1 | /*! @file TraceReaderLogQEMU.cc |
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2 | * @brief TraceReaderLogQEMU Implementation |
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3 | * |
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4 | * This file contains the implementation of the functions supporting |
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5 | * reading the QEMU coverage data files. |
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6 | */ |
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7 | |
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8 | #include <stdio.h> |
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9 | #include <stdlib.h> |
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10 | #include <sys/stat.h> |
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11 | #include <string.h> |
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12 | #include <getopt.h> |
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13 | #include <signal.h> |
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14 | #include <unistd.h> |
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15 | |
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16 | #include "qemu-log.h" |
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17 | #include "TraceReaderLogQEMU.h" |
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18 | #include "TraceWriterQEMU.h" |
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19 | #include "TraceList.h" |
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20 | #include "ObjdumpProcessor.h" |
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21 | #include "app_common.h" |
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22 | #include "TargetFactory.h" |
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23 | |
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24 | #include "rld.h" |
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25 | #include "rld-process.h" |
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26 | |
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27 | #ifdef _WIN32 |
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28 | #define kill(p,s) raise(s) |
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29 | #endif |
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30 | |
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31 | char* progname; |
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32 | |
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33 | void usage() |
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34 | { |
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35 | fprintf( |
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36 | stderr, |
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37 | "Usage: %s [-v] -c CPU -e executable -t tracefile [-E logfile]\n", |
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38 | progname |
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39 | ); |
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40 | exit(1); |
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41 | } |
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42 | |
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43 | static void |
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44 | fatal_signal( int signum ) |
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45 | { |
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46 | signal( signum, SIG_DFL ); |
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47 | |
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48 | rld::process::temporaries_clean_up(); |
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49 | |
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50 | /* |
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51 | * Get the same signal again, this time not handled, so its normal effect |
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52 | * occurs. |
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53 | */ |
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54 | kill( getpid(), signum ); |
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55 | } |
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56 | |
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57 | static void |
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58 | setup_signals( void ) |
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59 | { |
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60 | if ( signal (SIGINT, SIG_IGN) != SIG_IGN ) |
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61 | signal( SIGINT, fatal_signal ); |
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62 | #ifdef SIGHUP |
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63 | if ( signal( SIGHUP, SIG_IGN ) != SIG_IGN ) |
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64 | signal( SIGHUP, fatal_signal ); |
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65 | #endif |
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66 | if ( signal( SIGTERM, SIG_IGN ) != SIG_IGN ) |
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67 | signal( SIGTERM, fatal_signal ); |
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68 | #ifdef SIGPIPE |
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69 | if ( signal( SIGPIPE, SIG_IGN ) != SIG_IGN ) |
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70 | signal( SIGPIPE, fatal_signal ); |
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71 | #endif |
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72 | #ifdef SIGCHLD |
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73 | signal( SIGCHLD, SIG_DFL ); |
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74 | #endif |
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75 | } |
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76 | |
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77 | int main( |
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78 | int argc, |
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79 | char** argv |
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80 | ) |
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81 | { |
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82 | int opt; |
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83 | Trace::TraceReaderLogQEMU log; |
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84 | Trace::TraceWriterQEMU trace; |
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85 | const char *cpuname = ""; |
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86 | const char *executable = ""; |
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87 | const char *tracefile = ""; |
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88 | const char *logname = "/tmp/qemu.log"; |
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89 | Coverage::ExecutableInfo* executableInfo; |
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90 | rld::process::tempfile objdumpFile( ".dmp" ); |
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91 | rld::process::tempfile err( ".err" ); |
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92 | |
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93 | setup_signals(); |
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94 | |
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95 | // |
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96 | // Process command line options. |
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97 | // |
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98 | progname = argv[0]; |
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99 | |
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100 | while ((opt = getopt(argc, argv, "c:e:l:L:t:v")) != -1) { |
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101 | switch (opt) { |
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102 | case 'c': cpuname = optarg; break; |
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103 | case 'e': executable = optarg; break; |
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104 | case 'l': logname = optarg; break; |
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105 | case 'L': dynamicLibrary = optarg; break; |
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106 | case 't': tracefile = optarg; break; |
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107 | case 'v': Verbose = true; break; |
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108 | default: usage(); |
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109 | } |
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110 | } |
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111 | |
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112 | // Make sure we have all the required parameters |
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113 | if ( !cpuname ) { |
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114 | fprintf( stderr, "cpuname not specified\n" ); |
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115 | usage(); |
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116 | } |
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117 | |
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118 | if ( !executable ) { |
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119 | fprintf( stderr, "executable not specified\n" ); |
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120 | usage(); |
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121 | } |
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122 | |
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123 | if ( !tracefile ) { |
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124 | fprintf( stderr, "output trace file not specified\n" ); |
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125 | usage(); |
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126 | } |
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127 | |
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128 | // Create toolnames. |
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129 | TargetInfo = Target::TargetFactory( cpuname ); |
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130 | |
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131 | if (dynamicLibrary) |
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132 | executableInfo = new Coverage::ExecutableInfo( executable, dynamicLibrary ); |
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133 | else |
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134 | executableInfo = new Coverage::ExecutableInfo( executable ); |
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135 | |
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136 | objdumpProcessor = new Coverage::ObjdumpProcessor(); |
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137 | |
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138 | // If a dynamic library was specified, determine the load address. |
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139 | if (dynamicLibrary) |
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140 | executableInfo->setLoadAddress( |
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141 | objdumpProcessor->determineLoadAddress( executableInfo ) |
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142 | ); |
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143 | objdumpProcessor->loadAddressTable( executableInfo, objdumpFile, err ); |
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144 | log.processFile( logname ); |
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145 | trace.writeFile( tracefile, &log ); |
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146 | } |
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