Since the relocation iterator walks only the relocations in one section, we
can just use a pointer and avoid fetching information about the section at
every reference.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180262
91177308-0d34-0410-b5e6-
96231b3b80d8
}
relocation_iterator MachOObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
}
relocation_iterator MachOObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
- DataRefImpl ret;
- ret.d.b = Sec.d.a;
- return relocation_iterator(RelocationRef(ret, this));
+ uint32_t Offset;
+ if (is64Bit()) {
+ macho::Section64 Sect = getSection64(Sec);
+ Offset = Sect.RelocationTableOffset;
+ } else {
+ macho::Section Sect = getSection(Sec);
+ Offset = Sect.RelocationTableOffset;
+ }
+
+ DataRefImpl Ret;
+ Ret.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+ return relocation_iterator(RelocationRef(Ret, this));
}
relocation_iterator
MachOObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
}
relocation_iterator
MachOObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
+ uint32_t Offset;
+ uint32_t Num;
if (is64Bit()) {
macho::Section64 Sect = getSection64(Sec);
if (is64Bit()) {
macho::Section64 Sect = getSection64(Sec);
- LastReloc = Sect.NumRelocationTableEntries;
+ Offset = Sect.RelocationTableOffset;
+ Num = Sect.NumRelocationTableEntries;
} else {
macho::Section Sect = getSection(Sec);
} else {
macho::Section Sect = getSection(Sec);
- LastReloc = Sect.NumRelocationTableEntries;
+ Offset = Sect.RelocationTableOffset;
+ Num = Sect.NumRelocationTableEntries;
+ const macho::RelocationEntry *P =
+ reinterpret_cast<const macho::RelocationEntry*>(getPtr(this, Offset));
+
- Ret.d.a = LastReloc;
- Ret.d.b = Sec.d.a;
+ Ret.p = reinterpret_cast<uintptr_t>(P + Num);
return relocation_iterator(RelocationRef(Ret, this));
}
return relocation_iterator(RelocationRef(Ret, this));
}
- error_code MachOObjectFile::getRelocationNext(DataRefImpl Rel,
- RelocationRef &Res) const {
- ++Rel.d.a;
+error_code MachOObjectFile::getRelocationNext(DataRefImpl Rel,
+ RelocationRef &Res) const {
+ const macho::RelocationEntry *P =
+ reinterpret_cast<const macho::RelocationEntry *>(Rel.p);
+ Rel.p = reinterpret_cast<uintptr_t>(P + 1);
Res = RelocationRef(Rel, this);
return object_error::success;
}
Res = RelocationRef(Rel, this);
return object_error::success;
}
macho::RelocationEntry
MachOObjectFile::getRelocation(DataRefImpl Rel) const {
macho::RelocationEntry
MachOObjectFile::getRelocation(DataRefImpl Rel) const {
- uint32_t RelOffset;
- DataRefImpl Sec;
- Sec.d.a = Rel.d.b;
- if (is64Bit()) {
- macho::Section64 Sect = getSection64(Sec);
- RelOffset = Sect.RelocationTableOffset;
- } else {
- macho::Section Sect = getSection(Sec);
- RelOffset = Sect.RelocationTableOffset;
- }
-
- uint64_t Offset = RelOffset + Rel.d.a * sizeof(macho::RelocationEntry);
- return getStruct<macho::RelocationEntry>(this, getPtr(this, Offset));
+ const char *P = reinterpret_cast<const char *>(Rel.p);
+ return getStruct<macho::RelocationEntry>(this, P);
}
macho::Header MachOObjectFile::getHeader() const {
}
macho::Header MachOObjectFile::getHeader() const {