summary refs log tree commit diff
path: root/nptl
diff options
context:
space:
mode:
authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-06-17 15:50:53 -0500
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2013-06-17 15:50:53 -0500
commite55a9b256d53c7fc5145e3e4d338d3741b23e232 (patch)
treea09f7bd43f54fc1958cb5002d477a2034bd315d8 /nptl
parent3023a72eb83751a23b01b6cb996fb81fe3abbcb6 (diff)
downloadglibc-e55a9b256d53c7fc5145e3e4d338d3741b23e232.tar.gz
glibc-e55a9b256d53c7fc5145e3e4d338d3741b23e232.tar.xz
glibc-e55a9b256d53c7fc5145e3e4d338d3741b23e232.zip
PowerPC: Reserve TCB space for EBB framework
This patch reserves four pointer to be used in future Event-Based
Branch framework for PowerPC.
Diffstat (limited to 'nptl')
-rw-r--r--nptl/sysdeps/powerpc/tls.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h
index 46dac9e9f3..8e0ada6bfa 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;