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2011-04-20 Pedro Alves <pedro@codesourcery.com>

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gdb/
	* regcache.c (get_thread_arch_regcache): If creating a regcache for
	null_ptid, assume and allow a NULL address space, instead of
	asking the target for the ptid's address space.
	* infrun.c (ptid_is_pid): Remove assertion.

	gdb/testsuite/
	* gdb.base/maint.exp: Test that "maint print registers" works
	without a running program.
This commit is contained in:
Pedro Alves
2011-04-20 17:01:11 +00:00
parent 15be625dff
commit b78974c3b4
5 changed files with 40 additions and 17 deletions
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15
gdb/regcache.c
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@@ -453,16 +453,25 @@ get_thread_arch_regcache (ptid_t ptid, struct gdbarch *gdbarch)
{
struct regcache_list *list;
struct regcache *new_regcache;
struct address_space *aspace;
for (list = current_regcache; list; list = list->next)
if (ptid_equal (list->regcache->ptid, ptid)
&& get_regcache_arch (list->regcache) == gdbarch)
return list->regcache;
new_regcache = regcache_xmalloc_1 (gdbarch,
target_thread_address_space (ptid), 0);
/* For the benefit of "maint print registers" & co when debugging an
executable, allow dumping the regcache even when there is no
thread selected (target_thread_address_space internal-errors if
no address space is found). Note that normal user commands will
fail higher up on the call stack due to no
target_has_registers. */
aspace = (ptid_equal (null_ptid, ptid)
? NULL
: target_thread_address_space (ptid));
new_regcache = regcache_xmalloc_1 (gdbarch, aspace, 0);
new_regcache->ptid = ptid;
gdb_assert (new_regcache->aspace != NULL);
list = xmalloc (sizeof (struct regcache_list));
list->regcache = new_regcache;