Move lib/* to src/jit/*.

1 files changed, 0 insertions, 500 deletions

diff --git a/lib/bcsave.lua b/lib/bcsave.lua
deleted file mode 100644
index 70cb6925..00000000
--- a/lib/bcsave.lua
+++ /dev/null
@@ -1,500 +0,0 @@
-----------------------------------------------------------------------------
--- LuaJIT module to save/list bytecode.
---
--- Copyright (C) 2005-2012 Mike Pall. All rights reserved.
--- Released under the MIT license. See Copyright Notice in luajit.h
-----------------------------------------------------------------------------
---
--- This module saves or lists the bytecode for an input file.
--- It's run by the -b command line option.
---
-------------------------------------------------------------------------------
-
-local jit = require("jit")
-assert(jit.version_num == 20000, "LuaJIT core/library version mismatch")
-
--- Symbol name prefix for LuaJIT bytecode.
-local LJBC_PREFIX = "luaJIT_BC_"
-
-------------------------------------------------------------------------------
-
-local function usage()
-  io.stderr:write[[
-Save LuaJIT bytecode: luajit -b[options] input output
-  -l        Only list bytecode.
-  -s        Strip debug info (default).
-  -g        Keep debug info.
-  -n name   Set module name (default: auto-detect from input name).
-  -t type   Set output file type (default: auto-detect from output name).
-  -a arch   Override architecture for object files (default: native).
-  -o os     Override OS for object files (default: native).
-  -e chunk  Use chunk string as input.
-  --        Stop handling options.
-  -         Use stdin as input and/or stdout as output.
-
-File types: c h obj o raw (default)
-]]
-  os.exit(1)
-end
-
-local function check(ok, ...)
-  if ok then return ok, ... end
-  io.stderr:write("luajit: ", ...)
-  io.stderr:write("\n")
-  os.exit(1)
-end
-
-local function readfile(input)
-  if type(input) == "function" then return input end
-  if input == "-" then input = nil end
-  return check(loadfile(input))
-end
-
-local function savefile(name, mode)
-  if name == "-" then return io.stdout end
-  return check(io.open(name, mode))
-end
-
-------------------------------------------------------------------------------
-
-local map_type = {
-  raw = "raw", c = "c", h = "h", o = "obj", obj = "obj",
-}
-
-local map_arch = {
-  x86 = true, x64 = true, arm = true, ppc = true, ppcspe = true,
-  mips = true, mipsel = true,
-}
-
-local map_os = {
-  linux = true, windows = true, osx = true, freebsd = true, netbsd = true,
-  openbsd = true, solaris = true,
-}
-
-local function checkarg(str, map, err)
-  str = string.lower(str)
-  local s = check(map[str], "unknown ", err)
-  return s == true and str or s
-end
-
-local function detecttype(str)
-  local ext = string.match(string.lower(str), "%.(%a+)$")
-  return map_type[ext] or "raw"
-end
-
-local function checkmodname(str)
-  check(string.match(str, "^[%w_.%-]+$"), "bad module name")
-  return string.gsub(str, "[%.%-]", "_")
-end
-
-local function detectmodname(str)
-  if type(str) == "string" then
-    local tail = string.match(str, "[^/\\]+$")
-    if tail then str = tail end
-    local head = string.match(str, "^(.*)%.[^.]*$")
-    if head then str = head end
-    str = string.match(str, "^[%w_.%-]+")
-  else
-    str = nil
-  end
-  check(str, "cannot derive module name, use -n name")
-  return string.gsub(str, "[%.%-]", "_")
-end
-
-------------------------------------------------------------------------------
-
-local function bcsave_tail(fp, output, s)
-  local ok, err = fp:write(s)
-  if ok and output ~= "-" then ok, err = fp:close() end
-  check(ok, "cannot write ", output, ": ", err)
-end
-
-local function bcsave_raw(output, s)
-  local fp = savefile(output, "wb")
-  bcsave_tail(fp, output, s)
-end
-
-local function bcsave_c(ctx, output, s)
-  local fp = savefile(output, "w")
-  if ctx.type == "c" then
-    fp:write(string.format([[
-#ifdef _cplusplus
-extern "C"
-#endif
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-const char %s%s[] = {
-]], LJBC_PREFIX, ctx.modname))
-  else
-    fp:write(string.format([[
-#define %s%s_SIZE %d
-static const char %s%s[] = {
-]], LJBC_PREFIX, ctx.modname, #s, LJBC_PREFIX, ctx.modname))
-  end
-  local t, n, m = {}, 0, 0
-  for i=1,#s do
-    local b = tostring(string.byte(s, i))
-    m = m + #b + 1
-    if m > 78 then
-      fp:write(table.concat(t, ",", 1, n), ",\n")
-      n, m = 0, #b + 1
-    end
-    n = n + 1
-    t[n] = b
-  end
-  bcsave_tail(fp, output, table.concat(t, ",", 1, n).."\n};\n")
-end
-
-local function bcsave_elfobj(ctx, output, s, ffi)
-  ffi.cdef[[
-typedef struct {
-  uint8_t emagic[4], eclass, eendian, eversion, eosabi, eabiversion, epad[7];
-  uint16_t type, machine;
-  uint32_t version;
-  uint32_t entry, phofs, shofs;
-  uint32_t flags;
-  uint16_t ehsize, phentsize, phnum, shentsize, shnum, shstridx;
-} ELF32header;
-typedef struct {
-  uint8_t emagic[4], eclass, eendian, eversion, eosabi, eabiversion, epad[7];
-  uint16_t type, machine;
-  uint32_t version;
-  uint64_t entry, phofs, shofs;
-  uint32_t flags;
-  uint16_t ehsize, phentsize, phnum, shentsize, shnum, shstridx;
-} ELF64header;
-typedef struct {
-  uint32_t name, type, flags, addr, ofs, size, link, info, align, entsize;
-} ELF32sectheader;
-typedef struct {
-  uint32_t name, type;
-  uint64_t flags, addr, ofs, size;
-  uint32_t link, info;
-  uint64_t align, entsize;
-} ELF64sectheader;
-typedef struct {
-  uint32_t name, value, size;
-  uint8_t info, other;
-  uint16_t sectidx;
-} ELF32symbol;
-typedef struct {
-  uint32_t name;
-  uint8_t info, other;
-  uint16_t sectidx;
-  uint64_t value, size;
-} ELF64symbol;
-typedef struct {
-  ELF32header hdr;
-  ELF32sectheader sect[6];
-  ELF32symbol sym[2];
-  uint8_t space[4096];
-} ELF32obj;
-typedef struct {
-  ELF64header hdr;
-  ELF64sectheader sect[6];
-  ELF64symbol sym[2];
-  uint8_t space[4096];
-} ELF64obj;
-]]
-  local symname = LJBC_PREFIX..ctx.modname
-  local is64, isbe = false, false
-  if ctx.arch == "x64" then
-    is64 = true
-  elseif ctx.arch == "ppc" or ctx.arch == "ppcspe" or ctx.arch == "mips" then
-    isbe = true
-  end
-
-  -- Handle different host/target endianess.
-  local function f32(x) return x end
-  local f16, fofs = f32, f32
-  if ffi.abi("be") ~= isbe then
-    f32 = bit.bswap
-    function f16(x) return bit.rshift(bit.bswap(x), 16) end
-    if is64 then
-      function fofs(x) return bit.bswap(x)*(2ll^32) end
-    else
-      fofs = f32
-    end
-  end
-
-  -- Create ELF object and fill in header.
-  local o = ffi.new(is64 and "ELF64obj" or "ELF32obj")
-  local hdr = o.hdr
-  if ctx.os == "bsd" or ctx.os == "other" then -- Determine native hdr.eosabi.
-    local bf = assert(io.open("/bin/ls", "rb"))
-    local bs = bf:read(9)
-    bf:close()
-    ffi.copy(o, bs, 9)
-    check(hdr.emagic[0] == 127, "no support for writing native object files")
-  else
-    hdr.emagic = "\127ELF"
-    hdr.eosabi = ({ freebsd=9, netbsd=2, openbsd=12, solaris=6 })[ctx.os] or 0
-  end
-  hdr.eclass = is64 and 2 or 1
-  hdr.eendian = isbe and 2 or 1
-  hdr.eversion = 1
-  hdr.type = f16(1)
-  hdr.machine = f16(({ x86=3, x64=62, arm=40, ppc=20, ppcspe=20, mips=8, mipsel=8 })[ctx.arch])
-  if ctx.arch == "mips" or ctx.arch == "mipsel" then
-    hdr.flags = 0x50001006
-  end
-  hdr.version = f32(1)
-  hdr.shofs = fofs(ffi.offsetof(o, "sect"))
-  hdr.ehsize = f16(ffi.sizeof(hdr))
-  hdr.shentsize = f16(ffi.sizeof(o.sect[0]))
-  hdr.shnum = f16(6)
-  hdr.shstridx = f16(2)
-
-  -- Fill in sections and symbols.
-  local sofs, ofs = ffi.offsetof(o, "space"), 1
-  for i,name in ipairs{
-      ".symtab", ".shstrtab", ".strtab", ".rodata", ".note.GNU-stack",
-    } do
-    local sect = o.sect[i]
-    sect.align = fofs(1)
-    sect.name = f32(ofs)
-    ffi.copy(o.space+ofs, name)
-    ofs = ofs + #name+1
-  end
-  o.sect[1].type = f32(2) -- .symtab
-  o.sect[1].link = f32(3)
-  o.sect[1].info = f32(1)
-  o.sect[1].align = fofs(8)
-  o.sect[1].ofs = fofs(ffi.offsetof(o, "sym"))
-  o.sect[1].entsize = fofs(ffi.sizeof(o.sym[0]))
-  o.sect[1].size = fofs(ffi.sizeof(o.sym))
-  o.sym[1].name = f32(1)
-  o.sym[1].sectidx = f16(4)
-  o.sym[1].size = fofs(#s)
-  o.sym[1].info = 17
-  o.sect[2].type = f32(3) -- .shstrtab
-  o.sect[2].ofs = fofs(sofs)
-  o.sect[2].size = fofs(ofs)
-  o.sect[3].type = f32(3) -- .strtab
-  o.sect[3].ofs = fofs(sofs + ofs)
-  o.sect[3].size = fofs(#symname+1)
-  ffi.copy(o.space+ofs+1, symname)
-  ofs = ofs + #symname + 2
-  o.sect[4].type = f32(1) -- .rodata
-  o.sect[4].flags = fofs(2)
-  o.sect[4].ofs = fofs(sofs + ofs)
-  o.sect[4].size = fofs(#s)
-  o.sect[5].type = f32(1) -- .note.GNU-stack
-  o.sect[5].ofs = fofs(sofs + ofs + #s)
-
-  -- Write ELF object file.
-  local fp = savefile(output, "wb")
-  fp:write(ffi.string(o, ffi.sizeof(o)-4096+ofs))
-  bcsave_tail(fp, output, s)
-end
-
-local function bcsave_peobj(ctx, output, s, ffi)
-  ffi.cdef[[
-typedef struct {
-  uint16_t arch, nsects;
-  uint32_t time, symtabofs, nsyms;
-  uint16_t opthdrsz, flags;
-} PEheader;
-typedef struct {
-  char name[8];
-  uint32_t vsize, vaddr, size, ofs, relocofs, lineofs;
-  uint16_t nreloc, nline;
-  uint32_t flags;
-} PEsection;
-typedef struct __attribute((packed)) {
-  union {
-    char name[8];
-    uint32_t nameref[2];
-  };
-  uint32_t value;
-  int16_t sect;
-  uint16_t type;
-  uint8_t scl, naux;
-} PEsym;
-typedef struct __attribute((packed)) {
-  uint32_t size;
-  uint16_t nreloc, nline;
-  uint32_t cksum;
-  uint16_t assoc;
-  uint8_t comdatsel, unused[3];
-} PEsymaux;
-typedef struct {
-  PEheader hdr;
-  PEsection sect[2];
-  // Must be an even number of symbol structs.
-  PEsym sym0;
-  PEsymaux sym0aux;
-  PEsym sym1;
-  PEsymaux sym1aux;
-  PEsym sym2;
-  PEsym sym3;
-  uint32_t strtabsize;
-  uint8_t space[4096];
-} PEobj;
-]]
-  local symname = LJBC_PREFIX..ctx.modname
-  local is64 = false
-  if ctx.arch == "x86" then
-    symname = "_"..symname
-  elseif ctx.arch == "x64" then
-    is64 = true
-  end
-  local symexport = "   /EXPORT:"..symname..",DATA "
-
-  -- The file format is always little-endian. Swap if the host is big-endian.
-  local function f32(x) return x end
-  local f16 = f32
-  if ffi.abi("be") then
-    f32 = bit.bswap
-    function f16(x) return bit.rshift(bit.bswap(x), 16) end
-  end
-
-  -- Create PE object and fill in header.
-  local o = ffi.new("PEobj")
-  local hdr = o.hdr
-  hdr.arch = f16(({ x86=0x14c, x64=0x8664, arm=0x1c0, ppc=0x1f2, mips=0x366, mipsel=0x366 })[ctx.arch])
-  hdr.nsects = f16(2)
-  hdr.symtabofs = f32(ffi.offsetof(o, "sym0"))
-  hdr.nsyms = f32(6)
-
-  -- Fill in sections and symbols.
-  o.sect[0].name = ".drectve"
-  o.sect[0].size = f32(#symexport)
-  o.sect[0].flags = f32(0x00100a00)
-  o.sym0.sect = f16(1)
-  o.sym0.scl = 3
-  o.sym0.name = ".drectve"
-  o.sym0.naux = 1
-  o.sym0aux.size = f32(#symexport)
-  o.sect[1].name = ".rdata"
-  o.sect[1].size = f32(#s)
-  o.sect[1].flags = f32(0x40300040)
-  o.sym1.sect = f16(2)
-  o.sym1.scl = 3
-  o.sym1.name = ".rdata"
-  o.sym1.naux = 1
-  o.sym1aux.size = f32(#s)
-  o.sym2.sect = f16(2)
-  o.sym2.scl = 2
-  o.sym2.nameref[1] = f32(4)
-  o.sym3.sect = f16(-1)
-  o.sym3.scl = 2
-  o.sym3.value = f32(1)
-  o.sym3.name = "@feat.00" -- Mark as SafeSEH compliant.
-  ffi.copy(o.space, symname)
-  local ofs = #symname + 1
-  o.strtabsize = f32(ofs + 4)
-  o.sect[0].ofs = f32(ffi.offsetof(o, "space") + ofs)
-  ffi.copy(o.space + ofs, symexport)
-  ofs = ofs + #symexport
-  o.sect[1].ofs = f32(ffi.offsetof(o, "space") + ofs)
-
-  -- Write PE object file.
-  local fp = savefile(output, "wb")
-  fp:write(ffi.string(o, ffi.sizeof(o)-4096+ofs))
-  bcsave_tail(fp, output, s)
-end
-
-local function bcsave_machobj(ctx, output, s, ffi)
-  check(false, "NYI: no support for writing OSX object files")
-end
-
-local function bcsave_obj(ctx, output, s)
-  local ok, ffi = pcall(require, "ffi")
-  check(ok, "FFI library required to write this file type")
-  if ctx.os == "windows" then
-    return bcsave_peobj(ctx, output, s, ffi)
-  elseif ctx.os == "osx" then
-    return bcsave_machobj(ctx, output, s, ffi)
-  else
-    return bcsave_elfobj(ctx, output, s, ffi)
-  end
-end
-
-------------------------------------------------------------------------------
-
-local function bclist(input, output)
-  local f = readfile(input)
-  require("jit.bc").dump(f, savefile(output, "w"), true)
-end
-
-local function bcsave(ctx, input, output)
-  local f = readfile(input)
-  local s = string.dump(f, ctx.strip)
-  local t = ctx.type
-  if not t then
-    t = detecttype(output)
-    ctx.type = t
-  end
-  if t == "raw" then
-    bcsave_raw(output, s)
-  else
-    if not ctx.modname then ctx.modname = detectmodname(input) end
-    if t == "obj" then
-      bcsave_obj(ctx, output, s)
-    else
-      bcsave_c(ctx, output, s)
-    end
-  end
-end
-
-local function docmd(...)
-  local arg = {...}
-  local n = 1
-  local list = false
-  local ctx = {
-    strip = true, arch = jit.arch, os = string.lower(jit.os),
-    type = false, modname = false,
-  }
-  while n <= #arg do
-    local a = arg[n]
-    if type(a) == "string" and string.sub(a, 1, 1) == "-" and a ~= "-" then
-      table.remove(arg, n)
-      if a == "--" then break end
-      for m=2,#a do
-        local opt = string.sub(a, m, m)
-        if opt == "l" then
-          list = true
-        elseif opt == "s" then
-          ctx.strip = true
-        elseif opt == "g" then
-          ctx.strip = false
-        else
-          if arg[n] == nil or m ~= #a then usage() end
-          if opt == "e" then
-            if n ~= 1 then usage() end
-            arg[1] = check(loadstring(arg[1]))
-          elseif opt == "n" then
-            ctx.modname = checkmodname(table.remove(arg, n))
-          elseif opt == "t" then
-            ctx.type = checkarg(table.remove(arg, n), map_type, "file type")
-          elseif opt == "a" then
-            ctx.arch = checkarg(table.remove(arg, n), map_arch, "architecture")
-          elseif opt == "o" then
-            ctx.os = checkarg(table.remove(arg, n), map_os, "OS name")
-          else
-            usage()
-          end
-        end
-      end
-    else
-      n = n + 1
-    end
-  end
-  if list then
-    if #arg == 0 or #arg > 2 then usage() end
-    bclist(arg[1], arg[2] or "-")
-  else
-    if #arg ~= 2 then usage() end
-    bcsave(ctx, arg[1], arg[2])
-  end
-end
-
-------------------------------------------------------------------------------
-
--- Public module functions.
-module(...)
-
-start = docmd -- Process -b command line option.
-