X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fmonitor.c;h=6920df4e47fbe795e868742902abc884ffef5db8;hb=d25e3478acccec70402ff32554669a982be8e281;hp=076d9481703e36ab7986aff491a1a32b57999f7b;hpb=7fb597b585fc715537ea644f7d84440eca217ca1;p=sbcl.git

diff --git a/src/runtime/monitor.c b/src/runtime/monitor.c
index 076d948..6920df4 100644
--- a/src/runtime/monitor.c
+++ b/src/runtime/monitor.c
@@ -188,19 +188,26 @@ kill_cmd(char **ptr)
 static void
 regs_cmd(char **ptr)
 {
-    printf("CSP\t=\t0x%08lx\n", (unsigned long)current_control_stack_pointer);
-    printf("CFP\t=\t0x%08lx\n", (unsigned long)current_control_frame_pointer);
+    struct thread *thread=arch_os_get_current_thread();
+
+    printf("CSP\t=\t0x%08lx   ", (unsigned long)current_control_stack_pointer);
+    printf("CFP\t=\t0x%08lx   ", (unsigned long)current_control_frame_pointer);
 
 #ifdef reg_BSP
     printf("BSP\t=\t0x%08lx\n", (unsigned long)current_binding_stack_pointer);
 #else
     /* printf("BSP\t=\t0x%08lx\n",
            (unsigned long)SymbolValue(BINDING_STACK_POINTER)); */
+    printf("\n");
 #endif
 
 #ifdef LISP_FEATURE_GENCGC
     /* printf("DYNAMIC\t=\t0x%08lx\n", DYNAMIC_SPACE_START); */
 #else
+    printf("STATIC\t=\t0x%08lx   ",
+           (unsigned long)SymbolValue(STATIC_SPACE_FREE_POINTER, thread));
+    printf("RDONLY\t=\t0x%08lx   ",
+           (unsigned long)SymbolValue(READ_ONLY_SPACE_FREE_POINTER, thread));
     printf("DYNAMIC\t=\t0x%08lx\n", (unsigned long)current_dynamic_space);
 #endif
 
@@ -208,20 +215,12 @@ regs_cmd(char **ptr)
     printf("ALLOC\t=\t0x%08lx\n", (unsigned long)dynamic_space_free_pointer);
 #else
     printf("ALLOC\t=\t0x%08lx\n",
-           (unsigned long)SymbolValue(ALLOCATION_POINTER,
-                                      arch_os_get_current_thread()));
+           (unsigned long)SymbolValue(ALLOCATION_POINTER, thread));
 #endif
 
 #ifndef LISP_FEATURE_GENCGC
     printf("TRIGGER\t=\t0x%08lx\n", (unsigned long)current_auto_gc_trigger);
 #endif
-
-#if 0
-    printf("STATIC\t=\t0x%08lx\n",
-           (unsigned long)SymbolValue(STATIC_SPACE_FREE_POINTER));
-    printf("RDONLY\t=\t0x%08lx\n",
-           (unsigned long)SymbolValue(READ_ONLY_SPACE_FREE_POINTER));
-#endif
 }
 
 static void
@@ -303,9 +302,13 @@ quit_cmd(char **ptr)
 
     printf("Really quit? [y] ");
     fflush(stdout);
-    fgets(buf, sizeof(buf), ldb_in);
-    if (buf[0] == 'y' || buf[0] == 'Y' || buf[0] == '\n')
+    if (fgets(buf, sizeof(buf), ldb_in)) {
+        if (buf[0] == 'y' || buf[0] == 'Y' || buf[0] == '\n')
+            exit(1);
+    } else {
+        printf("\nUnable to read response, assuming y.\n");
         exit(1);
+    }
 }
 
 static void
@@ -451,6 +454,10 @@ sub_monitor(void)
     if (!ldb_in) {
 #ifndef LISP_FEATURE_WIN32
         ldb_in = fopen("/dev/tty","r+");
+        if (ldb_in == NULL) {
+            perror("Error opening /dev/tty");
+            ldb_in = stdin;
+        }
 #else
         ldb_in = stdin;
 #endif
@@ -500,7 +507,7 @@ ldb_monitor()
 
     bcopy(curbuf, oldbuf, sizeof(oldbuf));
 
-    printf("LDB monitor\n");
+    printf("Welcome to LDB, a low-level debugger for the Lisp runtime environment.\n");
 
     setjmp(curbuf);