diff options
Diffstat (limited to 'gprof/hist.h')
| -rw-r--r-- | gprof/hist.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/gprof/hist.h b/gprof/hist.h index 96624c6..4ed6958 100644 --- a/gprof/hist.h +++ b/gprof/hist.h @@ -21,20 +21,37 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. #ifndef hist_h #define hist_h -extern bfd_vma s_lowpc; /* Lowpc from the profile file. */ -extern bfd_vma s_highpc; /* Highpc from the profile file. */ -extern bfd_vma lowpc, highpc; /* Range profiled, in UNIT's. */ -extern unsigned int hist_num_bins; /* Number of histogram bins. */ -extern int *hist_sample; /* Code histogram. */ +typedef struct histogram +{ + bfd_vma lowpc; + bfd_vma highpc; + unsigned int num_bins; + int *sample; /* Histogram samples (shorts in the file!). */ +} histogram; + +histogram *histograms; +unsigned num_histograms; /* Scale factor converting samples to pc values: each sample covers HIST_SCALE bytes. */ extern double hist_scale; - extern void hist_read_rec (FILE *, const char *); extern void hist_write_hist (FILE *, const char *); extern void hist_assign_samples (void); extern void hist_print (void); +/* Checks if ADDRESS is within the range of addresses for which + we have histogram data. Returns 1 if so and 0 otherwise. */ +extern int hist_check_address (unsigned address); + +/* Given a range of addresses for a symbol, find a histogram record + that intersects with this range, and clips the range to that + histogram record, modifying *P_LOWPC and *P_HIGHPC. + + If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to + one unspecified value. If more that one intersection is found, + an error is emitted. */ +extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc); + #endif /* hist_h */ |