Move Jerry's libc to jerry-libc directory.

2015-02-11 21:33:45 +03:00
parent 6dfade808f
commit af77eac8e4
13 changed files with 16 additions and 217 deletions
@@ -0,0 +1,79 @@
+/* Copyright 2014 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+#ifndef ASM_ARM_H
+#define ASM_ARM_H
+
+/*
+ * mov syscall_no (%r0) -> %r7
+ * mov arg1 (%r1) -> %r0
+ * svc #0
+ */
+#define SYSCALL_1 \
+  push {r4-r12, lr}; \
+  \
+  mov r7, r0; \
+  mov r0, r1; \
+  \
+  svc #0; \
+  \
+  pop {r4-r12, pc};
+
+/*
+ * mov syscall_no (%r0) -> %r7
+ * mov arg1 (%r1) -> %r0
+ * mov arg2 (%r2) -> %r1
+ * svc #0
+ */
+#define SYSCALL_2 \
+  push {r4-r12, lr}; \
+  \
+  mov r7, r0; \
+  mov r0, r1; \
+  mov r1, r2; \
+  \
+  svc #0; \
+  \
+  pop {r4-r12, pc};
+
+/*
+ * mov syscall_no (%r0) -> %r7
+ * mov arg1 (%r1) -> %r0
+ * mov arg2 (%r2) -> %r1
+ * mov arg3 (%r3) -> %r2
+ * svc #0
+ */
+#define SYSCALL_3 \
+  push {r4-r12, lr}; \
+  \
+  mov r7, r0; \
+  mov r0, r1; \
+  mov r1, r2; \
+  mov r2, r3; \
+  \
+  svc #0; \
+  \
+  pop {r4-r12, pc};
+
+#define _START            \
+   ldr r0, [sp, #0];      \
+   add r1, sp, #4;        \
+   bl main;               \
+                          \
+   bl __exit;             \
+   1:                     \
+   b 1b
+
+#endif /* !ASM_ARM_H */