| 1 | /* |
| 2 | * This file specifies the format of gmon.out files. It should have |
| 3 | * as few external dependencies as possible as it is going to be |
| 4 | * included in many different programs. That is, minimize the |
| 5 | * number of #include's. |
| 6 | * |
| 7 | * A gmon.out file consists of a header (defined by gmon_hdr) followed |
| 8 | * by a sequence of records. Each record starts with a one-byte tag |
| 9 | * identifying the type of records, followed by records specific data. |
| 10 | */ |
| 11 | #ifndef gmon_out_h |
| 12 | #define gmon_out_h |
| 13 | |
| 14 | #define GMON_MAGIC "gmon" /* magic cookie */ |
| 15 | #define GMON_VERSION 1 /* version number */ |
| 16 | |
| 17 | /* |
| 18 | * Raw header as it appears on file (without padding): |
| 19 | */ |
| 20 | struct gmon_hdr { |
| 21 | char cookie[4]; |
| 22 | char version[4]; |
| 23 | char spare[3*4]; |
| 24 | }; |
| 25 | |
| 26 | /* types of records in this file: */ |
| 27 | typedef enum { |
| 28 | GMON_TAG_TIME_HIST, GMON_TAG_CG_ARC, GMON_TAG_BB_COUNT |
| 29 | } GMON_Record_Tag; |
| 30 | |
| 31 | struct gmon_hist_hdr { |
| 32 | char low_pc[sizeof(bfd_vma)]; /* base pc address of sample buffer */ |
| 33 | char high_pc[sizeof(bfd_vma)]; /* max pc address of sampled buffer */ |
| 34 | char hist_size[4]; /* size of sample buffer */ |
| 35 | char prof_rate[4]; /* profiling clock rate */ |
| 36 | char dimen[15]; /* phys. dim., usually "seconds" */ |
| 37 | char dimen_abbrev; /* usually 's' for "seconds" */ |
| 38 | }; |
| 39 | |
| 40 | struct gmon_cg_arc_record { |
| 41 | char from_pc[sizeof(bfd_vma)]; /* address within caller's body */ |
| 42 | char self_pc[sizeof(bfd_vma)]; /* address within callee's body */ |
| 43 | char count[4]; /* number of arc traversals */ |
| 44 | }; |
| 45 | |
| 46 | #endif /* gmon_out_h */ |