a.cpp
----------------------------------
#include <iostream>
using namespace std;
void mymain() {
cout<<"my-main"<<endl;
}
----------------------------------
I'm trying to start my program at mymain than the standard main ..
So I compiled a.cpp to a.o &
I executed :
g++ -Wl,-emymain a.o
That did not work as the linker said it could not find the symbol. So
I used name mangler (nm) to demangle a.o
g++ -Wl,-emymain__Fv a.o
Now the linker says:
/usr/lib/crt1.o(.text+0x18): In function `_start':
: undefined reference to `main'
collect2: ld returned 1 exit status
I also tried the following
g++ -Wl,--verbose -Wl,-emymain__Fv -Wl,--defsym -Wl,start=mymain__Fv
a.o
g++ -Wl,--verbose -Wl,-emymain__Fv -Wl,--defsym -Wl,_start=mymain__Fv
a.o
Still no use..
What mistake am I making here ?
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