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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2013-06-17 15:50:53 -0500 |
|---|---|---|
| committer | Ryan S. Arnold <rsa@linux.vnet.ibm.com> | 2013-07-26 09:52:07 -0500 |
| commit | 920e759ea4f48ca9c8b4dba6dfe5c88d27033121 (patch) | |
| tree | 4c78ef2a71a671ea894a2d70e990d1072a3ab263 | |
| parent | 7dfe8a35215a019f552f117d907eca294225c121 (diff) | |
| download | glibc-920e759ea4f48ca9c8b4dba6dfe5c88d27033121.tar.gz glibc-920e759ea4f48ca9c8b4dba6dfe5c88d27033121.tar.xz glibc-920e759ea4f48ca9c8b4dba6dfe5c88d27033121.zip | |
PowerPC: Reserve TCB space for EBB framework
This patch reserves four pointer to be used in future Event-Based Branch framework for PowerPC. (cherry picked from commit e55a9b256d53c7fc5145e3e4d338d3741b23e232)
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/powerpc/tls.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 9737691ca5..e4aade27dd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2013-06-17 Adhemerval Zanella <azanella@linux.vnet.ibm.com> + + * nptl/sysdeps/powerpc/tls.h (tcbhead_t): Add Event-Based Branch + fields. + 2013-06-11 Adhemerval Zanella <azanella@linux.vnet.ibm.com> [BZ #15605] diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h index 4c09eecfd9..611c773dd6 100644 --- a/nptl/sysdeps/powerpc/tls.h +++ b/nptl/sysdeps/powerpc/tls.h @@ -61,6 +61,11 @@ typedef union dtv are private. */ typedef struct { + /* Reservation for the Event-Based Branching ABI. */ + uintptr_t ebb_handler; + uintptr_t ebb_ctx_pointer; + uintptr_t ebb_reserved1; + uintptr_t ebb_reserved2; uintptr_t pointer_guard; uintptr_t stack_guard; dtv_t *dtv; |