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author | Stefan Liebler <stli@linux.vnet.ibm.com> | 2017-04-04 13:16:28 +0200 |
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committer | Stefan Liebler <stli@linux.vnet.ibm.com> | 2017-04-04 13:16:28 +0200 |
commit | fce3da82e56a66bdafcef437abef0fa7b82b8d2b (patch) | |
tree | d4a95276b96532152b8aa4414974b328f10bea1d /libio | |
parent | 83f0ad2bc63f26dab10f47c8741245d93eb4077a (diff) | |
download | glibc-fce3da82e56a66bdafcef437abef0fa7b82b8d2b.tar.gz glibc-fce3da82e56a66bdafcef437abef0fa7b82b8d2b.tar.xz glibc-fce3da82e56a66bdafcef437abef0fa7b82b8d2b.zip |
S390: Clobber also r14 in TLS_LD, TLS_GD macros on 31bit.
This patch also clobbers r14 in TLS_LD, TLS_GD macros on 31bit. This ensures that r14 isn't used to save and restore r12 while r14 is clobbered by the bas-instruction. As note: r12 can't be added to clobber list as gcc would fail with: error: PIC register clobbered by ‘12’ in ‘asm’ For 64bit this fix was already done in 2004 in the commit b80af23ac6973e69df6cd23d221fa44fffb21e17. ChangeLog: * sysdeps/s390/s390-32/tls-macros.h (TLS_LD, TLS_GD): Clobber also r14.
Diffstat (limited to 'libio')
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