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First stage of dynamic recompiler rewrite.

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Basic IR generation calls C implementation of all instructions.
Backend generation implemented for x86, x86-64, ARM and ARM64.
This commit is contained in:
SarahW 2018-06-17 20:26:15 +01:00
commit 03fe25d818
46 changed files with 4134 additions and 17767 deletions
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65
src/codegen_backend.h Normal file
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//#ifdef __amd64__
//#include "codegen_x86-64.h"
#if defined i386 || defined __i386 || defined __i386__ || defined _X86_ || defined WIN32 || defined _WIN32 || defined _WIN32
#include "codegen_backend_x86.h"
#elif defined __amd64__
#include "codegen_backend_x86-64.h"
#elif defined __ARM_EABI__
#include "codegen_backend_arm.h"
#elif defined __aarch64__
#include "codegen_backend_arm64.h"
#else
#error Dynamic recompiler not implemented on your platform
#endif
void codegen_backend_init();
void codegen_backend_prologue(codeblock_t *block);
void codegen_backend_epilogue(codeblock_t *block);
static inline void addbyte(uint8_t val)
{
codeblock[block_current].data[block_pos++] = val;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addword(uint16_t val)
{
*(uint16_t *)(void *)&codeblock[block_current].data[block_pos] = val;
block_pos += 2;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addlong(uint32_t val)
{
*(uint32_t *)&codeblock[block_current].data[block_pos] = val;
block_pos += 4;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
static inline void addquad(uint64_t val)
{
*(uint64_t *)&codeblock[block_current].data[block_pos] = val;
block_pos += 8;
if (block_pos >= BLOCK_MAX)
{
CPU_BLOCK_END();
}
}
struct ir_data_t;
struct uop_t;
struct ir_data_t *codegen_get_ir_data();
typedef int (*uOpFn)(codeblock_t *codeblock, struct uop_t *uop);
extern const uOpFn uop_handlers[];