diff options
Diffstat (limited to 'gcc/config/i386')
| -rw-r--r-- | gcc/config/i386/gthr-win32.c | 260 | ||||
| -rw-r--r-- | gcc/config/i386/t-cygming | 5 | ||||
| -rw-r--r-- | gcc/config/i386/t-cygwin | 24 | ||||
| -rw-r--r-- | gcc/config/i386/t-darwin | 3 | ||||
| -rw-r--r-- | gcc/config/i386/t-darwin64 | 6 | ||||
| -rw-r--r-- | gcc/config/i386/t-gthr-win32 | 2 | ||||
| -rw-r--r-- | gcc/config/i386/t-linux64 | 3 | ||||
| -rw-r--r-- | gcc/config/i386/t-mingw-w32 | 3 | ||||
| -rw-r--r-- | gcc/config/i386/t-mingw-w64 | 3 | ||||
| -rw-r--r-- | gcc/config/i386/t-nto | 1 | ||||
| -rw-r--r-- | gcc/config/i386/t-openbsd | 2 |
11 files changed, 0 insertions, 312 deletions
diff --git a/gcc/config/i386/gthr-win32.c b/gcc/config/i386/gthr-win32.c deleted file mode 100644 index 46ecb0d..0000000 --- a/gcc/config/i386/gthr-win32.c +++ /dev/null @@ -1,260 +0,0 @@ -/* Implementation of W32-specific threads compatibility routines for - libgcc2. */ - -/* Copyright (C) 1999, 2000, 2002, 2004, 2008, 2009 Free Software Foundation, Inc. - Contributed by Mumit Khan <khan@xraylith.wisc.edu>. - Modified and moved to separate file by Danny Smith - <dannysmith@users.sourceforge.net>. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -#include <windows.h> -#ifndef __GTHREAD_HIDE_WIN32API -# define __GTHREAD_HIDE_WIN32API 1 -#endif -#undef __GTHREAD_I486_INLINE_LOCK_PRIMITIVES -#define __GTHREAD_I486_INLINE_LOCK_PRIMITIVES -#include <gthr-win32.h> - -/* Windows32 threads specific definitions. The windows32 threading model - does not map well into pthread-inspired gcc's threading model, and so - there are caveats one needs to be aware of. - - 1. The destructor supplied to __gthread_key_create is ignored for - generic x86-win32 ports. This will certainly cause memory leaks - due to unreclaimed eh contexts (sizeof (eh_context) is at least - 24 bytes for x86 currently). - - This memory leak may be significant for long-running applications - that make heavy use of C++ EH. - - However, Mingw runtime (version 0.3 or newer) provides a mechanism - to emulate pthreads key dtors; the runtime provides a special DLL, - linked in if -mthreads option is specified, that runs the dtors in - the reverse order of registration when each thread exits. If - -mthreads option is not given, a stub is linked in instead of the - DLL, which results in memory leak. Other x86-win32 ports can use - the same technique of course to avoid the leak. - - 2. The error codes returned are non-POSIX like, and cast into ints. - This may cause incorrect error return due to truncation values on - hw where sizeof (DWORD) > sizeof (int). - - 3. We are currently using a special mutex instead of the Critical - Sections, since Win9x does not support TryEnterCriticalSection - (while NT does). - - The basic framework should work well enough. In the long term, GCC - needs to use Structured Exception Handling on Windows32. */ - -int -__gthr_win32_once (__gthread_once_t *once, void (*func) (void)) -{ - if (once == NULL || func == NULL) - return EINVAL; - - if (! once->done) - { - if (InterlockedIncrement (&(once->started)) == 0) - { - (*func) (); - once->done = TRUE; - } - else - { - /* Another thread is currently executing the code, so wait for it - to finish; yield the CPU in the meantime. If performance - does become an issue, the solution is to use an Event that - we wait on here (and set above), but that implies a place to - create the event before this routine is called. */ - while (! once->done) - Sleep (0); - } - } - return 0; -} - -/* Windows32 thread local keys don't support destructors; this leads to - leaks, especially in threaded applications making extensive use of - C++ EH. Mingw uses a thread-support DLL to work-around this problem. */ - -int -__gthr_win32_key_create (__gthread_key_t *key, - void (*dtor) (void *) __attribute__((unused))) -{ - int status = 0; - DWORD tls_index = TlsAlloc (); - if (tls_index != 0xFFFFFFFF) - { - *key = tls_index; -#ifdef MINGW32_SUPPORTS_MT_EH - /* Mingw runtime will run the dtors in reverse order for each thread - when the thread exits. */ - status = __mingwthr_key_dtor (*key, dtor); -#endif - } - else - status = (int) GetLastError (); - return status; -} - -int -__gthr_win32_key_delete (__gthread_key_t key) -{ - return (TlsFree (key) != 0) ? 0 : (int) GetLastError (); -} - -void * -__gthr_win32_getspecific (__gthread_key_t key) -{ - DWORD lasterror; - void *ptr; - lasterror = GetLastError(); - ptr = TlsGetValue(key); - SetLastError( lasterror ); - return ptr; -} - -int -__gthr_win32_setspecific (__gthread_key_t key, const void *ptr) -{ - if (TlsSetValue (key, CONST_CAST2(void *, const void *, ptr)) != 0) - return 0; - else - return GetLastError (); -} - -void -__gthr_win32_mutex_init_function (__gthread_mutex_t *mutex) -{ - mutex->counter = -1; - mutex->sema = CreateSemaphore (NULL, 0, 65535, NULL); -} - -void -__gthr_win32_mutex_destroy (__gthread_mutex_t *mutex) -{ - CloseHandle ((HANDLE) mutex->sema); -} - -int -__gthr_win32_mutex_lock (__gthread_mutex_t *mutex) -{ - if (InterlockedIncrement (&mutex->counter) == 0 || - WaitForSingleObject (mutex->sema, INFINITE) == WAIT_OBJECT_0) - return 0; - else - { - /* WaitForSingleObject returns WAIT_FAILED, and we can only do - some best-effort cleanup here. */ - InterlockedDecrement (&mutex->counter); - return 1; - } -} - -int -__gthr_win32_mutex_trylock (__gthread_mutex_t *mutex) -{ - if (__GTHR_W32_InterlockedCompareExchange (&mutex->counter, 0, -1) < 0) - return 0; - else - return 1; -} - -int -__gthr_win32_mutex_unlock (__gthread_mutex_t *mutex) -{ - if (InterlockedDecrement (&mutex->counter) >= 0) - return ReleaseSemaphore (mutex->sema, 1, NULL) ? 0 : 1; - else - return 0; -} - -void -__gthr_win32_recursive_mutex_init_function (__gthread_recursive_mutex_t *mutex) -{ - mutex->counter = -1; - mutex->depth = 0; - mutex->owner = 0; - mutex->sema = CreateSemaphore (NULL, 0, 65535, NULL); -} - -int -__gthr_win32_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex) -{ - DWORD me = GetCurrentThreadId(); - if (InterlockedIncrement (&mutex->counter) == 0) - { - mutex->depth = 1; - mutex->owner = me; - } - else if (mutex->owner == me) - { - InterlockedDecrement (&mutex->counter); - ++(mutex->depth); - } - else if (WaitForSingleObject (mutex->sema, INFINITE) == WAIT_OBJECT_0) - { - mutex->depth = 1; - mutex->owner = me; - } - else - { - /* WaitForSingleObject returns WAIT_FAILED, and we can only do - some best-effort cleanup here. */ - InterlockedDecrement (&mutex->counter); - return 1; - } - return 0; -} - -int -__gthr_win32_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex) -{ - DWORD me = GetCurrentThreadId(); - if (__GTHR_W32_InterlockedCompareExchange (&mutex->counter, 0, -1) < 0) - { - mutex->depth = 1; - mutex->owner = me; - } - else if (mutex->owner == me) - ++(mutex->depth); - else - return 1; - - return 0; -} - -int -__gthr_win32_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex) -{ - --(mutex->depth); - if (mutex->depth == 0) - { - mutex->owner = 0; - - if (InterlockedDecrement (&mutex->counter) >= 0) - return ReleaseSemaphore (mutex->sema, 1, NULL) ? 0 : 1; - } - - return 0; -} diff --git a/gcc/config/i386/t-cygming b/gcc/config/i386/t-cygming index 3e7f7cd..18b57c4 100644 --- a/gcc/config/i386/t-cygming +++ b/gcc/config/i386/t-cygming @@ -21,11 +21,6 @@ # doing the build, it may not be installed yet. LIMITS_H_TEST = true -# If we are building next to winsup, this will let us find the real -# limits.h when building libgcc2. Otherwise, winsup must be installed -# first. -LIBGCC2_INCLUDES = -I$(srcdir)/../winsup/w32api/include - winnt.o: $(srcdir)/config/i386/winnt.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \ $(TM_P_H) $(HASHTAB_H) $(GGC_H) $(LTO_STREAMER_H) diff --git a/gcc/config/i386/t-cygwin b/gcc/config/i386/t-cygwin deleted file mode 100644 index 9ac234b..0000000 --- a/gcc/config/i386/t-cygwin +++ /dev/null @@ -1,24 +0,0 @@ -# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2008, 2009, 2010, 2011 -# Free Software Foundation, Inc. -# -# This file is part of GCC. -# -# GCC is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GCC is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GCC; see the file COPYING3. If not see -# <http://www.gnu.org/licenses/>. - -# If we are building next to winsup, this will let us find the real -# limits.h when building libgcc2. Otherwise, winsup must be installed -# first. -LIBGCC2_INCLUDES += -I$(srcdir)/../winsup/include \ - -I$(srcdir)/../winsup/cygwin/include diff --git a/gcc/config/i386/t-darwin b/gcc/config/i386/t-darwin index 22323e4..bf44504 100644 --- a/gcc/config/i386/t-darwin +++ b/gcc/config/i386/t-darwin @@ -1,5 +1,2 @@ MULTILIB_OPTIONS = m64 MULTILIB_DIRNAMES = x86_64 -LIB2_SIDITI_CONV_FUNCS=yes -LIB2FUNCS_EXTRA = $(srcdir)/config/darwin-64.c -LIB2FUNCS_EXCLUDE = _fixtfdi _fixunstfdi _floatditf _floatunditf diff --git a/gcc/config/i386/t-darwin64 b/gcc/config/i386/t-darwin64 index 81b4565..6a6b22f 100644 --- a/gcc/config/i386/t-darwin64 +++ b/gcc/config/i386/t-darwin64 @@ -1,8 +1,2 @@ -LIB2_SIDITI_CONV_FUNCS=yes -LIB2FUNCS_EXTRA = $(srcdir)/config/darwin-64.c - MULTILIB_OPTIONS = m32 MULTILIB_DIRNAMES = i386 - -LIBGCC = stmp-multilib -INSTALL_LIBGCC = install-multilib diff --git a/gcc/config/i386/t-gthr-win32 b/gcc/config/i386/t-gthr-win32 deleted file mode 100644 index f67fa1e..0000000 --- a/gcc/config/i386/t-gthr-win32 +++ /dev/null @@ -1,2 +0,0 @@ -# We hide calls to w32api needed for w32 thread support here: -LIB2FUNCS_EXTRA = $(srcdir)/config/i386/gthr-win32.c diff --git a/gcc/config/i386/t-linux64 b/gcc/config/i386/t-linux64 index 4db41ea..b5d3985 100644 --- a/gcc/config/i386/t-linux64 +++ b/gcc/config/i386/t-linux64 @@ -37,6 +37,3 @@ MULTILIB_DIRNAMES = $(patsubst m%, %, $(subst /, ,$(MULTILIB_OPTIONS))) MULTILIB_OSDIRNAMES = m64=../lib64 MULTILIB_OSDIRNAMES+= m32=$(if $(wildcard $(shell echo $(SYSTEM_HEADER_DIR))/../../usr/lib32),../lib32,../lib) MULTILIB_OSDIRNAMES+= mx32=../libx32 - -LIBGCC = stmp-multilib -INSTALL_LIBGCC = install-multilib diff --git a/gcc/config/i386/t-mingw-w32 b/gcc/config/i386/t-mingw-w32 index 68669d4..4fc8582 100644 --- a/gcc/config/i386/t-mingw-w32 +++ b/gcc/config/i386/t-mingw-w32 @@ -1,6 +1,3 @@ MULTILIB_OPTIONS = m64/m32 MULTILIB_DIRNAMES = 64 32 MULTILIB_OSDIRNAMES = ../lib64 ../lib - -LIBGCC = stmp-multilib -INSTALL_LIBGCC = install-multilib diff --git a/gcc/config/i386/t-mingw-w64 b/gcc/config/i386/t-mingw-w64 index 1e86e05..c809ebd 100644 --- a/gcc/config/i386/t-mingw-w64 +++ b/gcc/config/i386/t-mingw-w64 @@ -1,6 +1,3 @@ MULTILIB_OPTIONS = m64/m32 MULTILIB_DIRNAMES = 64 32 MULTILIB_OSDIRNAMES = ../lib ../lib32 - -LIBGCC = stmp-multilib -INSTALL_LIBGCC = install-multilib diff --git a/gcc/config/i386/t-nto b/gcc/config/i386/t-nto deleted file mode 100644 index b72c00d..0000000 --- a/gcc/config/i386/t-nto +++ /dev/null @@ -1 +0,0 @@ -TARGET_LIBGCC2_CFLAGS = -fPIC -fexceptions diff --git a/gcc/config/i386/t-openbsd b/gcc/config/i386/t-openbsd index 1830463..4f8ff65 100644 --- a/gcc/config/i386/t-openbsd +++ b/gcc/config/i386/t-openbsd @@ -2,5 +2,3 @@ # We cope by building variants of libgcc. MULTILIB_OPTIONS = fpic MULTILIB_MATCHES=fpic=fPIC -LIBGCC = stmp-multilib -INSTALL_LIBGCC = install-multilib |