/* * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // assertions #ifdef ASSERT // Turn this off by default: //#define USE_REPEATED_ASSERTS #ifdef USE_REPEATED_ASSERTS #define assert(p,msg) \ { for (int __i = 0; __i < AssertRepeat; __i++) { \ if (!(p)) { \ report_assertion_failure(__FILE__, __LINE__, \ "assert(" XSTR(p) ",\"" msg "\")");\ BREAKPOINT; \ } \ } \ } #else #define assert(p,msg) \ if (!(p)) { \ report_assertion_failure(__FILE__, __LINE__, \ "assert(" XSTR(p) ",\"" msg "\")");\ BREAKPOINT; \ } #endif // This version of assert is for use with checking return status from // library calls that return actual error values eg. EINVAL, // ENOMEM etc, rather than returning -1 and setting errno. // When the status is not what is expected it is very useful to know // what status was actually returned, so we pass the status variable as // an extra arg and use strerror to convert it to a meaningful string // like "Invalid argument", "out of memory" etc #define assert_status(p, status, msg) \ do { \ if (!(p)) { \ char buf[128]; \ snprintf(buf, 127, \ "assert_status(" XSTR(p) ", error: %s(%d), \"" msg "\")" , \ strerror((status)), (status)); \ report_assertion_failure(__FILE__, __LINE__, buf); \ BREAKPOINT; \ } \ } while (0) // Another version of assert where the message is not a string literal // The boolean condition is not printed out because cpp doesn't like it. #define assert_msg(p, msg) \ if (!(p)) { \ report_assertion_failure(__FILE__, __LINE__, msg); \ BREAKPOINT; \ } // Do not assert this condition if there's already another error reported. #define assert_if_no_error(cond,msg) assert((cond) || is_error_reported(), msg) #else #define assert(p,msg) #define assert_status(p,status,msg) #define assert_if_no_error(cond,msg) #define assert_msg(cond,msg) #endif // fatals #define fatal(m) { report_fatal(__FILE__, __LINE__, m ); BREAKPOINT; } #define fatal1(m,x1) { report_fatal_vararg(__FILE__, __LINE__, m, x1 ); BREAKPOINT; } #define fatal2(m,x1,x2) { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2 ); BREAKPOINT; } #define fatal3(m,x1,x2,x3) { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2, x3 ); BREAKPOINT; } #define fatal4(m,x1,x2,x3,x4) { report_fatal_vararg(__FILE__, __LINE__, m, x1, x2, x3, x4 ); BREAKPOINT; } // out of memory #define vm_exit_out_of_memory(s,m) { report_vm_out_of_memory(__FILE__, __LINE__, s, m ); BREAKPOINT; } #define vm_exit_out_of_memory1(s,m,x1) { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1 ); BREAKPOINT; } #define vm_exit_out_of_memory2(s,m,x1,x2) { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2 ); BREAKPOINT; } #define vm_exit_out_of_memory3(s,m,x1,x2,x3) { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2, x3 ); BREAKPOINT; } #define vm_exit_out_of_memory4(s,m,x1,x2,x3,x4) { report_vm_out_of_memory_vararg(__FILE__, __LINE__, s, m, x1, x2, x3, x4); BREAKPOINT; } // guarantee is like assert except it's always executed -- use it for // cheap tests that catch errors that would otherwise be hard to find // guarantee is also used for Verify options. #define guarantee(b,msg) { if (!(b)) fatal("guarantee(" XSTR(b) ",\"" msg "\")"); } #define ShouldNotCallThis() { report_should_not_call (__FILE__, __LINE__); BREAKPOINT; } #define ShouldNotReachHere() { report_should_not_reach_here (__FILE__, __LINE__); BREAKPOINT; } #define Unimplemented() { report_unimplemented (__FILE__, __LINE__); BREAKPOINT; } #define Untested(msg) { report_untested (__FILE__, __LINE__, msg); BREAKPOINT; } // error reporting helper functions void report_assertion_failure(const char* file_name, int line_no, const char* message); void report_fatal_vararg(const char* file_name, int line_no, const char* format, ...); void report_fatal(const char* file_name, int line_no, const char* message); void report_vm_out_of_memory_vararg(const char* file_name, int line_no, size_t size, const char* format, ...); void report_vm_out_of_memory(const char* file_name, int line_no, size_t size, const char* message); void report_should_not_call(const char* file_name, int line_no); void report_should_not_reach_here(const char* file_name, int line_no); void report_unimplemented(const char* file_name, int line_no); void report_untested(const char* file_name, int line_no, const char* msg); void warning(const char* format, ...); // out of memory reporting void report_java_out_of_memory(const char* message); // Support for self-destruct bool is_error_reported(); void set_error_reported(); void pd_ps(frame f); void pd_obfuscate_location(char *buf, size_t buflen);