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Diffstat (limited to 'gprof/gmon_out.h')
| -rw-r--r-- | gprof/gmon_out.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gprof/gmon_out.h b/gprof/gmon_out.h new file mode 100644 index 0000000..c963869 --- /dev/null +++ b/gprof/gmon_out.h @@ -0,0 +1,46 @@ +/* + * This file specifies the format of gmon.out files. It should have + * as few external dependencies as possible as it is going to be + * included in many different programs. That is, minimize the + * number of #include's. + * + * A gmon.out file consists of a header (defined by gmon_hdr) followed + * by a sequence of records. Each record starts with a one-byte tag + * identifying the type of records, followed by records specific data. + */ +#ifndef gmon_out_h +#define gmon_out_h + +#define GMON_MAGIC "gmon" /* magic cookie */ +#define GMON_VERSION 1 /* version number */ + +/* + * Raw header as it appears on file (without padding): + */ +struct gmon_hdr { + char cookie[4]; + char version[4]; + char spare[3*4]; +}; + +/* types of records in this file: */ +typedef enum { + GMON_TAG_TIME_HIST, GMON_TAG_CG_ARC, GMON_TAG_BB_COUNT +} GMON_Record_Tag; + +struct gmon_hist_hdr { + char low_pc[sizeof(bfd_vma)]; /* base pc address of sample buffer */ + char high_pc[sizeof(bfd_vma)]; /* max pc address of sampled buffer */ + char hist_size[4]; /* size of sample buffer */ + char prof_rate[4]; /* profiling clock rate */ + char dimen[15]; /* phys. dim., usually "seconds" */ + char dimen_abbrev; /* usually 's' for "seconds" */ +}; + +struct gmon_cg_arc_record { + char from_pc[sizeof(bfd_vma)]; /* address within caller's body */ + char self_pc[sizeof(bfd_vma)]; /* address within callee's body */ + char count[4]; /* number of arc traversals */ +}; + +#endif /* gmon_out_h */ |