X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gprof%2Fgmon.h;h=be670ffc44639a2f9dd834ac3dc6f19680c4d8de;hb=ba241f2d5a6f1ac57e746d230892e27a70def4a6;hp=2c88a6300d2e10425ebee59880036fd2d7f9c365;hpb=73fbbeead4ad2f978769a43cd9582ef1104f6732;p=deliverable%2Fbinutils-gdb.git diff --git a/gprof/gmon.h b/gprof/gmon.h index 2c88a6300d..be670ffc44 100644 --- a/gprof/gmon.h +++ b/gprof/gmon.h @@ -1,6 +1,6 @@ -/*- - * Copyright (c) 1991 The Regents of the University of California. - * All rights reserved. +/* + * Copyright (c) 1983, 1991, 1993, 2001 + * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -10,11 +10,7 @@ * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors + * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * @@ -29,83 +25,133 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * - * @(#)gmon.h 5.2 (Berkeley) 5/6/91 */ +#ifndef gmon_h +#define gmon_h + +/* Size of the 4.4BSD gmon header */ +#define GMON_HDRSIZE_BSD44_32 (4 + 4 + 4 + 4 + 4 + (3 * 4)) +#define GMON_HDRSIZE_BSD44_64 (8 + 8 + 4 + 4 + 4 + (3 * 4)) + +/* *INDENT-OFF* */ +/* For documentation purposes only. + + struct raw_phdr + { + char low_pc[sizeof(void *)]; -- base pc address of sample buffer + char high_pc[sizeof(void *)]; -- max pc address of sampled buffer + char ncnt[4]; -- size of sample buffer (plus this + header) + + char version[4]; -- version number + char profrate[4]; -- profiling clock rate + char spare[3*4]; -- reserved + }; +*/ +/* *INDENT-ON* */ + +#define GMONVERSION 0x00051879 + +/* Size of the old BSD gmon header */ +#define GMON_HDRSIZE_OLDBSD_32 (4 + 4 + 4) + +/* FIXME: Checking host compiler defines here means that we can't + use a cross gprof alpha OSF. */ +#if defined(__alpha__) && defined (__osf__) +#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4 + 4) +#else +#define GMON_HDRSIZE_OLDBSD_64 (8 + 8 + 4) +#endif -struct phdr { - char *lpc; - char *hpc; - int ncnt; -}; - - /* - * histogram counters are unsigned shorts (according to the kernel). - */ -#define HISTCOUNTER unsigned short - - /* - * fraction of text space to allocate for histogram counters - * here, 1/2 - */ +/* *INDENT-OFF* */ +/* For documentation purposes only. + + struct old_raw_phdr + { + char low_pc[sizeof(void *)]; -- base pc address of sample buffer + char high_pc[sizeof(void *)] -- max pc address of sampled buffer + char ncnt[4]; -- size of sample buffer (plus this + header) + + if defined (__alpha__) && defined (__osf__) + char pad[4]; -- DEC's OSF v3.0 uses 4 bytes of padding + -- to bring the header to a size that is a + -- multiple of 8. + endif + }; +*/ +/* *INDENT-ON* */ + +/* + * Histogram counters are unsigned shorts: + */ +#define HISTCOUNTER unsigned short + +/* + * Fraction of text space to allocate for histogram counters here, 1/2: + */ #define HISTFRACTION 2 - /* - * Fraction of text space to allocate for from hash buckets. - * The value of HASHFRACTION is based on the minimum number of bytes - * of separation between two subroutine call points in the object code. - * Given MIN_SUBR_SEPARATION bytes of separation the value of - * HASHFRACTION is calculated as: - * - * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1); - * - * For the VAX, the shortest two call sequence is: - * - * calls $0,(r0) - * calls $0,(r0) - * - * which is separated by only three bytes, thus HASHFRACTION is - * calculated as: - * - * HASHFRACTION = 3 / (2 * 2 - 1) = 1 - * - * Note that the division above rounds down, thus if MIN_SUBR_FRACTION - * is less than three, this algorithm will not work! - */ -#define HASHFRACTION 1 - - /* - * percent of text space to allocate for tostructs - * with a minimum. - */ +/* + * Fraction of text space to allocate for from hash buckets. The + * value of HASHFRACTION is based on the minimum number of bytes of + * separation between two subroutine call points in the object code. + * Given MIN_SUBR_SEPARATION bytes of separation the value of + * HASHFRACTION is calculated as: + * + * HASHFRACTION = MIN_SUBR_SEPARATION / (2 * sizeof(short) - 1); + * + * For the VAX, the shortest two call sequence is: + * + * calls $0,(r0) + * calls $0,(r0) + * + * which is separated by only three bytes, thus HASHFRACTION is + * calculated as: + * + * HASHFRACTION = 3 / (2 * 2 - 1) = 1 + * + * Note that the division above rounds down, thus if MIN_SUBR_FRACTION + * is less than three, this algorithm will not work! + */ +#define HASHFRACTION 1 + +/* + * Percent of text space to allocate for tostructs with a minimum: + */ #define ARCDENSITY 2 #define MINARCS 50 -struct tostruct { - char *selfpc; - long count; - unsigned short link; -}; - - /* - * a raw arc, - * with pointers to the calling site and the called site - * and a count. - */ -struct rawarc { - unsigned long raw_frompc; - unsigned long raw_selfpc; - long raw_count; -}; - -struct veryrawarc { - char raw_frompc[4]; - char raw_selfpc[4]; - char raw_count[4]; -}; - - /* - * general rounding functions. - */ +struct tostruct + { + char *selfpc; + int count; + unsigned short link; + }; + +/* + * A raw arc, with pointers to the calling site and the called site + * and a count. Everything is defined in terms of characters so + * as to get a packed representation (otherwise, different compilers + * might introduce different padding): + */ + +/* *INDENT-OFF* */ +/* For documentation purposes only. + + struct raw_arc + { + char from_pc[sizeof(void *)]; + char self_pc[sizeof(void *)]; + char count[sizeof(long)]; + }; +*/ +/* *INDENT-ON* */ + +/* + * General rounding functions: + */ #define ROUNDDOWN(x,y) (((x)/(y))*(y)) #define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y)) + +#endif /* gmon_h */