mono/mini/mini-windows.c

   1 /*
   2  * mini-posix.c: POSIX signal handling support for Mono.
   3  *
   4  * Authors:
   5  *   Mono Team (mono-list@lists.ximian.com)
   6  *
   7  * Copyright 2001-2003 Ximian, Inc.
   8  * Copyright 2003-2008 Ximian, Inc.
   9  *
  10  * See LICENSE for licensing information.
  11  */
  12 #include <config.h>
  13 #include <signal.h>
  14 #include <math.h>
  15
  16 #include <mono/metadata/assembly.h>
  17 #include <mono/metadata/loader.h>
  18 #include <mono/metadata/tabledefs.h>
  19 #include <mono/metadata/class.h>
  20 #include <mono/metadata/object.h>
  21 #include <mono/metadata/tokentype.h>
  22 #include <mono/metadata/tabledefs.h>
  23 #include <mono/metadata/threads.h>
  24 #include <mono/metadata/appdomain.h>
  25 #include <mono/metadata/debug-helpers.h>
  26 #include <mono/io-layer/io-layer.h>
  27 #include "mono/metadata/profiler.h"
  28 #include <mono/metadata/profiler-private.h>
  29 #include <mono/metadata/mono-config.h>
  30 #include <mono/metadata/environment.h>
  31 #include <mono/metadata/mono-debug.h>
  32 #include <mono/metadata/gc-internal.h>
  33 #include <mono/metadata/threads-types.h>
  34 #include <mono/metadata/verify.h>
  35 #include <mono/metadata/verify-internals.h>
  36 #include <mono/metadata/mempool-internals.h>
  37 #include <mono/metadata/attach.h>
  38 #include <mono/utils/mono-math.h>
  39 #include <mono/utils/mono-compiler.h>
  40 #include <mono/utils/mono-counters.h>
  41 #include <mono/utils/mono-logger.h>
  42 #include <mono/utils/mono-mmap.h>
  43 #include <mono/utils/dtrace.h>
  44
  45 #include "mini.h"
  46 #include <string.h>
  47 #include <ctype.h>
  48 #include "trace.h"
  49 #include "version.h"
  50
  51 #include "jit-icalls.h"
  52
  53 void
  54 mono_runtime_install_handlers (void)
  55 {
  56         win32_seh_init();
  57         win32_seh_set_handler(SIGFPE, mono_sigfpe_signal_handler);
  58         win32_seh_set_handler(SIGILL, mono_sigill_signal_handler);
  59         win32_seh_set_handler(SIGSEGV, mono_sigsegv_signal_handler);
  60         if (mini_get_debug_options ()->handle_sigint)
  61                 win32_seh_set_handler(SIGINT, mono_sigint_signal_handler);
  62 }
  63
  64 void
  65 mono_runtime_cleanup_handlers (void)
  66 {
  67         win32_seh_cleanup();
  68 }
  69
  70 gboolean
  71 SIG_HANDLER_SIGNATURE (mono_chain_signal)
  72 {
  73         return FALSE;
  74 }
  75
  76 static HANDLE win32_main_thread;
  77 static MMRESULT win32_timer;
  78
  79 static void CALLBACK
  80 win32_time_proc (UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
  81 {
  82         CONTEXT context;
  83
  84         context.ContextFlags = CONTEXT_CONTROL;
  85         if (GetThreadContext (win32_main_thread, &context)) {
  86 #ifdef _WIN64
  87                 mono_profiler_stat_hit ((guchar *) context.Rip, &context);
  88 #else
  89                 mono_profiler_stat_hit ((guchar *) context.Eip, &context);
  90 #endif
  91         }
  92 }
  93
  94 void
  95 mono_runtime_setup_stat_profiler (void)
  96 {
  97         static int inited = 0;
  98         TIMECAPS timecaps;
  99
 100         if (inited)
 101                 return;
 102
 103         inited = 1;
 104         if (timeGetDevCaps (&timecaps, sizeof (timecaps)) != TIMERR_NOERROR)
 105                 return;
 106
 107         if ((win32_main_thread = OpenThread (READ_CONTROL | THREAD_GET_CONTEXT, FALSE, GetCurrentThreadId ())) == NULL)
 108                 return;
 109
 110         if (timeBeginPeriod (1) != TIMERR_NOERROR)
 111                 return;
 112
 113         if ((win32_timer = timeSetEvent (1, 0, win32_time_proc, 0, TIME_PERIODIC)) == 0) {
 114                 timeEndPeriod (1);
 115                 return;
 116         }
 117 }
 118
 119 void
 120 mono_runtime_shutdown_stat_profiler (void)
 121 {
 122 }