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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