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Merge pull request #2284 from cmaglie/ide-1.5.x-cxx-abi-compat

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Correct implementation of gcc specific internal functions (take 2)
This commit is contained in:
Cristian Maglie 2014-09-08 19:14:04 +02:00
commit 82e04ba325
7 changed files with 98 additions and 38 deletions
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2
hardware/arduino/avr/cores/arduino/Printable.h
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@ -20,7 +20,7 @@
#ifndef Printable_h
#define Printable_h
#include <new.h>
#include <stdlib.h>
class Print;

25
hardware/arduino/sam/cores/arduino/cxxabi-compat.cpp → hardware/arduino/avr/cores/arduino/abi.cpp
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@ -1,5 +1,5 @@
/*
Copyright (c) 2011 Arduino. All right reserved.
Copyright (c) 2014 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
@ -8,7 +8,7 @@
This 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.
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
@ -16,11 +16,20 @@
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
extern "C" void __cxa_pure_virtual(void) ;
#include <stdlib.h>
/* We compile with nodefaultlibs, so we need to provide an error
* handler for an empty pure virtual function */
extern "C" void __cxa_pure_virtual(void) {
while(1)
;
extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__));
extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));
void __cxa_pure_virtual(void) {
// We might want to write some diagnostics to uart in this case
//std::terminate();
abort();
}
void __cxa_deleted_virtual(void) {
// We might want to write some diagnostics to uart in this case
//std::terminate();
abort();
}

38
hardware/arduino/avr/cores/arduino/new.cpp
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@ -1,28 +1,36 @@
#include <new.h>
/*
Copyright (c) 2014 Arduino. All right reserved.
void * operator new(size_t size)
{
This 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.
This 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
void *operator new(size_t size) {
return malloc(size);
}
void * operator new[](size_t size)
{
void *operator new[](size_t size) {
return malloc(size);
}
void operator delete(void * ptr)
{
void operator delete(void * ptr) {
free(ptr);
}
void operator delete[](void * ptr)
{
void operator delete[](void * ptr) {
free(ptr);
}
int __cxa_guard_acquire(__guard *g) {return !*(char *)(g);};
void __cxa_guard_release (__guard *g) {*(char *)g = 1;};
void __cxa_guard_abort (__guard *) {};
void __cxa_pure_virtual(void) {};

28
hardware/arduino/avr/cores/arduino/new.h
View File

@ -1,6 +1,20 @@
/* Header to define new/delete operators as they aren't provided by avr-gcc by default
Taken from http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=59453
*/
/*
Copyright (c) 2014 Arduino. All right reserved.
This 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.
This 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef NEW_H
#define NEW_H
@ -12,13 +26,5 @@ void * operator new[](size_t size);
void operator delete(void * ptr);
void operator delete[](void * ptr);
__extension__ typedef int __guard __attribute__((mode (__DI__)));
extern "C" int __cxa_guard_acquire(__guard *);
extern "C" void __cxa_guard_release (__guard *);
extern "C" void __cxa_guard_abort (__guard *);
extern "C" void __cxa_pure_virtual(void);
#endif

2
hardware/arduino/avr/platform.txt
View File

@ -21,7 +21,7 @@ compiler.c.elf.flags=-w -Os -Wl,--gc-sections
compiler.c.elf.cmd=avr-gcc
compiler.S.flags=-c -g -x assembler-with-cpp
compiler.cpp.cmd=avr-g++
compiler.cpp.flags=-c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD
compiler.cpp.flags=-c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD
compiler.ar.cmd=avr-ar
compiler.ar.flags=rcs
compiler.objcopy.cmd=avr-objcopy

37
hardware/arduino/sam/cores/arduino/abi.cpp Normal file
View File

@ -0,0 +1,37 @@
/*
Copyright (c) 2014 Arduino. All right reserved.
This 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.
This 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__));
extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));
void __cxa_pure_virtual(void) {
// We might want to write some diagnostics to uart in this case
//std::terminate();
while (1)
;
}
void __cxa_deleted_virtual(void) {
// We might want to write some diagnostics to uart in this case
//std::terminate();
while (1)
;
}

4
hardware/arduino/sam/platform.txt
View File

@ -13,11 +13,11 @@ version=1.5.8
compiler.path={runtime.ide.path}/hardware/tools/gcc-arm-none-eabi-4.8.3-2014q1/bin/
compiler.c.cmd=arm-none-eabi-gcc
compiler.c.flags=-c -g -Os -w -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500 -Dprintf=iprintf
compiler.c.elf.cmd=arm-none-eabi-g++
compiler.c.elf.cmd=arm-none-eabi-gcc
compiler.c.elf.flags=-Os -Wl,--gc-sections
compiler.S.flags=-c -g -x assembler-with-cpp
compiler.cpp.cmd=arm-none-eabi-g++
compiler.cpp.flags=-c -g -Os -w -ffunction-sections -fdata-sections -nostdlib --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -Dprintf=iprintf
compiler.cpp.flags=-c -g -Os -w -ffunction-sections -fdata-sections -nostdlib -fno-threadsafe-statics --param max-inline-insns-single=500 -fno-rtti -fno-exceptions -Dprintf=iprintf
compiler.ar.cmd=arm-none-eabi-ar
compiler.ar.flags=rcs
compiler.objcopy.cmd=arm-none-eabi-objcopy