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-rw-r--r--ELF/EhFrame.cpp30
1 files changed, 14 insertions, 16 deletions
diff --git a/ELF/EhFrame.cpp b/ELF/EhFrame.cpp
index 2428473d9012..90be30a5f0f9 100644
--- a/ELF/EhFrame.cpp
+++ b/ELF/EhFrame.cpp
@@ -38,13 +38,14 @@ using namespace lld::elf;
namespace {
template <class ELFT> class EhReader {
public:
- EhReader(InputSectionBase<ELFT> *S, ArrayRef<uint8_t> D) : IS(S), D(D) {}
+ EhReader(InputSectionBase *S, ArrayRef<uint8_t> D) : IS(S), D(D) {}
size_t readEhRecordSize();
uint8_t getFdeEncoding();
private:
template <class P> void failOn(const P *Loc, const Twine &Msg) {
- fatal(IS->getLocation((const uint8_t *)Loc - IS->Data.data()) + ": " + Msg);
+ fatal("corrupted .eh_frame: " + Msg + "\n>>> defined in " +
+ IS->getObjMsg<ELFT>((const uint8_t *)Loc - IS->Data.data()));
}
uint8_t readByte();
@@ -53,15 +54,16 @@ private:
void skipLeb128();
void skipAugP();
- InputSectionBase<ELFT> *IS;
+ InputSectionBase *IS;
ArrayRef<uint8_t> D;
};
}
template <class ELFT>
-size_t elf::readEhRecordSize(InputSectionBase<ELFT> *S, size_t Off) {
+size_t elf::readEhRecordSize(InputSectionBase *S, size_t Off) {
return EhReader<ELFT>(S, S->Data.slice(Off)).readEhRecordSize();
}
+
// .eh_frame section is a sequence of records. Each record starts with
// a 4 byte length field. This function reads the length.
template <class ELFT> size_t EhReader<ELFT>::readEhRecordSize() {
@@ -121,11 +123,11 @@ template <class ELFT> void EhReader<ELFT>::skipLeb128() {
failOn(ErrPos, "corrupted CIE (failed to read LEB128)");
}
-template <class ELFT> static size_t getAugPSize(unsigned Enc) {
+static size_t getAugPSize(unsigned Enc) {
switch (Enc & 0x0f) {
case DW_EH_PE_absptr:
case DW_EH_PE_signed:
- return ELFT::Is64Bits ? 8 : 4;
+ return Config->Wordsize;
case DW_EH_PE_udata2:
case DW_EH_PE_sdata2:
return 2;
@@ -143,7 +145,7 @@ template <class ELFT> void EhReader<ELFT>::skipAugP() {
uint8_t Enc = readByte();
if ((Enc & 0xf0) == DW_EH_PE_aligned)
failOn(D.data() - 1, "DW_EH_PE_aligned encoding is not supported");
- size_t Size = getAugPSize<ELFT>(Enc);
+ size_t Size = getAugPSize(Enc);
if (Size == 0)
failOn(D.data() - 1, "unknown FDE encoding");
if (Size >= D.size())
@@ -152,7 +154,7 @@ template <class ELFT> void EhReader<ELFT>::skipAugP() {
}
template <class ELFT> uint8_t elf::getFdeEncoding(EhSectionPiece *P) {
- auto *IS = static_cast<InputSectionBase<ELFT> *>(P->ID);
+ auto *IS = static_cast<InputSectionBase *>(P->ID);
return EhReader<ELFT>(IS, P->data()).getFdeEncoding();
}
@@ -199,14 +201,10 @@ template <class ELFT> uint8_t EhReader<ELFT>::getFdeEncoding() {
return DW_EH_PE_absptr;
}
-template size_t elf::readEhRecordSize<ELF32LE>(InputSectionBase<ELF32LE> *S,
- size_t Off);
-template size_t elf::readEhRecordSize<ELF32BE>(InputSectionBase<ELF32BE> *S,
- size_t Off);
-template size_t elf::readEhRecordSize<ELF64LE>(InputSectionBase<ELF64LE> *S,
- size_t Off);
-template size_t elf::readEhRecordSize<ELF64BE>(InputSectionBase<ELF64BE> *S,
- size_t Off);
+template size_t elf::readEhRecordSize<ELF32LE>(InputSectionBase *S, size_t Off);
+template size_t elf::readEhRecordSize<ELF32BE>(InputSectionBase *S, size_t Off);
+template size_t elf::readEhRecordSize<ELF64LE>(InputSectionBase *S, size_t Off);
+template size_t elf::readEhRecordSize<ELF64BE>(InputSectionBase *S, size_t Off);
template uint8_t elf::getFdeEncoding<ELF32LE>(EhSectionPiece *P);
template uint8_t elf::getFdeEncoding<ELF32BE>(EhSectionPiece *P);