* solib-svr4.c (svr4_truncate_ptr): New function.

[deliverable/binutils-gdb.git] / gdb / memattr.c

diff --git a/gdb/memattr.c b/gdb/memattr.c
index 8e934e7a2b6d81376c0e2d732d6af82621339f82..e8eb56a458b17f91b70337b94b62b1cd19a3fd02 100644 (file)
--- a/gdb/memattr.c
+++ b/gdb/memattr.c
@@ -27,16 +27,6 @@
 #include "language.h"
 #include "gdb_string.h"
 
-/* FIXME: While this conflicts with the enum defined in breakpoint.h,
-   I used them to be consistant with how breakpoints, tracepoints, and
-   displays are implemented.  It doesn't lose now because breakpoint.h
-   is not included.  */
-enum enable
-{
-  disabled,
-  enabled
-};
-
 const struct mem_attrib default_mem_attrib =
 {
   MEM_RW,                      /* mode */
@@ -78,7 +68,7 @@ create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
   new->lo = lo;
   new->hi = hi;
   new->number = ++mem_number;
-  new->status = enabled;
+  new->enabled_p = 1;
   new->attrib = *attrib;
 
   /* link in new node */
@@ -117,7 +107,7 @@ lookup_mem_region (CORE_ADDR addr)
 
   for (m = mem_region_chain; m; m = m->next)
     {
-      if (m->status == enabled)
+      if (m->enabled_p == 1)
        {
          if (addr >= m->lo && addr < m->hi)
            return m;
@@ -229,16 +219,36 @@ mem_info_command (char *args, int from_tty)
       return;
     }
 
-  printf_filtered ("Memory regions now in effect:\n");
+  printf_filtered ("Num ");
+  printf_filtered ("Enb ");
+  printf_filtered ("Low Addr   ");
+  if (TARGET_ADDR_BIT > 32)
+    printf_filtered ("        ");
+  printf_filtered ("High Addr  ");
+  if (TARGET_ADDR_BIT > 32)
+    printf_filtered ("        ");
+  printf_filtered ("Attrs ");
+  printf_filtered ("\n");
+
   for (m = mem_region_chain; m; m = m->next)
     {
-      printf_filtered ("%d: %c\t",
+      char *tmp;
+      printf_filtered ("%-3d %-3c\t",
                       m->number,
-                      m->status ? 'y' : 'n');
-      printf_filtered ("%s - ",
-                   local_hex_string_custom ((unsigned long) m->lo, "08l"));
-      printf_filtered ("%s\t",
-                   local_hex_string_custom ((unsigned long) m->hi, "08l"));
+                      m->enabled_p ? 'y' : 'n');
+      if (TARGET_ADDR_BIT <= 32)
+       tmp = longest_local_hex_string_custom ((unsigned long) m->lo, "08l");
+      else
+       tmp = longest_local_hex_string_custom ((unsigned long) m->lo, "016l");
+      
+      printf_filtered ("%s ", tmp);
+      
+      if (TARGET_ADDR_BIT <= 32)
+       tmp = longest_local_hex_string_custom ((unsigned long) m->hi, "08l");
+      else
+       tmp = longest_local_hex_string_custom ((unsigned long) m->hi, "016l");
+      
+      printf_filtered ("%s ", tmp);
 
       /* Print a token for each attribute.
 
@@ -320,7 +330,7 @@ mem_enable (int num)
   for (m = mem_region_chain; m; m = m->next)
     if (m->number == num)
       {
-       m->status = enabled;
+       m->enabled_p = 1;
        return;
       }
   printf_unfiltered ("No memory region number %d.\n", num);
@@ -339,7 +349,7 @@ mem_enable_command (char *args, int from_tty)
   if (p == 0)
     {
       for (m = mem_region_chain; m; m = m->next)
-       m->status = enabled;
+       m->enabled_p = 1;
     }
   else
     while (*p)
@@ -370,7 +380,7 @@ mem_disable (int num)
   for (m = mem_region_chain; m; m = m->next)
     if (m->number == num)
       {
-       m->status = disabled;
+       m->enabled_p = 0;
        return;
       }
   printf_unfiltered ("No memory region number %d.\n", num);
@@ -389,7 +399,7 @@ mem_disable_command (char *args, int from_tty)
   if (p == 0)
     {
       for (m = mem_region_chain; m; m = m->next)
-       m->status = disabled;
+       m->enabled_p = 0;
     }
   else
     while (*p)
@@ -495,21 +505,28 @@ void
 _initialize_mem ()
 {
   add_com ("mem", class_vars, mem_command,
-          "Define attributes for memory region.");
+          "Define attributes for memory region.\n\
+Usage: mem <lo addr> <hi addr> [<mode> <width> <cache>], \n\
+where <mode>  may be rw (read/write), ro (read-only) or wo (write-only), \n\
+      <width> may be 8, 16, 32, or 64, and \n\
+      <cache> may be cache or nocache");
 
   add_cmd ("mem", class_vars, mem_enable_command,
           "Enable memory region.\n\
 Arguments are the code numbers of the memory regions to enable.\n\
+Usage: enable mem <code number>\n\
 Do \"info mem\" to see current list of code numbers.", &enablelist);
 
   add_cmd ("mem", class_vars, mem_disable_command,
           "Disable memory region.\n\
 Arguments are the code numbers of the memory regions to disable.\n\
+Usage: disable mem <code number>\n\
 Do \"info mem\" to see current list of code numbers.", &disablelist);
 
   add_cmd ("mem", class_vars, mem_delete_command,
           "Delete memory region.\n\
 Arguments are the code numbers of the memory regions to delete.\n\
+Usage: delete mem <code number>\n\
 Do \"info mem\" to see current list of code numbers.", &deletelist);
 
   add_info ("mem", mem_info_command,