-#include "osecpu.h"
+#include "osecpu.h"
+#include "jitc.h"
-#define JITC_ERR_MASK 255
-#define JITC_ERR_PHASE0ONLY 256
-#define JITC_ERR_REGNUM (1 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_DST1 (2 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_OPECODE (3 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_LABELNUM (4 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_LABELREDEF (5 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_PREFIX (6 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_LABELNODEF 7
-#define JITC_ERR_LABELTYP 8
-#define JITC_ERR_IDIOM 9
-#define JITC_ERR_PREGNUM (10 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_SRC1 (11 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_BADTYPE (12 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_PREFIXFAR (13 | JITC_ERR_PHASE0ONLY)
-#define JITC_ERR_INTERNAL 99
+//
+// JITC common functions (architecture not dependent)
+//
-void errorHandler(struct Regs *r)
+void errorHandler(HOSECPU_RuntimeEnvironment *r)
{
puts("security error! abort...");
printf("debugInfo0=%d, debugInfo1=%d\n", r->debugInfo0, r->debugInfo1);
int jitCompCmdLen(const unsigned char *src)
{
+ //BCode命令長を取得する
int i = 1;
- if (0x01 <= *src && *src < 0x04) i = 6;
- if (*src == 0x04) i = 2;
- if (0x08 <= *src && *src < 0x0d) i = 8 + src[7] * 4;
- if (0x0e <= *src && *src < 0x10) i = 8;
- if (0x10 <= *src && *src < 0x2e) i = 4;
- if (0x1c <= *src && *src < 0x1f) i = 3;
- if (*src == 0x1f) i = 11;
- if (*src == 0x2f) i = 4 + src[1];
- if (0x30 <= *src && *src <= 0x33) i = 4;
- if (0x3c <= *src && *src <= 0x3d) i = 7;
- if (*src == 0xfe) i = 2 + src[1];
- return i;
-}
-#if (JITC_ARCNUM == 0x0001) /* x86-32bit */
-
-/* 他のCPUへ移植する人へ:
-以下は最適化のためのものなので、すべて0として簡単に移植しても問題ありません */
-#define jitCompA0001_USE_R3F_CMPJMP 1*1
-#define jitCompA0001_USE_R3F_IMM32 1*1
-#define jitCompA0001_USE_R3F_IMM8 1*1
-#define jitCompA0001_USE_R3F_INCDEC 1*1
-#define jitCompA0001_OPTIMIZE_JMP 1*1
-#define jitCompA0001_OPTIMIZE_MOV 1*1 /* 1にすると速度低下する？ */
-#define jitCompA0001_OPTIMIZE_CMP 1*1
-#define jitCompA0001_OPTIMIZE_ALIGN 4*1 /* 0-8を想定 */
-#define jitCompA0001_EBP128 128*1
-
-struct JitCompWork {
- unsigned char *dst, *dst0;
- int err, maxLabels;
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- int r3f;
-#endif
- char prefix; //CND命令の値を記録(初期値=0)
-};
-
-#define jitCompPutByte1(p, c0) *p++ = c0
-#define jitCompPutByte2(p, c0, c1) *p++ = c0; *p++ = c1
-#define jitCompPutByte3(p, c0, c1, c2) *p++ = c0; *p++ = c1; *p++ = c2
-#define jitCompPutByte4(p, c0, c1, c2, c3) *p++ = c0; *p++ = c1; *p++ = c2; *p++ = c3
-
-static void jitCompPutImm32(struct JitCompWork *w, int i)
-{
- jitCompPutByte1(w->dst, i & 0xff);
- jitCompPutByte1(w->dst, (i >> 8) & 0xff);
- jitCompPutByte1(w->dst, (i >> 16) & 0xff);
- jitCompPutByte1(w->dst, (i >> 24) & 0xff);
- return;
-}
-
-int jitCompGetImm32(const unsigned char *src)
-{
- return (src[0] << 24) | (src[1] << 16) | (src[2] << 8) | src[3];
-}
-
-int jitCompGetLabelNum(struct JitCompWork *w, const unsigned char *src)
-{
- int i = jitCompGetImm32(src);
- if (i < 0 || i >= w->maxLabels) {
- w->err = JITC_ERR_LABELNUM;
- i = 0;
- }
- return i;
-}
-
-void jitCompA0001_85DispN(struct JitCompWork *w, int disp, int n)
-{
- disp -= jitCompA0001_EBP128;
- if (-128 <= disp && disp <= 127) {
- jitCompPutByte2(w->dst, 0x45 | (n << 3), disp & 0xff);
- }
- else {
- jitCompPutByte1(w->dst, 0x85 | (n << 3));
- jitCompPutImm32(w, disp);
- }
- return;
-}
-
-void jitCompA0001_movEbpDispReg32(struct JitCompWork *w, int disp, int reg32)
-{
- jitCompPutByte1(w->dst, 0x89); /* MOV(mem, reg32); */
- jitCompA0001_85DispN(w, disp, reg32);
- return;
-}
-
-void jitCompA0001_movReg32EbpDisp(struct JitCompWork *w, int reg32, int disp)
-{
- jitCompPutByte1(w->dst, 0x8b); /* MOV(reg32, mem); */
- jitCompA0001_85DispN(w, disp, reg32);
- return;
-}
-
-void jitCompA0001_movEaxRxx(struct JitCompWork *w, int rxx)
-{
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (rxx == 0x3f) {
- jitCompPutByte1(w->dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(w, w->r3f);
- return;
- }
-#endif
- if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
- jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, rxx * 4); /* MOV(EAX, [EBP+?]); */
- return;
-}
-
-void jitCompA0001_movRxxEax(struct JitCompWork *w, int rxx)
-{
- if (rxx >= 0x40 || rxx < 0) w->err = JITC_ERR_REGNUM;
- jitCompA0001_movEbpDispReg32(w, rxx * 4, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- return;
-}
-
-void jitCompA0001_fixPrefix(struct JitCompWork *w)
-{
- if (w->prefix != 0) {
- if (w->dst - w->dst0 > 127) w->err = JITC_ERR_REGNUM;
- w->dst0[-1] = (unsigned char)((w->dst - w->dst0) & 0xff);
- }
- return;
-}
-
-void jitCompA0001_checkCompPtr(struct JitCompWork *w, int p0, int p1)
-{
- if (p0 >= 0x3f || p0 < 0) w->err = JITC_ERR_PREGNUM;
- if (p1 >= 0x3f || p1 < 0) w->err = JITC_ERR_PREGNUM;
- /* 比較可能可能なのかのチェックのコードを出力 */ /* 未完成 */
- return;
-}
-
-void jitCompA000_loadRegCacheAll(struct JitCompWork *w)
-{
- jitCompA0001_movReg32EbpDisp(w, 3 /* EBX */, 0 * 4); /* EBX = R00; */
- jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
- jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
- return;
-}
-
-void jitCompA000_storeRegCacheAll(struct JitCompWork *w)
-{
- jitCompA0001_movEbpDispReg32(w, 0 * 4, 3 /* EBX */); /* R00 = EBX; */
- jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
- jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
- return;
-}
-
-void jitCompA000_loadRegCacheEcx(struct JitCompWork *w)
-{
- jitCompA0001_movReg32EbpDisp(w, 1 /* ECX */, 1 * 4); /* ECX = R01; */
- return;
-}
-
-void jitCompA000_storeRegCacheEcx(struct JitCompWork *w)
-{
- jitCompA0001_movEbpDispReg32(w, 1 * 4, 1 /* ECX */); /* R01 = ECX; */
- return;
-}
-
-void jitCompA000_loadRegCacheEdx(struct JitCompWork *w)
-{
- jitCompA0001_movReg32EbpDisp(w, 2 /* EDX */, 2 * 4); /* EDX = R02; */
- return;
-}
-
-void jitCompA000_storeRegCacheEdx(struct JitCompWork *w)
-{
- jitCompA0001_movEbpDispReg32(w, 2 * 4, 2 /* EDX */); /* R02 = EDX; */
- return;
-}
-
-int jitCompA000_selectRegCache(int rxx, int reg)
-{
- if (rxx == 0) reg = 3; /* EBX */
- if (rxx == 1) reg = 1; /* ECX */
- if (rxx == 2) reg = 2; /* EDX */
- return reg;
-}
-
-void jitCompA000_loadPRegCacheAll(struct JitCompWork *w)
-{
- // jitCompA0001_movReg32EbpDisp(w, 5 /* EBP */, 256 + 0 * 32 + 0); /* EBP = P00; */
- jitCompA0001_movReg32EbpDisp(w, 6 /* ESI */, 256 + 1 * 32 + 0); /* ESI = P01; */
- jitCompA0001_movReg32EbpDisp(w, 7 /* EDI */, 256 + 2 * 32 + 0); /* EDI = P02; */
- return;
-}
-
-void jitCompA000_storePRegCacheAll(struct JitCompWork *w)
-{
- // jitCompA0001_movEbpDispReg32(w, 256 + 0 * 32 + 0, 5 /* EBP */); /* P00 = EBP; */
- jitCompA0001_movEbpDispReg32(w, 256 + 1 * 32 + 0, 6 /* ESI */); /* P01 = ESI; */
- jitCompA0001_movEbpDispReg32(w, 256 + 2 * 32 + 0, 7 /* EDI */); /* P02 = EDI; */
- return;
-}
-
-int jitCompA000_selectPRegCache(int pxx, int reg)
-{
- // if (pxx == 0) reg = 5; /* EBP */
- if (pxx == 1) reg = 6; /* ESI */
- if (pxx == 2) reg = 7; /* EDI */
- return reg;
-}
-
-int jitCompA000_convTyp(int t)
-{
- int r = -1;
- if (1 <= t && t <= 7) r = t;
- if (8 <= t && t <= 13) r = 2 | (t & 1);
- if (14 <= t && t <= 15) r = 4 | (t & 1);
- if (16 <= t && t <= 21) r = 6 | (t & 1);
- return r;
-}
-
-int jitCompA000_dataWidth(int t)
-{
- int r = -1;
- if (t == 0x0001) r = 256;
- t >>= 1;
- if (t == 0x0002 / 2) r = 8;
- if (t == 0x0004 / 2) r = 16;
- if (t == 0x0006 / 2) r = 32;
- if (t == 0x0008 / 2) r = 4;
- if (t == 0x000a / 2) r = 2;
- if (t == 0x000c / 2) r = 1;
- if (t == 0x000e / 2) r = 12;
- if (t == 0x0010 / 2) r = 20;
- if (t == 0x0012 / 2) r = 24;
- if (t == 0x0014 / 2) r = 28;
- return r;
-}
-
-static unsigned char *errfnc;
-
-void jitCompA0001_checkType0(struct JitCompWork *w, int pxx, int typ, int ac)
-{
- if (typ <= 0) { w->err = JITC_ERR_BADTYPE; }
- if (typ > 0x7f) { w->err = JITC_ERR_INTERNAL; }
- jitCompA0001_movReg32EbpDisp(w, 0 /* EAX */, 256 + pxx * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */
- jitCompPutByte3(w->dst, 0x83, 0xf8, typ & 0x7f); /* CMP(EAX, ?); */
- jitCompPutByte2(w->dst, 0x0f, 0x85); /* JNE */
- jitCompPutImm32(w, errfnc - (w->dst + 4));
- return;
-}
-
-void jitCompA0001_checkType(struct JitCompWork *w, int pxx, int typ, int ac)
-// data用.
-// 将来的にはaliveやアクセス権チェックも入れる
-{
- jitCompA0001_checkType0(w, pxx, typ, ac);
- return;
-}
-
-void jitCompA0001_checkLimit(struct JitCompWork *w, int reg, int pxx)
-{
- jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */
- jitCompA0001_85DispN(w, 256 + pxx * 32 + 8, reg); /* p0 */
- jitCompPutByte2(w->dst, 0x0f, 0x82); /* JB */
- jitCompPutImm32(w, errfnc - (w->dst + 4));
- jitCompPutByte1(w->dst, 0x3b); /* CMP(reg, [EBP+?]); */
- jitCompA0001_85DispN(w, 256 + pxx * 32 + 12, reg); /* p1 */
- jitCompPutByte2(w->dst, 0x0f, 0x83); /* JAE */
- jitCompPutImm32(w, errfnc - (w->dst + 4));
- return;
-}
-
-void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
-void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0);
-void funcf4(char *ebp, int pxx, int typ, int len);
-void funcf5(char *ebp, int pxx, int typ, int len); // pxxはダミーで参照されない.
-void funcf6(char *ebp, int pxx, int typ, int len);
-void funcf7(char *ebp, int pxx, int typ, int len); // typとlenはダミーで参照されない.
-// F5の場合、decoderが対応するalloc-freeを結びつけるのが簡単で、typやlenを指定必須にしてもフロントエンドコードに影響はない.
-
-void errHndl(struct Regs *r);
-
-/*
- * dst : 現在の書き込みアドレス。
- * dst1 : 書き込みアドレスの最大値
- * src : 現在の読み込みアドレス(ヘッダ部は飛ばしてある
- * src1 : 読み込みアドレスの最大値
- * src0 : 読み込みバイナリのアドレス
- */
-int jitCompiler(unsigned char *dst, unsigned char *dst1, const unsigned char *src, const unsigned char *src1, const unsigned char *src0, struct LabelTable *label, int maxLabels, int level, int debugInfo1, int flags)
-/* IA-32用 */
-/* 本来ならこのレイヤでは文法チェックしない */
-{
- struct JitCompWork w;
- unsigned char *dst00 = dst, *enter0 = NULL, *tmp_ucp;
- char *errmsg = "";
- const unsigned char *oldsrc;
- int timecount = 0, i, j = 0, lastlabel = -1, debugInfo0 = -1;
- int reg0, reg1, reg2, cmp0reg = -1, cmp0lev = 0;
- w.dst = w.dst0 = dst;
- w.err = 0;
- w.maxLabels = maxLabels;
-
- if ((flags & JITC_NOSTARTUP) == 0) {
- jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
- jitCompA000_loadRegCacheAll(&w); /* start-up */
- jitCompA000_loadPRegCacheAll(&w);
- }
- if (level <= JITC_LV_SLOWER) {
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
- jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, debugInfo1);
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
- }
- while (src < src1) {
- w.prefix = 0; //0x04 CND 命令で変更される
- if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; goto err_w; } // 書き込み領域が残り256バイト未満ならエラー
- timecount++;
- if (timecount >= 64) {
- timecount -= 64;
- /* 未完成(timeoutチェックコードを入れる) */
- }
- prefix_continue: // CND命令実行後ここに戻る
- switch (*src) {
-
- case 0x00: /* NOP */
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; } // 「条件付きでNOPを実行」するなんて、矛盾している!
- break;
-
- case 0x01: /* LB */
-
- /*
- * LB : ラベル設置命令。(6byte)
- * ・prefex = 1にする
- * ・timecount++し、timecountのチェックをする。
- * ・ラベル位置を登録する。
- * ・割り込みがある場合、このタイミングで割り込みを発生させる。
- *
- * 1 2 3 456
- * LB 01 opt imm32
- *
- */
-
- if (enter0 == NULL && (src[6] == 0x3c /* 多数のレジスタをスタックに退避 */ || (src[6] == 0xfe/* REMARK */ && src[7] == 0x01 && src[9] == 0x3c))) { //beginFunc()中のLB
- // LB命令の後に0x3C命令・・・beginFunc()
- jitCompPutByte1(w.dst, 0xe9); // (x86) JMP rel32 : 次の命令との相対オフセットだけ相対ニアジャンプする
- enter0 = w.dst;
- jitCompPutImm32(&w, 0); // 飛び相対座標が0 ・・・パイプラインのフラッシュ??
- }
- if (src[6] == 0x34) { // LBの次の命令がDATA ・・・DAT_SA0(label, typ32, length) ・・・メモリ確保命令
- tmp_ucp = w.dst;
- jitCompPutByte1(w.dst, 0xe9); // (x86) JMP rel32 : 次の命令との相対オフセットだけ相対ニアジャンプする
- i = jitCompGetImm32(&src[7]); // type32 を取得
- j = 32;
- if (i != 1) {
- i = jitCompA000_convTyp(i);
- j = 0;
- if (i == 2 || i == 3) { j = 1; }
- if (i == 4 || i == 5) { j = 2; }
- if (i == 6 || i == 7) { j = 4; }
- }
- j *= jitCompGetImm32(&src[11]);
- if (j <= 0) w.err = JITC_ERR_BADTYPE;
- jitCompPutImm32(&w, j);
-#if (jitCompA0001_OPTIMIZE_JMP != 0)
- if (j <= 127 - jitCompA0001_OPTIMIZE_ALIGN) {
- w.dst -= 5;
- jitCompPutByte2(w.dst, 0xeb, j);
- }
-#endif
- }
-#if (jitCompA0001_OPTIMIZE_ALIGN != 0)
- for (;;) {
- i = ((int)w.dst) & (jitCompA0001_OPTIMIZE_ALIGN - 1); /* ALIGNで割ったあまりを計算 */
- if (i == 0) break;
- i = jitCompA0001_OPTIMIZE_ALIGN - i;
- if (i == 1) { jitCompPutByte1(w.dst, 0x90); j += i; } /* NOP(); */
- if (i == 2) { jitCompPutByte2(w.dst, 0x89, 0xc0); j += i; } /* MOV(EAX, EAX); */
- if (i == 3) { jitCompPutByte3(w.dst, 0x8d, 0x76, 0x00); j += i; } /* LEA(ESI, [ESI+0]); */
- if (i == 4) { jitCompPutByte4(w.dst, 0x8d, 0x74, 0x26, 0x00); j += i; } /* LEA(ESI, [ESI*1+0]); */
- if (i == 5) { jitCompPutByte1(w.dst, 0x0d); jitCompPutImm32(&w, 0); j += i; } /* OR(EAX, 0); */
- if (i == 6) { jitCompPutByte2(w.dst, 0x8d, 0xb6); jitCompPutImm32(&w, 0); j += i; } /* LEA(ESI, [ESI+0]); */
- if (i >= 7) { jitCompPutByte3(w.dst, 0x8d, 0xb4, 0x26); jitCompPutImm32(&w, 0); j += 7; } /* LEA(ESI, [ESI*1+0]); */
- }
-#endif
- if (src[6] == 0x34) {
- tmp_ucp[1] = j & 0xff;
- if (*tmp_ucp == 0xe9) {
- tmp_ucp[2] = (j >> 8) & 0xff;
- tmp_ucp[3] = (j >> 16) & 0xff;
- tmp_ucp[4] = (j >> 24) & 0xff;
- }
- }
- if ((flags & JITC_PHASE1) == 0) {
- i = jitCompGetLabelNum(&w, src + 2);
- //printf("i=%06X %06X\n", i, src-src0);
- if (label[i].opt != 0 && w.err == 0) { w.err = JITC_ERR_LABELREDEF; goto err_w; }
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
- label[i].opt = src[1] + 1;
- label[i].typ = 0; /* TYP_CODE */
- label[i].p = w.dst;
- label[i].p1 = w.dst + 1;
- lastlabel = i;
- }
- cmp0reg = -1;
- timecount = 0;
- /* 未完成(timeoutチェックコードを入れる) */
- break;
-
- case 0x02: /* LIMM */
-
- /*
- * LIMM : 定数即値代入命令(6byte)
- *
- * 1 2 3456
- * 02 reg0R imm32
- *
- * ・reg3F は条件比較慣用句指定用＆演算命令即値慣用句指定用。よってCND命令の直後では使用できない。
- */
-
- if (src[1] == 0x3f && w.prefix != 0) w.err = JITC_ERR_PREFIX; // CND命令の直後でR3Fを書き換えるなんて変だよね
-
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[1] == 0x3f) { // R3Fへの代入は例外敵に、 w.r3f を使用
- w.r3f = jitCompGetImm32(src + 2);
- break;
- }
-#endif
- i = jitCompGetImm32(src + 2); // 与えられた即値(第二引数)を取得
-
- /* R00-R02 なら EBX, ECX, EDX 、それ以外なら EAX のレジスタIDを reg0 に代入 */
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
-
-#if (jitCompA0001_OPTIMIZE_MOV != 0)
- if (i == 0) {
- jitCompPutByte2(w.dst, 0x31, 0xc0 | reg0 << 3 | reg0); /* XOR(reg0, reg0); */
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#endif
-
- /* reg0 のレジスタに対応したMOV命令を発行 */
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); == 10111000b+wr imm32 */
- jitCompPutImm32(&w, i);
-
- if (reg0 == 0) // R03以降の、レジスタの内容をメモリ上に格納してエミュレートする場合
-
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
-
- case 0x03: /* PLIMM */ /* 未完成(plsまで対応) */
-
- /*
- * PLIMM : ラベル番号代入命令(6byte)
- *
- * 1 2 3456
- * 03 PXX imm32
- *
- * ・P28 はAPI用
- * ・P3F はプログラムカウンタ
- */
-
- i = jitCompGetLabelNum(&w, src + 2); // Pxxに代入するラベルの番号(第二引数)
- if ((flags & JITC_PHASE1) != 0 && w.err == 0) { // Phase 1であるならば
- if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; } // 指定されたラベル番号は存在しない
- if (src[1] != 0x3f && label[i].opt != 2) { w.err = JITC_ERR_LABELTYP; goto err_w; } //
- if (src[1] == 0x3f && label[i].typ != 0) { w.err = JITC_ERR_LABELTYP; goto err_w; } // プログラムカウンタに TYP_CODEでない値は代入できない
- }
- if (src[1] == 0x3f) { // プログラムカウンタへの代入なら
- if (w.prefix == 0) { // CND命令による条件付きでなければ、即座に移動
- jitCompPutByte1(w.dst, 0xe9); /* JMP(?); */
- }
- else { // 直前はCND命令。
-
- /*
- * CND命令
- * 1 2
- * 04 reg0R
- *
- * いま、dstの末端はJZ命令になっている。 0x0F 0x84 cd
- */
-
- // JZのとび先アドレスの書き換え?
- w.dst[-1] = w.dst[-2] ^ 0xf1; /* 74->85, 75->84 */
- w.dst[-2] = 0x0f;
-
- w.prefix = 0;
- }
- j = 0;
- if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0)) // label番号iが確保されていれば (このif文は意味をなさない)
- j = label[i].p - (w.dst + 4); // j はとび先の相対番地
- jitCompPutImm32(&w, j); // JMP もしくは JZ 命令のアドレス部を記述
-#if (jitCompA0001_OPTIMIZE_JMP != 0)
- if (-128 - 3 <= j && j < 0) {
- if (w.dst[-5] == 0xe9) {
- j += 3;
- w.dst -= 5;
- jitCompPutByte1(w.dst, 0xeb); /* JMP(?); */
- }
- else {
- j += 4;
- w.dst -= 6;
- jitCompPutByte1(w.dst, w.dst[1] ^ 0xf0);
- }
- jitCompPutByte1(w.dst, j & 0xff);
- }
-#endif
- }
- else { // プログラムカウンタ以外への代入
-
- // 代入先が P01, P02なら ESI, EDI,それ以外ならEAXを指定
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
- jitCompPutImm32(&w, (int)label[i].p); // ラベルのパスを各レジスタに代入
-
- // レジスタへの代入をメモリでエミュレーションする場合は、スタックに積む。
- if (reg0 == 0)
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32, 0); /* MOV([EBP+?], EAX); */
-
- if (level < JITC_LV_FASTEST) {
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 8, reg0); /* MOV([EBP+?], reg0); */ /* p0 */
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, label[i].typ);
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 4, 0); /* MOV([EBP+?], EAX); */ /* typ */
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, (int)label[i].p1);
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 12, 0); /* MOV([EBP+?], EAX); */ /* p1 */
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 16, 0); /* MOV([EBP+?], EAX); */ /* liveSign */
- jitCompA0001_movReg32EbpDisp(&w, 0, 2320); /* MOV(EAX, ptrCtrl); */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 20, 0); /* MOV([EBP+?], EAX); */ /* pls */
- }
- }
- break;
-
- case 0x04: /* CND (prefix) */
- if (src[1] >= 0x40) w.err = JITC_ERR_REGNUM; // R00-R3F 以外のレジスタは比較対象にできない
-
- // 比較対象のレジスタがメモリ上にあれば-1, それ以外なら適切なレジスタ番号を返す
- reg0 = jitCompA000_selectRegCache(src[1], -1 /* mem */);
-
- /* TEST命令を発行 */
- if (reg0 < 0) { //比較対象のレジスタはメモリ上にある
- jitCompPutByte1(w.dst, 0xf7); /* TEST([EBP+?],1); */
- jitCompA0001_85DispN(&w, src[1] * 4, 0);
- }
- else {
- jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); /* TEST(reg0,1); */
- }
- jitCompPutImm32(&w, 1);
-
- /* JZ命令を発行 */
- jitCompPutByte2(w.dst, 0x74, 0x00); /* JZ($+2) */
- cmp0reg = -1;
- if (w.err != 0) goto err_w;
- src += 2;
- w.prefix = 1; // プリフィックスをセット
- w.dst0 = w.dst;
- goto prefix_continue;
-
- case 0x08: /* LMEM */ /* 完成 */
- i = jitCompGetImm32(src + 2);
- if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
- if (level < JITC_LV_FASTER) {
- jitCompA0001_checkType(&w, src[6], i, 0); // read
- cmp0reg = -1;
- }
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
- if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
- reg1 = 0; /* EAX */
- if (reg1 == 2 /* EDX */)
- jitCompA000_storeRegCacheEdx(&w);
- if (reg1 <= 3 /* EAX, EDX */)
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
- if (level < JITC_LV_FASTER)
- jitCompA0001_checkLimit(&w, reg1, src[6]);
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
- switch (i) {
- case 0x0002:
- jitCompPutByte3(w.dst, 0x0f, 0xbe, reg0 << 3 | reg1); /* MOVSX(reg0,BYTE [reg1]); */
- break;
- case 0x0003:
- jitCompPutByte3(w.dst, 0x0f, 0xb6, reg0 << 3 | reg1); /* MOVZX(reg0,BYTE [reg1]); */
- break;
- case 0x0004:
- jitCompPutByte3(w.dst, 0x0f, 0xbf, reg0 << 3 | reg1); /* MOVSX(reg0,WORD [reg1]); */
- break;
- case 0x0005:
- jitCompPutByte3(w.dst, 0x0f, 0xb7, reg0 << 3 | reg1); /* MOVZX(reg0,WORD [reg1]); */
- break;
- case 0x0006:
- case 0x0007:
- jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
- break;
- default:
- w.err = JITC_ERR_BADTYPE;
- }
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movRxxEax(&w, src[1]);
- if (reg1 == 2 /* EDX */)
- jitCompA000_loadRegCacheEdx(&w);
- break;
-
- case 0x09: /* SMEM */ /* 完成 */
- i = jitCompGetImm32(src + 2);
- if (i == 0x0001) w.err = JITC_ERR_BADTYPE;
- if (level < JITC_LV_FASTER) {
- jitCompA0001_checkType(&w, src[6], i, 1); // write
- cmp0reg = -1;
- }
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
- if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */)
- reg1 = 0; /* EAX */
- if (reg1 == 2 /* EDX */)
- jitCompA000_storeRegCacheEdx(&w);
- if (reg1 <= 3 /* EAX, EDX */)
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
- if (level < JITC_LV_FASTER)
- jitCompA0001_checkLimit(&w, reg1, src[6]);
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movEaxRxx(&w, src[1]);
- /* 値の範囲チェック */
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
- switch (i) {
- case 0x0002:
- case 0x0003:
- jitCompPutByte2(w.dst, 0x88, reg0 << 3 | reg1); /* MOV([reg1], BYTE(reg0)); */
- break;
- case 0x0004:
- case 0x0005:
- jitCompPutByte3(w.dst, 0x66, 0x89, reg0 << 3 | reg1); /* MOV([reg1], WORD(reg0)); */
- break;
- case 0x0006:
- case 0x0007:
- jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
- break;
- default:
- w.err = JITC_ERR_BADTYPE;
- }
- if (reg1 == 2 /* EDX */)
- jitCompA000_loadRegCacheEdx(&w);
- break;
-
- case 0x0a: /* PLMEM */ /* 完成 */
- i = jitCompGetImm32(src + 2);
- if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
- if (level < JITC_LV_FASTER) {
- jitCompA0001_checkType(&w, src[6], i, 0); // read
- cmp0reg = -1;
- }
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
- // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
- // reg1 = 0; /* EAX */
- if (reg0 == reg1 && reg0 != 0) { // bugfix: hinted by yao, 2013.09.14. thanks!
- jitCompA000_storePRegCacheAll(&w);
- reg1 = 2; /* EDX */
- }
- if (reg1 == 2 /* EDX */)
- jitCompA000_storeRegCacheEdx(&w);
- if (reg1 <= 3 /* EAX, EDX */)
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
- if (level < JITC_LV_FASTER)
- jitCompA0001_checkLimit(&w, reg1, src[6]);
- jitCompPutByte2(w.dst, 0x8b, reg0 << 3 | reg1); /* MOV(reg0, [reg1]); */
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0); /* MOV([EBP+?], EAX); */
- for (i = 4; i < 32; i += 4) {
- jitCompPutByte3(w.dst, 0x8b, 0x40 | reg1, i); /* MOV(EAX, [reg1+?]); */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- }
- if (reg1 == 2 /* EDX */)
- jitCompA000_loadRegCacheEdx(&w);
- break;
-
- case 0x0b: /* PSMEM */ /* 完成 */
- i = jitCompGetImm32(src + 2);
- if (i != 0x0001) w.err = JITC_ERR_BADTYPE;
- if (level < JITC_LV_FASTER) {
- jitCompA0001_checkType(&w, src[6], i, 1); // write
- cmp0reg = -1;
- }
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectPRegCache(src[6], 2 /* EDX */);
- // if (reg0 != 0 /* EAX */ && reg1 == 2 /* EDX */) /* これをやってはいけない！(by K, 2013.08.02) */
- // reg1 = 0; /* EAX */
- if (reg1 == 2 /* EDX */)
- jitCompA000_storeRegCacheEdx(&w);
- if (reg1 <= 3 /* EAX, EDX */)
- jitCompA0001_movReg32EbpDisp(&w, reg1, 256 + src[6] * 32 + 0); /* MOV(reg1, [EBP+?]); */
- if (level < JITC_LV_FASTER)
- jitCompA0001_checkLimit(&w, reg1, src[6]);
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[1] * 32 + 0); /* MOV(reg0, [EBP+?]); */
- jitCompPutByte2(w.dst, 0x89, reg0 << 3 | reg1); /* MOV([reg1], reg0); */
- for (i = 4; i < 32; i += 4) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[1] * 32 + i); /* MOV(EAX, [EBP+?]); */
- jitCompPutByte3(w.dst, 0x89, 0x40 | reg1, i); /* MOV([reg1+?], EAX); */
- }
- if (reg1 == 2 /* EDX */)
- jitCompA000_loadRegCacheEdx(&w);
- break;
-
- case 0x0e: /* PADD */ /* 完成 */
- if (level < JITC_LV_FASTER) {
- jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 2), 2); // other, aliveテストはとりあえずしない.
- cmp0reg = -1;
- }
- reg0 = jitCompA000_selectPRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectPRegCache(src[6], -1 /* mem */);
- if (reg1 < 0 /* mem */)
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
- if (reg1 >= 0 && reg0 != reg1) {
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
- }
- i = jitCompGetImm32(src + 2);
- j = -1;
- if (i == 1)
- j = 5; /* 32 */
- else {
- i = jitCompA000_convTyp(i);
- if (0x0002 <= i && i <= 0x0007)
- j = (i - 0x0002) >> 1;
- }
- if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[7] == 0x3f) {
- j = w.r3f << j;
-#if (jitCompA0001_USE_R3F_IMM8 != 0)
- if (-0x80 <= j && j <= 0x7f) {
-#if (jitCompA0001_USE_R3F_INCDEC != 0)
- if (j == 1) { jitCompPutByte1(w.dst, 0x40 | reg0); goto padd1; } /* INC */
- if (j == -1) { jitCompPutByte1(w.dst, 0x48 | reg0); goto padd1; } /* DEC */
-#endif
- jitCompPutByte3(w.dst, 0x83, 0xc0 | reg0, j & 0xff); /* ADD(reg0, im8); */
- goto padd1;
- }
-#endif
- if (reg0 == 0) {
- jitCompPutByte1(w.dst, 0x05); /* ADD(reg0, ?); */
- }
- else {
- jitCompPutByte2(w.dst, 0x81, 0xc0 | reg0); /* ADD(reg0, ?); */
- }
- jitCompPutImm32(&w, j);
- goto padd1;
- }
-#endif
- if (src[7] >= 0x40) w.err = JITC_ERR_REGNUM;
- if (j == 0) {
- reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
- if (reg1 >= 0) {
- jitCompPutByte2(w.dst, 0x01, 0xc0 | reg1 << 3 | reg0); /* ADD(reg0, reg1); */
- }
- else {
- jitCompPutByte1(w.dst, 0x03); /* ADD(reg0, [EBP+?]); */
- jitCompA0001_85DispN(&w, src[7] * 4, reg0);
- }
- }
- else {
- reg1 = jitCompA000_selectRegCache(src[7], -1 /* mem */);
- reg2 = 2; /* EDX */
- jitCompA000_storeRegCacheEdx(&w);
- if (reg1 < 0)
- jitCompA0001_movReg32EbpDisp(&w, reg2, src[7] * 4); /* MOV(reg2, [EBP+?]); */
- if (reg1 >= 0 && reg1 != reg2) {
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg2); /* MOV(reg2, reg1); */
- }
- jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg2, j); /* SHL(reg2, ?); */
- jitCompPutByte2(w.dst, 0x01, 0xc0 | reg2 << 3 | reg0); /* ADD(reg0, reg2); */
- jitCompA000_loadRegCacheEdx(&w);
- }
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- padd1:
-#endif
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, reg0); /* MOV([EBP+?], reg0); */
- if (src[1] != src[6]) {
- for (i = 4; i < 32; i += 4) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- }
- }
- cmp0reg = -1;
- break;
-
- case 0x0f: /* PDIF */ /* 未完成 */
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- jitCompA0001_checkCompPtr(&w, src[6], src[7]);
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[6] * 32 + 0); /* MOV(reg0, [EBP+?]); */
- jitCompPutByte1(w.dst, 0x2b); /* SUB(EAX, [EBP+?]); */
- jitCompA0001_85DispN(&w, 256 + src[7] * 32 + 0, reg0);
- i = jitCompA000_convTyp(jitCompGetImm32(src + 2));
- j = -1;
- if (0x0002 <= i && i <= 0x0007)
- j = (i - 0x0002) >> 1;
- if (j < 0) { w.err = JITC_ERR_BADTYPE; goto err_w; }
- if (j > 0) {
- jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, j); /* SAR(reg0,?); */
- }
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movRxxEax(&w, src[1]);
- cmp0reg = src[1]; cmp0lev = 1;
- break;
-
- case 0x10: /* OR */
- case 0x11: /* XOR */
- case 0x12: /* AND */
- case 0x14: /* ADD */
- case 0x15: /* SUB */
- case 0x16: /* MUL */
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[2] == 0x3f) { // SUBのみ該当.
- if (*src != 0x15) w.err = JITC_ERR_REGNUM;
- reg2 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
- if (reg2 >= 0)
- jitCompA000_storeRegCacheAll(&w);
- jitCompPutByte1(w.dst, 0xb8 | reg0); /* MOV(reg0, ?); */
- jitCompPutImm32(&w, w.r3f);
- jitCompPutByte1(w.dst, 0x2b);
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#endif
- if (reg1 < 0) {
- jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg0, [EBP+?]); */
- }
- if (reg1 >= 0 && reg0 != reg1) {
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
- }
- if (!(src[0] == 0x10 && src[3] == 0xff)) { // bugfix: hinted by Iris, 2013.06.26. thanks!
- cmp0reg = src[1];
- cmp0lev = 1;
- if (src[0] < 0x14)
- cmp0lev = 2;
- if (src[0] == 0x16)
- cmp0reg = -1;
- }
- if (!(src[0] == 0x10 && src[3] == 0xff)) {
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[3] == 0x3f) {
- if (*src == 0x16 && w.r3f == -1) {
- jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#if (jitCompA0001_USE_R3F_INCDEC != 0)
- if ((*src == 0x14 && w.r3f == 1) || (*src == 0x15 && w.r3f == -1)) {
- jitCompPutByte1(w.dst, 0x40 | reg0); /* INC(reg0); */
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
- if ((*src == 0x15 && w.r3f == 1) || (*src == 0x14 && w.r3f == -1)) {
- jitCompPutByte1(w.dst, 0x48 | reg0); /* DEC(reg0); */
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#endif
-#if (jitCompA0001_USE_R3F_IMM8 != 0)
- if (-0x80 <= w.r3f && w.r3f <= 0x7f) {
- if (*src != 0x16) {
- static unsigned char basic_op_table_im8[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
- jitCompPutByte3(w.dst, 0x83, basic_op_table_im8[*src - 0x10] | reg0, w.r3f & 0xff);
- }
- else {
- jitCompPutByte3(w.dst, 0x6b, 0xc0 | reg0 << 3 | reg0, w.r3f & 0xff);
- }
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#endif
- if (reg0 == 0 /* EAX */) {
- static unsigned char basic_op_table_im32_eax[] = { 0x0d, 0x35, 0x25, 0, 0x05, 0x2d, 0xc0 };
- if (*src == 0x16) { jitCompPutByte1(w.dst, 0x69); }
- jitCompPutByte1(w.dst, basic_op_table_im32_eax[*src - 0x10]);
- }
- else {
- if (*src != 0x16) {
- static unsigned char basic_op_table_im32_reg[] = { 0xc8, 0xf0, 0xe0, 0, 0xc0, 0xe8 };
- jitCompPutByte2(w.dst, 0x81, basic_op_table_im32_reg[*src - 0x10] | reg0);
- }
- else {
- jitCompPutByte2(w.dst, 0x69, 0xc0 | reg0 << 3 | reg0);
- }
- }
- jitCompPutImm32(&w, w.r3f);
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
- }
-#endif
- reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
- if (*src != 0x16) {
- if (reg1 >= 0) {
- static unsigned char basic_op_table_rr[] = { 0x09, 0x31, 0x21, 0, 0x01, 0x29 }; /* op(reg,reg); */
- jitCompPutByte2(w.dst, basic_op_table_rr[*src - 0x10], 0xc0 | reg1 << 3 | reg0);
- }
- else {
- static unsigned char basic_op_table_rm[] = { 0x0b, 0x33, 0x23, 0, 0x03, 0x2b, 0xaf }; /* op(reg,mem); */
- jitCompPutByte1(w.dst, basic_op_table_rm[*src - 0x10]);
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);
- }
- }
- else {
- if (reg1 >= 0) {
- jitCompPutByte3(w.dst, 0x0f, 0xaf, 0xc0 | reg0 << 3 | reg1);
- }
- else {
- jitCompPutByte2(w.dst, 0x0f, 0xaf);
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);
- }
- }
- }
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- break;
-
- case 0x18: /* SHL */
- case 0x19: /* SAR */
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[3] == 0x3f) {
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- reg1 = jitCompA000_selectRegCache(src[2], -1 /* mem */);
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
- if (reg1 == -1)
- jitCompA0001_movReg32EbpDisp(&w, reg0, src[2] * 4); /* MOV(reg1, [EBP+?]); */
- else {
- if (reg0 != reg1) {
- jitCompPutByte2(w.dst, 0x89, 0xc0 | reg1 << 3 | reg0); /* MOV(reg0, reg1); */
- }
- }
- if (*src == 0x18) { jitCompPutByte3(w.dst, 0xc1, 0xe0 | reg0, w.r3f); } /* SHL(reg0, im8); */
- if (*src == 0x19) { jitCompPutByte3(w.dst, 0xc1, 0xf8 | reg0, w.r3f); } /* SAR(reg0, im8); */
- if (reg0 == 0 /* EAX */)
- jitCompA0001_movRxxEax(&w, src[1]);
- cmp0reg = src[1];
- cmp0lev = 1;
- break;
- }
-#endif
- jitCompA000_storeRegCacheAll(&w); // 手抜き.
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[2] == 0x3f) {
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, w.r3f);
- }
- else {
- jitCompA0001_movEaxRxx(&w, src[2]);
- }
-#else
- jitCompA0001_movEaxRxx(&w, src[2]);
-#endif
- if (*src == 0x18) { jitCompPutByte2(w.dst, 0xd3, 0xe0); } /* SHL(EAX, CL); */
- if (*src == 0x19) { jitCompPutByte2(w.dst, 0xd3, 0xf8); } /* SAR(EAX, CL); */
- jitCompA0001_movRxxEax(&w, src[1]);
- jitCompA000_loadRegCacheAll(&w); // 手抜き.
- cmp0reg = src[1];
- cmp0lev = 1;
- break;
-
- case 0x1a: /* DIV */
- case 0x1b: /* MOD */
- if (src[1] >= 0x3f) w.err = JITC_ERR_REGNUM;
- if (src[2] >= 0x40) w.err = JITC_ERR_REGNUM;
- if (src[3] >= 0x40) w.err = JITC_ERR_REGNUM;
- jitCompA000_storeRegCacheAll(&w); // 手抜き.
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[3] == 0x3f) {
- jitCompPutByte1(w.dst, 0xb8 | 1); /* MOV(ECX, ?); */
- jitCompPutImm32(&w, w.r3f);
- }
- else {
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
- }
- if (src[2] == 0x3f) {
- jitCompPutByte1(w.dst, 0xb8 | 0); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, w.r3f);
- }
- else {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
- }
-#else
- jitCompA0001_movReg32EbpDisp(&w, 1 /* ECX */, src[3] * 4); /* MOV(ECX, [EBP+?]); */
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, src[2] * 4); /* MOV(EAX, [EBP+?]); */
-#endif
- jitCompPutByte1(w.dst, 0x99); /* CDQ(); */
- /* ECXがゼロではないことを確認すべき */
- jitCompPutByte2(w.dst, 0xf7, 0xf9); /* IDIV(ECX); */
- if (*src == 0x1a) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 0 /* EAX */); }
- if (*src == 0x1b) { jitCompA0001_movEbpDispReg32(&w, src[1] * 4, 2 /* EDX */); }
- jitCompA000_loadRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
-
- case 0x1c: /* PLMT0 */
- case 0x1d: /* PLMT1 */
- if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
- if (level < JITC_LV_FASTEST) {
- cmp0reg = -1;
- if (level < JITC_LV_FASTER) {
- // typ が一致していることを確認.
- // plsとliveSignが一致していることを確認.
-
- // preg1はp0 <= p <= p1 を満たしているか？.
- // 新しいp0/p1は古いp0〜p1に適合しているか？.
-
- }
- }
-
- case 0x1e: /* PCP */ /* 未完成(p1まで完成) */
- if (src[1] >= 0x40 || src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
- if (src[2] == 0x3f) w.err = JITC_ERR_PREGNUM;
- if (src[1] != 0x3f) {
- /* src[2] == 0xff の場合に対応できてない */
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- for (i = 0; i < 32; i += 4) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + i); /* MOV(EAX, [EBP+?]); */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- }
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- }
- else {
- if (level < JITC_LV_FASTER) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 4); /* MOV(EAX, [EBP+?]); */ /* typ */
- jitCompPutByte3(w.dst, 0x83, 0xf8, 0); /* CMP(EAX, 0); */
- jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
- jitCompPutImm32(&w, errfnc - (w.dst + 4));
- /* セキュリティチェックが足りてない!(aliveとか) */
- }
- reg0 = 0; /* EAX */
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- jitCompA0001_movReg32EbpDisp(&w, reg0, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
- if (level < JITC_LV_FASTER) {
- jitCompPutByte1(w.dst, 0x3b); /* CMP(reg0, [EBP+?]); */
- jitCompA0001_85DispN(&w, 256 + src[2] * 32 + 8, reg0); /* p0 */
- jitCompPutByte2(w.dst, 0x0f, 0x85); /* JNE */
- jitCompPutImm32(&w, errfnc - (w.dst + 4));
- }
- jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
- }
- break;
-
- case 0x1f: /* PCST */
- if (jitCompGetImm32(src + 2) == 0) {
- if (level < JITC_LV_FASTER)
- jitCompA0001_checkType0(&w, src[6], jitCompGetImm32(src + 7), 2);
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- for (i = 0; i < 32 - 4; i += 4) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
- if (i == 4) {
- jitCompPutByte1(w.dst, 0x0d); /* OR(EAX, ?); */
- jitCompPutImm32(&w, 0x80000000);
- }
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- }
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, debugInfo1);
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 28, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
- }
- if (jitCompGetImm32(src + 7) == 0) {
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- for (i = 0; i < 32 - 4; i += 4) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + i); /* MOV(EAX, [EBP+?]); */
- if (i == 4) {
- jitCompPutByte1(w.dst, 0x25); /* AND(EAX, ?); */
- jitCompPutImm32(&w, 0x7fffffff);
- }
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + i, 0 /* EAX */); /* MOV([EBP+?], EAX); */
- }
- if (level < JITC_LV_FASTER) {
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[6] * 32 + 28); /* MOV(EAX, [EBP+?]); */
- jitCompPutByte1(w.dst, 0x3d); /* CMP(EAX, ?); */
- jitCompPutImm32(&w, debugInfo1);
- jitCompPutByte2(w.dst, 0x74, 8); /* JE */
- jitCompPutByte2(w.dst, 0x31, 0xc0); /* XOR(EAX, EAX); (2) */
- jitCompA0001_movEbpDispReg32(&w, 256 + src[1] * 32 + 0, 0 /* EAX */); /* MOV([EBP+?], EAX); (1+1+4) */
- }
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
- }
- w.err = JITC_ERR_OPECODE;
- goto err_w;
-
- case 0x20: /* CMPE */
- case 0x21: /* CMPNE */
- case 0x22: /* CMPL */
- case 0x23: /* CMPGE */
- case 0x24: /* CMPLE */
- case 0x25: /* CMPG */
- case 0x26: /* TSTZ */
- case 0x27: /* TSTNZ */
- reg0 = jitCompA000_selectRegCache(src[2], 0 /* EAX */);
- reg1 = jitCompA000_selectRegCache(src[3], -1 /* mem */);
- if (src[1] == 0x3f) {
- /* 特殊構文チェック */
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
- if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
- w.err = JITC_ERR_IDIOM; goto err_w;
- }
- }
- if (reg0 == 0)
- jitCompA0001_movEaxRxx(&w, src[2]);
-#if (jitCompA0001_USE_R3F_IMM32 != 0)
- if (src[3] == 0x3f) {
-#if (jitCompA0001_OPTIMIZE_CMP != 0)
- if ((*src <= 0x25 && w.r3f == 0) || (*src >= 0x26 && w.r3f == -1)) {
- i = 0;
- if (cmp0reg == src[2]) {
- if (cmp0lev >= 1 && (src[0] == 0x20 || src[0] == 0x21 || src[0] == 0x26 || src[0] == 0x27))
- i = 1;
- if (cmp0lev >= 2 && (src[0] == 0x22 || src[0] == 0x23 || src[0] == 0x24 || src[0] == 0x25))
- i = 1;
- }
- if (i == 0) {
- jitCompPutByte2(w.dst, 0x85, 0xc0 | reg0 << 3 | reg0); /* TEST(reg0, reg0); */
- }
- cmp0reg = src[2];
- cmp0lev = 2;
- goto cmpcc1;
- }
-#endif
-#if (jitCompA0001_USE_R3F_IMM8 != 0)
- if (-0x80 <= w.r3f && w.r3f <= 0x7f && *src <= 0x25) {
- jitCompPutByte3(w.dst, 0x83, 0xf8 | reg0, w.r3f);
- goto cmpcc1;
- }
-#endif
- if (reg0 == 0) {
- if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3d); }
- if (*src >= 0x26) { jitCompPutByte1(w.dst, 0xa9); }
- }
- else {
- if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x81, 0xf8 | reg0); }
- if (*src >= 0x26) { jitCompPutByte2(w.dst, 0xf7, 0xc0 | reg0); }
- }
- jitCompPutImm32(&w, w.r3f);
- goto cmpcc1;
- }
-#endif
- if (src[3] >= 0x40) w.err = JITC_ERR_PREGNUM;
- if (reg1 >= 0) {
- if (*src <= 0x25) { jitCompPutByte2(w.dst, 0x39, 0xc0 | reg1 << 3 | reg0); }
- if (*src >= 0x26) { jitCompPutByte2(w.dst, 0x85, 0xc0 | reg1 << 3 | reg0); }
- }
- else {
- if (*src <= 0x25) { jitCompPutByte1(w.dst, 0x3b); }
- if (*src >= 0x26) { jitCompPutByte1(w.dst, 0x85); }
- jitCompA0001_85DispN(&w, src[3] * 4, reg0);
- }
- cmpcc1:
- if (w.err != 0) goto err_w;
- static unsigned char cmpcc_table0[] = {
- 0x04, 0x05, 0x0c, 0x0d, 0x0e, 0x0f, 0x04, 0x05, /* CMPcc, TSTcc */
- 0x04, 0x05, 0x02, 0x03, 0x06, 0x07 /* PCMPcc */
- };
-#if (jitCompA0001_USE_R3F_CMPJMP != 0)
- if (src[1] == 0x3f) {
- /* 特殊構文を利用した最適化 */
- jitCompPutByte2(w.dst, 0x0f, 0x80 | cmpcc_table0[*src - 0x20]);
- src += 6;
- i = jitCompGetLabelNum(&w, src + 2);
- if ((flags & JITC_PHASE1) != 0 && w.err != 0) {
- if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
- // if (label[i].typ != 1) { w.err = JITC_ERR_LABELTYP; goto err_w; }
- }
- j = 0;
- if ((flags & JITC_PHASE1) != 0 || (((flags & JITC_PHASE1) == 0) && label[i].opt != 0))
- j = label[i].p - (w.dst + 4);
- jitCompPutImm32(&w, j);
-#if (jitCompA0001_OPTIMIZE_JMP != 0)
- if (-128 - 4 <= j && j < 0) {
- j += 4;
- w.dst -= 6;
- jitCompPutByte2(w.dst, w.dst[1] ^ 0xf0, j & 0xff);
- }
-#endif
- src += 6;
- if (w.err != 0) goto err_w;
- continue;
- }
-#endif
- /* 一般的なJITC */
- reg0 = jitCompA000_selectRegCache(src[1], 0 /* EAX */);
- jitCompPutByte3(w.dst, 0x0f, 0x90 | cmpcc_table0[*src - 0x20], 0xc0 | reg0); /* SETcc(BYTE(reg0)); */
- jitCompPutByte3(w.dst, 0x0f, 0xb6, 0xc0 | reg0 << 3 | reg0); /* MOVZX(reg0, BYTE(reg0)); */
- jitCompPutByte2(w.dst, 0xf7, 0xd8 | reg0); /* NEG(reg0); */
- if (reg0 == 0)
- jitCompA0001_movRxxEax(&w, src[1]);
- cmp0reg = src[2];
- cmp0lev = 1;
- break;
-
- case 0x28: /* PCMPE */
- case 0x29: /* PCMPNE */
- case 0x2a: /* PCMPL */
- case 0x2b: /* PCMPGE */
- case 0x2c: /* PCMPLE */
- case 0x2d: /* PCMPG */
- if (src[1] == 0x3f) {
- /* 特殊構文チェック */
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
- if (src[4] != 0x04 || src[5] != 0x3f || src[6] != 0x03 || src[7] != 0x3f) {
- w.err = JITC_ERR_IDIOM; goto err_w;
- }
- }
- if (src[2] >= 0x40) w.err = JITC_ERR_PREGNUM;
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- if (src[3] != 0xff)
- jitCompA0001_checkCompPtr(&w, src[2], src[3]);
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + src[2] * 32 + 0); /* MOV(EAX, [EBP+?]); */
- if (src[3] != 0xff) {
- jitCompPutByte1(w.dst, 0x3b); /* CMP(EAX, [EBP+?]); */
- jitCompA0001_85DispN(&w, 256 + src[3] * 32 + 0, 0);
- }
- else {
- /* ヌルポインタとの比較はこれでいいのか？たぶんよくない */
- jitCompPutByte3(w.dst, 0x83, 0xf8, 0x00); /* CMP(EAX, 0); */
- }
- cmp0reg = -1;
- goto cmpcc1;
-
- case 0x30: /* talloc(old:F4) */
- case 0x31: /* tfree(old:F5) */
- case 0x32: /* malloc(old:F6) */
- case 0x33: /* mfree(old:F7) */
- jitCompA000_storeRegCacheAll(&w); // 手抜き.
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
- jitCompPutByte1(w.dst, 0xe8);
- if (*src == 0x30) j = ((unsigned char *)&funcf4) - (w.dst + 4);
- if (*src == 0x31) j = ((unsigned char *)&funcf5) - (w.dst + 4);
- if (*src == 0x32) j = ((unsigned char *)&funcf6) - (w.dst + 4);
- if (*src == 0x33) j = ((unsigned char *)&funcf7) - (w.dst + 4);
- jitCompPutImm32(&w, j);
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x10); /* ADD(ESP,16); */
- jitCompA000_loadRegCacheAll(&w); // 手抜き.
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
-
- case 0x34: /* data (暫定) */
- cmp0reg = -1;
- if (w.prefix != 0) { w.err = JITC_ERR_PREFIX; goto err_w; }
- int k = jitCompGetImm32(&src[1]), tmpData, bitCount, dataWidth = jitCompA000_dataWidth(k);
- if (lastlabel >= 0 && label[lastlabel].typ == 0)
- label[lastlabel].typ = k;
- if (k != 1) {
- i = jitCompA000_convTyp(k);
- if (i < 2 || i > 7) { w.err = JITC_ERR_BADTYPE; goto err_w; }
- }
- j = jitCompGetImm32(&src[5]);
- oldsrc = src;
- src += 9;
- if (k != 1) {
- bitCount = 7;
- while (j > 0) {
- if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
- if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
- tmpData = 0;
- for (k = 0; k < dataWidth; k++) {
- tmpData = tmpData << 1 | ((*src >> bitCount) & 1);
- bitCount--;
- if (bitCount < 0) {
- bitCount = 7;
- src++;
- }
- }
- if ((i & 1) == 0 && dataWidth <= 31 && (tmpData >> (dataWidth - 1)) != 0) {
- tmpData -= 1 << dataWidth;
- }
- if (i == 2 || i == 3) { jitCompPutByte1(w.dst, tmpData & 0xff); }
- if (i == 4 || i == 5) { jitCompPutByte2(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff); }
- if (i == 6 || i == 7) { jitCompPutByte4(w.dst, tmpData & 0xff, (tmpData >> 8) & 0xff, (tmpData >> 16) & 0xff, (tmpData >> 24) & 0xff); }
- j--;
- }
- }
- else {
- while (j > 0) {
- if (src >= src1) { w.err = JITC_ERR_SRC1; src = oldsrc; goto err_w; }
- if (w.dst + 256 > dst1) { w.err = JITC_ERR_DST1; src = oldsrc; goto err_w; }
- i = jitCompGetImm32(src);
- src += 4;
- if ((flags & JITC_PHASE1) != 0 && w.err == 0) {
- if (label[i].opt == 0) { w.err = JITC_ERR_LABELNODEF; goto err_w; }
- }
- jitCompPutImm32(&w, (int)label[i].p);
- jitCompPutImm32(&w, label[i].typ);
- jitCompPutImm32(&w, (int)label[i].p);
- jitCompPutImm32(&w, (int)label[i].p1);
- jitCompPutImm32(&w, 0); /* liveSign */
- jitCompPutImm32(&w, 2320); /* pls */
- jitCompPutImm32(&w, 0);
- jitCompPutImm32(&w, 0);
- j--;
- }
- }
- if (lastlabel >= 0 && label[lastlabel].p1 < w.dst)
- label[lastlabel].p1 = w.dst;
- continue;
-
- case 0x3c: /* ENTER */
- jitCompA000_storeRegCacheAll(&w); // 手抜き.
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
- jitCompPutByte1(w.dst, 0xe8);
- j = ((unsigned char *)&func3c) - (w.dst + 4);
- jitCompPutImm32(&w, j);
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
- jitCompA000_loadRegCacheAll(&w); // 手抜き.
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
-
- case 0x3d: /* LEAVE */
- jitCompA000_storeRegCacheAll(&w); // 手抜き.
- jitCompA000_storePRegCacheAll(&w); // 手抜き.
- jitCompPutByte2(w.dst, 0x6a, src[6]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[5]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[4] & 0x0f); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, (src[4] >> 4) & 0x0f); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[3]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[2]); /* PUSH(?); */
- jitCompPutByte2(w.dst, 0x6a, src[1]); /* PUSH(?); */
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
- jitCompPutByte1(w.dst, 0xe8);
- j = ((unsigned char *)&func3d) - (w.dst + 4);
- jitCompPutImm32(&w, j);
- jitCompPutByte3(w.dst, 0x83, 0xc4, 0x20); /* ADD(ESP,32); */
- jitCompA000_loadRegCacheAll(&w); // 手抜き.
- jitCompA000_loadPRegCacheAll(&w); // 手抜き.
- cmp0reg = -1;
- break;
-
- case 0xfe: /* remark */
- if (src[1] == 0x01 && src[2] == 0x00) { // DBGINFO1
- if (level <= JITC_LV_SLOWER) {
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, debugInfo1);
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
- }
- }
- if (src[1] == 0x01 && src[2] == 0x03) { // DBGINFO1CLR
- if (level <= JITC_LV_SLOWER) {
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, -1);
- jitCompA0001_movEbpDispReg32(&w, 2304 + 4, 0 /* EAX */); /* MOV(debugInfo1, EAX); */
- }
- }
- if (src[1] == 0x05 && src[2] == 0x00) { // DBGINFO0
- if (level <= JITC_LV_SLOWEST) {
- debugInfo0 = jitCompGetImm32(src + 3);
- // jitCompPutByte1(w.dst, 0xbf); /* MOV(EDI, ?); */
- // jitCompPutImm32(&w, debugInfo0);
- jitCompPutByte1(w.dst, 0xb8); /* MOV(EAX, ?); */
- jitCompPutImm32(&w, debugInfo0);
- jitCompA0001_movEbpDispReg32(&w, 2304 + 0, 0 /* EAX */); /* MOV(debugInfo0, EAX); */
- }
- }
- break;
-
- default:
- w.err = JITC_ERR_OPECODE;
- goto err_w;
- }
- if (w.err != 0) goto err_w;
- jitCompA0001_fixPrefix(&w);
- if (w.err != 0) goto err_w;
- src += jitCompCmdLen(src);
- }
- if (enter0 != NULL) {
- j = w.dst - (enter0 + 4);
- enter0[0] = j & 0xff;
- enter0[1] = (j >> 8) & 0xff;
- enter0[2] = (j >> 16) & 0xff;
- enter0[3] = (j >> 24) & 0xff;
- }
- if ((flags & JITC_NOSTARTUP) == 0) {
- jitCompA000_storeRegCacheAll(&w);
- jitCompA000_storePRegCacheAll(&w);
- jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
+
+ if (0x01 <= *src && *src < 0x04){
+ // LB, LIMM, PLIMM
+ i = 6;
+ } else if (*src == 0x04){
+ // CND
+ i = 2;
+ } else if (0x08 <= *src && *src < 0x0d){
+ // LMEM, SMEM, ??, ??, ??
+ i = 8 + src[7] * 4;
+ } else if (0x0e <= *src && *src < 0x10){
+ // PADD, PDIF
+ i = 8;
+ } else if (0x10 <= *src && *src < 0x1c){
+ // CP/OR, XOR, AND, ADD, SUB, MUL, SHL, SAR, DIV, MOD,
+ i = 4;
+ } else if (0x1c <= *src && *src < 0x1f){
+ // ??, ??, PCP
+ i = 3;
+ } else if (*src == 0x1f){
+ // ??
+ i = 11;
+ } else if(0x20 <= *src && *src < 0x2e){
+ // CMPE, CMPNE, CMPL, CMPGE, CMPLE, CMPG, TSTZ, TSTNZ,
+ // PCMPE, PCMPNE, PCMPL, PCMPGE, PCMPLE, PCMPG,
+ i = 4;
+ } else if (*src == 0x2f){
+ // ??
+ i = 4 + src[1];
+ } else if (0x30 <= *src && *src < 0x34){
+ // ??, ??, MALLOC, ??
+ i = 4;
+ } else if (0x3c <= *src && *src < 0x3e){
+ // ??, ??
+ i = 7;
+ } else if (*src == 0xfe){
+ // REMARK
+ i = 2 + src[1];
}
- if ((flags & JITC_PHASE1) != 0)
- return w.dst - dst00;
- return 0;
-err_w:
- if ((w.err & JITC_ERR_PHASE0ONLY) != 0) {
- if ((flags & JITC_PHASE1) == 0)
- w.err &= ~JITC_ERR_PHASE0ONLY;
- }
- if (w.err == (JITC_ERR_MASK & JITC_ERR_REGNUM)) errmsg = "reg-number error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_DST1)) errmsg = "dst1 error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_OPECODE)) errmsg = "opecode error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNUM)) errmsg = "label number too large";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELREDEF)) errmsg = "label redefine";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIX)) { errmsg = "prefix redefine"; w.dst -= 2; }
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELNODEF)) errmsg = "label not defined";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_LABELTYP)) errmsg = "label type error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_IDIOM)) errmsg = "idiom error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREGNUM)) errmsg = "preg-number error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_SRC1)) errmsg = "src1 error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_BADTYPE)) errmsg = "bad type code";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_PREFIXFAR)) errmsg = "prefix internal error";
- if (w.err == (JITC_ERR_MASK & JITC_ERR_INTERNAL)) errmsg = "general internal error";
- if (*errmsg != '\0') {
- fprintf(stderr, "JITC: %s at %06X (debugInfo0=%d)\n ", errmsg, src - src0, debugInfo0);
- for (i = 0; i < 16; i++)
- fprintf(stderr, "%02X ", src[i]);
- static char *table[0x30] = {
- "NOP", "LB", "LIMM", "PLIMM", "CND", "??", "??", "??",
- "LMEM", "SMEM", "PLMEM", "PSMEM", "LEA", "??", "PADD", "PDIF",
- "CP/OR", "XOR", "AND", "??", "ADD", "SUB", "MUL", "??",
- "SHL", "SAR", "DIV", "MOD", "PLMT0", "PLMT1", "PCP", "PCST",
- "CMPE", "CMPNE", "CMPL", "CMPGE", "CMPLE", "CMPG", "TSTZ", "TSTNZ",
- "PCMPE", "PCMPNE", "PCMPL", "PCMPGE", "PCMPLE", "PCMPG", "??", "EXT" };
- errmsg = "??";
- if (*src < 0x30) errmsg = table[*src];
- fprintf(stderr, "(%s)\n", errmsg);
- }
- return -1;
-}
-
-unsigned char *jitCompCallFunc(unsigned char *dst, void *func)
-{
- struct JitCompWork w;
- w.dst = dst;
- jitCompA000_storeRegCacheAll(&w);
- jitCompA000_storePRegCacheAll(&w);
- jitCompPutByte1(w.dst, 0x60); /* PUSHAD(); */
- jitCompPutByte1(w.dst, 0x50); /* PUSH(EAX); */ /* for 16byte-align（win32では不要なのだけど、MacOSには必要らしい） */
- jitCompPutByte1(w.dst, 0x55); /* PUSH(EBP); */
- jitCompPutByte1(w.dst, 0xe8); /* CALL(func); */
- int j = ((unsigned char *)func) - (w.dst + 4);
-
- //この関数の中では結局w->dstしか参照していない
- jitCompPutImm32(&w, j);
-
- jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */ /* （win32では不要なのだけど、MacOSには必要らしい） */
- jitCompPutByte1(w.dst, 0x58); /* POP(EAX); */
- jitCompPutByte1(w.dst, 0x61); /* POPAD(); */
- jitCompA000_loadRegCacheAll(&w);
- jitCompA000_loadPRegCacheAll(&w);
- jitCompA0001_movReg32EbpDisp(&w, 0 /* EAX */, 256 + 0x30 * 32 + 0); /* MOV(EAX, [EBP+?]); */
- jitCompPutByte2(w.dst, 0xff, 0xe0); /* JMP(EAX); */
- return w.dst;
-}
-
-unsigned char *jitCompInit(unsigned char *dst)
-{
- errfnc = dst;
- return jitCompCallFunc(dst, &errHndl);
-}
-
-void func3c(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- int i, *pi;
- struct Ptr *pp;
- if (r->junkStack + 2048 > r->junkStack1) (*(r->errHndl))(r);
- pi = (void *)r->junkStack; r->junkStack += r1 * 4;
- for (i = 0; i < r1; i++)
- pi[i] = r->ireg[i];
- pp = (void *)r->junkStack; r->junkStack += p1 * 32;
- for (i = 0; i < p1; i++)
- pp[i] = r->preg[i];
- pp = (void *)r->junkStack; r->junkStack += 32;
- *pp = r->preg[0x30];
- pi = (void *)r->junkStack; r->junkStack += 4;
- *pi = opt << 16 | r1 << 8 | p1;
- for (i = 0; i < lenR; i++)
- r->ireg[r0 + i] = r->ireg[0x30 + i];
- for (i = 0; i < lenP; i++)
- r->preg[p0 + i] = r->preg[0x31 + i];
- return;
-}
-
-void func3d(char *ebp, int opt, int r1, int p1, int lenR, int lenP, int r0, int p0)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- int i;
- r->junkStack -= 4;
- r->junkStack -= 32; struct Ptr *pp = (void *)r->junkStack;
- r->preg[0x30] = *pp;
- r->junkStack -= p1 * 32; pp = (void *)r->junkStack;
- for (i = 0; i < p1; i++)
- r->preg[i] = pp[i];
- r->junkStack -= r1 * 4; int *pi = (void *)r->junkStack;
- for (i = 0; i < r1; i++)
- r->ireg[i] = pi[i];
- return;
-}
-
-void funcf4(char *ebp, int pxx, int typ, int len)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
- if (width < 0 || r->ireg[len] < 0)
- (*(r->errHndl))(r);
- void *p = r->junkStack;
- if (r->junkStack + width * r->ireg[len] + 256 > r->junkStack1) (*(r->errHndl))(r);
- r->junkStack += width * r->ireg[len];
- r->preg[pxx].p = p;
- r->preg[pxx].typ = r->ireg[typ];
- r->preg[pxx].p0 = p;
- r->preg[pxx].p1 = (void *)r->junkStack;
- int *pi = (int *)r->junkStack;
- *pi = width * r->ireg[len];
- r->junkStack += sizeof (int);
- if (r->ireg[typ] == 1) {
- int i, i1 = (width * r->ireg[len]) >> 2;
- pi = p;
- for (i = 0; i < i1; i++)
- pi[i] = 0;
- }
- return;
-}
-
-void funcf5(char *ebp, int pxx, int typ, int len)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- r->junkStack -= sizeof (int);
- int *pi = (int *)r->junkStack;
- r->junkStack -= *pi;
-#if 0
- int width = jitCompA000_dataWidth(r->ireg[typ]);
- void *p = r->junkStack;
- r->junkStack -= width * r->ireg[len];
-#endif
- return;
-}
-
-void funcf6(char *ebp, int pxx, int typ, int len)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- int width = jitCompA000_dataWidth(jitCompA000_convTyp(r->ireg[typ])) >> 3;
- if (width < 0 || r->ireg[len] < 0)
- (*(r->errHndl))(r);
- void *p = malloc(width * r->ireg[len]);
- r->preg[pxx].p = p;
- r->preg[pxx].typ = r->ireg[typ];
- r->preg[pxx].p0 = p;
- r->preg[pxx].p1 = (unsigned char *)p + width * r->ireg[len];
- if (r->ireg[typ] == 1) {
- int i, i1 = (width * r->ireg[len]) >> 2, *pi;
- pi = p;
- for (i = 0; i < i1; i++)
- pi[i] = 0;
- for (i = 1; i < i1; i += 8)
- pi[i] |= -1;
- }
- return;
-}
-
-void funcf7(char *ebp, int pxx, int typ, int len)
-{
- struct Regs *r = (struct Regs *) (ebp - jitCompA0001_EBP128);
- free(r->preg[pxx].p);
- return;
-}
-
-void errHndl(struct Regs *r)
-{
- r = (struct Regs *) (((char *)r) - jitCompA0001_EBP128);
- (*(r->errHndl))(r);
- // ここに帰ってきてはいけない.
-}
-
-/*
- * jitcの出力コードをひとまとめにする関数を作成しその中身をjitCompile()で生成
- *
- * qq : 出力バイナリの書き込み位置のアドレスへの参照(書き込み位置を呼び出しに反映させるため参照渡しにする)
- * q1 : 出力バイナリの書き込み位置のアドレスの最大値
- * p0 : (*.ose)バイナリの読み込み位置のアドレス(ヘッダ部除去済)
- * p1 : (*.ose)バイナリの読み込み位置の取りうる最大値
- * (ただし、「確保したメモリ」の最大値なのでこれより手前にゴミデータが入っているかもしれない)
- * ret=1 : ヘッダのエラー
- * ret=2 : jitコンパイルエラー
- */
-int jitc0(unsigned char **qq, unsigned char *q1, const unsigned char *p0, const unsigned char *p1, int level, struct LabelTable *label)
-{
- unsigned char *q = *qq;
- if (p0[0] != 0x05 || p0[1] != SIGN1)
- return 1;
-
- *q++ = 0x55; /* PUSH(EBP); */
- *q++ = 0x8b; *q++ = 0x6c; *q++ = 0x24; *q++ = 0x08; /* MOV(EBP,[ESP+8]); */
-
- int i;
- for (i = 0; i < JITC_MAXLABELS; i++)
- label[i].opt = 0;
-
- // 以下のjitCompile()呼び出しでは第二引数をq1-2にした方がよいのではないか?
- i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, 0);
- if (i != 0) return 2;
- i = jitCompiler(q, q1, p0 + 2, p1, p0, label, JITC_MAXLABELS, level, di1_serial, JITC_PHASE1 + 0);
- if (i < 0) return 2;
- q += i;
-
- *q++ = 0x5d; /* POP(EBP); */
- *q++ = 0xc3; /* RET(); */
-
- *qq = q;
- return 0;
+ return i;
}
-#if (USE_DEBUGGER != 0)
-
-int dbgrGetRegNum(const char *p)
+void PRegCopy(HOSECPU_PointerRegisterEntry *dst, HOSECPU_PointerRegisterEntry *src)
{
- int i, j, r = -1;
- if (p[2] <= ' ') {
- i = p[0] - '0';
- j = p[1] - '0';
- if (i > 9) i -= 'A' - '0' - 10;
- if (j > 9) j -= 'A' - '0' - 10;
- if (0 <= i && i <= 15 && 0 <= j && j <= 15)
- r = i << 4 | j;
- }
- return r;
-}
+ // なんか直接代入するとMacではアライメントエラーで落ちるのです...
+ // *dst = *src;
-void dbgrMain(struct Regs *r)
-{
- if (r->dbgr == 0) return;
- for (;;) {
- char cmd[64], *p;
- int i, j, k;
- printf("\ndbgr>");
- p = fgets(cmd, 64, stdin);
- if (p == NULL) break;
- if (cmd[0] == '\0') continue;
- if (cmd[0] == 'q' && cmd[1] <= ' ') break;
- if (cmd[0] == 'p' && cmd[1] <= ' ' && cmd[1] != '\0') {
- p = &cmd[2];
- while (*p <= ' ' && *p != '\0') p++;
- if (*p == 'R') {
- i = dbgrGetRegNum(p + 1);
- if (0 <= i && i <= 0x3f) {
- printf("R%02X = 0x%08X = %d\n", i, r->ireg[i], r->ireg[i]);
- }
- else
- puts("register name error");
- continue;
- }
- if (*p == 'P') {
- i = dbgrGetRegNum(p + 1);
- if (0 <= i && i <= 0x3f) {
- p = "invalid";
- if (0 <= r->preg[i].typ && r->preg[i].typ <= 0x15) {
- static char *typName[] = {
- "T_CODE", "T_VPTR", "T_SINT8", "T_UINT8",
- "T_SINT16", "T_UINT16", "T_SINT32", "T_UINT32",
- "T_SINT4", "T_UINT4", "T_SINT2", "T_UINT2",
- "T_SINT1", "T_UINT1", "T_SINT12", "T_UINT12",
- "T_SINT20", "T_UINT20", "T_SINT24", "T_UINT24",
- "T_SINT28", "T_UINT28"
- };
- p = typName[r->preg[i].typ];
- }
- printf("P%02X:\n type = %s(%04X), (origin-ptr) = 0x%08X\n", i, p, r->preg[i].typ, (unsigned int)(r->preg[i].p0));
- if (r->preg[i].p != NULL && r->preg[i].p0 != NULL) {
- j = jitCompA000_dataWidth(jitCompA000_convTyp(r->preg[i].typ)) >> 3;
- if (j <= 0) j = 1;
- k = (r->preg[i].p1 - r->preg[i].p0) / j;
- printf(" size = 0x%08X = %d\n", k, k);
- k = (r->preg[i].p - r->preg[i].p0) / j;
- printf(" pos = 0x%08X = %d\n", k, k);
- }
- else {
- puts(" null pointer");
- }
- }
- else
- puts("register name error");
- continue;
- }
- }
- puts("command error");
- }
- return;
+ dst->p = src->p;
+ dst->typ = src->typ;
+ dst->p0 = src->p0;
+ dst->p1 = src->p1;
+ dst->liveSign = src->liveSign;
+ dst->pls = src->pls;
+ dst->flags = src->flags;
+ dst->dummy = src->dummy;
}
-#endif
-
-
-#endif
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