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| author | Martin Storsjo <martin@martin.st> | 2018-09-04 20:56:21 +0000 |
|---|---|---|
| committer | Martin Storsjo <martin@martin.st> | 2018-09-04 20:56:21 +0000 |
| commit | fed420d6b6769bc0b97755345f1072fcb530fb89 (patch) | |
| tree | 9d132a67f05e32268f05a47bfdb53238162f8d91 /llvm/lib/Target/AArch64/AArch64Subtarget.cpp | |
| parent | 792a4f8a21f0becbdcaa5df5912b21b1e27b5e50 (diff) | |
| download | bcm5719-llvm-fed420d6b6769bc0b97755345f1072fcb530fb89.tar.gz bcm5719-llvm-fed420d6b6769bc0b97755345f1072fcb530fb89.zip | |
[MinGW] [AArch64] Add stubs for potential automatic dllimported variables
The runtime pseudo relocations can't handle the AArch64 format PC
relative addressing in adrp+add/ldr pairs. By using stubs, the potentially
dllimported addresses can be touched up by the runtime pseudo relocation
framework.
Differential Revision: https://reviews.llvm.org/D51452
llvm-svn: 341401
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64Subtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64Subtarget.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp index be655e3482c..78eb3470e64 100644 --- a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp +++ b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp @@ -196,8 +196,13 @@ AArch64Subtarget::ClassifyGlobalReference(const GlobalValue *GV, if (TM.getCodeModel() == CodeModel::Large && isTargetMachO()) return AArch64II::MO_GOT; - unsigned Flags = GV->hasDLLImportStorageClass() ? AArch64II::MO_DLLIMPORT - : AArch64II::MO_NO_FLAG; + unsigned Flags = AArch64II::MO_NO_FLAG; + if (GV->hasDLLImportStorageClass()) + Flags = AArch64II::MO_DLLIMPORT; + else if (getTargetTriple().isWindowsGNUEnvironment() && + !GV->isDSOLocal() && GV->isDeclarationForLinker() && + isa<GlobalVariable>(GV)) + Flags = AArch64II::MO_COFFSTUB | AArch64II::MO_GOT; if (!TM.shouldAssumeDSOLocal(*GV->getParent(), GV)) return AArch64II::MO_GOT | Flags; |
