diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/Makefile | 3 | ||||
-rw-r--r-- | tools/perf/util/probe-finder.h | 59 |
2 files changed, 34 insertions, 28 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 7814dbbd401d..4390d225686d 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile | |||
@@ -487,10 +487,11 @@ else | |||
487 | msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); | 487 | msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]); |
488 | endif | 488 | endif |
489 | 489 | ||
490 | ifneq ($(shell sh -c "(echo '\#include <libdwarf/dwarf.h>'; echo '\#include <libdwarf/libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) | 490 | ifneq ($(shell sh -c "(echo '\#ifndef _MIPS_SZLONG'; echo '\#define _MIPS_SZLONG 0'; echo '\#endif'; echo '\#include <dwarf.h>'; echo '\#include <libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/libdwarf -ldwarf -lelf -o /dev/null $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y) |
491 | msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231); | 491 | msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231); |
492 | BASIC_CFLAGS += -DNO_LIBDWARF | 492 | BASIC_CFLAGS += -DNO_LIBDWARF |
493 | else | 493 | else |
494 | BASIC_CFLAGS += -I/usr/include/libdwarf | ||
494 | EXTLIBS += -lelf -ldwarf | 495 | EXTLIBS += -lelf -ldwarf |
495 | LIB_OBJS += util/probe-finder.o | 496 | LIB_OBJS += util/probe-finder.o |
496 | endif | 497 | endif |
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h index 5e4050ce2963..a4086aaddb73 100644 --- a/tools/perf/util/probe-finder.h +++ b/tools/perf/util/probe-finder.h | |||
@@ -1,9 +1,9 @@ | |||
1 | #ifndef _PROBE_FINDER_H | 1 | #ifndef _PROBE_FINDER_H |
2 | #define _PROBE_FINDER_H | 2 | #define _PROBE_FINDER_H |
3 | 3 | ||
4 | #define MAX_PATH_LEN 256 | 4 | #define MAX_PATH_LEN 256 |
5 | #define MAX_PROBE_BUFFER 1024 | 5 | #define MAX_PROBE_BUFFER 1024 |
6 | #define MAX_PROBES 128 | 6 | #define MAX_PROBES 128 |
7 | 7 | ||
8 | static inline int is_c_varname(const char *name) | 8 | static inline int is_c_varname(const char *name) |
9 | { | 9 | { |
@@ -12,48 +12,53 @@ static inline int is_c_varname(const char *name) | |||
12 | } | 12 | } |
13 | 13 | ||
14 | struct probe_point { | 14 | struct probe_point { |
15 | char *event; /* Event name */ | 15 | char *event; /* Event name */ |
16 | char *group; /* Event group */ | 16 | char *group; /* Event group */ |
17 | 17 | ||
18 | /* Inputs */ | 18 | /* Inputs */ |
19 | char *file; /* File name */ | 19 | char *file; /* File name */ |
20 | int line; /* Line number */ | 20 | int line; /* Line number */ |
21 | 21 | ||
22 | char *function; /* Function name */ | 22 | char *function; /* Function name */ |
23 | int offset; /* Offset bytes */ | 23 | int offset; /* Offset bytes */ |
24 | 24 | ||
25 | int nr_args; /* Number of arguments */ | 25 | int nr_args; /* Number of arguments */ |
26 | char **args; /* Arguments */ | 26 | char **args; /* Arguments */ |
27 | 27 | ||
28 | int retprobe; /* Return probe */ | 28 | int retprobe; /* Return probe */ |
29 | 29 | ||
30 | /* Output */ | 30 | /* Output */ |
31 | int found; /* Number of found probe points */ | 31 | int found; /* Number of found probe points */ |
32 | char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ | 32 | char *probes[MAX_PROBES]; /* Output buffers (will be allocated)*/ |
33 | }; | 33 | }; |
34 | 34 | ||
35 | #ifndef NO_LIBDWARF | 35 | #ifndef NO_LIBDWARF |
36 | extern int find_probepoint(int fd, struct probe_point *pp); | 36 | extern int find_probepoint(int fd, struct probe_point *pp); |
37 | 37 | ||
38 | #include <libdwarf/dwarf.h> | 38 | /* Workaround for undefined _MIPS_SZLONG bug in libdwarf.h: */ |
39 | #include <libdwarf/libdwarf.h> | 39 | #ifndef _MIPS_SZLONG |
40 | # define _MIPS_SZLONG 0 | ||
41 | #endif | ||
42 | |||
43 | #include <dwarf.h> | ||
44 | #include <libdwarf.h> | ||
40 | 45 | ||
41 | struct probe_finder { | 46 | struct probe_finder { |
42 | struct probe_point *pp; /* Target probe point */ | 47 | struct probe_point *pp; /* Target probe point */ |
43 | 48 | ||
44 | /* For function searching */ | 49 | /* For function searching */ |
45 | Dwarf_Addr addr; /* Address */ | 50 | Dwarf_Addr addr; /* Address */ |
46 | Dwarf_Unsigned fno; /* File number */ | 51 | Dwarf_Unsigned fno; /* File number */ |
47 | Dwarf_Unsigned lno; /* Line number */ | 52 | Dwarf_Unsigned lno; /* Line number */ |
48 | Dwarf_Off inl_offs; /* Inline offset */ | 53 | Dwarf_Off inl_offs; /* Inline offset */ |
49 | Dwarf_Die cu_die; /* Current CU */ | 54 | Dwarf_Die cu_die; /* Current CU */ |
50 | 55 | ||
51 | /* For variable searching */ | 56 | /* For variable searching */ |
52 | Dwarf_Addr cu_base; /* Current CU base address */ | 57 | Dwarf_Addr cu_base; /* Current CU base address */ |
53 | Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ | 58 | Dwarf_Locdesc fbloc; /* Location of Current Frame Base */ |
54 | const char *var; /* Current variable name */ | 59 | const char *var; /* Current variable name */ |
55 | char *buf; /* Current output buffer */ | 60 | char *buf; /* Current output buffer */ |
56 | int len; /* Length of output buffer */ | 61 | int len; /* Length of output buffer */ |
57 | }; | 62 | }; |
58 | #endif /* NO_LIBDWARF */ | 63 | #endif /* NO_LIBDWARF */ |
59 | 64 | ||