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Hi, In ExecutionEngine.cpp, when the JIT or the Interpreter have not been linked in then EngineBuilder::create fails without setting ErrorStr. I've attached a patch to fix this. Warm Regards KS Sreeram -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: ee-not-linked-in-msg.diff URL:

Hi, Would it be possible to make the following slight change to ExecutionEngine::create()? I would like to be able to disable the automatic enumeration of loaded modules, and the subsequent searching for undefined symbols (using SearchForAddressOfSymbol). I propose adding an extra parameter to the function definition, defaulting to true. static ExecutionEngine *create(ModuleProvider *MP,

I found the following problem when I try to debug "target does not support mc emission" in linux (the same code executes OK in windows): Below is a snippet extracted from this method, if (UseMCJIT && ExecutionEngine::MCJITCtor) { ExecutionEngine *EE = ExecutionEngine::MCJITCtor(M, ErrorStr, JMM, OptLevel,

On Jul 22, 2009, at 5:23 PM, Chris Lattner wrote: > > On Jul 22, 2009, at 1:32 PM, Dan Gohman wrote: > >>>> >>>> - A null pointer is associated with no addresses. >>>> >>> >>> A null pointer in address space 0. >> >> I'm not fond of weird address-space semantics, but for consistency >> with what the optimizer is

On Jul 22, 2009, at 9:43 PM, Rob Grapes wrote: > Hi, > > Would it be possible to make the following slight change to > ExecutionEngine::create()? > > I would like to be able to disable the automatic enumeration of > loaded modules, and the subsequent searching for undefined symbols > (using SearchForAddressOfSymbol). > > I propose adding an extra parameter to

Hi Rob, Can you comment on exactly what the problem is you want to solve? Is it a performance issue with LoadLibraryPermanently, or do you simply not want the external symbols to be resolved from within the JIT? - Daniel On Wed, Jul 22, 2009 at 11:22 PM, Evan Cheng<evan.cheng at apple.com> wrote: > > On Jul 22, 2009, at 9:43 PM, Rob Grapes wrote: > >> Hi, >> >>

Hi Daniel, In my case ExecutionEngine::create() loads 40 modules, then each time I try to resolve a symbol that I know is in a DLL that I supply, it looks through all 40 modules first. This is on Windows, so I get the following modules loaded: ntdll.dll, kernel32.dll, USER32.dll, GDI32.dll, SHELL32.dll, ADVAPI32.dll, RPCRT4.dll, Secur32.dll, msvcrt.dll, SHLWAPI.dll, ole32.dll, OLEAUT32.dll,

Hello all, I'm trying to bring an LLVM-based project that is working on Linux up on Win32. I am having problems with llvm::ExecutionEngine::create returning a NULL. I traced it to these lines: // Unless the interpreter was explicitly selected, try making a JIT. if (!ForceInterpreter && JITCtor) EE = JITCtor(MP, ErrorStr); // If we can't make a JIT, make an

Hi all, Writing my own LLVM client I've noticed a potential null pointer dereference in EngineBuilder::selectTarget. The class has an optional pointer to the ErrorStr, which can be initialzied through setErrorStr() method. Although, it's strictly optional, selectTarget doesn't verify its value before assignment. Please find patch for branch release_31, revision 155051 attached. -

I'm getting seemingly odd SegFaults when writing out using a raw_fd_ostream in the current trunk (last version worked, believe it was 153818, or similar). Again, nothing in the release notes... should I be scanning the svn log? For example, I have something like: raw_fd_ostream fout("out.txt", errorStr=""); .... fout<<"Hello World, how are you!"\n";

I found a private ErrorStr member, but didn't find the get function of this member, could you tell me how I can get the error message? On Wed, Sep 18, 2019 at 4:02 PM mayuyu.io <admin at mayuyu.io> wrote: > Isn’t there a method in EngineBuilder to get the error message or > something? > I assume it’s you didn’t link in the JIT module > > Zhang > > 在

Hi,all Recently,I write some code to implement the following funtions: I make use the codes of "llvm-dis" to disassemble the bitcode file and do some change on it,after that ,"my llvm-as" assembles the changed file to generate a bitcode file. But I got a "corrupted double-linked list" error when "my llvm-as" works,however,when I do nothing on the

Hi Yury, No need for the "{" "}" since it's a single statement in the compound statement. Other than that minor style detail, this looks fine assuming it applies cleanly to trunk. Do you have commit access? Regards, -Jim On May 9, 2012, at 3:40 PM, Yury Mikhaylov wrote: > Hi all, > > Writing my own LLVM client I've noticed a potential null pointer

Thank you for your response Jim. As of revision 153342 it applies properly to trunk. No, unfortunately I don't have access, would you please commit it for me? Thanks, Yury On Wed, May 9, 2012 at 4:37 PM, Jim Grosbach <grosbach at apple.com> wrote: > Hi Yury, > > No need for the "{" "}" since it's a single statement in the compound > statement.

I see very strange behaviour. I am linking to LLVMMCJIT and I #include MCJIT.h. I can see in the debugger that MCJIT::Register is being called. If I break in ExecutionEngine::create, I can see that UseMCJIT is true and ExecutionEngine::MCJITCtor is non-zero. Still at this point (lines after 481): if (UseMCJIT && ExecutionEngine::MCJITCtor) { ExecutionEngine *EE =

Hi all, I'm struggling to get lli work on qemu-system-arm. I already boot the system with a debian squeeze rootfs which contains a statically cross-compiled lli for armel. When I run ./lli hello.bc, I got the following error msg: ./lli: error creating EE: /lib/: cannot read file data: Is a directory afaik, this error is related to lli using dlopen() with a NULL path to resolve symbols for

It looks like some kind of file IO buffer overflow. I'm not dumping any long strings at one time, but I am keeping the file open for the entire run. I've yet to find a correlation to other C files. On Fri, Oct 26, 2012 at 3:17 PM, Ryan Taylor <ryta1203 at gmail.com> wrote: > I'm getting seemingly odd SegFaults when writing out using a > raw_fd_ostream in the current

I'm trying to set up some automated testing, and I'd like to have multiple instances of ExecutionEngines, so that the state from the first test doesn't alter the second state. Right now I'm doing something along the lines of: Module *emptyModule = new Module("emptyModule"); ExecutionEngine executionEngine = ExecutionEngine::create(emptyModule);

Hello, I am encountering a strange assertion failure using the LLVM libraries cross-compiled for Android using the Android NDK. I am using the official release of LLVM-2.9. The IR which is causing the assertion failure is the following: define void @__construct_Byte__Integer(i8* nocapture %byteLValue, i32 %integerRValue) inlinehint { entry: %0 = trunc i32 %integerRValue to i8 store i8 %0,

So I did a clean checkout and build and still have this issue, did something changed with the way/when it's getting flushed? My old revision did not have this issue, this is an issue strictly with LLVM it seems. On Fri, Oct 26, 2012 at 3:27 PM, Ryan Taylor <ryta1203 at gmail.com> wrote: > It looks like some kind of file IO buffer overflow. I'm not dumping any > long strings