* Makefile.in (CYGWIN_START): Define as crt0.o. Add to TARGET_LIBS.

	* fhandler.h (fhandler_virtual::fstat): Remove useless declaration.
	* fhandler_virtual.cc: Remove _COMPILING_NEWLIB define.
	* ipc.cc (ftok): Use stat64.
	* syscalls.cc (_fstat64): Remove alias.
	(_fstat): Ditto.
	(_stat): Ditto.
	(_fstat64_r): New function.
	(_fstat_r): Ditto.
	(_stat64_r): Ditto.
	(stat_r): Ditto.
	* crt0.o: New file, moved from newlib.
	* include/sys/param.h: Ditto.
	* include/sys/utime.h: Ditto.
	* include/sys/utmp.h: Ditto.
	* include/sys/dirent.h: Ditto.  Expose different struct dirent,
	dependening of the environment.

1 files changed, 56 insertions, 0 deletions

diff --git a/winsup/cygwin/crt0.c b/winsup/cygwin/crt0.c
new file mode 100644
index 000000000..2837a54d1
--- /dev/null
+++ b/winsup/cygwin/crt0.c
@@ -0,0 +1,56 @@
+/* crt0.c.
+
+   Copyright 2001 Red Hat, Inc.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifdef __PPC__
+/* For the PowerPC, we want to make this function have its structured
+   exception table exception function point to something we control.  */
+
+extern void __cygwin_exception_handler();
+extern void mainCRTStartup(void) __attribute__((__exception__(__cygwin_exception_handler)));
+#endif
+
+/* In the following ifdef'd i386 code, the FPU precision is set to 80 bits
+   and all FPU exceptions are masked.  The former is needed to make long
+   doubles work correctly.  The latter causes the FPU to generate NaNs and
+   Infinities instead of signals for certain operations.
+*/
+
+#ifdef __i386__
+#define FPU_RESERVED 0xF0C0
+#define FPU_DEFAULT  0x033f
+
+/* For debugging on *#!$@ windbg.  bp for breakpoint.  */
+int __cygwin_crt0_bp = 0;
+#endif
+
+extern int main (int argc, char **argv);
+
+void
+mainCRTStartup ()
+{
+#ifdef __i386__
+  if (__cygwin_crt0_bp)
+    asm volatile ("int3");
+
+  {
+    volatile unsigned short cw;
+
+    /* Get Control Word */
+    __asm__ volatile ("fnstcw %0" : "=m" (cw) : );
+
+    /* mask in */
+    cw &= FPU_RESERVED;
+    cw |= FPU_DEFAULT;
+
+    /* set cw */
+    __asm__ volatile ("fldcw %0" :: "m" (cw));
+  }
+#endif
+
+  cygwin_crt0 (main);
+}