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[smlnj] Annotation of /sml/trunk/src/cm/bootstrap/btcompile.sml
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Annotation of /sml/trunk/src/cm/bootstrap/btcompile.sml

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1 : blume 327 (*
2 :     * The bootstrap compiler.
3 :     * (Formerly known as "batch" compiler.)
4 :     *
5 :     * (C) 1999 Lucent Technologies, Bell Laboratories
6 :     *
7 :     * Author: Matthias Blume (blume@kurims.kyoto-u.ac.jp)
8 :     *)
9 : blume 452 functor BootstrapCompileFn (structure MachDepVC : MACHDEP_VC
10 :     val os : SMLofNJ.SysInfo.os_kind) :> sig
11 : blume 364 val make' : string option -> bool
12 :     val make : unit -> bool
13 : blume 362 val deliver' : string option -> bool
14 :     val deliver : unit -> bool
15 :     val reset : unit -> unit
16 : blume 434 val symval : string -> { get: unit -> int option, set: int option -> unit }
17 : blume 357 end = struct
18 :    
19 : blume 327 structure EM = GenericVC.ErrorMsg
20 :     structure E = GenericVC.Environment
21 :     structure SE = GenericVC.CMStaticEnv
22 :     structure BE = GenericVC.BareEnvironment
23 :     structure PS = GenericVC.PersStamps
24 :     structure CoerceEnv = GenericVC.CoerceEnv
25 : blume 336 structure SSV = SpecificSymValFn (structure MachDepVC = MachDepVC
26 :     val os = os)
27 : blume 364 structure P = OS.Path
28 :     structure F = OS.FileSys
29 : blume 403 structure BF = MachDepVC.Binfile
30 : blume 327
31 : blume 452 val arch = MachDepVC.architecture
32 :     val osname = FilenamePolicy.kind2name os
33 :     val archos = concat [arch, "-", osname]
34 :    
35 : blume 456 fun init_servers (GroupGraph.GROUP { grouppath, ... }) =
36 : blume 464 Servers.cmb { archos = archos,
37 :     root = SrcPath.descr grouppath }
38 : blume 456
39 : blume 448 structure Compile = CompileFn (structure MachDepVC = MachDepVC
40 : blume 464 val compile_there =
41 :     Servers.compile o SrcPath.descr)
42 : blume 360
43 : blume 403 structure BFC = BfcFn (structure MachDepVC = MachDepVC)
44 :    
45 : blume 327 (* instantiate Stabilize... *)
46 : blume 329 structure Stabilize =
47 : blume 452 StabilizeFn (fun destroy_state _ i = Compile.evict i
48 : blume 403 structure MachDepVC = MachDepVC
49 : blume 399 fun recomp gp g = let
50 : blume 403 val { store, get } = BFC.new ()
51 : blume 456 val _ = init_servers g
52 : blume 399 val { group, ... } =
53 : blume 403 Compile.newTraversal (fn _ => fn _ => (),
54 :     store, g)
55 : blume 399 in
56 : blume 450 case Servers.withServers (fn () => group gp) of
57 : blume 403 NONE => NONE
58 :     | SOME _ => SOME get
59 :     end
60 :     val getII = Compile.getII)
61 : blume 398
62 : blume 327 (* ... and Parse *)
63 : blume 362 structure Parse = ParseFn (structure Stabilize = Stabilize
64 : blume 372 fun pending () = SymbolMap.empty)
65 : blume 327
66 : blume 366 (* copying an input file to an output file safely... *)
67 : blume 368 fun copyFile (oi, ci, oo, co, inp, outp, eof) (inf, outf) = let
68 :     fun workIn is = let
69 :     fun workOut os = let
70 : blume 366 val N = 4096
71 :     fun loop () =
72 : blume 368 if eof is then () else (outp (os, inp (is, N)); loop ())
73 : blume 366 in
74 :     loop ()
75 :     end
76 :     in
77 : blume 368 SafeIO.perform { openIt = fn () => oo outf,
78 :     closeIt = co,
79 : blume 366 work = workOut,
80 : blume 459 cleanup = fn _ =>
81 : blume 366 (F.remove outf handle _ => ()) }
82 :     end
83 : blume 364 in
84 : blume 368 SafeIO.perform { openIt = fn () => oi inf,
85 :     closeIt = ci,
86 : blume 366 work = workIn,
87 : blume 459 cleanup = fn _ => () }
88 : blume 364 end
89 : blume 327
90 : blume 368 val copyTextFile =
91 :     copyFile (TextIO.openIn, TextIO.closeIn,
92 :     AutoDir.openTextOut, TextIO.closeOut,
93 :     TextIO.inputN, TextIO.output, TextIO.endOfStream)
94 :    
95 :     val copyBinFile =
96 :     copyFile (BinIO.openIn, BinIO.closeIn,
97 :     AutoDir.openBinOut, BinIO.closeOut,
98 :     BinIO.inputN, BinIO.output, BinIO.endOfStream)
99 :    
100 : blume 456 fun mk_compile deliver root dbopt = let
101 : blume 358
102 : blume 360 val dirbase = getOpt (dbopt, BtNames.dirbaseDefault)
103 :     val pcmodespec = BtNames.pcmodespec
104 :     val initgspec = BtNames.initgspec
105 :     val maingspec = BtNames.maingspec
106 :    
107 : blume 452 val bindir = concat [dirbase, ".bin.", archos]
108 :     val bootdir = concat [dirbase, ".boot.", archos]
109 : blume 357
110 : blume 364 fun listName (p, copy) =
111 :     case P.fromString p of
112 :     { vol = "", isAbs = false, arcs = arc0 :: arc1 :: arcn } => let
113 :     fun win32name () =
114 :     concat (arc1 ::
115 :     foldr (fn (a, r) => "\\" :: a :: r) [] arcn)
116 :     fun doCopy () = let
117 :     val bootpath =
118 :     P.toString { isAbs = false, vol = "",
119 :     arcs = bootdir :: arc1 :: arcn }
120 :     in
121 : blume 368 copyBinFile (p, bootpath)
122 : blume 364 end
123 :     in
124 :     if copy andalso arc0 = bindir then doCopy () else ();
125 :     case os of
126 :     SMLofNJ.SysInfo.WIN32 => win32name ()
127 :     | _ => P.toString { isAbs = false, vol = "",
128 :     arcs = arc1 :: arcn }
129 :     end
130 :     | _ => raise Fail "BootstrapCompile:listName: bad name"
131 :    
132 : blume 433 val keep_going = #get StdConfig.keep_going ()
133 : blume 329
134 : blume 354 val ctxt = SrcPath.cwdContext ()
135 : blume 329
136 : blume 364 val pidfile = P.joinDirFile { dir = bootdir, file = "RTPID" }
137 :     val listfile = P.joinDirFile { dir = bootdir, file = "BOOTLIST" }
138 : blume 329
139 : blume 361 val pcmode = PathConfig.new ()
140 :     val _ = PathConfig.processSpecFile (pcmode, pcmodespec)
141 : blume 329
142 : blume 354 fun stdpath s = SrcPath.standard pcmode { context = ctxt, spec = s }
143 : blume 352
144 :     val initgspec = stdpath initgspec
145 : blume 456 val maingspec =
146 :     case root of
147 :     NONE => stdpath maingspec
148 : blume 457 | SOME r => SrcPath.fromDescr pcmode r
149 : blume 352
150 : blume 360 val cmifile = valOf (SrcPath.reAnchoredName (initgspec, bootdir))
151 :     handle Option => raise Fail "BootstrapCompile: cmifile"
152 :    
153 : blume 364 val fnpolicy =
154 : blume 357 FilenamePolicy.separate { bindir = bindir, bootdir = bootdir }
155 :     { arch = arch, os = os }
156 :    
157 : blume 364 fun mkParam { primconf, pervasive, pervcorepids }
158 : blume 357 { corenv } =
159 : blume 349 { primconf = primconf,
160 :     fnpolicy = fnpolicy,
161 :     pcmode = pcmode,
162 : blume 433 symval = SSV.symval,
163 : blume 349 keep_going = keep_going,
164 :     pervasive = pervasive,
165 :     corenv = corenv,
166 :     pervcorepids = pervcorepids }
167 :    
168 : blume 327 val emptydyn = E.dynamicPart E.emptyEnv
169 :    
170 :     (* first, build an initial GeneralParam.info, so we can
171 :     * deal with the pervasive env and friends... *)
172 :    
173 : blume 360 val primconf = Primitive.primEnvConf
174 : blume 349 val mkInitParam = mkParam { primconf = primconf,
175 :     pervasive = E.emptyEnv,
176 : blume 364 pervcorepids = PidSet.empty }
177 : blume 327
178 : blume 349 val param_nocore = mkInitParam { corenv = BE.staticPart BE.emptyEnv }
179 :    
180 : blume 327 val groupreg = GroupReg.new ()
181 :     val errcons = EM.defaultConsumer ()
182 : blume 329 val ginfo_nocore = { param = param_nocore, groupreg = groupreg,
183 :     errcons = errcons }
184 : blume 327
185 : blume 449 fun mk_main_compile arg = let
186 : blume 450
187 : blume 335 val { rts, core, pervasive, primitives, binpaths } = arg
188 : blume 327
189 : blume 329 val ovldR = GenericVC.Control.overloadKW
190 :     val savedOvld = !ovldR
191 :     val _ = ovldR := true
192 : blume 400 val sbnode = Compile.newSbnodeTraversal ()
193 : blume 329
194 : blume 327 (* here we build a new gp -- the one that uses the freshly
195 :     * brewed pervasive env, core env, and primitives *)
196 : blume 398 val core = valOf (sbnode ginfo_nocore core)
197 : blume 461 val corenv = CoerceEnv.es2bs (#env (#statenv core ()))
198 : blume 460 val core_sym = #symenv core ()
199 : blume 329
200 :     (* The following is a bit of a hack (but corenv is a hack anyway):
201 :     * As soon as we have core available, we have to patch the
202 :     * ginfo to include the correct corenv (because virtually
203 :     * everybody else needs access to corenv). *)
204 : blume 349 val param_justcore = mkInitParam { corenv = corenv }
205 : blume 329 val ginfo_justcore = { param = param_justcore, groupreg = groupreg,
206 :     errcons = errcons }
207 :    
208 : blume 398 fun rt n = valOf (sbnode ginfo_justcore n)
209 : blume 327 val rts = rt rts
210 :     val pervasive = rt pervasive
211 :    
212 :     fun sn2pspec (name, n) = let
213 : blume 460 val { statenv, symenv, statpid, sympid } = rt n
214 : blume 461 val { env = static, ctxt } = statenv ()
215 : blume 327 val env =
216 : blume 461 E.mkenv { static = static,
217 : blume 398 symbolic = symenv (),
218 :     dynamic = emptydyn }
219 : blume 461 val pidInfo =
220 :     { statpid = statpid, sympid = sympid, ctxt = ctxt }
221 : blume 327 in
222 :     { name = name, env = env, pidInfo = pidInfo }
223 :     end
224 :    
225 :     val pspecs = map sn2pspec primitives
226 :    
227 : blume 329 val _ = ovldR := savedOvld
228 :    
229 : blume 372 (* The following is a hack but must be done for both the symbolic
230 : blume 356 * and later the dynamic part of the core environment:
231 :     * we must include these parts in the pervasive env. *)
232 : blume 460 val perv_sym = E.layerSymbolic (#symenv pervasive (),
233 : blume 398 core_sym)
234 : blume 356
235 : blume 349 val param =
236 :     mkParam { primconf = Primitive.configuration pspecs,
237 : blume 461 pervasive =
238 :     E.mkenv { static = #env (#statenv pervasive ()),
239 :     symbolic = perv_sym,
240 :     dynamic = emptydyn },
241 : blume 327 pervcorepids =
242 :     PidSet.addList (PidSet.empty,
243 : blume 460 [#statpid pervasive,
244 :     #sympid pervasive,
245 :     #statpid core]) }
246 : blume 349 { corenv = corenv }
247 : blume 362 val stab =
248 :     if deliver then SOME true else NONE
249 : blume 327 in
250 : blume 456 Servers.dirbase dirbase;
251 : blume 362 case Parse.parse NONE param stab maingspec of
252 : blume 449 NONE => NONE
253 : blume 399 | SOME (g, gp) => let
254 : blume 449 fun thunk () = let
255 : blume 456 val _ = init_servers g
256 : blume 449 fun store _ = ()
257 :     val { group = recomp, ... } =
258 :     Compile.newTraversal (fn _ => fn _ => (), store, g)
259 : blume 450 val res =
260 :     Servers.withServers (fn () => recomp gp)
261 : blume 449 in
262 : blume 450 if isSome res then let
263 : blume 460 val rtspid = PS.toHex (#statpid rts)
264 : blume 449 fun writeList s = let
265 :     fun add ((p, flag), l) = let
266 :     val n = listName (p, true)
267 :     in
268 :     if flag then n :: l else l
269 :     end
270 :     fun transcribe (p, NONE) = listName (p, true)
271 :     | transcribe (p, SOME (off, desc)) =
272 :     concat [listName (p, false),
273 :     "@", Int.toString off, ":", desc]
274 :     val bootstrings =
275 :     foldr add
276 :     (map transcribe (MkBootList.group g))
277 :     binpaths
278 :     fun show str =
279 :     (TextIO.output (s, str);
280 :     TextIO.output (s, "\n"))
281 : blume 364 in
282 : blume 449 app show bootstrings
283 : blume 364 end
284 : blume 349 in
285 : blume 449 if deliver then
286 :     (SafeIO.perform
287 :     { openIt = fn () =>
288 :     AutoDir.openTextOut pidfile,
289 :     closeIt = TextIO.closeOut,
290 :     work = fn s =>
291 :     TextIO.output (s, rtspid ^ "\n"),
292 : blume 459 cleanup = fn _ =>
293 : blume 449 OS.FileSys.remove pidfile
294 :     handle _ => () };
295 :     SafeIO.perform
296 :     { openIt = fn () =>
297 :     AutoDir.openTextOut listfile,
298 :     closeIt = TextIO.closeOut,
299 :     work = writeList,
300 : blume 459 cleanup = fn _ =>
301 : blume 449 OS.FileSys.remove listfile
302 :     handle _ => () };
303 :     copyTextFile (SrcPath.osstring initgspec,
304 :     cmifile);
305 :     Say.say ["Runtime System PID is: ",
306 :     rtspid, "\n"])
307 :     else ();
308 :     true
309 : blume 349 end
310 : blume 449 else false
311 : blume 349 end
312 : blume 449 in
313 : blume 457 SOME ((g, gp, pcmode), thunk)
314 : blume 399 end
315 : blume 449 end handle Option => (Compile.reset (); NONE)
316 : blume 330 (* to catch valOf failures in "rt" *)
317 : blume 327 in
318 : blume 329 case BuildInitDG.build ginfo_nocore initgspec of
319 : blume 449 SOME x => mk_main_compile x
320 :     | NONE => NONE
321 : blume 327 end
322 : blume 362
323 : blume 449 fun compile deliver dbopt =
324 : blume 456 case mk_compile deliver NONE dbopt of
325 : blume 450 NONE => false
326 : blume 459 | SOME (_, thunk) => thunk ()
327 : blume 449
328 :     local
329 : blume 456 fun slave (dirbase, root) =
330 :     case mk_compile false (SOME root) (SOME dirbase) of
331 : blume 449 NONE => NONE
332 : blume 457 | SOME ((g, gp, pcmode), _) => let
333 : blume 449 val trav = Compile.newSbnodeTraversal () gp
334 :     fun trav' sbn = isSome (trav sbn)
335 :     in
336 : blume 457 SOME (g, trav', pcmode)
337 : blume 449 end
338 :     in
339 : blume 452 val _ = CMBSlaveHook.init archos slave
340 : blume 449 end
341 :    
342 : blume 362 fun reset () =
343 : blume 398 (Compile.reset ();
344 : blume 367 Parse.reset ())
345 : blume 377
346 :     val make' = compile false
347 :     fun make () = make' NONE
348 :     fun deliver' arg =
349 :     SafeIO.perform { openIt = fn () => (),
350 :     closeIt = reset,
351 :     work = fn () => compile true arg,
352 : blume 459 cleanup = fn _ => () }
353 : blume 377 fun deliver () = deliver' NONE
354 : blume 434 val symval = SSV.symval
355 : blume 327 end

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