0.9.2.42:
[sbcl.git] / src / runtime / monitor.c
index 4037c92..4d2329a 100644 (file)
@@ -18,8 +18,8 @@
 #include <signal.h>
 #include <unistd.h>
 
-#include "runtime.h"
 #include "sbcl.h"
+#include "runtime.h"
 
 /* Almost all of this file can be skipped if we're not supporting LDB. */
 #if defined(LISP_FEATURE_SB_LDB)
 #include "globals.h"
 #include "lispregs.h"
 #include "interrupt.h"
+#include "thread.h"
+#include "genesis/static-symbols.h"
+#include "genesis/primitive-objects.h"
+
+
 
 /* When we need to do command input, we use this stream, which is not
  * in general stdin, so that things will "work" (as well as being
@@ -41,7 +46,7 @@
  *
  * (We could set up output to go to a special ldb_out stream for the
  * same reason, but there's been no pressure for that so far.)
- * 
+ *
  * The enter-the-ldb-monitor function is responsible for setting up
  * this stream. */
 static FILE *ldb_in = 0;
@@ -49,7 +54,7 @@ static int ldb_in_fd = -1;
 
 typedef void cmd(char **ptr);
 
-static cmd call_cmd, dump_cmd, print_cmd, quit_cmd, help_cmd;
+static cmd dump_cmd, print_cmd, quit_cmd, help_cmd;
 static cmd flush_cmd, search_cmd, regs_cmd, exit_cmd;
 static cmd print_context_cmd;
 static cmd backtrace_cmd, purify_cmd, catchers_cmd;
@@ -63,7 +68,6 @@ static struct cmd {
     {"help", "Display this help information.", help_cmd},
     {"?", "(an alias for help)", help_cmd},
     {"backtrace", "Backtrace up to N frames.", backtrace_cmd},
-    {"call", "Call FUNCTION with ARG1, ARG2, ...", call_cmd},
     {"catchers", "Print a list of all the active catchers.", catchers_cmd},
     {"context", "Print interrupt context number I.", print_context_cmd},
     {"dump", "Dump memory starting at ADDRESS for COUNT words.", dump_cmd},
@@ -128,13 +132,13 @@ dump_cmd(char **ptr)
     }
 
     while (count-- > 0) {
-#ifndef alpha
+#ifndef LISP_FEATURE_ALPHA
         printf("0x%08lX: ", (unsigned long) addr);
 #else
         printf("0x%08X: ", (u32) addr);
 #endif
         if (is_valid_lisp_addr((os_vm_address_t)addr)) {
-#ifndef alpha
+#ifndef LISP_FEATURE_ALPHA
             unsigned long *lptr = (unsigned long *)addr;
 #else
             u32 *lptr = (u32 *)addr;
@@ -172,33 +176,29 @@ regs_cmd(char **ptr)
 {
     printf("CSP\t=\t0x%08lX\n", (unsigned long)current_control_stack_pointer);
     printf("FP\t=\t0x%08lX\n", (unsigned long)current_control_frame_pointer);
-#if !defined(__i386__)
+#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
     printf("BSP\t=\t0x%08X\n", (unsigned long)current_binding_stack_pointer);
 #endif
-#ifdef __i386__
+#if 0
+#if (defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
     printf("BSP\t=\t0x%08lx\n",
-          (unsigned long)SymbolValue(BINDING_STACK_POINTER));
+           (unsigned long)SymbolValue(BINDING_STACK_POINTER));
 #endif
 
     printf("DYNAMIC\t=\t0x%08lx\n", (unsigned long)DYNAMIC_SPACE_START);
-#if defined(__i386__)
+#if (defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
     printf("ALLOC\t=\t0x%08lx\n",
-          (unsigned long)SymbolValue(ALLOCATION_POINTER));
-    printf("TRIGGER\t=\t0x%08lx\n",
-          (unsigned long)SymbolValue(INTERNAL_GC_TRIGGER));
+           (unsigned long)SymbolValue(ALLOCATION_POINTER));
 #else
     printf("ALLOC\t=\t0x%08X\n",
-          (unsigned long)dynamic_space_free_pointer);
+           (unsigned long)dynamic_space_free_pointer);
     printf("TRIGGER\t=\t0x%08lx\n", (unsigned long)current_auto_gc_trigger);
 #endif
     printf("STATIC\t=\t0x%08lx\n",
-          (unsigned long)SymbolValue(STATIC_SPACE_FREE_POINTER));
+           (unsigned long)SymbolValue(STATIC_SPACE_FREE_POINTER));
     printf("RDONLY\t=\t0x%08lx\n",
-          (unsigned long)SymbolValue(READ_ONLY_SPACE_FREE_POINTER));
-
-#ifdef MIPS
-    printf("FLAGS\t=\t0x%08x\n", current_flags_register);
-#endif
+           (unsigned long)SymbolValue(READ_ONLY_SPACE_FREE_POINTER));
+#endif /* 0 */
 }
 
 static void
@@ -252,87 +252,20 @@ search_cmd(char **ptr)
         if (widetag_of(obj) == SIMPLE_FUN_HEADER_WIDETAG) {
             print((long)addr | FUN_POINTER_LOWTAG);
         } else if (lowtag_of(obj) == OTHER_IMMEDIATE_0_LOWTAG ||
-                  lowtag_of(obj) == OTHER_IMMEDIATE_1_LOWTAG) {
+                   lowtag_of(obj) == OTHER_IMMEDIATE_1_LOWTAG) {
             print((lispobj)addr | OTHER_POINTER_LOWTAG);
         } else {
             print((lispobj)addr);
         } if (count == -1) {
             return;
-       }
+        }
     }
 }
 
-static void
-call_cmd(char **ptr)
-{
-    lispobj thing = parse_lispobj(ptr), function, result = 0, cons, args[3];
-    int numargs;
-
-    if (lowtag_of(thing) == OTHER_POINTER_LOWTAG) {
-       switch (widetag_of(*(lispobj *)(thing-OTHER_POINTER_LOWTAG))) {
-         case SYMBOL_HEADER_WIDETAG:
-           for (cons = SymbolValue(INITIAL_FDEFN_OBJECTS);
-                cons != NIL;
-                cons = CONS(cons)->cdr) {
-               if (FDEFN(CONS(cons)->car)->name == thing) {
-                   thing = CONS(cons)->car;
-                   goto fdefn;
-               }
-           }
-           printf("Symbol 0x%08lx is undefined.\n", (long unsigned)thing);
-           return;
-
-         case FDEFN_WIDETAG:
-         fdefn:
-           function = FDEFN(thing)->fun;
-           if (function == NIL) {
-               printf("Fdefn 0x%08lx is undefined.\n", (long unsigned)thing);
-               return;
-           }
-           break;
-         default:
-           printf("0x%08lx is not a function pointer, symbol, "
-                  "or fdefn object.\n",
-                  (long unsigned)thing);
-           return;
-       }
-    }
-    else if (lowtag_of(thing) != FUN_POINTER_LOWTAG) {
-        printf("0x%08lx is not a function pointer, symbol, or fdefn object.\n",
-              (long unsigned)thing);
-        return;
-    }
-    else
-       function = thing;
-
-    numargs = 0;
-    while (more_p(ptr)) {
-       if (numargs >= 3) {
-           printf("too many arguments (no more than 3 supported)\n");
-           return;
-       }
-       args[numargs++] = parse_lispobj(ptr);
-    }
-
-    switch (numargs) {
-    case 0:
-       result = funcall0(function);
-       break;
-    case 1:
-       result = funcall1(function, args[0]);
-       break;
-    case 2:
-       result = funcall2(function, args[0], args[1]);
-       break;
-    case 3:
-       result = funcall3(function, args[0], args[1], args[2]);
-       break;
-    default:
-       lose("unsupported arg count made it past validity check?!");
-    }
-
-    print(result);
-}
+/* (There used to be call_cmd() here, to call known-at-cold-init-time
+ * Lisp functions from ldb, but it bitrotted and was deleted in
+ * sbcl-0.7.5.1. See older CVS versions if you want to resuscitate
+ * it.) */
 
 static void
 flush_cmd(char **ptr)
@@ -349,7 +282,7 @@ quit_cmd(char **ptr)
     fflush(stdout);
     fgets(buf, sizeof(buf), ldb_in);
     if (buf[0] == 'y' || buf[0] == 'Y' || buf[0] == '\n')
-        exit(0);
+        exit(1);
 }
 
 static void
@@ -379,50 +312,55 @@ purify_cmd(char **ptr)
 static void
 print_context(os_context_t *context)
 {
-       int i;
+    int i;
 
-       for (i = 0; i < NREGS; i++) {
-               printf("%s:\t", lisp_register_names[i]);
-#ifdef __i386__
-               brief_print((lispobj)(*os_context_register_addr(context,
-                                                               i*2)));
+    for (i = 0; i < NREGS; i++) {
+        printf("%s:\t", lisp_register_names[i]);
+#ifdef LISP_FEATURE_X86
+        brief_print((lispobj)(*os_context_register_addr(context,
+                                                        i*2)));
 #else
-               brief_print((lispobj)(*os_context_register_addr(context,i)));
+        brief_print((lispobj)(*os_context_register_addr(context,i)));
+#endif
+    }
+#ifdef LISP_FEATURE_DARWIN
+    printf("DAR:\t\t 0x%08lx\n", (unsigned long)(*os_context_register_addr(context, 41)));
+    printf("DSISR:\t\t 0x%08lx\n", (unsigned long)(*os_context_register_addr(context, 42)));
 #endif
-       }
-       printf("PC:\t\t  0x%08lx\n",
-              (unsigned long)(*os_context_pc_addr(context)));
+    printf("PC:\t\t  0x%08lx\n",
+           (unsigned long)(*os_context_pc_addr(context)));
 }
 
 static void
 print_context_cmd(char **ptr)
 {
-       int free;
+    int free;
+    struct thread *thread=arch_os_get_current_thread();
 
-       free = SymbolValue(FREE_INTERRUPT_CONTEXT_INDEX)>>2;
-       
-        if (more_p(ptr)) {
-               int index;
-
-               index = parse_number(ptr);
-
-               if ((index >= 0) && (index < free)) {
-                       printf("There are %d interrupt contexts.\n", free);
-                       printf("printing context %d\n", index);
-                       print_context(lisp_interrupt_contexts[index]);
-               } else {
-                       printf("There aren't that many/few contexts.\n");
-                       printf("There are %d interrupt contexts.\n", free);
-               }
-       } else {
-               if (free == 0)
-                       printf("There are no interrupt contexts!\n");
-               else {
-                       printf("There are %d interrupt contexts.\n", free);
-                       printf("printing context %d\n", free - 1);
-                       print_context(lisp_interrupt_contexts[free - 1]);
-               }
-       }
+    free = SymbolValue(FREE_INTERRUPT_CONTEXT_INDEX,thread)>>2;
+
+    if (more_p(ptr)) {
+        int index;
+
+        index = parse_number(ptr);
+
+        if ((index >= 0) && (index < free)) {
+            printf("There are %d interrupt contexts.\n", free);
+            printf("printing context %d\n", index);
+            print_context(thread->interrupt_contexts[index]);
+        } else {
+            printf("There aren't that many/few contexts.\n");
+            printf("There are %d interrupt contexts.\n", free);
+        }
+    } else {
+        if (free == 0)
+            printf("There are no interrupt contexts!\n");
+        else {
+            printf("There are %d interrupt contexts.\n", free);
+            printf("printing context %d\n", free - 1);
+            print_context(thread->interrupt_contexts[free - 1]);
+        }
+    }
 }
 
 static void
@@ -432,9 +370,9 @@ backtrace_cmd(char **ptr)
     int n;
 
     if (more_p(ptr))
-       n = parse_number(ptr);
+        n = parse_number(ptr);
     else
-       n = 100;
+        n = 100;
 
     printf("Backtrace:\n");
     backtrace(n);
@@ -444,26 +382,27 @@ static void
 catchers_cmd(char **ptr)
 {
     struct catch_block *catch;
+    struct thread *thread=arch_os_get_current_thread();
 
-    catch = (struct catch_block *)SymbolValue(CURRENT_CATCH_BLOCK);
+    catch = (struct catch_block *)SymbolValue(CURRENT_CATCH_BLOCK,thread);
 
     if (catch == NULL)
         printf("There are no active catchers!\n");
     else {
         while (catch != NULL) {
-#ifndef __i386__
+#if !(defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64))
             printf("0x%08lX:\n\tuwp: 0x%08lX\n\tfp: 0x%08lX\n\tcode: 0x%08lx\n\tentry: 0x%08lx\n\ttag: ",
-                  (unsigned long)catch, (unsigned long)(catch->current_uwp),
-                  (unsigned long)(catch->current_cont),
-                  catch->current_code,
-                  catch->entry_pc);
+                   (unsigned long)catch, (unsigned long)(catch->current_uwp),
+                   (unsigned long)(catch->current_cont),
+                   catch->current_code,
+                   catch->entry_pc);
 #else
             printf("0x%08lX:\n\tuwp: 0x%08lX\n\tfp: 0x%08lX\n\tcode: 0x%08lx\n\tentry: 0x%08lx\n\ttag: ",
-                  (unsigned long)catch, (unsigned long)(catch->current_uwp),
-                  (unsigned long)(catch->current_cont),
-                  (unsigned long)component_ptr_from_pc((void*)catch->entry_pc) +
-                  OTHER_POINTER_LOWTAG,
-                  (unsigned long)catch->entry_pc);
+                   (unsigned long)catch, (unsigned long)(catch->current_uwp),
+                   (unsigned long)(catch->current_cont),
+                   (unsigned long)component_ptr_from_pc((void*)catch->entry_pc) +
+                   OTHER_POINTER_LOWTAG,
+                   (unsigned long)catch->entry_pc);
 #endif
             brief_print((lispobj)catch->tag);
             catch = catch->previous_catch;
@@ -489,8 +428,8 @@ sub_monitor(void)
     int ambig;
 
     if (!ldb_in) {
-       ldb_in = fopen("/dev/tty","r+");
-       ldb_in_fd = fileno(ldb_in);
+        ldb_in = fopen("/dev/tty","r+");
+        ldb_in_fd = fileno(ldb_in);
     }
 
     while (!done) {
@@ -498,15 +437,15 @@ sub_monitor(void)
         fflush(stdout);
         line = fgets(buf, sizeof(buf), ldb_in);
         if (line == NULL) {
-           if (isatty(ldb_in_fd)) {
-               putchar('\n');
-               continue;
-           }
-           else {
-               fprintf(stderr, "\nEOF on something other than a tty.\n");
-               exit(0);
-           }
-       }
+            if (isatty(ldb_in_fd)) {
+                putchar('\n');
+                continue;
+            }
+            else {
+                fprintf(stderr, "\nEOF on something other than a tty.\n");
+                exit(0);
+            }
+        }
         ptr = line;
         if ((token = parse_token(&ptr)) == NULL)
             continue;
@@ -569,7 +508,11 @@ monitor_or_something()
 #if defined(LISP_FEATURE_SB_LDB)
     ldb_monitor();
 #else
-    fprintf(stderr, "There's no LDB in this build; exiting.\n");
+     fprintf(stderr,
+"The system is too badly corrupted or confused to continue at the Lisp\n\
+level. If the system had been compiled with the SB-LDB feature, we'd drop\n\
+into the LDB low-level debugger now. But there's no LDB in this build, so\n\
+we can't really do anything but just exit, sorry.\n");
     exit(1);
 #endif
 }