path=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
self.child = pexpect.spawn(path)
self.child.logfile = file("gdb.log", "w")
path=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
self.child = pexpect.spawn(path)
self.child.logfile = file("gdb.log", "w")