mirror of
https://github.com/ZDoom/qzdoom-gpl.git
synced 2024-11-29 23:23:07 +00:00
138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
|
|
** LLVM code generated drawers
|
|
** Copyright (c) 2016 Magnus Norddahl
|
|
**
|
|
** This software is provided 'as-is', without any express or implied
|
|
** warranty. In no event will the authors be held liable for any damages
|
|
** arising from the use of this software.
|
|
**
|
|
** Permission is granted to anyone to use this software for any purpose,
|
|
** including commercial applications, and to alter it and redistribute it
|
|
** freely, subject to the following restrictions:
|
|
**
|
|
** 1. The origin of this software must not be misrepresented; you must not
|
|
** claim that you wrote the original software. If you use this software
|
|
** in a product, an acknowledgment in the product documentation would be
|
|
** appreciated but is not required.
|
|
** 2. Altered source versions must be plainly marked as such, and must not be
|
|
** misrepresented as being the original software.
|
|
** 3. This notice may not be removed or altered from any source distribution.
|
|
**
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
#include "timestamp.h"
|
|
#include "exception.h"
|
|
#include "llvmdrawers.h"
|
|
|
|
std::string &AllTimestamps()
|
|
{
|
|
static std::string timestamps;
|
|
return timestamps;
|
|
}
|
|
|
|
void AddSourceFileTimestamp(const char *timestamp)
|
|
{
|
|
if (!AllTimestamps().empty()) AllTimestamps().push_back(' ');
|
|
AllTimestamps() += timestamp;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
try
|
|
{
|
|
if (argc != 2)
|
|
{
|
|
std::cerr << "Usage: " << argv[0] << "<output filename>" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
std::string timestamp_filename = argv[1] + std::string(".timestamp");
|
|
|
|
FILE *file = fopen(timestamp_filename.c_str(), "rb");
|
|
if (file != nullptr)
|
|
{
|
|
char buffer[4096];
|
|
int bytes_read = fread(buffer, 1, 4096, file);
|
|
fclose(file);
|
|
std::string last_timestamp;
|
|
if (bytes_read > 0)
|
|
last_timestamp = std::string(buffer, bytes_read);
|
|
|
|
if (AllTimestamps() == last_timestamp)
|
|
{
|
|
std::cout << "Not recompiling drawers because the object file is already up to date." << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
llvm::install_fatal_error_handler([](void *user_data, const std::string& reason, bool gen_crash_diag)
|
|
{
|
|
std::cerr << "LLVM fatal error: " << reason;
|
|
exit(1);
|
|
});
|
|
|
|
llvm::InitializeNativeTarget();
|
|
llvm::InitializeNativeTargetAsmPrinter();
|
|
|
|
std::string triple = llvm::sys::getDefaultTargetTriple();
|
|
|
|
#ifdef __APPLE__
|
|
// Target triple is x86_64-apple-darwin15.6.0
|
|
auto pos = triple.find("-apple-darwin");
|
|
if (pos != std::string::npos)
|
|
{
|
|
triple = triple.substr(0, pos) + "-apple-darwin10.11.0";
|
|
}
|
|
#endif
|
|
|
|
std::cout << "Target triple is " << triple << std::endl;
|
|
|
|
std::string cpuName = "pentium4";
|
|
std::string features;
|
|
std::cout << "Compiling drawer code for " << cpuName << ".." << std::endl;
|
|
|
|
LLVMDrawers drawersSSE2(triple, cpuName, features, "_SSE2");
|
|
|
|
file = fopen(argv[1], "wb");
|
|
if (file == nullptr)
|
|
{
|
|
std::cerr << "Unable to open " << argv[1] << " for writing." << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
int result = fwrite(drawersSSE2.ObjectFile.data(), drawersSSE2.ObjectFile.size(), 1, file);
|
|
fclose(file);
|
|
|
|
if (result != 1)
|
|
{
|
|
std::cerr << "Could not write data to " << argv[1] << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
file = fopen(timestamp_filename.c_str(), "wb");
|
|
if (file == nullptr)
|
|
{
|
|
std::cerr << "Could not create timestamp file" << std::endl;
|
|
return 1;
|
|
}
|
|
result = fwrite(AllTimestamps().data(), AllTimestamps().length(), 1, file);
|
|
fclose(file);
|
|
if (result != 1)
|
|
{
|
|
std::cerr << "Could not write timestamp file" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
//LLVMDrawers drawersSSE4("core2");
|
|
//LLVMDrawers drawersAVX("sandybridge");
|
|
//LLVMDrawers drawersAVX2("haswell");
|
|
|
|
return 0;
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
std::cerr << e.what() << std::endl;
|
|
return 1;
|
|
}
|
|
}
|