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tile: BZ#14237: fix __tls_get_addr bug initializing new modules

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We were missing a check for TLS_DTV_UNALLOCATED; if set, we need
to go to the slow path.
This commit is contained in:
Chris Metcalf 2012-09-06 11:25:04 -04:00
parent 14c996c83b
commit 053406fa70
2 changed files with 6 additions and 0 deletions
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4
ports/ChangeLog.tile
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@ -1,3 +1,7 @@
2012-09-06 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/__tls_get_addr.S: Fix TLS module initialization bug.
2012-08-27 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/tile/kernel-features.h

2
ports/sysdeps/tile/__tls_get_addr.S
View File

@ -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