+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) */
+
#ifndef CREATE_SYSCALL_TABLE
#define OVERRIDE_32_execve
} \
\
if (inp) { \
- tp_locvar->fds_in = kmalloc( \
- tp_locvar->nr_ulong * sizeof(unsigned long), \
- GFP_ATOMIC | GFP_NOWAIT); \
+ tp_locvar->fds_in = lttng_tp_mempool_alloc( \
+ tp_locvar->nr_ulong * sizeof(unsigned long)); \
if (!tp_locvar->fds_in) \
goto error; \
\
goto error; \
} \
if (outp) { \
- tp_locvar->fds_out = kmalloc( \
- tp_locvar->nr_ulong * sizeof(unsigned long), \
- GFP_ATOMIC | GFP_NOWAIT); \
+ tp_locvar->fds_out = lttng_tp_mempool_alloc( \
+ tp_locvar->nr_ulong * sizeof(unsigned long)); \
if (!tp_locvar->fds_out) \
goto error; \
\
goto error; \
} \
if (exp) { \
- tp_locvar->fds_ex = kmalloc( \
- tp_locvar->nr_ulong * sizeof(unsigned long), \
- GFP_ATOMIC | GFP_NOWAIT); \
+ tp_locvar->fds_ex = lttng_tp_mempool_alloc( \
+ tp_locvar->nr_ulong * sizeof(unsigned long)); \
if (!tp_locvar->fds_ex) \
goto error; \
\
#define LTTNG_SYSCALL_SELECT_fds_field_LE(name, input) \
ctf_custom_field( \
ctf_custom_type( \
- .atype = atype_sequence, \
- .u.sequence.length_type = __type_integer( \
- uint8_t, 0, 0, 0, __BYTE_ORDER, 10, none), \
- .u.sequence.elem_type = __type_integer(uint8_t, 0, 0, 0, \
- __BYTE_ORDER, 16, none), \
+ __type_integer(uint8_t, 0, 0, 0, __BYTE_ORDER, 10, none) \
), \
- name, \
+ _ ## name ## _length, \
ctf_custom_code( \
- unsigned int src; \
- unsigned int nr_bytes_out = 0; \
- \
if (input) { \
ctf_integer_type(uint8_t, tp_locvar->nr_bytes) \
ctf_align(uint8_t) \
} else { \
ctf_integer_type(uint8_t, 0) \
ctf_align(uint8_t) \
- goto skip_##name; \
} \
+ ) \
+ ) \
+ ctf_custom_field( \
+ ctf_custom_type( \
+ { \
+ .atype = atype_sequence_nestable, \
+ .u.sequence_nestable.length_name = "_" #name "_length", \
+ .u.sequence_nestable.elem_type = __LTTNG_COMPOUND_LITERAL(struct lttng_type, \
+ __type_integer(uint8_t, 0, 0, 0, __BYTE_ORDER, 16, none)), \
+ .u.sequence_nestable.alignment = 0, \
+ } \
+ ), \
+ name, \
+ ctf_custom_code( \
+ unsigned int src; \
+ unsigned int nr_bytes_out = 0; \
+ \
+ if (!input) \
+ goto skip_##name; \
\
for (src = 0; src < tp_locvar->nr_ulong; src++) { \
int dst; \
#define LTTNG_SYSCALL_SELECT_fds_field_BE(name, input) \
ctf_custom_field( \
ctf_custom_type( \
- .atype = atype_sequence, \
- .u.sequence.length_type = __type_integer( \
- uint8_t, 0, 0, 0, __BYTE_ORDER, 10, none), \
- .u.sequence.elem_type = __type_integer(uint8_t, 0, 0, 0, \
- __BYTE_ORDER, 16, none), \
+ __type_integer(uint8_t, 0, 0, 0, __BYTE_ORDER, 10, none) \
), \
- name, \
+ _ ## name ## _length, \
ctf_custom_code( \
- unsigned int src, nr_bytes_out = 0; \
- \
if (input) { \
ctf_integer_type(uint8_t, tp_locvar->nr_bytes) \
ctf_align(uint8_t) \
} else { \
ctf_integer_type(uint8_t, 0) \
ctf_align(uint8_t) \
- goto skip_##name; \
} \
+ ) \
+ ) \
+ ctf_custom_field( \
+ ctf_custom_type( \
+ { \
+ .atype = atype_sequence_nestable, \
+ .u.sequence_nestable.elem_type = __LTTNG_COMPOUND_LITERAL(struct lttng_type, \
+ __type_integer(uint8_t, 0, 0, 0, __BYTE_ORDER, 16, none)), \
+ .u.sequence_nestable.alignment = 0, \
+ } \
+ ), \
+ name, \
+ ctf_custom_code( \
+ unsigned int src, nr_bytes_out = 0; \
+ \
+ if (!input) \
+ goto skip_##name; \
\
for (src = 0; src < tp_locvar->nr_ulong; src++) { \
int dst; \
)
#define LTTNG_SYSCALL_SELECT_code_post \
- kfree(tp_locvar->fds_in); \
- kfree(tp_locvar->fds_out); \
- kfree(tp_locvar->fds_ex);
+ lttng_tp_mempool_free(tp_locvar->fds_in); \
+ lttng_tp_mempool_free(tp_locvar->fds_out); \
+ lttng_tp_mempool_free(tp_locvar->fds_ex);
-#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
#define OVERRIDE_32_select
#define OVERRIDE_64_select
SC_LTTNG_TRACEPOINT_EVENT_CODE(select,
LTTNG_SYSCALL_SELECT_code_post
)
)
-#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) */
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
#define OVERRIDE_32_pselect6
[2] = {
.name = "events",
.type = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_pollfd_flag_fields),
- .u._struct.fields = lttng_pollfd_flag_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_pollfd_flag_fields),
+ .u.struct_nestable.fields = lttng_pollfd_flag_fields,
+ .u.struct_nestable.alignment = 0,
}
},
};
static struct lttng_type lttng_pollfd_elem = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_pollfd_fields),
- .u._struct.fields = lttng_pollfd_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_pollfd_fields),
+ .u.struct_nestable.fields = lttng_pollfd_fields,
+ .u.struct_nestable.alignment = 0,
};
#endif /* ONCE_LTTNG_TRACE_POLL_H */
{ \
int err; \
\
- tp_locvar->fds = kmalloc(tp_locvar->alloc_fds, \
- GFP_ATOMIC | GFP_NOWAIT); \
+ tp_locvar->fds = lttng_tp_mempool_alloc(tp_locvar->alloc_fds); \
if (!tp_locvar->fds) \
goto error; \
err = lib_ring_buffer_copy_from_user_check_nofault( \
sc_in( \
ctf_custom_field( \
ctf_custom_type( \
- .atype = atype_sequence_compound, \
- .u.sequence_compound.length_name = "fds_length", \
- .u.sequence_compound.elem_type = <tng_pollfd_elem, \
+ { \
+ .atype = atype_sequence_nestable, \
+ .u.sequence_nestable.length_name = "fds_length", \
+ .u.sequence_nestable.elem_type = <tng_pollfd_elem, \
+ } \
), \
fds, \
ctf_custom_code( \
sc_out( \
ctf_custom_field( \
ctf_custom_type( \
- .atype = atype_sequence_compound, \
- .u.sequence_compound.length_name = "fds_length", \
- .u.sequence_compound.elem_type = <tng_pollfd_elem, \
+ { \
+ .atype = atype_sequence_nestable, \
+ .u.sequence_nestable.length_name = "fds_length", \
+ .u.sequence_nestable.elem_type = <tng_pollfd_elem, \
+ } \
), \
fds, \
ctf_custom_code( \
)
#define LTTNG_SYSCALL_POLL_code_post \
- kfree(tp_locvar->fds);
+ lttng_tp_mempool_free(tp_locvar->fds);
-#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
#define OVERRIDE_32_poll
#define OVERRIDE_64_poll
SC_LTTNG_TRACEPOINT_EVENT_CODE(poll,
LTTNG_SYSCALL_POLL_code_post
)
)
-#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) */
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
#define OVERRIDE_32_ppoll
[0] = {
.name = "data_union",
.type = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_epoll_data_fields),
- .u._struct.fields = lttng_epoll_data_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_epoll_data_fields),
+ .u.struct_nestable.fields = lttng_epoll_data_fields,
+ .u.struct_nestable.alignment = 0,
}
},
[1] = {
[2] = {
.name = "events",
.type = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_epoll_ctl_events_fields),
- .u._struct.fields = lttng_epoll_ctl_events_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_epoll_ctl_events_fields),
+ .u.struct_nestable.fields = lttng_epoll_ctl_events_fields,
+ .u.struct_nestable.alignment = 0,
}
},
};
sc_in(
ctf_custom_field(
ctf_custom_type(
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(epoll_ctl_fields),
- .u._struct.fields = epoll_ctl_fields,
+ {
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(epoll_ctl_fields),
+ .u.struct_nestable.fields = epoll_ctl_fields,
+ .u.struct_nestable.alignment = 0,
+ }
),
event,
ctf_custom_code(
[0] = {
.name = "data_union",
.type = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_epoll_data_fields),
- .u._struct.fields = lttng_epoll_data_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_epoll_data_fields),
+ .u.struct_nestable.fields = lttng_epoll_data_fields,
+ .u.struct_nestable.alignment = 0,
}
},
[1] = {
[2] = {
.name = "events",
.type = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_epoll_ctl_events_fields),
- .u._struct.fields = lttng_epoll_ctl_events_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_epoll_ctl_events_fields),
+ .u.struct_nestable.fields = lttng_epoll_ctl_events_fields,
+ .u.struct_nestable.alignment = 0,
}
},
};
static struct lttng_type lttng_epoll_wait_elem = {
- .atype = atype_struct,
- .u._struct.nr_fields = ARRAY_SIZE(lttng_epoll_wait_fields),
- .u._struct.fields = lttng_epoll_wait_fields,
+ .atype = atype_struct_nestable,
+ .u.struct_nestable.nr_fields = ARRAY_SIZE(lttng_epoll_wait_fields),
+ .u.struct_nestable.fields = lttng_epoll_wait_fields,
+ .u.struct_nestable.alignment = 0,
};
#endif /* ONCE_LTTNG_TRACE_EPOLL_H */
tp_locvar->fds_length = ret; \
} \
\
- tp_locvar->events = kmalloc( \
- maxalloc * sizeof(struct epoll_event), \
- GFP_ATOMIC | GFP_NOWAIT); \
+ tp_locvar->events = lttng_tp_mempool_alloc( \
+ maxalloc * sizeof(struct epoll_event)); \
if (!tp_locvar->events) { \
tp_locvar->fds_length = 0; \
goto skip_code; \
#define LTTNG_SYSCALL_EPOLL_WAIT_fds_field \
ctf_custom_field( \
ctf_custom_type( \
- .atype = atype_sequence_compound, \
- .u.sequence_compound.length_name = \
- "fds_length", \
- .u.sequence_compound.elem_type = \
- <tng_epoll_wait_elem, \
+ { \
+ .atype = atype_sequence_nestable, \
+ .u.sequence_nestable.length_name = \
+ "fds_length", \
+ .u.sequence_nestable.elem_type = \
+ <tng_epoll_wait_elem, \
+ } \
), \
fds, \
ctf_custom_code( \
#define LTTNG_SYSCALL_EPOLL_WAIT_code_post \
sc_out( \
- kfree(tp_locvar->events); \
+ lttng_tp_mempool_free(tp_locvar->events); \
)
-#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM)
#define OVERRIDE_32_epoll_wait
#define OVERRIDE_64_epoll_wait
SC_LTTNG_TRACEPOINT_EVENT_CODE(epoll_wait,
LTTNG_SYSCALL_EPOLL_WAIT_code_post
)
)
-#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) */
+#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM) */
#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
#define OVERRIDE_32_epoll_pwait
)
#endif /* defined(CONFIG_X86_32) || defined(CONFIG_X86_64) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
+#if (defined(CONFIG_X86_64) && !defined(LTTNG_SC_COMPAT)) || defined(CONFIG_ARM64) || defined(CONFIG_ARM)
+#define OVERRIDE_32_socketpair
+#define OVERRIDE_64_socketpair
+SC_LTTNG_TRACEPOINT_EVENT(socketpair,
+ TP_PROTO(sc_exit(long ret,) int family, int type, int protocol, int *usockvec),
+ TP_ARGS(sc_exit(ret,) family, type, protocol, usockvec),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, family, family))
+ sc_in(ctf_integer(int, type, type))
+ sc_in(ctf_integer(int, protocol, protocol))
+ sc_out(ctf_user_array(int, socket, usockvec, 2))
+ )
+)
+#endif /* (defined(CONFIG_X86_64) && !defined(LTTNG_SC_COMPAT)) || defined(CONFIG_ARM64) || defined(CONFIG_ARM) */
+
+/*
+ * Enumeration of the open flags, as described in the 'open'
+ * system call man page.
+ */
+SC_LTTNG_TRACEPOINT_ENUM(lttng_file_status_flags,
+ TP_ENUM_VALUES(
+ ctf_enum_value("O_RDONLY", O_RDONLY)
+ ctf_enum_value("O_WRONLY", O_WRONLY)
+ ctf_enum_value("O_RDWR", O_RDWR)
+ ctf_enum_value("O_CREAT", O_CREAT)
+ ctf_enum_value("O_EXCL", O_EXCL)
+ ctf_enum_value("O_NOCTTY", O_NOCTTY)
+ ctf_enum_value("O_TRUNC", O_TRUNC)
+ ctf_enum_value("O_APPEND", O_APPEND)
+ ctf_enum_value("O_NONBLOCK", O_NONBLOCK)
+ ctf_enum_value("O_DSYNC", O_DSYNC)
+ ctf_enum_value("FASYNC", FASYNC)
+ ctf_enum_value("O_DIRECT", O_DIRECT)
+ ctf_enum_value("O_LARGEFILE", O_LARGEFILE)
+ ctf_enum_value("O_DIRECTORY", O_DIRECTORY)
+ ctf_enum_value("O_NOFOLLOW", O_NOFOLLOW)
+ ctf_enum_value("O_NOATIME", O_NOATIME)
+ ctf_enum_value("O_CLOEXEC", O_CLOEXEC)
+ ctf_enum_value("O_SYNC", __O_SYNC)
+ ctf_enum_value("O_PATH", O_PATH)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
+ ctf_enum_value("O_TMPFILE", __O_TMPFILE)
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
+ )
+)
+
+/*
+ * Enumeration of the open flags, as described in the 'open'
+ * system call man page.
+ */
+SC_LTTNG_TRACEPOINT_ENUM(lttng_file_mode,
+ TP_ENUM_VALUES(
+ ctf_enum_value("S_IRWXU", S_IRWXU)
+ ctf_enum_value("S_IRUSR", S_IRUSR)
+ ctf_enum_value("S_IWUSR", S_IWUSR)
+ ctf_enum_value("S_IXUSR", S_IXUSR)
+ ctf_enum_value("S_IRWXG", S_IRWXG)
+ ctf_enum_value("S_IRGRP", S_IRGRP)
+ ctf_enum_value("S_IWGRP", S_IWGRP)
+ ctf_enum_value("S_IXGRP", S_IXGRP)
+ ctf_enum_value("S_IRWXO", S_IRWXO)
+ ctf_enum_value("S_IROTH", S_IROTH)
+ ctf_enum_value("S_IWOTH", S_IWOTH)
+ ctf_enum_value("S_IXOTH", S_IXOTH)
+ ctf_enum_value("S_ISUID", S_ISUID)
+ ctf_enum_value("S_ISGID", S_ISGID)
+ ctf_enum_value("S_ISVTX", S_ISVTX)
+ )
+)
+
+#define OVERRIDE_32_openat
+#define OVERRIDE_64_openat
+SC_LTTNG_TRACEPOINT_EVENT(openat,
+ TP_PROTO(sc_exit(long ret,) int dfd, const char * filename, int flags, umode_t mode),
+ TP_ARGS(sc_exit(ret,) dfd, filename, flags, mode),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_integer(int, dfd, dfd))
+ sc_in(ctf_user_string(filename, filename))
+ sc_in(ctf_enum(lttng_file_status_flags, int, flags, flags))
+ sc_in(ctf_enum(lttng_file_mode, umode_t, mode, mode))
+ )
+)
+
+#define OVERRIDE_32_open
+#define OVERRIDE_64_open
+SC_LTTNG_TRACEPOINT_EVENT(open,
+ TP_PROTO(sc_exit(long ret,) const char * filename, int flags, umode_t mode),
+ TP_ARGS(sc_exit(ret,) filename, flags, mode),
+ TP_FIELDS(
+ sc_exit(ctf_integer(long, ret, ret))
+ sc_in(ctf_user_string(filename, filename))
+ sc_in(ctf_enum(lttng_file_status_flags, int, flags, flags))
+ sc_in(ctf_enum(lttng_file_mode, umode_t, mode, mode))
+ )
+)
+
#endif /* CREATE_SYSCALL_TABLE */