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-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/regcache.c33
2 files changed, 24 insertions, 15 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 726dbc7..9b00cd9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
2017-10-04 Pedro Alves <palves@redhat.com>
+ * regcache.c (get_thread_arch_regcache): Remove null_ptid special
+ case.
+ (regcache_print): Handle !target_has_registers here instead.
+
+2017-10-04 Pedro Alves <palves@redhat.com>
+
* frame.c (create_test_frame): Delete.
* frame.h (create_test_frame): Delete.
* gdbarch-selftests.c: Include gdbthread.h and target.h.
diff --git a/gdb/regcache.c b/gdb/regcache.c
index acec972..bf448ef 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -439,17 +439,7 @@ get_thread_arch_aspace_regcache (ptid_t ptid, struct gdbarch *gdbarch,
struct regcache *
get_thread_arch_regcache (ptid_t ptid, struct gdbarch *gdbarch)
{
- struct address_space *aspace;
-
- /* 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));
+ address_space *aspace = target_thread_address_space (ptid);
return get_thread_arch_aspace_regcache (ptid, gdbarch, aspace);
}
@@ -1595,15 +1585,28 @@ regcache::dump (ui_file *file, enum regcache_dump_what what_to_dump)
static void
regcache_print (const char *args, enum regcache_dump_what what_to_dump)
{
+ /* Where to send output. */
+ stdio_file file;
+ ui_file *out;
+
if (args == NULL)
- get_current_regcache ()->dump (gdb_stdout, what_to_dump);
+ out = gdb_stdout;
else
{
- stdio_file file;
-
if (!file.open (args, "w"))
perror_with_name (_("maintenance print architecture"));
- get_current_regcache ()->dump (&file, what_to_dump);
+ out = &file;
+ }
+
+ if (target_has_registers)
+ get_current_regcache ()->dump (out, what_to_dump);
+ else
+ {
+ /* For the benefit of "maint print registers" & co when
+ debugging an executable, allow dumping a regcache even when
+ there is no thread selected / no registers. */
+ regcache dummy_regs (target_gdbarch (), nullptr);
+ dummy_regs.dump (out, what_to_dump);
}
}