X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=include%2Flttng%2Fuserspace-probe-internal.h;h=8708ec01c4dad7d2931f48ad67c03a759c2c23af;hp=9c580323c822be55cdcef4ff8eb7fe3321921eef;hb=f4d0bb2e92e94cb5eb304c8e92afcc804591539d;hpb=abcc74facc86124042abdb9fd4391b6eadda2b9e diff --git a/include/lttng/userspace-probe-internal.h b/include/lttng/userspace-probe-internal.h index 9c580323c..8708ec01c 100644 --- a/include/lttng/userspace-probe-internal.h +++ b/include/lttng/userspace-probe-internal.h @@ -44,6 +44,10 @@ struct lttng_userspace_probe_location_lookup_method_elf { struct lttng_userspace_probe_location_lookup_method parent; }; +struct lttng_userspace_probe_location_lookup_method_sdt { + struct lttng_userspace_probe_location_lookup_method parent; +}; + struct lttng_userspace_probe_location_comm { /* enum lttng_userspace_probe_location_type */ int8_t type; @@ -67,6 +71,20 @@ struct lttng_userspace_probe_location_function_comm { char payload[]; } LTTNG_PACKED; +struct lttng_userspace_probe_location_tracepoint_comm { + /* The three lengths include the trailing \0. */ + uint32_t probe_name_len; + uint32_t provider_name_len; + uint32_t binary_path_len; + /* + * Payload is composed of, in that order, + * - probe name (with trailing \0), + * - provider name (with trailing \0), + * - absolute binary path (with trailing \0) + */ + char payload[]; +} LTTNG_PACKED; + /* Common ancestor of all userspace probe locations. */ struct lttng_userspace_probe_location { enum lttng_userspace_probe_location_type type; @@ -86,6 +104,20 @@ struct lttng_userspace_probe_location_function { int binary_fd; }; +struct lttng_userspace_probe_location_tracepoint { + struct lttng_userspace_probe_location parent; + char *probe_name; + char *provider_name; + char *binary_path; + /* + * binary_fd is a file descriptor to the executable file. It's open + * early on to keep the backing inode valid over the course of the + * intrumentation and use. It prevents deletion and reuse races. + * Set to -1 if not open. + */ + int binary_fd; +}; + LTTNG_HIDDEN int lttng_userspace_probe_location_serialize( const struct lttng_userspace_probe_location *location, @@ -101,6 +133,10 @@ LTTNG_HIDDEN int lttng_userspace_probe_location_function_set_binary_fd( struct lttng_userspace_probe_location *location, int binary_fd); +LTTNG_HIDDEN +int lttng_userspace_probe_location_tracepoint_set_binary_fd( + struct lttng_userspace_probe_location *location, int binary_fd); + /* * Returns a version of the location that is serialized to a contiguous region * of memory. Pass NULL to buffer to only get the storage requirement of the