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authorrofl0r <retnyg@gmx.net>2013-02-06 02:15:51 +0100
committerrofl0r <retnyg@gmx.net>2013-02-06 22:46:19 +0100
commit526900484ca5673630a5838e081db685c6856fe2 (patch)
treee4cdec84768c18b85b86c55cfbd38de7cdabf097 /include/math.h
parent158f721adc851850f22f789ad672deb6b88d511d (diff)
downloadmusl-526900484ca5673630a5838e081db685c6856fe2.tar.gz
arm: add __aeabi_atexit()
arm eabi requires this symbol for static C++ dtors. usually it is provided by libstdc++, but when a C++ program doesn't use the std lib (free-standing), the libc has to provide it. this was encountered while building transmission, which depends on such a C++ library (libutp). this function is nearly identical to __cxa_atexit, but it has the order of argumens swapped for "performance reasons". see page 25 of http://infocenter.arm.com/help/topic/com.arm.doc.ihi0043d/IHI0043D_rtabi.pdf there are other aeabi specific C++ support functions missing, but it is not clear yet that GCC makes use of them so we omit them for the moment.
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