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2010-04-14Fixed an assert() exposed by fuzzing. Now, instead of assert when an invalidJohnny Chen
instruction encoding is encountered, we just return a NULL ARMBasicMCBuilder instance and the client just returns false to indicate disassembly error. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101201 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-13Fixed a nasty layering violation in the edis sourceSean Callanan
code. It used to #include the enhanced disassembly information for the targets it supported straight out of lib/Target/{X86,ARM,...} but now it uses a new interface provided by MCDisassembler, and (so far) implemented by X86 and ARM. Also removed hacky #define-controlled initialization of targets in edis. If clients only want edis to initialize a limited set of targets, they can set --enable-targets on the configure command line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101179 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Missed this one line for the previous checkin to fix build warnings.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100697 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Fixed warnings pointed out by clang.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100696 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Fixed warnings pointed out by clang.Johnny Chen
Next to work on is ARMDisassemblerCore.cpp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100695 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Fixed 3 warnings pointed out by clang.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100693 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-07Re-enable ARM/Thumb disassembler and add a workaround for a memcpy() call inJohnny Chen
ARMDecoderEmitter.cpp, with FIXME comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100690 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Get rid of traling whitespaces. No functionality change.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100404 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05The disassembler impl. of MCDisassembler::getInstruction() was using the patternJohnny Chen
uint32_t insn; MemoryObject.readBytes(Address, 4, (uint8_t*)&insn, NULL) to read 4 bytes of memory contents into a 32-bit uint variable. This leaves the interpretation of byte order up to the host machine and causes PPC test cases of arm-tests, neon-tests, and thumb-tests to fail. Fixed to use a byte array for reading the memory contents and shift the bytes into place for the 32-bit uint variable in the ARM case and 16-bit halfword in the Thumb case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100403 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Temporarily remove to disable building of ARM disassembler.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100380 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Re-apply 100265 but instead disable building of ARM disassembly for now.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100379 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-05Reverting 100265 to try to get buildbots green again. Lots of self-hosting ↵Evan Cheng
buildbots started complaining since this commit. Also xfail ARM disassembly tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100378 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Get rid of the middleman (ARMAlgorithm), which causes more trouble than theJohnny Chen
abstraction it brings. And also get rid of the atexit() handler, it does not belong in the lib directory. :-) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100265 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Fix comment.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100259 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-03Register ARMAlgorithm::DoCleanup() to be called on exit to free the memoryJohnny Chen
occuplied by the cached ARMAlgorithm objects. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100258 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Fix another build warning.Johnny Chen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100251 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-02Second try of initial ARM/Thumb disassembler check-in. It consists of a tablgenJohnny Chen
backend (ARMDecoderEmitter) which emits the decoder functions for ARM and Thumb, and the disassembler core which invokes the decoder function and builds up the MCInst based on the decoded Opcode. Reviewed by Chris Latter and Bob Wilson. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100233 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16--- Reverse-merging r98637 into '.':Bob Wilson
U test/CodeGen/ARM/tls2.ll U test/CodeGen/ARM/arm-negative-stride.ll U test/CodeGen/ARM/2009-10-30.ll U test/CodeGen/ARM/globals.ll U test/CodeGen/ARM/str_pre-2.ll U test/CodeGen/ARM/ldrd.ll U test/CodeGen/ARM/2009-10-27-double-align.ll U test/CodeGen/Thumb2/thumb2-strb.ll U test/CodeGen/Thumb2/ldr-str-imm12.ll U test/CodeGen/Thumb2/thumb2-strh.ll U test/CodeGen/Thumb2/thumb2-ldr.ll U test/CodeGen/Thumb2/thumb2-str_pre.ll U test/CodeGen/Thumb2/thumb2-str.ll U test/CodeGen/Thumb2/thumb2-ldrh.ll U utils/TableGen/TableGen.cpp U utils/TableGen/DisassemblerEmitter.cpp D utils/TableGen/RISCDisassemblerEmitter.h D utils/TableGen/RISCDisassemblerEmitter.cpp U Makefile.rules U lib/Target/ARM/ARMInstrNEON.td U lib/Target/ARM/Makefile U lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp U lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp U lib/Target/ARM/AsmPrinter/ARMInstPrinter.h D lib/Target/ARM/Disassembler U lib/Target/ARM/ARMInstrFormats.td U lib/Target/ARM/ARMAddressingModes.h U lib/Target/ARM/Thumb2ITBlockPass.cpp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98640 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Initial ARM/Thumb disassembler check-in. It consists of a tablgen backendJohnny Chen
(RISCDisassemblerEmitter) which emits the decoder functions for ARM and Thumb, and the disassembler core which invokes the decoder function and builds up the MCInst based on the decoded Opcode. Added sub-formats to the NeonI/NeonXI instructions to further refine the NEONFrm instructions to help disassembly. We also changed the output of the addressing modes to omit the '+' from the assembler syntax #+/-<imm> or +/-<Rm>. See, for example, A8.6.57/58/60. And modified test cases to not expect '+' in +reg or #+num. For example, ; CHECK: ldr.w r9, [r7, #28] git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98637 91177308-0d34-0410-b5e6-96231b3b80d8
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