84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
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/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* Start-up code */
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#include <stdio.h>
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#include <stdlib.h>
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#include "gc.h"
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#include "gc_ctrl.h"
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#include "misc.h"
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#include "mlvalues.h"
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#include "sys.h"
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header_t atom_table[256];
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char * static_data_start, * static_data_end;
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static void init_atoms()
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{
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int i;
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extern struct { char * begin; char * end; } caml_data_segments[];
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for (i = 0; i < 256; i++) atom_table[i] = Make_header(0, i, White);
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static_data_start = caml_data_segments[0].begin;
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static_data_end = caml_data_segments[0].end;
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for (i = 1; caml_data_segments[i].begin != 0; i++) {
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if (caml_data_segments[i].begin < static_data_start)
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static_data_start = caml_data_segments[i].begin;
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if (caml_data_segments[i].end > static_data_end)
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static_data_end = caml_data_segments[i].end;
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}
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}
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extern value caml_start_program P((void));
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int caml_main(argc, argv)
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int argc;
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char * argv[];
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{
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int verbose_init = 0, percent_free_init = Percent_free_def;
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long minor_heap_init = Minor_heap_def, heap_chunk_init = Heap_chunk_def;
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char * opt;
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value retcode;
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init_ieee_floats();
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#ifdef DEBUG
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verbose_init = 1;
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#endif
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/* Runtime options. The option letter is the first letter of the
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last word of the ML name of the option (see [lib/gc.mli]). */
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opt = getenv ("CAMLRUNPARAM");
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if (opt != NULL){
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while (*opt != '\0'){
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switch (*opt++){
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case 's': sscanf (opt, "=%ld", &minor_heap_init); break;
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case 'i': sscanf (opt, "=%ld", &heap_chunk_init); break;
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case 'o': sscanf (opt, "=%d", &percent_free_init); break;
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case 'v': sscanf (opt, "=%d", &verbose_init); break;
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}
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}
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}
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init_gc (minor_heap_init, heap_chunk_init, percent_free_init, verbose_init);
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init_atoms();
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init_signals();
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sys_init(argv);
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retcode = caml_start_program();
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if (retcode == 0) {
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sys_exit(Val_int(0));
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} else {
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fatal_error_arg("Fatal error: uncaught exception %s.\n",
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String_val(Field(Field(retcode, 0), 0)));
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}
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}
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