From 053406fa70d071423c43465d60042d84c24f94cf Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Thu, 6 Sep 2012 11:25:04 -0400 Subject: [PATCH] tile: BZ#14237: fix __tls_get_addr bug initializing new modules We were missing a check for TLS_DTV_UNALLOCATED; if set, we need to go to the slow path. --- ports/ChangeLog.tile | 4 ++++ ports/sysdeps/tile/__tls_get_addr.S | 2 ++ 2 files changed, 6 insertions(+) diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile index 0be61921eb..c3a027d6ab 100644 --- a/ports/ChangeLog.tile +++ b/ports/ChangeLog.tile @@ -1,3 +1,7 @@ +2012-09-06 Chris Metcalf + + * sysdeps/tile/__tls_get_addr.S: Fix TLS module initialization bug. + 2012-08-27 Joseph Myers * sysdeps/unix/sysv/linux/tile/kernel-features.h diff --git a/ports/sysdeps/tile/__tls_get_addr.S b/ports/sysdeps/tile/__tls_get_addr.S index 74e4fa2c26..6de79ba53d 100644 --- a/ports/sysdeps/tile/__tls_get_addr.S +++ b/ports/sysdeps/tile/__tls_get_addr.S @@ -76,6 +76,8 @@ ENTRY (__tls_get_addr) ADD_PTR r28, r28, r27 /* pointer into module array */ } LD_PTR r26, r28 /* r26 = module TLS pointer */ + CMPEQI r25, r26, -1 /* check r26 == TLS_DTV_UNALLOCATED */ + BNEZ r25, .Lslowpath { ADD_PTR r0, r26, r29 jrp lr -- 2.43.5