| /* |
| * Copyright (c) 2015-2016, Intel Corporation |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * * Neither the name of Intel Corporation nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "ptunit.h" |
| |
| #include "pt_config.h" |
| |
| #include "intel-pt.h" |
| |
| #include <stddef.h> |
| |
| |
| /* A global fake buffer to pacify static analyzers. */ |
| static uint8_t buffer[8]; |
| |
| static struct ptunit_result from_user_null(void) |
| { |
| struct pt_config config; |
| int errcode; |
| |
| errcode = pt_config_from_user(NULL, &config); |
| ptu_int_eq(errcode, -pte_internal); |
| |
| errcode = pt_config_from_user(&config, NULL); |
| ptu_int_eq(errcode, -pte_invalid); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result from_user_too_small(void) |
| { |
| struct pt_config config, user; |
| int errcode; |
| |
| user.size = sizeof(config.size); |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, -pte_bad_config); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result from_user_bad_buffer(void) |
| { |
| struct pt_config config, user; |
| int errcode; |
| |
| pt_config_init(&user); |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, -pte_bad_config); |
| |
| user.begin = buffer; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, -pte_bad_config); |
| |
| user.begin = NULL; |
| user.end = buffer; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, -pte_bad_config); |
| |
| user.begin = &buffer[1]; |
| user.end = buffer; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, -pte_bad_config); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result from_user(void) |
| { |
| struct pt_config config, user; |
| int errcode; |
| |
| user.size = sizeof(user); |
| user.begin = buffer; |
| user.end = &buffer[sizeof(buffer)]; |
| user.cpu.vendor = pcv_intel; |
| user.errata.bdm70 = 1; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, 0); |
| ptu_uint_eq(config.size, sizeof(config)); |
| ptu_ptr_eq(config.begin, buffer); |
| ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]); |
| ptu_int_eq(config.cpu.vendor, pcv_intel); |
| ptu_uint_eq(config.errata.bdm70, 1); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result from_user_small(void) |
| { |
| struct pt_config config, user; |
| int errcode; |
| |
| memset(&config, 0xcd, sizeof(config)); |
| |
| user.size = offsetof(struct pt_config, cpu); |
| user.begin = buffer; |
| user.end = &buffer[sizeof(buffer)]; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, 0); |
| ptu_uint_eq(config.size, offsetof(struct pt_config, cpu)); |
| ptu_ptr_eq(config.begin, buffer); |
| ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]); |
| ptu_int_eq(config.cpu.vendor, pcv_unknown); |
| ptu_uint_eq(config.errata.bdm70, 0); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result from_user_big(void) |
| { |
| struct pt_config config, user; |
| int errcode; |
| |
| user.size = sizeof(user) + 4; |
| user.begin = buffer; |
| user.end = &buffer[sizeof(buffer)]; |
| user.cpu.vendor = pcv_intel; |
| user.errata.bdm70 = 1; |
| |
| errcode = pt_config_from_user(&config, &user); |
| ptu_int_eq(errcode, 0); |
| ptu_uint_eq(config.size, sizeof(config)); |
| ptu_ptr_eq(config.begin, buffer); |
| ptu_ptr_eq(config.end, &buffer[sizeof(buffer)]); |
| ptu_int_eq(config.cpu.vendor, pcv_intel); |
| ptu_uint_eq(config.errata.bdm70, 1); |
| |
| return ptu_passed(); |
| } |
| |
| static struct ptunit_result size(void) |
| { |
| ptu_uint_eq(sizeof(struct pt_errata), 16 * 4); |
| |
| return ptu_passed(); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| struct ptunit_suite suite; |
| |
| suite = ptunit_mk_suite(argc, argv); |
| |
| ptu_run(suite, from_user_null); |
| ptu_run(suite, from_user_too_small); |
| ptu_run(suite, from_user_bad_buffer); |
| ptu_run(suite, from_user); |
| ptu_run(suite, from_user_small); |
| ptu_run(suite, from_user_big); |
| ptu_run(suite, size); |
| |
| ptunit_report(&suite); |
| return suite.nr_fails; |
| } |