| |
| <?php |
|
|
| $rootDir = dirname(__DIR__, 2); |
| $mainDir = sprintf('%s/main', $rootDir); |
| $outputFile = sprintf('%s/debug_gdb_scripts.c', $mainDir); |
|
|
| printf("Generating %s\n", $outputFile); |
|
|
| $gdbscript = file_get_contents(sprintf("%s/.gdbinit", $rootDir)); |
| $pyscript = file_get_contents(sprintf("%s/php_gdb.py", __DIR__)); |
|
|
| |
| $pyscript = sprintf( |
| "gdb.execute('''\n%s\n''')\n%s", |
| addcslashes($gdbscript, '\'\\'), |
| $pyscript, |
| ); |
|
|
| $ccode = sprintf( |
| <<<'C' |
| /* |
| * Generated by %s. |
| * |
| * This inlines .gdbinit and php_gdb.py into the .debug_gdb_scripts |
| * section of the binary, so that they can be found by gdb. |
| * |
| * See https://sourceware.org/gdb/current/onlinedocs/gdb.html/dotdebug_005fgdb_005fscripts-section.html#dotdebug_005fgdb_005fscripts-section |
| */ |
| asm( |
| ".pushsection \".debug_gdb_scripts\", \"MS\",%%progbits,1\n" |
| ".byte 4 /* Python Text */\n" |
| ".ascii \"gdb.inlined-script\\n\"\n" |
| %s |
| ".byte 0\n" |
| ".popsection\n" |
| ); |
| |
| C, |
| basename(__FILE__), |
| implode("\n ", array_map(function ($line) { |
| $escapedPy = addcslashes($line."\n", "\"\n\\"); |
| $escapedAsm = addcslashes(sprintf(".ascii \"%s\"\n", $escapedPy), "\"\n\\?"); |
| return sprintf('"%s"', $escapedAsm); |
| }, explode("\n", $pyscript))), |
| ); |
|
|
| $len = file_put_contents($outputFile, $ccode); |
|
|
| if ($len !== strlen($ccode)) { |
| printf("Failed\n"); |
| exit(1); |
| } |
|
|
