| // SPDX-License-Identifier: GPL-2.0 |
| #include <stdio.h> |
| #include <string.h> |
| #include <inttypes.h> |
| #include <endian.h> |
| #include "event-parse.h" |
| |
| /* |
| * From glibc endian.h, for older systems where it is not present, e.g.: RHEL5, |
| * Fedora6. |
| */ |
| #ifndef le16toh |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| # define le16toh(x) (x) |
| # else |
| # define le16toh(x) __bswap_16 (x) |
| # endif |
| #endif |
| |
| |
| static unsigned long long |
| process___le16_to_cpup(struct trace_seq *s, unsigned long long *args) |
| { |
| uint16_t *val = (uint16_t *) (unsigned long) args[0]; |
| return val ? (long long) le16toh(*val) : 0; |
| } |
| |
| int TEP_PLUGIN_LOADER(struct tep_handle *pevent) |
| { |
| tep_register_print_function(pevent, |
| process___le16_to_cpup, |
| TEP_FUNC_ARG_INT, |
| "__le16_to_cpup", |
| TEP_FUNC_ARG_PTR, |
| TEP_FUNC_ARG_VOID); |
| return 0; |
| } |
| |
| void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent) |
| { |
| tep_unregister_print_function(pevent, process___le16_to_cpup, |
| "__le16_to_cpup"); |
| } |
