Changeset eefdd7c in mainline for uspace/lib/c/arch/ppc32/src/tls.c

Timestamp:

2019-01-20T10:02:08Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

4f13e19

Parents:

a131536d

Message:

Dynamic linking for ppc32

File:

• uspace/lib/c/arch/ppc32/src/tls.c (modified) (3 diffs)

uspace/lib/c/arch/ppc32/src/tls.c

@@ -1 +1 @@
 /*
+ * Copyright (c) 2019 Jiri Svoboda
  * Copyright (c) 2006 Ondrej Palkovsky
  * All rights reserved.
@@ -36 +37 @@
 #include <stddef.h>
 
+#ifdef CONFIG_RTLD
+#include <rtld/rtld.h>
+#endif
+
 tcb_t *tls_alloc_arch(size_t size, size_t align)
 {
@@ -46 +51 @@
 }
 
+/*
+ * Rtld TLS support
+ */
+
+typedef struct {
+        unsigned long int ti_module;
+        unsigned long int ti_offset;
+} tls_index;
+
+int __tls_debug = 0;
+
+void *__tls_get_addr(tls_index *ti);
+
+void *__tls_get_addr(tls_index *ti)
+{
+        uint8_t *tls;
+
+#ifdef CONFIG_RTLD
+        if (runtime_env != NULL) {
+                return rtld_tls_get_addr(runtime_env, __tcb_get(),
+                    ti->ti_module, ti->ti_offset) + 0x8000;
+        }
+#endif
+        /* Get address of static TLS block */
+        tls = tls_get();
+        return tls + ti->ti_offset + 0x8000;
+}
+
 /** @}
  */