value caml_startup_common(char_os **argv, int pooling)
{
char_os * exe_name, * proc_self_exe;
char tos;
CAML_INIT_DOMAIN_STATE;
/* Determine options */
caml_parse_ocamlrunparam();
#ifdef DEBUG
caml_gc_message (-1, "### OCaml runtime: debug mode ###\n");
#endif
if (caml_params->cleanup_on_exit)
pooling = 1;
if (!caml_startup_aux(pooling))
return Val_unit;
#ifdef WITH_SPACETIME
caml_spacetime_initialize();
#endif
caml_init_ieee_floats();
#if defined(_MSC_VER) && __STDC_SECURE_LIB__ >= 200411L
caml_install_invalid_parameter_handler();
#endif
caml_init_custom_operations();
caml_init_gc ();
if (caml_params->backtrace_enabled_init)
caml_record_backtrace(Val_int(1));
/* Capture 16-byte aligned (ceil) system_stack_high */
Caml_state->system_stack_high =
(char*)((((uintnat)&tos + 16) >> 4) << 4);
init_segments();
caml_init_signals();
#ifdef _WIN32
caml_win32_overflow_detection();
#endif
caml_debugger_init (); /* force debugger.o stub to be linked */
exe_name = argv[0];
if (exe_name == NULL) exe_name = _T("");
proc_self_exe = caml_executable_name();
if (proc_self_exe != NULL)
exe_name = proc_self_exe;
else
exe_name = caml_search_exe_in_path(exe_name);
caml_init_argv(exe_name, argv);
if (sigsetjmp(caml_termination_jmpbuf.buf, 0)) {
if (caml_termination_hook != NULL) caml_termination_hook(NULL);
return Val_unit;
}
caml_init_main_stack();
return caml_start_program(Caml_state->young_ptr);
}
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;
static char proc_self_exe[256];
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_strdup(cds_file);
}
caml_parse_ocamlrunparam();
exe_name = argv[0];
if (caml_executable_name(proc_self_exe, sizeof(proc_self_exe)) == 0)
exe_name = proc_self_exe;
caml_external_raise = NULL;
/* Initialize the abstract machine */
caml_init_gc (caml_init_minor_heap_wsz, caml_init_heap_wsz,
caml_init_heap_chunk_sz, caml_init_percent_free,
caml_init_max_percent_free, caml_init_major_window);
caml_init_stack (caml_init_max_stack_wsz);
caml_init_atom_table();
caml_init_backtrace();
/* 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();
caml_init_debug_info();
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_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);
}
}
CAMLexport void caml_main(char **argv)
{
int fd, pos;
struct exec_trailer trail;
struct channel * chan;
value res;
char * shared_lib_path, * shared_libs, * req_prims;
char * exe_name;
static char proc_self_exe[256];
/* Machine-dependent initialization of the floating-point hardware
so that it behaves as much as possible as specified in IEEE */
caml_init_ieee_floats();
#ifdef _MSC_VER
caml_install_invalid_parameter_handler();
#endif
caml_init_custom_operations();
caml_ext_table_init(&caml_shared_libs_path, 8);
caml_external_raise = NULL;
/* Determine options and position of bytecode file */
#ifdef DEBUG
caml_verb_gc = 0x3F;
#endif
caml_parse_ocamlrunparam();
#ifdef DEBUG
caml_gc_message (-1, "### OCaml runtime: debug mode ###\n", 0);
#endif
pos = 0;
/* First, try argv[0] (when ocamlrun is called by a bytecode program) */
exe_name = argv[0];
fd = caml_attempt_open(&exe_name, &trail, 0);
/* Should we really do that at all? The current executable is ocamlrun
itself, it's never a bytecode program. */
if (fd < 0
&& caml_executable_name(proc_self_exe, sizeof(proc_self_exe)) == 0) {
exe_name = proc_self_exe;
fd = caml_attempt_open(&exe_name, &trail, 0);
}
if (fd < 0) {
pos = parse_command_line(argv);
if (argv[pos] == 0)
caml_fatal_error("No bytecode file specified.\n");
exe_name = argv[pos];
fd = caml_attempt_open(&exe_name, &trail, 1);
switch(fd) {
case FILE_NOT_FOUND:
caml_fatal_error_arg("Fatal error: cannot find file '%s'\n", argv[pos]);
break;
case BAD_BYTECODE:
caml_fatal_error_arg(
"Fatal error: the file '%s' is not a bytecode executable file\n",
exe_name);
break;
}
}
/* Read the table of contents (section descriptors) */
caml_read_section_descriptors(fd, &trail);
/* Initialize the abstract machine */
caml_init_gc (caml_init_minor_heap_wsz, caml_init_heap_wsz,
caml_init_heap_chunk_sz, caml_init_percent_free,
caml_init_max_percent_free, caml_init_major_window);
caml_init_stack (caml_init_max_stack_wsz);
caml_init_atom_table();
caml_init_backtrace();
/* Initialize the interpreter */
caml_interprete(NULL, 0);
/* Initialize the debugger, if needed */
caml_debugger_init();
/* Load the code */
caml_code_size = caml_seek_section(fd, &trail, "CODE");
caml_load_code(fd, caml_code_size);
caml_init_debug_info();
/* Build the table of primitives */
shared_lib_path = read_section(fd, &trail, "DLPT");
shared_libs = read_section(fd, &trail, "DLLS");
req_prims = read_section(fd, &trail, "PRIM");
if (req_prims == NULL) caml_fatal_error("Fatal error: no PRIM section\n");
caml_build_primitive_table(shared_lib_path, shared_libs, req_prims);
caml_stat_free(shared_lib_path);
caml_stat_free(shared_libs);
caml_stat_free(req_prims);
/* Load the globals */
caml_seek_section(fd, &trail, "DATA");
chan = caml_open_descriptor_in(fd);
caml_global_data = caml_input_val(chan);
caml_close_channel(chan); /* this also closes fd */
caml_stat_free(trail.section);
/* Ensure that the globals are in the major heap. */
caml_oldify_one (caml_global_data, &caml_global_data);
caml_oldify_mopup ();
/* Initialize system libraries */
caml_sys_init(exe_name, argv + pos);
#ifdef _WIN32
/* Start a thread to handle signals */
if (getenv("CAMLSIGPIPE"))
_beginthread(caml_signal_thread, 4096, NULL);
#endif
/* 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);
}
}
