MirLua: ffi module removed because it seems to be not working

Possible working version here https://github.com/dibyendumajumdar/ravi-ffi

1 files changed, 0 insertions, 455 deletions

diff --git a/plugins/MirLua/Modules/ffi/src/dynasm/dasm_arm.h b/plugins/MirLua/Modules/ffi/src/dynasm/dasm_arm.h
deleted file mode 100644
index da88199284..0000000000
--- a/plugins/MirLua/Modules/ffi/src/dynasm/dasm_arm.h
+++ /dev/null
@@ -1,455 +0,0 @@
-/*

-** DynASM ARM encoding engine.

-** Copyright (C) 2005-2011 Mike Pall. All rights reserved.

-** Released under the MIT/X license. See dynasm.lua for full copyright notice.

-*/

-

-#include <stddef.h>

-#include <stdarg.h>

-#include <string.h>

-#include <stdlib.h>

-

-#define DASM_ARCH		"arm"

-

-#ifndef DASM_EXTERN

-#define DASM_EXTERN(a,b,c,d)	0

-#endif

-

-/* Action definitions. */

-enum {

-  DASM_STOP, DASM_SECTION, DASM_ESC, DASM_REL_EXT,

-  /* The following actions need a buffer position. */

-  DASM_ALIGN, DASM_REL_LG, DASM_LABEL_LG,

-  /* The following actions also have an argument. */

-  DASM_REL_PC, DASM_LABEL_PC,

-  DASM_LONG, DASM_IMM, DASM_IMM12, DASM_IMM16, DASM_IMML8, DASM_IMML12,

-  DASM__MAX

-};

-

-/* Maximum number of section buffer positions for a single dasm_put() call. */

-#define DASM_MAXSECPOS		25

-

-/* DynASM encoder status codes. Action list offset or number are or'ed in. */

-#define DASM_S_OK		0x00000000

-#define DASM_S_NOMEM		0x01000000

-#define DASM_S_PHASE		0x02000000

-#define DASM_S_MATCH_SEC	0x03000000

-#define DASM_S_RANGE_I		0x11000000

-#define DASM_S_RANGE_SEC	0x12000000

-#define DASM_S_RANGE_LG		0x13000000

-#define DASM_S_RANGE_PC		0x14000000

-#define DASM_S_RANGE_REL	0x15000000

-#define DASM_S_UNDEF_LG		0x21000000

-#define DASM_S_UNDEF_PC		0x22000000

-

-/* Macros to convert positions (8 bit section + 24 bit index). */

-#define DASM_POS2IDX(pos)	((pos)&0x00ffffff)

-#define DASM_POS2BIAS(pos)	((pos)&0xff000000)

-#define DASM_SEC2POS(sec)	((sec)<<24)

-#define DASM_POS2SEC(pos)	((pos)>>24)

-#define DASM_POS2PTR(D, pos)	(D->sections[DASM_POS2SEC(pos)].rbuf + (pos))

-

-/* Action list type. */

-typedef const unsigned int *dasm_ActList;

-

-/* Per-section structure. */

-typedef struct dasm_Section {

-  int *rbuf;		/* Biased buffer pointer (negative section bias). */

-  int *buf;		/* True buffer pointer. */

-  size_t bsize;		/* Buffer size in bytes. */

-  int pos;		/* Biased buffer position. */

-  int epos;		/* End of biased buffer position - max single put. */

-  int ofs;		/* Byte offset into section. */

-} dasm_Section;

-

-/* Core structure holding the DynASM encoding state. */

-struct dasm_State {

-  size_t psize;			/* Allocated size of this structure. */

-  dasm_ActList actionlist;	/* Current actionlist pointer. */

-  int *lglabels;		/* Local/global chain/pos ptrs. */

-  size_t lgsize;

-  int *pclabels;		/* PC label chains/pos ptrs. */

-  size_t pcsize;

-  void **globals;		/* Array of globals (bias -10). */

-  dasm_Section *section;	/* Pointer to active section. */

-  size_t codesize;		/* Total size of all code sections. */

-  int maxsection;		/* 0 <= sectionidx < maxsection. */

-  int status;			/* Status code. */

-  dasm_Section sections[1];	/* All sections. Alloc-extended. */

-};

-

-/* The size of the core structure depends on the max. number of sections. */

-#define DASM_PSZ(ms)	(sizeof(dasm_State)+(ms-1)*sizeof(dasm_Section))

-

-

-/* Initialize DynASM state. */

-void dasm_init(Dst_DECL, int maxsection)

-{

-  dasm_State *D;

-  size_t psz = 0;

-  int i;

-  Dst_REF = NULL;

-  DASM_M_GROW(Dst, struct dasm_State, Dst_REF, psz, DASM_PSZ(maxsection));

-  D = Dst_REF;

-  D->psize = psz;

-  D->lglabels = NULL;

-  D->lgsize = 0;

-  D->pclabels = NULL;

-  D->pcsize = 0;

-  D->globals = NULL;

-  D->maxsection = maxsection;

-  for (i = 0; i < maxsection; i++) {

-    D->sections[i].buf = NULL;  /* Need this for pass3. */

-    D->sections[i].rbuf = D->sections[i].buf - DASM_SEC2POS(i);

-    D->sections[i].bsize = 0;

-    D->sections[i].epos = 0;  /* Wrong, but is recalculated after resize. */

-  }

-}

-

-/* Free DynASM state. */

-void dasm_free(Dst_DECL)

-{

-  dasm_State *D = Dst_REF;

-  int i;

-  for (i = 0; i < D->maxsection; i++)

-    if (D->sections[i].buf)

-      DASM_M_FREE(Dst, D->sections[i].buf, D->sections[i].bsize);

-  if (D->pclabels) DASM_M_FREE(Dst, D->pclabels, D->pcsize);

-  if (D->lglabels) DASM_M_FREE(Dst, D->lglabels, D->lgsize);

-  DASM_M_FREE(Dst, D, D->psize);

-}

-

-/* Setup global label array. Must be called before dasm_setup(). */

-void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl)

-{

-  dasm_State *D = Dst_REF;

-  D->globals = gl - 10;  /* Negative bias to compensate for locals. */

-  DASM_M_GROW(Dst, int, D->lglabels, D->lgsize, (10+maxgl)*sizeof(int));

-}

-

-/* Grow PC label array. Can be called after dasm_setup(), too. */

-void dasm_growpc(Dst_DECL, unsigned int maxpc)

-{

-  dasm_State *D = Dst_REF;

-  size_t osz = D->pcsize;

-  DASM_M_GROW(Dst, int, D->pclabels, D->pcsize, maxpc*sizeof(int));

-  memset((void *)(((unsigned char *)D->pclabels)+osz), 0, D->pcsize-osz);

-}

-

-/* Setup encoder. */

-void dasm_setup(Dst_DECL, const void *actionlist)

-{

-  dasm_State *D = Dst_REF;

-  int i;

-  D->actionlist = (dasm_ActList)actionlist;

-  D->status = DASM_S_OK;

-  D->section = &D->sections[0];

-  memset((void *)D->lglabels, 0, D->lgsize);

-  if (D->pclabels) memset((void *)D->pclabels, 0, D->pcsize);

-  for (i = 0; i < D->maxsection; i++) {

-    D->sections[i].pos = DASM_SEC2POS(i);

-    D->sections[i].ofs = 0;

-  }

-}

-

-

-#ifdef DASM_CHECKS

-#define CK(x, st) \

-  do { if (!(x)) { \

-    D->status = DASM_S_##st|(p-D->actionlist-1); return; } } while (0)

-#define CKPL(kind, st) \

-  do { if ((size_t)((char *)pl-(char *)D->kind##labels) >= D->kind##size) { \

-    D->status = DASM_S_RANGE_##st|(p-D->actionlist-1); return; } } while (0)

-#else

-#define CK(x, st)	((void)0)

-#define CKPL(kind, st)	((void)0)

-#endif

-

-static int dasm_imm12(unsigned int n)

-{

-  int i;

-  for (i = 0; i < 16; i++, n = (n << 2) | (n >> 30))

-    if (n <= 255) return (int)(n + (i << 8));

-  return -1;

-}

-

-/* Pass 1: Store actions and args, link branches/labels, estimate offsets. */

-void dasm_put(Dst_DECL, int start, ...)

-{

-  va_list ap;

-  dasm_State *D = Dst_REF;

-  dasm_ActList p = D->actionlist + start;

-  dasm_Section *sec = D->section;

-  int pos = sec->pos, ofs = sec->ofs;

-  int *b;

-

-  if (pos >= sec->epos) {

-    DASM_M_GROW(Dst, int, sec->buf, sec->bsize,

-      sec->bsize + 2*DASM_MAXSECPOS*sizeof(int));

-    sec->rbuf = sec->buf - DASM_POS2BIAS(pos);

-    sec->epos = (int)sec->bsize/sizeof(int) - DASM_MAXSECPOS+DASM_POS2BIAS(pos);

-  }

-

-  b = sec->rbuf;

-  b[pos++] = start;

-

-  va_start(ap, start);

-  while (1) {

-    unsigned int ins = *p++;

-    unsigned int action = (ins >> 16);

-    if (action >= DASM__MAX) {

-      ofs += 4;

-    } else {

-      int *pl, n = action >= DASM_REL_PC ? va_arg(ap, int) : 0;

-      switch (action) {

-      case DASM_STOP: goto stop;

-      case DASM_SECTION:

-	n = (ins & 255); CK(n < D->maxsection, RANGE_SEC);

-	D->section = &D->sections[n]; goto stop;

-      case DASM_ESC: p++; ofs += 4; break;

-      case DASM_REL_EXT: break;

-      case DASM_ALIGN: ofs += (ins & 255); b[pos++] = ofs; break;

-      case DASM_REL_LG:

-	n = (ins & 2047) - 10; pl = D->lglabels + n;

-	if (n >= 0) { CKPL(lg, LG); goto putrel; }  /* Bkwd rel or global. */

-	pl += 10; n = *pl;

-	if (n < 0) n = 0;  /* Start new chain for fwd rel if label exists. */

-	goto linkrel;

-      case DASM_REL_PC:

-	pl = D->pclabels + n; CKPL(pc, PC);

-      putrel:

-	n = *pl;

-	if (n < 0) {  /* Label exists. Get label pos and store it. */

-	  b[pos] = -n;

-	} else {

-      linkrel:

-	  b[pos] = n;  /* Else link to rel chain, anchored at label. */

-	  *pl = pos;

-	}

-	pos++;

-	break;

-      case DASM_LABEL_LG:

-	pl = D->lglabels + (ins & 2047) - 10; CKPL(lg, LG); goto putlabel;

-      case DASM_LABEL_PC:

-	pl = D->pclabels + n; CKPL(pc, PC);

-      putlabel:

-	n = *pl;  /* n > 0: Collapse rel chain and replace with label pos. */

-	while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = pos;

-	}

-	*pl = -pos;  /* Label exists now. */

-	b[pos++] = ofs;  /* Store pass1 offset estimate. */

-	break;

-      case DASM_LONG:

-        ofs += 4;

-        b[pos++] = n;

-        break;

-      case DASM_IMM:

-      case DASM_IMM16:

-#ifdef DASM_CHECKS

-	CK((n & ((1<<((ins>>10)&31))-1)) == 0, RANGE_I);

-	if ((ins & 0x8000))

-	  CK(((n + (1<<(((ins>>5)&31)-1)))>>((ins>>5)&31)) == 0, RANGE_I);

-	else

-	  CK((n>>((ins>>5)&31)) == 0, RANGE_I);

-#endif

-	b[pos++] = n;

-	break;

-      case DASM_IMML8:

-      case DASM_IMML12:

-	CK(n >= 0 ? ((n>>((ins>>5)&31)) == 0) :

-		    (((-n)>>((ins>>5)&31)) == 0), RANGE_I);

-	b[pos++] = n;

-	break;

-      case DASM_IMM12:

-	CK(dasm_imm12((unsigned int)n) != -1, RANGE_I);

-	b[pos++] = n;

-	break;

-      }

-    }

-  }

-stop:

-  va_end(ap);

-  sec->pos = pos;

-  sec->ofs = ofs;

-}

-#undef CK

-

-/* Pass 2: Link sections, shrink aligns, fix label offsets. */

-int dasm_link(Dst_DECL, size_t *szp)

-{

-  dasm_State *D = Dst_REF;

-  int secnum;

-  int ofs = 0;

-

-#ifdef DASM_CHECKS

-  *szp = 0;

-  if (D->status != DASM_S_OK) return D->status;

-  {

-    int pc;

-    for (pc = 0; pc*sizeof(int) < D->pcsize; pc++)

-      if (D->pclabels[pc] > 0) return DASM_S_UNDEF_PC|pc;

-  }

-#endif

-

-  { /* Handle globals not defined in this translation unit. */

-    int idx;

-    for (idx = 20; idx*sizeof(int) < D->lgsize; idx++) {

-      int n = D->lglabels[idx];

-      /* Undefined label: Collapse rel chain and replace with marker (< 0). */

-      while (n > 0) { int *pb = DASM_POS2PTR(D, n); n = *pb; *pb = -idx; }

-    }

-  }

-

-  /* Combine all code sections. No support for data sections (yet). */

-  for (secnum = 0; secnum < D->maxsection; secnum++) {

-    dasm_Section *sec = D->sections + secnum;

-    int *b = sec->rbuf;

-    int pos = DASM_SEC2POS(secnum);

-    int lastpos = sec->pos;

-

-    while (pos != lastpos) {

-      dasm_ActList p = D->actionlist + b[pos++];

-      while (1) {

-	unsigned int ins = *p++;

-	unsigned int action = (ins >> 16);

-	switch (action) {

-	case DASM_STOP: case DASM_SECTION: goto stop;

-	case DASM_ESC: p++; break;

-	case DASM_REL_EXT: break;

-	case DASM_ALIGN: ofs -= (b[pos++] + ofs) & (ins & 255); break;

-	case DASM_REL_LG: case DASM_REL_PC: pos++; break;

-	case DASM_LABEL_LG: case DASM_LABEL_PC: b[pos++] += ofs; break;

-        case DASM_LONG: case DASM_IMM: case DASM_IMM12: case DASM_IMM16:

-	case DASM_IMML8: case DASM_IMML12: pos++; break;

-	}

-      }

-      stop: (void)0;

-    }

-    ofs += sec->ofs;  /* Next section starts right after current section. */

-  }

-

-  D->codesize = ofs;  /* Total size of all code sections */

-  *szp = ofs;

-  return DASM_S_OK;

-}

-

-#ifdef DASM_CHECKS

-#define CK(x, st) \

-  do { if (!(x)) return DASM_S_##st|(p-D->actionlist-1); } while (0)

-#else

-#define CK(x, st)	((void)0)

-#endif

-

-/* Pass 3: Encode sections. */

-int dasm_encode(Dst_DECL, void *buffer)

-{

-  dasm_State *D = Dst_REF;

-  char *base = (char *)buffer;

-  unsigned int *cp = (unsigned int *)buffer;

-  int secnum;

-

-  /* Encode all code sections. No support for data sections (yet). */

-  for (secnum = 0; secnum < D->maxsection; secnum++) {

-    dasm_Section *sec = D->sections + secnum;

-    int *b = sec->buf;

-    int *endb = sec->rbuf + sec->pos;

-

-    while (b != endb) {

-      dasm_ActList p = D->actionlist + *b++;

-      while (1) {

-	unsigned int ins = *p++;

-	unsigned int action = (ins >> 16);

-	int n = (action >= DASM_ALIGN && action < DASM__MAX) ? *b++ : 0;

-	switch (action) {

-	case DASM_STOP: case DASM_SECTION: goto stop;

-	case DASM_ESC: *cp++ = *p++; break;

-	case DASM_REL_EXT:

-	  n = DASM_EXTERN(Dst, (unsigned char *)cp, (ins&2047), !(ins&2048));

-	  goto patchrel;

-	case DASM_ALIGN:

-	  ins &= 255; while ((((char *)cp - base) & ins)) *cp++ = 0xe1a00000;

-	  break;

-	case DASM_REL_LG:

-	  CK(n >= 0, UNDEF_LG);

-	case DASM_REL_PC:

-	  CK(n >= 0, UNDEF_PC);

-	  n = *DASM_POS2PTR(D, n) - (int)((char *)cp - base) - 4;

-	patchrel:

-	  if ((ins & 0x800) == 0) {

-	    CK((n & 3) == 0 && ((n+0x02000000) >> 26) == 0, RANGE_REL);

-	    cp[-1] |= ((n >> 2) & 0x00ffffff);

-	  } else if ((ins & 0x1000)) {

-	    CK((n & 3) == 0 && -256 <= n && n <= 256, RANGE_REL);

-	    goto patchimml8;

-	  } else {

-	    CK((n & 3) == 0 && -4096 <= n && n <= 4096, RANGE_REL);

-	    goto patchimml12;

-	  }

-	  break;

-	case DASM_LABEL_LG:

-	  ins &= 2047; if (ins >= 20) D->globals[ins-10] = (void *)(base + n);

-	  break;

-	case DASM_LABEL_PC: break;

-        case DASM_LONG:

-          *cp++ = n;

-          break;

-	case DASM_IMM:

-	  cp[-1] |= ((n>>((ins>>10)&31)) & ((1<<((ins>>5)&31))-1)) << (ins&31);

-	  break;

-	case DASM_IMM12:

-	  cp[-1] |= dasm_imm12((unsigned int)n);

-	  break;

-	case DASM_IMM16:

-	  cp[-1] |= ((n & 0xf000) << 4) | (n & 0x0fff);

-	  break;

-	case DASM_IMML8: patchimml8:

-	  cp[-1] |= n >= 0 ? (0x00800000 | (n & 0x0f) | ((n & 0xf0) << 4)) :

-			     ((-n & 0x0f) | ((-n & 0xf0) << 4));

-	  break;

-	case DASM_IMML12: patchimml12:

-	  cp[-1] |= n >= 0 ? (0x00800000 | n) : (-n);

-	  break;

-	default: *cp++ = ins; break;

-	}

-      }

-      stop: (void)0;

-    }

-  }

-

-  if (base + D->codesize != (char *)cp)  /* Check for phase errors. */

-    return DASM_S_PHASE;

-  return DASM_S_OK;

-}

-#undef CK

-

-/* Get PC label offset. */

-int dasm_getpclabel(Dst_DECL, unsigned int pc)

-{

-  dasm_State *D = Dst_REF;

-  if (pc*sizeof(int) < D->pcsize) {

-    int pos = D->pclabels[pc];

-    if (pos < 0) return *DASM_POS2PTR(D, -pos);

-    if (pos > 0) return -1;  /* Undefined. */

-  }

-  return -2;  /* Unused or out of range. */

-}

-

-#ifdef DASM_CHECKS

-/* Optional sanity checker to call between isolated encoding steps. */

-int dasm_checkstep(Dst_DECL, int secmatch)

-{

-  dasm_State *D = Dst_REF;

-  if (D->status == DASM_S_OK) {

-    int i;

-    for (i = 1; i <= 9; i++) {

-      if (D->lglabels[i] > 0) { D->status = DASM_S_UNDEF_LG|i; break; }

-      D->lglabels[i] = 0;

-    }

-  }

-  if (D->status == DASM_S_OK && secmatch >= 0 &&

-      D->section != &D->sections[secmatch])

-    D->status = DASM_S_MATCH_SEC|(D->section-D->sections);

-  return D->status;

-}

-#endif

-