1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
3 #ifndef CREATE_SYSCALL_TABLE
6 * The `flags` argument of the mmap syscall is split in two parts:
7 * - The type of mapping is described by the four least significant bits of the 4
9 * - The options on the mapping are described by the remaining 28 most
12 #define MAPPING_TYPE_RESERVED_BITS 4
13 #define LTTNG_MMAP_FLAGS_TO_CTF(x) ((x) >> MAPPING_TYPE_RESERVED_BITS)
16 * Enumeration of the mmap flags, as described in the 'mmap'
17 * system call man page.
19 SC_LTTNG_TRACEPOINT_ENUM(lttng_mmap_protection
,
21 ctf_enum_value("PROT_EXEC", PROT_EXEC
)
22 ctf_enum_value("PROT_READ", PROT_READ
)
23 ctf_enum_value("PROT_WRITE", PROT_WRITE
)
24 ctf_enum_value("PROT_NONE", PROT_NONE
)
28 SC_LTTNG_TRACEPOINT_ENUM(lttng_mmap_flags_mapping_type
,
30 ctf_enum_value("MAP_SHARED", MAP_SHARED
)
31 ctf_enum_value("MAP_PRIVATE", MAP_PRIVATE
)
32 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
33 ctf_enum_value("MAP_SHARED_VALIDATE", MAP_SHARED_VALIDATE
)
34 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
39 * Shift the values of the options so we can read them from the `flags` integer
42 SC_LTTNG_TRACEPOINT_ENUM(lttng_mmap_flags_options
,
44 ctf_enum_value("<none>", 0)
45 ctf_enum_value("MAP_32BIT", LTTNG_MMAP_FLAGS_TO_CTF(MAP_32BIT
))
46 ctf_enum_value("MAP_ANONYMOUS", LTTNG_MMAP_FLAGS_TO_CTF(MAP_ANONYMOUS
))
47 ctf_enum_value("MAP_DENYWRITE", LTTNG_MMAP_FLAGS_TO_CTF(MAP_DENYWRITE
))
48 ctf_enum_value("MAP_EXECUTABLE", LTTNG_MMAP_FLAGS_TO_CTF(MAP_EXECUTABLE
))
49 ctf_enum_value("MAP_FIXED", LTTNG_MMAP_FLAGS_TO_CTF(MAP_FIXED
))
50 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0))
51 ctf_enum_value("MAP_FIXED_NOREPLACE", LTTNG_MMAP_FLAGS_TO_CTF(MAP_FIXED_NOREPLACE
))
52 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,17,0)) */
53 ctf_enum_value("MAP_GROWSDOWN", LTTNG_MMAP_FLAGS_TO_CTF(MAP_GROWSDOWN
))
54 ctf_enum_value("MAP_HUGETLB", LTTNG_MMAP_FLAGS_TO_CTF(MAP_HUGETLB
))
55 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
56 ctf_enum_value("MAP_HUGETLB_2MB", LTTNG_MMAP_FLAGS_TO_CTF(MAP_HUGE_2MB
))
57 ctf_enum_value("MAP_HUGETLB_1GB", LTTNG_MMAP_FLAGS_TO_CTF(MAP_HUGE_1GB
))
58 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)) */
59 ctf_enum_value("MAP_LOCKED", LTTNG_MMAP_FLAGS_TO_CTF(MAP_LOCKED
))
60 ctf_enum_value("MAP_NONBLOCK", LTTNG_MMAP_FLAGS_TO_CTF(MAP_NONBLOCK
))
61 ctf_enum_value("MAP_NORESERVE", LTTNG_MMAP_FLAGS_TO_CTF(MAP_NORESERVE
))
62 ctf_enum_value("MAP_POPULATE", LTTNG_MMAP_FLAGS_TO_CTF(MAP_POPULATE
))
63 ctf_enum_value("MAP_STACK", LTTNG_MMAP_FLAGS_TO_CTF(MAP_STACK
))
64 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0))
65 ctf_enum_value("MAP_SYNC", LTTNG_MMAP_FLAGS_TO_CTF(MAP_SYNC
))
66 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,15,0)) */
67 ctf_enum_value("MAP_UNINITIALIZED", LTTNG_MMAP_FLAGS_TO_CTF(MAP_UNINITIALIZED
))
71 #define LTTNG_MMAP_FLAGS_TYPE \
75 .atype = atype_enum_nestable, \
78 .desc = &__enum_lttng_mmap_flags_mapping_type, \
79 .container_type = __LTTNG_COMPOUND_LITERAL( \
80 struct lttng_type, __type_integer(uint32_t, \
81 4, 1, -1, __BYTE_ORDER, 16, none)), \
87 #define LTTNG_MMAP_FLAGS_OPTIONS \
91 .atype = atype_enum_nestable, \
94 .desc = &__enum_lttng_mmap_flags_options, \
95 .container_type = __LTTNG_COMPOUND_LITERAL( \
96 struct lttng_type, __type_integer(uint32_t, \
97 28, 1, -1, __BYTE_ORDER, 16, none)),\
103 #if (__BYTE_ORDER == __LITTLE_ENDIAN)
104 #define LTTNG_MMAP_FLAGS \
105 [0] = LTTNG_MMAP_FLAGS_TYPE, \
106 [1] = LTTNG_MMAP_FLAGS_OPTIONS,
109 #define LTTNG_MMAP_FLAGS \
110 [0] = LTTNG_MMAP_FLAGS_OPTIONS, \
111 [1] = LTTNG_MMAP_FLAGS_TYPE,
115 * Use a custom field here so that tracer writes a single integer and the
116 * work of splitting it up in two fields is left to the trace reader.
118 #define OVERRIDE_32_mmap
119 #define OVERRIDE_64_mmap
120 SC_LTTNG_TRACEPOINT_EVENT(mmap
,
121 TP_PROTO(sc_exit(unsigned long ret
,)
122 unsigned long addr
, unsigned long len
,
123 unsigned long prot
, unsigned long flags
,
124 unsigned long fd
, unsigned long off
),
125 TP_ARGS(sc_exit(ret
,) addr
, len
, prot
, flags
, fd
, off
),
126 TP_FIELDS(sc_exit(ctf_integer_hex(unsigned long, ret
, ret
))
127 sc_in(ctf_integer_hex(unsigned long, addr
, addr
))
128 sc_in(ctf_integer(size_t, len
, len
))
129 sc_in(ctf_enum(lttng_mmap_protection
, int, prot
, prot
))
134 .atype
= atype_struct_nestable
,
135 .u
.struct_nestable
.nr_fields
= 2,
136 .u
.struct_nestable
.fields
=
137 __LTTNG_COMPOUND_LITERAL(struct lttng_event_field
,
140 .u
.struct_nestable
.alignment
= lttng_alignof(uint32_t) * CHAR_BIT
,
145 ctf_integer_type(uint32_t, flags
)
149 sc_in(ctf_integer(int, fd
, fd
))
150 sc_in(ctf_integer(off_t
, offset
, off
))
155 * Enumeration of the open flags, as described in the 'open'
156 * system call man page.
158 SC_LTTNG_TRACEPOINT_ENUM(lttng_fcntl_cmd_flags
,
160 ctf_enum_value("F_DUPFD", F_DUPFD
)
161 ctf_enum_value("F_GETFD", F_GETFD
)
162 ctf_enum_value("F_SETFD", F_SETFD
)
163 ctf_enum_value("F_GETFL", F_GETFL
)
164 ctf_enum_value("F_SETFL", F_SETFL
)
165 ctf_enum_value("F_GETLK", F_GETLK
)
166 ctf_enum_value("F_SETLK", F_SETLK
)
167 ctf_enum_value("F_SETLKW", F_SETLKW
)
168 ctf_enum_value("F_SETOWN", F_SETOWN
)
169 ctf_enum_value("F_GETOWN", F_GETOWN
)
170 ctf_enum_value("F_SETSIG", F_SETSIG
)
171 ctf_enum_value("F_GETSIG", F_GETSIG
)
172 #if !defined(CONFIG_64BIT) || defined(CONFIG_COMPAT)
173 ctf_enum_value("F_GETLK64", F_GETLK64
)
174 ctf_enum_value("F_SETLK64", F_SETLK64
)
175 ctf_enum_value("F_SETLKW64", F_SETLKW64
)
176 #endif /* #if !defined(CONFIG_64BIT) || defined(CONFIG_COMPAT) */
177 ctf_enum_value("F_SETOWN_EX", F_SETOWN_EX
)
178 ctf_enum_value("F_GETOWN_EX", F_GETOWN_EX
)
179 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
180 ctf_enum_value("F_GETOWNER_UIDS", F_GETOWNER_UIDS
)
181 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */
182 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0))
183 ctf_enum_value("F_OFD_GETLK", F_OFD_GETLK
)
184 ctf_enum_value("F_OFD_SETLK", F_OFD_SETLK
)
185 ctf_enum_value("F_OFD_SETLKW", F_OFD_SETLKW
)
186 #endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
187 ctf_enum_value("F_SETLEASE", F_SETLEASE
)
188 ctf_enum_value("F_GETLEASE", F_GETLEASE
)
189 ctf_enum_value("F_NOTIFY", F_NOTIFY
)
190 ctf_enum_value("F_CANCELLK", F_CANCELLK
)
191 ctf_enum_value("F_DUPFD_CLOEXEC", F_DUPFD_CLOEXEC
)
192 ctf_enum_value("F_SETPIPE_SZ", F_SETPIPE_SZ
)
193 ctf_enum_value("F_GETPIPE_SZ", F_GETPIPE_SZ
)
194 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0))
195 ctf_enum_value("F_ADD_SEALS", F_ADD_SEALS
)
196 ctf_enum_value("F_GET_SEALS", F_GET_SEALS
)
197 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,17,0)) */
198 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
199 ctf_enum_value("F_GET_RW_HINT", F_GET_RW_HINT
)
200 ctf_enum_value("F_SET_RW_HINT", F_SET_RW_HINT
)
201 ctf_enum_value("F_GET_FILE_RW_HINT", F_GET_FILE_RW_HINT
)
202 ctf_enum_value("F_SET_FILE_RW_HINT", F_SET_FILE_RW_HINT
)
203 #endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0)) */
207 #define OVERRIDE_32_fcntl
208 #define OVERRIDE_64_fcntl
209 SC_LTTNG_TRACEPOINT_EVENT(fcntl
,
210 TP_PROTO(sc_exit(long ret
,) unsigned int fd
, unsigned int cmd
, unsigned long arg
),
211 TP_ARGS(sc_exit(ret
,) fd
, cmd
, arg
),
213 sc_exit(ctf_integer(long, ret
, ret
))
214 sc_in(ctf_integer(unsigned int, fd
, fd
))
215 sc_in(ctf_enum(lttng_fcntl_cmd_flags
, unsigned int, cmd
, cmd
))
216 sc_inout(ctf_integer(unsigned long, arg
, arg
)))
219 #endif /* CREATE_SYSCALL_TABLE */