diff options
| author | Tim Northover <Tim.Northover@arm.com> | 2013-05-04 20:13:59 +0000 |
|---|---|---|
| committer | Tim Northover <Tim.Northover@arm.com> | 2013-05-04 20:13:59 +0000 |
| commit | 85829bb98a998cff8f364c12d172da948ca225f4 (patch) | |
| tree | 05042b20268e548dd01288ce473a22479bc6d32d /lib/Target/AArch64/MCTargetDesc | |
| parent | bd121f5b3ab3703527b810be1dc38e15a6f8944a (diff) | |
| download | llvm-85829bb98a998cff8f364c12d172da948ca225f4.tar.gz llvm-85829bb98a998cff8f364c12d172da948ca225f4.tar.bz2 llvm-85829bb98a998cff8f364c12d172da948ca225f4.tar.xz | |
AArch64: implement first relocation required for MCJIT
R_AARCH64_PCREL32 is present in even trivial .eh_frame sections and so
is required to compile any function without the "nounwind" attribute.
This change implements very basic infrastructure in the RuntimeDyldELF
file and allows (for example) the test-shift.ll MCJIT test to pass
on AArch64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181131 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64/MCTargetDesc')
| -rw-r--r-- | lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp index 7960db08c8..819eeadb44 100644 --- a/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp +++ b/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp @@ -81,6 +81,12 @@ static MCCodeGenInfo *createAArch64MCCodeGenInfo(StringRef TT, Reloc::Model RM, if (CM == CodeModel::Default) CM = CodeModel::Small; + else if (CM == CodeModel::JITDefault) { + // The default MCJIT memory managers make no guarantees about where they can + // find an executable page; JITed code needs to be able to refer to globals + // no matter how far away they are. + CM = CodeModel::Large; + } X->InitMCCodeGenInfo(RM, CM, OL); return X; |