LogoopenSUSE Build Service > Projects
Sign Up | Log In

View File dietlibc-0.31-tls.diff of Package dietlibc (Project devel:libraries:c_c++)

--- include/sys/tls.h
+++ include/sys/tls.h
@@ -24,8 +24,13 @@ typedef struct
   void *self;           /* Pointer to the thread descriptor.  */
   int multiple_threads;
   uintptr_t sysinfo;
+#ifdef __ia64__
+  uintptr_t pointer_guard;
+  uintptr_t stack_guard;
+#else
   uintptr_t stack_guard;
   uintptr_t pointer_guard;
+#endif
 } tcbhead_t;
 
 #if defined(__i386__)
--- lib/stackgap.c
+++ lib/stackgap.c
@@ -14,6 +14,14 @@ extern unsigned long __guard;
 #if defined(WANT_SSP) || defined(WANT_THREAD_SAFE)
 static tcbhead_t mainthread;
 
+#if defined __ia64__ || defined __powerpc64__
+register tcbhead_t* __thread_self __asm__("r13");
+#elif defined __powerpc__
+register tcbhead_t* __thread_self __asm__("r2");
+#elif defined __sparc__
+register tcbhead_t* __thread_self __asm("%g7");
+#endif
+
 static void setup_tls(void) {
   mainthread.tcb=&mainthread;
   mainthread.self=&mainthread;
@@ -38,11 +46,11 @@ static void setup_tls(void) {
 
 #elif defined(__alpha__) || defined(__s390__)
   __builtin_set_thread_pointer(&mainthread);
-#elif defined(__ia64__) || defined(__powerpc__)
-  register tcbhead_t* __thread_self __asm__("r13");
-  __thread_self=&mainthread;
+#elif defined(__ia64__)
+  __thread_self = &mainthread + 1;
+#elif defined(__powerpc__)
+  __thread_self = (tcbhead_t *)((char *)(&mainthread + 1) + 0x7000);
 #elif defined(__sparc__)
-  register tcbhead_t* __thread_self __asm("%g7");
   __thread_self=&mainthread;
 #else
 #warning "no idea how to enable TLS on this platform, edit lib/stackgap.c"