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AArch64/ARM64: port across stub handling for ELF C++ exceptions.

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The most important part here is that we should actuall emit the stubs we refer
to in the exception table, but as a side issue this uses more sensible & GCC
compatible representations for some of the bits of information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206380 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover
2014-04-16 11:52:55 +00:00
parent fef8e383eb
commit 1a44333f0e
3 changed files with 39 additions and 6 deletions
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5
lib/MC/MCObjectFileInfo.cpp
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@ -289,8 +289,9 @@ void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
TTypeEncoding = (CMModel == CodeModel::Small)
? dwarf::DW_EH_PE_udata4 : dwarf::DW_EH_PE_absptr;
}
} else if (T.getArch() == Triple::aarch64 ||
T.getArch() == Triple::aarch64_be ) {
} else if (T.getArch() == Triple::aarch64 ||
T.getArch() == Triple::aarch64_be ||
T.getArch() == Triple::arm64) {
// The small model guarantees static code/data size < 4GB, but not where it
// will be in memory. Most of these could end up >2GB away so even a signed
// pc-relative 32-bit address is insufficient, theoretically.