1
/**************************************************************************
3
* Copyright 2010 VMware, Inc.
6
* Permission is hereby granted, free of charge, to any person obtaining a
7
* copy of this software and associated documentation files (the
8
* "Software"), to deal in the Software without restriction, including
9
* without limitation the rights to use, copy, modify, merge, publish,
10
* distribute, sub license, and/or sell copies of the Software, and to
11
* permit persons to whom the Software is furnished to do so, subject to
12
* the following conditions:
14
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20
* USE OR OTHER DEALINGS IN THE SOFTWARE.
22
* The above copyright notice and this permission notice (including the
23
* next paragraph) shall be included in all copies or substantial portions
26
**************************************************************************/
29
#ifndef __STDC_LIMIT_MACROS
30
#define __STDC_LIMIT_MACROS
33
#ifndef __STDC_CONSTANT_MACROS
34
#define __STDC_CONSTANT_MACROS
37
#include <llvm-c/Core.h>
38
#include <llvm-c/ExecutionEngine.h>
39
#include <llvm/Target/TargetOptions.h>
40
#include <llvm/ExecutionEngine/ExecutionEngine.h>
41
#include <llvm/ExecutionEngine/JITEventListener.h>
42
#include <llvm/Support/CommandLine.h>
43
#include <llvm/Support/PrettyStackTrace.h>
45
#include "pipe/p_config.h"
46
#include "util/u_debug.h"
49
#if (defined(PIPE_OS_WINDOWS) && !defined(PIPE_CC_MSVC)) || defined(PIPE_OS_EMBDDED)
51
#include "llvm/Support/raw_ostream.h"
53
class raw_debug_ostream :
54
public llvm::raw_ostream
58
void write_impl(const char *Ptr, size_t Size);
59
uint64_t current_pos() { return pos; }
60
uint64_t current_pos() const { return pos; }
62
#if HAVE_LLVM >= 0x207
63
uint64_t preferred_buffer_size() { return 512; }
65
size_t preferred_buffer_size() { return 512; }
71
raw_debug_ostream::write_impl(const char *Ptr, size_t Size)
74
char *lastPtr = (char *)&Ptr[Size];
77
_debug_printf("%*s", Size, Ptr);
85
* Same as LLVMDumpValue, but through our debugging channels.
88
lp_debug_dump_value(LLVMValueRef value)
91
llvm::unwrap(value)->print(os);
100
lp_debug_dump_value(LLVMValueRef value)
102
LLVMDumpValue(value);
110
* Register the engine with oprofile.
112
* This allows to see the LLVM IR function names in oprofile output.
114
* To actually work LLVM needs to be built with the --with-oprofile configure
117
* Also a oprofile:oprofile user:group is necessary. Which is not created by
118
* default on some distributions.
121
lp_register_oprofile_jit_event_listener(LLVMExecutionEngineRef EE)
123
llvm::unwrap(EE)->RegisterJITEventListener(llvm::createOProfileJITEventListener());
128
lp_set_target_options(void)
131
#if HAVE_LLVM >= 0x0207
132
llvm::JITEmitDebugInfo = true;
136
#if defined(DEBUG) || defined(PROFILE)
137
llvm::NoFramePointerElim = true;
140
llvm::NoExcessFPPrecision = false;
142
/* XXX: Investigate this */
144
llvm::UnsafeFPMath = true;
148
* LLVM will generate MMX instructions for vectors <= 64 bits, leading to
149
* innefficient code, and in 32bit systems, to the corruption of the FPU
150
* stack given that it expects the user to generate the EMMS instructions.
153
* - http://llvm.org/bugs/show_bug.cgi?id=3287
154
* - http://l4.me.uk/post/2009/06/07/llvm-wrinkle-3-configuration-what-configuration/
156
static boolean first = TRUE;
158
static const char* options[] = {
162
llvm::cl::ParseCommandLineOptions(2, const_cast<char**>(options));
167
* By default LLVM adds a signal handler to output a pretty stack trace.
168
* This signal handler is never removed, causing problems when unloading the
169
* shared object where the gallium driver resides.
171
llvm::DisablePrettyStackTrace = true;
176
lp_func_delete_body(LLVMValueRef FF)
178
llvm::Function *func = llvm::unwrap<llvm::Function>(FF);