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re PR libgcj/30513 (Bootstrap failure with libgcj on sparc-sun-solaris2.10)

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2007-01-27  Andreas Tobler  <a.tobler@schweiz.org>

	PR libgcj/30513
	* configure.host: Add forgottten sysdep_dir to sparc. Add a flag to
	libgcj_flags to undefine 'sun' at compile time.
	* sysdep/sparc/locks.h (read_barrier): New functions for 32 and 64 bit
	Sparc.
	(write_barrier): Likewise.

From-SVN: r121239
This commit is contained in:
Andreas Tobler 2007-01-27 21:46:15 +00:00 • committed by Andreas Tobler
parent 024abeb327
commit 4838bfc05b
3 changed files with 43 additions and 8 deletions
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36
libjava/sysdep/sparc/locks.h
View file

@ -1,6 +1,6 @@
// locks.h - Thread synchronization primitives. Sparc implementation.
/* Copyright (C) 2002 Free Software Foundation
/* Copyright (C) 2002, 2007 Free Software Foundation
This file is part of libgcj.
@ -38,12 +38,23 @@ release_set(volatile obj_addr_t *addr, obj_addr_t new_val)
}
inline static bool
compare_and_swap_release(volatile obj_addr_t *addr,
obj_addr_t old,
obj_addr_t new_val)
compare_and_swap_release(volatile obj_addr_t *addr, obj_addr_t old,
obj_addr_t new_val)
{
return compare_and_swap(addr, old, new_val);
}
inline static void
read_barrier()
{
__asm__ __volatile__("membar #LoadLoad | #LoadStore" : : : "memory");
}
inline static void
write_barrier()
{
__asm__ __volatile__("membar #StoreLoad | #StoreStore" : : : "memory");
}
#else
/* Sparc32 implementation, use a spinlock. */
static unsigned char __cas_lock = 0;
@ -109,12 +120,23 @@ release_set(volatile obj_addr_t *addr, obj_addr_t new_val)
}
inline static bool
compare_and_swap_release(volatile obj_addr_t *addr,
obj_addr_t old,
obj_addr_t new_val)
compare_and_swap_release(volatile obj_addr_t *addr, obj_addr_t old,
obj_addr_t new_val)
{
return compare_and_swap(addr, old, new_val);
}
inline static void
read_barrier()
{
__asm__ __volatile__ ("" : : : "memory");
}
inline static void
write_barrier()
{
__asm__ __volatile__ ("" : : : "memory");
}
#endif /* __arch64__ */
#endif /* ! __SYSDEP_LOCKS_H__ */