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When built as nexe, llc is configured and built for one arch only.
Variables FlagSfiData, FlagSfiLoad, FlagSfiStore, FlagSfiStack, and
FlagSfiBranch have to availabe for MIPS as well, so this change moves
them from ARM-only code to common code.
BUG= building pnacl-llc.nexe for MIPS fails
TEST= build sandboxed tools for MIPS
R=mseaborn@chromium.org
Review URL: https://codereview.chromium.org/46193002
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This change fixes some of the issues that came with recent merge with LLVM
trunk, and it removes some workarounds that are not needed anymore in the
code. In more details, it:
- removes hack to set ELF::EF_MIPS_PIC flag;
- checks whether __nacl_read_tp is defined in the module, as different
relocation(s) is used to calculate the address;
- marks Mips::JALRPseudo as indirect call in NaCl rewrite pass;
- fixes incorrect merge in MipsAsmPrinter.cpp and MipsMCTargetDesc.cpp.
BUG= https://code.google.com/p/nativeclient/issues/detail?id=2275
TEST= run smoke tests
Review URL: https://codereview.chromium.org/13601014
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Conflicts:
include/llvm/CodeGen/IntrinsicLowering.h
include/llvm/MC/MCAssembler.h
include/llvm/MC/MCObjectStreamer.h
lib/LLVMBuild.txt
lib/Linker/LinkArchives.cpp
lib/MC/MCAssembler.cpp
lib/MC/MCELFStreamer.cpp
lib/MC/MCParser/AsmParser.cpp
lib/MC/MCPureStreamer.cpp
lib/MC/WinCOFFStreamer.cpp
lib/Makefile
lib/Support/Unix/Memory.inc
lib/Support/Unix/Process.inc
lib/Support/Unix/Program.inc
lib/Target/ARM/ARM.h
lib/Target/ARM/ARMFastISel.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
lib/Target/Mips/MipsInstrFPU.td
lib/Target/X86/CMakeLists.txt
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86TargetMachine.cpp
lib/Target/X86/X86TargetObjectFile.cpp
lib/Transforms/InstCombine/InstCombineCalls.cpp
test/CodeGen/X86/fast-isel-x86-64.ll
tools/llc/llc.cpp
tools/lto/LTOModule.cpp
utils/TableGen/EDEmitter.cpp
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Register t8 is reserved for thread pointer, and it can not be changed.
Thus, the value it has can be trusted, it points to the safe data zone
and there is no need to guard it.
BUG= https://code.google.com/p/nativeclient/issues/detail?id=2275
TEST= run smoke tests
Review URL: https://codereview.chromium.org/11883035
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This change
- resolves conflicts from previous merges;
- prevents delay slot filler to use instructions that could be masked;
- generates calls to __nacl_read_tp to access thread pointer;
- removes previous (now obsolete) sandboxing code of unaligned loads and stores;
- propagates relocation model to MipsELFObjectWriter, so that it can set
flag ELF::EF_MIPS_PIC (small hack).
BUG= http://code.google.com/p/nativeclient/issues/detail?id=2275
TEST= pnacl/build.sh all
Review URL: https://codereview.chromium.org/11115013
Patch from Petar Jovanovic <petarj@mips.com>.
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