void caml_load_code(int fd, asize_t len)
{
/* OCamlCC: fix g++ warning */
asize_t i;
caml_code_size = len;
caml_start_code = (code_t) caml_stat_alloc(caml_code_size);
/* OCamlCC: fix g++ warning */
if (read(fd, (char *) caml_start_code, caml_code_size) !=
(ssize_t) caml_code_size)
caml_fatal_error("Fatal error: truncated bytecode file.\n");
caml_init_code_fragments();
/* Prepare the code for execution */
#ifdef ARCH_BIG_ENDIAN
caml_fixup_endianness(caml_start_code, caml_code_size);
#endif
if (caml_debugger_in_use) {
len /= sizeof(opcode_t);
caml_saved_code = (unsigned char *) caml_stat_alloc(len);
for (i = 0; i < len; i++) caml_saved_code[i] = caml_start_code[i];
}
#ifdef THREADED_CODE
/* Better to thread now than at the beginning of [caml_interprete],
since the debugger interface needs to perform SET_EVENT requests
on the code. */
caml_thread_code(caml_start_code, caml_code_size);
#endif
}
CAMLexport void caml_startup_code(
code_t code, asize_t code_size,
char *data, asize_t data_size,
char *section_table, asize_t section_table_size,
char **argv)
{
value res;
char* cds_file;
char * exe_name;
#ifdef __linux__
static char proc_self_exe[256];
#endif
caml_init_ieee_floats();
#ifdef _MSC_VER
caml_install_invalid_parameter_handler();
#endif
caml_init_custom_operations();
#ifdef DEBUG
caml_verb_gc = 63;
#endif
cds_file = getenv("CAML_DEBUG_FILE");
if (cds_file != NULL) {
caml_cds_file = caml_stat_alloc(strlen(cds_file) + 1);
strcpy(caml_cds_file, cds_file);
}
parse_camlrunparam();
exe_name = argv[0];
#ifdef __linux__
if (caml_executable_name(proc_self_exe, sizeof(proc_self_exe)) == 0)
exe_name = proc_self_exe;
#endif
caml_external_raise = NULL;
/* Initialize the abstract machine */
caml_init_gc (minor_heap_init, heap_size_init, heap_chunk_init,
percent_free_init, max_percent_free_init);
caml_init_stack (max_stack_init);
init_atoms();
/* Initialize the interpreter */
caml_interprete(NULL, 0);
/* Initialize the debugger, if needed */
caml_debugger_init();
/* Load the code */
caml_start_code = code;
caml_code_size = code_size;
caml_init_code_fragments();
if (caml_debugger_in_use) {
int len, i;
len = code_size / sizeof(opcode_t);
caml_saved_code = (unsigned char *) caml_stat_alloc(len);
for (i = 0; i < len; i++) caml_saved_code[i] = caml_start_code[i];
}
#ifdef THREADED_CODE
caml_thread_code(caml_start_code, code_size);
#endif
/* Use the builtin table of primitives */
caml_build_primitive_table_builtin();
/* Load the globals */
caml_global_data = caml_input_value_from_block(data, data_size);
/* Ensure that the globals are in the major heap. */
caml_oldify_one (caml_global_data, &caml_global_data);
caml_oldify_mopup ();
/* Record the sections (for caml_get_section_table in meta.c) */
caml_section_table = section_table;
caml_section_table_size = section_table_size;
/* Initialize system libraries */
caml_init_exceptions();
caml_sys_init(exe_name, argv);
/* Execute the program */
caml_debugger(PROGRAM_START);
res = caml_interprete(caml_start_code, caml_code_size);
if (Is_exception_result(res)) {
caml_exn_bucket = Extract_exception(res);
if (caml_debugger_in_use) {
caml_extern_sp = &caml_exn_bucket; /* The debugger needs the
exception value.*/
caml_debugger(UNCAUGHT_EXC);
}
caml_fatal_uncaught_exception(caml_exn_bucket);
}
}
