1.0.25.21: handling of potential corruptions

[sbcl.git] / src / runtime / runtime.c

diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c
index 2d0e68d..23c323f 100644 (file)
--- a/src/runtime/runtime.c
+++ b/src/runtime/runtime.c
@@ -70,6 +70,12 @@
 #define SBCL_HOME "/usr/local/lib/sbcl/"
 #endif
 
+#ifdef LISP_FEATURE_HPUX
+extern void *return_from_lisp_stub;
+#include "genesis/closure.h"
+#include "genesis/simple-fun.h"
+#endif
+
 \f
 /* SIGINT handler that invokes the monitor (for when Lisp isn't up to it) */
 static void
@@ -223,6 +229,7 @@ main(int argc, char *argv[], char *envp[])
     /* other command line options */
     boolean noinform = 0;
     boolean end_runtime_options = 0;
+    boolean disable_lossage_handler_p = 0;
 
     lispobj initial_function;
     const char *sbcl_home = getenv("SBCL_HOME");
@@ -269,6 +276,8 @@ main(int argc, char *argv[], char *envp[])
                  * TOPLEVEL-INIT sees the option. */
                 noinform = 1;
                 end_runtime_options = 1;
+                disable_lossage_handler_p = 1;
+                lose_on_corruption_p = 1;
                 break;
             } else if (0 == strcmp(arg, "--noinform")) {
                 noinform = 1;
@@ -302,6 +311,13 @@ main(int argc, char *argv[], char *envp[])
                 dynamic_space_size = strtol(argv[argi++], 0, 0) << 20;
                 if (errno)
                     lose("argument to --dynamic-space-size is not a number");
+#               ifdef MAX_DYNAMIC_SPACE_END
+                if (!((DYNAMIC_SPACE_START <
+                       DYNAMIC_SPACE_START+dynamic_space_size) &&
+                      (DYNAMIC_SPACE_START+dynamic_space_size <=
+                       MAX_DYNAMIC_SPACE_END)))
+                    lose("specified --dynamic-space-size too large");
+#               endif
             } else if (0 == strcmp(arg, "--control-stack-size")) {
                 ++argi;
                 if (argi >= argc)
@@ -309,7 +325,7 @@ main(int argc, char *argv[], char *envp[])
                 errno = 0;
                 thread_control_stack_size = strtol(argv[argi++], 0, 0) << 20;
                 if (errno)
-                    lose("argument to --dynamic-space-size is not a number");
+                    lose("argument to --control-stack-size is not a number");
             } else if (0 == strcmp(arg, "--debug-environment")) {
                 int n = 0;
                 printf("; Commandline arguments:\n");
@@ -324,6 +340,12 @@ main(int argc, char *argv[], char *envp[])
                     ++n;
                 }
                 ++argi;
+            } else if (0 == strcmp(arg, "--disable-ldb")) {
+                disable_lossage_handler_p = 1;
+                ++argi;
+            } else if (0 == strcmp(arg, "--lose-on-corruption")) {
+                lose_on_corruption_p = 1;
+                ++argi;
             } else if (0 == strcmp(arg, "--end-runtime-options")) {
                 end_runtime_options = 1;
                 ++argi;
@@ -413,7 +435,8 @@ main(int argc, char *argv[], char *envp[])
     define_var("nil", NIL, 1);
     define_var("t", T, 1);
 
-    enable_lossage_handler();
+    if (!disable_lossage_handler_p)
+        enable_lossage_handler();
 
     globals_init();
 
@@ -421,6 +444,12 @@ main(int argc, char *argv[], char *envp[])
     if (initial_function == NIL) {
         lose("couldn't find initial function\n");
     }
+#ifdef LISP_FEATURE_HPUX
+    /* -1 = CLOSURE_FUN_OFFSET, 23 = SIMPLE_FUN_CODE_OFFSET, we are
+     * not in LANGUAGE_ASSEMBLY so we cant reach them. */
+    return_from_lisp_stub = (void *) ((char *)*((unsigned long *)
+                 ((char *)initial_function + -1)) + 23);
+#endif
 
     gc_initialize_pointers();