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Diffstat (limited to 'nptl/sysdeps/x86_64/tls.h')
-rw-r--r--nptl/sysdeps/x86_64/tls.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/nptl/sysdeps/x86_64/tls.h b/nptl/sysdeps/x86_64/tls.h
index e7fab7a1b2..f382db2861 100644
--- a/nptl/sysdeps/x86_64/tls.h
+++ b/nptl/sysdeps/x86_64/tls.h
@@ -253,6 +253,18 @@ typedef struct
        }})
 
 
+#define CALL_THREAD_FCT(descr) \
+  ({ void *__res;							      \
+     asm volatile ("movq %%fs:%P2, %%rdi\n\t"				      \
+		   "callq *%%fs:%P1"					      \
+		   : "=a" (__res)					      \
+		   : "i" (offsetof (struct pthread, start_routine)),	      \
+		     "i" (offsetof (struct pthread, arg))		      \
+		   : "di", "si", "cx", "dx", "r8", "r9", "r10", "r11",	      \
+		     "memory", "cc");					      \
+     __res; })
+
+
 #endif /* __ASSEMBLER__ */
 
 #endif	/* tls.h */