| 1 | /* $Id: highpc.c,v 1.2 2000-05-23 20:40:36 jeroen Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Mesa 3-D graphics library
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| 5 | * Version: 3.1
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| 6 | *
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| 7 | * Copyright (C) 1999 Brian Paul All Rights Reserved.
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 10 | * copy of this software and associated documentation files (the "Software"),
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| 11 | * to deal in the Software without restriction, including without limitation
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following conditions:
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| 15 | *
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| 16 | * The above copyright notice and this permission notice shall be included
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| 17 | * in all copies or substantial portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 25 | */
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| 26 |
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| 27 | #include "glheader.h"
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| 28 | #include "types.h" /* for MESA_VERBOSE */
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| 29 |
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| 30 |
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| 31 | /*
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| 32 | * This is the highest address in Mesa
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| 33 | */
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| 34 | void mesa_highpc(void) { }
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| 35 |
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| 36 | #if defined(__GNUC__) && defined(__linux__)
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| 37 |
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| 38 | void monstartup( char *lowpc, char *highpc );
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| 39 | void _mcleanup( void );
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| 40 | void mesa_lowpc( void );
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| 41 | void mesa_highpc( void );
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| 42 |
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| 43 | static int profile = 0;
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| 44 |
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| 45 | void force_init_prof( void )
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| 46 | {
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| 47 | FILE *fp;
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| 48 |
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| 49 | if (profile) return;
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| 50 |
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| 51 | profile = 1;
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| 52 |
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| 53 | monstartup( (char *)mesa_lowpc, (char *)mesa_highpc );
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| 54 |
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| 55 | fprintf(stderr, "Starting profiling, %x %x\n",
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| 56 | (unsigned int)mesa_lowpc,
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| 57 | (unsigned int)mesa_highpc);
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| 58 |
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| 59 | if ((fp = fopen( "mesa_lowpc", "w" )) != NULL) {
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| 60 | fprintf( fp, "0x%08x ", (unsigned int)mesa_lowpc );
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| 61 | fclose( fp );
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | /*
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| 66 | * Start profiling
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| 67 | */
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| 68 | void __attribute__ ((constructor))
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| 69 | init_prof( void )
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| 70 | {
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| 71 | FILE *fp;
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| 72 | char *s = getenv("MESA_MON");
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| 73 |
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| 74 | if (s == NULL || atoi(s) == 0)
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| 75 | return;
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| 76 |
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| 77 | profile = 1;
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| 78 |
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| 79 | monstartup( (char *)mesa_lowpc, (char *)mesa_highpc );
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| 80 |
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| 81 | fprintf(stderr, "Starting profiling, %x %x\n",
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| 82 | (unsigned int)mesa_lowpc,
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| 83 | (unsigned int)mesa_highpc);
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| 84 |
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| 85 | if ((fp = fopen( "mesa_lowpc", "w" )) != NULL) {
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| 86 | fprintf( fp, "0x%08x ", (unsigned int)mesa_lowpc );
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| 87 | fclose( fp );
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| 88 | }
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| 89 | }
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| 90 |
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| 91 |
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| 92 |
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| 93 | /*
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| 94 | * Finish profiling
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| 95 | */
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| 96 | void __attribute__ ((destructor))
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| 97 | fini_prof( void )
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| 98 | {
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| 99 | if (profile) {
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| 100 | _mcleanup( );
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| 101 |
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| 102 | fprintf(stderr, "Finished profiling\n");
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| 103 | }
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| 104 | }
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| 105 |
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| 106 | #else
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| 107 |
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| 108 | void force_init_prof( void )
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| 109 | {
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| 110 | }
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| 111 |
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| 112 | #endif
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