Patchwork [RFC,03/22] Add Infinity THREAD_SELF macros to sysdeps/alpha/nptl/tls.h

login
register
mail settings
Submitter Gary Benson
Date Oct. 20, 2015, 2:55 p.m.
Message ID <1445352975-17844-4-git-send-email-gbenson@redhat.com>
Download mbox | patch
Permalink /patch/9246/
State New
Headers show

Comments

Gary Benson - Oct. 20, 2015, 2:55 p.m.
This commit adds Infinity THREAD_SELF macros for alpha.

It's possible for this platform to put the Infinity macros before
libthread_db's DB_THREAD_SELF, and define DB_THREAD_SELF in terms
of the Infinity values, but I wasn't sure if it would be appropriate.
---
 sysdeps/alpha/nptl/tls.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

Patch

diff --git a/sysdeps/alpha/nptl/tls.h b/sysdeps/alpha/nptl/tls.h
index 4eddf40..77288e8 100644
--- a/sysdeps/alpha/nptl/tls.h
+++ b/sysdeps/alpha/nptl/tls.h
@@ -102,6 +102,12 @@  typedef struct
 # define DB_THREAD_SELF \
   REGISTER (64, 64, 32 * 8, -sizeof (struct pthread))
 
+/* Magic for Infinity to know how to do THREAD_SELF.  */
+# define I8_THREAD_SELF I8_TS_REGISTER
+# define I8_TS_REG_SIZE 64
+# define I8_TS_REG_OFFSET 32 * 8
+# define I8_TS_REG_BIAS -sizeof (struct pthread)
+
 /* Access to data in the thread descriptor is easy.  */
 #define THREAD_GETMEM(descr, member) \
   descr->member