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author | dim <dim@FreeBSD.org> | 2011-02-26 22:03:50 +0000 |
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committer | dim <dim@FreeBSD.org> | 2011-02-26 22:03:50 +0000 |
commit | c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc (patch) | |
tree | ddf53b8bd9235bcb0b8aae16c5e22310dcdad665 /lib/MC/MCDisassembler/EDOperand.cpp | |
parent | cbb70ce070d220642b038ea101d9c0f9fbf860d6 (diff) | |
download | FreeBSD-src-c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc.zip FreeBSD-src-c80ac9d286b8fcc6d1ee5d76048134cf80aa9edc.tar.gz |
Vendor import of llvm trunk r126547:
http://llvm.org/svn/llvm-project/llvm/trunk@126547
Diffstat (limited to 'lib/MC/MCDisassembler/EDOperand.cpp')
-rw-r--r-- | lib/MC/MCDisassembler/EDOperand.cpp | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/MC/MCDisassembler/EDOperand.cpp b/lib/MC/MCDisassembler/EDOperand.cpp index cfeb56f..2b0c73e 100644 --- a/lib/MC/MCDisassembler/EDOperand.cpp +++ b/lib/MC/MCDisassembler/EDOperand.cpp @@ -152,10 +152,23 @@ int EDOperand::evaluate(uint64_t &result, uint64_t scaleAmount = Inst.Inst->getOperand(MCOpIndex+1).getImm(); unsigned indexReg = Inst.Inst->getOperand(MCOpIndex+2).getReg(); int64_t displacement = Inst.Inst->getOperand(MCOpIndex+3).getImm(); - //unsigned segmentReg = Inst.Inst->getOperand(MCOpIndex+4).getReg(); - + uint64_t addr = 0; + unsigned segmentReg = Inst.Inst->getOperand(MCOpIndex+4).getReg(); + + if (segmentReg != 0 && Disassembler.Key.Arch == Triple::x86_64) { + unsigned fsID = Disassembler.registerIDWithName("FS"); + unsigned gsID = Disassembler.registerIDWithName("GS"); + + if (segmentReg == fsID || + segmentReg == gsID) { + uint64_t segmentBase; + if (!callback(&segmentBase, segmentReg, arg)) + addr += segmentBase; + } + } + if (baseReg) { uint64_t baseVal; if (callback(&baseVal, baseReg, arg)) @@ -175,7 +188,7 @@ int EDOperand::evaluate(uint64_t &result, result = addr; return 0; } - } + } // switch (operandType) break; case Triple::arm: case Triple::thumb: @@ -203,6 +216,7 @@ int EDOperand::evaluate(uint64_t &result, return 0; } } + break; } return -1; |