diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index fa1dccb579d..ea7e0bcbd53 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -15,6 +15,10 @@ #include <linux/trace_seq.h> #include <linux/ftrace_event.h> +#ifdef CONFIG_KSYM_TRACER +#include <asm/hw_breakpoint.h> +#endif + enum trace_type { __TRACE_FIRST_TYPE = 0, @@ -38,6 +42,7 @@ enum trace_type { TRACE_KMEM_FREE, TRACE_POWER, TRACE_BLK, + TRACE_KSYM, __TRACE_LAST_TYPE, }; @@ -205,6 +210,16 @@ struct syscall_trace_exit { unsigned long ret; }; +#define KSYM_SELFTEST_ENTRY "ksym_selftest_dummy" +extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr); + +struct ksym_trace_entry { + struct trace_entry ent; + unsigned long ip; + unsigned char type; + char ksym_name[KSYM_NAME_LEN]; + char cmd[TASK_COMM_LEN]; +}; /* * trace_flag_type is an enumeration that holds different @@ -315,6 +330,7 @@ extern void __ftrace_bad_type(void); TRACE_KMEM_ALLOC); \ IF_ASSIGN(var, ent, struct kmemtrace_free_entry, \ TRACE_KMEM_FREE); \ + IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\ __ftrace_bad_type(); \ } while (0) @@ -558,6 +574,8 @@ extern int trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr); extern int trace_selftest_startup_hw_branches(struct tracer *trace, struct trace_array *tr); +extern int trace_selftest_startup_ksym(struct tracer *trace, + struct trace_array *tr); #endif /* CONFIG_FTRACE_STARTUP_TEST */ extern void *head_page(struct trace_array_cpu *data); |