Changeset 1ea99cc in mainline for uspace/lib/libc/arch/ia32/src/tls.c

Timestamp:

2009-08-20T20:47:35Z (15 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

b50b5af2

Parents:

24edc18

Message:

Merge changes from original Subversion dynload branch.

File:

• uspace/lib/libc/arch/ia32/src/tls.c (modified) (2 diffs)

uspace/lib/libc/arch/ia32/src/tls.c

@@ -37 +37 @@
 #include <tls.h>
 #include <sys/types.h>
+#include <align.h>
 
 tcb_t * __alloc_tls(void **data, size_t size)
@@ -48 +49 @@
 }
 
+//#ifdef __SHARED__
+
+typedef struct {
+        unsigned long int ti_module;
+        unsigned long int ti_offset;
+} tls_index;
+
+void __attribute__ ((__regparm__ (1)))
+    *___tls_get_addr(tls_index *ti);
+
+void __attribute__ ((__regparm__ (1)))
+    *___tls_get_addr(tls_index *ti)
+{
+        size_t tls_size;
+        uint8_t *tls;
+
+        /* Calculate size of TLS block */
+        tls_size = ALIGN_UP(&_tbss_end - &_tdata_start, &_tls_alignment);
+
+        /* The TLS block is just before TCB */
+        tls = (uint8_t *)__tcb_get() - tls_size;
+
+        return tls + ti->ti_offset;
+}
+
+//#endif
+
 /** @}
  */