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-rw-r--r--libguile/dynl-shl.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/libguile/dynl-shl.c b/libguile/dynl-shl.c
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index b8e474484..000000000
--- a/libguile/dynl-shl.c
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-/* dynl-shl.c - dynamic linking with shl_load (HP-UX)
- *
- * Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice.
- */
-
-/* "dynl.c" dynamically link&load object files.
- Author: Aubrey Jaffer
- Modified for libguile by Marius Vollmer */
-
-#include "_scm.h"
-#include "genio.h"
-#include "smob.h"
-
-#include "dl.h"
-
-#define SHL(obj) ((shl_t*)SCM_CDR(obj))
-
-static int printshl SCM_P ((SCM exp, SCM port, scm_printstate *pstate));
-
-static int
-prinshl (exp, port, pstate)
- SCM exp;
- SCM port;
- scm_printstate *pstate;
-{
- scm_gen_puts (scm_regular_string, "#<dynamic-linked ", port);
- scm_intprint (SCM_CDR (exp), 16, port);
- scm_gen_putc ('>', port);
- return 1;
-}
-
-int scm_tc16_shl;
-static scm_smobfuns shlsmob = { scm_mark0, scm_free0, prinshl };
-
-SCM_PROC (s_dynamic_link, "dynamic-link", 1, 0, 0, scm_dynamic_link);
-
-SCM
-scm_dynamic_link (fname)
- SCM fname;
-{
- SCM z;
- shl_t shl;
-
- fname = scm_coerce_rostring (fname, s_dynamic_link, SCM_ARG1);
-
- SCM_DEFER_INTS;
- shl = shl_load (SCM_CHARS (fname), BIND_DEFERRED , 0L);
- if (NULL==shl)
- scm_misc_error (s_dynamic_link, "dynamic linking failed", SCM_EOL);
- SCM_NEWCELL (z);
- SCM_SETCHARS (z, shl);
- SCM_SETCAR (z, scm_tc16_shl);
- SCM_ALLOW_INTS;
-
- return z;
-}
-
-SCM_PROC (s_dynamic_call, "dynamic-call", 2, 0, 0, scm_dynamic_call);
-
-SCM
-scm_dynamic_call (symb, shl)
- SCM symb, shl;
-{
- void (*func)() = 0;
- int i;
-
- symb = scm_coerce_rostring (symb, s_dynamic_call, SCM_ARG1);
- SCM_ASSERT (SCM_NIMP (shl) && SCM_CAR (shl) == scm_tc16_shl, shl, SCM_ARG2,
- s_dynamic_call);
-
- SCM_DEFER_INTS;
- if (shl_findsym (&SHL(shl), SCM_CHARS(symb), TYPE_PROCEDURE, &func))
- scm_misc_error (s_dynamic_call, "undefined function",
- scm_cons (symb, SCM_EOL));
- SCM_ALLOW_INTS;
-
- (*func) ();
- return SCM_BOOL_T;
-}
-
-SCM_PROC (s_dynamic_args_call, "dynamic-args-call", 3, 0, 0, scm_dynamic_args_call);
-
-SCM
-scm_dynamic_args_call (symb, shl, args)
- SCM symb, shl, args;
-{
- int i, argc;
- char **argv;
- int (*func) SCM_P ((int argc, char **argv)) = 0;
-
- symb = scm_coerce_rostring (symb, s_dynamic_args_call, SCM_ARG1);
- SCM_ASSERT (SCM_NIMP (shl) && SCM_CAR(shl) == scm_tc16_shl, shl, SCM_ARG2,
- s_dynamic_args_call);
-
- SCM_DEFER_INTS;
- if (shl_findsym(&SHL(shl), SCM_CHARS(symb), TYPE_PROCEDURE, &func))
- scm_misc_error (s_dynamic_call, "undefined function: %s",
- scm_cons (symb, SCM_EOL));
- argv = scm_make_argv_from_stringlist (args, &argc, s_dynamic_args_call,
- SCM_ARG3);
- SCM_ALLOW_INTS;
-
- i = (*func) (argc, argv);
-
- SCM_DEFER_INTS;
- scm_must_free_argv (argv);
- SCM_ALLOW_INTS;
- return SCM_MAKINUM (0L+i);
-}
-
-SCM_PROC (s_dynamic_unlink, "dynamic-unlink", 1, 0, 0, scm_dynamic_unlink);
-
-SCM
-scm_dynamic_unlink (shl)
- SCM shl;
-{
- int status;
- SCM_ASSERT (SCM_NIMP (shl) && SCM_CAR (shl) == scm_tc16_shl, shl,
- SCM_ARG1, s_dynamic_unlink);
-
- SCM_DEFER_INTS;
- status = shl_unload (SHL (shl));
- SCM_ALLOW_INTS;
- if (!status)
- return SCM_BOOL_T;
- return SCM_BOOL_F;
-}
-
-void
-scm_init_dynamic_linking ()
-{
- scm_tc16_shl = scm_newsmob (&shlsmob);
-#include "dynl.x"
-}