static void *
dbgmalloc_realloc_hook(void *ptr, size_t size, const void *caller)
{
void *r;
install_old_hook();
r = realloc(ptr, size);
open_logfile();
if (ptr) fprintf(logfile, "F %p 0 : ", ptr);
show_stack_trace();
if (r) fprintf(logfile, "M %p %zu : ", r, size);
show_stack_trace();
install_our_hook();
return r;
}
/* We need the heap_size argument because the heap size is not up to date when
* we call this function from constrained_sbrk() or constrained_mmap().
*/
static void show_mem_info(int heap_size)
{
if ( g_show_mem_info == 0 )
return;
if ( g_show_mem_info == -1)
{
g_show_mem_info = getenv("OPERA_SHOW_MEM_INFO") ? 1 : 0;
if ( g_show_mem_info == 0 )
return;
}
mstate av = get_malloc_state();
if ( heap_size == 0 )
{
heap_size = av->mmapped_mem + av->sbrked_mem;
}
fprintf(stderr, "Heap size is %d\n", heap_size);
fprintf(stderr, "Opera allocated memory is %d\n", g_constrain_allocated_mem);
#ifdef STACK_TRACE_SUPPORT
if ( g_show_mem_info_stack == 0 )
return;
if (g_show_mem_info_stack == -1)
{
g_show_mem_info_stack = getenv("OPERA_SHOW_MEM_INFO_STACK") ? 1 : 0;
if ( g_show_mem_info_stack == 0 )
return;
}
if ( heap_size > get_heap_limit() )
{
fprintf(stderr,"Exceeded heap limit at:\n");
show_stack_trace(15,0);
}
if ( heap_size == 0 && g_constrain_allocated_mem > get_alloc_limit() )
{
fprintf(stderr,"Exceeded alloc limit at:\n");
show_stack_trace(15,0);
}
#endif
}
static void
dbgmalloc_free_hook(void *ptr, const void *caller)
{
install_old_hook();
free(ptr);
open_logfile();
if (ptr) fprintf(logfile, "F %p 0 : ", ptr);
show_stack_trace();
install_our_hook();
}
static void *
dbgmalloc_memalign_hook(size_t size, size_t algn, const void *caller)
{
void *r;
install_old_hook();
r = memalign(size, algn);
open_logfile();
if (r) fprintf(logfile, "M %p %zu : ", r, size);
show_stack_trace();
install_our_hook();
return r;
}
static void log_alloc(void* addr)
{
if ( addr == NULL )
{
#ifdef STACK_TRACE_SUPPORT
if ( g_log_oom == 0 )
return;
if (g_log_oom == -1)
{
g_log_oom = getenv("OPERA_LOG_OOM") ? 1 : 0;
if ( g_log_oom == 0 )
return;
}
fprintf(stderr,"OOM at:\n");
show_stack_trace(15,0);
#endif // STACK_TRACE_SUPPORT
g_log_alloc_counter++; /* A place to put a breakpoint. Do something so the code isn't optimized away. */
}
}
static void graphite_signal_handler(int sig) {
Logger::err("SignalHandler") << "Caught " << sig << std::endl ;
show_stack_trace() ;
abort() ;
}
