Feature linux64 support#2

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jdavison-mo wants to merge 8 commits into

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jdavison-mo:feature/linux64-support

Commits on Mar 31, 2017

Commits on Apr 6, 2017

Commits on Apr 16, 2017

added prebuilt backtrace.o that can be used directly with Android targets
shadow-cs
committed

Commits on Feb 26, 2020

Posix.ExceptionUtil.pas: add initial support for Linux64
jdavison-mo
committed
Posix.ExceptionUtil.pas: implement threadsafe todo. implemented with double checked locking. https://en.wikipedia.org/wiki/Double-checked_locking
jdavison-mo
committed
Posix.Proc.pas: addr2line on Linux64 (ubuntu 18.04) did not like the format that was used and works for Android. It seems it is content with just the virtual addresses
jdavison-mo
committed