Linkers & Loaders – A Programmers Perspective. Agenda. Basic concepts Object Files Program Loading Linking with static libraries Linking with dynamic libraries. bar.c. foo.c. run preprocessor (cpp) & compiler proper (cc1). foo.s. bar.s. run assembler (as). foo.o. bar.o. linker.
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run preprocessor (cpp) & compiler proper (cc1)
run assembler (as)
a.out = fully linked executable
printf.o & fopen.o
fully linked executable object file
libfoo.so (position independent shared object)
Partially linked executable – dependency on libfoo.so
dynamic linker (ld-linux.so)
fully linked executable in memory