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authorSebastian Huber <sebastian.huber@embedded-brains.de>2019-10-04 08:51:13 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2019-10-28 10:00:31 +0100
commit795b167545ac074509f4b7c5fd7ed1c0da717460 (patch)
tree03738f140e6a95276eae514e0ee9a1d7a8426e79 /cpukit
parentbsp/xilinx-zynqmp: Fix linkcmds config (diff)
downloadrtems-795b167545ac074509f4b7c5fd7ed1c0da717460.tar.bz2
score: Add RTEMS_DEFINE_GLOBAL_SYMBOL_IN_SECTION()
Update #3799.
Diffstat (limited to 'cpukit')
-rw-r--r--cpukit/include/rtems/score/basedefs.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/cpukit/include/rtems/score/basedefs.h b/cpukit/include/rtems/score/basedefs.h
index 782958920c..5f38559b6d 100644
--- a/cpukit/include/rtems/score/basedefs.h
+++ b/cpukit/include/rtems/score/basedefs.h
@@ -344,6 +344,25 @@
#endif
/**
+ * @brief Defines a global symbol with the specified name in the specified
+ * section.
+ *
+ * The name must be a valid designator.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_DEFINE_GLOBAL_SYMBOL_IN_SECTION( _name, _section ) \
+ __asm__( \
+ ".pushsection \"" _section "\"\n" \
+ "\t.globl " \
+ RTEMS_XSTRING( RTEMS_XCONCAT( __USER_LABEL_PREFIX__, _name ) ) "\n" \
+ RTEMS_XSTRING( RTEMS_XCONCAT( __USER_LABEL_PREFIX__, _name ) ) ":\n" \
+ "\t.popsection\n" \
+ )
+#else
+ #define RTEMS_DEFINE_GLOBAL_SYMBOL_IN_SECTION( _name, section )
+#endif
+
+/**
* @brief Returns the value of the specified integral expression and tells the
* compiler that the predicted value is true (1).
*