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Diffstat (limited to 'llvm/lib/Object/MachOObjectFile.cpp')
-rw-r--r--llvm/lib/Object/MachOObjectFile.cpp217
1 files changed, 9 insertions, 208 deletions
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index cd9c06b..f7384e0 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -31,216 +31,17 @@ namespace llvm {
namespace object {
-struct nlist_base {
- uint32_t n_strx;
- uint8_t n_type;
- uint8_t n_sect;
- uint16_t n_desc;
-};
-
struct section_base {
char sectname[16];
char segname[16];
};
template<typename T>
-static void SwapStruct(T &Value);
-
-template<>
-void SwapStruct(MachO::any_relocation_info &H) {
- sys::swapByteOrder(H.r_word0);
- sys::swapByteOrder(H.r_word1);
-}
-
-template<>
-void SwapStruct(MachO::load_command &L) {
- sys::swapByteOrder(L.cmd);
- sys::swapByteOrder(L.cmdsize);
-}
-
-template<>
-void SwapStruct(nlist_base &S) {
- sys::swapByteOrder(S.n_strx);
- sys::swapByteOrder(S.n_desc);
-}
-
-template<>
-void SwapStruct(MachO::section &S) {
- sys::swapByteOrder(S.addr);
- sys::swapByteOrder(S.size);
- sys::swapByteOrder(S.offset);
- sys::swapByteOrder(S.align);
- sys::swapByteOrder(S.reloff);
- sys::swapByteOrder(S.nreloc);
- sys::swapByteOrder(S.flags);
- sys::swapByteOrder(S.reserved1);
- sys::swapByteOrder(S.reserved2);
-}
-
-template<>
-void SwapStruct(MachO::section_64 &S) {
- sys::swapByteOrder(S.addr);
- sys::swapByteOrder(S.size);
- sys::swapByteOrder(S.offset);
- sys::swapByteOrder(S.align);
- sys::swapByteOrder(S.reloff);
- sys::swapByteOrder(S.nreloc);
- sys::swapByteOrder(S.flags);
- sys::swapByteOrder(S.reserved1);
- sys::swapByteOrder(S.reserved2);
- sys::swapByteOrder(S.reserved3);
-}
-
-template<>
-void SwapStruct(MachO::nlist &S) {
- sys::swapByteOrder(S.n_strx);
- sys::swapByteOrder(S.n_desc);
- sys::swapByteOrder(S.n_value);
-}
-
-template<>
-void SwapStruct(MachO::nlist_64 &S) {
- sys::swapByteOrder(S.n_strx);
- sys::swapByteOrder(S.n_desc);
- sys::swapByteOrder(S.n_value);
-}
-
-template<>
-void SwapStruct(MachO::mach_header &H) {
- sys::swapByteOrder(H.magic);
- sys::swapByteOrder(H.cputype);
- sys::swapByteOrder(H.cpusubtype);
- sys::swapByteOrder(H.filetype);
- sys::swapByteOrder(H.ncmds);
- sys::swapByteOrder(H.sizeofcmds);
- sys::swapByteOrder(H.flags);
-}
-
-template<>
-void SwapStruct(MachO::mach_header_64 &H) {
- sys::swapByteOrder(H.magic);
- sys::swapByteOrder(H.cputype);
- sys::swapByteOrder(H.cpusubtype);
- sys::swapByteOrder(H.filetype);
- sys::swapByteOrder(H.ncmds);
- sys::swapByteOrder(H.sizeofcmds);
- sys::swapByteOrder(H.flags);
- sys::swapByteOrder(H.reserved);
-}
-
-template<>
-void SwapStruct(MachO::symtab_command &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.symoff);
- sys::swapByteOrder(C.nsyms);
- sys::swapByteOrder(C.stroff);
- sys::swapByteOrder(C.strsize);
-}
-
-template<>
-void SwapStruct(MachO::dysymtab_command &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.ilocalsym);
- sys::swapByteOrder(C.nlocalsym);
- sys::swapByteOrder(C.iextdefsym);
- sys::swapByteOrder(C.nextdefsym);
- sys::swapByteOrder(C.iundefsym);
- sys::swapByteOrder(C.nundefsym);
- sys::swapByteOrder(C.tocoff);
- sys::swapByteOrder(C.ntoc);
- sys::swapByteOrder(C.modtaboff);
- sys::swapByteOrder(C.nmodtab);
- sys::swapByteOrder(C.extrefsymoff);
- sys::swapByteOrder(C.nextrefsyms);
- sys::swapByteOrder(C.indirectsymoff);
- sys::swapByteOrder(C.nindirectsyms);
- sys::swapByteOrder(C.extreloff);
- sys::swapByteOrder(C.nextrel);
- sys::swapByteOrder(C.locreloff);
- sys::swapByteOrder(C.nlocrel);
-}
-
-template<>
-void SwapStruct(MachO::linkedit_data_command &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.dataoff);
- sys::swapByteOrder(C.datasize);
-}
-
-template<>
-void SwapStruct(MachO::segment_command &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.vmaddr);
- sys::swapByteOrder(C.vmsize);
- sys::swapByteOrder(C.fileoff);
- sys::swapByteOrder(C.filesize);
- sys::swapByteOrder(C.maxprot);
- sys::swapByteOrder(C.initprot);
- sys::swapByteOrder(C.nsects);
- sys::swapByteOrder(C.flags);
-}
-
-template<>
-void SwapStruct(MachO::segment_command_64 &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.vmaddr);
- sys::swapByteOrder(C.vmsize);
- sys::swapByteOrder(C.fileoff);
- sys::swapByteOrder(C.filesize);
- sys::swapByteOrder(C.maxprot);
- sys::swapByteOrder(C.initprot);
- sys::swapByteOrder(C.nsects);
- sys::swapByteOrder(C.flags);
-}
-
-template<>
-void SwapStruct(uint32_t &C) {
- sys::swapByteOrder(C);
-}
-
-template<>
-void SwapStruct(MachO::linker_options_command &C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.count);
-}
-
-template<>
-void SwapStruct(MachO::version_min_command&C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.version);
- sys::swapByteOrder(C.reserved);
-}
-
-template<>
-void SwapStruct(MachO::dylib_command&C) {
- sys::swapByteOrder(C.cmd);
- sys::swapByteOrder(C.cmdsize);
- sys::swapByteOrder(C.dylib.name);
- sys::swapByteOrder(C.dylib.timestamp);
- sys::swapByteOrder(C.dylib.current_version);
- sys::swapByteOrder(C.dylib.compatibility_version);
-}
-
-template<>
-void SwapStruct(MachO::data_in_code_entry &C) {
- sys::swapByteOrder(C.offset);
- sys::swapByteOrder(C.length);
- sys::swapByteOrder(C.kind);
-}
-
-template<typename T>
T getStruct(const MachOObjectFile *O, const char *P) {
T Cmd;
memcpy(&Cmd, P, sizeof(T));
if (O->isLittleEndian() != sys::IsLittleEndianHost)
- SwapStruct(Cmd);
+ MachO::swapStruct(Cmd);
return Cmd;
}
@@ -274,10 +75,10 @@ static const char *getPtr(const MachOObjectFile *O, size_t Offset) {
return O->getData().substr(Offset, 1).data();
}
-static nlist_base
+static MachO::nlist_base
getSymbolTableEntryBase(const MachOObjectFile *O, DataRefImpl DRI) {
const char *P = reinterpret_cast<const char *>(DRI.p);
- return getStruct<nlist_base>(O, P);
+ return getStruct<MachO::nlist_base>(O, P);
}
static StringRef parseSegmentOrSectionName(const char *P) {
@@ -474,7 +275,7 @@ void MachOObjectFile::moveSymbolNext(DataRefImpl &Symb) const {
std::error_code MachOObjectFile::getSymbolName(DataRefImpl Symb,
StringRef &Res) const {
StringRef StringTable = getStringTableData();
- nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
const char *Start = &StringTable.data()[Entry.n_strx];
Res = StringRef(Start);
return object_error::success;
@@ -528,7 +329,7 @@ std::error_code MachOObjectFile::getSymbolAlignment(DataRefImpl DRI,
uint32_t &Result) const {
uint32_t flags = getSymbolFlags(DRI);
if (flags & SymbolRef::SF_Common) {
- nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
Result = 1 << MachO::GET_COMM_ALIGN(Entry.n_desc);
} else {
Result = 0;
@@ -542,7 +343,7 @@ std::error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
uint64_t EndOffset = 0;
uint8_t SectionIndex;
- nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
uint64_t Value;
getSymbolAddress(DRI, Value);
if (Value == UnknownAddressOrSize) {
@@ -587,7 +388,7 @@ std::error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
std::error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,
SymbolRef::Type &Res) const {
- nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
uint8_t n_type = Entry.n_type;
Res = SymbolRef::ST_Other;
@@ -610,7 +411,7 @@ std::error_code MachOObjectFile::getSymbolType(DataRefImpl Symb,
}
uint32_t MachOObjectFile::getSymbolFlags(DataRefImpl DRI) const {
- nlist_base Entry = getSymbolTableEntryBase(this, DRI);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, DRI);
uint8_t MachOType = Entry.n_type;
uint16_t MachOFlags = Entry.n_desc;
@@ -647,7 +448,7 @@ uint32_t MachOObjectFile::getSymbolFlags(DataRefImpl DRI) const {
std::error_code MachOObjectFile::getSymbolSection(DataRefImpl Symb,
section_iterator &Res) const {
- nlist_base Entry = getSymbolTableEntryBase(this, Symb);
+ MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
uint8_t index = Entry.n_sect;
if (index == 0) {
generated by cgit v1.1 at 2025-10-09 21:46:04 +0000