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diff gen.h @ 563:c8fefa140c80

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Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
author Michael Pavone <pavone@retrodev.com>
date Mon, 24 Feb 2014 09:55:24 -0800
parents
children 76bba9ffe351
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gen.h	Mon Feb 24 09:55:24 2014 -0800
@@ -0,0 +1,22 @@
+#ifndef GEN_H_
+#define GEN_H_
+#include <stdint.h>
+
+#if defined(X86_64) || defined(X86_32)
+typedef uint8_t code_word;
+#define RESERVE_WORDS 5 //opcode + 4-byte displacement
+#else
+typedef uint32_t code_word;
+#define RESERVE_WORDS 4 //1 push + 1 ldr + 1bx + 1 constant
+#endif
+typedef code_word * code_ptr;
+#define CODE_ALLOC_SIZE (1024*1024)
+
+typedef struct {
+	code_ptr cur;
+	code_ptr last;
+} code_info;
+
+void init_code_info(code_info *code);
+
+#endif //GEN_H_