ref: 57f8b3d1acf273a88568c49d0b83b6863485b9e0
dir: /sys/src/cmd/spin/pangen3.h/
/***** spin: pangen3.h *****/ /* * This file is part of the public release of Spin. It is subject to the * terms in the LICENSE file that is included in this source directory. * Tool documentation is available at http://spinroot.com */ static const char *Head0[] = { "#if defined(BFS) && defined(REACH)", " #undef REACH", /* redundant with bfs */ "#endif", "#ifdef VERI", " #define BASE 1", "#else", " #define BASE 0", "#endif", "typedef struct Trans {", " short atom; /* if &2 = atomic trans; if &8 local */", "#ifdef HAS_UNLESS", " short escp[HAS_UNLESS]; /* lists the escape states */", " short e_trans; /* if set, this is an escp-trans */", "#endif", " short tpe[2]; /* class of operation (for reduction) */", " short qu[6]; /* for conditional selections: qid's */", " uchar ty[6]; /* ditto: type's */", "#ifdef NIBIS", " short om; /* completion status of preselects */", "#endif", " char *tp; /* src txt of statement */", " int st; /* the nextstate */", " int t_id; /* transition id, unique within proc */", " int forw; /* index forward transition */", " int back; /* index return transition */", " struct Trans *nxt;", "} Trans;\n", "#ifdef TRIX", " #define qptr(x) (channels[x]->body)", " #define pptr(x) (processes[x]->body)", "#else", " #define qptr(x) (((uchar *)&now)+(int)q_offset[x])", " #define pptr(x) (((uchar *)&now)+(int)proc_offset[x])", /* " #define Pptr(x) ((proc_offset[x])?pptr(x):noptr)", */ "#endif", "extern uchar *Pptr(int);", "extern uchar *Qptr(int);", "#define q_sz(x) (((Q0 *)qptr(x))->Qlen)", "", "#ifdef TRIX", " #ifdef VECTORSZ", " #undef VECTORSZ", /* backward compatibility */ " #endif", " #if WS==4", " #define VECTORSZ 2056 /* ((MAXPROC+MAXQ+4)*sizeof(uchar *)) */", " #else", " #define VECTORSZ 4112 /* the formula causes probs in preprocessing */", " #endif", "#else", " #ifndef VECTORSZ", " #define VECTORSZ 1024 /* sv size in bytes */", " #endif", "#endif\n", "#define MAXQ 255", "#define MAXPROC 255", "", 0, }; static const char *Header[] = { "#ifdef VERBOSE", " #ifndef CHECK", " #define CHECK", " #endif", " #ifndef DEBUG", " #define DEBUG", " #endif", "#endif", "#ifdef SAFETY", " #ifndef NOFAIR", " #define NOFAIR", " #endif", "#endif", #if 0 NOREDUCE BITSTATE SAFETY MA WS>4 CNTRSTACK: - + + d - FULLSTACK: + d - - d - + d d d - + + d + - - d d d Neither: + d + d d + d d + d #endif "#ifdef NOREDUCE", " #ifndef XUSAFE", " #define XUSAFE", " #endif", " #if !defined(SAFETY) && !defined(MA)", " #define FULLSTACK", /* => NOREDUCE && !SAFETY && !MA */ " #endif", "#else", " #ifdef BITSTATE", " #if defined(SAFETY) && WS<=4", " #define CNTRSTACK", /* => !NOREDUCE && BITSTATE && SAFETY && WS<=4 */ " #else", " #define FULLSTACK", /* => !NOREDUCE && BITSTATE && (!SAFETY || WS>4) */ " #endif", " #else", " #define FULLSTACK", /* => !NOREDUCE && !BITSTATE */ " #endif", "#endif", "#ifdef BITSTATE", " #ifndef NOCOMP", " #define NOCOMP", " #endif", " #if !defined(LC) && defined(SC)", " #define LC", " #endif", "#endif", "#if defined(COLLAPSE2) || defined(COLLAPSE3) || defined(COLLAPSE4)", " /* accept the above for backward compatibility */", " #define COLLAPSE", "#endif", "#ifdef HC", " #undef HC", " #define HC4", "#endif", "#if defined(HC0) || defined(HC1) || defined(HC2) || defined(HC3) || defined(HC4)", " #define HC 4", /* 2x32 bits */ "#endif", /* really only one hashcompact mode, not 5 */ "", "typedef struct _Stack { /* for queues and processes */", "#if VECTORSZ>32000", " int o_delta;", " #ifndef TRIX", " int o_offset;", " int o_skip;", " #endif", " int o_delqs;", "#else", " short o_delta;", " #ifndef TRIX", " short o_offset;", " short o_skip;", " #endif", " short o_delqs;", "#endif", " short o_boq;", "#ifdef TRIX", " short parent;", " char *b_ptr;", /* used in delq/q_restor and delproc/p_restor */ "#else", " char *body;", /* full copy of state vector in non-trix mode */ "#endif", "#ifndef XUSAFE", " char *o_name;", "#endif", " struct _Stack *nxt;", " struct _Stack *lst;", "} _Stack;\n", "typedef struct Svtack { /* for complete state vector */", "#if VECTORSZ>32000", " int o_delta;", " int m_delta;", "#else", " short o_delta; /* current size of frame */", " short m_delta; /* maximum size of frame */", "#endif", "#if SYNC", " short o_boq;", "#endif", 0, }; static const char *Header0[] = { " char *body;", " struct Svtack *nxt;", " struct Svtack *lst;", "} Svtack;\n", 0, }; static const char *Head1[] = { "typedef struct State {", " uchar _nr_pr;", " uchar _nr_qs;", " uchar _a_t; /* cycle detection */", #if 0 in _a_t: bits 0,4, and 5 =(1|16|32) are set during a 2nd dfs bit 1 is used as the A-bit for fairness bit 7 (128) is the proviso bit, for reduced 2nd dfs (acceptance) #endif "#ifndef NOFAIR", " uchar _cnt[NFAIR]; /* counters, weak fairness */", "#endif", "#ifndef NOVSZ", #ifdef SOLARIS "#if 0", /* v3.4 * noticed alignment problems with some Solaris * compilers, if widest field isn't wordsized */ #else "#if VECTORSZ<65536", #endif " unsigned short _vsz;", "#else", " ulong _vsz;", "#endif", "#endif", "#ifdef HAS_LAST", /* cannot go before _cnt - see h_store() */ " uchar _last; /* pid executed in last step */", "#endif", "#if defined(BITSTATE) && defined(BCS) && defined(STORE_CTX)", " uchar _ctx; /* nr of context switches so far */", "#endif", "#if defined(BFS_PAR) && defined(L_BOUND)", " uchar _l_bnd; /* bounded liveness */", " uchar *_l_sds; /* seed state */", "#endif", "#ifdef EVENT_TRACE", " #if nstates_event<256", " uchar _event;", " #else", " unsigned short _event;", " #endif", "#endif", 0, }; static const char *Addp0[] = { /* addproc(....parlist... */ ")", "{ int j, h = now._nr_pr;", "#ifndef NOCOMP", " int k;", "#endif", " uchar *o_this = this;\n", "#ifndef INLINE", " if (TstOnly) return (h < MAXPROC);", "#endif", "#ifndef NOBOUNDCHECK", " /* redefine Index only within this procedure */", " #undef Index", " #define Index(x, y) Boundcheck(x, y, 0, 0, 0)", "#endif", " if (h >= MAXPROC)", " Uerror(\"too many processes\");", "#ifdef V_TRIX", " printf(\"%%4d: add process %%d\\n\", depth, h);", "#endif", " switch (n) {", " case 0: j = sizeof(P0); break;", 0, }; static const char *Addp1[] = { " default: Uerror(\"bad proc - addproc\");", " }", " #ifdef BFS_PAR", " bfs_prepmask(1); /* addproc */", " #endif", "#ifdef TRIX", " vsize += sizeof(H_el *);", "#else", " if (vsize%%WS)", " proc_skip[h] = WS-(vsize%%WS);", " else", " proc_skip[h] = 0;", " #if !defined(NOCOMP) && !defined(HC)", " for (k = vsize + (int) proc_skip[h]; k > vsize; k--)", " Mask[k-1] = 1; /* align */", " #endif", " vsize += (int) proc_skip[h];", " proc_offset[h] = vsize;", " vsize += j;", " #if defined(SVDUMP) && defined(VERBOSE)", " if (vprefix > 0)", " { int dummy = 0;", " write(svfd, (uchar *) &dummy, sizeof(int)); /* mark */", " write(svfd, (uchar *) &h, sizeof(int));", " write(svfd, (uchar *) &n, sizeof(int));", " #if VECTORSZ>32000", " write(svfd, (uchar *) &proc_offset[h], sizeof(int));", " write(svfd, (uchar *) &now, vprefix-4*sizeof(int)); /* padd */", " #else", " write(svfd, (uchar *) &proc_offset[h], sizeof(short));", " write(svfd, (uchar *) &now, vprefix-3*sizeof(int)-sizeof(short)); /* padd */", " #endif", " }", " #endif", "#endif", " now._nr_pr += 1;", "#if defined(BCS) && defined(CONSERVATIVE)", " if (now._nr_pr >= CONSERVATIVE*8)", " { printf(\"pan: error: too many processes -- recompile with \");", " printf(\"-DCONSERVATIVE=%%d\\n\", CONSERVATIVE+1);", " pan_exit(1);", " }", "#endif", " if (fairness && ((int) now._nr_pr + 1 >= (8*NFAIR)/2))", " { printf(\"pan: error: too many processes -- current\");", " printf(\" max is %%d procs (-DNFAIR=%%d)\\n\",", " (8*NFAIR)/2 - 2, NFAIR);", " printf(\"\\trecompile with -DNFAIR=%%d\\n\",", " NFAIR+1);", " pan_exit(1);", " }", "#ifndef NOVSZ", " now._vsz = vsize;", "#endif", " hmax = max(hmax, vsize);", "#ifdef TRIX", " #ifndef BFS", " if (freebodies)", " { processes[h] = freebodies;", " freebodies = freebodies->nxt;", " } else", " { processes[h] = (TRIX_v6 *) emalloc(sizeof(TRIX_v6));", " processes[h]->body = (uchar *) emalloc(Maxbody * sizeof(char));", " }", " processes[h]->modified = 1; /* addproc */", " #endif", " processes[h]->psize = j;", " processes[h]->parent_pid = calling_pid;", " processes[h]->nxt = (TRIX_v6 *) 0;", "#else", " #if !defined(NOCOMP) && !defined(HC)", " for (k = 1; k <= Air[n]; k++)", " Mask[vsize - k] = 1; /* pad */", " Mask[vsize-j] = 1; /* _pid */", " #endif", " #ifdef BFS_PAR", " bfs_fixmask(1); /* addproc */", " #endif", " if (vsize >= VECTORSZ)", " { printf(\"pan: error, VECTORSZ too small, recompile pan.c\");", " printf(\" with -DVECTORSZ=N with N>%%d\\n\", (int) vsize);", " Uerror(\"aborting\");", " }", "#endif", " memset((char *)pptr(h), 0, j);", " this = pptr(h);", " if (BASE > 0 && h > 0)", " { ((P0 *)this)->_pid = h-BASE;", " } else", " { ((P0 *)this)->_pid = h;", " }", " switch (n) {", 0, }; static const char *Addq0[] = { "", "int", "addqueue(int calling_pid, int n, int is_rv)", "{ int j=0, i = now._nr_qs;", "#if !defined(NOCOMP) && !defined(TRIX)", " int k;", "#endif", " if (i >= MAXQ)", " Uerror(\"too many queues\");", "#ifdef V_TRIX", " printf(\"%%4d: add queue %%d\\n\", depth, i);", "#endif", " switch (n) {", 0, }; static const char *Addq1[] = { " default: Uerror(\"bad queue - addqueue\");", " }", " #ifdef BFS_PAR", " bfs_prepmask(2); /* addqueue */", " #endif", "#ifdef TRIX", " vsize += sizeof(H_el *);", "#else", " if (vsize%%WS)", " q_skip[i] = WS-(vsize%%WS);", " else", " q_skip[i] = 0;", " #if !defined(NOCOMP) && !defined(HC)", " k = vsize;", " #ifndef BFS", " if (is_rv) k += j;", " #endif", " for (k += (int) q_skip[i]; k > vsize; k--)", " Mask[k-1] = 1;", " #endif", " vsize += (int) q_skip[i];", " q_offset[i] = vsize;", " vsize += j;", " #ifdef BFS_PAR", " bfs_fixmask(2); /* addqueue */", " #endif", "#endif", " now._nr_qs += 1;", "#ifndef NOVSZ", " now._vsz = vsize;", "#endif", " hmax = max(hmax, vsize);", "#ifdef TRIX", " #ifndef BFS", " if (freebodies)", " { channels[i] = freebodies;", " freebodies = freebodies->nxt;", " } else", " { channels[i] = (TRIX_v6 *) emalloc(sizeof(TRIX_v6));", " channels[i]->body = (uchar *) emalloc(Maxbody * sizeof(char));", " }", " channels[i]->modified = 1; /* addq */", " #endif", " channels[i]->psize = j;", " channels[i]->parent_pid = calling_pid;", " channels[i]->nxt = (TRIX_v6 *) 0;", "#else", " if (vsize >= VECTORSZ)", " Uerror(\"VECTORSZ is too small, edit pan.h\");", "#endif", " if (j > 0)", /* zero if there are no queues */ " { memset((char *)qptr(i), 0, j);", " }", " ((Q0 *)qptr(i))->_t = n;", " return i+1;", "}\n", 0, }; static const char *Addq11[] = { "{ int j; uchar *z;\n", "#ifdef HAS_SORTED", " int k;", "#endif", " if (!into--)", " uerror(\"ref to uninitialized chan name (sending)\");", " if (into >= (int) now._nr_qs || into < 0)", " Uerror(\"qsend bad queue#\");", "#if defined(TRIX) && !defined(BFS)", " #ifndef TRIX_ORIG", " (trpt+1)->q_bup = now._ids_[now._nr_pr+into];", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d s save %%p from %%d\\n\",", " depth, into, (trpt+1)->q_bup, now._nr_pr+into);", " #endif", " #endif", " channels[into]->modified = 1; /* qsend */", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d modified\\n\", depth, into);", " #endif", "#endif", " z = qptr(into);", " j = ((Q0 *)qptr(into))->Qlen;", " switch (((Q0 *)qptr(into))->_t) {", 0, }; static const char *Addq2[] = { " case 0: printf(\"queue %%d was deleted\\n\", into+1);", " default: Uerror(\"bad queue - qsend\");", " }", "#ifdef EVENT_TRACE", " if (in_s_scope(into+1))", " require('s', into);", "#endif", "}", "#endif\n", "#if SYNC", "int", "q_zero(int from)", "{ if (!from--)", " { uerror(\"ref to uninitialized chan name (q_zero)\");", " return 0;", " }", " switch(((Q0 *)qptr(from))->_t) {", 0, }; static const char *Addq3[] = { " case 0: printf(\"queue %%d was deleted\\n\", from+1);", " }", " Uerror(\"bad queue q-zero\");", " return -1;", "}", "int", "not_RV(int from)", "{ if (q_zero(from))", " { printf(\"==>> a test of the contents of a rv \");", " printf(\"channel always returns FALSE\\n\");", " uerror(\"error to poll rendezvous channel\");", " }", " return 1;", "}", "#endif", "#ifndef XUSAFE", "void", "setq_claim(int x, int m, char *s, int y, char *p)", "{ if (x == 0)", " uerror(\"x[rs] claim on uninitialized channel\");", " if (x < 0 || x > MAXQ)", " Uerror(\"cannot happen setq_claim\");", " q_claim[x] |= m;", " p_name[y] = p;", " q_name[x] = s;", " if (m&2) q_S_check(x, y);", " if (m&1) q_R_check(x, y);", "}", "short q_sender[MAXQ+1];", "int", "q_S_check(int x, int who)", "{ if (!q_sender[x])", " { q_sender[x] = who+1;", "#if SYNC", " if (q_zero(x))", " { printf(\"chan %%s (%%d), \",", " q_name[x], x-1);", " printf(\"sndr proc %%s (%%d)\\n\",", " p_name[who], who);", " uerror(\"xs chans cannot be used for rv\");", " }", "#endif", " } else", " if (q_sender[x] != who+1)", " { printf(\"pan: xs assertion violated: \");", " printf(\"access to chan <%%s> (%%d)\\npan: by \",", " q_name[x], x-1);", " if (q_sender[x] > 0 && p_name[q_sender[x]-1])", " printf(\"%%s (proc %%d) and by \",", " p_name[q_sender[x]-1], q_sender[x]-1);", " printf(\"%%s (proc %%d)\\n\",", " p_name[who], who);", " uerror(\"error, partial order reduction invalid\");", " }", " return 1;", "}", "short q_recver[MAXQ+1];", "int", "q_R_check(int x, int who)", "{", "#ifdef VERBOSE", " printf(\"q_R_check x=%%d who=%%d\\n\", x, who);", "#endif", " if (!q_recver[x])", " { q_recver[x] = who+1;", "#if SYNC", " if (q_zero(x))", " { printf(\"chan %%s (%%d), \",", " q_name[x], x-1);", " printf(\"recv proc %%s (%%d)\\n\",", " p_name[who], who);", " uerror(\"xr chans cannot be used for rv\");", " }", "#endif", " } else", " if (q_recver[x] != who+1)", " { printf(\"pan: xr assertion violated: \");", " printf(\"access to chan %%s (%%d)\\npan: \",", " q_name[x], x-1);", " if (q_recver[x] > 0 && p_name[q_recver[x]-1])", " printf(\"by %%s (proc %%d) and \",", " p_name[q_recver[x]-1], q_recver[x]-1);", " printf(\"by %%s (proc %%d)\\n\",", " p_name[who], who);", " uerror(\"error, partial order reduction invalid\");", " }", " return 1;", "}", "#endif", "int", "q_len(int x)", "{ if (!x--)", " uerror(\"ref to uninitialized chan name (len)\");", " return ((Q0 *)qptr(x))->Qlen;", "}\n", "int", "q_full(int from)", "{ if (!from--)", " uerror(\"ref to uninitialized chan name (qfull)\");", " switch(((Q0 *)qptr(from))->_t) {", 0, }; static const char *Addq4[] = { " case 0: printf(\"queue %%d was deleted\\n\", from+1);", " }", " Uerror(\"bad queue - q_full\");", " return 0;", "}\n", "#ifdef HAS_UNLESS", "int", "q_e_f(int from)", "{ /* empty or full */", " return !q_len(from) || q_full(from);", "}", "#endif", "#if NQS>0", "int", "qrecv(int from, int slot, int fld, int done)", "{ uchar *z;", " int j, k, r=0;\n", " if (!from--)", " uerror(\"ref to uninitialized chan name (receiving)\");", "#if defined(TRIX) && !defined(BFS)", " #ifndef TRIX_ORIG", " (trpt+1)->q_bup = now._ids_[now._nr_pr+from];", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d r save %%p from %%d\\n\",", " depth, from, (trpt+1)->q_bup, now._nr_pr+from);", " #endif", " #endif", " channels[from]->modified = 1; /* qrecv */", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d modified\\n\", depth, from);", " #endif", "#endif", " if (from >= (int) now._nr_qs || from < 0)", " Uerror(\"qrecv bad queue#\");", " z = qptr(from);", "#ifdef EVENT_TRACE", " if (done && (in_r_scope(from+1)))", " require('r', from);", "#endif", " switch (((Q0 *)qptr(from))->_t) {", 0, }; static const char *Addq5[] = { " case 0: printf(\"queue %%d was deleted\\n\", from+1);", " default: Uerror(\"bad queue - qrecv\");", " }", " return r;", "}", "#endif\n", "#ifndef BITSTATE", " #ifdef COLLAPSE", "long", "col_q(int i, char *z)", "{ int j=0, k;", " char *x, *y;", " Q0 *ptr = (Q0 *) qptr(i);", " switch (ptr->_t) {", 0, }; static const char *Code0[] = { "void", "run(void)", "{ /* int i; */", " memset((char *)&now, 0, sizeof(State));", " vsize = (ulong) (sizeof(State) - VECTORSZ);", "#ifndef NOVSZ", " now._vsz = vsize;", "#endif", "#ifdef TRIX", " if (VECTORSZ != sizeof(now._ids_))", " { printf(\"VECTORSZ is %%d, but should be %%d in this mode\\n\",", " VECTORSZ, (int) sizeof(now._ids_));", " Uerror(\"VECTORSZ set incorrectly, recompile Spin (not pan.c)\");", " }", "#endif", "/* optional provisioning statements, e.g. to */", "/* set hidden variables, used as constants */", "#ifdef PROV", "#include PROV", "#endif", " settable();", 0, }; static const char *R0[] = { " Maxbody = max(Maxbody, ((int) sizeof(P%d)));", " reached[%d] = reached%d;", " accpstate[%d] = (uchar *) emalloc(_nstates%d);", " progstate[%d] = (uchar *) emalloc(_nstates%d);", " loopstate%d = loopstate[%d] = (uchar *) emalloc(_nstates%d);", " stopstate[%d] = (uchar *) emalloc(_nstates%d);", " visstate[%d] = (uchar *) emalloc(_nstates%d);", " mapstate[%d] = (short *) emalloc(_nstates%d * sizeof(short));", " stopstate[%d][_endstate%d] = 1;", 0, }; static const char *R00[] = { " NrStates[%d] = _nstates%d;", 0, }; static const char *R0a[] = { " retrans(%d, _nstates%d, _start%d, src_ln%d, reached%d, loopstate%d);", 0, }; static const char *Code1[] = { "#ifdef NP", " #define ACCEPT_LAB 1 /* at least 1 in np_ */", "#else", " #define ACCEPT_LAB %d /* user-defined accept labels */", "#endif", "#ifdef MEMCNT", " #ifdef MEMLIM", " #warning -DMEMLIM takes precedence over -DMEMCNT", " #undef MEMCNT", " #else", " #if MEMCNT<20", " #warning using minimal value -DMEMCNT=20 (=1MB)", " #define MEMLIM (1)", " #undef MEMCNT", " #else", " #if MEMCNT==20", " #define MEMLIM (1)", " #undef MEMCNT", " #else", " #if MEMCNT>=50", " #error excessive value for MEMCNT", " #else", " #define MEMLIM (1<<(MEMCNT-20))", " #endif", " #endif", " #endif", " #endif", "#endif", "#if NCORE>1 && !defined(MEMLIM)", " #define MEMLIM (2048) /* need a default, using 2 GB */", "#endif", 0, }; static const char *Code3[] = { "#define PROG_LAB %d /* progress labels */", 0, }; static const char *R2[] = { "uchar *accpstate[%d];", "uchar *progstate[%d];", "uchar *loopstate[%d];", "uchar *reached[%d];", "uchar *stopstate[%d];", "uchar *visstate[%d];", "short *mapstate[%d];", "#ifdef HAS_CODE", " int NrStates[%d];", "#endif", 0, }; static const char *R3[] = { " Maxbody = max(Maxbody, ((int) sizeof(Q%d)));", 0, }; static const char *R4[] = { " r_ck(reached%d, _nstates%d, %d, src_ln%d, src_file%d);", 0, }; static const char *R5[] = { " case %d: j = sizeof(P%d); break;", 0, }; static const char *R6[] = { " }", " this = o_this;", "#ifdef TRIX", " re_mark_all(1); /* addproc */", "#endif", " return h-BASE;", "#ifndef NOBOUNDCHECK", " #undef Index", " #define Index(x, y) Boundcheck(x, y, II, tt, t)", "#endif", "}\n", "#if defined(BITSTATE) && defined(COLLAPSE)", " /* just to allow compilation, to generate the error */", " long col_p(int i, char *z) { return 0; }", " long col_q(int i, char *z) { return 0; }", "#endif", "#ifndef BITSTATE", " #ifdef COLLAPSE", "long", "col_p(int i, char *z)", "{ int j, k; ulong ordinal(char *, long, short);", " char *x, *y;", " P0 *ptr = (P0 *) pptr(i);", " switch (ptr->_t) {", " case 0: j = sizeof(P0); break;", 0, }; static const char *R7a[] = { "void\nre_mark_all(int whichway)", "{ int j;", " #ifdef V_TRIX", " printf(\"%%d: re_mark_all channels %%d\\n\", depth, whichway);", " #endif", " #ifndef BFS", " for (j = 0; j < now._nr_qs; j++)", " channels[j]->modified = 1; /* channel index moved */", " #endif", " #ifndef TRIX_ORIG", " if (whichway > 0)", " { for (j = now._nr_pr + now._nr_qs - 1; j >= now._nr_pr; j--)", " now._ids_[j] = now._ids_[j-1];", " } else", " { for (j = now._nr_pr; j < now._nr_pr + now._nr_qs; j++)", " now._ids_[j] = now._ids_[j+1];", " }", " #endif", "}", 0, }; static const char *R7b[] = { "#ifdef BFS_PAR", "inline void", "bfs_prepmask(int caller)", "{", "#if !defined(NOCOMP) && !defined(HC)", " memcpy((char *) &tmp_msk, (const char *) Mask, sizeof(State));", " Mask = (uchar *) &tmp_msk;", "#endif", " switch (caller) {", " case 1: /* addproc */", "#if VECTORSZ>32000", " memcpy((char *) P_o_tmp, (const char *) proc_offset, MAXPROC*sizeof(int));", "#else", " memcpy((char *) P_o_tmp, (const char *) proc_offset, MAXPROC*sizeof(short));", "#endif", " memcpy((char *) P_s_tmp, (const char *) proc_skip, MAXPROC*sizeof(uchar));", " proc_offset = P_o_tmp;", " proc_skip = (uchar *) &P_s_tmp[0];", " break;", " case 2: /* addqueue */", "#if VECTORSZ>32000", " memcpy((char *) Q_o_tmp, (const char *) q_offset, MAXQ*sizeof(int));", "#else", " memcpy((char *) Q_o_tmp, (const char *) q_offset, MAXQ*sizeof(short));", "#endif", " memcpy((char *) Q_s_tmp, (const char *) q_skip, MAXQ*sizeof(uchar));", " q_offset = Q_o_tmp;", " q_skip = (uchar *) &Q_s_tmp[0];", " break;", " case 3: /* no nothing */", " break;", " default: /* cannot happen */", " Uerror(\"no good\");", " break;", " }", "}", "", "typedef struct BFS_saves BFS_saves;", "struct BFS_saves {", " char *m;", " BFS_saves *nxt;", "} *bfs_save_po,", " *bfs_save_ps,", "#if !defined(NOCOMP) && !defined(HC)", " *bfs_save_mask,", "#endif", " *bfs_save_qo,", " *bfs_save_qs;", "", "extern volatile uchar *sh_malloc(ulong);", "static int bfs_runs; /* 0 before local heaps are initialized */", "", "void", "bfs_swoosh(BFS_saves **where, char **what, int howmuch)", "{ BFS_saves *m;", " for (m = *where; m; m = m->nxt)", " { if (memcmp(m->m, *what, howmuch) == 0)", " { *what = m->m;", " return;", " } }", " m = (BFS_saves *) emalloc(sizeof(BFS_saves));", " if (bfs_runs)", " { m->m = (char *) sh_malloc(howmuch);", " } else", " { m->m = (char *) sh_pre_malloc(howmuch);", " }", " memcpy(m->m, *what, howmuch);", " m->nxt = *where;", " *where = m;", " *what = m->m;", "}", "", "void", "bfs_fixmask(int caller)", /* 1=addproc, 2=addqueue */ "{", "#if !defined(NOCOMP) && !defined(HC)", " bfs_swoosh(&bfs_save_mask, (char **) &Mask, sizeof(State));", "#endif", "#ifndef TRIX", " switch (caller) {", " case 1: /* addproc */", " #if VECTORSZ>32000", " bfs_swoosh(&bfs_save_po, (char **) &proc_offset, MAXPROC*sizeof(int));", " #else", " bfs_swoosh(&bfs_save_po, (char **) &proc_offset, MAXPROC*sizeof(short));", " #endif", " bfs_swoosh(&bfs_save_ps, (char **) &proc_skip, MAXPROC*sizeof(uchar));", " break;", " case 2: /* addqueue */", " #if VECTORSZ>32000", " bfs_swoosh(&bfs_save_qo, (char **) &q_offset, MAXQ*sizeof(int));", " #else", " bfs_swoosh(&bfs_save_qo, (char **) &q_offset, MAXQ*sizeof(short));", " #endif", " bfs_swoosh(&bfs_save_qs, (char **) &q_skip, MAXQ*sizeof(uchar));", " break;", " case 3: /* do nothing */", " break;", " default:", " Uerror(\"double plus ungood\");", " break;", " }", "#endif", "}", "#endif", 0, }; static const char *R8a[] = { " default: Uerror(\"bad proctype - collapse\");", " }", " if (z) x = z; else x = scratch;", " y = (char *) ptr; k = proc_offset[i];", "", "#if !defined(NOCOMP) && !defined(HC)", " for ( ; j > 0; j--, y++)", " if (!Mask[k++]) *x++ = *y;", "#else", " memcpy(x, y, j);", " x += j;", "#endif", " for (j = 0; j < WS-1; j++)", " *x++ = 0;", " x -= j;", " if (z) return (long) (x - z);", " return ordinal(scratch, x-scratch, (short) (2+ptr->_t));", "}", " #endif", "#endif", 0, }; static const char *R8b[] = { " default: Uerror(\"bad qtype - collapse\");", " }", " if (z) x = z; else x = scratch;", " y = (char *) ptr; k = q_offset[i];", "#if NQS > 0", " /* no need to store the empty slots at the end */", " j -= (q_max[ptr->_t] - ptr->Qlen) * ((j - 2)/q_max[ptr->_t]);", "#endif", "", "#if !defined(NOCOMP) && !defined(HC)", " for ( ; j > 0; j--, y++)", " if (!Mask[k++]) *x++ = *y;", "#else", " memcpy(x, y, j);", " x += j;", "#endif", " for (j = 0; j < WS-1; j++)", " *x++ = 0;", " x -= j;", " if (z) return (long) (x - z);", " return ordinal(scratch, x-scratch, 1); /* chan */", "}", " #endif", "#endif", 0, }; static const char *R12[] = { "\t\tcase %d: r = ((Q%d *)z)->contents[slot].fld%d; break;", 0, }; const char *R13[] = { "int ", "unsend(int into)", "{ int _m=0, j; uchar *z;\n", "#ifdef HAS_SORTED", " int k;", "#endif", " if (!into--)", " uerror(\"ref to uninitialized chan (unsend)\");", "#if defined(TRIX) && !defined(BFS)", " #ifndef TRIX_ORIG", " now._ids_[now._nr_pr+into] = trpt->q_bup;", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d s restore %%p into %%d\\n\",", " depth, into, trpt->q_bup, now._nr_pr+into);", " #endif", " #else", " channels[into]->modified = 1; /* unsend */", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d unmodify\\n\", depth, into);", " #endif", " #endif", "#endif", " z = qptr(into);", " j = ((Q0 *)z)->Qlen;", " ((Q0 *)z)->Qlen = --j;", " switch (((Q0 *)qptr(into))->_t) {", 0, }; const char *R14[] = { " default: Uerror(\"bad queue - unsend\");", " }", " return _m;", "}\n", "void", "unrecv(int from, int slot, int fld, int fldvar, int strt)", "{ int j; uchar *z;\n", " if (!from--)", " uerror(\"ref to uninitialized chan (unrecv)\");", "#if defined(TRIX) && !defined(BFS)", " #ifndef TRIX_ORIG", " now._ids_[now._nr_pr+from] = trpt->q_bup;", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d r restore %%p into %%d\\n\",", " depth, from, trpt->q_bup, now._nr_pr+from);", " #endif", " #else", " channels[from]->modified = 1; /* unrecv */", " #ifdef V_TRIX", " printf(\"%%4d: channel %%d unmodify\\n\", depth, from);", " #endif", " #endif", "#endif", " z = qptr(from);", " j = ((Q0 *)z)->Qlen;", " if (strt) ((Q0 *)z)->Qlen = j+1;", " switch (((Q0 *)qptr(from))->_t) {", 0, }; const char *R15[] = { " default: Uerror(\"bad queue - qrecv\");", " }", "}", 0, }; static const char *Proto[] = { "", "/** function prototypes **/", "char *emalloc(ulong);", "char *Malloc(ulong);", "int Boundcheck(int, int, int, int, Trans *);", "int addqueue(int, int, int);", "/* int atoi(char *); */", "/* int abort(void); */", "int close(int);", /* should probably remove this */ #if 0 "#ifndef SC", " int creat(char *, unsigned short);", " int write(int, void *, unsigned);", "#endif", #endif "int delproc(int, int);", "int endstate(void);", "int find_claim(char *);", "int h_store(char *, int);", "int pan_rand(void);", "int q_cond(short, Trans *);", "int q_full(int);", "int q_len(int);", "int q_zero(int);", "int qrecv(int, int, int, int);", "int unsend(int);", "/* void *sbrk(int); */", "void spin_assert(int, char *, int, int, Trans *);", "#ifdef BFS_PAR", "void bfs_printf(const char *, ...);", "volatile uchar *sh_pre_malloc(ulong);", "#endif", "void c_chandump(int);", "void c_globals(void);", "void c_locals(int, int);", "void checkcycles(void);", "void crack(int, int, Trans *, short *);", "void d_sfh(uchar *, int);", "void d_hash(uchar *, int);", "void m_hash(uchar *, int);", "void s_hash(uchar *, int);", "void delq(int);", "void dot_crack(int, int, Trans *);", "void do_reach(void);", "void pan_exit(int);", "void exit(int);", "#ifdef BFS_PAR", " void bfs_setup_mem(void);", "#endif", "#ifdef BITSTATE", " void sinit(void);", "#else", " void hinit(void);", "#endif", "void imed(Trans *, int, int, int);", "void new_state(void);", "void p_restor(int);", "void putpeg(int, int);", "void putrail(void);", "void q_restor(void);", "void retrans(int, int, int, short *, uchar *, uchar *);", "void select_claim(int);", "void settable(void);", "void setq_claim(int, int, char *, int, char *);", "void sv_restor(void);", "void sv_save(void);", "void tagtable(int, int, int, short *, uchar *);", "void do_dfs(int, int, int, short *, uchar *, uchar *);", "void unrecv(int, int, int, int, int);", "void usage(FILE *);", "void wrap_stats(void);\n", "#ifdef MA", " int g_store(char *, int, uchar);", "#endif", "#if defined(FULLSTACK) && defined(BITSTATE)", " int onstack_now(void);", " void onstack_init(void);", " void onstack_put(void);", " void onstack_zap(void);", "#endif", "#ifndef XUSAFE", " int q_S_check(int, int);", " int q_R_check(int, int);", " uchar q_claim[MAXQ+1];", " char *q_name[MAXQ+1];", " char *p_name[MAXPROC+1];", "#endif", "", "#ifndef NO_V_PROVISO", " #define V_PROVISO", "#endif", "#if !defined(NO_RESIZE) && !defined(AUTO_RESIZE) && !defined(BITSTATE) && !defined(SPACE) && !defined(USE_TDH) && NCORE==1", " #define AUTO_RESIZE", "#endif", "", "typedef struct Trail Trail;", "typedef struct H_el H_el;", "", "struct H_el {", " H_el *nxt;", " #ifdef FULLSTACK", " unsigned int tagged;", " #if defined(BITSTATE) && !defined(NOREDUCE) && !defined(SAFETY)", " unsigned int proviso;", /* uses just 1 bit 0/1 */ " #endif", " #endif", " #if defined(CHECK) || (defined(COLLAPSE) && !defined(FULLSTACK))", " ulong st_id;", " #endif", " #if !defined(SAFETY) || defined(REACH)", " uint D;", " #endif", " #ifdef BCS", " #ifndef CONSERVATIVE", " #define CONSERVATIVE 1 /* good for up to 8 processes */", " #endif", " #ifdef CONSERVATIVE", " #if CONSERVATIVE <= 0 || CONSERVATIVE>32", " #error sensible values for CONSERVATIVE are 1..32 (256/8 = 32)", " #endif", " uchar ctx_pid[CONSERVATIVE];", /* pids setting lowest value */ " #endif", " uchar ctx_low;", /* lowest nr of context switches seen so far */ " #endif", " #if NCORE>1", " /* could cost 1 extra word: 4 bytes if 32-bit and 8 bytes if 64-bit */", " #ifdef V_PROVISO", " uchar cpu_id; /* id of cpu that created the state */", " #endif", " #endif", " #ifdef COLLAPSE", " #if VECTORSZ<65536", " ushort ln;", /* length of vector */ " #else", " ulong ln;", /* length of vector */ " #endif", " #endif", " #if defined(AUTO_RESIZE) && !defined(BITSTATE)", " ulong m_K1;", " #endif", " ulong state;", "};", "", "#ifdef BFS_PAR", "typedef struct BFS_Trail BFS_Trail;", "struct BFS_Trail {", " H_el *ostate;", " int st;", " int o_tt;", " T_ID t_id;", /* could be uint, ushort, or uchar */ " uchar pr;", " uchar o_pm;", " uchar tau;", "};", " #if SYNC>0", " #undef BFS_NOTRAIL", /* just in case it was used */ " #endif", "#endif", "", "#ifdef RHASH", " #ifndef PERMUTED", " #define PERMUTED", " #endif", "#endif", "", "struct Trail {", " int st; /* current state */", " int o_tt;", "#ifdef PERMUTED", " uint seed;", " uchar oII;", "#endif", " uchar pr; /* process id */", " uchar tau; /* 8 bit-flags */", " uchar o_pm; /* 8 more bit-flags */", "", " #if 0", " Meaning of bit-flags on tau and o_pm:", " tau&1 -> timeout enabled", " tau&2 -> request to enable timeout 1 level up (in claim)", " tau&4 -> current transition is a claim move", " tau&8 -> current transition is an atomic move", " tau&16 -> last move was truncated on stack", " tau&32 -> current transition is a preselected move", " tau&64 -> at least one next state is not on the stack", " tau&128 -> current transition is a stutter move", " o_pm&1 -> the current pid moved -- implements else", " o_pm&2 -> this is an acceptance state", " o_pm&4 -> this is a progress state", " o_pm&8 -> fairness alg rule 1 undo mark", " o_pm&16 -> fairness alg rule 3 undo mark", " o_pm&32 -> fairness alg rule 2 undo mark", " o_pm&64 -> the current proc applied rule2", " o_pm&128 -> a fairness, dummy move - all procs blocked", " #endif", "", " #ifdef NSUCC", " uchar n_succ; /* nr of successor states */", " #endif", " #if defined(FULLSTACK) && defined(MA) && !defined(BFS)", " uchar proviso;", " #endif", " #ifndef BFS", " uchar o_n, o_ot; /* to save locals */", " #endif", " uchar o_m;", " #ifdef EVENT_TRACE", " #if nstates_event<256", " uchar o_event;", " #else", " unsigned short o_event;", " #endif", " #endif", " #ifndef BFS", " short o_To;", " #if defined(T_RAND) || defined(RANDOMIZE)", " short oo_i;", " #endif", " #endif", " #if defined(HAS_UNLESS) && !defined(BFS)", " int e_state; /* if escape trans - state of origin */", " #endif", " #if (defined(FULLSTACK) && !defined(MA)) || defined(BFS) || (NCORE>1)", " H_el *ostate; /* pointer to stored state */", " #endif", /* CNTRSTACK when !NOREDUCE && BITSTATE && SAFETY && WS<=4, uses LL[] */ " #if defined(CNTRSTACK) && !defined(BFS)", " long j6, j7;", " #endif", " Trans *o_t;", /* transition fct, next state */ " #if !defined(BFS) && !defined(TRIX_ORIG)", " char *p_bup;", " char *q_bup;", " #endif", " #ifdef BCS", " unsigned short sched_limit;", " unsigned char bcs; /* phase 1 or 2, or forced 4 */", " unsigned char b_pno; /* preferred pid */", " #endif", " #ifdef P_RAND", /* process scheduling randomization */ " unsigned char p_left; /* nr of procs left to explore */", " short p_skip; /* to find starting point in list */", " #endif", " #ifdef HAS_SORTED", " short ipt;", /* insertion slot in q */ " #endif", " #ifdef HAS_PRIORITY", " short o_priority;", " #endif", " union {", " int oval;", /* single backup value of variable */ " int *ovals;", /* ptr to multiple values */ " } bup;", "}; /* end of struct Trail */", "", "#ifdef BFS", /* breadth-first search */ " #define Q_PROVISO", " #ifndef INLINE_REV", " #define INLINE_REV", " #endif", "", "typedef struct SV_Hold {", " State *sv;", " #ifndef BFS_PAR", " int sz;", " #endif", " struct SV_Hold *nxt;", "} SV_Hold;", "#if !defined(BFS_PAR) || NRUNS>0", " typedef struct EV_Hold {", " #if !defined(BFS_PAR) || (!defined(NOCOMP) && !defined(HC) && NRUNS>0)", " char *sv; /* Mask */", " #endif", " #if VECTORSZ<65536", " ushort sz; /* vsize */", " #else", " ulong sz;", " #endif", " #ifdef BFS_PAR", " uchar owner;", " #endif", " uchar nrpr;", " uchar nrqs;", " #if !defined(BFS_PAR) || (!defined(TRIX) && NRUNS>0)", " char *po, *qo;", " char *ps, *qs;", " #endif", " struct EV_Hold *nxt;", " } EV_Hold;", "#endif", "typedef struct BFS_State {", " #ifdef BFS_PAR", " BFS_Trail *t_info;", " State *osv;", " #else", " Trail *frame;", " SV_Hold *onow;", " #endif", " #if !defined(BFS_PAR) || NRUNS>0", " EV_Hold *omask;", " #endif", " #if defined(Q_PROVISO) && !defined(NOREDUCE)", " H_el *lstate;", " #endif", " #if !defined(BFS_PAR) || SYNC>0", " short boq;", " #endif", " #ifdef VERBOSE", " ulong nr;", " #endif", " #ifndef BFS_PAR", /* new 6.2.4, 3 dec 2012 */ " struct BFS_State *nxt;", " #endif", "} BFS_State;", "#endif\n", 0, }; static const char *SvMap[] = { "void", "to_compile(void)", "{ char ctd[2048], carg[128];", "#ifdef BITSTATE", " strcpy(ctd, \"-DBITSTATE \");", "#else", " strcpy(ctd, \"\");", "#endif", "#ifdef BFS_PAR", " strcat(ctd, \"-DBFS_PAR \");", "#endif", "#ifdef NOVSZ", " strcat(ctd, \"-DNOVSZ \");", "#endif", "#ifdef RHASH", " strcat(ctd, \"-DRHASH \");", "#else", " #ifdef PERMUTED", " strcat(ctd, \"-DPERMUTED \");", " #endif", "#endif", "#ifdef P_REVERSE", " strcat(ctd, \"-DP_REVERSE \");", "#endif", "#ifdef T_REVERSE", " strcat(ctd, \"-DT_REVERSE \");", "#endif", "#ifdef T_RAND", " #if T_RAND>0", " sprintf(carg, \"-DT_RAND=%%d \", T_RAND);", " strcat(ctd, carg);", " #else", " strcat(ctd, \"-DT_RAND \");", " #endif", "#endif", "#ifdef P_RAND", " #if P_RAND>0", " sprintf(carg, \"-DP_RAND=%%d \", P_RAND);", " strcat(ctd, carg);", " #else", " strcat(ctd, \"-DP_RAND \");", " #endif", "#endif", "#ifdef BCS", " sprintf(carg, \"-DBCS=%%d \", BCS);", " strcat(ctd, carg);", "#endif", "#ifdef BFS", " strcat(ctd, \"-DBFS \");", "#endif", "#ifdef MEMLIM", " sprintf(carg, \"-DMEMLIM=%%d \", MEMLIM);", " strcat(ctd, carg);", "#else", "#ifdef MEMCNT", " sprintf(carg, \"-DMEMCNT=%%d \", MEMCNT);", " strcat(ctd, carg);", "#endif", "#endif", "#ifdef NOCLAIM", " strcat(ctd, \"-DNOCLAIM \");", "#endif", "#ifdef SAFETY", " strcat(ctd, \"-DSAFETY \");", "#else", "#ifdef NOFAIR", " strcat(ctd, \"-DNOFAIR \");", "#else", "#ifdef NFAIR", " if (NFAIR != 2)", " { sprintf(carg, \"-DNFAIR=%%d \", NFAIR);", " strcat(ctd, carg);", " }", "#endif", "#endif", "#endif", "#ifdef NOREDUCE", " strcat(ctd, \"-DNOREDUCE \");", "#else", "#ifdef XUSAFE", " strcat(ctd, \"-DXUSAFE \");", "#endif", "#endif", "#ifdef NP", " strcat(ctd, \"-DNP \");", "#endif", "#ifdef PEG", " strcat(ctd, \"-DPEG \");", "#endif", "#ifdef VAR_RANGES", " strcat(ctd, \"-DVAR_RANGES \");", "#endif", "#ifdef HC", " strcat(ctd, \"-DHC \");", "#endif", "#ifdef CHECK", " strcat(ctd, \"-DCHECK \");", "#endif", "#ifdef CTL", " strcat(ctd, \"-DCTL \");", "#endif", "#ifdef TRIX", " strcat(ctd, \"-DTRIX \");", "#endif", "#ifdef NIBIS", " strcat(ctd, \"-DNIBIS \");", "#endif", "#ifdef NOBOUNDCHECK", " strcat(ctd, \"-DNOBOUNDCHECK \");", "#endif", "#ifdef NOSTUTTER", " strcat(ctd, \"-DNOSTUTTER \");", "#endif", "#ifdef REACH", " strcat(ctd, \"-DREACH \");", "#endif", "#ifdef PRINTF", " strcat(ctd, \"-DPRINTF \");", "#endif", "#ifdef COLLAPSE", " strcat(ctd, \"-DCOLLAPSE \");", "#endif", "#ifdef MA", " sprintf(carg, \"-DMA=%%d \", MA);", " strcat(ctd, carg);", "#endif", "#ifdef SVDUMP", " strcat(ctd, \"-DSVDUMP \");", "#endif", "#if defined(VECTORSZ) && !defined(TRIX)", " if (VECTORSZ != 1024)", " { sprintf(carg, \"-DVECTORSZ=%%d \", VECTORSZ);", " strcat(ctd, carg);", " }", "#endif", "#ifdef VERBOSE", " strcat(ctd, \"-DVERBOSE \");", "#endif", "#ifdef CHECK", " strcat(ctd, \"-DCHECK \");", "#endif", "#ifdef SDUMP", " strcat(ctd, \"-DSDUMP \");", "#endif", "#if NCORE>1", " sprintf(carg, \"-DNCORE=%%d \", NCORE);", " strcat(ctd, carg);", "#endif", "#ifdef VMAX", " if (VMAX != 256)", " { sprintf(carg, \"-DVMAX=%%d \", VMAX);", " strcat(ctd, carg);", " }", "#endif", "#ifdef PMAX", " if (PMAX != 16)", " { sprintf(carg, \"-DPMAX=%%d \", PMAX);", " strcat(ctd, carg);", " }", "#endif", "#ifdef QMAX", " if (QMAX != 16)", " { sprintf(carg, \"-DQMAX=%%d \", QMAX);", " strcat(ctd, carg);", " }", "#endif", "#ifdef SET_WQ_SIZE", " sprintf(carg, \"-DSET_WQ_SIZE=%%d \", SET_WQ_SIZE);", " strcat(ctd, carg);", "#endif", " printf(\"Compiled as: cc -o pan %%span.c\\n\", ctd);", "}", 0, };