159 lines
3.1 KiB
C
159 lines
3.1 KiB
C
/* $Id$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/* S H A R E D F I L E
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*
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* G O . C
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*
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*/
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#include <stdio.h>
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#include "types.h"
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#include "debug.h"
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#include "global.h"
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#include "files.h"
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#include "get.h"
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#include "put.h"
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#include "lset.h"
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#include "map.h"
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#include "alloc.h"
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#include "go.h"
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static bool report_flag = FALSE; /* report #optimizations found? */
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#ifdef DEBUG
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static bool core_flag = FALSE; /* report core usage? */
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#endif
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static void mach_init(char *machfile, int (*phase_machinit)(void *))
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{
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/* Read target machine dependent information */
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FILE *f;
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f = openfile(machfile,"r");
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fscanf(f,"%d",&ws);
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fscanf(f,"%d",&ps);
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if (ws != ps && ps != 2*ws) error("illegal pointer size");
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(*phase_machinit)(f);
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fclose(f);
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}
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void go(int argc, char *argv[], int (*initialize)(void *),
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int (*optimize)(void *), int (*phase_machinit)(void *),
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int (*proc_flag)(void *))
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{
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FILE *f, *gf, *f2, *gf2; /* The EM input and output and
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* the basic block graphs input and output
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*/
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bblock_p g;
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line_p l;
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short kind;
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int i;
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char *p;
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bool time_opt = TRUE;
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linecount = 0;
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for (i = ARGSTART; i < argc; i++) {
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p = argv[i];
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if (*p++ != '-') error("illegal argument");
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switch(*p) {
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case 'S':
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time_opt = FALSE;
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break;
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case 'T':
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time_opt = TRUE;
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break;
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case 'M':
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p++;
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mach_init(p,phase_machinit);
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break;
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case 'C':
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#ifdef DEBUG
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core_flag = TRUE;
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#endif
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break;
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case 'Q':
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report_flag = TRUE;
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break;
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case 'V':
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verbose_flag = TRUE;
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break;
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default:
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(*proc_flag)(p);
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break;
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}
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}
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time_space_ratio = (time_opt ? 100 : 0);
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fproc = getptable(&pname); /* proc table */
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fdblock = getdtable(&dname); /* data block table */
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(*initialize)(NULL);
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if (optimize == no_action) return;
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f = openfile(lname,"r");
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gf = openfile(bname,"r");
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f2 = openfile(lname2,"w");
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gf2 = openfile(bname2,"w");
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mesregs = Lempty_set();
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while (getunit(gf,f,&kind,&g,&l,&curproc,TRUE)) {
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/* Read the control flow graph and EM text of
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* one procedure and optimize it.
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*/
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if (kind == LDATA) {
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putunit(LDATA, (proc_p) 0, l, gf2, f2);
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continue;
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}
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OUTTRACE("flow graph of proc %d read",curproc->p_id);
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curproc->p_start = g;
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/* The global variable curproc points to the
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* current procedure. It is set by getgraph
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*/
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(*optimize)(curproc);
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putunit(LTEXT,curproc,(line_p) 0,gf2,f2);
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/* output control flow graph + text */
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OUTTRACE("graph of proc %d outputted",curproc->p_id);
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Ldeleteset(mesregs);
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mesregs = Lempty_set();
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}
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fclose(f);
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fclose(f2);
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fclose(gf);
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fclose(gf2);
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f = openfile(dname2,"w");
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putdtable(fdblock,f);
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/* fclose(f); done by putdtable */
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f = openfile(pname2,"w");
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putptable(fproc,f,TRUE);
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/* fclose(f); done by putptable */
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core_usage();
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}
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int no_action(void *dummy)
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{
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return 0;
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}
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void core_usage()
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{
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#ifdef DEBUG
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if (core_flag) {
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coreusage();
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}
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#endif
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}
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void report(char *s, int n)
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{
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/* Report number of optimizations found, if report_flag is set */
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if (report_flag) {
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fprintf(stderr,"%s: %d\n",s,n);
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}
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}
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