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PowerPC: Reserve TCB space for EBB framework

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This patch reserves four pointer to be used in future Event-Based
Branch framework for PowerPC.
This commit is contained in:
Adhemerval Zanella 2013-06-17 15:50:53 -05:00
parent 3023a72eb8
commit e55a9b256d
2 changed files with 10 additions and 0 deletions
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5
ChangeLog
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@ -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.
2013-06-17 Roland McGrath <roland@hack.frob.com>
* scripts/sysd-rules.awk: Sort sysd_rules_patterns by descending

5
nptl/sysdeps/powerpc/tls.h
View File

@ -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;