// Inform CodeBuffer that incoming code and relocation will be for stubs
address AbstractAssembler::start_a_const(int required_space, int required_align) {
CodeBuffer* cb = code();
CodeSection* cs = cb->consts();
assert(_code_section == cb->insts() || _code_section == cb->stubs(), "not in insts/stubs?");
address end = cs->end();
int pad = -(intptr_t)end & (required_align-1);
if (cs->maybe_expand_to_ensure_remaining(pad + required_space)) {
if (cb->blob() == NULL) return NULL;
end = cs->end(); // refresh pointer
}
if (pad > 0) {
while (--pad >= 0) { *end++ = 0; }
cs->set_end(end);
}
set_code_section(cs);
return end;
}
inline void AbstractAssembler::sync() {
CodeSection* cs = code_section();
guarantee(cs->start() == _code_begin, "must not shift code buffer");
cs->set_end(_code_pos);
}
