projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c196845 MJ |
1 | // SPDX-FileCopyrightText: 2005-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 2 | // | |
| 3 | // SPDX-License-Identifier: MIT | |
| 4 | ||
| 1ea11eab | 5 | /* |
| c0c0989a | 6 | * This contains the core definitions for the Linux Trace Toolkit. |
| 1ea11eab MD |
7 | */ |
| 8 | ||
| c0c0989a MJ |
9 | #ifndef _LTTNG_UST_TRACER_H |
| 10 | #define _LTTNG_UST_TRACER_H | |
| 11 | ||
| 2eba8e39 | 12 | #include <lttng/ust-arch.h> |
| 2df82195 | 13 | #include <lttng/ust-compiler.h> |
| eae3c729 | 14 | #include <lttng/ust-utils.h> |
| b728d87e | 15 | #include <lttng/ust-version.h> |
| d4d59a97 | 16 | |
| 5f796aec | 17 | /* |
| 74d65852 MD |
18 | * On architectures without efficient unaligned accesses, the layout of |
| 19 | * the ringbuffer's content respects the natural alignment of the | |
| 88292c33 MD |
20 | * system. Only pack its content on architectures we know have efficient |
| 21 | * unaligned memory access. | |
| 22 | * | |
| 23 | * Whether to pack the ring buffer contents or not is part of the ABI | |
| 24 | * between the probe providers and the tracer, and is selected by the | |
| 25 | * lttng/ust-arch.h header. | |
| 5f796aec | 26 | */ |
| 2eba8e39 | 27 | #ifndef LTTNG_UST_ARCH_HAS_EFFICIENT_UNALIGNED_ACCESS |
| 5f796aec | 28 | #define LTTNG_UST_RING_BUFFER_NATURAL_ALIGN |
| 1ea11eab MD |
29 | #endif |
| 30 | ||
| 5f796aec | 31 | #ifdef LTTNG_UST_RING_BUFFER_NATURAL_ALIGN |
| dc325c1d | 32 | #define lttng_ust_rb_alignof(type) __alignof__(type) |
| 1ea11eab | 33 | #else |
| dc325c1d | 34 | #define lttng_ust_rb_alignof(type) 1 |
| 1ea11eab MD |
35 | #endif |
| 36 | ||
| 3d3dc207 MJ |
37 | /* |
| 38 | * Concatenate lttng ust shared libraries name with their major version number. | |
| 39 | */ | |
| 40 | #define LTTNG_UST_LIB_SONAME "liblttng-ust.so." lttng_ust_stringify(LTTNG_UST_LIB_SONAME_MAJOR) | |
| 41 | #define LTTNG_UST_TRACEPOINT_LIB_SONAME "liblttng-ust-tracepoint.so." lttng_ust_stringify(LTTNG_UST_LIB_SONAME_MAJOR) | |
| 42 | #define LTTNG_UST_CTL_LIB_SONAME "liblttng-ust-ctl.so." lttng_ust_stringify(LTTNG_UST_CTL_LIB_SONAME_MAJOR) | |
| 43 | ||
| 44 | ||
| 7dd08bec | 45 | #endif /* _LTTNG_UST_TRACER_H */ |