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newlib-cygwin
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* autoload.cc (std_dll_init): Save and restore fpu control register around 

LoadAddress to prevent loaded dlls (like msvcrt.dll) from setting unwanted
stuff.
This commit is contained in:
Christopher Faylor 2005-03-03 00:49:53 +00:00
parent 55b670024c
commit 608b0ce960
2 changed files with 12 additions and 2 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2005-03-02 Christopher Faylor <cgf@timesys.com>
* autoload.cc (std_dll_init): Save and restore fpu control register
around LoadAddress to prevent loaded dlls (like msvcrt.dll) from
setting unwanted stuff.
2005-03-02 Christopher Faylor <cgf@timesys.com>
* cygtls.cc (_cygtls::init_thread): Move exitsock setting later. It

8
winsup/cygwin/autoload.cc
View File

@ -208,8 +208,13 @@ std_dll_init ()
while (InterlockedIncrement (&dll->here));
else if (!dll->handle)
{
unsigned fpu_control = 0;
__asm__ __volatile__ ("fnstcw %0": "=m" (fpu_control));
if ((h = LoadLibrary (dll->name)) != NULL)
dll->handle = h;
{
__asm__ __volatile__ ("fldcw %0": : "m" (fpu_control));
dll->handle = h;
}
else if (!(func->decoration & 1))
api_fatal ("could not load %s, %E", dll->name);
else
@ -256,7 +261,6 @@ wsock_init ()
if (!wsock_started)
{
/* Don't use autoload to load WSAStartup to eliminate recursion. */
int (*wsastartup) (int, WSADATA *);
wsastartup = (int (*)(int, WSADATA *))