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[RFC,v2,06/27] Add Infinity THREAD_SELF macros to sysdeps/i386/nptl/tls.h

Message ID 1465814311-31470-7-git-send-email-gbenson@redhat.com
State New, archived
Headers

Commit Message

Gary Benson June 13, 2016, 10:38 a.m. UTC 
  This commit adds Infinity THREAD_SELF macros for i386.
---
 sysdeps/i386/nptl/tls.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
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Patch

diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
index a6dfa9b..f504ef2 100644
--- a/sysdeps/i386/nptl/tls.h
+++ b/sysdeps/i386/nptl/tls.h
@@ -259,6 +259,14 @@  tls_fill_user_desc (union user_desc_init *desc,
   REGISTER_THREAD_AREA (32, offsetof (struct user_regs_struct, xgs), 3) \
   REGISTER_THREAD_AREA (64, 26 * 8, 3) /* x86-64's user_regs_struct->gs */
 
+/* Magic for Infinity to know how to do THREAD_SELF.  */
+# define I8_THREAD_SELF I8_TS_REGISTER_THREAD_AREA
+# ifdef __LP64__
+#  define I8_TS_RTA_OFFSET 26 * 8 /* x86-64's user_regs_struct->gs */
+# else
+#  define I8_TS_RTA_OFFSET offsetof (struct user_regs_struct, xgs)
+# endif
+# define I8_TS_RTA_SCALE 3
 
 /* Read member of the thread descriptor directly.  */
 # define THREAD_GETMEM(descr, member) \