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-rw-r--r--gdb/memattr.c534
1 files changed, 0 insertions, 534 deletions
diff --git a/gdb/memattr.c b/gdb/memattr.c
deleted file mode 100644
index e8eb56a458b..00000000000
--- a/gdb/memattr.c
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@@ -1,534 +0,0 @@
-/* Memory attributes support, for GDB.
- Copyright 2001 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 "memattr.h"
-#include "target.h"
-#include "value.h"
-#include "language.h"
-#include "gdb_string.h"
-
-const struct mem_attrib default_mem_attrib =
-{
- MEM_RW, /* mode */
- MEM_WIDTH_UNSPECIFIED,
- false, /* hwbreak */
- false, /* cache */
- false /* verify */
-};
-
-static struct mem_region *mem_region_chain = NULL;
-static int mem_number = 0;
-
-static struct mem_region *
-create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
- const struct mem_attrib *attrib)
-{
- struct mem_region *n, *new;
-
- if (lo > hi)
- {
- printf_unfiltered ("invalid memory region\n");
- return NULL;
- }
-
- n = mem_region_chain;
- while (n)
- {
- /* overlapping node */
- if ((lo >= n->lo && lo <= n->hi) ||
- (hi >= n->lo && hi <= n->hi))
- {
- 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->enabled_p = 1;
- new->attrib = *attrib;
-
- /* link in new node */
- new->next = mem_region_chain;
- mem_region_chain = new;
-
- return new;
-}
-
-static void
-delete_mem_region (struct mem_region *m)
-{
- xfree (m);
-}
-
-/*
- * Look up the memory region cooresponding to ADDR.
- */
-struct mem_region *
-lookup_mem_region (CORE_ADDR addr)
-{
- static struct mem_region region;
- struct mem_region *m;
- CORE_ADDR lo;
- CORE_ADDR hi;
-
- /* First we initialize LO and HI so that they describe the entire
- memory space. As we process the memory region chain, they are
- redefined to describe the minimal region containing ADDR. LO
- and HI are used in the case where no memory region is defined
- that contains ADDR. If a memory region is disabled, it is
- treated as if it does not exist. */
-
- lo = (CORE_ADDR) 0;
- hi = (CORE_ADDR) ~ 0;
-
- for (m = mem_region_chain; m; m = m->next)
- {
- if (m->enabled_p == 1)
- {
- if (addr >= m->lo && addr < m->hi)
- return m;
-
- if (addr >= m->hi && lo < m->hi)
- lo = m->hi;
-
- if (addr <= m->lo && hi > m->lo)
- hi = m->lo;
- }
- }
-
- /* Because no region was found, we must cons up one based on what
- was learned above. */
- region.lo = lo;
- region.hi = hi;
- region.attrib = default_mem_attrib;
- return &region;
-}
-
-
-static void
-mem_command (char *args, int from_tty)
-{
- CORE_ADDR lo, hi;
- char *tok;
- struct mem_attrib attrib;
-
- if (!args)
- error_no_arg ("No mem");
-
- tok = strtok (args, " \t");
- if (!tok)
- error ("no lo address");
- lo = parse_and_eval_address (tok);
-
- tok = strtok (NULL, " \t");
- if (!tok)
- error ("no hi address");
- hi = parse_and_eval_address (tok);
-
- attrib = default_mem_attrib;
- while ((tok = strtok (NULL, " \t")) != NULL)
- {
- if (strcmp (tok, "rw") == 0)
- attrib.mode = MEM_RW;
- else if (strcmp (tok, "ro") == 0)
- attrib.mode = MEM_RO;
- else if (strcmp (tok, "wo") == 0)
- attrib.mode = MEM_WO;
-
- else if (strcmp (tok, "8") == 0)
- attrib.width = MEM_WIDTH_8;
- else if (strcmp (tok, "16") == 0)
- {
- if ((lo % 2 != 0) || (hi % 2 != 0))
- error ("region bounds not 16 bit aligned");
- attrib.width = MEM_WIDTH_16;
- }
- else if (strcmp (tok, "32") == 0)
- {
- if ((lo % 4 != 0) || (hi % 4 != 0))
- error ("region bounds not 32 bit aligned");
- attrib.width = MEM_WIDTH_32;
- }
- else if (strcmp (tok, "64") == 0)
- {
- if ((lo % 8 != 0) || (hi % 8 != 0))
- error ("region bounds not 64 bit aligned");
- attrib.width = MEM_WIDTH_64;
- }
-
-#if 0
- else if (strcmp (tok, "hwbreak") == 0)
- attrib.hwbreak = true;
- else if (strcmp (tok, "swbreak") == 0)
- attrib.hwbreak = false;
-#endif
-
- else if (strcmp (tok, "cache") == 0)
- attrib.cache = true;
- else if (strcmp (tok, "nocache") == 0)
- attrib.cache = false;
-
-#if 0
- else if (strcmp (tok, "verify") == 0)
- attrib.verify = true;
- else if (strcmp (tok, "noverify") == 0)
- attrib.verify = false;
-#endif
-
- else
- error ("unknown attribute: %s", tok);
- }
-
- create_mem_region (lo, hi, &attrib);
-}
-
-
-static void
-mem_info_command (char *args, int from_tty)
-{
- struct mem_region *m;
- struct mem_attrib *attrib;
-
- if (!mem_region_chain)
- {
- printf_unfiltered ("There are no memory regions defined.\n");
- return;
- }
-
- 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)
- {
- char *tmp;
- printf_filtered ("%-3d %-3c\t",
- m->number,
- 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.
-
- * FIXME: Should we output a comma after each token? It may
- * make it easier for users to read, but we'd lose the ability
- * to cut-and-paste the list of attributes when defining a new
- * region. Perhaps that is not important.
- *
- * FIXME: If more attributes are added to GDB, the output may
- * become cluttered and difficult for users to read. At that
- * time, we may want to consider printing tokens only if they
- * are different from the default attribute. */
-
- attrib = &m->attrib;
- switch (attrib->mode)
- {
- case MEM_RW:
- printf_filtered ("rw ");
- break;
- case MEM_RO:
- printf_filtered ("ro ");
- break;
- case MEM_WO:
- printf_filtered ("wo ");
- break;
- }
-
- switch (attrib->width)
- {
- case MEM_WIDTH_8:
- printf_filtered ("8 ");
- break;
- case MEM_WIDTH_16:
- printf_filtered ("16 ");
- break;
- case MEM_WIDTH_32:
- printf_filtered ("32 ");
- break;
- case MEM_WIDTH_64:
- printf_filtered ("64 ");
- break;
- case MEM_WIDTH_UNSPECIFIED:
- break;
- }
-
-#if 0
- if (attrib->hwbreak)
- printf_filtered ("hwbreak");
- else
- printf_filtered ("swbreak");
-#endif
-
- if (attrib->cache)
- printf_filtered ("cache ");
- else
- printf_filtered ("nocache ");
-
-#if 0
- if (attrib->verify)
- printf_filtered ("verify ");
- else
- printf_filtered ("noverify ");
-#endif
-
- printf_filtered ("\n");
-
- gdb_flush (gdb_stdout);
- }
-}
-
-
-/* Enable the memory region number NUM. */
-
-static void
-mem_enable (int num)
-{
- struct mem_region *m;
-
- for (m = mem_region_chain; m; m = m->next)
- if (m->number == num)
- {
- m->enabled_p = 1;
- return;
- }
- printf_unfiltered ("No memory region number %d.\n", num);
-}
-
-static void
-mem_enable_command (char *args, int from_tty)
-{
- char *p = args;
- char *p1;
- int num;
- struct mem_region *m;
-
- dcache_invalidate (target_dcache);
-
- if (p == 0)
- {
- for (m = mem_region_chain; m; m = m->next)
- m->enabled_p = 1;
- }
- else
- while (*p)
- {
- p1 = p;
- while (*p1 >= '0' && *p1 <= '9')
- p1++;
- if (*p1 && *p1 != ' ' && *p1 != '\t')
- error ("Arguments must be memory region numbers.");
-
- num = atoi (p);
- mem_enable (num);
-
- p = p1;
- while (*p == ' ' || *p == '\t')
- p++;
- }
-}
-
-
-/* Disable the memory region number NUM. */
-
-static void
-mem_disable (int num)
-{
- struct mem_region *m;
-
- for (m = mem_region_chain; m; m = m->next)
- if (m->number == num)
- {
- m->enabled_p = 0;
- return;
- }
- printf_unfiltered ("No memory region number %d.\n", num);
-}
-
-static void
-mem_disable_command (char *args, int from_tty)
-{
- char *p = args;
- char *p1;
- int num;
- struct mem_region *m;
-
- dcache_invalidate (target_dcache);
-
- if (p == 0)
- {
- for (m = mem_region_chain; m; m = m->next)
- m->enabled_p = 0;
- }
- else
- while (*p)
- {
- p1 = p;
- while (*p1 >= '0' && *p1 <= '9')
- p1++;
- if (*p1 && *p1 != ' ' && *p1 != '\t')
- error ("Arguments must be memory region numbers.");
-
- num = atoi (p);
- mem_disable (num);
-
- p = p1;
- while (*p == ' ' || *p == '\t')
- p++;
- }
-}
-
-/* Clear memory region list */
-
-static void
-mem_clear (void)
-{
- struct mem_region *m;
-
- while ((m = mem_region_chain) != 0)
- {
- mem_region_chain = m->next;
- delete_mem_region (m);
- }
-}
-
-/* Delete the memory region number NUM. */
-
-static void
-mem_delete (int num)
-{
- struct mem_region *m1, *m;
-
- if (!mem_region_chain)
- {
- printf_unfiltered ("No memory region number %d.\n", num);
- return;
- }
-
- if (mem_region_chain->number == num)
- {
- m1 = mem_region_chain;
- mem_region_chain = m1->next;
- delete_mem_region (m1);
- }
- else
- for (m = mem_region_chain; m->next; m = m->next)
- {
- if (m->next->number == num)
- {
- m1 = m->next;
- m->next = m1->next;
- delete_mem_region (m1);
- break;
- }
- }
-}
-
-static void
-mem_delete_command (char *args, int from_tty)
-{
- char *p = args;
- char *p1;
- int num;
-
- dcache_invalidate (target_dcache);
-
- if (p == 0)
- {
- if (query ("Delete all memory regions? "))
- mem_clear ();
- dont_repeat ();
- return;
- }
-
- while (*p)
- {
- p1 = p;
- while (*p1 >= '0' && *p1 <= '9')
- p1++;
- if (*p1 && *p1 != ' ' && *p1 != '\t')
- error ("Arguments must be memory region numbers.");
-
- num = atoi (p);
- mem_delete (num);
-
- p = p1;
- while (*p == ' ' || *p == '\t')
- p++;
- }
-
- dont_repeat ();
-}
-
-void
-_initialize_mem ()
-{
- add_com ("mem", class_vars, mem_command,
- "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,
- "Memory region attributes");
-}
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