diff options
Diffstat (limited to 'tools/perf/util/probe-finder.h')
| -rw-r--r-- | tools/perf/util/probe-finder.h | 59 |
1 files changed, 40 insertions, 19 deletions
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index beaefc3c122..92590b2c7e1 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h @@ -3,11 +3,12 @@ #include <stdbool.h> #include "util.h" +#include "intlist.h" #include "probe-event.h" -#define MAX_PATH_LEN 256 #define MAX_PROBE_BUFFER 1024 #define MAX_PROBES 128 +#define MAX_PROBE_ARGS 128 static inline int is_c_varname(const char *name) { @@ -15,41 +16,58 @@ static inline int is_c_varname(const char *name) return isalpha(name[0]) || name[0] == '_'; } -#ifdef DWARF_SUPPORT +#ifdef HAVE_DWARF_SUPPORT + +#include "dwarf-aux.h" + +/* TODO: export debuginfo data structure even if no dwarf support */ + +/* debug information structure */ +struct debuginfo { + Dwarf *dbg; + Dwfl_Module *mod; + Dwfl *dwfl; + Dwarf_Addr bias; +}; + +/* This also tries to open distro debuginfo */ +extern struct debuginfo *debuginfo__new(const char *path); +extern void debuginfo__delete(struct debuginfo *dbg); + /* Find probe_trace_events specified by perf_probe_event from debuginfo */ -extern int find_probe_trace_events(int fd, struct perf_probe_event *pev, - struct probe_trace_event **tevs, - int max_tevs); +extern int debuginfo__find_trace_events(struct debuginfo *dbg, + struct perf_probe_event *pev, + struct probe_trace_event **tevs, + int max_tevs); /* Find a perf_probe_point from debuginfo */ -extern int find_perf_probe_point(unsigned long addr, - struct perf_probe_point *ppt); +extern int debuginfo__find_probe_point(struct debuginfo *dbg, + unsigned long addr, + struct perf_probe_point *ppt); /* Find a line range */ -extern int find_line_range(int fd, struct line_range *lr); +extern int debuginfo__find_line_range(struct debuginfo *dbg, + struct line_range *lr); /* Find available variables */ -extern int find_available_vars_at(int fd, struct perf_probe_event *pev, - struct variable_list **vls, int max_points, - bool externs); - -#include <dwarf.h> -#include <elfutils/libdw.h> -#include <elfutils/libdwfl.h> -#include <elfutils/version.h> +extern int debuginfo__find_available_vars_at(struct debuginfo *dbg, + struct perf_probe_event *pev, + struct variable_list **vls, + int max_points, bool externs); struct probe_finder { struct perf_probe_event *pev; /* Target probe event */ /* Callback when a probe point is found */ - int (*callback)(Dwarf_Die *sp_die, struct probe_finder *pf); + int (*callback)(Dwarf_Die *sc_die, struct probe_finder *pf); /* For function searching */ int lno; /* Line number */ Dwarf_Addr addr; /* Address */ const char *fname; /* Real file name */ Dwarf_Die cu_die; /* Current CU */ - struct list_head lcache; /* Line cache for lazy match */ + Dwarf_Die sp_die; + struct intlist *lcache; /* Line cache for lazy match */ /* For variable searching */ #if _ELFUTILS_PREREQ(0, 142) @@ -62,6 +80,7 @@ struct probe_finder { struct trace_event_finder { struct probe_finder pf; + Dwfl_Module *mod; /* For solving symbols */ struct probe_trace_event *tevs; /* Found trace events */ int ntevs; /* Number of trace events */ int max_tevs; /* Max number of trace events */ @@ -69,6 +88,7 @@ struct trace_event_finder { struct available_var_finder { struct probe_finder pf; + Dwfl_Module *mod; /* For solving symbols */ struct variable_list *vls; /* Found variable lists */ int nvls; /* Number of variable lists */ int max_vls; /* Max no. of variable lists */ @@ -83,9 +103,10 @@ struct line_finder { int lno_s; /* Start line number */ int lno_e; /* End line number */ Dwarf_Die cu_die; /* Current CU */ + Dwarf_Die sp_die; int found; }; -#endif /* DWARF_SUPPORT */ +#endif /* HAVE_DWARF_SUPPORT */ #endif /*_PROBE_FINDER_H */ |