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-rw-r--r--cpukit/include/rtems/rtl/rtl-sym.h51
1 files changed, 45 insertions, 6 deletions
diff --git a/cpukit/include/rtems/rtl/rtl-sym.h b/cpukit/include/rtems/rtl/rtl-sym.h
index 07cad4cab6..3502b303b8 100644
--- a/cpukit/include/rtems/rtl/rtl-sym.h
+++ b/cpukit/include/rtems/rtl/rtl-sym.h
@@ -1,9 +1,28 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
/*
* COPYRIGHT (c) 2012-2014, 2018 Chris Johns <chrisj@rtems.org>
*
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
@@ -44,6 +63,22 @@ typedef struct rtems_rtl_symbols
} rtems_rtl_symbols;
/**
+ * A TLS variable offset call. There is one per base image TLS
+ * variable.
+ */
+typedef size_t (*rtems_rtl_tls_offset_func)(void);
+
+/**
+ * A TLS symbol offset entry. It is used with an exported symbol table
+ * to find a TSL table offset for a variable at runtime.
+ */
+typedef struct rtems_rtl_tls_offset
+{
+ size_t index; /** exported symbol table index */
+ rtems_rtl_tls_offset_func offset; /** TLS offset function */
+} rtems_rtl_tls_offset;
+
+/**
* Open a symbol table with the specified number of buckets.
*
* @param symbols The symbol table to open.
@@ -82,10 +117,14 @@ void rtems_rtl_symbol_table_close (rtems_rtl_symbols* symbols);
* @param obj The object table the symbols are for.
* @param esyms The exported symbol table.
* @param size The size of the table in bytes.
+ * @param tls_offsets The TLS offsets table. If NULL none provided.
+ * @param tls_size The number TLS offset entries in the table.
*/
-bool rtems_rtl_symbol_global_add (rtems_rtl_obj* obj,
- const unsigned char* esyms,
- unsigned int size);
+bool rtems_rtl_symbol_global_add (rtems_rtl_obj* obj,
+ const unsigned char* esyms,
+ unsigned int size,
+ rtems_rtl_tls_offset* tls_offsets,
+ unsigned int tls_size);
/**
* Find a symbol given the symbol label in the global symbol table.