X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-filter-validator.c;h=75cd98a5d134fe05b00ec432d8e559785e0b892e;hb=7e50015d099795fcce0602bdb670fd6ae0510026;hp=dc50774de5b6deb6c20efdcd9c7f3cc905b3bb07;hpb=53569322d40ed45abe0368ddb08eb4a2738afc37;p=lttng-ust.git diff --git a/liblttng-ust/lttng-filter-validator.c b/liblttng-ust/lttng-filter-validator.c index dc50774d..75cd98a5 100644 --- a/liblttng-ust/lttng-filter-validator.c +++ b/liblttng-ust/lttng-filter-validator.c @@ -3,21 +3,25 @@ * * LTTng UST filter bytecode validator. * - * Copyright (C) 2010-2012 Mathieu Desnoyers + * Copyright (C) 2010-2016 Mathieu Desnoyers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; only - * version 2.1 of the License. + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #define _LGPL_SOURCE @@ -87,7 +91,7 @@ int merge_point_add_check(struct cds_lfht *ht, unsigned long target_pc, const struct vstack *stack) { struct lfht_mp_node *node; - unsigned long hash = lttng_hash_mix((const void *) target_pc, + unsigned long hash = lttng_hash_mix((const char *) target_pc, sizeof(target_pc), lttng_hash_seed); struct cds_lfht_node *ret; @@ -100,7 +104,7 @@ int merge_point_add_check(struct cds_lfht *ht, unsigned long target_pc, node->target_pc = target_pc; memcpy(&node->stack, stack, sizeof(node->stack)); ret = cds_lfht_add_unique(ht, hash, lttng_hash_match, - (const void *) target_pc, &node->node); + (const char *) target_pc, &node->node); if (ret != &node->node) { struct lfht_mp_node *ret_mp = caa_container_of(ret, struct lfht_mp_node, node); @@ -189,7 +193,7 @@ error_type: */ static int bytecode_validate_overflow(struct bytecode_runtime *bytecode, - void *start_pc, void *pc) + char *start_pc, char *pc) { int ret = 0; @@ -409,8 +413,8 @@ unsigned long delete_all_nodes(struct cds_lfht *ht) static int validate_instruction_context(struct bytecode_runtime *bytecode, struct vstack *stack, - void *start_pc, - void *pc) + char *start_pc, + char *pc) { int ret = 0; @@ -829,8 +833,8 @@ static int validate_instruction_all_contexts(struct bytecode_runtime *bytecode, struct cds_lfht *merge_points, struct vstack *stack, - void *start_pc, - void *pc) + char *start_pc, + char *pc) { int ret; unsigned long target_pc = pc - start_pc; @@ -845,10 +849,10 @@ int validate_instruction_all_contexts(struct bytecode_runtime *bytecode, return ret; /* Validate merge points */ - hash = lttng_hash_mix((const void *) target_pc, sizeof(target_pc), + hash = lttng_hash_mix((const char *) target_pc, sizeof(target_pc), lttng_hash_seed); cds_lfht_lookup(merge_points, hash, lttng_hash_match, - (const void *) target_pc, &iter); + (const char *) target_pc, &iter); node = cds_lfht_iter_get_node(&iter); if (node) { mp_node = caa_container_of(node, struct lfht_mp_node, node); @@ -879,11 +883,11 @@ static int exec_insn(struct bytecode_runtime *bytecode, struct cds_lfht *merge_points, struct vstack *stack, - void **_next_pc, - void *pc) + char **_next_pc, + char *pc) { int ret = 1; - void *next_pc = *_next_pc; + char *next_pc = *_next_pc; switch (*(filter_opcode_t *) pc) { case FILTER_OP_UNKNOWN: @@ -1168,7 +1172,7 @@ end: int lttng_filter_validate_bytecode(struct bytecode_runtime *bytecode) { struct cds_lfht *merge_points; - void *pc, *next_pc, *start_pc; + char *pc, *next_pc, *start_pc; int ret = -EINVAL; struct vstack stack;