ack/util/ego/share/go.c
David Given 28d4480f62 It turns out that you can't use freopen() to set binary mode of
stdin/stdout on Windows; so add a new system function called
sys_setbinarymode which does it instead. Then find lots more binary mode
flags which need setting.
2022-07-17 20:47:53 +02:00

169 lines
3.3 KiB
C

/* $Id$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* S H A R E D F I L E
*
* G O . C
*
*/
#include <stdio.h>
#include <unistd.h>
#include "types.h"
#include "debug.h"
#include "global.h"
#include "get.h"
#include "put.h"
#include "lset.h"
#include "map.h"
#include "alloc.h"
#include "go.h"
#include "files.h"
STATIC bool report_flag = FALSE; /* report #optimizations found? */
#ifdef DEBUG
STATIC bool core_flag = FALSE; /* report core usage? */
#endif
STATIC void mach_init(char* machfile, void (*phase_machinit)(void *))
{
/* Read target machine dependent information */
FILE* f;
f = openfile(machfile, "rb");
fscanf(f, "%d", &ws);
fscanf(f, "%d", &ps);
if (ws != ps && ps != 2 * ws)
error("illegal pointer size");
(*phase_machinit)(f);
fclose(f);
}
void go(int argc, char * const *argv,
void (*initialize)(void *), void (*optimize)(void *),
void (*phase_machinit)(void *), void (*proc_flag)(void *))
{
struct files* files = findfiles(argc, argv);
FILE* f, *gf, *f2, *gf2; /* The EM input and output and
* the basic block graphs input and output
*/
bblock_p g;
line_p l;
short kind;
int i;
char* p;
bool time_opt = TRUE;
linecount = 0;
opterr = 0;
for (;;)
{
int opt = getopt(files->argc, files->argv, "STM:CQV");
if (opt == -1)
break;
switch (opt)
{
case 'S':
time_opt = FALSE;
break;
case 'T':
time_opt = TRUE;
break;
case 'M':
mach_init(optarg, phase_machinit);
break;
case 'C':
#ifdef DEBUG
core_flag = TRUE;
#endif
break;
case 'Q':
report_flag = TRUE;
break;
case 'V':
verbose_flag = TRUE;
break;
case '?':
proc_flag(argv[optind - 1]);
break;
}
}
time_space_ratio = (time_opt ? 100 : 0);
fproc = getptable(files->pname_in); /* proc table */
fdblock = getdtable(files->dname_in); /* data block table */
(*initialize)(NULL);
if (optimize == no_action)
return;
f = openfile(files->lname_in, "rb");
gf = openfile(files->bname_in, "rb");
f2 = openfile(files->lname_out, "wb");
gf2 = openfile(files->bname_out, "wb");
mesregs = Lempty_set();
while (getunit(gf, f, &kind, &g, &l, &curproc, TRUE))
{
/* Read the control flow graph and EM text of
* one procedure and optimize it.
*/
if (kind == LDATA)
{
putunit(LDATA, (proc_p)0, l, gf2, f2);
continue;
}
OUTTRACE("flow graph of proc %d read", curproc->p_id);
curproc->p_start = g;
/* The global variable curproc points to the
* current procedure. It is set by getgraph
*/
(*optimize)(curproc);
putunit(LTEXT, curproc, (line_p)0, gf2, f2);
/* output control flow graph + text */
OUTTRACE("graph of proc %d outputted", curproc->p_id);
Ldeleteset(mesregs);
mesregs = Lempty_set();
}
fclose(f);
fclose(f2);
fclose(gf);
fclose(gf2);
f = openfile(files->dname_out, "wb");
putdtable(fdblock, f);
/* fclose(f); done by putdtable */
f = openfile(files->pname_out, "wb");
putptable(fproc, f, TRUE);
/* fclose(f); done by putptable */
core_usage();
}
/* ARGSUSED */
void no_action(void *vp) {}
void core_usage(void)
{
#ifdef DEBUG
if (core_flag)
{
coreusage();
}
#endif
}
void report(char* s, int n)
{
/* Report number of optimizations found, if report_flag is set */
if (report_flag)
{
fprintf(stderr, "%s: %d\n", s, n);
}
}