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trace_computerized.c
/* +----------------------------------------------------------------------+ | Xdebug | +----------------------------------------------------------------------+ | Copyright (c) 2002-2021 Derick Rethans | +----------------------------------------------------------------------+ | This source file is subject to version 1.01 of the Xdebug license, | | that is bundled with this package in the file LICENSE, and is | | available at through the world-wide-web at | | https://xdebug.org/license.php | | If you did not receive a copy of the Xdebug license and are unable | | to obtain it through the world-wide-web, please send a note to | | derick@xdebug.org so we can mail you a copy immediately. | +----------------------------------------------------------------------+ */ #include "php.h" #include "ext/standard/php_string.h" #include "php_xdebug.h" #include "tracing_private.h" #include "trace_computerized.h" #include "lib/lib_private.h" #include "lib/var_export_line.h" extern ZEND_DECLARE_MODULE_GLOBALS(xdebug); void *xdebug_trace_computerized_init(char *fname, zend_string *script_filename, long options) { xdebug_trace_computerized_context *tmp_computerized_context; tmp_computerized_context = xdmalloc(sizeof(xdebug_trace_computerized_context)); tmp_computerized_context->trace_file = xdebug_trace_open_file(fname, script_filename, options); if (!tmp_computerized_context->trace_file) { xdfree(tmp_computerized_context); return NULL; } return tmp_computerized_context; } void xdebug_trace_computerized_deinit(void *ctxt) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; xdebug_file_close(context->trace_file); xdebug_file_dtor(context->trace_file); context->trace_file = NULL; xdfree(context); } void xdebug_trace_computerized_write_header(void *ctxt) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; char *str_time; xdebug_file_printf(context->trace_file, "Version: %s\n", XDEBUG_VERSION); xdebug_file_printf(context->trace_file, "File format: 4\n"); str_time = xdebug_nanotime_to_chars(xdebug_get_nanotime(), 6); xdebug_file_printf(context->trace_file, "TRACE START [%s]\n", str_time); xdfree(str_time); xdebug_file_flush(context->trace_file); } void xdebug_trace_computerized_write_footer(void *ctxt) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; char *str_time; uint64_t nanotime; nanotime = xdebug_get_nanotime(); xdebug_file_printf(context->trace_file, "\t\t\t%F\t", XDEBUG_SECONDS_SINCE_START(nanotime)); xdebug_file_printf(context->trace_file, "%zu", zend_memory_usage(0)); xdebug_file_printf(context->trace_file, "\n"); str_time = xdebug_nanotime_to_chars(xdebug_get_nanotime(), 6); xdebug_file_printf(context->trace_file, "TRACE END [%s]\n\n", str_time); xdfree(str_time); xdebug_file_flush(context->trace_file); } char *xdebug_trace_computerized_get_filename(void *ctxt) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; return context->trace_file->name; } static void add_single_value(xdebug_str *str, zval *zv) { xdebug_str *tmp_value = NULL; tmp_value = xdebug_get_zval_value_line(zv, 0, NULL); if (tmp_value) { xdebug_str_add_str(str, tmp_value); xdebug_str_free(tmp_value); } else { xdebug_str_add_literal(str, "???"); } } static void add_arguments(xdebug_str *line_entry, function_stack_entry *fse) { unsigned int j = 0; /* Counter */ int sent_variables = fse->varc; if (sent_variables > 0 && fse->var[sent_variables-1].is_variadic && Z_ISUNDEF(fse->var[sent_variables-1].data)) { sent_variables--; } /* Nr of arguments (11) */ xdebug_str_add_fmt(line_entry, "\t%d", sent_variables); /* Arguments (12-...) */ for (j = 0; j < sent_variables; j++) { xdebug_str_addc(line_entry, '\t'); if (!Z_ISUNDEF(fse->var[j].data)) { add_single_value(line_entry, &(fse->var[j].data)); } else { xdebug_str_add_literal(line_entry, "???"); } } } void xdebug_trace_computerized_function_entry(void *ctxt, function_stack_entry *fse, int function_nr) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; char *tmp_name; xdebug_str str = XDEBUG_STR_INITIALIZER; xdebug_str_add_fmt(&str, "%d\t", fse->level); xdebug_str_add_fmt(&str, "%d\t", function_nr); tmp_name = xdebug_show_fname(fse->function, XDEBUG_SHOW_FNAME_DEFAULT); xdebug_str_add_literal(&str, "0\t"); xdebug_str_add_fmt(&str, "%F\t", XDEBUG_SECONDS_SINCE_START(fse->nanotime)); xdebug_str_add_fmt(&str, "%lu\t", fse->memory); xdebug_str_add_fmt(&str, "%s\t", tmp_name); if (fse->user_defined == XDEBUG_USER_DEFINED) { xdebug_str_add_literal(&str, "1\t"); } else { xdebug_str_add_literal(&str, "0\t"); } xdfree(tmp_name); if (fse->include_filename) { if (fse->function.type == XFUNC_EVAL) { zend_string *escaped; #if PHP_VERSION_ID >= 70300 escaped = php_addcslashes(fse->include_filename, (char*) "'\\\0..\37", 6); #else escaped = php_addcslashes(fse->include_filename, 0, (char*) "'\\\0..\37", 6); #endif xdebug_str_addc(&str, '\''); xdebug_str_add_zstr(&str, escaped); xdebug_str_addc(&str, '\''); zend_string_release(escaped); } else { xdebug_str_add_zstr(&str, fse->include_filename); } } /* Filename and Lineno (9, 10) */ xdebug_str_add_fmt(&str, "\t%s\t%d", ZSTR_VAL(fse->filename), fse->lineno); add_arguments(&str, fse); /* Trailing \n */ xdebug_str_addc(&str, '\n'); xdebug_file_printf(context->trace_file, "%s", str.d); xdebug_file_flush(context->trace_file); xdfree(str.d); } void xdebug_trace_computerized_function_exit(void *ctxt, function_stack_entry *fse, int function_nr) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; xdebug_str str = XDEBUG_STR_INITIALIZER; xdebug_str_add_fmt(&str, "%d\t", fse->level); xdebug_str_add_fmt(&str, "%d\t", function_nr); xdebug_str_add_literal(&str, "1\t"); xdebug_str_add_fmt(&str, "%F\t", XDEBUG_SECONDS_SINCE_START(xdebug_get_nanotime())); xdebug_str_add_fmt(&str, "%lu\n", zend_memory_usage(0)); xdebug_file_printf(context->trace_file, "%s", str.d); xdebug_file_flush(context->trace_file); xdfree(str.d); } void xdebug_trace_computerized_function_return_value(void *ctxt, function_stack_entry *fse, int function_nr, zval *return_value) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; xdebug_str str = XDEBUG_STR_INITIALIZER; xdebug_str_add_fmt(&str, "%d\t", fse->level); xdebug_str_add_fmt(&str, "%d\t", function_nr); xdebug_str_add_literal(&str, "R\t\t\t"); add_single_value(&str, return_value); xdebug_str_add_literal(&str, "\n"); xdebug_file_printf(context->trace_file, "%s", str.d); xdebug_file_flush(context->trace_file); xdfree(str.d); } void xdebug_trace_computerized_assignment(void *ctxt, function_stack_entry *fse, char *full_varname, zval *retval, char *right_full_varname, const char *op, char *filename, int lineno) { xdebug_trace_computerized_context *context = (xdebug_trace_computerized_context*) ctxt; xdebug_str str = XDEBUG_STR_INITIALIZER; xdebug_str *tmp_value; xdebug_str_add_fmt(&str, "%d\t", fse->level); /* no function_nr */ xdebug_str_add_literal(&str, "\t"); xdebug_str_add_literal(&str, "A\t"); /* skip time index, memory usage, function name, user defined */ xdebug_str_add_literal(&str, "\t\t\t\t"); /* Filename and Lineno (9, 10) */ xdebug_str_add_fmt(&str, "\t%s\t%d", filename, lineno); xdebug_str_add_fmt(&str, "\t%s", full_varname); if (op[0] != '\0' ) { /* pre/post inc/dec ops are special */ xdebug_str_addc(&str, ' '); xdebug_str_add(&str, op, 0); xdebug_str_addc(&str, ' '); tmp_value = xdebug_get_zval_value_line(retval, 0, NULL); if (tmp_value) { xdebug_str_add_str(&str, tmp_value); xdebug_str_free(tmp_value); } else { xdebug_str_add_literal(&str, "NULL"); } } /* Trailing \n */ xdebug_str_add_literal(&str, "\n"); xdebug_file_printf(context->trace_file, "%s", str.d); xdebug_file_flush(context->trace_file); xdfree(str.d); } xdebug_trace_handler_t xdebug_trace_handler_computerized = { xdebug_trace_computerized_init, xdebug_trace_computerized_deinit, xdebug_trace_computerized_write_header, xdebug_trace_computerized_write_footer, xdebug_trace_computerized_get_filename, xdebug_trace_computerized_function_entry, xdebug_trace_computerized_function_exit, xdebug_trace_computerized_function_return_value, NULL /* xdebug_trace_computerized_generator_return_value */, xdebug_trace_computerized_assignment };