#include "lttng/lttng-error.h"
#include <assert.h>
#include <common/error.h>
+#include <common/hashtable/hashtable.h>
+#include <common/hashtable/utils.h>
#include <common/macros.h>
-#include <common/payload.h>
+#include <common/mi-lttng.h>
#include <common/payload-view.h>
+#include <common/payload.h>
#include <fcntl.h>
#include <lttng/constant.h>
-#include <lttng/kernel-probe.h>
#include <lttng/kernel-probe-internal.h>
+#include <lttng/kernel-probe.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/unistd.h>
const struct lttng_kernel_probe_location *a,
const struct lttng_kernel_probe_location *b);
+static
+unsigned long lttng_kernel_probe_location_address_hash(
+ const struct lttng_kernel_probe_location *location);
+
+static
+unsigned long lttng_kernel_probe_location_symbol_hash(
+ const struct lttng_kernel_probe_location *location);
+
+static
+enum lttng_error_code lttng_kernel_probe_location_address_mi_serialize(
+ const struct lttng_kernel_probe_location *location,
+ struct mi_writer *writer);
+
+static
+enum lttng_error_code lttng_kernel_probe_location_symbol_mi_serialize(
+ const struct lttng_kernel_probe_location *location,
+ struct mi_writer *writer);
+
enum lttng_kernel_probe_location_type lttng_kernel_probe_location_get_type(
const struct lttng_kernel_probe_location *location)
{
ret->type = LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS;
ret->equal = lttng_kernel_probe_location_address_is_equal;
ret->serialize = lttng_kernel_probe_location_address_serialize;
+ ret->hash = lttng_kernel_probe_location_address_hash;
+ ret->mi_serialize = lttng_kernel_probe_location_address_mi_serialize;
end:
return ret;
ret->type = LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET;
ret->equal = lttng_kernel_probe_location_symbol_is_equal;
ret->serialize = lttng_kernel_probe_location_symbol_serialize;
+ ret->hash = lttng_kernel_probe_location_symbol_hash;
+ ret->mi_serialize = lttng_kernel_probe_location_symbol_mi_serialize;
goto end;
error:
struct lttng_payload_view *view,
struct lttng_kernel_probe_location **location)
{
- struct lttng_kernel_probe_location_comm *probe_location_comm;
enum lttng_kernel_probe_location_type type;
ssize_t consumed = 0;
ssize_t ret;
+ const struct lttng_kernel_probe_location_comm *probe_location_comm;
+ const struct lttng_payload_view probe_location_comm_view =
+ lttng_payload_view_from_view(
+ view, 0, sizeof(*probe_location_comm));
assert(view);
assert(location);
- if (view->buffer.size <= sizeof(*probe_location_comm)) {
+ if (!lttng_payload_view_is_valid(&probe_location_comm_view)) {
ret = -LTTNG_ERR_INVALID;
goto end;
}
- probe_location_comm = (typeof(probe_location_comm)) view->buffer.data;
+ probe_location_comm = (typeof(probe_location_comm)) probe_location_comm_view.buffer.data;
type = (enum lttng_kernel_probe_location_type) probe_location_comm->type;
consumed += sizeof(*probe_location_comm);
return ret;
}
+static
+unsigned long lttng_kernel_probe_location_address_hash(
+ const struct lttng_kernel_probe_location *location)
+{
+ unsigned long hash = hash_key_ulong(
+ (void *) LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS,
+ lttng_ht_seed);
+ struct lttng_kernel_probe_location_address *address_location =
+ container_of(location, typeof(*address_location),
+ parent);
+
+ hash ^= hash_key_u64(&address_location->address, lttng_ht_seed);
+
+ return hash;
+}
+
static
bool lttng_kernel_probe_location_address_is_equal(
const struct lttng_kernel_probe_location *_a,
return is_equal;
}
+static
+unsigned long lttng_kernel_probe_location_symbol_hash(
+ const struct lttng_kernel_probe_location *location)
+{
+ unsigned long hash = hash_key_ulong(
+ (void *) LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET,
+ lttng_ht_seed);
+ struct lttng_kernel_probe_location_symbol *symbol_location =
+ container_of(location, typeof(*symbol_location),
+ parent);
+
+ hash ^= hash_key_str(symbol_location->symbol_name, lttng_ht_seed);
+ hash ^= hash_key_u64(&symbol_location->offset, lttng_ht_seed);
+
+ return hash;
+}
+
static
bool lttng_kernel_probe_location_symbol_is_equal(
const struct lttng_kernel_probe_location *_a,
err:
return new_location;
}
+
+LTTNG_HIDDEN
+unsigned long lttng_kernel_probe_location_hash(
+ const struct lttng_kernel_probe_location *location)
+{
+ return location->hash(location);
+}
+
+static
+enum lttng_error_code lttng_kernel_probe_location_address_mi_serialize(
+ const struct lttng_kernel_probe_location *location,
+ struct mi_writer *writer)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+ enum lttng_kernel_probe_location_status status;
+ uint64_t address;
+
+ assert(location);
+ assert(writer);
+ assert(location->type == LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS);
+
+ status = lttng_kernel_probe_location_address_get_address(
+ location, &address);
+ assert(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK);
+
+ /* Open kernel probe location address element. */
+ ret = mi_lttng_writer_open_element(
+ writer, mi_lttng_element_kernel_probe_location_address);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_kernel_probe_location_address_address,
+ address);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Close kernel probe location address element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret_code = LTTNG_OK;
+ goto end;
+
+mi_error:
+ ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+ return ret_code;
+}
+
+static
+enum lttng_error_code lttng_kernel_probe_location_symbol_mi_serialize(
+ const struct lttng_kernel_probe_location *location,
+ struct mi_writer *writer)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+ enum lttng_kernel_probe_location_status status;
+ const char *name = NULL;
+ uint64_t offset;
+
+ assert(location);
+ assert(writer);
+ assert(location->type ==
+ LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET);
+
+ name = lttng_kernel_probe_location_symbol_get_name(location);
+ assert(name);
+
+ status = lttng_kernel_probe_location_symbol_get_offset(
+ location, &offset);
+ assert(status == LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK);
+
+ /* Open kernel probe location symbol offset element. */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_kernel_probe_location_symbol_offset);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Name. */
+ ret = mi_lttng_writer_write_element_string(writer,
+ mi_lttng_element_kernel_probe_location_symbol_offset_name,
+ name);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Offset. */
+ ret = mi_lttng_writer_write_element_unsigned_int(writer,
+ mi_lttng_element_kernel_probe_location_symbol_offset_offset,
+ offset);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Close kernel probe location symbol offset element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret_code = LTTNG_OK;
+ goto end;
+
+mi_error:
+ ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+ return ret_code;
+}
+
+LTTNG_HIDDEN
+enum lttng_error_code lttng_kernel_probe_location_mi_serialize(
+ const struct lttng_kernel_probe_location *location,
+ struct mi_writer *writer)
+{
+ int ret;
+ enum lttng_error_code ret_code;
+
+ assert(location);
+ assert(writer);
+
+ /* Open kernel probe location element. */
+ ret = mi_lttng_writer_open_element(
+ writer, mi_lttng_element_kernel_probe_location);
+ if (ret) {
+ goto mi_error;
+ }
+
+ /* Serialize the location sub type. */
+ ret_code = location->mi_serialize(location, writer);
+ if (ret_code != LTTNG_OK) {
+ goto end;
+ }
+
+ /* Close kernel probe location element. */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ goto mi_error;
+ }
+
+ ret_code = LTTNG_OK;
+ goto end;
+
+mi_error:
+ ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+ return ret_code;
+}
projects / lttng-tools.git / blobdiff