tools-for-build/grovel_headers.c

   1 /*
   2  * Rummage through the system header files using the C compiler itself
   3  * as a parser, extracting stuff like preprocessor constants and the
   4  * sizes and signedness of basic system types, and write it out as
   5  * Lisp code.
   6  */
   7
   8 /*
   9  * This software is part of the SBCL system. See the README file for
  10  * more information.
  11  *
  12  * While most of SBCL is derived from the CMU CL system, many
  13  * utilities for the build process (like this one) were written from
  14  * scratch after the fork from CMU CL.
  15  *
  16  * This software is in the public domain and is provided with
  17  * absolutely no warranty. See the COPYING and CREDITS files for
  18  * more information.
  19  */
  20
  21 #include <stdio.h>
  22 #include <sys/types.h>
  23 #include <sys/times.h>
  24 #include <sys/stat.h>
  25 #include <sys/wait.h>
  26 #include <sys/ioctl.h>
  27 #include <sys/termios.h>
  28 #include <fcntl.h>
  29 #include <unistd.h>
  30 #include <signal.h>
  31
  32 #include "genesis/config.h"
  33
  34 #define DEFTYPE(lispname,cname) { cname foo; \
  35     printf("(define-alien-type " lispname " (%s %d))\n", (((foo=-1)<0) ? "sb!alien:signed" : "unsigned"), (8 * (sizeof foo))); }
  36
  37 void
  38 defconstant(char* lisp_name, long unix_number)
  39 {
  40     printf("(defconstant %s %ld) ; #x%lx\n",
  41            lisp_name, unix_number, unix_number);
  42 }
  43
  44 #define DEFSIGNAL(name) defconstant(#name, name)
  45
  46 int
  47 main(int argc, char *argv[])
  48 {
  49     /* don't need no steenking command line arguments */
  50     if (1 != argc) {
  51         fprintf(stderr, "argh! command line argument(s)\n");
  52         exit(1);
  53     }
  54
  55     /* don't need no steenking hand-editing */
  56     printf(
  57 ";;;; This is an automatically generated file, please do not hand-edit it.\n\
  58 ;;;; See the program \"grovel_headers.c\".\n\
  59 \n\
  60 ");
  61
  62     printf("(in-package \"SB!UNIX\")\n\n");
  63
  64     printf(";;; types, types, types\n");
  65     DEFTYPE("clock-t", clock_t);
  66     DEFTYPE("dev-t",   dev_t);
  67     DEFTYPE("gid-t",   gid_t);
  68     DEFTYPE("ino-t",   ino_t);
  69     DEFTYPE("mode-t",  mode_t);
  70     DEFTYPE("nlink-t", nlink_t);
  71     DEFTYPE("off-t",   off_t);
  72     DEFTYPE("size-t",  size_t);
  73     DEFTYPE("time-t",  time_t);
  74     DEFTYPE("uid-t",   uid_t);
  75     printf("\n");
  76
  77     printf(";;; fcntl.h (or unistd.h on OpenBSD)\n");
  78     defconstant("r_ok", R_OK);
  79     defconstant("w_ok", W_OK);
  80     defconstant("x_ok", X_OK);
  81     defconstant("f_ok", F_OK);
  82     printf("\n");
  83
  84     printf(";;; fcntlbits.h\n");
  85     defconstant("o_rdonly",  O_RDONLY);
  86     defconstant("o_wronly",  O_WRONLY);
  87     defconstant("o_rdwr",    O_RDWR);
  88     defconstant("o_accmode", O_ACCMODE);
  89     defconstant("o_creat",   O_CREAT);
  90     defconstant("o_excl",    O_EXCL);
  91     defconstant("o_noctty",  O_NOCTTY);
  92     defconstant("o_trunc",   O_TRUNC);
  93     defconstant("o_append",  O_APPEND);
  94     printf(";;;\n");
  95     defconstant("s-ifmt",  S_IFMT);
  96     defconstant("s-ififo", S_IFIFO);
  97     defconstant("s-ifchr", S_IFCHR);
  98     defconstant("s-ifdir", S_IFDIR);
  99     defconstant("s-ifblk", S_IFBLK);
 100     defconstant("s-ifreg", S_IFREG);
 101     printf("\n");
 102
 103     defconstant("s-iflnk",  S_IFLNK);
 104     defconstant("s-ifsock", S_IFSOCK);
 105     printf("\n");
 106
 107     printf(";;; for wait3(2) in run-program.lisp\n");
 108     defconstant("wnohang", WNOHANG);
 109     defconstant("wuntraced", WUNTRACED);
 110     printf("\n");
 111
 112     printf(";;; various ioctl(2) flags\n");
 113     defconstant("tiocnotty",  TIOCNOTTY);
 114     defconstant("tiocgwinsz", TIOCGWINSZ);
 115     defconstant("tiocswinsz", TIOCSWINSZ);
 116     defconstant("tiocgpgrp",  TIOCGPGRP);
 117     defconstant("tiocspgrp",  TIOCSPGRP);
 118     /* KLUDGE: These are referenced by old CMUCL-derived code, but
 119      * Linux doesn't define them.
 120      *
 121      * I think these are the BSD names, but I don't know what the
 122      * corresponding SysV/Linux names are. As a point of reference,
 123      * CMUCL doesn't have these defined either (although the defining
 124      * forms *do* exist in src/code/unix.lisp), so I don't feel nearly
 125      * so bad about not hunting them down. Insight into renamed
 126      * obscure ioctl(2) flags appreciated. --njf, 2002-08-26
 127      *
 128      * I note that the first one I grepped for, TIOCSIGSEND, is
 129      * referenced in SBCL conditional on #+HPUX. Maybe the porters of
 130      * Oxbridge know more about things like that? And even if they
 131      * don't, one benefit of the Rhodes crusade to heal the worthy
 132      * ports should be that afterwards, if we grep for something like
 133      * this in CVS and it's not there, we can lightheartedly nuke it.
 134      * -- WHN 2002-08-30 */
 135     /*
 136       defconstant("tiocsigsend", TIOCSIGSEND);
 137       defconstant("tiocflush", TIOCFLUSH);
 138       defconstant("tiocgetp", TIOCGETP);
 139       defconstant("tiocsetp", TIOCSETP);
 140       defconstant("tiocgetc", TIOCGETC);
 141       defconstant("tiocsetc", TIOCSETC);
 142       defconstant("tiocgltc", TIOCGLTC);
 143       defconstant("tiocsltc", TIOCSLTC);
 144     */
 145     printf("\n");
 146
 147     printf(";;; signals\n");
 148     DEFSIGNAL(SIGALRM);
 149     DEFSIGNAL(SIGBUS);
 150     DEFSIGNAL(SIGCHLD);
 151     DEFSIGNAL(SIGCONT);
 152 /* FIXME: Maybe #ifdef SIGEMT would be a smarter conditional? */
 153 #if (!(defined LISP_FEATURE_LINUX) || !((defined LISP_FEATURE_PPC) || (defined LISP_FEATURE_X86)))
 154     DEFSIGNAL(SIGEMT);
 155 #endif
 156     DEFSIGNAL(SIGFPE);
 157     DEFSIGNAL(SIGHUP);
 158     DEFSIGNAL(SIGILL);
 159     DEFSIGNAL(SIGINT);
 160     DEFSIGNAL(SIGIO);
 161     DEFSIGNAL(SIGIOT);
 162     DEFSIGNAL(SIGKILL);
 163     DEFSIGNAL(SIGPIPE);
 164     DEFSIGNAL(SIGPROF);
 165     DEFSIGNAL(SIGQUIT);
 166     DEFSIGNAL(SIGSEGV);
 167 #if ((defined LISP_FEATURE_LINUX) && (defined LISP_FEATURE_X86))
 168     DEFSIGNAL(SIGSTKFLT);
 169 #endif
 170     DEFSIGNAL(SIGSTOP);
 171 #if (!((defined LISP_FEATURE_LINUX) && (defined LISP_FEATURE_X86)))
 172     DEFSIGNAL(SIGSYS);
 173 #endif
 174     DEFSIGNAL(SIGTERM);
 175     DEFSIGNAL(SIGTRAP);
 176     DEFSIGNAL(SIGTSTP);
 177     DEFSIGNAL(SIGTTIN);
 178     DEFSIGNAL(SIGTTOU);
 179     DEFSIGNAL(SIGURG);
 180     DEFSIGNAL(SIGUSR1);
 181     DEFSIGNAL(SIGUSR2);
 182     DEFSIGNAL(SIGVTALRM);
 183 #ifdef LISP_FEATURE_SUNOS
 184     DEFSIGNAL(SIGWAITING);
 185 #endif
 186     DEFSIGNAL(SIGWINCH);
 187 #ifndef LISP_FEATURE_HPUX
 188     DEFSIGNAL(SIGXCPU);
 189     DEFSIGNAL(SIGXFSZ);
 190 #endif
 191
 192     return 0;
 193 }