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authorMarkus Metzger <mmetzger@sourceware.org>2013-03-11 08:39:38 +0000
committerMarkus Metzger <mmetzger@sourceware.org>2013-03-11 08:39:38 +0000
commitb48d48ebed2efed429a1e6b92603d784b703a4ab (patch)
tree59c3c0dd37156b8ee7614b005ccbe04692cd87b5 /gdb
parenta950d57c9fcf0b82e9b625398c24bf9c70717c0f (diff)
downloadbinutils-gdb-b48d48ebed2efed429a1e6b92603d784b703a4ab.tar.gz
Add a new function to target.h to add an alias command for a target and mark it
deprecated. This is useful when renaming targets. gdb/ * target.h (add_deprecated_target_alias): New. * target.c (add_deprecated_target_alias): New.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/target.c15
-rw-r--r--gdb/target.h5
3 files changed, 25 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 0691d64b264..8655973fc8c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
2013-03-11 Markus Metzger <markus.t.metzger@intel.com>
+ * target.h (add_deprecated_target_alias): New.
+ * target.c (add_deprecated_target_alias): New.
+
+2013-03-11 Markus Metzger <markus.t.metzger@intel.com>
+
* common/linux-btrace.c: Include sys/ptrace, sys/types, sys/wait.h,
and signal.h.
(linux_supports_btrace): Add kernel and
diff --git a/gdb/target.c b/gdb/target.c
index 524caec7122..dd201847ac2 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -434,6 +434,21 @@ information on the arguments for a particular protocol, type\n\
add_cmd (t->to_shortname, no_class, t->to_open, t->to_doc, &targetlist);
}
+/* See target.h. */
+
+void
+add_deprecated_target_alias (struct target_ops *t, char *alias)
+{
+ struct cmd_list_element *c;
+ char *alt;
+
+ /* If we use add_alias_cmd, here, we do not get the deprecated warning,
+ see PR cli/15104. */
+ c = add_cmd (alias, no_class, t->to_open, t->to_doc, &targetlist);
+ alt = xstrprintf ("target %s", t->to_shortname);
+ deprecate_cmd (c, alt);
+}
+
/* Stub functions */
void
diff --git a/gdb/target.h b/gdb/target.h
index ceecca4f321..e98095e35f8 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -1788,6 +1788,11 @@ int target_verify_memory (const gdb_byte *data,
extern void add_target (struct target_ops *);
+/* Adds a command ALIAS for target T and marks it deprecated. This is useful
+ for maintaining backwards compatibility when renaming targets. */
+
+extern void add_deprecated_target_alias (struct target_ops *t, char *alias);
+
extern void push_target (struct target_ops *);
extern int unpush_target (struct target_ops *);