readme: more before main stuff

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Ciro Santilli 六四事件 法轮功
2020-09-29 01:00:00 +00:00
parent 1c3eeb4d01
commit 220c3a4344

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@@ -22322,9 +22322,12 @@ This is analogous to <<baremetal-gdb-step-debug,step debugging baremetal example
Related:
* https://electronics.stackexchange.com/questions/258896/what-happens-before-main
* https://electronics.stackexchange.com/questions/55767/who-receives-the-value-returned-by-main
* https://stackoverflow.com/questions/4783404/is-main-really-start-of-a-c-program/64116561#64116561 "Is main() really start of a C++ program?"
* https://electronics.stackexchange.com/questions/258896/what-happens-before-main/404298#404298
* https://electronics.stackexchange.com/questions/55767/who-receives-the-value-returned-by-main[], more microcontroller focused, should entitled "how to quit a program in microcontroller"
* https://stackoverflow.com/questions/53570678/what-happens-before-main-in-c "What happens before main in C++?"
* https://www.quora.com/What-is-happening-before-the-main-function-is-called-in-C++-programming
* https://stackoverflow.com/questions/2053029/how-exactly-does-attribute-constructor-work
===== nostartfiles programs