ELF64 segment definitions for TLS
ELF64 segment definitions for TLS

Add default definitions for .tdata & .tbss sections
Add definition for SHF_TLS section header flag
Add support for "tls" keyword on section statement

turingstudio/nasm,letolabs/nasm,letolabs/nasm,turingstudio/nasm,Distrotech/nasm,projedi/nasm,turingstudio/nasm,projedi/nasm,turingstudio/nasm,letolabs/nasm,techkey/nasm,techkey/nasm,techkey/nasm,projedi/nasm,techkey/nasm,techkey/nasm,projedi/nasm,Distrotech/nasm,Distrotech/nasm,projedi/nasm,Distrotech/nasm