diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/file_util.cpp | 43 | ||||
-rw-r--r-- | src/common/file_util.h | 35 | ||||
-rw-r--r-- | src/common/thread.h | 46 | ||||
-rw-r--r-- | src/common/x64/emitter.cpp | 28 | ||||
-rw-r--r-- | src/common/x64/emitter.h | 2 |
5 files changed, 79 insertions, 75 deletions
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp index 9ada09f8a..53700c865 100644 --- a/src/common/file_util.cpp +++ b/src/common/file_util.cpp @@ -824,13 +824,12 @@ size_t WriteStringToFile(bool text_file, const std::string &str, const char *fil size_t ReadFileToString(bool text_file, const char *filename, std::string &str) { - FileUtil::IOFile file(filename, text_file ? "r" : "rb"); - auto const f = file.GetHandle(); + IOFile file(filename, text_file ? "r" : "rb"); - if (!f) + if (!file) return false; - str.resize(static_cast<u32>(GetSize(f))); + str.resize(static_cast<u32>(file.GetSize())); return file.ReadArray(&str[0], str.size()); } @@ -877,15 +876,10 @@ void SplitFilename83(const std::string& filename, std::array<char, 9>& short_nam } IOFile::IOFile() - : m_file(nullptr), m_good(true) -{} - -IOFile::IOFile(std::FILE* file) - : m_file(file), m_good(true) -{} +{ +} IOFile::IOFile(const std::string& filename, const char openmode[]) - : m_file(nullptr), m_good(true) { Open(filename, openmode); } @@ -896,7 +890,6 @@ IOFile::~IOFile() } IOFile::IOFile(IOFile&& other) - : m_file(nullptr), m_good(true) { Swap(other); } @@ -935,26 +928,12 @@ bool IOFile::Close() return m_good; } -std::FILE* IOFile::ReleaseHandle() -{ - std::FILE* const ret = m_file; - m_file = nullptr; - return ret; -} - -void IOFile::SetHandle(std::FILE* file) -{ - Close(); - Clear(); - m_file = file; -} - -u64 IOFile::GetSize() +u64 IOFile::GetSize() const { if (IsOpen()) return FileUtil::GetSize(m_file); - else - return 0; + + return 0; } bool IOFile::Seek(s64 off, int origin) @@ -965,12 +944,12 @@ bool IOFile::Seek(s64 off, int origin) return m_good; } -u64 IOFile::Tell() +u64 IOFile::Tell() const { if (IsOpen()) return ftello(m_file); - else - return -1; + + return -1; } bool IOFile::Flush() diff --git a/src/common/file_util.h b/src/common/file_util.h index a85121aa6..b54a9fb72 100644 --- a/src/common/file_util.h +++ b/src/common/file_util.h @@ -14,6 +14,10 @@ #include "common/common_types.h" +#ifdef _MSC_VER +#include "common/string_util.h" +#endif + // User directory indices for GetUserPath enum { D_USER_IDX, @@ -172,7 +176,6 @@ class IOFile : public NonCopyable { public: IOFile(); - IOFile(std::FILE* file); IOFile(const std::string& filename, const char openmode[]); ~IOFile(); @@ -188,6 +191,9 @@ public: template <typename T> size_t ReadArray(T* data, size_t length) { + static_assert(std::is_standard_layout<T>(), "Given array does not consist of standard layout objects"); + static_assert(std::is_trivially_copyable<T>(), "Given array does not consist of trivially copyable objects"); + if (!IsOpen()) { m_good = false; return -1; @@ -203,9 +209,8 @@ public: template <typename T> size_t WriteArray(const T* data, size_t length) { - static_assert(std::is_standard_layout<T>::value, "Given array does not consist of standard layout objects"); - // TODO: gcc 4.8 does not support is_trivially_copyable, but we really should check for it here. - //static_assert(std::is_trivially_copyable<T>::value, "Given array does not consist of trivially copyable objects"); + static_assert(std::is_standard_layout<T>(), "Given array does not consist of standard layout objects"); + static_assert(std::is_trivially_copyable<T>(), "Given array does not consist of trivially copyable objects"); if (!IsOpen()) { m_good = false; @@ -235,32 +240,24 @@ public: return WriteArray(&object, 1); } - bool IsOpen() { return nullptr != m_file; } + bool IsOpen() const { return nullptr != m_file; } // m_good is set to false when a read, write or other function fails - bool IsGood() { return m_good; } - operator void*() { return m_good ? m_file : nullptr; } - - std::FILE* ReleaseHandle(); - - std::FILE* GetHandle() { return m_file; } - - void SetHandle(std::FILE* file); + bool IsGood() const { return m_good; } + explicit operator bool() const { return IsGood(); } bool Seek(s64 off, int origin); - u64 Tell(); - u64 GetSize(); + u64 Tell() const; + u64 GetSize() const; bool Resize(u64 size); bool Flush(); // clear error state void Clear() { m_good = true; std::clearerr(m_file); } - std::FILE* m_file; - bool m_good; private: - IOFile(IOFile&); - IOFile& operator=(IOFile& other); + std::FILE* m_file = nullptr; + bool m_good = true; }; } // namespace diff --git a/src/common/thread.h b/src/common/thread.h index 8255ee6d3..bbfa8befa 100644 --- a/src/common/thread.h +++ b/src/common/thread.h @@ -30,8 +30,7 @@ # endif #endif -namespace Common -{ +namespace Common { int CurrentThreadId(); @@ -43,55 +42,55 @@ public: Event() : is_set(false) {} void Set() { - std::lock_guard<std::mutex> lk(m_mutex); + std::lock_guard<std::mutex> lk(mutex); if (!is_set) { is_set = true; - m_condvar.notify_one(); + condvar.notify_one(); } } void Wait() { - std::unique_lock<std::mutex> lk(m_mutex); - m_condvar.wait(lk, [&]{ return is_set; }); + std::unique_lock<std::mutex> lk(mutex); + condvar.wait(lk, [&]{ return is_set; }); is_set = false; } void Reset() { - std::unique_lock<std::mutex> lk(m_mutex); + std::unique_lock<std::mutex> lk(mutex); // no other action required, since wait loops on the predicate and any lingering signal will get cleared on the first iteration is_set = false; } private: bool is_set; - std::condition_variable m_condvar; - std::mutex m_mutex; + std::condition_variable condvar; + std::mutex mutex; }; class Barrier { public: - Barrier(size_t count) : m_count(count), m_waiting(0) {} + explicit Barrier(size_t count_) : count(count_), waiting(0), generation(0) {} /// Blocks until all "count" threads have called Sync() void Sync() { - std::unique_lock<std::mutex> lk(m_mutex); + std::unique_lock<std::mutex> lk(mutex); + const size_t current_generation = generation; - // TODO: broken when next round of Sync()s - // is entered before all waiting threads return from the notify_all - - if (++m_waiting == m_count) { - m_waiting = 0; - m_condvar.notify_all(); + if (++waiting == count) { + generation++; + waiting = 0; + condvar.notify_all(); } else { - m_condvar.wait(lk, [&]{ return m_waiting == 0; }); + condvar.wait(lk, [this, current_generation]{ return current_generation != generation; }); } } private: - std::condition_variable m_condvar; - std::mutex m_mutex; - const size_t m_count; - size_t m_waiting; + std::condition_variable condvar; + std::mutex mutex; + const size_t count; + size_t waiting; + size_t generation; // Incremented once each time the barrier is used }; void SleepCurrentThread(int ms); @@ -100,8 +99,7 @@ void SwitchCurrentThread(); // On Linux, this is equal to sleep 1ms // Use this function during a spin-wait to make the current thread // relax while another thread is working. This may be more efficient // than using events because event functions use kernel calls. -inline void YieldCPU() -{ +inline void YieldCPU() { std::this_thread::yield(); } diff --git a/src/common/x64/emitter.cpp b/src/common/x64/emitter.cpp index 1dcf2416c..5662f7f86 100644 --- a/src/common/x64/emitter.cpp +++ b/src/common/x64/emitter.cpp @@ -455,6 +455,18 @@ void XEmitter::CALL(const void* fnptr) Write32(u32(distance)); } +FixupBranch XEmitter::CALL() +{ + FixupBranch branch; + branch.type = 1; + branch.ptr = code + 5; + + Write8(0xE8); + Write32(0); + + return branch; +} + FixupBranch XEmitter::J(bool force5bytes) { FixupBranch branch; @@ -531,6 +543,22 @@ void XEmitter::SetJumpTarget(const FixupBranch& branch) } } +void XEmitter::SetJumpTarget(const FixupBranch& branch, const u8* target) +{ + if (branch.type == 0) + { + s64 distance = (s64)(target - branch.ptr); + ASSERT_MSG(distance >= -0x80 && distance < 0x80, "Jump target too far away, needs force5Bytes = true"); + branch.ptr[-1] = (u8)(s8)distance; + } + else if (branch.type == 1) + { + s64 distance = (s64)(target - branch.ptr); + ASSERT_MSG(distance >= -0x80000000LL && distance < 0x80000000LL, "Jump target too far away, needs indirect register"); + ((s32*)branch.ptr)[-1] = (s32)distance; + } +} + //Single byte opcodes //There is no PUSHAD/POPAD in 64-bit mode. void XEmitter::INT3() {Write8(0xCC);} diff --git a/src/common/x64/emitter.h b/src/common/x64/emitter.h index 7c6548fb5..a33724146 100644 --- a/src/common/x64/emitter.h +++ b/src/common/x64/emitter.h @@ -425,12 +425,14 @@ public: #undef CALL #endif void CALL(const void* fnptr); + FixupBranch CALL(); void CALLptr(OpArg arg); FixupBranch J_CC(CCFlags conditionCode, bool force5bytes = false); void J_CC(CCFlags conditionCode, const u8* addr, bool force5Bytes = false); void SetJumpTarget(const FixupBranch& branch); + void SetJumpTarget(const FixupBranch& branch, const u8* target); void SETcc(CCFlags flag, OpArg dest); // Note: CMOV brings small if any benefit on current cpus. |