+++ /dev/null
-/*
- * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License, version 2.1 only,
- * as published by the Free Software Foundation.
- *
- * 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.
- *
- * 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
- */
-
-#include <assert.h>
-#include <common/error.h>
-#include <common/macros.h>
-#include <common/compat/string.h>
-#include <fcntl.h>
-#include <lttng/constant.h>
-#include <lttng/userspace-probe-internal.h>
-
-enum lttng_userspace_probe_location_lookup_method_type
-lttng_userspace_probe_location_lookup_method_get_type(
- const struct lttng_userspace_probe_location_lookup_method *lookup_method)
-{
- return lookup_method ? lookup_method->type :
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_UNKNOWN;
-}
-
-void lttng_userspace_probe_location_lookup_method_destroy(
- struct lttng_userspace_probe_location_lookup_method *lookup_method)
-{
- if (!lookup_method){
- return;
- }
-
- switch (lookup_method->type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
- {
- struct lttng_userspace_probe_location_lookup_method_elf *elf_method =
- container_of(lookup_method,
- struct lttng_userspace_probe_location_lookup_method_elf, parent);
- free(elf_method);
- break;
- }
- default:
- break;
- }
-}
-
-struct lttng_userspace_probe_location_lookup_method *
-lttng_userspace_probe_location_lookup_method_function_elf_create(void)
-{
- struct lttng_userspace_probe_location_lookup_method *ret = NULL;
- struct lttng_userspace_probe_location_lookup_method_elf *elf_method;
-
- elf_method = zmalloc(sizeof(*elf_method));
- if (!elf_method) {
- PERROR("zmalloc");
- goto end;
- }
-
- ret = &elf_method->parent;
- ret->type = LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF;
-end:
- return ret;
-}
-
-enum lttng_userspace_probe_location_type lttng_userspace_probe_location_get_type(
- const struct lttng_userspace_probe_location *location)
-{
- return location ? location->type :
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN;
-}
-
-static
-void lttng_userspace_probe_location_function_destroy(
- struct lttng_userspace_probe_location *location)
-{
- struct lttng_userspace_probe_location_function *location_function = NULL;
-
- assert(location);
-
- location_function = container_of(location,
- struct lttng_userspace_probe_location_function, parent);
-
- assert(location_function);
-
- free(location_function->function_name);
- free(location_function->binary_path);
- if (location_function->binary_fd >= 0) {
- if (close(location_function->binary_fd)) {
- PERROR("close");
- }
- }
- free(location);
-}
-
-void lttng_userspace_probe_location_destroy(
- struct lttng_userspace_probe_location *location)
-{
- if (!location) {
- return;
- }
-
- lttng_userspace_probe_location_lookup_method_destroy(
- location->lookup_method);
-
- switch (location->type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
- lttng_userspace_probe_location_function_destroy(location);
- break;
- default:
- free(location);
- }
-}
-
-static struct lttng_userspace_probe_location *
-lttng_userspace_probe_location_function_create_no_check(const char *binary_path,
- const char *function_name,
- struct lttng_userspace_probe_location_lookup_method *lookup_method,
- bool open_binary)
-{
- int binary_fd = -1;
- char *function_name_copy = NULL, *binary_path_copy = NULL;
- struct lttng_userspace_probe_location *ret = NULL;
- struct lttng_userspace_probe_location_function *location;
-
- if (open_binary) {
- binary_fd = open(binary_path, O_RDONLY);
- if (binary_fd < 0) {
- PERROR("Error opening the binary");
- goto error;
- }
- } else {
- binary_fd = -1;
- }
-
- function_name_copy = lttng_strndup(function_name, LTTNG_SYMBOL_NAME_LEN);
- if (!function_name_copy) {
- PERROR("Error duplicating the function name");
- goto error;
- }
-
- binary_path_copy = lttng_strndup(binary_path, LTTNG_PATH_MAX);
- if (!binary_path_copy) {
- PERROR("Error duplicating the function name");
- goto error;
- }
-
- location = zmalloc(sizeof(*location));
- if (!location) {
- PERROR("Error allocating userspace probe location");
- goto error;
- }
-
- location->function_name = function_name_copy;
- location->binary_path = binary_path_copy;
- location->binary_fd = binary_fd;
-
- ret = &location->parent;
- ret->lookup_method = lookup_method;
- ret->type = LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION;
- goto end;
-
-error:
- free(function_name_copy);
- free(binary_path_copy);
- if (binary_fd >= 0) {
- if (close(binary_fd)) {
- PERROR("Error closing binary fd in error path");
- }
- }
-end:
- return ret;
-}
-
-struct lttng_userspace_probe_location *
-lttng_userspace_probe_location_function_create(const char *binary_path,
- const char *function_name,
- struct lttng_userspace_probe_location_lookup_method *lookup_method)
-{
- struct lttng_userspace_probe_location *ret = NULL;
-
- if (!binary_path || !function_name) {
- ERR("Invalid argument(s)");
- goto end;
- }
-
- switch (lttng_userspace_probe_location_lookup_method_get_type(
- lookup_method)) {
- case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT:
- case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
- break;
- default:
- /* Invalid probe location lookup method. */
- goto end;
- }
-
- ret = lttng_userspace_probe_location_function_create_no_check(
- binary_path, function_name, lookup_method, true);
-end:
- return ret;
-}
-
-const char *lttng_userspace_probe_location_function_get_binary_path(
- const struct lttng_userspace_probe_location *location)
-{
- const char *ret = NULL;
- struct lttng_userspace_probe_location_function *function_location;
-
- if (!location || lttng_userspace_probe_location_get_type(location) !=
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION) {
- ERR("Invalid argument(s)");
- goto end;
- }
-
- function_location = container_of(location,
- struct lttng_userspace_probe_location_function,
- parent);
- ret = function_location->binary_path;
-end:
- return ret;
-}
-
-const char *lttng_userspace_probe_location_function_get_function_name(
- const struct lttng_userspace_probe_location *location)
-{
- const char *ret = NULL;
- struct lttng_userspace_probe_location_function *function_location;
-
- if (!location || lttng_userspace_probe_location_get_type(location) !=
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION) {
- ERR("Invalid argument(s)");
- goto end;
- }
-
- function_location = container_of(location,
- struct lttng_userspace_probe_location_function, parent);
- ret = function_location->function_name;
-end:
- return ret;
-}
-
-int lttng_userspace_probe_location_function_get_binary_fd(
- const struct lttng_userspace_probe_location *location)
-{
- int ret = -1;
- struct lttng_userspace_probe_location_function *function_location;
-
- if (!location || lttng_userspace_probe_location_get_type(location) !=
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION) {
- ERR("Invalid argument(s)");
- goto end;
- }
-
- function_location = container_of(location,
- struct lttng_userspace_probe_location_function, parent);
- ret = function_location->binary_fd;
-end:
- return ret;
-}
-
-static struct lttng_userspace_probe_location_lookup_method *
-lttng_userspace_probe_location_function_get_lookup_method(
- const struct lttng_userspace_probe_location *location)
-{
- struct lttng_userspace_probe_location_lookup_method *ret = NULL;
-
- if (!location || lttng_userspace_probe_location_get_type(location) !=
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION) {
- ERR("Invalid argument(s)");
- goto end;
- }
-
- ret = location->lookup_method;
-end:
- return ret;
-}
-
-struct lttng_userspace_probe_location_lookup_method *
-lttng_userspace_probe_location_get_lookup_method(
- const struct lttng_userspace_probe_location *location)
-{
- struct lttng_userspace_probe_location_lookup_method *ret = NULL;
-
- assert(location);
- switch (location->type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
- ret = lttng_userspace_probe_location_function_get_lookup_method(
- location);
- break;
- default:
- ERR("Unknowned lookup method.");
- break;
- }
- return ret;
-}
-
-static
-int lttng_userspace_probe_location_lookup_method_serialize(
- struct lttng_userspace_probe_location_lookup_method *method,
- struct lttng_dynamic_buffer *buffer)
-{
- int ret;
- struct lttng_userspace_probe_location_lookup_method_comm
- lookup_method_comm;
-
- lookup_method_comm.type = (int8_t) (method ? method->type :
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT);
- if (buffer) {
- ret = lttng_dynamic_buffer_append(buffer, &lookup_method_comm,
- sizeof(lookup_method_comm));
- if (ret) {
- goto end;
- }
- }
- ret = sizeof(lookup_method_comm);
-end:
- return ret;
-}
-
-static
-int lttng_userspace_probe_location_function_serialize(
- const struct lttng_userspace_probe_location *location,
- struct lttng_dynamic_buffer *buffer,
- int *binary_fd)
-{
- int ret;
- size_t function_name_len, binary_path_len;
- struct lttng_userspace_probe_location_function *location_function;
- struct lttng_userspace_probe_location_function_comm location_function_comm;
-
- assert(location);
- assert(lttng_userspace_probe_location_get_type(location) ==
- LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION);
-
- location_function = container_of(location,
- struct lttng_userspace_probe_location_function,
- parent);
- if (!location_function->function_name || !location_function->binary_path) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (binary_fd && location_function->binary_fd < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- if (binary_fd) {
- *binary_fd = location_function->binary_fd;
- }
-
- function_name_len = strlen(location_function->function_name);
- if (function_name_len == 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- binary_path_len = strlen(location_function->binary_path);
- if (binary_path_len == 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- location_function_comm.function_name_len = function_name_len + 1;
- location_function_comm.binary_path_len = binary_path_len + 1;
-
- if (buffer) {
- ret = lttng_dynamic_buffer_append(buffer,
- &location_function_comm,
- sizeof(location_function_comm));
- if (ret) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = lttng_dynamic_buffer_append(buffer,
- location_function->function_name,
- location_function_comm.function_name_len);
- if (ret) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- ret = lttng_dynamic_buffer_append(buffer,
- location_function->binary_path,
- location_function_comm.binary_path_len);
- if (ret) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- }
- ret = sizeof(location_function_comm) +
- location_function_comm.function_name_len +
- location_function_comm.binary_path_len;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int lttng_userspace_probe_location_serialize(
- const struct lttng_userspace_probe_location *location,
- struct lttng_dynamic_buffer *buffer,
- int *binary_fd)
-{
- int ret, buffer_use = 0;
- struct lttng_userspace_probe_location_comm location_generic_comm;
-
- if (!location) {
- ERR("Invalid argument(s)");
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- memset(&location_generic_comm, 0, sizeof(location_generic_comm));
-
- location_generic_comm.type = (int8_t) location->type;
- if (buffer) {
- ret = lttng_dynamic_buffer_append(buffer, &location_generic_comm,
- sizeof(location_generic_comm));
- if (ret) {
- goto end;
- }
- }
- buffer_use += sizeof(location_generic_comm);
-
- switch (lttng_userspace_probe_location_get_type(location)) {
- case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
- ret = lttng_userspace_probe_location_function_serialize(
- location, buffer, binary_fd);
- break;
- default:
- ERR("Unsupported probe location type");
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- if (ret < 0) {
- goto end;
- }
- buffer_use += ret;
-
- ret = lttng_userspace_probe_location_lookup_method_serialize(
- location->lookup_method, buffer);
- if (ret < 0) {
- goto end;
- }
- ret += buffer_use;
-end:
- return ret;
-}
-
-static
-int lttng_userspace_probe_location_function_create_from_buffer(
- const struct lttng_buffer_view *buffer,
- struct lttng_userspace_probe_location **location)
-{
- struct lttng_userspace_probe_location_function_comm *location_function_comm;
- const char *function_name_src, *binary_path_src;
- char *function_name = NULL, *binary_path = NULL;
- int ret = 0;
-
- assert(buffer);
- assert(buffer->data);
- assert(location);
-
- location_function_comm =
- (struct lttng_userspace_probe_location_function_comm *) buffer->data;
-
- const size_t expected_size = sizeof(*location_function_comm) +
- location_function_comm->function_name_len +
- location_function_comm->binary_path_len;
-
- if (buffer->size < expected_size) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- function_name_src = buffer->data + sizeof(*location_function_comm);
- binary_path_src = function_name_src +
- location_function_comm->function_name_len;
-
- if (function_name_src[location_function_comm->function_name_len - 1] != '\0') {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- if (binary_path_src[location_function_comm->binary_path_len - 1] != '\0') {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- function_name = lttng_strndup(function_name_src, LTTNG_SYMBOL_NAME_LEN);
- if (!function_name) {
- PERROR("lttng_strndup");
- goto end;
- }
-
- binary_path = lttng_strndup(binary_path_src, LTTNG_PATH_MAX);
- if (!binary_path) {
- PERROR("lttng_strndup");
- goto end;
- }
-
- *location = lttng_userspace_probe_location_function_create_no_check(
- binary_path, function_name, NULL, false);
- if (!(*location)) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- ret = (int) expected_size;
-end:
- free(function_name);
- free(binary_path);
- return ret;
-}
-
-static
-int lttng_userspace_probe_location_lookup_method_create_from_buffer(
- struct lttng_buffer_view *buffer,
- struct lttng_userspace_probe_location_lookup_method **lookup_method)
-{
- int ret;
- struct lttng_userspace_probe_location_lookup_method_comm *lookup_comm;
- enum lttng_userspace_probe_location_lookup_method_type type;
-
- assert(buffer);
- assert(buffer->data);
- assert(lookup_method);
-
- if (buffer->size < sizeof(*lookup_comm)) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- lookup_comm = (struct lttng_userspace_probe_location_lookup_method_comm *)
- buffer->data;
- type = (enum lttng_userspace_probe_location_lookup_method_type)
- lookup_comm->type;
- switch (type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT:
- *lookup_method = NULL;
- break;
- case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF:
- *lookup_method =
- lttng_userspace_probe_location_lookup_method_function_elf_create();
- if (!(*lookup_method)) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- break;
- default:
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- ret = sizeof(*lookup_comm);
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int lttng_userspace_probe_location_create_from_buffer(
- const struct lttng_buffer_view *buffer,
- struct lttng_userspace_probe_location **location)
-{
- struct lttng_userspace_probe_location_lookup_method *lookup_method;
- struct lttng_userspace_probe_location_comm *probe_location_comm;
- enum lttng_userspace_probe_location_type type;
- struct lttng_buffer_view lookup_method_view;
- int consumed = 0;
- int ret;
-
-
- assert(buffer);
- assert(buffer->data);
- assert(location);
-
- lookup_method = NULL;
-
- if (buffer->size <= sizeof(*probe_location_comm)) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- probe_location_comm =
- (struct lttng_userspace_probe_location_comm *) buffer->data;
- type = (enum lttng_userspace_probe_location_type) probe_location_comm->type;
- consumed += sizeof(*probe_location_comm);
-
- switch (type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
- {
- struct lttng_buffer_view view = lttng_buffer_view_from_view(
- buffer, consumed, buffer->size - consumed);
-
- ret = lttng_userspace_probe_location_function_create_from_buffer(
- &view, location);
- if (ret < 0) {
- goto end;
- }
- break;
- }
- default:
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- consumed += ret;
- if (buffer->size <= consumed) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- lookup_method_view = lttng_buffer_view_from_view(buffer, consumed,
- buffer->size - consumed);
- ret = lttng_userspace_probe_location_lookup_method_create_from_buffer(
- &lookup_method_view, &lookup_method);
- if (ret < 0) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- assert(lookup_method);
- (*location)->lookup_method = lookup_method;
- lookup_method = NULL;
- ret += consumed;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int lttng_userspace_probe_location_function_set_binary_fd(
- struct lttng_userspace_probe_location *location, int binary_fd)
-{
- int ret = 0;
- struct lttng_userspace_probe_location_function *function_location;
-
- assert(location);
- assert(location->type == LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION);
-
- function_location = container_of(location,
- struct lttng_userspace_probe_location_function, parent);
- if (function_location->binary_fd >= 0) {
- ret = close(function_location->binary_fd);
- if (ret) {
- PERROR("close");
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
- }
-
- function_location->binary_fd = binary_fd;
-end:
- return ret;
-}
-
-static
-int lttng_userspace_probe_location_function_flatten(
- const struct lttng_userspace_probe_location *location,
- struct lttng_dynamic_buffer *buffer)
-{
- struct lttng_userspace_probe_location_lookup_method_elf flat_lookup_method;
- struct lttng_userspace_probe_location_function *probe_function;
- struct lttng_userspace_probe_location_function flat_probe;
- size_t function_name_len, binary_path_len;
- size_t padding_needed = 0;
- char *flat_probe_start;
- int storage_needed = 0;
- int ret;
-
- assert(location);
-
- if (location->lookup_method && location->lookup_method->type !=
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- probe_function = container_of(location,
- struct lttng_userspace_probe_location_function,
- parent);
- assert(probe_function->function_name);
- assert(probe_function->binary_path);
-
- storage_needed +=
- sizeof(struct lttng_userspace_probe_location_function);
- function_name_len = strlen(probe_function->function_name) + 1;
- binary_path_len = strlen(probe_function->binary_path) + 1;
- storage_needed += function_name_len + binary_path_len;
-
- /*
- * The lookup method is aligned to 64-bit within the buffer.
- * This is needed even if there is no lookup method since
- * the next structure in the buffer probably needs to be
- * aligned too (depending on the arch).
- */
- padding_needed = ALIGN_TO(storage_needed, sizeof(uint64_t)) - storage_needed;
- storage_needed += padding_needed;
-
- if (location->lookup_method) {
- /* NOTE: elf look-up method is assumed here. */
- storage_needed += sizeof(struct lttng_userspace_probe_location_lookup_method_elf);
- }
-
- if (!buffer) {
- ret = storage_needed;
- goto end;
- }
-
- if (lttng_dynamic_buffer_get_capacity_left(buffer) < storage_needed) {
- ret = lttng_dynamic_buffer_set_capacity(buffer,
- buffer->size + storage_needed);
- if (ret) {
- goto end;
- }
- }
-
- memset(&flat_probe, 0, sizeof(flat_probe));
-
- flat_probe_start = buffer->data + buffer->size;
- flat_probe.parent.type = location->type;
- /*
- * The lookup method, if present, is the last element in the flat
- * representation of the probe.
- */
- if (location->lookup_method) {
- flat_probe.parent.lookup_method =
- (struct lttng_userspace_probe_location_lookup_method *)
- (flat_probe_start + sizeof(flat_probe) +
- function_name_len + binary_path_len + padding_needed);
- } else {
- flat_probe.parent.lookup_method = NULL;
- }
-
- flat_probe.function_name = flat_probe_start + sizeof(flat_probe);
- flat_probe.binary_path = flat_probe.function_name + function_name_len;
- flat_probe.binary_fd = -1;
- ret = lttng_dynamic_buffer_append(buffer, &flat_probe,
- sizeof(flat_probe));
- if (ret) {
- goto end;
- }
-
- ret = lttng_dynamic_buffer_append(buffer,
- probe_function->function_name, function_name_len);
- if (ret) {
- goto end;
- }
- ret = lttng_dynamic_buffer_append(buffer,
- probe_function->binary_path, binary_path_len);
- if (ret) {
- goto end;
- }
-
- /* Insert padding before the lookup method. */
- ret = lttng_dynamic_buffer_set_size(buffer,
- buffer->size + padding_needed);
- if (ret) {
- goto end;
- }
-
- if (!location->lookup_method) {
- /* Not an error, the default method is used. */
- ret = storage_needed;
- goto end;
- }
-
- memset(&flat_lookup_method, 0, sizeof(flat_lookup_method));
- flat_lookup_method.parent.type =
- LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF;
- ret = lttng_dynamic_buffer_append(buffer,
- &flat_lookup_method, sizeof(flat_lookup_method));
- if (ret) {
- goto end;
- }
- ret = storage_needed;
-end:
- return ret;
-}
-
-LTTNG_HIDDEN
-int lttng_userspace_probe_location_flatten(
- const struct lttng_userspace_probe_location *location,
- struct lttng_dynamic_buffer *buffer)
-{
- int ret;
- if (!location) {
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
- /* Only types currently supported. */
- switch (location->type) {
- case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION:
- ret = lttng_userspace_probe_location_function_flatten(location, buffer);
- break;
- default:
- ret = -LTTNG_ERR_INVALID;
- goto end;
- }
-
-end:
- return ret;
-}
projects / lttng-tools.git / blobdiff