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| author | Namhyung Kim <namhyung.kim@lge.com> | 2013-11-26 07:21:04 +0100 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2014-01-02 22:17:41 +0100 |
| commit | 1301a44e77557e928700f91c7083c5770054c212 (patch) | |
| tree | a2bb5e3dae59f410a2030790e1f2cdf2071e4487 /kernel/trace/trace_probe.h | |
| parent | tracing/probes: Implement 'stack' fetch method for uprobes (diff) | |
| download | linux-1301a44e77557e928700f91c7083c5770054c212.tar.xz linux-1301a44e77557e928700f91c7083c5770054c212.zip | |
tracing/probes: Move 'symbol' fetch method to kprobes
Move existing functions to trace_kprobe.c and add NULL entries to the
uprobes fetch type table. I don't make them static since some generic
routines like update/free_XXX_fetch_param() require pointers to the
functions.
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'kernel/trace/trace_probe.h')
| -rw-r--r-- | kernel/trace/trace_probe.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h index 8211dd674ab6..8be84550ceb3 100644 --- a/kernel/trace/trace_probe.h +++ b/kernel/trace/trace_probe.h @@ -239,6 +239,30 @@ ASSIGN_FETCH_FUNC(bitfield, ftype), \ extern __weak const struct fetch_type kprobes_fetch_type_table[]; extern __weak const struct fetch_type uprobes_fetch_type_table[]; +#ifdef CONFIG_KPROBE_EVENT +struct symbol_cache; +unsigned long update_symbol_cache(struct symbol_cache *sc); +void free_symbol_cache(struct symbol_cache *sc); +struct symbol_cache *alloc_symbol_cache(const char *sym, long offset); +#else +struct symbol_cache { +}; +static inline unsigned long __used update_symbol_cache(struct symbol_cache *sc) +{ + return 0; +} + +static inline void __used free_symbol_cache(struct symbol_cache *sc) +{ +} + +static inline struct symbol_cache * __used +alloc_symbol_cache(const char *sym, long offset) +{ + return NULL; +} +#endif /* CONFIG_KPROBE_EVENT */ + struct probe_arg { struct fetch_param fetch; struct fetch_param fetch_size; |