X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fsave.c;h=1c50cca5dd66eadb0b3e2e6c6c35fe16950b64c5;hb=94ac5b7c3ff37850210b6fc9a7593cf1c5752993;hp=d297eb965439c4f40111acd4ffe7ca80f65f2571;hpb=d0583fb59b0d5e243c9141d649b82bac577f5aa9;p=sbcl.git

diff --git a/src/runtime/save.c b/src/runtime/save.c
index d297eb9..1c50cca 100644
--- a/src/runtime/save.c
+++ b/src/runtime/save.c
@@ -9,10 +9,7 @@
  * files for more information.
  */
 
-/*
- * $Header$
- */
-
+#include <stdlib.h>
 #include <stdio.h>
 #include <signal.h>
 #include <sys/file.h>
@@ -36,12 +33,12 @@ write_bytes(FILE *file, char *addr, long bytes)
 {
     long count, here, data;
 
-    bytes = (bytes+CORE_PAGESIZE-1)&~(CORE_PAGESIZE-1);
+    bytes = (bytes+os_vm_page_size-1)&~(os_vm_page_size-1);
 
     fflush(file);
     here = ftell(file);
     fseek(file, 0, 2);
-    data = (ftell(file)+CORE_PAGESIZE-1)&~(CORE_PAGESIZE-1);
+    data = (ftell(file)+os_vm_page_size-1)&~(os_vm_page_size-1);
     fseek(file, data, 0);
 
     while (bytes > 0) {
@@ -57,7 +54,7 @@ write_bytes(FILE *file, char *addr, long bytes)
     }
     fflush(file);
     fseek(file, here, 0);
-    return data/CORE_PAGESIZE - 1;
+    return data/os_vm_page_size - 1;
 }
 
 static void
@@ -78,87 +75,84 @@ output_space(FILE *file, int id, lispobj *addr, lispobj *end)
     data = write_bytes(file, (char *)addr, bytes);
 
     putw(data, file);
-    putw((long)addr / CORE_PAGESIZE, file);
-    putw((bytes + CORE_PAGESIZE - 1) / CORE_PAGESIZE, file);
+    putw((long)addr / os_vm_page_size, file);
+    putw((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: */
+
+    /* 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);
     printf("done]\n");
-#if defined WANT_CGC && defined X86_CGC_ACTIVE_P
-    SetSymbolValue(X86_CGC_ACTIVE_P, T);
-#endif
+    fflush(stdout);
+    
+    /* (Now we can actually start copying ourselves into the
+     * output file.) */
+
     printf("[saving current Lisp image into %s:\n", filename);
+    fflush(stdout);
 
     putw(CORE_MAGIC, file);
 
-    putw(CORE_VERSION, file);
+    putw(VERSION_CORE_ENTRY_TYPE_CODE, file);
     putw(3, file);
     putw(SBCL_CORE_VERSION_INTEGER, file);
 
-    putw(CORE_NDIRECTORY, file);
+    putw(NEW_DIRECTORY_CORE_ENTRY_TYPE_CODE, file);
     putw((5*3)+2, file);
 
-    output_space(file, READ_ONLY_SPACE_ID, (lispobj *)READ_ONLY_SPACE_START,
+    output_space(file,
+		 READ_ONLY_CORE_SPACE_ID,
+		 (lispobj *)READ_ONLY_SPACE_START,
 		 (lispobj *)SymbolValue(READ_ONLY_SPACE_FREE_POINTER));
-    output_space(file, STATIC_SPACE_ID, (lispobj *)STATIC_SPACE_START,
+    output_space(file,
+		 STATIC_CORE_SPACE_ID,
+		 (lispobj *)STATIC_SPACE_START,
 		 (lispobj *)SymbolValue(STATIC_SPACE_FREE_POINTER));
 #ifdef reg_ALLOC
-    output_space(file, DYNAMIC_SPACE_ID, (lispobj *)DYNAMIC_SPACE_START,
+    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. */
+    /* Flush the current_region, updating the tables. */
     gc_alloc_update_page_tables(0,&boxed_region);
     gc_alloc_update_page_tables(1,&unboxed_region);
     update_x86_dynamic_space_free_pointer();
 #endif
-    output_space(file, DYNAMIC_SPACE_ID, DYNAMIC_SPACE_START,
+    output_space(file,
+		 DYNAMIC_CORE_SPACE_ID,
+		 (lispobj *)DYNAMIC_SPACE_START,
 		 (lispobj *)SymbolValue(ALLOCATION_POINTER));
 #endif
 
-    putw(CORE_INITIAL_FUNCTION, file);
+    putw(INITIAL_FUN_CORE_ENTRY_TYPE_CODE, file);
     putw(3, file);
     putw(init_function, file);
 
-    putw(CORE_END, file);
-    fclose(file);
+    putw(END_CORE_ENTRY_TYPE_CODE, file);
 
+    fclose(file);
     printf("done]\n");
 
     exit(0);