aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/nios2/dl-tls.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/nios2/dl-tls.h')
-rw-r--r--sysdeps/nios2/dl-tls.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/nios2/dl-tls.h b/sysdeps/nios2/dl-tls.h
new file mode 100644
index 0000000..541e4b0
--- /dev/null
+++ b/sysdeps/nios2/dl-tls.h
@@ -0,0 +1,48 @@
+/* Thread-local storage handling in the ELF dynamic linker. Nios II version.
+ Copyright (C) 2012-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+
+/* Type used for the representation of TLS information in the GOT. */
+typedef struct
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+/* The thread pointer points 0x7000 past the first static TLS block. */
+#define TLS_TP_OFFSET 0x7000
+
+/* Dynamic thread vector pointers point 0x8000 past the start of each
+ TLS block. */
+#define TLS_DTV_OFFSET 0x8000
+
+/* Compute the value for a GOTTPREL reloc. */
+#define TLS_TPREL_VALUE(sym_map, sym) \
+ ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET)
+
+/* Compute the value for a DTPREL reloc. */
+#define TLS_DTPREL_VALUE(sym) \
+ ((sym)->st_value - TLS_DTV_OFFSET)
+
+extern void *__tls_get_addr (tls_index *ti);
+
+# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
+# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
+
+/* Value used for dtv entries for which the allocation is delayed. */
+#define TLS_DTV_UNALLOCATED ((void *) -1l)