* files for more information.
*/
-/*
- * $Header$
- */
+#include "sbcl.h"
#include <stdio.h>
+#include <string.h>
+#ifndef LISP_FEATURE_WIN32
+#include <libgen.h>
+#endif
#include <sys/types.h>
+#ifndef LISP_FEATURE_WIN32
+#include <sys/wait.h>
+#endif
#include <stdlib.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/param.h>
#include <sys/stat.h>
+#include <signal.h>
+#ifndef LISP_FEATURE_WIN32
+#include <sched.h>
+#endif
+#include <errno.h>
+#include <locale.h>
+
+#if defined(SVR4) || defined(__linux__)
+#include <time.h>
+#endif
#include "signal.h"
#include "runtime.h"
-#include "sbcl.h"
#include "alloc.h"
#include "vars.h"
#include "globals.h"
#include "arch.h"
#include "gc.h"
#include "interr.h"
-#include "monitor.h"
#include "validate.h"
-#if defined GENCGC
-#include "gencgc.h"
-#endif
#include "core.h"
#include "save.h"
#include "lispregs.h"
+#include "thread.h"
+
+#include "genesis/static-symbols.h"
+#include "genesis/symbol.h"
+
#ifdef irix
#include <string.h>
#include "interr.h"
#endif
+
+#ifndef SBCL_HOME
+#define SBCL_HOME "/usr/local/lib/sbcl/"
+#endif
+
+#ifdef LISP_FEATURE_HPUX
+extern void *return_from_lisp_stub;
+#include "genesis/closure.h"
+#include "genesis/simple-fun.h"
+#endif
+
\f
/* SIGINT handler that invokes the monitor (for when Lisp isn't up to it) */
-
-static void sigint_handler(int signal, siginfo_t *info, void *void_context)
+static void
+sigint_handler(int signal, siginfo_t *info, void *void_context)
{
- printf("\nSIGINT hit at 0x%08lX\n", *os_context_pc_addr(void_context));
- ldb_monitor();
+ lose("\nSIGINT hit at 0x%08lX\n",
+ (unsigned long) *os_context_pc_addr(void_context));
}
/* (This is not static, because we want to be able to call it from
* Lisp land.) */
-void sigint_init(void)
+void
+sigint_init(void)
{
+ SHOW("entering sigint_init()");
install_handler(SIGINT, sigint_handler);
+ SHOW("leaving sigint_init()");
}
\f
/*
{
void* result = malloc(size);
if (0 == result) {
- lose("malloc failure");
+ lose("malloc failure\n");
} else {
- return result;
+ return result;
}
+ return (void *) NULL; /* dummy value: return something ... */
}
char *
{
struct stat filename_stat;
if (stat(filename, &filename_stat)) { /* if failure */
- return 0;
+ return 0;
} else {
return copied_string(filename);
}
}
+\f
+/* miscellaneous chattiness */
-/* Convert a null-terminated array of null-terminated strings (e.g.
- * argv or envp) into a Lisp list of Lisp strings. */
-static lispobj
-alloc_string_list(char *array_ptr[])
+void
+print_help()
{
- if (*array_ptr) {
- return alloc_cons(alloc_string(*array_ptr),
- alloc_string_list(1 + array_ptr));
- } else {
- return NIL;
+ puts(
+"Usage: sbcl [runtime-options] [toplevel-options] [user-options]\n\
+Common runtime options:\n\
+ --help Print this message and exit.\n\
+ --version Print version information and exit.\n\
+ --core <filename> Use the specified core file instead of the default.\n\
+ --dynamic-space-size <MiB> Size of reserved dynamic space in megabytes.\n\
+ --control-stack-size <MiB> Size of reserved control stack in megabytes.\n\
+\n\
+Common toplevel options:\n\
+ --sysinit <filename> System-wide init-file to use instead of default.\n\
+ --userinit <filename> Per-user init-file to use instead of default.\n\
+ --no-sysinit Inhibit processing of any system-wide init-file.\n\
+ --no-userinit Inhibit processing of any per-user init-file.\n\
+\n\
+User options are not processed by SBCL. All runtime options must\n\
+appear before toplevel options, and all toplevel options must\n\
+appear before user options.\n\
+\n\
+For more information please refer to the SBCL User Manual, which\n\
+should be installed along with SBCL, and is also available from the\n\
+website <http://www.sbcl.org/>.\n");
+}
+
+void
+print_version()
+{
+ printf("SBCL %s\n", SBCL_VERSION_STRING);
+}
+
+void
+print_banner()
+{
+ printf(
+"This is SBCL %s, an implementation of ANSI Common Lisp.\n\
+More information about SBCL is available at <http://www.sbcl.org/>.\n\
+\n\
+SBCL is free software, provided as is, with absolutely no warranty.\n\
+It is mostly in the public domain; some portions are provided under\n\
+BSD-style licenses. See the CREDITS and COPYING files in the\n\
+distribution for more information.\n\
+", SBCL_VERSION_STRING);
+}
+
+/* Look for a core file to load, first in the directory named by the
+ * SBCL_HOME environment variable, then in a hardcoded default
+ * location. Returns a malloced copy of the core filename. */
+char *
+search_for_core ()
+{
+ char *sbcl_home = getenv("SBCL_HOME");
+ char *lookhere;
+ char *stem = "/sbcl.core";
+ char *core;
+
+ if (!(sbcl_home && *sbcl_home)) sbcl_home = SBCL_HOME;
+ lookhere = (char *) calloc(strlen(sbcl_home) +
+ strlen(stem) +
+ 1,
+ sizeof(char));
+ sprintf(lookhere, "%s%s", sbcl_home, stem);
+ core = copied_existing_filename_or_null(lookhere);
+
+ if (!core) {
+ lose("can't find core file at %s\n", lookhere);
}
+
+ free(lookhere);
+
+ return core;
}
+
+char **posix_argv;
+char *core_string;
+
+struct runtime_options *runtime_options;
+
\f
int
main(int argc, char *argv[], char *envp[])
{
+#ifdef LISP_FEATURE_WIN32
+ /* Exception handling support structure. Evil Win32 hack. */
+ struct lisp_exception_frame exception_frame;
+#endif
+
/* the name of the core file we're to execute. Note that this is
- * a malloc'ed string which must be freed eventually. */
+ * a malloc'ed string which should be freed eventually. */
char *core = 0;
+ char **sbcl_argv = 0;
+ os_vm_offset_t embedded_core_offset = 0;
+ char *runtime_path = 0;
/* other command line options */
boolean noinform = 0;
boolean end_runtime_options = 0;
lispobj initial_function;
+ const char *sbcl_home = getenv("SBCL_HOME");
+
+ interrupt_init();
+ block_blockable_signals();
+
+ setlocale(LC_ALL, "");
+
+ runtime_options = NULL;
+
+ /* Check early to see if this executable has an embedded core,
+ * which also populates runtime_options if the core has runtime
+ * options */
+ runtime_path = os_get_runtime_executable_path();
+ if (runtime_path) {
+ os_vm_offset_t offset = search_for_embedded_core(runtime_path);
+ if (offset != -1) {
+ embedded_core_offset = offset;
+ core = runtime_path;
+ } else {
+ free(runtime_path);
+ }
+ }
- os_init();
- gc_init();
- validate();
/* Parse our part of the command line (aka "runtime options"),
* stripping out those options that we handle. */
- {
- int argi = 1;
- while (argi < argc) {
- char *arg = argv[argi];
- if (0 == strcmp(arg, "--noinform")) {
- noinform = 1;
- ++argi;
- } else if (0 == strcmp(arg, "--core")) {
- if (core) {
- lose("more than one core file specified");
- } else {
- ++argi;
- core = copied_string(argv[argi]);
- if (argi >= argc) {
- lose("missing filename for --core argument");
- }
- ++argi;
- }
- } else if (0 == strcmp(arg, "--end-runtime-options")) {
- end_runtime_options = 1;
- ++argi;
- break;
- } else {
- /* This option was unrecognized as a runtime option,
- * so it must be a toplevel option or a user option,
- * so we must be past the end of the runtime option
- * section. */
- break;
- }
- }
- /* This is where we strip out those options that we handle. We
- * also take this opportunity to make sure that we don't find
- * an out-of-place "--end-runtime-options" option. */
- {
- char *argi0 = argv[argi];
- int argj = 1;
- while (argi < argc) {
- char *arg = argv[argi++];
- /* If we encounter --end-runtime-options for the first
- * time after the point where we had to give up on
- * runtime options, then the point where we had to
- * give up on runtime options must've been a user
- * error. */
- if (!end_runtime_options &&
- 0 == strcmp(arg, "--end-runtime-options")) {
- lose("bad runtime option \"%s\"", argi0);
- }
- argv[argj++] = arg;
- }
- argv[argj] = 0;
- argc = argj;
- }
+ if (runtime_options != NULL) {
+ dynamic_space_size = runtime_options->dynamic_space_size;
+ thread_control_stack_size = runtime_options->thread_control_stack_size;
+ sbcl_argv = argv;
+ } else {
+ int argi = 1;
+
+ runtime_options = successful_malloc(sizeof(struct runtime_options));
+
+ while (argi < argc) {
+ char *arg = argv[argi];
+ if (0 == strcmp(arg, "--script")) {
+ /* This is both a runtime and a toplevel option. As a
+ * runtime option, it is equivalent to --noinform.
+ * This exits, and does not increment argi, so that
+ * TOPLEVEL-INIT sees the option. */
+ noinform = 1;
+ end_runtime_options = 1;
+ break;
+ } else if (0 == strcmp(arg, "--noinform")) {
+ noinform = 1;
+ ++argi;
+ } else if (0 == strcmp(arg, "--core")) {
+ if (core) {
+ lose("more than one core file specified\n");
+ } else {
+ ++argi;
+ if (argi >= argc) {
+ lose("missing filename for --core argument\n");
+ }
+ core = copied_string(argv[argi]);
+ ++argi;
+ }
+ } else if (0 == strcmp(arg, "--help")) {
+ /* I think this is the (or a) usual convention: upon
+ * seeing "--help" we immediately print our help
+ * string and exit, ignoring everything else. */
+ print_help();
+ exit(0);
+ } else if (0 == strcmp(arg, "--version")) {
+ /* As in "--help" case, I think this is expected. */
+ print_version();
+ exit(0);
+ } else if (0 == strcmp(arg, "--dynamic-space-size")) {
+ ++argi;
+ if (argi >= argc)
+ lose("missing argument for --dynamic-space-size");
+ errno = 0;
+ dynamic_space_size = strtol(argv[argi++], 0, 0) << 20;
+ if (errno)
+ lose("argument to --dynamic-space-size is not a number");
+# ifdef MAX_DYNAMIC_SPACE_END
+ if (!((DYNAMIC_SPACE_START <
+ DYNAMIC_SPACE_START+dynamic_space_size) &&
+ (DYNAMIC_SPACE_START+dynamic_space_size <=
+ MAX_DYNAMIC_SPACE_END)))
+ lose("specified --dynamic-space-size too large");
+# endif
+ } else if (0 == strcmp(arg, "--control-stack-size")) {
+ ++argi;
+ if (argi >= argc)
+ lose("missing argument for --control-stack-size");
+ errno = 0;
+ thread_control_stack_size = strtol(argv[argi++], 0, 0) << 20;
+ if (errno)
+ lose("argument to --control-stack-size is not a number");
+ } else if (0 == strcmp(arg, "--debug-environment")) {
+ int n = 0;
+ printf("; Commandline arguments:\n");
+ while (n < argc) {
+ printf("; %2d: \"%s\"\n", n, argv[n]);
+ ++n;
+ }
+ n = 0;
+ printf(";\n; Environment:\n");
+ while (ENVIRON[n]) {
+ printf("; %2d: \"%s\"\n", n, ENVIRON[n]);
+ ++n;
+ }
+ ++argi;
+ } else if (0 == strcmp(arg, "--end-runtime-options")) {
+ end_runtime_options = 1;
+ ++argi;
+ break;
+ } else {
+ /* This option was unrecognized as a runtime option,
+ * so it must be a toplevel option or a user option,
+ * so we must be past the end of the runtime option
+ * section. */
+ break;
+ }
+ }
+ /* This is where we strip out those options that we handle. We
+ * also take this opportunity to make sure that we don't find
+ * an out-of-place "--end-runtime-options" option. */
+ {
+ char *argi0 = argv[argi];
+ int argj = 1;
+ /* (argc - argi) for the arguments, one for the binary,
+ and one for the terminating NULL. */
+ sbcl_argv = successful_malloc((2 + argc - argi) * sizeof(char *));
+ sbcl_argv[0] = argv[0];
+ while (argi < argc) {
+ char *arg = argv[argi++];
+ /* If we encounter --end-runtime-options for the first
+ * time after the point where we had to give up on
+ * runtime options, then the point where we had to
+ * give up on runtime options must've been a user
+ * error. */
+ if (!end_runtime_options &&
+ 0 == strcmp(arg, "--end-runtime-options")) {
+ lose("bad runtime option \"%s\"\n", argi0);
+ }
+ sbcl_argv[argj++] = arg;
+ }
+ sbcl_argv[argj] = 0;
+ }
}
+ /* Align down to multiple of page_table page size, and to the appropriate
+ * stack alignment. */
+ dynamic_space_size &= ~(PAGE_BYTES-1);
+ thread_control_stack_size &= ~(CONTROL_STACK_ALIGNMENT_BYTES-1);
+
+ /* Preserve the runtime options for possible future core saving */
+ runtime_options->dynamic_space_size = dynamic_space_size;
+ runtime_options->thread_control_stack_size = thread_control_stack_size;
+
+ /* KLUDGE: os_vm_page_size is set by os_init(), and on some
+ * systems (e.g. Alpha) arch_init() needs need os_vm_page_size, so
+ * it must follow os_init(). -- WHN 2000-01-26 */
+ os_init(argv, envp);
+ arch_init();
+ gc_init();
+ validate();
+
/* If no core file was specified, look for one. */
if (!core) {
- char *sbcl_home = getenv("SBCL_HOME");
- if (sbcl_home) {
- char *lookhere;
- asprintf(&lookhere, "%s/sbcl.core", sbcl_home);
- core = copied_existing_filename_or_null(lookhere);
- free(lookhere);
- } else {
- core = copied_existing_filename_or_null("/usr/lib/sbcl.core");
- if (!core) {
- core = copied_existing_filename_or_null("/usr/local/lib/sbcl.core");
- }
- }
- if (!core) {
- lose("can't find core file");
- }
+ core = search_for_core();
}
- if (!noinform) {
- printf(
-"This is SBCL " SBCL_VERSION_STRING ", an implementation of ANSI Common Lisp.
-
-SBCL is derived from the CMU CL system created at Carnegie Mellon University.
-Besides material created at Carnegie Mellon University, and material
-contributed by volunteers since its release into the public domain, CMU CL
-contained, and SBCL contains, material copyrighted by
- Massachusetts Institute of Technology, 1986;
- Symbolics, Inc., 1989, 1990, 1991, 1992; and
- Xerox Corporation, 1985, 1986, 1987, 1988, 1989, 1990.
-More information about the origin of SBCL is available in the CREDITS file
-in the distribution.
-
-SBCL is a free software system, provided as is, with absolutely no warranty.
-It is mostly public domain software, but also includes some software from
-MIT, Symbolics, and Xerox, used under BSD-style licenses which allow copying
-only under certain conditions. More information about copying SBCL is
-available in the COPYING file in the distribution.
-
-More information on SBCL is available at <http://sbcl.sourceforge.net/>.
-");
- fflush(stdout);
+ /* Make sure that SBCL_HOME is set and not the empty string,
+ unless loading an embedded core. */
+ if (!(sbcl_home && *sbcl_home) && embedded_core_offset == 0) {
+ char *envstring, *copied_core, *dir;
+ char *stem = "SBCL_HOME=";
+ copied_core = copied_string(core);
+ dir = dirname(copied_core);
+ envstring = (char *) calloc(strlen(stem) +
+ strlen(dir) +
+ 1,
+ sizeof(char));
+ sprintf(envstring, "%s%s", stem, dir);
+ putenv(envstring);
+ free(copied_core);
+ }
+
+ if (!noinform && embedded_core_offset == 0) {
+ print_banner();
+ fflush(stdout);
}
-#ifdef MACH
- mach_init();
-#endif
#if defined(SVR4) || defined(__linux__)
tzset();
#endif
define_var("nil", NIL, 1);
define_var("t", T, 1);
- set_lossage_handler(ldb_monitor);
+ enable_lossage_handler();
-#if 0
- os_init();
- gc_init();
- validate();
-#endif
globals_init();
- initial_function = load_core_file(core);
+ initial_function = load_core_file(core, embedded_core_offset);
if (initial_function == NIL) {
- lose("couldn't find initial function");
+ lose("couldn't find initial function\n");
}
- free(core);
-
-#if defined GENCGC
- gencgc_pickup_dynamic();
-#else
-#if defined WANT_CGC && defined X86_CGC_ACTIVE_P
- {
- extern int use_cgc_p;
- lispobj x = SymbolValue(X86_CGC_ACTIVE_P);
- if (x != type_UnboundMarker && x != NIL) {
- /* Enable allocator. */
- use_cgc_p = 1;
- }
- }
-#endif
-#endif
-
-#ifdef BINDING_STACK_POINTER
- SetSymbolValue(BINDING_STACK_POINTER, BINDING_STACK_START);
-#endif
-#if defined INTERNAL_GC_TRIGGER && !defined __i386__
- SetSymbolValue(INTERNAL_GC_TRIGGER, make_fixnum(-1));
+#ifdef LISP_FEATURE_HPUX
+ /* -1 = CLOSURE_FUN_OFFSET, 23 = SIMPLE_FUN_CODE_OFFSET, we are
+ * not in LANGUAGE_ASSEMBLY so we cant reach them. */
+ return_from_lisp_stub = (void *) ((char *)*((unsigned long *)
+ ((char *)initial_function + -1)) + 23);
#endif
- interrupt_init();
+ gc_initialize_pointers();
arch_install_interrupt_handlers();
+#ifndef LISP_FEATURE_WIN32
os_install_interrupt_handlers();
-
-#ifdef PSEUDO_ATOMIC_ATOMIC
- /* Turn on pseudo atomic for when we call into Lisp. */
- SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1));
- SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0));
+#else
+/* wos_install_interrupt_handlers(handler); */
+ wos_install_interrupt_handlers(&exception_frame);
#endif
- /* Convert remaining argv values to something that Lisp can grok. */
- SetSymbolValue(POSIX_ARGV, alloc_string_list(argv));
-
- /* Install a handler to pick off SIGINT until the Lisp system gets
- * far enough along to install its own handler. */
- sigint_init();
-
- funcall0(initial_function);
-
- /* initial_function() is not supposed to return. */
- lose("Lisp initial_function gave up control.");
+ /* Pass core filename and the processed argv into Lisp. They'll
+ * need to be processed further there, to do locale conversion.
+ */
+ core_string = core;
+ posix_argv = sbcl_argv;
+
+ FSHOW((stderr, "/funcalling initial_function=0x%lx\n",
+ (unsigned long)initial_function));
+#ifdef LISP_FEATURE_WIN32
+ fprintf(stderr, "\n\
+This is experimental prerelease support for the Windows platform: use\n\
+at your own risk. \"Your Kitten of Death awaits!\"\n");
+ fflush(stdout);
+ fflush(stderr);
+#endif
+ create_initial_thread(initial_function);
+ lose("CATS. CATS ARE NICE.\n");
+ return 0;
}
projects / sbcl.git / blobdiff