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From: Tom de Vries <tdevries@suse.de>
To: dwz@sourceware.org, jakub@redhat.com
Subject: [committed] Add first_dup macro
Date: Tue, 01 Jan 2019 00:00:00 -0000	[thread overview]
Message-ID: <20190409161947.GA28904@delia> (raw)

Hi,

Committed to trunk.

Thanks,
- Tom

Add first_dup macro

2019-04-09  Tom de Vries  <tdevries@suse.de>

	* dwz.c (first_dup): New macro.

---
 dwz.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dwz.c b/dwz.c
index eb97feb..8ea7c4d 100644
--- a/dwz.c
+++ b/dwz.c
@@ -794,6 +794,15 @@ die_cu (dw_die_ref die)
   return (dw_cu_ref) die->die_parent;
 }
 
+/* Given a toplevel die DIE, return the first (that is, the reference die) in
+   the duplicate chain.  */
+#define first_dup(die)				\
+  (die->die_dup					\
+   ? die->die_dup				\
+   : (die->die_nextdup				\
+      ? die					\
+      : NULL))
+
 /* Safe variant that check die_toplevel.  Can't be used on LHS.  */
 #define die_safe_dup(die) \
   ((die)->die_toplevel ? (die)->die_dup : (dw_die_ref) NULL)

                 reply	other threads:[~2019-04-09 16:19 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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