diff options
Diffstat (limited to 'contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp | 88 |
1 files changed, 53 insertions, 35 deletions
diff --git a/contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp b/contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp index 741b273..61c96f1 100644 --- a/contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp +++ b/contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MachObjectWriter.cpp @@ -90,9 +90,11 @@ bool AArch64MachObjectWriter::getAArch64FixupKindMachOInfo( Log2Size = llvm::Log2_32(4); // This encompasses the relocation for the whole 21-bit value. switch (Sym->getKind()) { - default: - Asm.getContext().reportFatalError(Fixup.getLoc(), - "ADR/ADRP relocations must be GOT relative"); + default: { + Asm.getContext().reportError(Fixup.getLoc(), + "ADR/ADRP relocations must be GOT relative"); + return false; + } case MCSymbolRefExpr::VK_PAGE: RelocType = unsigned(MachO::ARM64_RELOC_PAGE21); return true; @@ -170,25 +172,25 @@ void AArch64MachObjectWriter::recordRelocation( // assembler local symbols. If we got here, that's not what we have, // so complain loudly. if (Kind == AArch64::fixup_aarch64_pcrel_branch19) { - Asm.getContext().reportFatalError(Fixup.getLoc(), - "conditional branch requires assembler-local" - " label. '" + - Target.getSymA()->getSymbol().getName() + - "' is external."); + Asm.getContext().reportError(Fixup.getLoc(), + "conditional branch requires assembler-local" + " label. '" + + Target.getSymA()->getSymbol().getName() + + "' is external."); return; } // 14-bit branch relocations should only target internal labels, and so // should never get here. if (Kind == AArch64::fixup_aarch64_pcrel_branch14) { - Asm.getContext().reportFatalError(Fixup.getLoc(), - "Invalid relocation on conditional branch!"); + Asm.getContext().reportError(Fixup.getLoc(), + "Invalid relocation on conditional branch!"); return; } if (!getAArch64FixupKindMachOInfo(Fixup, Type, Target.getSymA(), Log2Size, - Asm)) { - Asm.getContext().reportFatalError(Fixup.getLoc(), "unknown AArch64 fixup kind!"); + Asm)) { + Asm.getContext().reportError(Fixup.getLoc(), "unknown AArch64 fixup kind!"); return; } @@ -200,8 +202,9 @@ void AArch64MachObjectWriter::recordRelocation( Type = MachO::ARM64_RELOC_UNSIGNED; if (IsPCRel) { - Asm.getContext().reportFatalError(Fixup.getLoc(), - "PC relative absolute relocation!"); + Asm.getContext().reportError(Fixup.getLoc(), + "PC relative absolute relocation!"); + return; // FIXME: x86_64 sets the type to a branch reloc here. Should we do // something similar? @@ -229,16 +232,20 @@ void AArch64MachObjectWriter::recordRelocation( Writer->addRelocation(A_Base, Fragment->getParent(), MRE); return; } else if (Target.getSymA()->getKind() != MCSymbolRefExpr::VK_None || - Target.getSymB()->getKind() != MCSymbolRefExpr::VK_None) + Target.getSymB()->getKind() != MCSymbolRefExpr::VK_None) { // Otherwise, neither symbol can be modified. - Asm.getContext().reportFatalError(Fixup.getLoc(), - "unsupported relocation of modified symbol"); + Asm.getContext().reportError(Fixup.getLoc(), + "unsupported relocation of modified symbol"); + return; + } // We don't support PCrel relocations of differences. - if (IsPCRel) - Asm.getContext().reportFatalError(Fixup.getLoc(), - "unsupported pc-relative relocation of " - "difference"); + if (IsPCRel) { + Asm.getContext().reportError(Fixup.getLoc(), + "unsupported pc-relative relocation of " + "difference"); + return; + } // AArch64 always uses external relocations. If there is no symbol to use as // a base address (a local symbol with no preceding non-local symbol), @@ -246,20 +253,26 @@ void AArch64MachObjectWriter::recordRelocation( // // FIXME: We should probably just synthesize an external symbol and use // that. - if (!A_Base) - Asm.getContext().reportFatalError( + if (!A_Base) { + Asm.getContext().reportError( Fixup.getLoc(), "unsupported relocation of local symbol '" + A->getName() + "'. Must have non-local symbol earlier in section."); - if (!B_Base) - Asm.getContext().reportFatalError( + return; + } + if (!B_Base) { + Asm.getContext().reportError( Fixup.getLoc(), "unsupported relocation of local symbol '" + B->getName() + "'. Must have non-local symbol earlier in section."); + return; + } - if (A_Base == B_Base && A_Base) - Asm.getContext().reportFatalError(Fixup.getLoc(), - "unsupported relocation with identical base"); + if (A_Base == B_Base && A_Base) { + Asm.getContext().reportError( + Fixup.getLoc(), "unsupported relocation with identical base"); + return; + } Value += (!A->getFragment() ? 0 : Writer->getSymbolAddress(*A, Layout)) - (!A_Base || !A_Base->getFragment() ? 0 : Writer->getSymbolAddress( @@ -309,10 +322,12 @@ void AArch64MachObjectWriter::recordRelocation( // we need to preserve and merge with the new Target? How about // the FixedValue? if (!Symbol->getVariableValue()->evaluateAsRelocatable(Target, &Layout, - &Fixup)) - Asm.getContext().reportFatalError(Fixup.getLoc(), - "unable to resolve variable '" + - Symbol->getName() + "'"); + &Fixup)) { + Asm.getContext().reportError(Fixup.getLoc(), + "unable to resolve variable '" + + Symbol->getName() + "'"); + return; + } return recordRelocation(Writer, Asm, Layout, Fragment, Fixup, Target, FixedValue); } @@ -337,11 +352,13 @@ void AArch64MachObjectWriter::recordRelocation( Value += Layout.getSymbolOffset(*Symbol) - Layout.getSymbolOffset(*Base); } else if (Symbol->isInSection()) { - if (!CanUseLocalRelocation) - Asm.getContext().reportFatalError( + if (!CanUseLocalRelocation) { + Asm.getContext().reportError( Fixup.getLoc(), "unsupported relocation of local symbol '" + Symbol->getName() + "'. Must have non-local symbol earlier in section."); + return; + } // Adjust the relocation to be section-relative. // The index is the section ordinal (1-based). const MCSection &Sec = Symbol->getSection(); @@ -361,9 +378,10 @@ void AArch64MachObjectWriter::recordRelocation( return; } } - Asm.getContext().reportFatalError(Fixup.getLoc(), + Asm.getContext().reportError(Fixup.getLoc(), "unsupported relocation of variable '" + Symbol->getName() + "'"); + return; } } |