Import of the watch repository from Pebble

third_party/jerryscript/jerry-libc/target/posix/jerry-asm.S

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+/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
+ * Copyright 2015-2016 University of Szeged
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#if defined (__TARGET_HOST_x64)
+#include "arch/x86-64.h"
+#elif defined (__TARGET_HOST_x86)
+#include "arch/x86-32.h"
+#elif defined (__TARGET_HOST_ARMv7)
+#include "arch/arm-v7.h"
+#else /* !__TARGET_HOST_x64 && !__TARGET_HOST_x86 && !__TARGET_HOST_ARMv7 */
+#error "Unsupported architecture"
+#endif /* __TARGET_HOST_x64 */
+
+#if defined (__linux__)
+.macro func _name
+.global \_name
+.type \_name, %function
+\_name:
+.endm
+.macro endfunc _name
+.size \_name, .-\_name
+.endm
+#elif defined (__APPLE__) && defined (__MACH__)
+.macro func _name
+.global \_name
+\_name:
+.endm
+.macro endfunc _name
+.endm
+#else /* !__linux && !(__APPLE__ && __MACH__) */
+#error "Unsupported OS"
+#endif /* __linux__ */
+
+func _start
+  _START
+endfunc _start
+
+func syscall_0
+  SYSCALL_0
+endfunc syscall_0
+
+func syscall_1
+  SYSCALL_1
+endfunc syscall_1
+
+func syscall_2
+  SYSCALL_2
+endfunc syscall_2
+
+func syscall_3
+  SYSCALL_3
+endfunc syscall_3
+
+/**
+ * setjmp (jmp_buf env)
+ *
+ * See also:
+ *          longjmp
+ *
+ * @return 0 - if returns from direct call,
+ *         nonzero - if returns after longjmp.
+ */
+func setjmp
+  _SETJMP
+endfunc setjmp
+
+/**
+ * longjmp (jmp_buf env, int val)
+ *
+ * Note:
+ *      if val is not 0, then it would be returned from setjmp,
+ *      otherwise - 0 would be returned.
+ *
+ * See also:
+ *          setjmp
+ */
+func longjmp
+  _LONGJMP
+endfunc longjmp