diff options
Diffstat (limited to 'ioq3-r437/src/tools/lcc/etc/lcc.c')
-rw-r--r-- | ioq3-r437/src/tools/lcc/etc/lcc.c | 811 |
1 files changed, 0 insertions, 811 deletions
diff --git a/ioq3-r437/src/tools/lcc/etc/lcc.c b/ioq3-r437/src/tools/lcc/etc/lcc.c deleted file mode 100644 index cac01b92..00000000 --- a/ioq3-r437/src/tools/lcc/etc/lcc.c +++ /dev/null @@ -1,811 +0,0 @@ -/* - * lcc [ option ]... [ file | -llib ]... - * front end for the ANSI C compiler - */ -static char rcsid[] = "Id: dummy rcsid"; - -#include <stdio.h> -#include <stdarg.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <ctype.h> -#include <signal.h> -#include <unistd.h> - -#ifndef TEMPDIR -#define TEMPDIR "/tmp" -#endif - -typedef struct list *List; -struct list { /* circular list nodes: */ - char *str; /* option or file name */ - List link; /* next list element */ -}; - -static void *alloc(int); -static List append(char *,List); -extern char *basename(char *); -static int callsys(char *[]); -extern char *concat(char *, char *); -static int compile(char *, char *); -static void compose(char *[], List, List, List); -static void error(char *, char *); -static char *exists(char *); -static char *first(char *); -static int filename(char *, char *); -static List find(char *, List); -static void help(void); -static void initinputs(void); -static void interrupt(int); -static void opt(char *); -static List path2list(const char *); -extern int main(int, char *[]); -extern char *replace(const char *, int, int); -static void rm(List); -extern char *strsave(const char *); -extern char *stringf(const char *, ...); -extern int suffix(char *, char *[], int); -extern char *tempname(char *); - -#ifndef __sun -extern int getpid(void); -#endif - -extern char *cpp[], *include[], *com[], *as[],*ld[], inputs[], *suffixes[]; -extern int option(char *); - -static int errcnt; /* number of errors */ -static int Eflag; /* -E specified */ -static int Sflag = 1; /* -S specified */ //for Q3 we always generate asm -static int cflag; /* -c specified */ -static int verbose; /* incremented for each -v */ -static List llist[2]; /* loader files, flags */ -static List alist; /* assembler flags */ -static List clist; /* compiler flags */ -static List plist; /* preprocessor flags */ -static List ilist; /* list of additional includes from LCCINPUTS */ -static List rmlist; /* list of files to remove */ -static char *outfile; /* ld output file or -[cS] object file */ -static int ac; /* argument count */ -static char **av; /* argument vector */ -char *tempdir = TEMPDIR; /* directory for temporary files */ -static char *progname; -static List lccinputs; /* list of input directories */ - -extern void UpdatePaths( const char *lccBinary ); - -int main(int argc, char *argv[]) { - int i, j, nf; - - progname = argv[0]; - - UpdatePaths( progname ); - - ac = argc + 50; - av = alloc(ac*sizeof(char *)); - if (signal(SIGINT, SIG_IGN) != SIG_IGN) - signal(SIGINT, interrupt); - if (signal(SIGTERM, SIG_IGN) != SIG_IGN) - signal(SIGTERM, interrupt); -#ifdef SIGHUP - if (signal(SIGHUP, SIG_IGN) != SIG_IGN) - signal(SIGHUP, interrupt); -#endif - if (getenv("TMP")) - tempdir = getenv("TMP"); - else if (getenv("TEMP")) - tempdir = getenv("TEMP"); - else if (getenv("TMPDIR")) - tempdir = getenv("TMPDIR"); - assert(tempdir); - i = strlen(tempdir); - for (; (i > 0 && tempdir[i-1] == '/') || tempdir[i-1] == '\\'; i--) - tempdir[i-1] = '\0'; - if (argc <= 1) { - help(); - exit(0); - } - plist = append("-D__LCC__", 0); - initinputs(); - if (getenv("LCCDIR")) - option(stringf("-lccdir=%s", getenv("LCCDIR"))); - for (nf = 0, i = j = 1; i < argc; i++) { - if (strcmp(argv[i], "-o") == 0) { - if (++i < argc) { - if (suffix(argv[i], suffixes, 2) >= 0) { - error("-o would overwrite %s", argv[i]); - exit(8); - } - outfile = argv[i]; - continue; - } else { - error("unrecognized option `%s'", argv[i-1]); - exit(8); - } - } else if (strcmp(argv[i], "-target") == 0) { - if (argv[i+1] && *argv[i+1] != '-') - i++; - continue; - } else if (*argv[i] == '-' && argv[i][1] != 'l') { - opt(argv[i]); - continue; - } else if (*argv[i] != '-' && suffix(argv[i], suffixes, 3) >= 0) - nf++; - argv[j++] = argv[i]; - } - if ((cflag || Sflag) && outfile && nf != 1) { - fprintf(stderr, "%s: -o %s ignored\n", progname, outfile); - outfile = 0; - } - argv[j] = 0; - for (i = 0; include[i]; i++) - plist = append(include[i], plist); - if (ilist) { - List b = ilist; - do { - b = b->link; - plist = append(b->str, plist); - } while (b != ilist); - } - ilist = 0; - for (i = 1; argv[i]; i++) - if (*argv[i] == '-') - opt(argv[i]); - else { - char *name = exists(argv[i]); - if (name) { - if (strcmp(name, argv[i]) != 0 - || (nf > 1 && suffix(name, suffixes, 3) >= 0)) - fprintf(stderr, "%s:\n", name); - filename(name, 0); - } else - error("can't find `%s'", argv[i]); - } - if (errcnt == 0 && !Eflag && !Sflag && !cflag && llist[1]) { - compose(ld, llist[0], llist[1], - append(outfile ? outfile : concat("a", first(suffixes[4])), 0)); - if (callsys(av)) - errcnt++; - } - rm(rmlist); - return errcnt ? EXIT_FAILURE : EXIT_SUCCESS; -} - -/* alloc - allocate n bytes or die */ -static void *alloc(int n) { - static char *avail, *limit; - - n = (n + sizeof(char *) - 1)&~(sizeof(char *) - 1); - if (n >= limit - avail) { - avail = malloc(n + 4*1024); - assert(avail); - limit = avail + n + 4*1024; - } - avail += n; - return avail - n; -} - -/* append - append a node with string str onto list, return new list */ -static List append(char *str, List list) { - List p = alloc(sizeof *p); - - p->str = str; - if (list) { - p->link = list->link; - list->link = p; - } else - p->link = p; - return p; -} - -/* basename - return base name for name, e.g. /usr/drh/foo.c => foo */ -char *basename(char *name) { - char *s, *b, *t = 0; - - for (b = s = name; *s; s++) - if (*s == '/' || *s == '\\') { - b = s + 1; - t = 0; - } else if (*s == '.') - t = s; - s = strsave(b); - if (t) - s[t-b] = 0; - return s; -} - -#ifdef WIN32 -#include <process.h> -#else -#define _P_WAIT 0 -#ifndef __sun -extern int fork(void); -#endif -extern int wait(int *); - -static int _spawnvp(int mode, const char *cmdname, char *argv[]) { - int pid, n, status; - - switch (pid = fork()) { - case -1: - fprintf(stderr, "%s: no more processes\n", progname); - return 100; - case 0: - // TTimo removing hardcoded paths, searching in $PATH - execvp(cmdname, argv); - fprintf(stderr, "%s: ", progname); - perror(cmdname); - fflush(stdout); - exit(100); - } - while ((n = wait(&status)) != pid && n != -1) - ; - if (n == -1) - status = -1; - if (status&0377) { - fprintf(stderr, "%s: fatal error in %s\n", progname, cmdname); - status |= 0400; - } - return (status>>8)&0377; -} -#endif - -/* callsys - execute the command described by av[0...], return status */ -static int callsys(char **av) { - int i, status = 0; - static char **argv; - static int argc; - char *executable; - - for (i = 0; av[i] != NULL; i++) - ; - if (i + 1 > argc) { - argc = i + 1; - if (argv == NULL) - argv = malloc(argc*sizeof *argv); - else - argv = realloc(argv, argc*sizeof *argv); - assert(argv); - } - for (i = 0; status == 0 && av[i] != NULL; ) { - int j = 0; - char *s = NULL; - for ( ; av[i] != NULL && (s = strchr(av[i], '\n')) == NULL; i++) - argv[j++] = av[i]; - if (s != NULL) { - if (s > av[i]) - argv[j++] = stringf("%.*s", s - av[i], av[i]); - if (s[1] != '\0') - av[i] = s + 1; - else - i++; - } - argv[j] = NULL; - executable = strsave( argv[0] ); - argv[0] = stringf( "\"%s\"", argv[0] ); - if (verbose > 0) { - int k; - fprintf(stderr, "%s", argv[0]); - for (k = 1; argv[k] != NULL; k++) - fprintf(stderr, " %s", argv[k]); - fprintf(stderr, "\n"); - } - if (verbose < 2) -#ifndef WIN32 - status = _spawnvp(_P_WAIT, executable, argv); -#else - status = _spawnvp(_P_WAIT, executable, (const char* const*)argv); -#endif - if (status == -1) { - fprintf(stderr, "%s: ", progname); - perror(argv[0]); - } - } - return status; -} - -/* concat - return concatenation of strings s1 and s2 */ -char *concat(char *s1, char *s2) { - int n = strlen(s1); - char *s = alloc(n + strlen(s2) + 1); - - strcpy(s, s1); - strcpy(s + n, s2); - return s; -} - -/* compile - compile src into dst, return status */ -static int compile(char *src, char *dst) { - compose(com, clist, append(src, 0), append(dst, 0)); - return callsys(av); -} - -/* compose - compose cmd into av substituting a, b, c for $1, $2, $3, resp. */ -static void compose(char *cmd[], List a, List b, List c) { - int i, j; - List lists[3]; - - lists[0] = a; - lists[1] = b; - lists[2] = c; - for (i = j = 0; cmd[i]; i++) { - char *s = strchr(cmd[i], '$'); - if (s && isdigit(s[1])) { - int k = s[1] - '0'; - assert(k >=1 && k <= 3); - if ((b = lists[k-1])) { - b = b->link; - av[j] = alloc(strlen(cmd[i]) + strlen(b->str) - 1); - strncpy(av[j], cmd[i], s - cmd[i]); - av[j][s-cmd[i]] = '\0'; - strcat(av[j], b->str); - strcat(av[j++], s + 2); - while (b != lists[k-1]) { - b = b->link; - assert(j < ac); - av[j++] = b->str; - }; - } - } else if (*cmd[i]) { - assert(j < ac); - av[j++] = cmd[i]; - } - } - av[j] = NULL; -} - -/* error - issue error msg according to fmt, bump error count */ -static void error(char *fmt, char *msg) { - fprintf(stderr, "%s: ", progname); - fprintf(stderr, fmt, msg); - fprintf(stderr, "\n"); - errcnt++; -} - -/* exists - if `name' readable return its path name or return null */ -static char *exists(char *name) { - List b; - - if ( (name[0] == '/' || name[0] == '\\' || name[2] == ':') - && access(name, 4) == 0) - return name; - if (!(name[0] == '/' || name[0] == '\\' || name[2] == ':') - && (b = lccinputs)) - do { - b = b->link; - if (b->str[0]) { - char buf[1024]; - sprintf(buf, "%s/%s", b->str, name); - if (access(buf, 4) == 0) - return strsave(buf); - } else if (access(name, 4) == 0) - return name; - } while (b != lccinputs); - if (verbose > 1) - return name; - return 0; -} - -/* first - return first component in semicolon separated list */ -static char *first(char *list) { - char *s = strchr(list, ';'); - - if (s) { - char buf[1024]; - strncpy(buf, list, s-list); - buf[s-list] = '\0'; - return strsave(buf); - } else - return list; -} - -/* filename - process file name argument `name', return status */ -static int filename(char *name, char *base) { - int status = 0; - static char *stemp, *itemp; - - if (base == 0) - base = basename(name); - switch (suffix(name, suffixes, 4)) { - case 0: /* C source files */ - compose(cpp, plist, append(name, 0), 0); - if (Eflag) { - status = callsys(av); - break; - } - if (itemp == NULL) - itemp = tempname(first(suffixes[1])); - compose(cpp, plist, append(name, 0), append(itemp, 0)); - status = callsys(av); - if (status == 0) - return filename(itemp, base); - break; - case 1: /* preprocessed source files */ - if (Eflag) - break; - if (Sflag) - status = compile(name, outfile ? outfile : concat(base, first(suffixes[2]))); - else if ((status = compile(name, stemp?stemp:(stemp=tempname(first(suffixes[2]))))) == 0) - return filename(stemp, base); - break; - case 2: /* assembly language files */ - if (Eflag) - break; - if (!Sflag) { - char *ofile; - if (cflag && outfile) - ofile = outfile; - else if (cflag) - ofile = concat(base, first(suffixes[3])); - else - ofile = tempname(first(suffixes[3])); - compose(as, alist, append(name, 0), append(ofile, 0)); - status = callsys(av); - if (!find(ofile, llist[1])) - llist[1] = append(ofile, llist[1]); - } - break; - case 3: /* object files */ - if (!find(name, llist[1])) - llist[1] = append(name, llist[1]); - break; - default: - if (Eflag) { - compose(cpp, plist, append(name, 0), 0); - status = callsys(av); - } - llist[1] = append(name, llist[1]); - break; - } - if (status) - errcnt++; - return status; -} - -/* find - find 1st occurrence of str in list, return list node or 0 */ -static List find(char *str, List list) { - List b; - - if ((b = list)) - do { - if (strcmp(str, b->str) == 0) - return b; - } while ((b = b->link) != list); - return 0; -} - -/* help - print help message */ -static void help(void) { - static char *msgs[] = { -"", " [ option | file ]...\n", -" except for -l, options are processed left-to-right before files\n", -" unrecognized options are taken to be linker options\n", -"-A warn about nonANSI usage; 2nd -A warns more\n", -"-b emit expression-level profiling code; see bprint(1)\n", -#ifdef sparc -"-Bstatic -Bdynamic specify static or dynamic libraries\n", -#endif -"-Bdir/ use the compiler named `dir/rcc'\n", -"-c compile only\n", -"-dn set switch statement density to `n'\n", -"-Dname -Dname=def define the preprocessor symbol `name'\n", -"-E run only the preprocessor on the named C programs and unsuffixed files\n", -"-g produce symbol table information for debuggers\n", -"-help or -? print this message\n", -"-Idir add `dir' to the beginning of the list of #include directories\n", -"-lx search library `x'\n", -"-N do not search the standard directories for #include files\n", -"-n emit code to check for dereferencing zero pointers\n", -"-O is ignored\n", -"-o file leave the output in `file'\n", -"-P print ANSI-style declarations for globals\n", -"-p -pg emit profiling code; see prof(1) and gprof(1)\n", -"-S compile to assembly language\n", -#ifdef linux -"-static specify static libraries (default is dynamic)\n", -#endif -"-t -tname emit function tracing calls to printf or to `name'\n", -"-target name is ignored\n", -"-tempdir=dir place temporary files in `dir/'", "\n" -"-Uname undefine the preprocessor symbol `name'\n", -"-v show commands as they are executed; 2nd -v suppresses execution\n", -"-w suppress warnings\n", -"-Woarg specify system-specific `arg'\n", -"-W[pfal]arg pass `arg' to the preprocessor, compiler, assembler, or linker\n", - 0 }; - int i; - char *s; - - msgs[0] = progname; - for (i = 0; msgs[i]; i++) { - fprintf(stderr, "%s", msgs[i]); - if (strncmp("-tempdir", msgs[i], 8) == 0 && tempdir) - fprintf(stderr, "; default=%s", tempdir); - } -#define xx(v) if ((s = getenv(#v))) fprintf(stderr, #v "=%s\n", s) - xx(LCCINPUTS); - xx(LCCDIR); -#ifdef WIN32 - xx(include); - xx(lib); -#endif -#undef xx -} - -/* initinputs - if LCCINPUTS or include is defined, use them to initialize various lists */ -static void initinputs(void) { - char *s = getenv("LCCINPUTS"); - List b; -#ifdef WIN32 - List list; -#endif - - if (s == 0 || (s = inputs)[0] == 0) - s = "."; - if (s) { - lccinputs = path2list(s); - if ((b = lccinputs)) - do { - b = b->link; - if (strcmp(b->str, ".") != 0) { - ilist = append(concat("-I", b->str), ilist); - if (strstr(com[1], "win32") == NULL) - llist[0] = append(concat("-L", b->str), llist[0]); - } else - b->str = ""; - } while (b != lccinputs); - } -#ifdef WIN32 - if ((list = b = path2list(getenv("include")))) - do { - b = b->link; - ilist = append(stringf("-I\"%s\"", b->str), ilist); - } while (b != list); -#endif -} - -/* interrupt - catch interrupt signals */ -static void interrupt(int n) { - rm(rmlist); - exit(n = 100); -} - -/* opt - process option in arg */ -static void opt(char *arg) { - switch (arg[1]) { /* multi-character options */ - case 'W': /* -Wxarg */ - if (arg[2] && arg[3]) - switch (arg[2]) { - case 'o': - if (option(&arg[3])) - return; - break; - case 'p': - plist = append(&arg[3], plist); - return; - case 'f': - if (strcmp(&arg[3], "-C") || option("-b")) { - clist = append(&arg[3], clist); - return; - } - break; /* and fall thru */ - case 'a': - alist = append(&arg[3], alist); - return; - case 'l': - llist[0] = append(&arg[3], llist[0]); - return; - } - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - case 'd': /* -dn */ - arg[1] = 's'; - clist = append(arg, clist); - return; - case 't': /* -t -tname -tempdir=dir */ - if (strncmp(arg, "-tempdir=", 9) == 0) - tempdir = arg + 9; - else - clist = append(arg, clist); - return; - case 'p': /* -p -pg */ - if (option(arg)) - clist = append(arg, clist); - else - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - case 'D': /* -Dname -Dname=def */ - case 'U': /* -Uname */ - case 'I': /* -Idir */ - plist = append(arg, plist); - return; - case 'B': /* -Bdir -Bstatic -Bdynamic */ -#ifdef sparc - if (strcmp(arg, "-Bstatic") == 0 || strcmp(arg, "-Bdynamic") == 0) - llist[1] = append(arg, llist[1]); - else -#endif - { - static char *path; - if (path) - error("-B overwrites earlier option", 0); - path = arg + 2; - if (strstr(com[1], "win32") != NULL) - com[0] = concat(replace(path, '/', '\\'), concat("rcc", first(suffixes[4]))); - else - com[0] = concat(path, "rcc"); - if (path[0] == 0) - error("missing directory in -B option", 0); - } - return; - case 'h': - if (strcmp(arg, "-help") == 0) { - static int printed = 0; - case '?': - if (!printed) - help(); - printed = 1; - return; - } -#ifdef linux - case 's': - if (strcmp(arg,"-static") == 0) { - if (!option(arg)) - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - } -#endif - } - if (arg[2] == 0) - switch (arg[1]) { /* single-character options */ - case 'S': - Sflag++; - return; - case 'O': - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - case 'A': case 'n': case 'w': case 'P': - clist = append(arg, clist); - return; - case 'g': case 'b': - if (option(arg)) - clist = append(arg[1] == 'g' ? "-g2" : arg, clist); - else - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - case 'G': - if (option(arg)) { - clist = append("-g3", clist); - llist[0] = append("-N", llist[0]); - } else - fprintf(stderr, "%s: %s ignored\n", progname, arg); - return; - case 'E': - Eflag++; - return; - case 'c': - cflag++; - return; - case 'N': - if (strcmp(basename(cpp[0]), "gcc-cpp") == 0) - plist = append("-nostdinc", plist); - include[0] = 0; - ilist = 0; - return; - case 'v': - if (verbose++ == 0) { - if (strcmp(basename(cpp[0]), "gcc-cpp") == 0) - plist = append(arg, plist); - clist = append(arg, clist); - fprintf(stderr, "%s %s\n", progname, rcsid); - } - return; - } - if (cflag || Sflag || Eflag) - fprintf(stderr, "%s: %s ignored\n", progname, arg); - else - llist[1] = append(arg, llist[1]); -} - -/* path2list - convert a colon- or semicolon-separated list to a list */ -static List path2list(const char *path) { - List list = NULL; - char sep = ':'; - - if (path == NULL) - return NULL; - if (strchr(path, ';')) - sep = ';'; - while (*path) { - char *p, buf[512]; - if ((p = strchr(path, sep))) { - assert(p - path < sizeof buf); - strncpy(buf, path, p - path); - buf[p-path] = '\0'; - } else { - assert(strlen(path) < sizeof buf); - strcpy(buf, path); - } - if (!find(buf, list)) - list = append(strsave(buf), list); - if (p == 0) - break; - path = p + 1; - } - return list; -} - -/* replace - copy str, then replace occurrences of from with to, return the copy */ -char *replace(const char *str, int from, int to) { - char *s = strsave(str), *p = s; - - for ( ; (p = strchr(p, from)) != NULL; p++) - *p = to; - return s; -} - -/* rm - remove files in list */ -static void rm(List list) { - if (list) { - List b = list; - if (verbose) - fprintf(stderr, "rm"); - do { - if (verbose) - fprintf(stderr, " %s", b->str); - if (verbose < 2) - remove(b->str); - } while ((b = b->link) != list); - if (verbose) - fprintf(stderr, "\n"); - } -} - -/* strsave - return a saved copy of string str */ -char *strsave(const char *str) { - return strcpy(alloc(strlen(str)+1), str); -} - -/* stringf - format and return a string */ -char *stringf(const char *fmt, ...) { - char buf[1024]; - va_list ap; - int n; - - va_start(ap, fmt); - n = vsprintf(buf, fmt, ap); - va_end(ap); - return strsave(buf); -} - -/* suffix - if one of tails[0..n-1] holds a proper suffix of name, return its index */ -int suffix(char *name, char *tails[], int n) { - int i, len = strlen(name); - - for (i = 0; i < n; i++) { - char *s = tails[i], *t; - for ( ; (t = strchr(s, ';')); s = t + 1) { - int m = t - s; - if (len > m && strncmp(&name[len-m], s, m) == 0) - return i; - } - if (*s) { - int m = strlen(s); - if (len > m && strncmp(&name[len-m], s, m) == 0) - return i; - } - } - return -1; -} - -/* tempname - generate a temporary file name in tempdir with given suffix */ -char *tempname(char *suffix) { - static int n; - char *name = stringf("%s/lcc%d%d%s", tempdir, getpid(), n++, suffix); - - if (strstr(com[1], "win32") != NULL) - name = replace(name, '/', '\\'); - rmlist = append(name, rmlist); - return name; -} |