mirror of
https://github.com/autc04/Retro68.git
synced 2024-06-07 13:33:06 +00:00
238 lines
5.7 KiB
C++
238 lines
5.7 KiB
C++
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "config.h"
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <strings.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <i18n.h>
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#include <Elf.h>
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#include <collctrl.h>
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#include <StringBuilder.h>
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#include "collect.h"
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/* get_count_data -- format exec of bit to do the real work */
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void
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collect::get_count_data ()
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{
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char command[8192];
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char *s;
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struct stat statbuf;
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// reserve space for original args, plus 30 arguments to bit
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nargs = origargc + 30;
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char **narglist = (char **) calloc (nargs, sizeof (char *));
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arglist = narglist;
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// construct the command for bit
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snprintf (command, sizeof (command), NTXT ("%s"), run_dir);
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s = strstr_r (command, NTXT ("/bin"));
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if (s != NULL)
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{
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// build command line for launching it
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snprintf (s, sizeof (command) - (s - command), NTXT ("/lib/compilers/bit"));
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if (stat (command, &statbuf) == -1)
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{
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// if bit command does not exist there
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char *first_look = strdup (command);
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snprintf (command, sizeof (command), NTXT ("%s"), run_dir);
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s = strstr (command, NTXT ("/bin"));
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snprintf (s, sizeof (command) - (s - command), NTXT ("/prod/bin/bit"));
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if (stat (command, &statbuf) == -1)
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{
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// if bit command does not exist
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dbe_write (2, GTXT ("bit is not installed as `%s' or `%s'\nNo experiment is possible\n"), first_look, command);
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exit (2);
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}
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free (first_look);
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}
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*arglist++ = strdup (command);
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}
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else
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{
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dbe_write (2, GTXT ("collect can't find install bin directory\n"));
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exit (1);
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}
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// Tell it to collect data
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*arglist++ = NTXT ("collect");
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// add the flag for real-data vs. static data
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switch (cc->get_count ())
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{
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case -1:
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*arglist++ = NTXT ("-i");
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*arglist++ = NTXT ("static");
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*arglist++ = NTXT ("-M");
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break;
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case 1:
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*arglist++ = NTXT ("-M");
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*arglist++ = NTXT ("-u");
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break;
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default:
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abort ();
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}
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// tell bit to produce an experiment
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*arglist++ = NTXT ("-e");
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// now copy an edited list of collect options to the arglist
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char **oargv = origargv;
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// skip the "collect"
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oargv++;
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int argc = 1;
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while (argc != targ_index)
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{
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char *p = *oargv;
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switch (p[1])
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{
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// pass these arguments along, with parameter
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case 'o':
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case 'd':
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case 'g':
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case 'A':
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case 'C':
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case 'O':
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case 'N':
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*arglist++ = *oargv++;
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*arglist++ = *oargv++;
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argc = argc + 2;
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break;
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case 'I':
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*arglist++ = *oargv++; // set the -I flag
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*arglist++ = *oargv; // and the directory name
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*arglist++ = NTXT ("-d"); // and the -d flag
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*arglist++ = *oargv++; // to the same directory name
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argc = argc + 2;
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break;
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case 'n':
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case 'v':
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// pass these arguments along as is
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*arglist++ = *oargv++;
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argc = argc + 1;
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break;
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case 'x':
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// skip one argument
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oargv++;
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argc++;
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break;
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case 'c':
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case 'L':
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case 'y':
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case 'l':
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case 'F':
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case 'j':
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case 'J':
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case 'p':
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case 's':
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case 'h':
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case 'S':
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case 'm':
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case 'M':
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case 'H':
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case 'r':
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case 'i':
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// skip two arguments
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oargv++;
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oargv++;
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argc = argc + 2;
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break;
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case 'R':
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case 'Z':
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default:
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// these should never get this far
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dbe_write (2, GTXT ("unexpected argument %s\n"), p);
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abort ();
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}
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}
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// now copy the target and its arguments
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if (access (prog_name, X_OK) != 0) // not found
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*arglist++ = *oargv++;
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else
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{
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oargv++;
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*arglist++ = prog_name;
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}
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while (*oargv != NULL)
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*arglist++ = *oargv++;
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/* now we have the full argument list composed; if verbose, print it */
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if ((verbose == 1) || (disabled))
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{
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/* describe the experiment */
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char *ccret = cc->show (0);
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if (ccret != NULL)
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{
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writeStr (2, ccret);
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free (ccret);
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}
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ccret = cc->show_expt ();
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if (ccret != NULL)
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{
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/* write this to stdout */
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writeStr (1, ccret);
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free (ccret);
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}
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/* print the arguments to bit */
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arglist = narglist;
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StringBuilder sb;
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sb.append (NTXT ("Exec argv[] = "));
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for (int ret = 0; ret < nargs; ret++)
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{
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if (narglist[ret] == NULL)
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break;
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if (ret > 0)
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sb.append (NTXT (" "));
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sb.append (narglist[ret]);
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}
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sb.append (NTXT ("\n\n"));
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write (2, sb.toString (), sb.length ());
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}
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/* check for dry run */
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if (disabled)
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exit (0);
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/* ensure original outputs restored for target */
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reset_output ();
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/* now exec the bit to instrument and run the target ... */
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// (void) execve( *narglist, narglist, origenvp);
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(void) execvp (*narglist, narglist);
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/* exec failed; no experiment to delete */
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/* restore output for collector */
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set_output ();
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char *em = strerror (errno);
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if (em == NULL)
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dbe_write (2, GTXT ("execve of %s failed: errno = %d\n"), narglist[0], errno);
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else
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dbe_write (2, GTXT ("execve of %s failed: %s\n"), narglist[0], em);
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exit (1);
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}
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