/* Do some initialization that we do once only */ void do_stage1_init(void) { print_string("*** Stage 2 early init... "); fflush(stdout); CELL words = find_all_words(); REGISTER_ROOT(words); CELL i; CELL length = array_capacity(untag_object(words)); for(i = 0; i < length; i++) { F_WORD *word = untag_word(array_nth(untag_array(words),i)); REGISTER_UNTAGGED(word); default_word_code(word,false); UNREGISTER_UNTAGGED(word); update_word_xt(word); } UNREGISTER_ROOT(words); iterate_code_heap(relocate_code_block); userenv[STAGE2_ENV] = T; print_string("done\n"); fflush(stdout); }
/* Allocates memory */ void update_word_xt(F_WORD *word) { /* If we just enabled the profiler, reset call count */ if(profiling_p) { if(!word->profiling) { REGISTER_UNTAGGED(word); F_COMPILED *profiling = compile_profiling_stub(word); UNREGISTER_UNTAGGED(word); word->profiling = profiling; } word->xt = (XT)(word->profiling + 1); } else word->xt = (XT)(word->code + 1); }
void primitive_fread(void) { FILE* file = unbox_alien(); CELL size = unbox_array_size(); if(size == 0) { dpush(tag_object(allot_string(0,0))); return; } F_BYTE_ARRAY *buf = allot_byte_array(size); for(;;) { int c = fread(buf + 1,1,size,file); if(c <= 0) { if(feof(file)) { dpush(F); break; } else io_error(); } else { if(c != size) { REGISTER_UNTAGGED(buf); F_BYTE_ARRAY *new_buf = allot_byte_array(c); UNREGISTER_UNTAGGED(buf); memcpy(new_buf + 1, buf + 1,c); buf = new_buf; } dpush(tag_object(buf)); break; } } }
void init_factor_from_args(F_CHAR *image, int argc, F_CHAR **argv, bool embedded) { F_PARAMETERS p; default_parameters(&p); if(image) p.image = image; CELL i; posix_argc = argc; posix_argv = safe_malloc(argc * sizeof(F_CHAR*)); posix_argv[0] = safe_strdup(argv[0]); for(i = 1; i < argc; i++) { posix_argv[i] = safe_strdup(argv[i]); if(factor_arg(argv[i],STR_FORMAT("-datastack=%d"),&p.ds_size)); else if(factor_arg(argv[i],STR_FORMAT("-retainstack=%d"),&p.rs_size)); else if(factor_arg(argv[i],STR_FORMAT("-generations=%d"),&p.gen_count)); else if(factor_arg(argv[i],STR_FORMAT("-young=%d"),&p.young_size)); else if(factor_arg(argv[i],STR_FORMAT("-aging=%d"),&p.aging_size)); else if(factor_arg(argv[i],STR_FORMAT("-tenured=%d"),&p.tenured_size)); else if(factor_arg(argv[i],STR_FORMAT("-codeheap=%d"),&p.code_size)); else if(STRCMP(argv[i],STR_FORMAT("-securegc")) == 0) p.secure_gc = true; else if(STRCMP(argv[i],STR_FORMAT("-fep")) == 0) p.fep = true; else if(STRNCMP(argv[i],STR_FORMAT("-i="),3) == 0) p.image = argv[i] + 3; else if(STRCMP(argv[i],STR_FORMAT("-console")) == 0) p.console = true; else if(STRCMP(argv[i],STR_FORMAT("-no-stack-traces")) == 0) p.stack_traces = false; } init_factor(&p); nest_stacks(); F_ARRAY *args = allot_array(ARRAY_TYPE,argc,F); for(i = 1; i < argc; i++) { REGISTER_UNTAGGED(args); CELL arg = tag_object(from_native_string(argv[i])); UNREGISTER_UNTAGGED(args); set_array_nth(args,i,arg); } userenv[ARGS_ENV] = tag_object(args); const F_CHAR *executable_path = vm_executable_path(); if(!executable_path) executable_path = argv[0]; userenv[EXECUTABLE_ENV] = tag_object(from_native_string(executable_path)); userenv[EMBEDDED_ENV] = (embedded ? T : F); if(p.fep) factorbug(); c_to_factor_toplevel(userenv[BOOT_ENV]); unnest_stacks(); for(i = 0; i < argc; i++) free(posix_argv[i]); free(posix_argv); }