first commit

2010-04-16 10:33:04 +09:00 · 2010-04-16 10:33:04 +09:00 · cbb4ca2178
commit cbb4ca2178
45 changed files with 11548 additions and 0 deletions
--- a/test/jmp.cpp
+++ b/test/jmp.cpp
@ -0,0 +1,100 @@
+#include <stdio.h>
+#include "xbyak/xbyak.h"
+#define NUM_OF_ARRAY(x) (sizeof(x) / sizeof(x[0]))
+
+using namespace Xbyak;
+
+struct TestJmp : public CodeGenerator {
+	void putNop(int n)
+	{
+		for (int i = 0; i < n; i++) {
+			nop();
+		}
+	}
+/*
+     4                                  X0:
+     5 00000004 EBFE                    jmp short X0
+     6
+     7                                  X1:
+     8 00000006 <res 00000001>          dummyX1 resb 1
+     9 00000007 EBFD                    jmp short X1
+    10
+    11                                  X126:
+    12 00000009 <res 0000007E>          dummyX126 resb 126
+    13 00000087 EB80                    jmp short X126
+    14
+    15                                  X127:
+    16 00000089 <res 0000007F>          dummyX127 resb 127
+    17 00000108 E97CFFFFFF              jmp near X127
+    18
+    19 0000010D EB00                    jmp short Y0
+    20                                  Y0:
+    21
+    22 0000010F EB01                    jmp short Y1
+    23 00000111 <res 00000001>          dummyY1 resb 1
+    24                                  Y1:
+    25
+    26 00000112 EB7F                    jmp short Y127
+    27 00000114 <res 0000007F>          dummyY127 resb 127
+    28                                  Y127:
+    29
+    30 00000193 E980000000              jmp near Y128
+    31 00000198 <res 00000080>          dummyY128 resb 128
+    32                                  Y128:
+*/
+	TestJmp(int offset, bool isBack, bool isShort)
+	{
+		char buf[32];
+		static int count = 0;
+		if (isBack) {
+			sprintf(buf, "L(\"X%d\");\n", count);
+			L(buf);
+			putNop(offset);
+			jmp(buf);
+		} else {
+			sprintf(buf, "L(\"Y%d\");\n", count);
+			if (isShort) {
+				jmp(buf);
+			} else {
+				jmp(buf, T_NEAR);
+			}
+			putNop(offset);
+			L(buf);
+		}
+		count++;
+	}
+};
+
+int main()
+{
+	static const struct Tbl {
+		int offset;
+		bool isBack;
+		bool isShort;
+		const char *result;
+	} tbl[] = {
+		{ 0, true, true, "EBFE" },
+		{ 1, true, true, "EBFD" },
+		{ 126, true, true, "EB80" },
+		{ 127, true, false, "E97CFFFFFF" },
+		{ 0, false, true, "EB00" },
+		{ 1, false, true, "EB01" },
+		{ 127, false, true, "EB7F" },
+		{ 128, false, false, "E980000000" },
+	};
+	for (int i = 0; i < NUM_OF_ARRAY(tbl); i++) {
+		const Tbl *p = &tbl[i];
+		TestJmp jmp(p->offset, p->isBack, p->isShort);
+		const uint8 *q = (const uint8*)jmp.getCode();
+		char buf[32];
+		if (p->isBack) q += p->offset; /* skip nop */
+		for (int j = 0; j < jmp.getSize() - p->offset; j++) {
+			sprintf(&buf[j * 2], "%02X", q[j]);
+		}
+		if (strcmp(buf, p->result) != 0) {
+			printf("error %d assume:%s, err=%s\n", i, p->result, buf);
+		} else {
+			printf("ok %d\n", i);
+		}
+	}
+}