x86 code gen, initial work on translator

1 files changed, 92 insertions, 0 deletions

diff --git a/gen_x86.h b/gen_x86.h
new file mode 100644
index 0000000..c240919
--- /dev/null
+++ b/gen_x86.h
@@ -0,0 +1,92 @@
+#ifndef GEN_X86_H_
+#define GEN_X86_H_
+
+#include <stdint.h>
+
+enum {
+	RAX = 0,
+	RCX,
+	RDX,
+	RBX,
+	RSP,
+	RBP,
+	RSI,
+	RDI,
+	AH,
+	CH,
+	DH,
+	BH,
+	R8,
+	R9,
+	R10,
+	R11,
+	R12,
+	R13,
+	R14,
+	R15
+} x86_regs;
+
+enum {
+	CC_O = 0,
+	CC_NO,
+	CC_C,
+	CC_NC,
+	CC_Z,
+	CC_NZ,
+	CC_BE,
+	CC_A,
+	CC_S,
+	CC_NS,
+	CC_P,
+	CC_NP,
+	CC_L,
+	CC_GE,
+	CC_LE,
+	CC_G
+} x86_cc;
+
+enum {
+	SZ_B = 0,
+	SZ_W,
+	SZ_D,
+	SZ_Q
+} x86_size;
+
+uint8_t * add_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * or_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * xor_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * and_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * sub_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * cmp_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * add_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * or_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * xor_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * and_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * sub_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * cmp_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * add_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * or_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * xor_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * and_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * sub_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * cmp_i32r(uint8_t * out, int32_t val, uint8_t dst);
+uint8_t * mov_rr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * mov_rrdisp8(uint8_t * out, uint8_t src, uint8_t dst_base, int8_t disp, uint8_t size);
+uint8_t * mov_rdisp8r(uint8_t * out, uint8_t src_base, int8_t disp, uint8_t dst, uint8_t size);
+uint8_t * mov_rrind(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * mov_rindr(uint8_t * out, uint8_t src, uint8_t dst, uint8_t size);
+uint8_t * mov_i8r(uint8_t * out, uint8_t val, uint8_t dst);
+uint8_t * mov_i16r(uint8_t * out, uint16_t val, uint8_t dst);
+uint8_t * mov_i32r(uint8_t * out, uint32_t val, uint8_t dst);
+uint8_t * pushf(uint8_t * out);
+uint8_t * popf(uint8_t * out);
+uint8_t * push_r(uint8_t * out, uint8_t reg);
+uint8_t * pop_r(uint8_t * out, uint8_t reg);
+uint8_t * setcc_r(uint8_t * out, uint8_t cc, uint8_t dst);
+uint8_t * setcc_rind(uint8_t * out, uint8_t cc, uint8_t dst);
+uint8_t * jcc(uint8_t * out, uint8_t cc, int32_t disp);
+uint8_t * call(uint8_t * out, uint8_t * fun);
+uint8_t * retn(uint8_t * out);
+
+#endif //GEN_X86_H_
+