diff options
| author | Christopher Faylor <me@cgf.cx> | 2005-03-03 03:49:53 +0300 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2005-03-03 03:49:53 +0300 |
| commit | 608b0ce960f564ab86ebe56b6ea24d063169ee8c (patch) | |
| tree | 7595cd7d0b042a77db955d137af7aeff7eba862d | |
| parent | 55b670024ce220b4be27a6f62849aba3204b09f0 (diff) | |
* autoload.cc (std_dll_init): Save and restore fpu control register around
LoadAddress to prevent loaded dlls (like msvcrt.dll) from setting unwanted
stuff.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 6 | ||||
| -rw-r--r-- | winsup/cygwin/autoload.cc | 8 |
2 files changed, 12 insertions, 2 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 3e8218771..302fb5ef0 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,5 +1,11 @@ 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 2005-03-02 Christopher Faylor <cgf@timesys.com> diff --git a/winsup/cygwin/autoload.cc b/winsup/cygwin/autoload.cc index 805b765c1..aef122a2f 100644 --- a/winsup/cygwin/autoload.cc +++ b/winsup/cygwin/autoload.cc @@ -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 *)) |