mirror of
https://github.com/odin-lang/Odin.git
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a4f08f8307
Each ISA's hand-written ENCODING_TABLE (the single source of truth) now lives in a per-arch tablegen/ metaprogram that flattens it and serializes committed binary blobs; the library #loads those into @(rodata) at compile time rather than compiling a table body. No arch keeps encoding_table.odin or decoding_tables.odin -- only a generated tables.odin loader and tables/*.bin. * Two-stage, type-checked pipeline: tablegen Stage A emits human-readable generated Odin, which compiles and serializes the blobs in Stage B. * encode() goes through encoding_forms(m); decoders are unchanged apart from x86's flattened 2-D index. Decode tables are byte-identical to the old ones. * build.lua: a LuaJIT driver for the metaprograms, validations, and tests, with cross-platform gating and a clear report. * Docs refreshed; the obsolete forward-looking plan in cross_arch_design.md trimmed to what was actually built. * Attribution headers added to all rexcode source files; the generators emit them so generated files keep them.
435 lines
20 KiB
Lua
Executable File
435 lines
20 KiB
Lua
Executable File
#!/usr/bin/env luajit
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-- rexcode · Brendan Punsky (dotbmp@github), original author
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--[[============================================================================
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rexcode build driver
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Drives the pre-build metaprograms (table generation), validations, and tests
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for every `core:rexcode` ISA, with cross-platform (Linux / macOS / Windows)
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gating and a clear report.
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USAGE
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luajit build.lua # no flags -> this help screen
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luajit build.lua all # do everything (gen + check + test), all ISAs
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luajit build.lua --gen --isa x86 # only (re)generate x86's tables
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luajit build.lua --check --test # validate + test all ISAs (using committed blobs)
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luajit build.lua --verify --isa mips # external-tool verification where available
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luajit build.lua --list # ISA x task availability for THIS platform
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TASKS
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--gen run the two metaprograms: ENCODING_TABLE -> generated Odin -> tables/*.bin
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--check `odin check` (compiles against the #loaded blobs) + structural invariants
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--test run each ISA's test suite
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--verify round-trip against an external assembler/disassembler (llvm-mc, da65, ...)
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--idempotent re-run --gen and confirm the generated files + blobs are byte-stable
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all shorthand for `--gen --check --test`
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OPTIONS
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--isa <list> comma/space-separated ISAs (default: all). e.g. --isa x86,arm64
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--odin <path> compiler to use (default: the in-repo ./odin — it has fixes not in
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a released/system odin, so prefer it)
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--root <path> rexcode root (default: auto-detected from this script's location)
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--no-color disable ANSI color
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-h, --help this screen
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--list availability matrix for the current platform
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PLATFORM NOTES
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* The in-repo compiler must be built first (./build_odin.sh, or build.bat on Windows).
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* `--test` for x86 JIT-executes x86-64 machine code, so it only runs on an x86-64
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host; it is skipped (with a message) elsewhere. All other ISAs' tests are portable.
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* `--verify` needs the matching external tool in PATH; the retro ISAs use shell
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scripts and are skipped on Windows. Missing tools are skipped, never fatal.
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============================================================================]]--
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-- ----------------------------------------------------------------------------
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-- platform
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-- ----------------------------------------------------------------------------
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local OS = jit.os -- "Linux" | "OSX" | "Windows" | "BSD" | ...
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local ARCH = jit.arch -- "x64" | "x86" | "arm64" | "arm" | ...
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local WIN = (OS == "Windows")
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local HOST_X64 = (ARCH == "x64")
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local EXE = WIN and ".exe" or ""
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local use_color = not WIN or os.getenv("WT_SESSION") ~= nil or os.getenv("ANSICON") ~= nil
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local function paint(code, s) return use_color and ("\27["..code.."m"..s.."\27[0m") or s end
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local function bold(s) return paint("1", s) end
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local function green(s) return paint("32", s) end
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local function red(s) return paint("31", s) end
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local function yellow(s)return paint("33", s) end
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local function dim(s) return paint("2", s) end
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-- ----------------------------------------------------------------------------
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-- small utilities
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-- ----------------------------------------------------------------------------
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local function q(s) return '"' .. s .. '"' end
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-- Run a command; capture combined output; success via a shell-portable sentinel
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-- (works in both POSIX sh and Windows cmd, regardless of popen close() quirks).
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local function run(cmd)
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local p = io.popen(cmd .. " 2>&1 && echo __RX_OK__ || echo __RX_FAIL__")
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local out = p:read("*a") or ""
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p:close()
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local ok = out:match("__RX_OK__%s*$") ~= nil
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out = out:gsub("__RX_OK__%s*$", ""):gsub("__RX_FAIL__%s*$", "")
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return ok, out
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end
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local function file_exists(path)
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local f = io.open(path, "rb"); if f then f:close(); return true end; return false
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end
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local function read_file(path)
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local f = io.open(path, "rb"); if not f then return nil end
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local d = f:read("*a"); f:close(); return d
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end
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local function cwd()
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local p = io.popen(WIN and "cd" or "pwd")
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local d = p:read("*l"); p:close()
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return (d or "."):gsub("\\", "/")
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end
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-- Is a tool present in PATH?
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local function have_tool(name)
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local probe = WIN and ("where " .. q(name)) or ("command -v " .. q(name))
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local ok = run(probe)
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return ok
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end
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-- ----------------------------------------------------------------------------
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-- locate the rexcode root and the in-repo compiler
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-- ----------------------------------------------------------------------------
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local function script_dir()
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local s = (arg and arg[0] or ""):gsub("\\", "/")
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return s:match("^(.*)/[^/]*$") or "."
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end
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local function find_root(override)
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local function ok_root(d) return d and file_exists(d .. "/isa/labels.odin") end
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if override then return override end
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local sd, here = script_dir(), cwd()
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local cands = { sd, here, here .. "/" .. sd, here .. "/core/rexcode", "core/rexcode", "." }
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for _, d in ipairs(cands) do if ok_root(d) then return (d:gsub("/%.$","")) end end
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return sd -- best effort
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end
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-- ----------------------------------------------------------------------------
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-- ISA catalog
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-- ----------------------------------------------------------------------------
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-- test_x64: test suite JIT-executes target code -> needs an x86-64 host (x86 only).
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-- verify: {tool=<PATH binary>, kind="odin"|"sh", harness=<file under tools/>}
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local ISAS = {
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{ name="x86", test_x64=true, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="arm32", test_x64=false, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="arm64", test_x64=false, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="mips", test_x64=false, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="riscv", test_x64=false, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="ppc", test_x64=false, verify={tool="llvm-mc", kind="odin", harness="verify_against_llvm.odin"} },
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{ name="ppc_vle", test_x64=false, verify={tool="powerpc-eabivle-as", kind="sh", harness="verify_against_vle_as.sh"} },
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{ name="rsp", test_x64=false, verify={tool="armips", kind="sh", harness="verify_against_armips.sh"} },
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{ name="mos6502", test_x64=false, verify={tool="xa", kind="sh", harness="verify_against_xa.sh"} },
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{ name="mos65816", test_x64=false, verify={tool="ca65", kind="sh", harness="verify_against_ca65.sh"} },
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}
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local ISA_BY_NAME = {}; for _, a in ipairs(ISAS) do ISA_BY_NAME[a.name] = a end
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-- ----------------------------------------------------------------------------
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-- argument parsing
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-- ----------------------------------------------------------------------------
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local function parse_args(argv)
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local o = { tasks={}, isas=nil, odin=nil, root=nil, help=false, list=false }
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local i = 1
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local function val(flag)
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i = i + 1
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if not argv[i] then io.stderr:write("error: "..flag.." needs a value\n"); os.exit(2) end
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return argv[i]
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end
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while argv[i] do
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local a = argv[i]
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if a == "-h" or a == "--help" then o.help = true
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elseif a == "--list" then o.list = true
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elseif a == "all" or a == "--all" then o.tasks.gen=true; o.tasks.check=true; o.tasks.test=true
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elseif a == "--gen" or a == "--generate" then o.tasks.gen = true
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elseif a == "--check" or a == "--validate" then o.tasks.check = true
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elseif a == "--test" then o.tasks.test = true
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elseif a == "--verify" then o.tasks.verify = true
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elseif a == "--idempotent" or a == "--idem" then o.tasks.idempotent = true
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elseif a == "--no-color" then use_color = false
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elseif a == "--isa" then o.isas = val("--isa")
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elseif a == "--odin" then o.odin = val("--odin")
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elseif a == "--root" then o.root = val("--root")
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elseif a:match("^%-%-isa=") then o.isas = a:sub(7)
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elseif a:match("^%-%-odin=") then o.odin = a:sub(8)
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elseif a:match("^%-%-root=") then o.root = a:sub(8)
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else io.stderr:write("error: unknown argument '"..a.."' (try --help)\n"); os.exit(2) end
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i = i + 1
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end
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return o
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end
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local function selected_isas(spec)
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if not spec then local t={}; for _,a in ipairs(ISAS) do t[#t+1]=a end; return t end
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local t = {}
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for name in spec:gmatch("[%w_]+") do
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local a = ISA_BY_NAME[name]
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if not a then io.stderr:write("error: unknown ISA '"..name.."'\n"); os.exit(2) end
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t[#t+1] = a
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end
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return t
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end
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-- ----------------------------------------------------------------------------
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-- availability for the current platform
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-- ----------------------------------------------------------------------------
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-- returns ok(bool), reason(string|nil)
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local function avail(isa, task, ctx)
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if task == "test" and isa.test_x64 and not HOST_X64 then
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return false, "needs x86-64 host (this is "..ARCH..")"
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end
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if task == "verify" then
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local v = isa.verify
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if v.kind == "sh" and WIN then return false, v.harness.." (shell script) unsupported on Windows" end
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if not ctx.tools[v.tool] then return false, v.tool.." not in PATH" end
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end
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return true, nil
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end
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-- ----------------------------------------------------------------------------
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-- tasks
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-- ----------------------------------------------------------------------------
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local ODIN, ROOT, OUT -- set in main
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local function pkg(isa, sub) return ROOT .. "/" .. isa.name .. (sub and ("/"..sub) or "") end
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local function odin_run(target) return q(ODIN).." run "..q(target).." -out:"..q(OUT) end
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local function odin_check(target)return q(ODIN).." check "..q(target).." -no-entry-point" end
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-- structural invariants for the migrated layout
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local function structural(isa)
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local p, bad = pkg(isa), {}
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local function must(rel) if not file_exists(p.."/"..rel) then bad[#bad+1]="missing "..rel end end
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local function absent(rel) if file_exists(p.."/"..rel) then bad[#bad+1]="stray "..rel end end
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must("tables.odin"); must("tablegen/encoding_table.odin"); must("tablegen/gen.odin")
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must("tablegen/generated/encode_tables.odin"); must("tablegen/generated/decode_tables.odin")
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must("tablegen/generated/writer.odin")
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absent("encoding_table.odin"); absent("decoding_tables.odin"); absent("tools/gen_decode_tables.odin")
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if #bad == 0 then return true end
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return false, table.concat(bad, "; ")
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end
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-- blob paths an ISA's tables.odin #loads (parsed from the loader)
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local function blob_paths(isa)
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local txt = read_file(pkg(isa).."/tables.odin") or ""
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local t = {}
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for name in txt:gmatch('#load%("(tables/[%w%._%-]+)"') do t[#t+1] = pkg(isa).."/"..name end
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return t
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end
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local function gen_files(isa)
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local t = { pkg(isa).."/tables.odin",
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pkg(isa).."/tablegen/generated/encode_tables.odin",
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pkg(isa).."/tablegen/generated/decode_tables.odin" }
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for _, b in ipairs(blob_paths(isa)) do t[#t+1] = b end
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return t
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end
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local function do_gen(isa)
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local okA, outA = run(odin_run(pkg(isa, "tablegen")))
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if not okA then return false, "Stage A failed:\n"..outA end
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local okB, outB = run(odin_run(pkg(isa, "tablegen/generated")))
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if not okB then return false, "Stage B failed:\n"..outB end
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-- counts line from Stage A (e.g. "x86 tablegen: 2355 encode forms, ...")
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return true, (outA:match("tablegen:%s*(.-)\n") or ""):gsub("%s+$","")
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end
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local function do_check(isa)
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local s_ok, s_why = structural(isa)
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if not s_ok then return false, "structure: "..s_why end
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local c_ok, c_out = run(odin_check(pkg(isa)))
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if not c_ok then return false, "odin check failed:\n"..(c_out:match("(.-Error:.-)\n") or c_out) end
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return true, "structure + compile"
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end
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local function do_test(isa)
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local ok, out = run(odin_run(pkg(isa, "tests")))
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local fails = out:match("([1-9]%d* failed)")
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if not ok or fails then return false, (fails or "test run failed").."\n"..out:sub(-400) end
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local cases = out:match("(%d+ cases? validated)")
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if not cases then
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local n = 0; for p in out:gmatch("(%d+) passed") do n = n + tonumber(p) end
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if n > 0 then cases = n .. " passed" end
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end
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return true, cases or "passed"
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end
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local function do_verify(isa)
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local v = isa.verify
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local cmd
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if v.kind == "odin" then
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cmd = q(ODIN).." run "..q(pkg(isa, "tools/"..v.harness)).." -file -out:"..q(OUT)
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else
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cmd = "sh "..q(pkg(isa, "tools/"..v.harness))
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end
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local ok, out = run(cmd)
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if not ok then return false, "verify failed:\n"..out:sub(-400) end
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return true, "matched "..v.tool
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end
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local function do_idempotent(isa)
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local files = gen_files(isa)
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local before = {}
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for _, f in ipairs(files) do before[f] = read_file(f) end
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local ok, why = do_gen(isa)
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if not ok then return false, "re-gen failed: "..why end
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local changed = {}
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for _, f in ipairs(files) do
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if read_file(f) ~= before[f] then changed[#changed+1] = f:match("[^/]+$") end
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end
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if #changed == 0 then return true, "byte-stable ("..#files.." artifacts)" end
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return false, "changed on re-gen: "..table.concat(changed, ", ")
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end
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local TASK_FN = { gen=do_gen, check=do_check, test=do_test, verify=do_verify, idempotent=do_idempotent }
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local TASK_ORDER = { "gen", "check", "test", "verify", "idempotent" }
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local TASK_LABEL = { gen="generate", check="validate", test="test", verify="verify", idempotent="idempotent" }
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-- ----------------------------------------------------------------------------
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-- help / list
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-- ----------------------------------------------------------------------------
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local function platform_line()
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return ("%s / %s (luajit %s)"):format(OS, ARCH, (jit.version:match("LuaJIT (%S+)") or "?"))
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end
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local function print_help(ctx)
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print(bold("rexcode build driver") .. " — generate tables, validate, and test the core:rexcode ISAs")
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print()
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print(" Platform : " .. platform_line())
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local cstat = ctx.odin_ok and green("[found] "..ODIN) or red("[NOT BUILT] expected "..ODIN.." — run ./build_odin.sh")
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print(" Compiler : " .. cstat)
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print()
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print(bold("USAGE"))
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print(" luajit build.lua " .. dim("# no flags -> this help"))
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print(" luajit build.lua all " .. dim("# everything (gen + check + test), all ISAs"))
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print(" luajit build.lua --gen --isa x86 " .. dim("# only regenerate x86's tables"))
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print(" luajit build.lua --check --test " .. dim("# validate + test (using committed blobs)"))
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print(" luajit build.lua --list " .. dim("# availability matrix for this platform"))
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print()
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print(bold("TASKS") .. dim(" (availability on " .. OS .. "/" .. ARCH .. ")"))
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print(" --gen metaprograms: ENCODING_TABLE -> generated Odin -> tables/*.bin " .. green("all ISAs"))
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print(" --check odin check (compiles vs #loaded blobs) + structural invariants " .. green("all ISAs"))
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local tnote = HOST_X64 and green("all ISAs") or yellow("x86 skipped (needs x86-64 host)")
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print(" --test run each ISA's test suite " .. tnote)
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print(" --verify round-trip vs external assembler/disassembler " .. yellow("per-tool (see --list)"))
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print(" --idempotent re-run --gen and confirm byte-stable output " .. green("all ISAs"))
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print(" all = --gen --check --test")
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print()
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print(bold("OPTIONS"))
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print(" --isa <list> comma/space ISAs (default: all): " .. dim("x86 arm32 arm64 mips riscv ppc ppc_vle rsp mos6502 mos65816"))
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print(" --odin <path> compiler (default: in-repo ./odin) --root <path> rexcode root")
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print(" --no-color plain output -h, --help this screen --list availability matrix")
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print()
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print(dim("The in-repo ./odin is required (it has fixes not in released/system odin)."))
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end
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local function print_list(ctx)
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print(bold("ISA availability on ") .. bold(OS .. "/" .. ARCH))
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print(dim((" %-10s %-7s %-7s %-18s %s"):format("ISA","gen","check","test","verify")))
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for _, isa in ipairs(ISAS) do
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local t_ok, t_why = avail(isa, "test", ctx)
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local v_ok, v_why = avail(isa, "verify", ctx)
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local tcol = t_ok and green("yes") or yellow("skip")
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local vcol = v_ok and green("yes ("..isa.verify.tool..")") or yellow("skip: "..(v_why or "?"))
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print((" %-10s %-7s %-7s %-18s %s"):format(
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isa.name, green("yes"), green("yes"), tcol .. (t_ok and "" or " "..dim(t_why or "")), vcol))
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end
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end
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-- ----------------------------------------------------------------------------
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-- main
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-- ----------------------------------------------------------------------------
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local function main()
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local o = parse_args(arg)
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ROOT = (find_root(o.root)):gsub("/+$","")
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ODIN = o.odin or (ROOT .. "/../.." .. "/odin" .. EXE)
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-- normalize ../.. once for tidy messages
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ODIN = ODIN:gsub("/core/rexcode/%.%./%.%./", "/")
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local ctx = { odin_ok = file_exists(ODIN) or o.odin ~= nil, tools = {} }
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-- probe each distinct verify tool once
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local probed = {}
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for _, isa in ipairs(ISAS) do
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local tname = isa.verify.tool
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if probed[tname] == nil then probed[tname] = have_tool(tname) end
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ctx.tools[tname] = probed[tname]
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end
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local temp = (WIN and (os.getenv("TEMP") or os.getenv("TMP")) or (os.getenv("TMPDIR") or "/tmp")) or "."
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OUT = (temp:gsub("\\","/"):gsub("/+$","")) .. "/rexcode_build" .. EXE
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if o.help then print_help(ctx); return 0 end
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if o.list then print_list(ctx); return 0 end
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local tasks = {}
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for _, t in ipairs(TASK_ORDER) do if o.tasks[t] then tasks[#tasks+1] = t end end
|
|
if #tasks == 0 then print_help(ctx); return 0 end
|
|
|
|
if not ctx.odin_ok then
|
|
print(red("error: the in-repo compiler was not found at:\n ") .. ODIN)
|
|
print("Build it first: " .. (WIN and "build.bat" or "./build_odin.sh") ..
|
|
" (or pass --odin <path>).")
|
|
return 2
|
|
end
|
|
|
|
local isas = selected_isas(o.isas)
|
|
print(bold("rexcode") .. " " .. dim(platform_line()) .. " odin=" .. dim(ODIN))
|
|
print(dim(("tasks: %s isas: %d"):format(table.concat(tasks, " "), #isas)))
|
|
|
|
local t0 = os.time()
|
|
local results, nfail, nskip = {}, 0, 0
|
|
for _, task in ipairs(tasks) do
|
|
print()
|
|
print(bold("== " .. TASK_LABEL[task]:upper() .. " =="))
|
|
for _, isa in ipairs(isas) do
|
|
results[isa.name] = results[isa.name] or {}
|
|
local ok_av, why = avail(isa, task, ctx)
|
|
io.write((" %-10s %-11s "):format(isa.name, task))
|
|
io.flush()
|
|
if not ok_av then
|
|
results[isa.name][task] = "skip"; nskip = nskip + 1
|
|
print(yellow("skip") .. " " .. dim(why))
|
|
else
|
|
local ok, detail = TASK_FN[task](isa)
|
|
results[isa.name][task] = ok and "ok" or "fail"
|
|
if ok then print(green("ok") .. " " .. dim(detail or ""))
|
|
else nfail = nfail + 1; print(red("FAIL") .. " " .. (detail or ""):gsub("\n", "\n ")) end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- summary matrix
|
|
print()
|
|
print(bold("== REPORT ==") .. dim((" %ds"):format(os.time() - t0)))
|
|
io.write(dim((" %-10s"):format("ISA")))
|
|
for _, t in ipairs(tasks) do io.write(dim(("%-12s"):format(t))) end
|
|
print()
|
|
for _, isa in ipairs(isas) do
|
|
io.write((" %-10s"):format(isa.name))
|
|
for _, t in ipairs(tasks) do
|
|
local s = results[isa.name][t] or "--"
|
|
local c = (s == "ok" and green("ok")) or (s == "fail" and red("FAIL")) or (s == "skip" and yellow("skip")) or dim("--")
|
|
io.write(c .. string.rep(" ", math.max(2, 12 - #s)))
|
|
end
|
|
print()
|
|
end
|
|
print()
|
|
if nfail == 0 then
|
|
print(green(bold("PASS")) .. (" (%d skipped)"):format(nskip))
|
|
return 0
|
|
else
|
|
print(red(bold("FAIL")) .. (" %d failed, %d skipped"):format(nfail, nskip))
|
|
return 1
|
|
end
|
|
end
|
|
|
|
os.exit(main())
|