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import gc6.1alpha5

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This commit is contained in:
Fumitoshi UKAI
2002-07-10 14:21:11 +00:00
parent adfa59bd5f
commit bb118b7356
72 changed files with 18916 additions and 8113 deletions
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51
gc/include/private/gc_locks.h
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@@ -145,15 +145,15 @@
# if defined(POWERPC)
inline static int GC_test_and_set(volatile unsigned int *addr) {
int oldval;
int temp = 1; // locked value
int temp = 1; /* locked value */
__asm__ __volatile__(
"1:\tlwarx %0,0,%3\n" // load and reserve
"\tcmpwi %0, 0\n" // if load is
"\tbne 2f\n" // non-zero, return already set
"\tstwcx. %2,0,%1\n" // else store conditional
"\tbne- 1b\n" // retry if lost reservation
"2:\t\n" // oldval is zero if we set
"1:\tlwarx %0,0,%3\n" /* load and reserve */
"\tcmpwi %0, 0\n" /* if load is */
"\tbne 2f\n" /* non-zero, return already set */
"\tstwcx. %2,0,%1\n" /* else store conditional */
"\tbne- 1b\n" /* retry if lost reservation */
"2:\t\n" /* oldval is zero if we set */
: "=&r"(oldval), "=p"(addr)
: "r"(temp), "1"(addr)
: "memory");
@@ -161,7 +161,7 @@
}
# define GC_TEST_AND_SET_DEFINED
inline static void GC_clear(volatile unsigned int *addr) {
__asm__ __volatile__("eieio" ::: "memory");
__asm__ __volatile__("eieio" : : : "memory");
*(addr) = 0;
}
# define GC_CLEAR_DEFINED
@@ -219,11 +219,19 @@
# define GC_TEST_AND_SET_DEFINED
# endif
# ifdef MIPS
# if __mips < 3 || !(defined (_ABIN32) || defined(_ABI64)) \
# ifdef LINUX
# include <sys/tas.h>
# define GC_test_and_set(addr) _test_and_set((int *) addr,1)
# define GC_TEST_AND_SET_DEFINED
# elif __mips < 3 || !(defined (_ABIN32) || defined(_ABI64)) \
|| !defined(_COMPILER_VERSION) || _COMPILER_VERSION < 700
# define GC_test_and_set(addr, v) test_and_set(addr,v)
# ifdef __GNUC__
# define GC_test_and_set(addr) _test_and_set(addr,1)
# else
# define GC_test_and_set(addr) test_and_set(addr,1)
# endif
# else
# define GC_test_and_set(addr, v) __test_and_set(addr,v)
# define GC_test_and_set(addr) __test_and_set(addr,1)
# define GC_clear(addr) __lock_release(addr);
# define GC_CLEAR_DEFINED
# endif
@@ -262,7 +270,7 @@
# endif
# if defined(GC_PTHREADS) && !defined(GC_SOLARIS_THREADS) \
&& !defined(GC_IRIX_THREADS)
&& !defined(GC_IRIX_THREADS) && !defined(GC_WIN32_THREADS)
# define NO_THREAD (pthread_t)(-1)
# include <pthread.h>
# if defined(PARALLEL_MARK)
@@ -431,7 +439,7 @@
# define NO_THREAD (pthread_t)(-1)
# define UNSET_LOCK_HOLDER() GC_lock_holder = NO_THREAD
# define I_HOLD_LOCK() (pthread_equal(GC_lock_holder, pthread_self()))
# define LOCK() { if (GC_test_and_set(&GC_allocate_lock, 1)) GC_lock(); }
# define LOCK() { if (GC_test_and_set(&GC_allocate_lock)) GC_lock(); }
# define UNLOCK() GC_clear(&GC_allocate_lock);
extern VOLATILE GC_bool GC_collecting;
# define ENTER_GC() \
@@ -440,11 +448,18 @@
}
# define EXIT_GC() GC_collecting = 0;
# endif /* GC_IRIX_THREADS */
# ifdef GC_WIN32_THREADS
# include <windows.h>
GC_API CRITICAL_SECTION GC_allocate_ml;
# define LOCK() EnterCriticalSection(&GC_allocate_ml);
# define UNLOCK() LeaveCriticalSection(&GC_allocate_ml);
# if defined(GC_WIN32_THREADS)
# if defined(GC_PTHREADS)
# include <pthread.h>
extern pthread_mutex_t GC_allocate_ml;
# define LOCK() pthread_mutex_lock(&GC_allocate_ml)
# define UNLOCK() pthread_mutex_unlock(&GC_allocate_ml)
# else
# include <windows.h>
GC_API CRITICAL_SECTION GC_allocate_ml;
# define LOCK() EnterCriticalSection(&GC_allocate_ml);
# define UNLOCK() LeaveCriticalSection(&GC_allocate_ml);
# endif
# endif
# ifndef SET_LOCK_HOLDER
# define SET_LOCK_HOLDER()