projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4ea42b18 MH |
1 | #ifndef _PROBE_FINDER_H |
| 2 | #define _PROBE_FINDER_H | |
| 3 | ||
| 4 | #define _stringify(n) #n | |
| 5 | #define stringify(n) _stringify(n) | |
| 6 | ||
| 7 | #ifdef DEBUG | |
| 8 | #define debug(fmt ...) \ | |
| 9 | fprintf(stderr, "DBG(" __FILE__ ":" stringify(__LINE__) "): " fmt) | |
| 10 | #else | |
| 11 | #define debug(fmt ...) do {} while (0) | |
| 12 | #endif | |
| 13 | ||
| 14 | #define ERR_IF(cnd) \ | |
| 15 | do { if (cnd) { \ | |
| 16 | fprintf(stderr, "Error (" __FILE__ ":" stringify(__LINE__) \ | |
| 17 | "): " stringify(cnd) "\n"); \ | |
| 18 | exit(1); \ | |
| 19 | } } while (0) | |
| 20 | ||
| 21 | #define MAX_PATH_LEN 256 | |
| 22 | #define MAX_PROBE_BUFFER 1024 | |
| 23 | #define MAX_PROBES 128 | |
| 24 | ||
| 25 | static inline int is_c_varname(const char *name) | |
| 26 | { | |
| 27 | /* TODO */ | |
| 28 | return isalpha(name[0]) || name[0] == '_'; | |
| 29 | } | |
| 30 | ||
| 31 | struct probe_point { | |
| 32 | /* Inputs */ | |
| 33 | char *file; /* File name */ | |
| 34 | int line; /* Line number */ | |
| 35 | ||
| 36 | char *function; /* Function name */ | |
| 37 | int offset; /* Offset bytes */ | |
| 38 | ||
| 39 | int nr_args; /* Number of arguments */ | |
| 40 | char **args; /* Arguments */ | |
| 41 | ||
| 42 | /* Output */ | |
| 43 | int found; /* Number of found probe points */ | |
| 44 | char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ | |
| 45 | }; | |
| 46 | ||
| 47 | extern int find_probepoint(int fd, struct probe_point *pp); | |
| 48 | ||
| 49 | #include <libdwarf/dwarf.h> | |
| 50 | #include <libdwarf/libdwarf.h> | |
| 51 | ||
| 52 | struct probe_finder { | |
| 53 | struct probe_point *pp; /* Target probe point */ | |
| 54 | ||
| 55 | /* For function searching */ | |
| 56 | Dwarf_Addr addr; /* Address */ | |
| 57 | Dwarf_Unsigned fno; /* File number */ | |
| 58 | Dwarf_Off inl_offs; /* Inline offset */ | |
| 59 | ||
| 60 | /* For variable searching */ | |
| 61 | Dwarf_Addr cu_base; /* Current CU base address */ | |
| 62 | Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ | |
| 63 | const char *var; /* Current variable name */ | |
| 64 | char *buf; /* Current output buffer */ | |
| 65 | int len; /* Length of output buffer */ | |
| 66 | }; | |
| 67 | ||
| 68 | #endif /*_PROBE_FINDER_H */ |