3 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 FILE *g_debugstreams[DEBUGSTREAM_COUNT] = {stderr, NULL};
31 void debugstreams_init(bool disable_stderr, const char *filename)
34 g_debugstreams[0] = NULL;
36 g_debugstreams[0] = stderr;
39 g_debugstreams[1] = fopen(filename, "a");
43 fprintf(g_debugstreams[1], "\n\n-------------\n");
44 fprintf(g_debugstreams[1], " Separator \n");
45 fprintf(g_debugstreams[1], "-------------\n\n");
49 void debugstreams_deinit()
51 if(g_debugstreams[1] != NULL)
52 fclose(g_debugstreams[1]);
55 Debugbuf debugbuf(false);
56 std::ostream dstream(&debugbuf);
57 Debugbuf debugbuf_no_stderr(true);
58 std::ostream dstream_no_stderr(&debugbuf_no_stderr);
65 void assert_fail(const char *assertion, const char *file,
66 unsigned int line, const char *function)
68 DEBUGPRINT("\nIn thread %lx:\n"
69 "%s:%d: %s: Assertion '%s' failed.\n",
70 (unsigned long)get_current_thread_id(),
71 file, line, function, assertion);
76 fclose(g_debugstreams[1]);
85 DebugStack::DebugStack(threadid_t id)
90 memset(stack, 0, DEBUG_STACK_SIZE*DEBUG_STACK_TEXT_SIZE);
93 void DebugStack::print(FILE *file, bool everything)
95 fprintf(file, "DEBUG STACK FOR THREAD %lx:\n",
96 (unsigned long)threadid);
98 for(int i=0; i<stack_max_i; i++)
100 if(i == stack_i && everything == false)
104 fprintf(file, "#%d %s\n", i, stack[i]);
106 fprintf(file, "(Leftover data: #%d %s)\n", i, stack[i]);
109 if(stack_i == DEBUG_STACK_SIZE)
110 fprintf(file, "Probably overflown.\n");
113 void DebugStack::print(std::ostream &os, bool everything)
115 os<<"DEBUG STACK FOR THREAD "<<(unsigned long)threadid<<": "<<std::endl;
117 for(int i=0; i<stack_max_i; i++)
119 if(i == stack_i && everything == false)
123 os<<"#"<<i<<" "<<stack[i]<<std::endl;
125 os<<"(Leftover data: #"<<i<<" "<<stack[i]<<")"<<std::endl;
128 if(stack_i == DEBUG_STACK_SIZE)
129 os<<"Probably overflown."<<std::endl;
132 core::map<threadid_t, DebugStack*> g_debug_stacks;
133 JMutex g_debug_stacks_mutex;
135 void debug_stacks_init()
137 g_debug_stacks_mutex.Init();
140 void debug_stacks_print_to(std::ostream &os)
142 JMutexAutoLock lock(g_debug_stacks_mutex);
144 os<<"Debug stacks:"<<std::endl;
146 for(core::map<threadid_t, DebugStack*>::Iterator
147 i = g_debug_stacks.getIterator();
148 i.atEnd() == false; i++)
150 DebugStack *stack = i.getNode()->getValue();
151 stack->print(os, false);
155 void debug_stacks_print()
157 JMutexAutoLock lock(g_debug_stacks_mutex);
159 DEBUGPRINT("Debug stacks:\n");
161 for(core::map<threadid_t, DebugStack*>::Iterator
162 i = g_debug_stacks.getIterator();
163 i.atEnd() == false; i++)
165 DebugStack *stack = i.getNode()->getValue();
167 for(int i=0; i<DEBUGSTREAM_COUNT; i++)
169 if(g_debugstreams[i] != NULL)
170 stack->print(g_debugstreams[i], true);
175 DebugStacker::DebugStacker(const char *text)
177 threadid_t threadid = get_current_thread_id();
179 JMutexAutoLock lock(g_debug_stacks_mutex);
181 core::map<threadid_t, DebugStack*>::Node *n;
182 n = g_debug_stacks.find(threadid);
185 m_stack = n->getValue();
189 /*DEBUGPRINT("Creating new debug stack for thread %x\n",
190 (unsigned int)threadid);*/
191 m_stack = new DebugStack(threadid);
192 g_debug_stacks.insert(threadid, m_stack);
195 if(m_stack->stack_i >= DEBUG_STACK_SIZE)
201 m_overflowed = false;
203 snprintf(m_stack->stack[m_stack->stack_i],
204 DEBUG_STACK_TEXT_SIZE, "%s", text);
206 if(m_stack->stack_i > m_stack->stack_max_i)
207 m_stack->stack_max_i = m_stack->stack_i;
211 DebugStacker::~DebugStacker()
213 JMutexAutoLock lock(g_debug_stacks_mutex);
215 if(m_overflowed == true)
220 if(m_stack->stack_i == 0)
222 threadid_t threadid = m_stack->threadid;
223 /*DEBUGPRINT("Deleting debug stack for thread %x\n",
224 (unsigned int)threadid);*/
226 g_debug_stacks.remove(threadid);
232 #if CATCH_UNHANDLED_EXCEPTIONS == 1
233 void se_trans_func(unsigned int u, EXCEPTION_POINTERS* pExp)
235 dstream<<"In trans_func.\n";
236 if(u == EXCEPTION_ACCESS_VIOLATION)
238 PEXCEPTION_RECORD r = pExp->ExceptionRecord;
239 dstream<<"Access violation at "<<r->ExceptionAddress
240 <<" write?="<<r->ExceptionInformation[0]
241 <<" address="<<r->ExceptionInformation[1]
243 throw FatalSystemException
244 ("Access violation");
246 if(u == EXCEPTION_STACK_OVERFLOW)
248 throw FatalSystemException
251 if(u == EXCEPTION_ILLEGAL_INSTRUCTION)
253 throw FatalSystemException
254 ("Illegal instruction");