[EABI] add support for EABI/linux toolchains

pretty much a hack right now, more or less testing for
arm-none-linux-eabi- in the toolchain prefix and adding some routines
that have to be implemented.

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/libc/eabi.c b/lib/libc/eabi.c
new file mode 100644
index 00000000..6213d682
--- /dev/null
+++ b/lib/libc/eabi.c
@@ -0,0 +1,49 @@
+/* Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* some cruft we have to define when using the linux toolchain */
+#if WITH_LINUX_EABI_TOOLCHAIN
+
+#include <unwind.h>
+
+/* Our toolchain has eabi functionality built in, but they're not really used.
+ * so we stub them out here. */
+_Unwind_Reason_Code __aeabi_unwind_cpp_pr0(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
+{
+	return _URC_FAILURE;
+}
+
+_Unwind_Reason_Code __aeabi_unwind_cpp_pr1(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
+{
+        return _URC_FAILURE;
+}
+
+_Unwind_Reason_Code __aeabi_unwind_cpp_pr2(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
+{
+        return _URC_FAILURE;
+}
+
+void raise(void)
+{
+}
+
+#endif