diff options
Diffstat (limited to 'tools/memory-model/linux-kernel.def')
| -rw-r--r-- | tools/memory-model/linux-kernel.def | 169 |
1 files changed, 99 insertions, 70 deletions
diff --git a/tools/memory-model/linux-kernel.def b/tools/memory-model/linux-kernel.def index 88a39601f525..49e402782e49 100644 --- a/tools/memory-model/linux-kernel.def +++ b/tools/memory-model/linux-kernel.def @@ -6,18 +6,18 @@ // which appeared in ASPLOS 2018. // ONCE -READ_ONCE(X) __load{once}(X) -WRITE_ONCE(X,V) { __store{once}(X,V); } +READ_ONCE(X) __load{ONCE}(X) +WRITE_ONCE(X,V) { __store{ONCE}(X,V); } // Release Acquire and friends -smp_store_release(X,V) { __store{release}(*X,V); } -smp_load_acquire(X) __load{acquire}(*X) -rcu_assign_pointer(X,V) { __store{release}(X,V); } -rcu_dereference(X) __load{once}(X) -smp_store_mb(X,V) { __store{once}(X,V); __fence{mb}; } +smp_store_release(X,V) { __store{RELEASE}(*X,V); } +smp_load_acquire(X) __load{ACQUIRE}(*X) +rcu_assign_pointer(X,V) { __store{RELEASE}(X,V); } +rcu_dereference(X) __load{ONCE}(X) +smp_store_mb(X,V) { __store{ONCE}(X,V); __fence{MB}; } // Fences -smp_mb() { __fence{mb}; } +smp_mb() { __fence{MB}; } smp_rmb() { __fence{rmb}; } smp_wmb() { __fence{wmb}; } smp_mb__before_atomic() { __fence{before-atomic}; } @@ -28,14 +28,14 @@ smp_mb__after_srcu_read_unlock() { __fence{after-srcu-read-unlock}; } barrier() { __fence{barrier}; } // Exchange -xchg(X,V) __xchg{mb}(X,V) -xchg_relaxed(X,V) __xchg{once}(X,V) -xchg_release(X,V) __xchg{release}(X,V) -xchg_acquire(X,V) __xchg{acquire}(X,V) -cmpxchg(X,V,W) __cmpxchg{mb}(X,V,W) -cmpxchg_relaxed(X,V,W) __cmpxchg{once}(X,V,W) -cmpxchg_acquire(X,V,W) __cmpxchg{acquire}(X,V,W) -cmpxchg_release(X,V,W) __cmpxchg{release}(X,V,W) +xchg(X,V) __xchg{MB}(X,V) +xchg_relaxed(X,V) __xchg{ONCE}(X,V) +xchg_release(X,V) __xchg{RELEASE}(X,V) +xchg_acquire(X,V) __xchg{ACQUIRE}(X,V) +cmpxchg(X,V,W) __cmpxchg{MB}(X,V,W) +cmpxchg_relaxed(X,V,W) __cmpxchg{ONCE}(X,V,W) +cmpxchg_acquire(X,V,W) __cmpxchg{ACQUIRE}(X,V,W) +cmpxchg_release(X,V,W) __cmpxchg{RELEASE}(X,V,W) // Spinlocks spin_lock(X) { __lock(X); } @@ -63,57 +63,86 @@ atomic_set(X,V) { WRITE_ONCE(*X,V); } atomic_read_acquire(X) smp_load_acquire(X) atomic_set_release(X,V) { smp_store_release(X,V); } -atomic_add(V,X) { __atomic_op(X,+,V); } -atomic_sub(V,X) { __atomic_op(X,-,V); } -atomic_inc(X) { __atomic_op(X,+,1); } -atomic_dec(X) { __atomic_op(X,-,1); } - -atomic_add_return(V,X) __atomic_op_return{mb}(X,+,V) -atomic_add_return_relaxed(V,X) __atomic_op_return{once}(X,+,V) -atomic_add_return_acquire(V,X) __atomic_op_return{acquire}(X,+,V) -atomic_add_return_release(V,X) __atomic_op_return{release}(X,+,V) -atomic_fetch_add(V,X) __atomic_fetch_op{mb}(X,+,V) -atomic_fetch_add_relaxed(V,X) __atomic_fetch_op{once}(X,+,V) -atomic_fetch_add_acquire(V,X) __atomic_fetch_op{acquire}(X,+,V) -atomic_fetch_add_release(V,X) __atomic_fetch_op{release}(X,+,V) - -atomic_inc_return(X) __atomic_op_return{mb}(X,+,1) -atomic_inc_return_relaxed(X) __atomic_op_return{once}(X,+,1) -atomic_inc_return_acquire(X) __atomic_op_return{acquire}(X,+,1) -atomic_inc_return_release(X) __atomic_op_return{release}(X,+,1) -atomic_fetch_inc(X) __atomic_fetch_op{mb}(X,+,1) -atomic_fetch_inc_relaxed(X) __atomic_fetch_op{once}(X,+,1) -atomic_fetch_inc_acquire(X) __atomic_fetch_op{acquire}(X,+,1) -atomic_fetch_inc_release(X) __atomic_fetch_op{release}(X,+,1) - -atomic_sub_return(V,X) __atomic_op_return{mb}(X,-,V) -atomic_sub_return_relaxed(V,X) __atomic_op_return{once}(X,-,V) -atomic_sub_return_acquire(V,X) __atomic_op_return{acquire}(X,-,V) -atomic_sub_return_release(V,X) __atomic_op_return{release}(X,-,V) -atomic_fetch_sub(V,X) __atomic_fetch_op{mb}(X,-,V) -atomic_fetch_sub_relaxed(V,X) __atomic_fetch_op{once}(X,-,V) -atomic_fetch_sub_acquire(V,X) __atomic_fetch_op{acquire}(X,-,V) -atomic_fetch_sub_release(V,X) __atomic_fetch_op{release}(X,-,V) - -atomic_dec_return(X) __atomic_op_return{mb}(X,-,1) -atomic_dec_return_relaxed(X) __atomic_op_return{once}(X,-,1) -atomic_dec_return_acquire(X) __atomic_op_return{acquire}(X,-,1) -atomic_dec_return_release(X) __atomic_op_return{release}(X,-,1) -atomic_fetch_dec(X) __atomic_fetch_op{mb}(X,-,1) -atomic_fetch_dec_relaxed(X) __atomic_fetch_op{once}(X,-,1) -atomic_fetch_dec_acquire(X) __atomic_fetch_op{acquire}(X,-,1) -atomic_fetch_dec_release(X) __atomic_fetch_op{release}(X,-,1) - -atomic_xchg(X,V) __xchg{mb}(X,V) -atomic_xchg_relaxed(X,V) __xchg{once}(X,V) -atomic_xchg_release(X,V) __xchg{release}(X,V) -atomic_xchg_acquire(X,V) __xchg{acquire}(X,V) -atomic_cmpxchg(X,V,W) __cmpxchg{mb}(X,V,W) -atomic_cmpxchg_relaxed(X,V,W) __cmpxchg{once}(X,V,W) -atomic_cmpxchg_acquire(X,V,W) __cmpxchg{acquire}(X,V,W) -atomic_cmpxchg_release(X,V,W) __cmpxchg{release}(X,V,W) - -atomic_sub_and_test(V,X) __atomic_op_return{mb}(X,-,V) == 0 -atomic_dec_and_test(X) __atomic_op_return{mb}(X,-,1) == 0 -atomic_inc_and_test(X) __atomic_op_return{mb}(X,+,1) == 0 -atomic_add_negative(V,X) __atomic_op_return{mb}(X,+,V) < 0 +atomic_add(V,X) { __atomic_op{NORETURN}(X,+,V); } +atomic_sub(V,X) { __atomic_op{NORETURN}(X,-,V); } +atomic_and(V,X) { __atomic_op{NORETURN}(X,&,V); } +atomic_or(V,X) { __atomic_op{NORETURN}(X,|,V); } +atomic_xor(V,X) { __atomic_op{NORETURN}(X,^,V); } +atomic_inc(X) { __atomic_op{NORETURN}(X,+,1); } +atomic_dec(X) { __atomic_op{NORETURN}(X,-,1); } +atomic_andnot(V,X) { __atomic_op{NORETURN}(X,&~,V); } + +atomic_add_return(V,X) __atomic_op_return{MB}(X,+,V) +atomic_add_return_relaxed(V,X) __atomic_op_return{ONCE}(X,+,V) +atomic_add_return_acquire(V,X) __atomic_op_return{ACQUIRE}(X,+,V) +atomic_add_return_release(V,X) __atomic_op_return{RELEASE}(X,+,V) +atomic_fetch_add(V,X) __atomic_fetch_op{MB}(X,+,V) +atomic_fetch_add_relaxed(V,X) __atomic_fetch_op{ONCE}(X,+,V) +atomic_fetch_add_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,+,V) +atomic_fetch_add_release(V,X) __atomic_fetch_op{RELEASE}(X,+,V) + +atomic_fetch_and(V,X) __atomic_fetch_op{MB}(X,&,V) +atomic_fetch_and_relaxed(V,X) __atomic_fetch_op{ONCE}(X,&,V) +atomic_fetch_and_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,&,V) +atomic_fetch_and_release(V,X) __atomic_fetch_op{RELEASE}(X,&,V) + +atomic_fetch_or(V,X) __atomic_fetch_op{MB}(X,|,V) +atomic_fetch_or_relaxed(V,X) __atomic_fetch_op{ONCE}(X,|,V) +atomic_fetch_or_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,|,V) +atomic_fetch_or_release(V,X) __atomic_fetch_op{RELEASE}(X,|,V) + +atomic_fetch_xor(V,X) __atomic_fetch_op{MB}(X,^,V) +atomic_fetch_xor_relaxed(V,X) __atomic_fetch_op{ONCE}(X,^,V) +atomic_fetch_xor_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,^,V) +atomic_fetch_xor_release(V,X) __atomic_fetch_op{RELEASE}(X,^,V) + +atomic_inc_return(X) __atomic_op_return{MB}(X,+,1) +atomic_inc_return_relaxed(X) __atomic_op_return{ONCE}(X,+,1) +atomic_inc_return_acquire(X) __atomic_op_return{ACQUIRE}(X,+,1) +atomic_inc_return_release(X) __atomic_op_return{RELEASE}(X,+,1) +atomic_fetch_inc(X) __atomic_fetch_op{MB}(X,+,1) +atomic_fetch_inc_relaxed(X) __atomic_fetch_op{ONCE}(X,+,1) +atomic_fetch_inc_acquire(X) __atomic_fetch_op{ACQUIRE}(X,+,1) +atomic_fetch_inc_release(X) __atomic_fetch_op{RELEASE}(X,+,1) + +atomic_sub_return(V,X) __atomic_op_return{MB}(X,-,V) +atomic_sub_return_relaxed(V,X) __atomic_op_return{ONCE}(X,-,V) +atomic_sub_return_acquire(V,X) __atomic_op_return{ACQUIRE}(X,-,V) +atomic_sub_return_release(V,X) __atomic_op_return{RELEASE}(X,-,V) +atomic_fetch_sub(V,X) __atomic_fetch_op{MB}(X,-,V) +atomic_fetch_sub_relaxed(V,X) __atomic_fetch_op{ONCE}(X,-,V) +atomic_fetch_sub_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,-,V) +atomic_fetch_sub_release(V,X) __atomic_fetch_op{RELEASE}(X,-,V) + +atomic_dec_return(X) __atomic_op_return{MB}(X,-,1) +atomic_dec_return_relaxed(X) __atomic_op_return{ONCE}(X,-,1) +atomic_dec_return_acquire(X) __atomic_op_return{ACQUIRE}(X,-,1) +atomic_dec_return_release(X) __atomic_op_return{RELEASE}(X,-,1) +atomic_fetch_dec(X) __atomic_fetch_op{MB}(X,-,1) +atomic_fetch_dec_relaxed(X) __atomic_fetch_op{ONCE}(X,-,1) +atomic_fetch_dec_acquire(X) __atomic_fetch_op{ACQUIRE}(X,-,1) +atomic_fetch_dec_release(X) __atomic_fetch_op{RELEASE}(X,-,1) + +atomic_xchg(X,V) __xchg{MB}(X,V) +atomic_xchg_relaxed(X,V) __xchg{ONCE}(X,V) +atomic_xchg_release(X,V) __xchg{RELEASE}(X,V) +atomic_xchg_acquire(X,V) __xchg{ACQUIRE}(X,V) +atomic_cmpxchg(X,V,W) __cmpxchg{MB}(X,V,W) +atomic_cmpxchg_relaxed(X,V,W) __cmpxchg{ONCE}(X,V,W) +atomic_cmpxchg_acquire(X,V,W) __cmpxchg{ACQUIRE}(X,V,W) +atomic_cmpxchg_release(X,V,W) __cmpxchg{RELEASE}(X,V,W) + +atomic_sub_and_test(V,X) __atomic_op_return{MB}(X,-,V) == 0 +atomic_dec_and_test(X) __atomic_op_return{MB}(X,-,1) == 0 +atomic_inc_and_test(X) __atomic_op_return{MB}(X,+,1) == 0 +atomic_add_negative(V,X) __atomic_op_return{MB}(X,+,V) < 0 +atomic_add_negative_relaxed(V,X) __atomic_op_return{ONCE}(X,+,V) < 0 +atomic_add_negative_acquire(V,X) __atomic_op_return{ACQUIRE}(X,+,V) < 0 +atomic_add_negative_release(V,X) __atomic_op_return{RELEASE}(X,+,V) < 0 + +atomic_fetch_andnot(V,X) __atomic_fetch_op{MB}(X,&~,V) +atomic_fetch_andnot_acquire(V,X) __atomic_fetch_op{ACQUIRE}(X,&~,V) +atomic_fetch_andnot_release(V,X) __atomic_fetch_op{RELEASE}(X,&~,V) +atomic_fetch_andnot_relaxed(V,X) __atomic_fetch_op{ONCE}(X,&~,V) + +atomic_add_unless(X,V,W) __atomic_add_unless{MB}(X,V,W) |