void Relocation::pd_set_data_value(address x, intptr_t o, bool verify_only) { // we don't support splitting of relocations, so o must be zero:
assert(o == 0, "tried to split relocations"); if (!verify_only) { switch (format()) { case relocInfo::uncompressed_format:
nativeMovConstReg_at(addr())->set_data_plain(((intptr_t)x) + o, code()); break; case relocInfo::compressed_format: if (type() == relocInfo::metadata_type)
nativeMovConstReg_at(addr())->set_narrow_klass(((intptr_t)x) + o); elseif (type() == relocInfo::oop_type)
nativeMovConstReg_at(addr())->set_narrow_oop(((intptr_t)x) + o); else
guarantee(false, "bad relocInfo type for relocInfo::narrow_oop_format"); break; case relocInfo::pcrel_addr_format: // patch target location
nativeMovConstReg_at(addr())->set_pcrel_addr(((intptr_t)x) + o, code()); break; case relocInfo::pcrel_data_format: // patch data at target location
nativeMovConstReg_at(addr())->set_pcrel_data(((intptr_t)x) + o, code()); break; default:
assert(false, "not a valid relocInfo format"); break;
}
} else { // TODO: Reading of narrow oops out of code stream is not implemented // (see nativeMovConstReg::data()). Implement this if you want to verify. // assert(x == (address) nativeMovConstReg_at(addr())->data(), "Instructions must match"); switch (format{ case relocInfo::uncompressed_format: break; case relocInfo::compressed_format: break; case relocInfo::pcrel_addr_format: break; case relocInfo::pcrel_data_format: break; default:
assert(false, "not a valid relocInfo format"); break;
}
}
}
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