Backported malloc and realloc from avr-libc 1.8.0 (without test code)

See #857

1 files changed, 49 insertions, 0 deletions

diff --git a/cores/arduino/avr-libc/sectionname.h b/cores/arduino/avr-libc/sectionname.h
new file mode 100644
index 0000000..8e0f448
--- /dev/null
+++ b/cores/arduino/avr-libc/sectionname.h
@@ -0,0 +1,49 @@
+/* Copyright (c) 2009 Atmel Corporation
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are met:
+
+   * Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+
+   * 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.
+
+   * Neither the name of the copyright holders nor the names of
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+  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.
+*/
+
+#ifndef __SECTIONNAME_H__
+#define __SECTIONNAME_H__
+
+/* Put all avr-libc functions in a common, unique sub-section name under .text. */
+
+#define CLIB_SECTION    .text.avr-libc
+#define MLIB_SECTION    .text.avr-libc.fplib
+
+#define STR(x)   _STR(x)
+#define _STR(x)  #x
+
+#define ATTRIBUTE_CLIB_SECTION  __attribute__ ((section (STR(CLIB_SECTION))))
+#define ATTRIBUTE_MLIB_SECTION  __attribute__ ((section (STR(MLIB_SECTION))))
+
+#define ASSEMBLY_CLIB_SECTION   .section CLIB_SECTION, "ax", @progbits
+#define ASSEMBLY_MLIB_SECTION   .section MLIB_SECTION, "ax", @progbits
+
+#endif