diff options
Diffstat (limited to 'llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp index 97e15be649e..546601e09dd 100644 --- a/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp +++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp @@ -748,13 +748,18 @@ void ARMAsmBackend::processFixupValue(const MCAssembler &Asm, // linker can handle it. GNU AS produces an error in this case. if (Sym->isExternal() || Value >= 0x400004) IsResolved = false; - // When an ARM function is called from a Thumb function, produce a - // relocation so the linker will use the correct branch instruction for ELF - // binaries. - if (Sym->isELF()) { - unsigned Type = dyn_cast<MCSymbolELF>(Sym)->getType(); - if ((Type == ELF::STT_FUNC || Type == ELF::STT_GNU_IFUNC) && - !Asm.isThumbFunc(Sym)) + } + // Create relocations for unconditional branches to function symbols with + // different execution mode in ELF binaries. + if (Sym && Sym->isELF()) { + unsigned Type = dyn_cast<MCSymbolELF>(Sym)->getType(); + if ((Type == ELF::STT_FUNC || Type == ELF::STT_GNU_IFUNC)) { + unsigned FixupKind = Fixup.getKind() ; + if (Asm.isThumbFunc(Sym) && (FixupKind == ARM::fixup_arm_uncondbranch)) + IsResolved = false; + if (!Asm.isThumbFunc(Sym) && (FixupKind == ARM::fixup_arm_thumb_br || + FixupKind == ARM::fixup_arm_thumb_bl || + FixupKind == ARM::fixup_t2_uncondbranch)) IsResolved = false; } } |

