2009-05-02 05:04:19 -04:00
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#include "master.hpp"
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2009-05-04 02:46:13 -04:00
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namespace factor
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{
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2009-09-23 14:05:46 -04:00
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factor_vm *vm;
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2009-10-19 03:21:11 -04:00
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std::map<THREADHANDLE, factor_vm*> thread_vms;
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2009-08-17 16:37:04 -04:00
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2009-08-28 16:46:47 -04:00
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void init_globals()
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2009-08-24 15:46:34 -04:00
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{
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2009-08-28 16:46:47 -04:00
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init_platform_globals();
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2009-08-24 15:46:34 -04:00
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::default_parameters(vm_parameters *p)
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2009-05-02 05:04:19 -04:00
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{
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p->image_path = NULL;
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/* We make a wild guess here that if we're running on ARM, we don't
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have a lot of memory. */
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#ifdef FACTOR_ARM
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2009-05-04 05:50:24 -04:00
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p->ds_size = 8 * sizeof(cell);
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p->rs_size = 8 * sizeof(cell);
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2009-05-02 05:04:19 -04:00
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p->code_size = 4;
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p->young_size = 1;
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p->aging_size = 1;
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p->tenured_size = 6;
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#else
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2009-05-04 05:50:24 -04:00
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p->ds_size = 32 * sizeof(cell);
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p->rs_size = 32 * sizeof(cell);
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2009-05-02 05:04:19 -04:00
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2009-05-04 05:50:24 -04:00
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p->code_size = 8 * sizeof(cell);
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p->young_size = sizeof(cell) / 4;
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p->aging_size = sizeof(cell) / 2;
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p->tenured_size = 4 * sizeof(cell);
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2009-05-02 05:04:19 -04:00
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#endif
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p->max_pic_size = 3;
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p->secure_gc = false;
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p->fep = false;
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2009-10-16 12:39:22 -04:00
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p->signals = true;
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2009-05-02 05:04:19 -04:00
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#ifdef WINDOWS
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p->console = false;
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#else
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2009-08-28 15:17:21 -04:00
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if (this == vm)
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p->console = true;
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2009-10-02 13:00:01 -04:00
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else
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2009-08-28 15:17:21 -04:00
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p->console = false;
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2009-05-02 05:04:19 -04:00
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#endif
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2009-10-16 12:39:22 -04:00
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p->callback_size = 256;
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2009-05-02 05:04:19 -04:00
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}
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2009-09-23 14:05:46 -04:00
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bool factor_vm::factor_arg(const vm_char* str, const vm_char* arg, cell* value)
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2009-05-02 05:04:19 -04:00
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{
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int val;
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if(SSCANF(str,arg,&val) > 0)
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{
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*value = val;
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return true;
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}
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else
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return false;
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv)
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2009-05-02 05:04:19 -04:00
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{
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default_parameters(p);
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p->executable_path = argv[0];
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int i = 0;
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for(i = 1; i < argc; i++)
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{
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2009-10-16 12:39:22 -04:00
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vm_char *arg = argv[i];
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2009-10-16 13:13:43 -04:00
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if(STRCMP(arg,STRING_LITERAL("--")) == 0) break;
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2009-10-16 12:39:22 -04:00
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else if(factor_arg(arg,STRING_LITERAL("-datastack=%d"),&p->ds_size));
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else if(factor_arg(arg,STRING_LITERAL("-retainstack=%d"),&p->rs_size));
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else if(factor_arg(arg,STRING_LITERAL("-young=%d"),&p->young_size));
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else if(factor_arg(arg,STRING_LITERAL("-aging=%d"),&p->aging_size));
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else if(factor_arg(arg,STRING_LITERAL("-tenured=%d"),&p->tenured_size));
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else if(factor_arg(arg,STRING_LITERAL("-codeheap=%d"),&p->code_size));
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else if(factor_arg(arg,STRING_LITERAL("-pic=%d"),&p->max_pic_size));
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else if(factor_arg(arg,STRING_LITERAL("-callbacks=%d"),&p->callback_size));
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else if(STRCMP(arg,STRING_LITERAL("-securegc")) == 0) p->secure_gc = true;
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else if(STRCMP(arg,STRING_LITERAL("-fep")) == 0) p->fep = true;
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else if(STRCMP(arg,STRING_LITERAL("-nosignals")) == 0) p->signals = false;
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else if(STRNCMP(arg,STRING_LITERAL("-i="),3) == 0) p->image_path = arg + 3;
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else if(STRCMP(arg,STRING_LITERAL("-console")) == 0) p->console = true;
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2009-05-02 05:04:19 -04:00
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}
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}
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/* Do some initialization that we do once only */
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void factor_vm::do_stage1_init()
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{
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print_string("*** Stage 2 early init... ");
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fflush(stdout);
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compile_all_words();
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2009-10-18 21:26:21 -04:00
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userenv[STAGE2_ENV] = true_object;
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2009-05-02 05:04:19 -04:00
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print_string("done\n");
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fflush(stdout);
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::init_factor(vm_parameters *p)
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2009-05-02 05:04:19 -04:00
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{
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/* Kilobytes */
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p->ds_size = align_page(p->ds_size << 10);
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p->rs_size = align_page(p->rs_size << 10);
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2009-10-16 12:39:22 -04:00
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p->callback_size = align_page(p->callback_size << 10);
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2009-05-02 05:04:19 -04:00
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/* Megabytes */
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p->young_size <<= 20;
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p->aging_size <<= 20;
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p->tenured_size <<= 20;
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p->code_size <<= 20;
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/* Disable GC during init as a sanity check */
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gc_off = true;
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/* OS-specific initialization */
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early_init();
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2009-05-04 05:50:24 -04:00
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const vm_char *executable_path = vm_executable_path();
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2009-05-02 05:04:19 -04:00
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if(executable_path)
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p->executable_path = executable_path;
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if(p->image_path == NULL)
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p->image_path = default_image_path();
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srand(current_micros());
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init_ffi();
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init_stacks(p->ds_size,p->rs_size);
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2009-10-16 12:39:22 -04:00
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init_callbacks(p->callback_size);
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2009-05-02 05:04:19 -04:00
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load_image(p);
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init_c_io();
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init_inline_caching(p->max_pic_size);
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2009-10-16 12:39:22 -04:00
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if(p->signals)
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init_signals();
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2009-05-02 05:04:19 -04:00
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if(p->console)
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open_console();
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init_profiler();
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2009-10-18 21:26:21 -04:00
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userenv[CPU_ENV] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
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userenv[OS_ENV] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
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2009-05-05 11:29:22 -04:00
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userenv[CELL_SIZE_ENV] = tag_fixnum(sizeof(cell));
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2009-10-18 21:26:21 -04:00
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userenv[EXECUTABLE_ENV] = allot_alien(false_object,(cell)p->executable_path);
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userenv[ARGS_ENV] = false_object;
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userenv[EMBEDDED_ENV] = false_object;
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2009-05-02 05:04:19 -04:00
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/* We can GC now */
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gc_off = false;
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2009-10-18 21:26:21 -04:00
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if(!to_boolean(userenv[STAGE2_ENV]))
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2009-05-02 05:04:19 -04:00
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do_stage1_init();
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}
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/* May allocate memory */
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2009-09-23 14:05:46 -04:00
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void factor_vm::pass_args_to_factor(int argc, vm_char **argv)
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2009-05-02 05:04:19 -04:00
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{
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2009-08-17 16:37:09 -04:00
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growable_array args(this);
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2009-05-02 05:04:19 -04:00
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int i;
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2009-08-24 16:10:18 -04:00
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for(i = 1; i < argc; i++){
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2009-10-18 21:26:21 -04:00
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args.add(allot_alien(false_object,(cell)argv[i]));
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2009-08-24 16:10:18 -04:00
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}
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2009-05-02 05:04:19 -04:00
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2009-05-02 10:19:09 -04:00
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args.trim();
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2009-05-04 05:50:24 -04:00
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userenv[ARGS_ENV] = args.elements.value();
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2009-05-02 05:04:19 -04:00
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::start_factor(vm_parameters *p)
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2009-05-02 05:04:19 -04:00
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{
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if(p->fep) factorbug();
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2009-10-16 12:39:22 -04:00
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nest_stacks(NULL);
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2009-05-02 05:04:19 -04:00
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c_to_factor_toplevel(userenv[BOOT_ENV]);
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unnest_stacks();
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}
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2009-09-23 14:05:46 -04:00
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char *factor_vm::factor_eval_string(char *string)
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2009-05-02 05:04:19 -04:00
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{
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char *(*callback)(char *) = (char *(*)(char *))alien_offset(userenv[EVAL_CALLBACK_ENV]);
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return callback(string);
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::factor_eval_free(char *result)
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2009-05-02 05:04:19 -04:00
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{
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free(result);
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::factor_yield()
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2009-05-02 05:04:19 -04:00
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{
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2009-05-05 12:33:35 -04:00
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void (*callback)() = (void (*)())alien_offset(userenv[YIELD_CALLBACK_ENV]);
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2009-05-02 05:04:19 -04:00
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callback();
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}
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2009-09-23 14:05:46 -04:00
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void factor_vm::factor_sleep(long us)
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2009-05-02 05:04:19 -04:00
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{
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void (*callback)(long) = (void (*)(long))alien_offset(userenv[SLEEP_CALLBACK_ENV]);
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callback(us);
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}
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2009-05-04 02:46:13 -04:00
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2009-09-23 14:05:46 -04:00
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void factor_vm::start_standalone_factor(int argc, vm_char **argv)
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2009-08-17 16:37:09 -04:00
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{
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2009-08-24 13:34:30 -04:00
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vm_parameters p;
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default_parameters(&p);
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init_parameters_from_args(&p,argc,argv);
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init_factor(&p);
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pass_args_to_factor(argc,argv);
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start_factor(&p);
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2009-08-17 16:37:09 -04:00
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}
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2009-08-23 09:36:24 -04:00
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struct startargs {
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int argc;
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vm_char **argv;
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};
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2009-10-03 09:47:05 -04:00
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factor_vm *new_factor_vm()
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2009-08-23 09:36:24 -04:00
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{
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2009-10-05 05:31:35 -04:00
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factor_vm *newvm = new factor_vm();
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2009-08-28 16:46:47 -04:00
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register_vm_with_thread(newvm);
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2009-10-02 13:00:01 -04:00
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thread_vms[thread_id()] = newvm;
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return newvm;
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}
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// arg must be new'ed because we're going to delete it!
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void* start_standalone_factor_thread(void *arg)
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{
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factor_vm *newvm = new_factor_vm();
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2009-08-23 09:36:24 -04:00
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startargs *args = (startargs*) arg;
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2009-10-02 13:00:01 -04:00
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int argc = args->argc; vm_char **argv = args->argv;
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delete args;
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2009-10-02 12:02:13 -04:00
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newvm->start_standalone_factor(argc, argv);
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2009-08-23 09:36:24 -04:00
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return 0;
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}
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2009-08-24 13:34:30 -04:00
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VM_C_API void start_standalone_factor(int argc, vm_char **argv)
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{
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2009-10-02 13:00:01 -04:00
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factor_vm *newvm = new_factor_vm();
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2009-08-24 13:34:30 -04:00
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vm = newvm;
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return newvm->start_standalone_factor(argc,argv);
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}
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2009-08-25 03:55:18 -04:00
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VM_C_API THREADHANDLE start_standalone_factor_in_new_thread(int argc, vm_char **argv)
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2009-08-23 09:36:24 -04:00
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{
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2009-10-02 12:02:13 -04:00
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startargs *args = new startargs;
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args->argc = argc; args->argv = argv;
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2009-08-25 01:35:54 -04:00
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return start_thread(start_standalone_factor_thread,args);
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2009-08-23 09:36:24 -04:00
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}
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2009-05-04 02:46:13 -04:00
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}
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