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binutils-gdb
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2002-06-24 Don Howard <dhoward@redhat.com> 

* memattr.c (create_mem_region): Treat hi == 0 as a special case
        that means max CORE_ADDR+1.
        (lookup_mem_region): Ditto.
        (mem_info_command): Ditto.
This commit is contained in:
Don Howard 2002-06-24 22:08:30 +00:00
parent 942dc0e9ec
commit 2b236d8208
2 changed files with 17 additions and 7 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2002-06-24 Don Howard <dhoward@redhat.com>
* memattr.c (create_mem_region): Treat hi == 0 as a special case
that means max CORE_ADDR+1.
(lookup_mem_region): Ditto.
(mem_info_command): Ditto.
2002-06-24 Grace Sainsbury <graces@redhat.com>
* config/m68k/tm-m68k.h (DECR_PC_AFTER_BREAK): Remove.

17
gdb/memattr.c
View File

@ -47,7 +47,7 @@ create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
struct mem_region *n, *new;
/* lo == hi is a useless empty region */
if (lo >= hi)
if (lo >= hi && hi != 0)
{
printf_unfiltered ("invalid memory region: low >= high\n");
return NULL;
@ -57,8 +57,9 @@ create_mem_region (CORE_ADDR lo, CORE_ADDR hi,
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;
@ -111,7 +112,7 @@ lookup_mem_region (CORE_ADDR addr)
{
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)
@ -234,6 +235,7 @@ mem_info_command (char *args, int from_tty)
for (m = mem_region_chain; m; m = m->next)
{
CORE_ADDR hi;
char *tmp;
printf_filtered ("%-3d %-3c\t",
m->number,
@ -244,11 +246,12 @@ mem_info_command (char *args, int from_tty)
tmp = local_hex_string_custom ((unsigned long) m->lo, "016l");
printf_filtered ("%s ", tmp);
hi = (m->hi == 0 ? ~0 : m->hi);
if (TARGET_ADDR_BIT <= 32)
tmp = local_hex_string_custom ((unsigned long) m->hi, "08l");
tmp = local_hex_string_custom ((unsigned long) hi, "08l");
else
tmp = local_hex_string_custom ((unsigned long) m->hi, "016l");
tmp = local_hex_string_custom ((unsigned long) hi, "016l");
printf_filtered ("%s ", tmp);