100002; 183 1.2.2.2 yamt } 184 1.2.2.2 yamt INVALID_UCONTEXT(sparc, npc_odd, "mis-aligned next instruction pointer") 185 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_nPC] = 0x100002; 186 1.2.2.2 yamt } 187 1.2.2.2 yamt INVALID_UCONTEXT(sparc, pc_null, "NULL instruction pointer") 188 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PC] = 0; 189 1.2.2.2 yamt } 190 1.2.2.2 yamt INVALID_UCONTEXT(sparc, npc_null, "NULL next instruction pointer") 191 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_nPC] = 0; 192 1.2.2.2 yamt } 193 1.2.2.2 yamt #endif 194 1.2.2.2 yamt #ifdef __vax__ 195 1.2.2.2 yamt INVALID_UCONTEXT(vax, psl_0, "clearing forbidden bits in psl") 196 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PSL] &= ~(PSL_U | PSL_PREVU); 197 1.2.2.2 yamt } 198 1.2.2.2 yamt INVALID_UCONTEXT(vax, psl_1, "setting forbidden bits in psl") 199 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PSL] |= PSL_IPL | PSL_IS; 200 1.2.2.2 yamt } 201 1.2.2.2 yamt INVALID_UCONTEXT(vax, psl_cm, "setting CM bit in psl") 202 1.2.2.2 yamt uc->uc_mcontext.__gregs[_REG_PSL] |= PSL_CM; 203 1.2.2.2 yamt } 204 1.2.2.2 yamt #endif 205 1.2.2.2 yamt 206 1.2.2.2 yamt ATF_TP_ADD_TCS(tp) 207 1.2.2.2 yamt { 208 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_works); 209 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_generic_fail_no_uc_cpu); 210 1.2.2.2 yamt #ifdef __alpha__ 211 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_alpha_fail_pslset); 212 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_alpha_fail_pslclr); 213 1.2.2.2 yamt #endif 214 1.2.2.2 yamt #ifdef __amd64__ 215 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_amd64_fail_untouchable_rflags); 216 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_amd64_fail_pc_too_high); 217 1.2.2.2 yamt #endif 218 1.2.2.2 yamt #ifdef __arm__ 219 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_arm_fail_invalid_mode); 220 1.2.2.2 yamt #endif 221 1.2.2.2 yamt #ifdef __hppa__ 222 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_hppa_fail_invalid_1); 223 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_hppa_fail_invalid_0); 224 1.2.2.2 yamt #endif 225 1.2.2.2 yamt #ifdef __i386__ 226 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_i386_fail_untouchable_eflags); 227 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_i386_fail_priv_escalation); 228 1.2.2.2 yamt #endif 229 1.2.2.2 yamt #ifdef __m68k__ 230 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_m68k_fail_invalid_ps_bits); 231 1.2.2.2 yamt #endif 232 1.2.2.2 yamt #ifdef __sh3__ 233 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_sh3_fail_modify_userstatic); 234 1.2.2.2 yamt #endif 235 1.2.2.2 yamt #ifdef __sparc__ 236 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_sparc_fail_pc_odd); 237 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_sparc_fail_npc_odd); 238 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_sparc_fail_pc_null); 239 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_sparc_fail_npc_null); 240 1.2.2.2 yamt #endif 241 1.2.2.2 yamt #ifdef __vax__ 242 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_vax_fail_psl_0); 243 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_vax_fail_psl_1); 244 1.2.2.2 yamt ATF_TP_ADD_TC(tp, lwp_create_vax_fail_psl_cm); 245 1.2.2.2 yamt #endif 246 1.2.2.2 yamt return atf_no_error(); 247 1.2.2.2 yamt } 248
Indexes created Tue Sep 30 11:09:46 GMT 2025