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//===- Relocations.cpp ----------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "Relocations.h"
#include "Symbols.h"
#include "SyntheticSections.h"
#include "Target.h"
#include "lld/Common/ErrorHandler.h"
using namespace llvm;
using namespace lld;
using namespace lld::macho;
bool macho::validateSymbolRelocation(const Symbol *sym,
const InputSection *isec, const Reloc &r) {
const RelocAttrs &relocAttrs = target->getRelocAttrs(r.type);
bool valid = true;
auto message = [relocAttrs, sym, isec, &valid](const Twine &diagnostic) {
valid = false;
return (relocAttrs.name + " relocation " + diagnostic + " for `" +
sym->getName() + "' in " + toString(isec))
.str();
};
if (relocAttrs.hasAttr(RelocAttrBits::TLV) != sym->isTlv())
error(message(Twine("requires that variable ") +
(sym->isTlv() ? "not " : "") + "be thread-local"));
return valid;
}
void macho::reportRangeError(const Reloc &r, const Twine &v, uint8_t bits,
int64_t min, uint64_t max) {
std::string hint;
if (auto *sym = r.referent.dyn_cast<Symbol *>())
hint = "; references " + toString(*sym);
// TODO: get location of reloc using something like LLD-ELF's getErrorPlace()
error("relocation " + target->getRelocAttrs(r.type).name +
" is out of range: " + v + " is not in [" + Twine(min) + ", " +
Twine(max) + "]" + hint);
}
void macho::reportRangeError(SymbolDiagnostic d, const Twine &v, uint8_t bits,
int64_t min, uint64_t max) {
std::string hint;
if (d.symbol)
hint = "; references " + toString(*d.symbol);
error(d.reason + " is out of range: " + v + " is not in [" + Twine(min) +
", " + Twine(max) + "]" + hint);
}
const RelocAttrs macho::invalidRelocAttrs{"INVALID", RelocAttrBits::_0};
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