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https://github.com/dolphin-emu/dolphin.git
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f09ceaa735
Reduces the number of files that need to be recompiled when making changes to FileUtil.h.
103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cinttypes>
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#include <cstddef>
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#include <cstdio>
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#include <cstdlib>
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#include <fstream>
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#include <string>
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#include "Common/CommonTypes.h"
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#include "Common/File.h"
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#include "Common/JitRegister.h"
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#include "Common/StringUtil.h"
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#ifdef _WIN32
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#include <process.h>
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#else
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#include <unistd.h>
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#endif
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#if defined USE_OPROFILE && USE_OPROFILE
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#include <opagent.h>
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#endif
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#if defined USE_VTUNE
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#include <jitprofiling.h>
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#pragma comment(lib, "jitprofiling.lib")
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#endif
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#if defined USE_OPROFILE && USE_OPROFILE
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static op_agent_t s_agent = nullptr;
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#endif
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static File::IOFile s_perf_map_file;
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namespace JitRegister
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{
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void Init(const std::string& perf_dir)
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{
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#if defined USE_OPROFILE && USE_OPROFILE
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s_agent = op_open_agent();
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#endif
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if (!perf_dir.empty() || getenv("PERF_BUILDID_DIR"))
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{
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std::string dir = perf_dir.empty() ? "/tmp" : perf_dir;
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std::string filename = StringFromFormat("%s/perf-%d.map", dir.data(), getpid());
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s_perf_map_file.Open(filename, "w");
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// Disable buffering in order to avoid missing some mappings
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// if the event of a crash:
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std::setvbuf(s_perf_map_file.GetHandle(), nullptr, _IONBF, 0);
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}
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}
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void Shutdown()
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{
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#if defined USE_OPROFILE && USE_OPROFILE
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op_close_agent(s_agent);
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s_agent = nullptr;
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#endif
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#ifdef USE_VTUNE
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iJIT_NotifyEvent(iJVM_EVENT_TYPE_SHUTDOWN, nullptr);
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#endif
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if (s_perf_map_file.IsOpen())
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s_perf_map_file.Close();
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}
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void RegisterV(const void* base_address, u32 code_size, const char* format, va_list args)
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{
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#if !(defined USE_OPROFILE && USE_OPROFILE) && !defined(USE_VTUNE)
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if (!s_perf_map_file.IsOpen())
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return;
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#endif
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std::string symbol_name = StringFromFormatV(format, args);
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#if defined USE_OPROFILE && USE_OPROFILE
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op_write_native_code(s_agent, symbol_name.data(), (u64)base_address, base_address, code_size);
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#endif
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#ifdef USE_VTUNE
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iJIT_Method_Load jmethod = {0};
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jmethod.method_id = iJIT_GetNewMethodID();
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jmethod.method_load_address = const_cast<void*>(base_address);
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jmethod.method_size = code_size;
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jmethod.method_name = const_cast<char*>(symbol_name.data());
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iJIT_NotifyEvent(iJVM_EVENT_TYPE_METHOD_LOAD_FINISHED, (void*)&jmethod);
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#endif
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// Linux perf /tmp/perf-$pid.map:
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if (s_perf_map_file.IsOpen())
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{
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std::string entry =
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StringFromFormat("%" PRIx64 " %x %s\n", (u64)base_address, code_size, symbol_name.data());
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s_perf_map_file.WriteBytes(entry.data(), entry.size());
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}
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}
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}
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