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-rw-r--r--tools/wrk/deps/luajit/src/jit/bcsave.lua659
1 files changed, 0 insertions, 659 deletions
diff --git a/tools/wrk/deps/luajit/src/jit/bcsave.lua b/tools/wrk/deps/luajit/src/jit/bcsave.lua
deleted file mode 100644
index e6d566e534..0000000000
--- a/tools/wrk/deps/luajit/src/jit/bcsave.lua
+++ /dev/null
@@ -1,659 +0,0 @@
-----------------------------------------------------------------------------
--- LuaJIT module to save/list bytecode.
---
--- Copyright (C) 2005-2013 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 == 20002, "LuaJIT core/library version mismatch")
-local bit = require("bit")
-
--- 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
- local two32 = ffi.cast("int64_t", 2^32)
- function fofs(x) return bit.bswap(x)*two32 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)
- ffi.cdef[[
-typedef struct
-{
- uint32_t magic, cputype, cpusubtype, filetype, ncmds, sizeofcmds, flags;
-} mach_header;
-typedef struct
-{
- mach_header; uint32_t reserved;
-} mach_header_64;
-typedef struct {
- uint32_t cmd, cmdsize;
- char segname[16];
- uint32_t vmaddr, vmsize, fileoff, filesize;
- uint32_t maxprot, initprot, nsects, flags;
-} mach_segment_command;
-typedef struct {
- uint32_t cmd, cmdsize;
- char segname[16];
- uint64_t vmaddr, vmsize, fileoff, filesize;
- uint32_t maxprot, initprot, nsects, flags;
-} mach_segment_command_64;
-typedef struct {
- char sectname[16], segname[16];
- uint32_t addr, size;
- uint32_t offset, align, reloff, nreloc, flags;
- uint32_t reserved1, reserved2;
-} mach_section;
-typedef struct {
- char sectname[16], segname[16];
- uint64_t addr, size;
- uint32_t offset, align, reloff, nreloc, flags;
- uint32_t reserved1, reserved2, reserved3;
-} mach_section_64;
-typedef struct {
- uint32_t cmd, cmdsize, symoff, nsyms, stroff, strsize;
-} mach_symtab_command;
-typedef struct {
- int32_t strx;
- uint8_t type, sect;
- int16_t desc;
- uint32_t value;
-} mach_nlist;
-typedef struct {
- uint32_t strx;
- uint8_t type, sect;
- uint16_t desc;
- uint64_t value;
-} mach_nlist_64;
-typedef struct
-{
- uint32_t magic, nfat_arch;
-} mach_fat_header;
-typedef struct
-{
- uint32_t cputype, cpusubtype, offset, size, align;
-} mach_fat_arch;
-typedef struct {
- struct {
- mach_header hdr;
- mach_segment_command seg;
- mach_section sec;
- mach_symtab_command sym;
- } arch[1];
- mach_nlist sym_entry;
- uint8_t space[4096];
-} mach_obj;
-typedef struct {
- struct {
- mach_header_64 hdr;
- mach_segment_command_64 seg;
- mach_section_64 sec;
- mach_symtab_command sym;
- } arch[1];
- mach_nlist_64 sym_entry;
- uint8_t space[4096];
-} mach_obj_64;
-typedef struct {
- mach_fat_header fat;
- mach_fat_arch fat_arch[4];
- struct {
- mach_header hdr;
- mach_segment_command seg;
- mach_section sec;
- mach_symtab_command sym;
- } arch[4];
- mach_nlist sym_entry;
- uint8_t space[4096];
-} mach_fat_obj;
-]]
- local symname = '_'..LJBC_PREFIX..ctx.modname
- local isfat, is64, align, mobj = false, false, 4, "mach_obj"
- if ctx.arch == "x64" then
- is64, align, mobj = true, 8, "mach_obj_64"
- elseif ctx.arch == "arm" then
- isfat, mobj = true, "mach_fat_obj"
- else
- check(ctx.arch == "x86", "unsupported architecture for OSX")
- end
- local function aligned(v, a) return bit.band(v+a-1, -a) end
- local be32 = bit.bswap -- Mach-O FAT is BE, supported archs are LE.
-
- -- Create Mach-O object and fill in header.
- local o = ffi.new(mobj)
- local mach_size = aligned(ffi.offsetof(o, "space")+#symname+2, align)
- local cputype = ({ x86={7}, x64={0x01000007}, arm={7,12,12,12} })[ctx.arch]
- local cpusubtype = ({ x86={3}, x64={3}, arm={3,6,9,11} })[ctx.arch]
- if isfat then
- o.fat.magic = be32(0xcafebabe)
- o.fat.nfat_arch = be32(#cpusubtype)
- end
-
- -- Fill in sections and symbols.
- for i=0,#cpusubtype-1 do
- local ofs = 0
- if isfat then
- local a = o.fat_arch[i]
- a.cputype = be32(cputype[i+1])
- a.cpusubtype = be32(cpusubtype[i+1])
- -- Subsequent slices overlap each other to share data.
- ofs = ffi.offsetof(o, "arch") + i*ffi.sizeof(o.arch[0])
- a.offset = be32(ofs)
- a.size = be32(mach_size-ofs+#s)
- end
- local a = o.arch[i]
- a.hdr.magic = is64 and 0xfeedfacf or 0xfeedface
- a.hdr.cputype = cputype[i+1]
- a.hdr.cpusubtype = cpusubtype[i+1]
- a.hdr.filetype = 1
- a.hdr.ncmds = 2
- a.hdr.sizeofcmds = ffi.sizeof(a.seg)+ffi.sizeof(a.sec)+ffi.sizeof(a.sym)
- a.seg.cmd = is64 and 0x19 or 0x1
- a.seg.cmdsize = ffi.sizeof(a.seg)+ffi.sizeof(a.sec)
- a.seg.vmsize = #s
- a.seg.fileoff = mach_size-ofs
- a.seg.filesize = #s
- a.seg.maxprot = 1
- a.seg.initprot = 1
- a.seg.nsects = 1
- ffi.copy(a.sec.sectname, "__data")
- ffi.copy(a.sec.segname, "__DATA")
- a.sec.size = #s
- a.sec.offset = mach_size-ofs
- a.sym.cmd = 2
- a.sym.cmdsize = ffi.sizeof(a.sym)
- a.sym.symoff = ffi.offsetof(o, "sym_entry")-ofs
- a.sym.nsyms = 1
- a.sym.stroff = ffi.offsetof(o, "sym_entry")+ffi.sizeof(o.sym_entry)-ofs
- a.sym.strsize = aligned(#symname+2, align)
- end
- o.sym_entry.type = 0xf
- o.sym_entry.sect = 1
- o.sym_entry.strx = 1
- ffi.copy(o.space+1, symname)
-
- -- Write Macho-O object file.
- local fp = savefile(output, "wb")
- fp:write(ffi.string(o, mach_size))
- bcsave_tail(fp, output, s)
-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.
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-15 16:08:54 +0000