summaryrefslogtreecommitdiff
path: root/gen.h
diff options
context:
space:
mode:
authorMichael Pavone <pavone@retrodev.com>2014-02-24 09:55:24 -0800
committerMichael Pavone <pavone@retrodev.com>2014-02-24 09:55:24 -0800
commit98ce28ba0adb770e0ac29e1f9822b675ef914769 (patch)
tree81279df0c24103bf43b3a1d8425a826c8aed4685 /gen.h
parent14c0b3e916d866601311f9bbe53ab64ed560f67f (diff)
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
Diffstat (limited to 'gen.h')
-rw-r--r--gen.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/gen.h b/gen.h
new file mode 100644
index 0000000..cd6933e
--- /dev/null
+++ b/gen.h
@@ -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_