Move architecture-depedendent libc internal headers to jerry-libc/arch folder.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
2015-06-15 14:20:53 +03:00
parent a293e21147
commit 630a1e8eba
6 changed files with 3 additions and 21 deletions
@@ -0,0 +1,109 @@
+/* Copyright 2014-2015 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_X86_H
+#define ASM_X86_H
+
+/*
+ * mov syscall_no -> %eax
+ * int $0x80
+ * mov %eax -> ret
+ */
+#define SYSCALL_0 \
+  push %edi;               \
+  push %esi;               \
+  push %ebx;               \
+  mov 0x10 (%esp), %eax;   \
+  int $0x80;               \
+  pop %ebx;                \
+  pop %esi;                \
+  pop %edi;                \
+  ret;
+
+/*
+ * mov syscall_no -> %eax
+ * mov arg1 -> %ebx
+ * int $0x80
+ * mov %eax -> ret
+ */
+#define SYSCALL_1 \
+  push %edi;               \
+  push %esi;               \
+  push %ebx;               \
+  mov 0x10 (%esp), %eax;   \
+  mov 0x14 (%esp), %ebx;   \
+  int $0x80;               \
+  pop %ebx;                \
+  pop %esi;                \
+  pop %edi;                \
+  ret;
+
+/*
+ * mov syscall_no -> %eax
+ * mov arg1 -> %ebx
+ * mov arg2 -> %ecx
+ * int $0x80
+ * mov %eax -> ret
+ */
+#define SYSCALL_2 \
+  push %edi;               \
+  push %esi;               \
+  push %ebx;               \
+  mov 0x10 (%esp), %eax;   \
+  mov 0x14 (%esp), %ebx;   \
+  mov 0x18 (%esp), %ecx;   \
+  int $0x80;               \
+  pop %ebx;                \
+  pop %esi;                \
+  pop %edi;                \
+  ret;
+
+/*
+ * mov syscall_no -> %eax
+ * mov arg1 -> %ebx
+ * mov arg2 -> %ecx
+ * mov arg3 -> %edx
+ * int $0x80
+ * mov %eax -> ret
+ */
+#define SYSCALL_3 \
+  push %edi;               \
+  push %esi;               \
+  push %ebx;               \
+  mov 0x10 (%esp), %eax;   \
+  mov 0x14 (%esp), %ebx;   \
+  mov 0x18 (%esp), %ecx;   \
+  mov 0x1c (%esp), %edx;   \
+  int $0x80;               \
+  pop %ebx;                \
+  pop %esi;                \
+  pop %edi;               \
+  ret;
+
+#define _START             \
+   mov %esp, %eax;         \
+   add $4, %eax;           \
+   push %eax;              \
+   mov 0x4 (%esp), %eax;   \
+   push %eax;              \
+                           \
+   call main;              \
+                           \
+   push %eax;              \
+   call exit;              \
+   1:                      \
+   jmp 1b
+
+#endif /* !ASM_X86_H */