Changeset 32573ff in mainline for uspace/lib/c/arch/amd64/include/libarch/tls.h

Timestamp:

2016-05-02T20:58:16Z (9 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

7c4b26c

Parents:

6adb775f (diff), 5035ba05 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline, which has dltest and fixes.

File:

• uspace/lib/c/arch/amd64/include/libarch/tls.h (modified) (1 diff)

uspace/lib/c/arch/amd64/include/libarch/tls.h

@@ -47 +47 @@
 static inline void __tcb_set(tcb_t *tcb)
 {
-        __SYSCALL1(SYS_TLS_SET, (sysarg_t) tcb);
+        asm volatile ("movq %0, %%fs:0" :: "r" (tcb));
 }
 
-static inline tcb_t * __tcb_get(void)
+static inline tcb_t *__tcb_get(void)
 {
-        void * retval;
+        void *retval;
 
-        asm ("movq %%fs:0, %0" : "=r"(retval));
+        asm volatile ("movq %%fs:0, %0" : "=r" (retval));
         return retval;
 }