1 files changed, 0 insertions, 359 deletions

diff --git a/lib/LuaJIT/src/host/buildvm_asm.c b/lib/LuaJIT/src/host/buildvm_asm.c
deleted file mode 100644
index 43595b3..0000000
--- a/lib/LuaJIT/src/host/buildvm_asm.c
+++ /dev/null
@@ -1,359 +0,0 @@
-/*
-** LuaJIT VM builder: Assembler source code emitter.
-** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h
-*/
-
-#include "buildvm.h"
-#include "lj_bc.h"
-
-/* ------------------------------------------------------------------------ */
-
-#if LJ_TARGET_X86ORX64
-/* Emit bytes piecewise as assembler text. */
-static void emit_asm_bytes(BuildCtx *ctx, uint8_t *p, int n)
-{
-  int i;
-  for (i = 0; i < n; i++) {
-    if ((i & 15) == 0)
-      fprintf(ctx->fp, "\t.byte %d", p[i]);
-    else
-      fprintf(ctx->fp, ",%d", p[i]);
-    if ((i & 15) == 15) putc('\n', ctx->fp);
-  }
-  if ((n & 15) != 0) putc('\n', ctx->fp);
-}
-
-/* Emit relocation */
-static void emit_asm_reloc(BuildCtx *ctx, int type, const char *sym)
-{
-  switch (ctx->mode) {
-  case BUILD_elfasm:
-    if (type)
-      fprintf(ctx->fp, "\t.long %s-.-4\n", sym);
-    else
-      fprintf(ctx->fp, "\t.long %s\n", sym);
-    break;
-  case BUILD_coffasm:
-    fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", sym);
-    if (type)
-      fprintf(ctx->fp, "\t.long %s-.-4\n", sym);
-    else
-      fprintf(ctx->fp, "\t.long %s\n", sym);
-    break;
-  default:  /* BUILD_machasm for relative relocations handled below. */
-    fprintf(ctx->fp, "\t.long %s\n", sym);
-    break;
-  }
-}
-
-static const char *const jccnames[] = {
-  "jo", "jno", "jb", "jnb", "jz", "jnz", "jbe", "ja",
-  "js", "jns", "jpe", "jpo", "jl", "jge", "jle", "jg"
-};
-
-/* Emit x86/x64 text relocations. */
-static void emit_asm_reloc_text(BuildCtx *ctx, uint8_t *cp, int n,
-				const char *sym)
-{
-  const char *opname = NULL;
-  if (--n < 0) goto err;
-  if (cp[n] == 0xe8) {
-    opname = "call";
-  } else if (cp[n] == 0xe9) {
-    opname = "jmp";
-  } else if (cp[n] >= 0x80 && cp[n] <= 0x8f && n > 0 && cp[n-1] == 0x0f) {
-    opname = jccnames[cp[n]-0x80];
-    n--;
-  } else {
-err:
-    fprintf(stderr, "Error: unsupported opcode for %s symbol relocation.\n",
-	    sym);
-    exit(1);
-  }
-  emit_asm_bytes(ctx, cp, n);
-  if (strncmp(sym+(*sym == '_'), LABEL_PREFIX, sizeof(LABEL_PREFIX)-1)) {
-    /* Various fixups for external symbols outside of our binary. */
-    if (ctx->mode == BUILD_elfasm) {
-      if (LJ_32)
-	fprintf(ctx->fp, "#if __PIC__\n\t%s lj_wrap_%s\n#else\n", opname, sym);
-      fprintf(ctx->fp, "\t%s %s@PLT\n", opname, sym);
-      if (LJ_32)
-	fprintf(ctx->fp, "#endif\n");
-      return;
-    } else if (LJ_32 && ctx->mode == BUILD_machasm) {
-      fprintf(ctx->fp, "\t%s L%s$stub\n", opname, sym);
-      return;
-    }
-  }
-  fprintf(ctx->fp, "\t%s %s\n", opname, sym);
-}
-#else
-/* Emit words piecewise as assembler text. */
-static void emit_asm_words(BuildCtx *ctx, uint8_t *p, int n)
-{
-  int i;
-  for (i = 0; i < n; i += 4) {
-    uint32_t ins = *(uint32_t *)(p+i);
-#if LJ_TARGET_ARM64 && LJ_BE
-    ins = lj_bswap(ins);  /* ARM64 instructions are always little-endian. */
-#endif
-    if ((i & 15) == 0)
-      fprintf(ctx->fp, "\t.long 0x%08x", ins);
-    else
-      fprintf(ctx->fp, ",0x%08x", ins);
-    if ((i & 15) == 12) putc('\n', ctx->fp);
-  }
-  if ((n & 15) != 0) putc('\n', ctx->fp);
-}
-
-/* Emit relocation as part of an instruction. */
-static void emit_asm_wordreloc(BuildCtx *ctx, uint8_t *p, int n,
-			       const char *sym)
-{
-  uint32_t ins;
-  emit_asm_words(ctx, p, n-4);
-  ins = *(uint32_t *)(p+n-4);
-#if LJ_TARGET_ARM
-  if ((ins & 0xff000000u) == 0xfa000000u) {
-    fprintf(ctx->fp, "\tblx %s\n", sym);
-  } else if ((ins & 0x0e000000u) == 0x0a000000u) {
-    fprintf(ctx->fp, "\t%s%.2s %s\n", (ins & 0x01000000u) ? "bl" : "b",
-	    &"eqnecsccmiplvsvchilsgeltgtle"[2*(ins >> 28)], sym);
-  } else {
-    fprintf(stderr,
-	    "Error: unsupported opcode %08x for %s symbol relocation.\n",
-	    ins, sym);
-    exit(1);
-  }
-#elif LJ_TARGET_ARM64
-  if ((ins >> 26) == 0x25u) {
-    fprintf(ctx->fp, "\tbl %s\n", sym);
-  } else {
-    fprintf(stderr,
-	    "Error: unsupported opcode %08x for %s symbol relocation.\n",
-	    ins, sym);
-    exit(1);
-  }
-#elif LJ_TARGET_PPC
-#if LJ_TARGET_PS3
-#define TOCPREFIX "."
-#else
-#define TOCPREFIX ""
-#endif
-  if ((ins >> 26) == 16) {
-    fprintf(ctx->fp, "\t%s %d, %d, " TOCPREFIX "%s\n",
-	    (ins & 1) ? "bcl" : "bc", (ins >> 21) & 31, (ins >> 16) & 31, sym);
-  } else if ((ins >> 26) == 18) {
-#if LJ_ARCH_PPC64
-    const char *suffix = strchr(sym, '@');
-    if (suffix && suffix[1] == 'h') {
-      fprintf(ctx->fp, "\taddis 11, 2, %s\n", sym);
-    } else if (suffix && suffix[1] == 'l') {
-      fprintf(ctx->fp, "\tld 12, %s\n", sym);
-    } else
-#endif
-    fprintf(ctx->fp, "\t%s " TOCPREFIX "%s\n", (ins & 1) ? "bl" : "b", sym);
-  } else {
-    fprintf(stderr,
-	    "Error: unsupported opcode %08x for %s symbol relocation.\n",
-	    ins, sym);
-    exit(1);
-  }
-#elif LJ_TARGET_MIPS
-  fprintf(stderr,
-	  "Error: unsupported opcode %08x for %s symbol relocation.\n",
-	  ins, sym);
-  exit(1);
-#else
-#error "missing relocation support for this architecture"
-#endif
-}
-#endif
-
-#if LJ_TARGET_ARM
-#define ELFASM_PX	"%%"
-#else
-#define ELFASM_PX	"@"
-#endif
-
-/* Emit an assembler label. */
-static void emit_asm_label(BuildCtx *ctx, const char *name, int size, int isfunc)
-{
-  switch (ctx->mode) {
-  case BUILD_elfasm:
-#if LJ_TARGET_PS3
-    if (!strncmp(name, "lj_vm_", 6) &&
-	strcmp(name, ctx->beginsym) &&
-	!strstr(name, "hook")) {
-      fprintf(ctx->fp,
-	"\n\t.globl %s\n"
-	"\t.section \".opd\",\"aw\"\n"
-	"%s:\n"
-	"\t.long .%s,.TOC.@tocbase32\n"
-	"\t.size %s,8\n"
-	"\t.previous\n"
-	"\t.globl .%s\n"
-	"\t.hidden .%s\n"
-	"\t.type .%s, " ELFASM_PX "function\n"
-	"\t.size .%s, %d\n"
-	".%s:\n",
-	name, name, name, name, name, name, name, name, size, name);
-      break;
-    }
-#endif
-    fprintf(ctx->fp,
-      "\n\t.globl %s\n"
-      "\t.hidden %s\n"
-      "\t.type %s, " ELFASM_PX "%s\n"
-      "\t.size %s, %d\n"
-      "%s:\n",
-      name, name, name, isfunc ? "function" : "object", name, size, name);
-    break;
-  case BUILD_coffasm:
-    fprintf(ctx->fp, "\n\t.globl %s\n", name);
-    if (isfunc)
-      fprintf(ctx->fp, "\t.def %s; .scl 3; .type 32; .endef\n", name);
-    fprintf(ctx->fp, "%s:\n", name);
-    break;
-  case BUILD_machasm:
-    fprintf(ctx->fp,
-      "\n\t.private_extern %s\n"
-      "\t.no_dead_strip %s\n"
-      "%s:\n", name, name, name);
-    break;
-  default:
-    break;
-  }
-}
-
-/* Emit alignment. */
-static void emit_asm_align(BuildCtx *ctx, int bits)
-{
-  switch (ctx->mode) {
-  case BUILD_elfasm:
-  case BUILD_coffasm:
-    fprintf(ctx->fp, "\t.p2align %d\n", bits);
-    break;
-  case BUILD_machasm:
-    fprintf(ctx->fp, "\t.align %d\n", bits);
-    break;
-  default:
-    break;
-  }
-}
-
-/* ------------------------------------------------------------------------ */
-
-/* Emit assembler source code. */
-void emit_asm(BuildCtx *ctx)
-{
-  int i, rel;
-
-  fprintf(ctx->fp, "\t.file \"buildvm_%s.dasc\"\n", ctx->dasm_arch);
-#if LJ_ARCH_PPC64
-  fprintf(ctx->fp, "\t.abiversion 2\n");
-#endif
-  fprintf(ctx->fp, "\t.text\n");
-  emit_asm_align(ctx, 4);
-
-#if LJ_TARGET_PS3
-  emit_asm_label(ctx, ctx->beginsym, ctx->codesz, 0);
-#else
-  emit_asm_label(ctx, ctx->beginsym, 0, 0);
-#endif
-  if (ctx->mode != BUILD_machasm)
-    fprintf(ctx->fp, ".Lbegin:\n");
-
-#if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND
-  /* This should really be moved into buildvm_arm.dasc. */
-#if LJ_ARCH_HASFPU
-  fprintf(ctx->fp,
-	  ".fnstart\n"
-	  ".save {r5, r6, r7, r8, r9, r10, r11, lr}\n"
-	  ".vsave {d8-d15}\n"
-	  ".save {r4}\n"
-	  ".pad #28\n");
-#else
-  fprintf(ctx->fp,
-	  ".fnstart\n"
-	  ".save {r4, r5, r6, r7, r8, r9, r10, r11, lr}\n"
-	  ".pad #28\n");
-#endif
-#endif
-#if LJ_TARGET_MIPS
-  fprintf(ctx->fp, ".set nomips16\n.abicalls\n.set noreorder\n.set nomacro\n");
-#endif
-
-  for (i = rel = 0; i < ctx->nsym; i++) {
-    int32_t ofs = ctx->sym[i].ofs;
-    int32_t next = ctx->sym[i+1].ofs;
-#if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND && LJ_HASFFI
-    if (!strcmp(ctx->sym[i].name, "lj_vm_ffi_call"))
-      fprintf(ctx->fp,
-	      ".globl lj_err_unwind_arm\n"
-	      ".personality lj_err_unwind_arm\n"
-	      ".fnend\n"
-	      ".fnstart\n"
-	      ".save {r4, r5, r11, lr}\n"
-	      ".setfp r11, sp\n");
-#endif
-    emit_asm_label(ctx, ctx->sym[i].name, next - ofs, 1);
-    while (rel < ctx->nreloc && ctx->reloc[rel].ofs <= next) {
-      BuildReloc *r = &ctx->reloc[rel];
-      int n = r->ofs - ofs;
-#if LJ_TARGET_X86ORX64
-      if (r->type != 0 &&
-	  (ctx->mode == BUILD_elfasm || ctx->mode == BUILD_machasm)) {
-	emit_asm_reloc_text(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]);
-      } else {
-	emit_asm_bytes(ctx, ctx->code+ofs, n);
-	emit_asm_reloc(ctx, r->type, ctx->relocsym[r->sym]);
-      }
-      ofs += n+4;
-#else
-      emit_asm_wordreloc(ctx, ctx->code+ofs, n, ctx->relocsym[r->sym]);
-      ofs += n;
-#endif
-      rel++;
-    }
-#if LJ_TARGET_X86ORX64
-    emit_asm_bytes(ctx, ctx->code+ofs, next-ofs);
-#else
-    emit_asm_words(ctx, ctx->code+ofs, next-ofs);
-#endif
-  }
-
-#if LJ_TARGET_ARM && defined(__GNUC__) && !LJ_NO_UNWIND
-  fprintf(ctx->fp,
-#if !LJ_HASFFI
-	  ".globl lj_err_unwind_arm\n"
-	  ".personality lj_err_unwind_arm\n"
-#endif
-	  ".fnend\n");
-#endif
-
-  fprintf(ctx->fp, "\n");
-  switch (ctx->mode) {
-  case BUILD_elfasm:
-#if !(LJ_TARGET_PS3 || LJ_TARGET_PSVITA)
-    fprintf(ctx->fp, "\t.section .note.GNU-stack,\"\"," ELFASM_PX "progbits\n");
-#endif
-#if LJ_TARGET_PPC && !LJ_TARGET_PS3 && !LJ_ABI_SOFTFP
-    /* Hard-float ABI. */
-    fprintf(ctx->fp, "\t.gnu_attribute 4, 1\n");
-#endif
-    /* fallthrough */
-  case BUILD_coffasm:
-    fprintf(ctx->fp, "\t.ident \"%s\"\n", ctx->dasm_ident);
-    break;
-  case BUILD_machasm:
-    fprintf(ctx->fp,
-      "\t.cstring\n"
-      "\t.ascii \"%s\\0\"\n", ctx->dasm_ident);
-    break;
-  default:
-    break;
-  }
-  fprintf(ctx->fp, "\n");
-}
-