lol

1 files changed, 172 insertions, 0 deletions

diff --git a/tinycc/include/stdatomic.h b/tinycc/include/stdatomic.h
new file mode 100644
index 0000000..a8372ee
--- /dev/null
+++ b/tinycc/include/stdatomic.h
@@ -0,0 +1,172 @@
+/* This file is derived from clang's stdatomic.h */
+
+/*===---- stdatomic.h - Standard header for atomic types and operations -----===
+ *
+ * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+ * See https://llvm.org/LICENSE.txt for license information.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef _STDATOMIC_H
+#define _STDATOMIC_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define __ATOMIC_RELAXED 0
+#define __ATOMIC_CONSUME 1
+#define __ATOMIC_ACQUIRE 2
+#define __ATOMIC_RELEASE 3
+#define __ATOMIC_ACQ_REL 4
+#define __ATOMIC_SEQ_CST 5
+
+/* Memory ordering */
+typedef enum {
+    memory_order_relaxed = __ATOMIC_RELAXED,
+    memory_order_consume = __ATOMIC_CONSUME,
+    memory_order_acquire = __ATOMIC_ACQUIRE,
+    memory_order_release = __ATOMIC_RELEASE,
+    memory_order_acq_rel = __ATOMIC_ACQ_REL,
+    memory_order_seq_cst = __ATOMIC_SEQ_CST,
+} memory_order;
+
+/* Atomic typedefs */
+typedef _Atomic(_Bool) atomic_bool;
+typedef _Atomic(char) atomic_char;
+typedef _Atomic(signed char) atomic_schar;
+typedef _Atomic(unsigned char) atomic_uchar;
+typedef _Atomic(short) atomic_short;
+typedef _Atomic(unsigned short) atomic_ushort;
+typedef _Atomic(int) atomic_int;
+typedef _Atomic(unsigned int) atomic_uint;
+typedef _Atomic(long) atomic_long;
+typedef _Atomic(unsigned long) atomic_ulong;
+typedef _Atomic(long long) atomic_llong;
+typedef _Atomic(unsigned long long) atomic_ullong;
+typedef _Atomic(uint_least16_t) atomic_char16_t;
+typedef _Atomic(uint_least32_t) atomic_char32_t;
+typedef _Atomic(wchar_t) atomic_wchar_t;
+typedef _Atomic(int_least8_t) atomic_int_least8_t;
+typedef _Atomic(uint_least8_t) atomic_uint_least8_t;
+typedef _Atomic(int_least16_t) atomic_int_least16_t;
+typedef _Atomic(uint_least16_t) atomic_uint_least16_t;
+typedef _Atomic(int_least32_t) atomic_int_least32_t;
+typedef _Atomic(uint_least32_t) atomic_uint_least32_t;
+typedef _Atomic(int_least64_t) atomic_int_least64_t;
+typedef _Atomic(uint_least64_t) atomic_uint_least64_t;
+typedef _Atomic(int_fast8_t) atomic_int_fast8_t;
+typedef _Atomic(uint_fast8_t) atomic_uint_fast8_t;
+typedef _Atomic(int_fast16_t) atomic_int_fast16_t;
+typedef _Atomic(uint_fast16_t) atomic_uint_fast16_t;
+typedef _Atomic(int_fast32_t) atomic_int_fast32_t;
+typedef _Atomic(uint_fast32_t) atomic_uint_fast32_t;
+typedef _Atomic(int_fast64_t) atomic_int_fast64_t;
+typedef _Atomic(uint_fast64_t) atomic_uint_fast64_t;
+typedef _Atomic(intptr_t) atomic_intptr_t;
+typedef _Atomic(uintptr_t) atomic_uintptr_t;
+typedef _Atomic(size_t) atomic_size_t;
+typedef _Atomic(ptrdiff_t) atomic_ptrdiff_t;
+typedef _Atomic(intmax_t) atomic_intmax_t;
+typedef _Atomic(uintmax_t) atomic_uintmax_t;
+
+/* Atomic flag */
+typedef struct {
+    atomic_bool value;
+} atomic_flag;
+
+#define ATOMIC_FLAG_INIT {0}
+
+#define atomic_flag_test_and_set_explicit(object, order)                  \
+    __atomic_test_and_set((void *)(&((object)->value)), order)
+#define atomic_flag_test_and_set(object)                                  \
+    atomic_flag_test_and_set_explicit(object, __ATOMIC_SEQ_CST)
+
+#define atomic_flag_clear_explicit(object, order)                         \
+    __atomic_clear((bool *)(&((object)->value)), order)
+#define atomic_flag_clear(object) \
+    atomic_flag_clear_explicit(object, __ATOMIC_SEQ_CST)
+
+/* Generic routines */
+#define atomic_init(object, desired)                                      \
+    atomic_store_explicit(object, desired, __ATOMIC_RELAXED)
+
+#define atomic_store_explicit(object, desired, order)                     \
+    ({ __typeof__ (object) ptr = (object);                                \
+       __typeof__ (*ptr) tmp = (desired);                                 \
+       __atomic_store (ptr, &tmp, (order));                               \
+    })
+#define atomic_store(object, desired)                                     \
+     atomic_store_explicit (object, desired, __ATOMIC_SEQ_CST)
+
+#define atomic_load_explicit(object, order)                               \
+    ({ __typeof__ (object) ptr = (object);                                \
+       __typeof__ (*ptr) tmp;                                             \
+       __atomic_load (ptr, &tmp, (order));                                \
+       tmp;                                                               \
+    })
+#define atomic_load(object) atomic_load_explicit (object, __ATOMIC_SEQ_CST)
+
+#define atomic_exchange_explicit(object, desired, order)                  \
+    ({ __typeof__ (object) ptr = (object);                                \
+       __typeof__ (*ptr) val = (desired);                                 \
+       __typeof__ (*ptr) tmp;                                             \
+       __atomic_exchange (ptr, &val, &tmp, (order));                      \
+       tmp;                                                               \
+    })
+#define atomic_exchange(object, desired)                                  \
+  atomic_exchange_explicit (object, desired, __ATOMIC_SEQ_CST)
+
+#define atomic_compare_exchange_strong_explicit(object, expected, desired, success, failure) \
+    ({ __typeof__ (object) ptr = (object);                                \
+       __typeof__ (*ptr) tmp = desired;                                   \
+       __atomic_compare_exchange(ptr, expected, &tmp, 0, success, failure); \
+    })
+#define atomic_compare_exchange_strong(object, expected, desired)         \
+    atomic_compare_exchange_strong_explicit (object, expected, desired,   \
+                                             __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+
+#define atomic_compare_exchange_weak_explicit(object, expected, desired, success, failure) \
+    ({ __typeof__ (object) ptr = (object);                                \
+       __typeof__ (*ptr) tmp = desired;                                   \
+       __atomic_compare_exchange(ptr, expected, &tmp, 1, success, failure); \
+    })
+#define atomic_compare_exchange_weak(object, expected, desired)           \
+    atomic_compare_exchange_weak_explicit (PTR, VAL, DES,                 \
+                                           __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
+
+#define atomic_fetch_add(object, operand) \
+    __atomic_fetch_add(object, operand, __ATOMIC_SEQ_CST)
+#define atomic_fetch_add_explicit __atomic_fetch_add
+
+#define atomic_fetch_sub(object, operand) \
+    __atomic_fetch_sub(object, operand, __ATOMIC_SEQ_CST)
+#define atomic_fetch_sub_explicit __atomic_fetch_sub
+
+#define atomic_fetch_or(object, operand) \
+    __atomic_fetch_or(object, operand, __ATOMIC_SEQ_CST)
+#define atomic_fetch_or_explicit __atomic_fetch_or
+
+#define atomic_fetch_xor(object, operand) \
+    __atomic_fetch_xor(object, operand, __ATOMIC_SEQ_CST)
+#define atomic_fetch_xor_explicit __atomic_fetch_xor
+
+#define atomic_fetch_and(object, operand) \
+    __atomic_fetch_and(object, operand, __ATOMIC_SEQ_CST)
+#define atomic_fetch_and_explicit __atomic_fetch_and
+
+extern void atomic_thread_fence (memory_order);
+extern void __atomic_thread_fence (memory_order);
+#define atomic_thread_fence(order) __atomic_thread_fence (order)
+extern void atomic_signal_fence (memory_order);
+extern void __atomic_signal_fence (memory_order);
+#define atomic_signal_fence(order) __atomic_signal_fence  (order)
+extern bool __atomic_is_lock_free(size_t size, void *ptr);
+#define atomic_is_lock_free(OBJ) __atomic_is_lock_free (sizeof (*(OBJ)), (OBJ))
+
+extern bool __atomic_test_and_set (void *, memory_order);
+extern void __atomic_clear (bool *, memory_order);
+
+#endif /* _STDATOMIC_H */