[PHP]hello worldã®å†…部的ãªæŒ™å‹•ã‚’追ã£ã¦ã¿ãŸ · DQNEO日記今回もEmacsã®gdb機能を使ã£ã¦èª¿æŸ»ã—ã¾ã—ãŸã€‚ PHPã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’コンパイルã—ãŸå¾Œã«ã€ M-x gdb Run gdb (like this): gdb -i=mi ./sapi/cli/php main関数ã«ãƒ–レークãƒã‚¤ãƒ³ãƒˆã‚’ã—ã‹ã‘㦠(gdb) b main ワンライナーã§PHPコードを実行 (gdb) run -r 'echo "hello"' ã“ã®å¾Œã²ãŸã™ã‚‰step実行を続ã‘ã¦ã€ãã‚Œã£ã½ã„ã¨ã“ã‚ã¾ã§ããŸã‚‰backtrace (gdb) bt #0 sapi_flush () at /home/vagrant/src/php-src/main/SAPI.c:994 #1 0x000000000075f232 in php_output_op (op=0, str=0x7ffff7ed0d20 "hello", len=5) at /home/vagrant/src/php-s
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