diff options
| author | Andreas Tobler <a.tobler@schweiz.org> | 2007-02-08 19:49:32 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@redhat.com> | 2007-02-08 19:49:32 +0000 |
| commit | a9cf64bc67a558c9436b39de0e651ad2df697d4e (patch) | |
| tree | d69142d83a5d90f4c50de4a656f9b8882a776a4a | |
| parent | c7280c7b4adfeea16112bf2e9df681f2af568794 (diff) | |
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.
git-svn-id: https://gcc.gnu.org/svn/gcc/branches/redhat/gcc-4_1-branch-java-merge-20070117@121721 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | libjava/ChangeLog | 9 | ||||
| -rw-r--r-- | libjava/configure.host | 4 | ||||
| -rw-r--r-- | libjava/sysdep/sparc/locks.h | 36 |
3 files changed, 42 insertions, 7 deletions
diff --git a/libjava/ChangeLog b/libjava/ChangeLog index 4071622d9a3..f6f0bc0a77d 100644 --- a/libjava/ChangeLog +++ b/libjava/ChangeLog @@ -1,3 +1,12 @@ +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. + 2007-02-02 Jakub Jelinek <jakub@redhat.com> * configure.ac (libjava_cv_anon_version_script): New test. diff --git a/libjava/configure.host b/libjava/configure.host index e19a61a147e..edaa679b44e 100644 --- a/libjava/configure.host +++ b/libjava/configure.host @@ -159,6 +159,10 @@ case "${host}" in enable_hash_synchronization_default=yes ;; sparc*-*) + sysdeps_dir=sparc + # On Solaris we have defined 'sun' which later conflicts with + # namespace usage. So to work this away we use the below undefine. + libgcj_flags="${libgcj_flags} -Usun" libgcj_interpreter=yes ;; ia64-*) diff --git a/libjava/sysdep/sparc/locks.h b/libjava/sysdep/sparc/locks.h index 7339567d7d4..7c30d7c3b0f 100644 --- a/libjava/sysdep/sparc/locks.h +++ b/libjava/sysdep/sparc/locks.h @@ -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__ */ |