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-rw-r--r--asmrun/startup.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/asmrun/startup.c b/asmrun/startup.c
new file mode 100644
index 000000000..780850bb3
--- /dev/null
+++ b/asmrun/startup.c
@@ -0,0 +1,83 @@
+/***********************************************************************/
+/* */
+/* Objective Caml */
+/* */
+/* Xavier Leroy and Damien Doligez, INRIA Rocquencourt */
+/* */
+/* Copyright 1996 Institut National de Recherche en Informatique et */
+/* Automatique. Distributed only by permission. */
+/* */
+/***********************************************************************/
+
+/* $Id$ */
+
+/* Start-up code */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "gc.h"
+#include "gc_ctrl.h"
+#include "misc.h"
+#include "mlvalues.h"
+#include "sys.h"
+
+header_t atom_table[256];
+char * static_data_start, * static_data_end;
+
+static void init_atoms()
+{
+ int i;
+ extern struct { char * begin; char * end; } caml_data_segments[];
+
+ for (i = 0; i < 256; i++) atom_table[i] = Make_header(0, i, White);
+ static_data_start = caml_data_segments[0].begin;
+ static_data_end = caml_data_segments[0].end;
+ for (i = 1; caml_data_segments[i].begin != 0; i++) {
+ if (caml_data_segments[i].begin < static_data_start)
+ static_data_start = caml_data_segments[i].begin;
+ if (caml_data_segments[i].end > static_data_end)
+ static_data_end = caml_data_segments[i].end;
+ }
+}
+
+extern value caml_start_program P((void));
+
+int caml_main(argc, argv)
+ int argc;
+ char * argv[];
+{
+ int verbose_init = 0, percent_free_init = Percent_free_def;
+ long minor_heap_init = Minor_heap_def, heap_chunk_init = Heap_chunk_def;
+ char * opt;
+ value retcode;
+
+ init_ieee_floats();
+#ifdef DEBUG
+ verbose_init = 1;
+#endif
+ /* Runtime options. The option letter is the first letter of the
+ last word of the ML name of the option (see [lib/gc.mli]). */
+ opt = getenv ("CAMLRUNPARAM");
+ if (opt != NULL){
+ while (*opt != '\0'){
+ switch (*opt++){
+ case 's': sscanf (opt, "=%ld", &minor_heap_init); break;
+ case 'i': sscanf (opt, "=%ld", &heap_chunk_init); break;
+ case 'o': sscanf (opt, "=%d", &percent_free_init); break;
+ case 'v': sscanf (opt, "=%d", &verbose_init); break;
+ }
+ }
+ }
+ init_gc (minor_heap_init, heap_chunk_init, percent_free_init, verbose_init);
+ init_atoms();
+ init_signals();
+ sys_init(argv);
+ retcode = caml_start_program();
+ if (retcode == 0) {
+ sys_exit(Val_int(0));
+ } else {
+ fatal_error_arg("Fatal error: uncaught exception %s.\n",
+ String_val(Field(Field(retcode, 0), 0)));
+ }
+}
+