-/* memattr.c */
+/* Memory attributes support, for GDB.
+
+ Copyright 2001, 2002 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
#include "defs.h"
#include "command.h"
#include "gdbcmd.h"
#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 */
MEM_WIDTH_UNSPECIFIED,
- false, /* hwbreak */
- false, /* cache */
- false /* verify */
+ 0, /* hwbreak */
+ 0, /* cache */
+ 0 /* verify */
};
static struct mem_region *mem_region_chain = NULL;
create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
const struct mem_attrib *attrib)
{
- struct mem_region *n, *p, *new;
+ struct mem_region *n, *new;
- if (lo > hi)
+ /* lo == hi is a useless empty region */
+ if (lo >= hi && hi != 0)
{
- printf_unfiltered ("invalid memory region\n");
+ printf_unfiltered ("invalid memory region: low >= high\n");
return NULL;
}
while (n)
{
/* overlapping node */
- if ((lo >= n->lo && lo <= n->hi) ||
- (hi >= n->lo && hi <= n->hi))
+ if ((lo >= n->lo && (lo < n->hi || n->hi == 0))
+ || (hi > n->lo && (hi <= n->hi || n->hi == 0))
+ || (lo <= n->lo && (hi >= n->hi || hi == 0)))
{
printf_unfiltered ("overlapping memory region\n");
return NULL;
}
+ n = n->next;
}
new = xmalloc (sizeof (struct mem_region));
new->lo = lo;
new->hi = hi;
new->number = ++mem_number;
- new->status = enabled;
+ new->enabled_p = 1;
new->attrib = *attrib;
/* link in new node */
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)
+ if (addr >= m->lo && (addr < m->hi || m->hi == 0))
return m;
if (addr >= m->hi && lo < m->hi)
#if 0
else if (strcmp (tok, "hwbreak") == 0)
- attrib.hwbreak = true;
+ attrib.hwbreak = 1;
else if (strcmp (tok, "swbreak") == 0)
- attrib.hwbreak = false;
+ attrib.hwbreak = 0;
#endif
else if (strcmp (tok, "cache") == 0)
- attrib.cache = true;
+ attrib.cache = 1;
else if (strcmp (tok, "nocache") == 0)
- attrib.cache = false;
+ attrib.cache = 0;
#if 0
else if (strcmp (tok, "verify") == 0)
- attrib.verify = true;
+ attrib.verify = 1;
else if (strcmp (tok, "noverify") == 0)
- attrib.verify = false;
+ attrib.verify = 0;
#endif
else
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 = local_hex_string_custom ((unsigned long) m->lo, "08l");
+ else
+ tmp = local_hex_string_custom ((unsigned long) m->lo, "016l");
+
+ printf_filtered ("%s ", tmp);
+
+ if (TARGET_ADDR_BIT <= 32)
+ {
+ if (m->hi == 0)
+ tmp = "0x100000000";
+ else
+ tmp = local_hex_string_custom ((unsigned long) m->hi, "08l");
+ }
+ else
+ {
+ if (m->hi == 0)
+ tmp = "0x10000000000000000";
+ else
+ tmp = local_hex_string_custom ((unsigned long) m->hi, "016l");
+ }
+
+ printf_filtered ("%s ", tmp);
/* Print a token for each attribute.
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);
if (p == 0)
{
for (m = mem_region_chain; m; m = m->next)
- m->status = enabled;
+ m->enabled_p = 1;
}
else
while (*p)
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);
if (p == 0)
{
for (m = mem_region_chain; m; m = m->next)
- m->status = disabled;
+ m->enabled_p = 0;
}
else
while (*p)
}
\f
void
-_initialize_mem ()
+_initialize_mem (void)
{
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,
projects / deliverable / binutils-gdb.git / blobdiff