On 2018-07-25 15:29 +0530, Gampu Z wrote: > Is there any way I can instruct GCC to insert call to memcpy and not to > memcpy@PLT? >From <https://gcc.gnu.org/onlinedocs/gcc-8.1.0/gcc/Code-Gen-Options.html>: > -fno-plt > Do not use the PLT for external function calls in position-independent code. > Instead, load the callee address at call sites from the GOT and branch to it. > This leads to more efficient code by eliminating PLT stubs and exposing GOT > loads to optimizations. On architectures such as 32-bit x86 where PLT stubs > expect the GOT pointer in a specific register, this gives more register > allocation freedom to the compiler. Lazy binding requires use of the PLT; > with -fno-plt all external symbols are resolved at load time. -- Xi Ruoyao <ryxi@xxxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
