/**************************************************************************
*
- * Copyright 2009 VMware, Inc.
+ * Copyright 2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
**************************************************************************/
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS
+#endif
+
+#ifndef __STDC_CONSTANT_MACROS
+#define __STDC_CONSTANT_MACROS
+#endif
+
+#include <llvm-c/Core.h>
+#include <llvm-c/ExecutionEngine.h>
+#include <llvm/Target/TargetOptions.h>
+#include <llvm/ExecutionEngine/ExecutionEngine.h>
+#include <llvm/ExecutionEngine/JITEventListener.h>
+#include <llvm/Support/CommandLine.h>
+#include <llvm/Support/PrettyStackTrace.h>
+
#include "pipe/p_config.h"
+#include "util/u_debug.h"
-#include "lp_bld_misc.h"
+#if (defined(PIPE_OS_WINDOWS) && !defined(PIPE_CC_MSVC)) || defined(PIPE_OS_EMBDDED)
-#ifndef LLVM_NATIVE_ARCH
+#include "llvm/Support/raw_ostream.h"
-namespace llvm {
- extern void LinkInJIT();
-}
+class raw_debug_ostream :
+ public llvm::raw_ostream
+{
+ uint64_t pos;
+
+ void write_impl(const char *Ptr, size_t Size);
+ uint64_t current_pos() { return pos; }
+ uint64_t current_pos() const { return pos; }
+
+#if HAVE_LLVM >= 0x207
+ uint64_t preferred_buffer_size() { return 512; }
+#else
+ size_t preferred_buffer_size() { return 512; }
+#endif
+};
void
-LLVMLinkInJIT(void)
+raw_debug_ostream::write_impl(const char *Ptr, size_t Size)
{
- llvm::LinkInJIT();
+ if (Size > 0) {
+ char *lastPtr = (char *)&Ptr[Size];
+ char last = *lastPtr;
+ *lastPtr = 0;
+ _debug_printf("%*s", Size, Ptr);
+ *lastPtr = last;
+ pos += Size;
+ }
}
-extern "C" int X86TargetMachineModule;
+/**
+ * Same as LLVMDumpValue, but through our debugging channels.
+ */
+extern "C" void
+lp_debug_dump_value(LLVMValueRef value)
+{
+ raw_debug_ostream os;
+ llvm::unwrap(value)->print(os);
+ os.flush();
+}
+
+#else
-int
-LLVMInitializeNativeTarget(void)
+
+extern "C" void
+lp_debug_dump_value(LLVMValueRef value)
{
-#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
- X86TargetMachineModule = 1;
-#endif
- return 0;
+ LLVMDumpValue(value);
}
#endif
-/*
- * Hack to allow the linking of release LLVM static libraries on a debug build.
+/**
+ * Register the engine with oprofile.
*
- * See also:
- * - http://social.msdn.microsoft.com/Forums/en-US/vclanguage/thread/7234ea2b-0042-42ed-b4e2-5d8644dfb57d
+ * This allows to see the LLVM IR function names in oprofile output.
+ *
+ * To actually work LLVM needs to be built with the --with-oprofile configure
+ * option.
+ *
+ * Also a oprofile:oprofile user:group is necessary. Which is not created by
+ * default on some distributions.
*/
-#if defined(_MSC_VER) && defined(_DEBUG)
-#include <crtdefs.h>
-extern "C" {
- _CRTIMP void __cdecl _invalid_parameter_noinfo(void) {}
+extern "C" void
+lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE)
+{
+ llvm::unwrap(EE)->RegisterJITEventListener(llvm::createOProfileJITEventListener());
}
+
+
+extern "C" void
+lp_set_target_options(void)
+{
+#if defined(DEBUG)
+#if HAVE_LLVM >= 0x0207
+ llvm::JITEmitDebugInfo = true;
+#endif
+#endif
+
+#if defined(DEBUG) || defined(PROFILE)
+ llvm::NoFramePointerElim = true;
#endif
+
+ llvm::NoExcessFPPrecision = false;
+
+ /* XXX: Investigate this */
+#if 0
+ llvm::UnsafeFPMath = true;
+#endif
+
+ /*
+ * LLVM will generate MMX instructions for vectors <= 64 bits, leading to
+ * innefficient code, and in 32bit systems, to the corruption of the FPU
+ * stack given that it expects the user to generate the EMMS instructions.
+ *
+ * See also:
+ * - http://llvm.org/bugs/show_bug.cgi?id=3287
+ * - http://l4.me.uk/post/2009/06/07/llvm-wrinkle-3-configuration-what-configuration/
+ */
+ static boolean first = TRUE;
+ if (first) {
+ static const char* options[] = {
+ "prog",
+ "-disable-mmx"
+ };
+ llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options));
+ first = FALSE;
+ }
+
+ /*
+ * By default LLVM adds a signal handler to output a pretty stack trace.
+ * This signal handler is never removed, causing problems when unloading the
+ * shared object where the gallium driver resides.
+ */
+ llvm::DisablePrettyStackTrace = true;
+}
+
+
+extern "C" void
+lp_func_delete_body(LLVMValueRef FF)
+{
+ llvm::Function *func = llvm::unwrap<llvm::Function>(FF);
+ func->deleteBody();
+}
projects / mesa.git / blobdiff