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-rw-r--r--src/common/file_util.cpp43
-rw-r--r--src/common/file_util.h26
-rw-r--r--src/common/thread.h46
-rw-r--r--src/common/x64/emitter.cpp28
-rw-r--r--src/common/x64/emitter.h2
5 files changed, 74 insertions, 71 deletions
diff --git a/src/common/file_util.cpp b/src/common/file_util.cpp
index 687b7ae5a..6e2867658 100644
--- a/src/common/file_util.cpp
+++ b/src/common/file_util.cpp
@@ -833,13 +833,12 @@ 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());
}
@@ -886,15 +885,10 @@ 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);
}
@@ -905,7 +899,6 @@ IOFile::~IOFile()
}
IOFile::IOFile(IOFile&& other)
- : m_file(nullptr), m_good(true)
{
Swap(other);
}
@@ -944,26 +937,12 @@ 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)
@@ -974,12 +953,12 @@ 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 880b8a1e3..b54a9fb72 100644
--- a/src/common/file_util.h
+++ b/src/common/file_util.h
@@ -176,7 +176,6 @@ class IOFile : public NonCopyable
{
public:
IOFile();
- explicit IOFile(std::FILE* file);
IOFile(const std::string& filename, const char openmode[]);
~IOFile();
@@ -192,6 +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;
@@ -207,9 +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;
@@ -243,25 +244,20 @@ public:
// m_good is set to false when a read, write or other function fails
bool IsGood() const { 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);
+ 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:
+ 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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-19 05:14:51 +0200