+++ /dev/null
-// win32.cc - Helper functions for Microsoft-flavored OSs.
-
-/* Copyright (C) 2002 Free Software Foundation
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-#include <config.h>
-#include <jvm.h>
-#include <sys/timeb.h>
-#include <stdlib.h>
-
-#include "platform.h"
-#include <java/lang/ArithmeticException.h>
-#include <java/util/Properties.h>
-
-static LONG CALLBACK
-win32_exception_handler (LPEXCEPTION_POINTERS e)
-{
- if (e->ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION)
- _Jv_ThrowNullPointerException();
- else if (e->ExceptionRecord->ExceptionCode == EXCEPTION_INT_DIVIDE_BY_ZERO)
- throw new java::lang::ArithmeticException;
- else
- return EXCEPTION_CONTINUE_SEARCH;
-}
-
-// Platform-specific VM initialization.
-void
-_Jv_platform_initialize (void)
-{
- // Initialise winsock for networking
- WSADATA data;
- if (WSAStartup (MAKEWORD (1, 1), &data))
- MessageBox (NULL, "Error initialising winsock library.", "Error",
- MB_OK | MB_ICONEXCLAMATION);
- // Install exception handler
- SetUnhandledExceptionFilter (win32_exception_handler);
-}
-
-// gettimeofday implementation.
-jlong
-_Jv_platform_gettimeofday ()
-{
- struct timeb t;
- ftime (&t);
- return t.time * 1000LL + t.millitm;
-}
-
-// The following definitions "fake out" mingw to think that -mthreads
-// was enabled and that mingwthr.dll was linked. GCJ-compiled
-// applications don't need this helper library because we can safely
-// detect thread death (return from Thread.run()).
-
-int _CRT_MT = 1;
-
-extern "C" int
-__mingwthr_key_dtor (DWORD, void (*) (void *))
-{
- // FIXME: for now we do nothing; this causes a memory leak of
- // approximately 24 bytes per thread created.
- return 0;
-}
-
-// Set platform-specific System properties.
-void
-_Jv_platform_initProperties (java::util::Properties* newprops)
-{
- // A convenience define.
-#define SET(Prop,Val) \
- newprops->put(JvNewStringLatin1 (Prop), JvNewStringLatin1 (Val))
-
- SET ("file.separator", "\\");
- SET ("path.separator", ";");
- SET ("line.separator", "\r\n");
-
- // Use GetCurrentDirectory to set 'user.dir'.
- DWORD buflen = MAX_PATH;
- char *buffer = (char *) _Jv_MallocUnchecked (buflen);
- if (buffer != NULL)
- {
- if (GetCurrentDirectory (buflen, buffer))
- SET ("user.dir", buffer);
-
- if (GetTempPath (buflen, buffer))
- SET ("java.io.tmpdir", buffer);
-
- _Jv_Free (buffer);
- }
-
- // Use GetUserName to set 'user.name'.
- buflen = 257; // UNLEN + 1
- buffer = (char *) _Jv_MallocUnchecked (buflen);
- if (buffer != NULL)
- {
- if (GetUserName (buffer, &buflen))
- SET ("user.name", buffer);
- _Jv_Free (buffer);
- }
-
- // According to the api documentation for 'GetWindowsDirectory()', the
- // environmental variable HOMEPATH always specifies the user's home
- // directory or a default directory. On the 3 windows machines I checked
- // only 1 had it set. If it's not set, JDK1.3.1 seems to set it to
- // the windows directory, so we'll do the same.
- char *userHome = NULL;
- if ((userHome = ::getenv ("HOMEPATH")) == NULL )
- {
- // Check HOME since it's what I use.
- if ((userHome = ::getenv ("HOME")) == NULL )
- {
- // Not found - use the windows directory like JDK1.3.1 does.
- char *winHome = (char *) _Jv_MallocUnchecked (MAX_PATH);
- if (winHome != NULL)
- {
- if (GetWindowsDirectory (winHome, MAX_PATH))
- SET ("user.home", winHome);
- _Jv_Free (winHome);
- }
- }
- }
- if (userHome != NULL)
- SET ("user.home", userHome);
-
- // Get and set some OS info.
- OSVERSIONINFO osvi;
- ZeroMemory (&osvi, sizeof(OSVERSIONINFO));
- osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- if (GetVersionEx (&osvi))
- {
- char *buffer = (char *) _Jv_MallocUnchecked (30);
- if (buffer != NULL)
- {
- sprintf (buffer, "%d.%d", (int) osvi.dwMajorVersion,
- (int) osvi.dwMinorVersion);
- SET ("os.version", buffer);
- _Jv_Free (buffer);
- }
-
- switch (osvi.dwPlatformId)
- {
- case VER_PLATFORM_WIN32_WINDOWS:
- if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
- SET ("os.name", "Windows 95");
- else if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
- SET ("os.name", "Windows 98");
- else if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
- SET ("os.name", "Windows Me");
- else
- SET ("os.name", "Windows ??");
- break;
-
- case VER_PLATFORM_WIN32_NT:
- if (osvi.dwMajorVersion <= 4 )
- SET ("os.name", "Windows NT");
- else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
- SET ("os.name", "Windows 2000");
- else if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
- SET ("os.name", "Windows XP");
- else
- SET ("os.name", "Windows NT ??");
- break;
-
- default:
- SET ("os.name", "Windows UNKNOWN");
- break;
- }
- }
-
- // Set the OS architecture.
- SYSTEM_INFO si;
- GetSystemInfo (&si);
- switch (si.dwProcessorType)
- {
- case PROCESSOR_INTEL_386:
- SET ("os.arch", "i386");
- break;
- case PROCESSOR_INTEL_486:
- SET ("os.arch", "i486");
- break;
- case PROCESSOR_INTEL_PENTIUM:
- SET ("os.arch", "i586");
- break;
- case PROCESSOR_MIPS_R4000:
- SET ("os.arch", "MIPS4000");
- break;
- case PROCESSOR_ALPHA_21064:
- SET ("os.arch", "ALPHA");
- break;
- default:
- SET ("os.arch", "unknown");
- break;
- }
-}
-
-/* Store up to SIZE return address of the current program state in
- ARRAY and return the exact number of values stored. */
-int
-backtrace (void **__array, int __size)
-{
- register void *_ebp __asm__ ("ebp");
- register void *_esp __asm__ ("esp");
- unsigned int *rfp;
-
- int i=0;
- for (rfp = *(unsigned int**)_ebp;
- rfp && i < __size;
- rfp = *(unsigned int **)rfp)
- {
- int diff = *rfp - (unsigned int)rfp;
- if ((void*)rfp < _esp || diff > 4 * 1024 || diff < 0) break;
-
- __array[i++] = (void*)(rfp[1]-4);
- }
- return i;
-}
projects / msp430-gcc.git / blobdiff