Old Patch, Manually added, does not build cleanly. Removed for now.

Revert "Patch 7467: Adds support for c++ new and delete operators"

This reverts commit 943f6d9.

README.md

@@ -43,7 +43,3 @@ Some attiny chips use the RSIG bit instead of SIGRD to read from the signature
 imprint area. From a quick grep, this concerns: tn1634, tn4313, tn441, tn828,
 tn841, tn24, tn44, tn84, tn25, tn45, tn85. This changes was tested on a tn841
 only, where no other changes are needed than using another name for this bit.
-
-### Merged Upstream Patch 7467
-
-Adds support for c++ new and delete operators

devtools/Architecture.am

@@ -1,6 +1,5 @@
 # Copyright (c) 2004,  Theodore A. Roth
 # Copyright (c) 2005, 2008, 2009  Anatoly Sokolov
-# Copyright (c) 2011 Bradley Jarvis
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -50,12 +49,9 @@ AM_CPPFLAGS = -I$(top_srcdir)/common -I$(top_srcdir)/include -I$(top_builddir)/i
 
 AVRLIB_CFLAGS = @CDEBUG@ -Wall -W -Wstrict-prototypes -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) $(AVR_TARGET_CFLAGS)
 
-AVRLIB_CXXFLAGS = @CDEBUG@ -Wall -W -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) $(AVR_TARGET_CFLAGS)
-
 AVRLIB_ASFLAGS = -x assembler-with-cpp @ASDEBUG@ -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) $(AVR_TARGET_ASFLAGS)
 
 AM_CFLAGS = $(AVRLIB_CFLAGS)
-AM_CXXFLAGS = $(AVRLIB_CXXFLAGS)
 AM_CCASFLAGS = $(AM_CPPFLAGS) $(AVRLIB_ASFLAGS)
 
 __install_dir = $(prefix)/avr/lib/$(AVR_INSTALL_DIR)
@@ -81,7 +77,6 @@ include $(top_srcdir)/libc/time/Rules.am
 
 nodist_libc_a_SOURCES = \
 	$(stdlib_a_c_sources) \
-	$(stdlib_a_cxx_sources) \
 	$(stdlib_a_asm_sources) \
 	$(pmstring_a_c_sources) \
 	$(pmstring_a_asm_sources) \

devtools/Device.am

@@ -1,6 +1,5 @@
 # Copyright (c) 2004,  Theodore A. Roth
 # Copyright (c) 2005, 2008  Anatoly Sokolov
-# Copyright (c) 2011, Bradley Jarvis
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -62,12 +61,9 @@ AM_CPPFLAGS = -I$(top_srcdir)/common -I$(top_srcdir)/include -I$(top_builddir)/i
 
 AVRLIB_CFLAGS = @CDEBUG@ -Wall -W -Wstrict-prototypes -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) $(AVR_TARGET_CFLAGS)
 
-AVRLIB_CXXFLAGS = @CDEBUG@ -Wall -W -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) $(AVR_TARGET_CFLAGS)
-
 AVRLIB_ASFLAGS = -x assembler-with-cpp @ASDEBUG@ -mmcu=$(AVR_TARGET) $(AVR_TARGET_DEFS) -DIOSYMFILE=\"iosym/$(AVR_TARGET).S\" $(AVR_TARGET_ASFLAGS)
 
 AM_CFLAGS = $(AVRLIB_CFLAGS)
-AM_CXXFLAGS = $(AVRLIB_CXXFLAGS)
 AM_CCASFLAGS = $(AM_CPPFLAGS) $(AVRLIB_ASFLAGS)
 
 

doc/api/faq.dox

@@ -252,6 +252,10 @@ compiled.  Among them are:
 - Obviously, none of the C++ related standard functions, classes,
   and template classes are available.
 
+- The operators \c new and \c delete are not implemented, attempting
+  to use them will cause the linker to complain about undefined
+  external references.  (This could perhaps be fixed.)
+
 - Some of the supplied include files are not C++ safe, i. e. they need
   to be wrapped into \code extern "C" { . . . } \endcode
   (This could certainly be fixed, too.)
@@ -262,14 +266,8 @@ compiled.  Among them are:
   this, the linker will complain about an undefined external
   reference to \c __gxx_personality_sj0.
 
-What is currently supported:
-
-- Constructors and destructors  including global ones.
-
-- The operators \c new and \c delete are also implemented, they do not
-  however support exceptions. They are located in libc in stdlib
-  and are wrappers for malloc and free.
-
+Constructors and destructors \e are supported though, including global
+ones.
 
 When programming C++ in space- and runtime-sensitive environments like
 microcontrollers, extra care should be taken to avoid unwanted side
@@ -937,30 +935,30 @@ the different optimization levels, and added about 2.5 KB to the code.
  <tr>
   <td>-O3</td>
   <td>6898</td>
-  <td>903 �s</td>
+  <td>903 �s</td>
   <td>19.7 ms</td>
  </tr>
  <tr>
   <td>-O2</td>
   <td>6666</td>
-  <td>972 �s</td>
+  <td>972 �s</td>
   <td>20.1 ms</td>
  </tr>
  <tr>
   <td>-Os</td>
   <td>6618</td>
-  <td>955 �s</td>
+  <td>955 �s</td>
   <td>20.1 ms</td>
  </tr>
  <tr>
   <td>-Os -mcall-prologues</td>
   <td>6474</td>
-  <td>972 �s</td>
+  <td>972 �s</td>
   <td>20.1 ms</td>
  </tr>
 </table>
 
-(The difference between 955 �s and 972 �s was just a single
+(The difference between 955 �s and 972 �s was just a single
 timer-tick, so take this with a grain of salt.)
 
 So generally, it seems <tt>-Os -mcall-prologues</tt> is the most

libc/stdlib/Files.am

@@ -53,9 +53,6 @@ stdlib_a_c_sources = \
 	dtoa_conv.h \
 	stdlib_private.h
 
-stdlib_a_cxx_sources = \
-	new.cc
-
 stdlib_a_asm_sources = \
 	abort.S \
 	atof.S \

libc/stdlib/Makefile.am

@@ -33,6 +33,5 @@ include $(top_srcdir)/libc/stdlib/Files.am
 
 EXTRA_DIST = \
 	$(stdlib_a_c_sources) \
-	$(stdlib_a_cxx_sources) \
 	$(stdlib_a_asm_sources) \
 	$(stdlib_a_extra_dist)