X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Fsave.c;h=450d3a4ce000dc72e16ad0ed459fc05a7018ff2a;hb=79cc569a97e444389350ea3f5b1017374fe16bec;hp=2c527f8f4e32895aac9e1962042a50ac0b9bdefa;hpb=d7f6139a91d7d9b0667a597584ae306d958bb2f4;p=sbcl.git diff --git a/src/runtime/save.c b/src/runtime/save.c index 2c527f8..450d3a4 100644 --- a/src/runtime/save.c +++ b/src/runtime/save.c @@ -9,23 +9,32 @@ * files for more information. */ +#include #include +#include #include #include +#include "sbcl.h" #include "runtime.h" #include "os.h" -#include "sbcl.h" #include "core.h" #include "globals.h" #include "save.h" #include "dynbind.h" #include "lispregs.h" #include "validate.h" +#include "gc-internal.h" +#include "thread.h" -#ifdef GENCGC -#include "gencgc.h" -#endif +#include "genesis/static-symbols.h" +#include "genesis/symbol.h" + +static void +write_lispobj(lispobj obj, FILE *file) +{ + fwrite(&obj, sizeof(lispobj), 1, file); +} static long write_bytes(FILE *file, char *addr, long bytes) @@ -62,101 +71,110 @@ output_space(FILE *file, int id, lispobj *addr, lispobj *end) int words, bytes, data; static char *names[] = {NULL, "dynamic", "static", "read-only"}; - putw(id, file); + write_lispobj(id, file); words = end - addr; - putw(words, file); + write_lispobj(words, file); bytes = words * sizeof(lispobj); - printf("writing %ld(0x%lx) bytes from the %s(%d) space at 0x%08lx\n", - (long)bytes, (long)bytes, names[id], id, (unsigned long)addr); + printf("writing %d bytes from the %s space at 0x%08lx\n", + bytes, names[id], (unsigned long)addr); data = write_bytes(file, (char *)addr, bytes); - putw(data, file); - putw((long)addr / os_vm_page_size, file); - putw((bytes + os_vm_page_size - 1) / os_vm_page_size, file); + write_lispobj(data, file); + write_lispobj((long)addr / os_vm_page_size, file); + write_lispobj((bytes + os_vm_page_size - 1) / os_vm_page_size, file); } boolean save(char *filename, lispobj init_function) { FILE *file; -#if defined WANT_CGC - volatile lispobj*func_ptr = &init_function; - char sbuf[128]; - strcpy(sbuf,filename); - filename=sbuf; - /* Get rid of remnant stuff. This is a MUST so that the memory - * manager can get started correctly when we restart after this - * save. Purify is going to maybe move the args so we need to - * consider them volatile, especially if the gcc optimizer is - * working!! */ - purify(NIL,NIL); - - init_function = *func_ptr; - /* Set dynamic space pointer to base value so we don't write out - * MBs of just cleared heap. */ - if(SymbolValue(X86_CGC_ACTIVE_P) != NIL) { - SetSymbolValue(ALLOCATION_POINTER, DYNAMIC_SPACE_START); - } -#endif - /* Open the file: */ + struct thread *th; + + /* Open the output file. We don't actually need the file yet, but + * the fopen() might fail for some reason, and we want to detect + * that and back out before we do anything irreversible. */ unlink(filename); file = fopen(filename, "w"); - if (file == NULL) { + if (!file) { perror(filename); return 1; } - printf("[undoing binding stack... "); + + /* Smash the enclosing state. (Once we do this, there's no good + * way to go back, which is a sufficient reason that this ends up + * being SAVE-LISP-AND-DIE instead of SAVE-LISP-AND-GO-ON). */ + printf("[undoing binding stack and other enclosing state... "); fflush(stdout); - unbind_to_here((lispobj *)BINDING_STACK_START); - SetSymbolValue(CURRENT_CATCH_BLOCK, 0); - SetSymbolValue(CURRENT_UNWIND_PROTECT_BLOCK, 0); - SetSymbolValue(EVAL_STACK_TOP, 0); + for_each_thread(th) { /* XXX really? */ + unbind_to_here((lispobj *)th->binding_stack_start,th); + SetSymbolValue(CURRENT_CATCH_BLOCK, 0,th); + SetSymbolValue(CURRENT_UNWIND_PROTECT_BLOCK, 0,th); + } printf("done]\n"); -#if defined WANT_CGC && defined X86_CGC_ACTIVE_P - SetSymbolValue(X86_CGC_ACTIVE_P, T); -#endif - printf("[saving current Lisp image into %s:\n", filename); + fflush(stdout); - putw(CORE_MAGIC, file); + /* (Now we can actually start copying ourselves into the output file.) */ - putw(CORE_VERSION, file); - putw(3, file); - putw(SBCL_CORE_VERSION_INTEGER, file); + printf("[saving current Lisp image into %s:\n", filename); + fflush(stdout); - putw(CORE_NDIRECTORY, file); - putw((5*3)+2, file); /* 3 5-word space descriptors, plus code and count */ + write_lispobj(CORE_MAGIC, file); + + write_lispobj(VERSION_CORE_ENTRY_TYPE_CODE, file); + write_lispobj(3, file); + write_lispobj(SBCL_CORE_VERSION_INTEGER, file); + + write_lispobj(BUILD_ID_CORE_ENTRY_TYPE_CODE, file); + write_lispobj(/* (We're writing the word count of the entry here, and the 2 + * term is one word for the leading BUILD_ID_CORE_ENTRY_TYPE_CODE + * word and one word where we store the count itself.) */ + 2 + strlen(build_id), + file); + { + char *p; + for (p = build_id; *p; ++p) + write_lispobj(*p, file); + } - output_space(file, READ_ONLY_SPACE_ID, (lispobj *)READ_ONLY_SPACE_START, - (lispobj *)SymbolValue(READ_ONLY_SPACE_FREE_POINTER)); - output_space(file, STATIC_SPACE_ID, (lispobj *)STATIC_SPACE_START, - (lispobj *)SymbolValue(STATIC_SPACE_FREE_POINTER)); + write_lispobj(NEW_DIRECTORY_CORE_ENTRY_TYPE_CODE, file); + write_lispobj(/* (word count = 3 spaces described by 5 words each, plus the + * entry type code, plus this count itself) */ + (5*3)+2, file); + output_space(file, + READ_ONLY_CORE_SPACE_ID, + (lispobj *)READ_ONLY_SPACE_START, + (lispobj *)SymbolValue(READ_ONLY_SPACE_FREE_POINTER,0)); + output_space(file, + STATIC_CORE_SPACE_ID, + (lispobj *)STATIC_SPACE_START, + (lispobj *)SymbolValue(STATIC_SPACE_FREE_POINTER,0)); #ifdef reg_ALLOC - output_space(file, DYNAMIC_SPACE_ID, (lispobj *)current_dynamic_space, - dynamic_space_free_pointer); + output_space(file, + DYNAMIC_CORE_SPACE_ID, + (lispobj *)current_dynamic_space, + dynamic_space_free_pointer); #else -#ifdef GENCGC - /* Flush the current_region updating the tables. */ - gc_alloc_update_page_tables(0,&boxed_region); - gc_alloc_update_page_tables(1,&unboxed_region); +#ifdef LISP_FEATURE_GENCGC + /* Flush the current_region, updating the tables. */ + gc_alloc_update_all_page_tables(); update_x86_dynamic_space_free_pointer(); #endif - output_space(file, DYNAMIC_SPACE_ID, (lispobj *)DYNAMIC_SPACE_START, - (lispobj *)SymbolValue(ALLOCATION_POINTER)); + output_space(file, + DYNAMIC_CORE_SPACE_ID, + (lispobj *)DYNAMIC_SPACE_START, + (lispobj *)SymbolValue(ALLOCATION_POINTER,0)); #endif - FSHOW((stderr, "/writing init_function=0x%lx\n", (long)init_function)); - FSHOW((stderr, "/(SymbolValue(ALLOCATION_POINTER)=0x%lx\n", - (long)SymbolValue(ALLOCATION_POINTER))); - putw(CORE_INITIAL_FUNCTION, file); - putw(3, file); - putw(init_function, file); + write_lispobj(INITIAL_FUN_CORE_ENTRY_TYPE_CODE, file); + write_lispobj(3, file); + write_lispobj(init_function, file); - putw(CORE_END, file); - fclose(file); + write_lispobj(END_CORE_ENTRY_TYPE_CODE, file); + fclose(file); printf("done]\n"); exit(0);