fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Moving xe::Memory and code cache to abstracted APIs.

Browse Source
This commit is contained in:
Ben Vanik
2015-07-15 22:10:05 -07:00
parent fefaa31cd8
commit 8154d1dad6
7 changed files with 118 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/xenia/cpu/backend/x64/x64_code_cache.cc
View File

@@ -31,15 +31,7 @@ namespace x64 {
// TODO(benvanik): move this to emitter.
const static uint32_t kUnwindInfoSize = 4 + (2 * 1 + 2 + 2);
X64CodeCache::X64CodeCache()
: mapping_(nullptr),
indirection_default_value_(0xFEEDF00D),
indirection_table_base_(nullptr),
generated_code_base_(nullptr),
generated_code_offset_(0),
generated_code_commit_mark_(0),
unwind_table_handle_(nullptr),
unwind_table_count_(0) {}
X64CodeCache::X64CodeCache() = default;
X64CodeCache::~X64CodeCache() {
if (indirection_table_base_) {
@@ -60,9 +52,10 @@ X64CodeCache::~X64CodeCache() {
// Unmap all views and close mapping.
if (mapping_) {
UnmapViewOfFile(generated_code_base_);
CloseHandle(mapping_);
mapping_ = 0;
xe::memory::UnmapFileView(mapping_, generated_code_base_,
kGeneratedCodeSize);
xe::memory::CloseFileMappingHandle(mapping_);
mapping_ = nullptr;
}
}
@@ -81,22 +74,20 @@ bool X64CodeCache::Initialize() {
}
// Create mmap file. This allows us to share the code cache with the debugger.
wchar_t file_name[256];
wsprintf(file_name, L"Local\\xenia_code_cache_%p",
Clock::QueryHostTickCount());
file_name_ = file_name;
mapping_ = CreateFileMapping(INVALID_HANDLE_VALUE, NULL,
PAGE_EXECUTE_READWRITE | SEC_RESERVE, 0,
kGeneratedCodeSize, file_name_.c_str());
file_name_ = std::wstring(L"Local\\xenia_code_cache_") +
std::to_wstring(Clock::QueryHostTickCount());
mapping_ = xe::memory::CreateFileMappingHandle(
file_name_, kGeneratedCodeSize, xe::memory::PageAccess::kExecuteReadWrite,
false);
if (!mapping_) {
XELOGE("Unable to create code cache mmap");
return false;
}
// Map generated code region into the file. Pages are committed as required.
generated_code_base_ = reinterpret_cast<uint8_t*>(MapViewOfFileEx(
mapping_, FILE_MAP_ALL_ACCESS | FILE_MAP_EXECUTE, 0, 0,
kGeneratedCodeSize, reinterpret_cast<void*>(kGeneratedCodeBase)));
generated_code_base_ = reinterpret_cast<uint8_t*>(xe::memory::MapFileView(
mapping_, reinterpret_cast<void*>(kGeneratedCodeBase), kGeneratedCodeSize,
xe::memory::PageAccess::kExecuteReadWrite, 0));
if (!generated_code_base_) {
XELOGE("Unable to allocate code cache generated code storage");
XELOGE(