1 files changed, 0 insertions, 392 deletions

diff --git a/lib/LuaJIT/src/host/buildvm_peobj.c b/lib/LuaJIT/src/host/buildvm_peobj.c
deleted file mode 100644
index 2eb2bb7..0000000
--- a/lib/LuaJIT/src/host/buildvm_peobj.c
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
-** LuaJIT VM builder: PE object emitter.
-** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
-**
-** Only used for building on Windows, since we cannot assume the presence
-** of a suitable assembler. The host and target byte order must match.
-*/
-
-#include "buildvm.h"
-#include "lj_bc.h"
-
-#if LJ_TARGET_X86ORX64 || LJ_TARGET_PPC
-
-/* Context for PE object emitter. */
-static char *strtab;
-static size_t strtabofs;
-
-/* -- PE object definitions ----------------------------------------------- */
-
-/* PE header. */
-typedef struct PEheader {
-  uint16_t arch;
-  uint16_t nsects;
-  uint32_t time;
-  uint32_t symtabofs;
-  uint32_t nsyms;
-  uint16_t opthdrsz;
-  uint16_t flags;
-} PEheader;
-
-/* PE section. */
-typedef struct PEsection {
-  char name[8];
-  uint32_t vsize;
-  uint32_t vaddr;
-  uint32_t size;
-  uint32_t ofs;
-  uint32_t relocofs;
-  uint32_t lineofs;
-  uint16_t nreloc;
-  uint16_t nline;
-  uint32_t flags;
-} PEsection;
-
-/* PE relocation. */
-typedef struct PEreloc {
-  uint32_t vaddr;
-  uint32_t symidx;
-  uint16_t type;
-} PEreloc;
-
-/* Cannot use sizeof, because it pads up to the max. alignment. */
-#define PEOBJ_RELOC_SIZE	(4+4+2)
-
-/* PE symbol table entry. */
-typedef struct PEsym {
-  union {
-    char name[8];
-    uint32_t nameref[2];
-  } n;
-  uint32_t value;
-  int16_t sect;
-  uint16_t type;
-  uint8_t scl;
-  uint8_t naux;
-} PEsym;
-
-/* PE symbol table auxiliary entry for a section. */
-typedef struct PEsymaux {
-  uint32_t size;
-  uint16_t nreloc;
-  uint16_t nline;
-  uint32_t cksum;
-  uint16_t assoc;
-  uint8_t comdatsel;
-  uint8_t unused[3];
-} PEsymaux;
-
-/* Cannot use sizeof, because it pads up to the max. alignment. */
-#define PEOBJ_SYM_SIZE	(8+4+2+2+1+1)
-
-/* PE object CPU specific defines. */
-#if LJ_TARGET_X86
-#define PEOBJ_ARCH_TARGET	0x014c
-#define PEOBJ_RELOC_REL32	0x14  /* MS: REL32, GNU: DISP32. */
-#define PEOBJ_RELOC_DIR32	0x06
-#define PEOBJ_RELOC_OFS		0
-#define PEOBJ_TEXT_FLAGS	0x60500020  /* 60=r+x, 50=align16, 20=code. */
-#elif LJ_TARGET_X64
-#define PEOBJ_ARCH_TARGET	0x8664
-#define PEOBJ_RELOC_REL32	0x04  /* MS: REL32, GNU: DISP32. */
-#define PEOBJ_RELOC_DIR32	0x02
-#define PEOBJ_RELOC_ADDR32NB	0x03
-#define PEOBJ_RELOC_OFS		0
-#define PEOBJ_TEXT_FLAGS	0x60500020  /* 60=r+x, 50=align16, 20=code. */
-#elif LJ_TARGET_PPC
-#define PEOBJ_ARCH_TARGET	0x01f2
-#define PEOBJ_RELOC_REL32	0x06
-#define PEOBJ_RELOC_DIR32	0x02
-#define PEOBJ_RELOC_OFS		(-4)
-#define PEOBJ_TEXT_FLAGS	0x60400020  /* 60=r+x, 40=align8, 20=code. */
-#endif
-
-/* Section numbers (0-based). */
-enum {
-  PEOBJ_SECT_ABS = -2,
-  PEOBJ_SECT_UNDEF = -1,
-  PEOBJ_SECT_TEXT,
-#if LJ_TARGET_X64
-  PEOBJ_SECT_PDATA,
-  PEOBJ_SECT_XDATA,
-#elif LJ_TARGET_X86
-  PEOBJ_SECT_SXDATA,
-#endif
-  PEOBJ_SECT_RDATA_Z,
-  PEOBJ_NSECTIONS
-};
-
-/* Symbol types. */
-#define PEOBJ_TYPE_NULL		0
-#define PEOBJ_TYPE_FUNC		0x20
-
-/* Symbol storage class. */
-#define PEOBJ_SCL_EXTERN	2
-#define PEOBJ_SCL_STATIC	3
-
-/* -- PE object emitter --------------------------------------------------- */
-
-/* Emit PE object symbol. */
-static void emit_peobj_sym(BuildCtx *ctx, const char *name, uint32_t value,
-			   int sect, int type, int scl)
-{
-  PEsym sym;
-  size_t len = strlen(name);
-  if (!strtab) {  /* Pass 1: only calculate string table length. */
-    if (len > 8) strtabofs += len+1;
-    return;
-  }
-  if (len <= 8) {
-    memcpy(sym.n.name, name, len);
-    memset(sym.n.name+len, 0, 8-len);
-  } else {
-    sym.n.nameref[0] = 0;
-    sym.n.nameref[1] = (uint32_t)strtabofs;
-    memcpy(strtab + strtabofs, name, len);
-    strtab[strtabofs+len] = 0;
-    strtabofs += len+1;
-  }
-  sym.value = value;
-  sym.sect = (int16_t)(sect+1);  /* 1-based section number. */
-  sym.type = (uint16_t)type;
-  sym.scl = (uint8_t)scl;
-  sym.naux = 0;
-  owrite(ctx, &sym, PEOBJ_SYM_SIZE);
-}
-
-/* Emit PE object section symbol. */
-static void emit_peobj_sym_sect(BuildCtx *ctx, PEsection *pesect, int sect)
-{
-  PEsym sym;
-  PEsymaux aux;
-  if (!strtab) return;  /* Pass 1: no output. */
-  memcpy(sym.n.name, pesect[sect].name, 8);
-  sym.value = 0;
-  sym.sect = (int16_t)(sect+1);  /* 1-based section number. */
-  sym.type = PEOBJ_TYPE_NULL;
-  sym.scl = PEOBJ_SCL_STATIC;
-  sym.naux = 1;
-  owrite(ctx, &sym, PEOBJ_SYM_SIZE);
-  memset(&aux, 0, sizeof(PEsymaux));
-  aux.size = pesect[sect].size;
-  aux.nreloc = pesect[sect].nreloc;
-  owrite(ctx, &aux, PEOBJ_SYM_SIZE);
-}
-
-/* Emit Windows PE object file. */
-void emit_peobj(BuildCtx *ctx)
-{
-  PEheader pehdr;
-  PEsection pesect[PEOBJ_NSECTIONS];
-  uint32_t sofs;
-  int i, nrsym;
-  union { uint8_t b; uint32_t u; } host_endian;
-
-  sofs = sizeof(PEheader) + PEOBJ_NSECTIONS*sizeof(PEsection);
-
-  /* Fill in PE sections. */
-  memset(&pesect, 0, PEOBJ_NSECTIONS*sizeof(PEsection));
-  memcpy(pesect[PEOBJ_SECT_TEXT].name, ".text", sizeof(".text")-1);
-  pesect[PEOBJ_SECT_TEXT].ofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_TEXT].size = (uint32_t)ctx->codesz);
-  pesect[PEOBJ_SECT_TEXT].relocofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_TEXT].nreloc = (uint16_t)ctx->nreloc) * PEOBJ_RELOC_SIZE;
-  /* Flags: 60 = read+execute, 50 = align16, 20 = code. */
-  pesect[PEOBJ_SECT_TEXT].flags = PEOBJ_TEXT_FLAGS;
-
-#if LJ_TARGET_X64
-  memcpy(pesect[PEOBJ_SECT_PDATA].name, ".pdata", sizeof(".pdata")-1);
-  pesect[PEOBJ_SECT_PDATA].ofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_PDATA].size = 6*4);
-  pesect[PEOBJ_SECT_PDATA].relocofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_PDATA].nreloc = 6) * PEOBJ_RELOC_SIZE;
-  /* Flags: 40 = read, 30 = align4, 40 = initialized data. */
-  pesect[PEOBJ_SECT_PDATA].flags = 0x40300040;
-
-  memcpy(pesect[PEOBJ_SECT_XDATA].name, ".xdata", sizeof(".xdata")-1);
-  pesect[PEOBJ_SECT_XDATA].ofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_XDATA].size = 8*2+4+6*2);  /* See below. */
-  pesect[PEOBJ_SECT_XDATA].relocofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_XDATA].nreloc = 1) * PEOBJ_RELOC_SIZE;
-  /* Flags: 40 = read, 30 = align4, 40 = initialized data. */
-  pesect[PEOBJ_SECT_XDATA].flags = 0x40300040;
-#elif LJ_TARGET_X86
-  memcpy(pesect[PEOBJ_SECT_SXDATA].name, ".sxdata", sizeof(".sxdata")-1);
-  pesect[PEOBJ_SECT_SXDATA].ofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_SXDATA].size = 4);
-  pesect[PEOBJ_SECT_SXDATA].relocofs = sofs;
-  /* Flags: 40 = read, 30 = align4, 02 = lnk_info, 40 = initialized data. */
-  pesect[PEOBJ_SECT_SXDATA].flags = 0x40300240;
-#endif
-
-  memcpy(pesect[PEOBJ_SECT_RDATA_Z].name, ".rdata$Z", sizeof(".rdata$Z")-1);
-  pesect[PEOBJ_SECT_RDATA_Z].ofs = sofs;
-  sofs += (pesect[PEOBJ_SECT_RDATA_Z].size = (uint32_t)strlen(ctx->dasm_ident)+1);
-  /* Flags: 40 = read, 30 = align4, 40 = initialized data. */
-  pesect[PEOBJ_SECT_RDATA_Z].flags = 0x40300040;
-
-  /* Fill in PE header. */
-  pehdr.arch = PEOBJ_ARCH_TARGET;
-  pehdr.nsects = PEOBJ_NSECTIONS;
-  pehdr.time = 0;  /* Timestamp is optional. */
-  pehdr.symtabofs = sofs;
-  pehdr.opthdrsz = 0;
-  pehdr.flags = 0;
-
-  /* Compute the size of the symbol table:
-  ** @feat.00 + nsections*2
-  ** + asm_start + nsym
-  ** + nrsym
-  */
-  nrsym = ctx->nrelocsym;
-  pehdr.nsyms = 1+PEOBJ_NSECTIONS*2 + 1+ctx->nsym + nrsym;
-#if LJ_TARGET_X64
-  pehdr.nsyms += 1;  /* Symbol for lj_err_unwind_win. */
-#endif
-
-  /* Write PE object header and all sections. */
-  owrite(ctx, &pehdr, sizeof(PEheader));
-  owrite(ctx, &pesect, sizeof(PEsection)*PEOBJ_NSECTIONS);
-
-  /* Write .text section. */
-  host_endian.u = 1;
-  if (host_endian.b != LJ_ENDIAN_SELECT(1, 0)) {
-#if LJ_TARGET_PPC
-    uint32_t *p = (uint32_t *)ctx->code;
-    int n = (int)(ctx->codesz >> 2);
-    for (i = 0; i < n; i++, p++)
-      *p = lj_bswap(*p);  /* Byteswap .text section. */
-#else
-    fprintf(stderr, "Error: different byte order for host and target\n");
-    exit(1);
-#endif
-  }
-  owrite(ctx, ctx->code, ctx->codesz);
-  for (i = 0; i < ctx->nreloc; i++) {
-    PEreloc reloc;
-    reloc.vaddr = (uint32_t)ctx->reloc[i].ofs + PEOBJ_RELOC_OFS;
-    reloc.symidx = 1+2+ctx->reloc[i].sym;  /* Reloc syms are after .text sym. */
-    reloc.type = ctx->reloc[i].type ? PEOBJ_RELOC_REL32 : PEOBJ_RELOC_DIR32;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-  }
-
-#if LJ_TARGET_X64
-  { /* Write .pdata section. */
-    uint32_t fcofs = (uint32_t)ctx->sym[ctx->nsym-1].ofs;
-    uint32_t pdata[3];  /* Start of .text, end of .text and .xdata. */
-    PEreloc reloc;
-    pdata[0] = 0; pdata[1] = fcofs; pdata[2] = 0;
-    owrite(ctx, &pdata, sizeof(pdata));
-    pdata[0] = fcofs; pdata[1] = (uint32_t)ctx->codesz; pdata[2] = 20;
-    owrite(ctx, &pdata, sizeof(pdata));
-    reloc.vaddr = 0; reloc.symidx = 1+2+nrsym+2+2+1;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-    reloc.vaddr = 4; reloc.symidx = 1+2+nrsym+2+2+1;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-    reloc.vaddr = 8; reloc.symidx = 1+2+nrsym+2;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-    reloc.vaddr = 12; reloc.symidx = 1+2+nrsym+2+2+1;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-    reloc.vaddr = 16; reloc.symidx = 1+2+nrsym+2+2+1;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-    reloc.vaddr = 20; reloc.symidx = 1+2+nrsym+2;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-  }
-  { /* Write .xdata section. */
-    uint16_t xdata[8+2+6];
-    PEreloc reloc;
-    xdata[0] = 0x01|0x08|0x10;  /* Ver. 1, uhandler/ehandler, prolog size 0. */
-    xdata[1] = 0x0005;  /* Number of unwind codes, no frame pointer. */
-    xdata[2] = 0x4200;  /* Stack offset 4*8+8 = aword*5. */
-    xdata[3] = 0x3000;  /* Push rbx. */
-    xdata[4] = 0x6000;  /* Push rsi. */
-    xdata[5] = 0x7000;  /* Push rdi. */
-    xdata[6] = 0x5000;  /* Push rbp. */
-    xdata[7] = 0;  /* Alignment. */
-    xdata[8] = xdata[9] = 0;  /* Relocated address of exception handler. */
-    xdata[10] = 0x01;  /* Ver. 1, no handler, prolog size 0. */
-    xdata[11] = 0x1504;  /* Number of unwind codes, fp = rbp, fpofs = 16. */
-    xdata[12] = 0x0300;  /* set_fpreg. */
-    xdata[13] = 0x0200;  /* stack offset 0*8+8 = aword*1. */
-    xdata[14] = 0x3000;  /* Push rbx. */
-    xdata[15] = 0x5000;  /* Push rbp. */
-    owrite(ctx, &xdata, sizeof(xdata));
-    reloc.vaddr = 2*8; reloc.symidx = 1+2+nrsym+2+2;
-    reloc.type = PEOBJ_RELOC_ADDR32NB;
-    owrite(ctx, &reloc, PEOBJ_RELOC_SIZE);
-  }
-#elif LJ_TARGET_X86
-  /* Write .sxdata section. */
-  for (i = 0; i < nrsym; i++) {
-    if (!strcmp(ctx->relocsym[i], "_lj_err_unwind_win")) {
-      uint32_t symidx = 1+2+i;
-      owrite(ctx, &symidx, 4);
-      break;
-    }
-  }
-  if (i == nrsym) {
-    fprintf(stderr, "Error: extern lj_err_unwind_win not used\n");
-    exit(1);
-  }
-#endif
-
-  /* Write .rdata$Z section. */
-  owrite(ctx, ctx->dasm_ident, strlen(ctx->dasm_ident)+1);
-
-  /* Write symbol table. */
-  strtab = NULL;  /* 1st pass: collect string sizes. */
-  for (;;) {
-    strtabofs = 4;
-    /* Mark as SafeSEH compliant. */
-    emit_peobj_sym(ctx, "@feat.00", 1,
-		   PEOBJ_SECT_ABS, PEOBJ_TYPE_NULL, PEOBJ_SCL_STATIC);
-
-    emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_TEXT);
-    for (i = 0; i < nrsym; i++)
-      emit_peobj_sym(ctx, ctx->relocsym[i], 0,
-		     PEOBJ_SECT_UNDEF, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN);
-
-#if LJ_TARGET_X64
-    emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_PDATA);
-    emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_XDATA);
-    emit_peobj_sym(ctx, "lj_err_unwind_win", 0,
-		   PEOBJ_SECT_UNDEF, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN);
-#elif LJ_TARGET_X86
-    emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_SXDATA);
-#endif
-
-    emit_peobj_sym(ctx, ctx->beginsym, 0,
-		   PEOBJ_SECT_TEXT, PEOBJ_TYPE_NULL, PEOBJ_SCL_EXTERN);
-    for (i = 0; i < ctx->nsym; i++)
-      emit_peobj_sym(ctx, ctx->sym[i].name, (uint32_t)ctx->sym[i].ofs,
-		     PEOBJ_SECT_TEXT, PEOBJ_TYPE_FUNC, PEOBJ_SCL_EXTERN);
-
-    emit_peobj_sym_sect(ctx, pesect, PEOBJ_SECT_RDATA_Z);
-
-    if (strtab)
-      break;
-    /* 2nd pass: alloc strtab, write syms and copy strings. */
-    strtab = (char *)malloc(strtabofs);
-    *(uint32_t *)strtab = (uint32_t)strtabofs;
-  }
-
-  /* Write string table. */
-  owrite(ctx, strtab, strtabofs);
-}
-
-#else
-
-void emit_peobj(BuildCtx *ctx)
-{
-  UNUSED(ctx);
-  fprintf(stderr, "Error: no PE object support for this target\n");
-  exit(1);
-}
-
-#endif