diff options
Diffstat (limited to 'libguile/dynl-shl.c')
-rw-r--r-- | libguile/dynl-shl.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/libguile/dynl-shl.c b/libguile/dynl-shl.c deleted file mode 100644 index b8e474484..000000000 --- a/libguile/dynl-shl.c +++ /dev/null @@ -1,172 +0,0 @@ -/* 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" -} |