Merge pull request #45 from georgemoralis/libc_HLE_implementations
HLE printf and refactoring to some libc functions
This commit is contained in:
georgemoralis
GitHub
commit
830542e870
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@ -55,7 +55,7 @@ add_executable(shadps4
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src/Core/PS4/HLE/Kernel/cpu_management.cpp
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src/Core/PS4/HLE/Kernel/cpu_management.h
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"src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h" "src/Core/PS4/HLE/Kernel/ThreadManagement.cpp" "src/Core/PS4/HLE/Kernel/ThreadManagement.h" "src/Core/PS4/HLE/ErrorCodes.h" "src/debug.h" "src/Core/PS4/HLE/Kernel/memory_management.cpp" "src/Core/PS4/HLE/Kernel/memory_management.h" "src/Core/PS4/GPU/gpu_memory.cpp" "src/Core/PS4/GPU/gpu_memory.h" "src/emulator.cpp" "src/emulator.h" "src/Core/PS4/HLE/Kernel/Objects/event_queue.h" "src/Core/PS4/HLE/Kernel/Objects/event_queue.cpp" "src/Core/PS4/HLE/Graphics/Objects/video_out_ctx.cpp" "src/Core/PS4/HLE/Graphics/Objects/video_out_ctx.h" "src/Core/PS4/HLE/Graphics/graphics_ctx.h" "src/vulkan_util.cpp" "src/vulkan_util.h" "src/Core/PS4/GPU/video_out_buffer.cpp" "src/Core/PS4/GPU/video_out_buffer.h" "src/Core/PS4/HLE/Graphics/graphics_render.cpp" "src/Core/PS4/HLE/Graphics/graphics_render.h" "src/Core/PS4/GPU/tile_manager.cpp" "src/Core/PS4/GPU/tile_manager.h" "src/version.h")
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"src/Util/Singleton.h" "src/Util/Disassembler.cpp" "src/Util/Disassembler.h" "src/Core/PS4/Util/aerolib.h" "src/Core/PS4/Loader/SymbolsResolver.h" "src/Core/PS4/Loader/SymbolsResolver.cpp" "src/Core/PS4/HLE/Libs.cpp" "src/Core/PS4/HLE/Libs.h" "src/Core/PS4/HLE/LibC.cpp" "src/Core/PS4/HLE/LibC.h" "src/Lib/Timer.cpp" "src/Lib/Timer.h" "src/Core/PS4/HLE/LibKernel.cpp" "src/Core/PS4/HLE/LibKernel.h" "src/Core/PS4/HLE/LibSceGnmDriver.cpp" "src/Core/PS4/HLE/LibSceGnmDriver.h" "src/Core/PS4/HLE/Kernel/ThreadManagement.cpp" "src/Core/PS4/HLE/Kernel/ThreadManagement.h" "src/Core/PS4/HLE/ErrorCodes.h" "src/debug.h" "src/Core/PS4/HLE/Kernel/memory_management.cpp" "src/Core/PS4/HLE/Kernel/memory_management.h" "src/Core/PS4/GPU/gpu_memory.cpp" "src/Core/PS4/GPU/gpu_memory.h" "src/emulator.cpp" "src/emulator.h" "src/Core/PS4/HLE/Kernel/Objects/event_queue.h" "src/Core/PS4/HLE/Kernel/Objects/event_queue.cpp" "src/Core/PS4/HLE/Graphics/Objects/video_out_ctx.cpp" "src/Core/PS4/HLE/Graphics/Objects/video_out_ctx.h" "src/Core/PS4/HLE/Graphics/graphics_ctx.h" "src/vulkan_util.cpp" "src/vulkan_util.h" "src/Core/PS4/GPU/video_out_buffer.cpp" "src/Core/PS4/GPU/video_out_buffer.h" "src/Core/PS4/HLE/Graphics/graphics_render.cpp" "src/Core/PS4/HLE/Graphics/graphics_render.h" "src/Core/PS4/GPU/tile_manager.cpp" "src/Core/PS4/GPU/tile_manager.h" "src/version.h" "src/Emulator/HLE/Libraries/LibC/printf.h" "src/Emulator/HLE/Libraries/LibC/va_ctx.h" "src/Emulator/HLE/Libraries/LibC/libc.cpp" "src/Emulator/HLE/Libraries/LibC/libc.h")
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find_package(OpenGL REQUIRED)
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target_link_libraries(shadps4 PUBLIC fmt mincore spdlog IMGUI SDL3-shared ${OPENGL_LIBRARY} vulkan-1 spirv-tools-opt spirv-tools)
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@ -1,35 +1,38 @@
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#include "LibC.h"
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#include "Libs.h"
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#include "../Loader/Elf.h"
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#include <debug.h>
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#include <pthread.h>
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#include "../Loader/Elf.h"
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#include "Libs.h"
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#include "Emulator/HLE/Libraries/LibC/libc.h"
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namespace HLE::Libs::LibC {
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static u32 g_need_sceLibc = 1;
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static u32 g_need_sceLibc = 1;
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static PS4_SYSV_ABI void init_env() // every game/demo should probably
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{
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//dummy no need atm
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}
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static PS4_SYSV_ABI void init_env() // every game/demo should probably
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{
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// dummy no need atm
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}
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static pthread_mutex_t __guard_mutex;
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static pthread_once_t __once_control = PTHREAD_ONCE_INIT;
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static pthread_mutex_t __guard_mutex;
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static pthread_once_t __once_control = PTHREAD_ONCE_INIT;
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static void recursiveMutex()
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{
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static void recursiveMutex() {
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pthread_mutexattr_t recursiveMutexAttr;
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pthread_mutexattr_init(&recursiveMutexAttr);
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pthread_mutexattr_settype(&recursiveMutexAttr, PTHREAD_MUTEX_RECURSIVE);
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pthread_mutex_init(&__guard_mutex, &recursiveMutexAttr);
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}
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}
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static pthread_mutex_t* mutex_quard() {
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static pthread_mutex_t* mutex_quard() {
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pthread_once(&__once_control, &recursiveMutex);
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return &__guard_mutex;
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}
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}
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int PS4_SYSV_ABI __cxa_guard_acquire(u64* guard_object) {
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int PS4_SYSV_ABI __cxa_guard_acquire(u64* guard_object) {
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if ((*((uint8_t*)guard_object) != 0)) // low 8 bits checks if its already init
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{
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return 0;
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@ -56,55 +59,39 @@ namespace HLE::Libs::LibC {
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((uint8_t*)guard_object)[1] = 1;
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return 1;
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}
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}
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void PS4_SYSV_ABI __cxa_guard_release(u64* guard_object)
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{
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*((uint8_t*)guard_object) = 1;//mark it as done
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void PS4_SYSV_ABI __cxa_guard_release(u64* guard_object) {
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*((uint8_t*)guard_object) = 1; // mark it as done
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// release global mutex
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int result = ::pthread_mutex_unlock(mutex_quard());
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if (result != 0) {
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BREAKPOINT();
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}
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}
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}
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int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n) {
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return ::memcmp(s1, s2, n);
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}
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void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n) {
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return ::memcpy(dest, src, n);
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}
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static PS4_SYSV_ABI void catchReturnFromMain(int status) { BREAKPOINT();
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}
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static PS4_SYSV_ABI void exit(int code) { BREAKPOINT();
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}
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static PS4_SYSV_ABI int atexit(void (*func)())
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{
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int rt = ::atexit(func);
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if (rt != 0)
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{
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BREAKPOINT();
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}
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return rt;
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}
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static PS4_SYSV_ABI void _Assert() { BREAKPOINT(); }
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static PS4_SYSV_ABI void catchReturnFromMain(int status) {
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// dummy
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}
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void LibC_Register(SymbolsResolver* sym)
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{
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static PS4_SYSV_ABI void _Assert() { BREAKPOINT(); }
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void LibC_Register(SymbolsResolver* sym) {
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LIB_FUNCTION("bzQExy189ZI", "libc", 1, "libc", 1, 1, init_env);
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LIB_FUNCTION("3GPpjQdAMTw", "libc", 1, "libc", 1, 1, __cxa_guard_acquire);
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LIB_FUNCTION("9rAeANT2tyE", "libc", 1, "libc", 1, 1, __cxa_guard_release);
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LIB_FUNCTION("DfivPArhucg", "libc", 1, "libc", 1, 1, memcmp);
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LIB_FUNCTION("Q3VBxCXhUHs", "libc", 1, "libc", 1, 1, memcpy);
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LIB_FUNCTION("DfivPArhucg", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::memcmp);
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LIB_FUNCTION("Q3VBxCXhUHs", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::memcpy);
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LIB_FUNCTION("XKRegsFpEpk", "libc", 1, "libc", 1, 1, catchReturnFromMain);
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LIB_FUNCTION("uMei1W9uyNo", "libc", 1, "libc", 1, 1, exit);
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LIB_FUNCTION("8G2LB+A3rzg", "libc", 1, "libc", 1, 1, atexit);
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LIB_FUNCTION("uMei1W9uyNo", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::exit);
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LIB_FUNCTION("8G2LB+A3rzg", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::atexit);
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LIB_FUNCTION("-QgqOT5u2Vk", "libc", 1, "libc", 1, 1, _Assert);
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LIB_FUNCTION("hcuQgD53UxM", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::printf);
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LIB_OBJ("P330P3dFF68", "libc", 1, "libc", 1, 1, &HLE::Libs::LibC::g_need_sceLibc);
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}
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}
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};
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}; // namespace HLE::Libs::LibC
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@ -7,12 +7,9 @@ namespace HLE::Libs::LibC {
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//functions
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static PS4_SYSV_ABI void init_env();
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static PS4_SYSV_ABI void exit(int code);
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static PS4_SYSV_ABI void _Assert();
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static PS4_SYSV_ABI void catchReturnFromMain(int status);
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int PS4_SYSV_ABI __cxa_guard_acquire(u64* guard_object);
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void PS4_SYSV_ABI __cxa_guard_release(u64* guard_object);
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int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n);
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void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n);
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};
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@ -0,0 +1,29 @@
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#include "libc.h"
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#include <debug.h>
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#include <cstdlib>
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#include <cstring>
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namespace Emulator::HLE::Libraries::LibC {
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PS4_SYSV_ABI int printf(VA_ARGS) {
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VA_CTX(ctx);
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return printf_ctx(&ctx);
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}
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PS4_SYSV_ABI void exit(int code) { std::exit(code); }
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PS4_SYSV_ABI int atexit(void (*func)()) {
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int rt = std::atexit(func);
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if (rt != 0) {
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BREAKPOINT();
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}
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return rt;
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}
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int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n) { return std::memcmp(s1, s2, n); }
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void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n) { return std::memcpy(dest, src, n); }
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}; // namespace Emulator::HLE::Libraries::LibC
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@ -0,0 +1,15 @@
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#pragma once
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#include <types.h>
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#include "printf.h"
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namespace Emulator::HLE::Libraries::LibC {
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// HLE functions
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PS4_SYSV_ABI int printf(VA_ARGS);
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PS4_SYSV_ABI void exit(int code);
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PS4_SYSV_ABI int atexit(void (*func)());
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int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n);
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void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n);
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} // namespace Emulator::HLE::Libraries::LibC
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@ -0,0 +1,696 @@
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///////////////////////////////////////////////////////////////////////////////
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// \author (c) Marco Paland (info@paland.com)
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// 2014-2018, PALANDesign Hannover, Germany
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//
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// \license The MIT License (MIT)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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// \brief Tiny printf, sprintf and snprintf implementation, optimized for speed on
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// embedded systems with a very limited resources.
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// Use this instead of bloated standard/newlib printf.
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// These routines are thread safe and reentrant!
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//
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///////////////////////////////////////////////////////////////////////////////
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// Vita3K emulator project
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// Copyright (C) 2023 Vita3K team
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
|
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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// copied from Vita3k project at 6/10/2023 (latest update 30/06/2023)
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// modifications for adapting va_args parameters
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#pragma once
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#include <stdio.h>
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#include <cstdarg>
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#include <cstdbool>
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#include <cstddef>
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#include <cstdint>
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#include "va_ctx.h"
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namespace Emulator::HLE::Libraries::LibC {
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// ntoa conversion buffer size, this must be big enough to hold
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// one converted numeric number including padded zeros (dynamically created on stack)
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// 32 byte is a good default
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#define PRINTF_NTOA_BUFFER_SIZE 32U
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// ftoa conversion buffer size, this must be big enough to hold
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// one converted float number including padded zeros (dynamically created on stack)
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// 32 byte is a good default
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#define PRINTF_FTOA_BUFFER_SIZE 32U
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// define this to support floating point (%f)
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#define PRINTF_SUPPORT_FLOAT
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// define this to support long long types (%llu or %p)
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#define PRINTF_SUPPORT_LONG_LONG
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// define this to support the ptrdiff_t type (%t)
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// ptrdiff_t is normally defined in <stddef.h> as long or long long type
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#define PRINTF_SUPPORT_PTRDIFF_T
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///////////////////////////////////////////////////////////////////////////////
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// internal flag definitions
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#define FLAGS_ZEROPAD (1U << 0U)
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#define FLAGS_LEFT (1U << 1U)
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#define FLAGS_PLUS (1U << 2U)
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#define FLAGS_SPACE (1U << 3U)
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#define FLAGS_HASH (1U << 4U)
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#define FLAGS_UPPERCASE (1U << 5U)
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#define FLAGS_CHAR (1U << 6U)
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#define FLAGS_SHORT (1U << 7U)
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#define FLAGS_LONG (1U << 8U)
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#define FLAGS_LONG_LONG (1U << 9U)
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#define FLAGS_PRECISION (1U << 10U)
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#define FLAGS_WIDTH (1U << 11U)
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// output function type
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typedef void (*out_fct_type)(char character, void* buffer, size_t idx, size_t maxlen);
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|
||||
// wrapper (used as buffer) for output function type
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typedef struct {
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void (*fct)(char character, void* arg);
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void* arg;
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} out_fct_wrap_type;
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// internal buffer output
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static inline void _out_buffer(char character, void* buffer, size_t idx, size_t maxlen) {
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if (idx < maxlen) {
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((char*)buffer)[idx] = character;
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||||
}
|
||||
}
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|
||||
// internal null output
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||||
static inline void _out_null(char character, void* buffer, size_t idx, size_t maxlen) {
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(void)character;
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(void)buffer;
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(void)idx;
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(void)maxlen;
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}
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||||
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// internal output function wrapper
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static inline void _out_fct(char character, void* buffer, size_t idx, size_t maxlen) {
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(void)idx;
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(void)maxlen;
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// buffer is the output fct pointer
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((out_fct_wrap_type*)buffer)->fct(character, ((out_fct_wrap_type*)buffer)->arg);
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}
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// internal strlen
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// \return The length of the string (excluding the terminating 0)
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||||
static inline unsigned int _strlen(const char* str) {
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||||
const char* s;
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for (s = str; *s; ++s)
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||||
;
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return (unsigned int)(s - str);
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}
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||||
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||||
// internal test if char is a digit (0-9)
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// \return true if char is a digit
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||||
static inline bool _is_digit(char ch) { return (ch >= '0') && (ch <= '9'); }
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|
||||
// internal ASCII string to unsigned int conversion
|
||||
static inline unsigned int _atoi(const char** str) {
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unsigned int i = 0U;
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||||
while (_is_digit(**str)) {
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||||
i = i * 10U + (unsigned int)(*((*str)++) - '0');
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||||
}
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||||
return i;
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||||
}
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||||
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||||
// internal itoa format
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||||
static inline size_t _ntoa_format(out_fct_type out, char* buffer, size_t idx, size_t maxlen, char* buf, size_t len, bool negative, unsigned int base,
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||||
unsigned int prec, unsigned int width, unsigned int flags) {
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||||
const size_t start_idx = idx;
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||||
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||||
// pad leading zeros
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||||
while (!(flags & FLAGS_LEFT) && (len < prec) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
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||||
buf[len++] = '0';
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||||
}
|
||||
while (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
|
||||
// handle hash
|
||||
if (flags & FLAGS_HASH) {
|
||||
if (((len == prec) || (len == width)) && (len > 0U)) {
|
||||
len--;
|
||||
if ((base == 16U) && (len > 0U)) {
|
||||
len--;
|
||||
}
|
||||
}
|
||||
if ((base == 16U) && !(flags & FLAGS_UPPERCASE) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = 'x';
|
||||
}
|
||||
if ((base == 16U) && (flags & FLAGS_UPPERCASE) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = 'X';
|
||||
}
|
||||
if (len < PRINTF_NTOA_BUFFER_SIZE) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
}
|
||||
|
||||
// handle sign
|
||||
if ((len == width) && (negative || (flags & FLAGS_PLUS) || (flags & FLAGS_SPACE))) {
|
||||
len--;
|
||||
}
|
||||
if (len < PRINTF_NTOA_BUFFER_SIZE) {
|
||||
if (negative) {
|
||||
buf[len++] = '-';
|
||||
} else if (flags & FLAGS_PLUS) {
|
||||
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||
} else if (flags & FLAGS_SPACE) {
|
||||
buf[len++] = ' ';
|
||||
}
|
||||
}
|
||||
|
||||
// pad spaces up to given width
|
||||
if (!(flags & FLAGS_LEFT) && !(flags & FLAGS_ZEROPAD)) {
|
||||
for (size_t i = len; i < width; i++) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
|
||||
// reverse string
|
||||
for (size_t i = 0U; i < len; i++) {
|
||||
out(buf[len - i - 1U], buffer, idx++, maxlen);
|
||||
}
|
||||
|
||||
// append pad spaces up to given width
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (idx - start_idx < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
|
||||
return idx;
|
||||
}
|
||||
|
||||
// internal itoa for 'long' type
|
||||
static inline size_t _ntoa_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long value, bool negative, unsigned long base,
|
||||
unsigned int prec, unsigned int width, unsigned int flags) {
|
||||
char buf[PRINTF_NTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
|
||||
// write if precision != 0 and value is != 0
|
||||
if (!(flags & FLAGS_PRECISION) || value) {
|
||||
do {
|
||||
const char digit = (char)(value % base);
|
||||
buf[len++] = digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10;
|
||||
value /= base;
|
||||
} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
|
||||
}
|
||||
|
||||
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
|
||||
}
|
||||
|
||||
// internal itoa for 'long long' type
|
||||
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||
static inline size_t _ntoa_long_long(out_fct_type out, char* buffer, size_t idx, size_t maxlen, unsigned long long value, bool negative,
|
||||
unsigned long long base, unsigned int prec, unsigned int width, unsigned int flags) {
|
||||
char buf[PRINTF_NTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
|
||||
// write if precision != 0 and value is != 0
|
||||
if (!(flags & FLAGS_PRECISION) || value) {
|
||||
do {
|
||||
const char digit = (char)(value % base);
|
||||
buf[len++] = digit < 10 ? '0' + digit : (flags & FLAGS_UPPERCASE ? 'A' : 'a') + digit - 10;
|
||||
value /= base;
|
||||
} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
|
||||
}
|
||||
|
||||
return _ntoa_format(out, buffer, idx, maxlen, buf, len, negative, (unsigned int)base, prec, width, flags);
|
||||
}
|
||||
#endif // PRINTF_SUPPORT_LONG_LONG
|
||||
|
||||
#if defined(PRINTF_SUPPORT_FLOAT)
|
||||
static inline size_t _ftoa(out_fct_type out, char* buffer, size_t idx, size_t maxlen, double value, unsigned int prec, unsigned int width,
|
||||
unsigned int flags) {
|
||||
char buf[PRINTF_FTOA_BUFFER_SIZE];
|
||||
size_t len = 0U;
|
||||
double diff = 0.0;
|
||||
|
||||
// if input is larger than thres_max, revert to exponential
|
||||
const double thres_max = (double)0x7FFFFFFF;
|
||||
|
||||
// powers of 10
|
||||
static const double pow10[] = {1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000};
|
||||
|
||||
// test for negative
|
||||
bool negative = false;
|
||||
if (value < 0) {
|
||||
negative = true;
|
||||
value = 0 - value;
|
||||
}
|
||||
|
||||
// set default precision to 6, if not set explicitly
|
||||
if (!(flags & FLAGS_PRECISION)) {
|
||||
prec = 6U;
|
||||
}
|
||||
// limit precision to 9, cause a prec >= 10 can lead to overflow errors
|
||||
while ((len < PRINTF_FTOA_BUFFER_SIZE) && (prec > 9U)) {
|
||||
buf[len++] = '0';
|
||||
prec--;
|
||||
}
|
||||
|
||||
int whole = (int)value;
|
||||
double tmp = (value - whole) * pow10[prec];
|
||||
unsigned long frac = (unsigned long)tmp;
|
||||
diff = tmp - frac;
|
||||
|
||||
if (diff > 0.5) {
|
||||
++frac;
|
||||
// handle rollover, e.g. case 0.99 with prec 1 is 1.0
|
||||
if (frac >= pow10[prec]) {
|
||||
frac = 0;
|
||||
++whole;
|
||||
}
|
||||
} else if ((diff == 0.5) && ((frac == 0U) || (frac & 1U))) {
|
||||
// if halfway, round up if odd, OR if last digit is 0
|
||||
++frac;
|
||||
}
|
||||
|
||||
// TBD: for very large numbers switch back to native sprintf for exponentials. Anyone want to write code to replace this?
|
||||
// Normal printf behavior is to print EVERY whole number digit which can be 100s of characters overflowing your buffers == bad
|
||||
if (value > thres_max) {
|
||||
return 0U;
|
||||
}
|
||||
|
||||
if (prec == 0U) {
|
||||
diff = value - (double)whole;
|
||||
if (diff > 0.5) {
|
||||
// greater than 0.5, round up, e.g. 1.6 -> 2
|
||||
++whole;
|
||||
} else if ((diff == 0.5) && (whole & 1)) {
|
||||
// exactly 0.5 and ODD, then round up
|
||||
// 1.5 -> 2, but 2.5 -> 2
|
||||
++whole;
|
||||
}
|
||||
} else {
|
||||
unsigned int count = prec;
|
||||
// now do fractional part, as an unsigned number
|
||||
while (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||
--count;
|
||||
buf[len++] = (char)(48U + (frac % 10U));
|
||||
if (!(frac /= 10U)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
// add extra 0s
|
||||
while ((len < PRINTF_FTOA_BUFFER_SIZE) && (count-- > 0U)) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
if (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||
// add decimal
|
||||
buf[len++] = '.';
|
||||
}
|
||||
}
|
||||
|
||||
// do whole part, number is reversed
|
||||
while (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||
buf[len++] = (char)(48 + (whole % 10));
|
||||
if (!(whole /= 10)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// pad leading zeros
|
||||
while (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD) && (len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {
|
||||
buf[len++] = '0';
|
||||
}
|
||||
|
||||
// handle sign
|
||||
if ((len == width) && (negative || (flags & FLAGS_PLUS) || (flags & FLAGS_SPACE))) {
|
||||
len--;
|
||||
}
|
||||
if (len < PRINTF_FTOA_BUFFER_SIZE) {
|
||||
if (negative) {
|
||||
buf[len++] = '-';
|
||||
} else if (flags & FLAGS_PLUS) {
|
||||
buf[len++] = '+'; // ignore the space if the '+' exists
|
||||
} else if (flags & FLAGS_SPACE) {
|
||||
buf[len++] = ' ';
|
||||
}
|
||||
}
|
||||
|
||||
// pad spaces up to given width
|
||||
if (!(flags & FLAGS_LEFT) && !(flags & FLAGS_ZEROPAD)) {
|
||||
for (size_t i = len; i < width; i++) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
|
||||
// reverse string
|
||||
for (size_t i = 0U; i < len; i++) {
|
||||
out(buf[len - i - 1U], buffer, idx++, maxlen);
|
||||
}
|
||||
|
||||
// append pad spaces up to given width
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (idx < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
|
||||
return idx;
|
||||
}
|
||||
#endif // PRINTF_SUPPORT_FLOAT
|
||||
|
||||
// internal vsnprintf
|
||||
static inline int _vsnprintf(out_fct_type out, char* buffer, const char* format, VaList* va_list) {
|
||||
unsigned int flags, width, precision, n;
|
||||
size_t idx = 0U;
|
||||
auto maxlen = static_cast<size_t>(-1);
|
||||
|
||||
if (!buffer) {
|
||||
// use null output function
|
||||
out = _out_null;
|
||||
}
|
||||
|
||||
while (*format) {
|
||||
// format specifier? %[flags][width][.precision][length]
|
||||
if (*format != '%') {
|
||||
// no
|
||||
out(*format, buffer, idx++, maxlen);
|
||||
format++;
|
||||
continue;
|
||||
} else {
|
||||
// yes, evaluate it
|
||||
format++;
|
||||
}
|
||||
|
||||
// evaluate flags
|
||||
flags = 0U;
|
||||
do {
|
||||
switch (*format) {
|
||||
case '0':
|
||||
flags |= FLAGS_ZEROPAD;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '-':
|
||||
flags |= FLAGS_LEFT;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '+':
|
||||
flags |= FLAGS_PLUS;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case ' ':
|
||||
flags |= FLAGS_SPACE;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
case '#':
|
||||
flags |= FLAGS_HASH;
|
||||
format++;
|
||||
n = 1U;
|
||||
break;
|
||||
default: n = 0U; break;
|
||||
}
|
||||
} while (n);
|
||||
|
||||
// evaluate width field
|
||||
width = 0U;
|
||||
if (_is_digit(*format)) {
|
||||
width = _atoi(&format);
|
||||
} else if (*format == '*') {
|
||||
const int w = vaArgInteger(va_list); // const int w = va.next<int>(cpu, mem);
|
||||
|
||||
if (w < 0) {
|
||||
flags |= FLAGS_LEFT; // reverse padding
|
||||
width = (unsigned int)-w;
|
||||
} else {
|
||||
width = (unsigned int)w;
|
||||
}
|
||||
format++;
|
||||
}
|
||||
|
||||
// evaluate precision field
|
||||
precision = 0U;
|
||||
if (*format == '.') {
|
||||
flags |= FLAGS_PRECISION;
|
||||
format++;
|
||||
if (_is_digit(*format)) {
|
||||
precision = _atoi(&format);
|
||||
} else if (*format == '*') {
|
||||
precision = vaArgInteger(va_list); // precision = (unsigned int)va.next<int>(cpu, mem);
|
||||
format++;
|
||||
}
|
||||
}
|
||||
|
||||
// evaluate length field
|
||||
switch (*format) {
|
||||
case 'l':
|
||||
flags |= FLAGS_LONG;
|
||||
format++;
|
||||
if (*format == 'l') {
|
||||
flags |= FLAGS_LONG_LONG;
|
||||
format++;
|
||||
}
|
||||
break;
|
||||
case 'h':
|
||||
flags |= FLAGS_SHORT;
|
||||
format++;
|
||||
if (*format == 'h') {
|
||||
flags |= FLAGS_CHAR;
|
||||
format++;
|
||||
}
|
||||
break;
|
||||
#if defined(PRINTF_SUPPORT_PTRDIFF_T)
|
||||
case 't':
|
||||
flags |= (sizeof(ptrdiff_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
#endif
|
||||
case 'j':
|
||||
flags |= (sizeof(intmax_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
case 'z':
|
||||
flags |= (sizeof(size_t) == sizeof(long) ? FLAGS_LONG : FLAGS_LONG_LONG);
|
||||
format++;
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
|
||||
// evaluate specifier
|
||||
switch (*format) {
|
||||
case 'd':
|
||||
case 'i':
|
||||
case 'u':
|
||||
case 'x':
|
||||
case 'X':
|
||||
case 'o':
|
||||
case 'b': {
|
||||
// set the base
|
||||
unsigned int base;
|
||||
if (*format == 'x' || *format == 'X') {
|
||||
base = 16U;
|
||||
} else if (*format == 'o') {
|
||||
base = 8U;
|
||||
} else if (*format == 'b') {
|
||||
base = 2U;
|
||||
flags &= ~FLAGS_HASH; // no hash for bin format
|
||||
} else {
|
||||
base = 10U;
|
||||
flags &= ~FLAGS_HASH; // no hash for dec format
|
||||
}
|
||||
// uppercase
|
||||
if (*format == 'X') {
|
||||
flags |= FLAGS_UPPERCASE;
|
||||
}
|
||||
|
||||
// no plus or space flag for u, x, X, o, b
|
||||
if ((*format != 'i') && (*format != 'd')) {
|
||||
flags &= ~(FLAGS_PLUS | FLAGS_SPACE);
|
||||
}
|
||||
|
||||
// convert the integer
|
||||
if ((*format == 'i') || (*format == 'd')) {
|
||||
// signed
|
||||
if (flags & FLAGS_LONG_LONG) {
|
||||
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||
auto value = vaArgLongLong(va_list); // const long long value = va.next<long long>(cpu, mem);
|
||||
idx = _ntoa_long_long(out, buffer, idx, maxlen, (unsigned long long)(value > 0 ? value : 0 - value), value < 0, base,
|
||||
precision, width, flags);
|
||||
#endif
|
||||
} else if (flags & FLAGS_LONG) {
|
||||
auto value = vaArgLong(va_list); // const long value = va.next<long>(cpu, mem);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)(value > 0 ? value : 0 - value), value < 0, base, precision, width,
|
||||
flags);
|
||||
} else {
|
||||
// const int value = (flags & FLAGS_CHAR) ? (char)va.next<int>(cpu, mem) : (flags & FLAGS_SHORT) ? (short
|
||||
// int)va.next<int>(cpu, mem): va.next<int>(cpu, mem);
|
||||
const int value = (flags & FLAGS_CHAR) ? static_cast<char>(vaArgInteger(va_list))
|
||||
: (flags & FLAGS_SHORT) ? static_cast<int16_t>(vaArgInteger(va_list))
|
||||
: vaArgInteger(va_list);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned int)(value > 0 ? value : 0 - value), value < 0, base, precision, width,
|
||||
flags);
|
||||
}
|
||||
} else {
|
||||
// unsigned
|
||||
if (flags & FLAGS_LONG_LONG) {
|
||||
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||
// idx = _ntoa_long_long(out, buffer, idx, maxlen, va.next<unsigned long long>(cpu, mem), false, base, precision, width,
|
||||
// flags);
|
||||
idx =
|
||||
_ntoa_long_long(out, buffer, idx, maxlen, static_cast<u64>(vaArgLongLong(va_list)), false, base, precision, width, flags);
|
||||
#endif
|
||||
} else if (flags & FLAGS_LONG) {
|
||||
// idx = _ntoa_long(out, buffer, idx, maxlen, va.next<unsigned long>(cpu, mem), false, base, precision, width, flags);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, static_cast<u32>(vaArgLong(va_list)), false, base, precision, width, flags);
|
||||
} else {
|
||||
// const unsigned int value = (flags & FLAGS_CHAR) ? (unsigned char)va.next<unsigned int>(cpu, mem) : (flags & FLAGS_SHORT) ?
|
||||
// (unsigned short int)va.next<unsigned int>(cpu, mem) : va.next<unsigned int>(cpu, mem);
|
||||
const unsigned int value = (flags & FLAGS_CHAR) ? static_cast<u08>(vaArgInteger(va_list))
|
||||
: (flags & FLAGS_SHORT) ? static_cast<u16>(vaArgInteger(va_list))
|
||||
: static_cast<u32>(vaArgInteger(va_list));
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, value, false, base, precision, width, flags);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
#if defined(PRINTF_SUPPORT_FLOAT)
|
||||
case 'f':
|
||||
case 'F':
|
||||
// idx = _ftoa(out, buffer, idx, maxlen, va.next<double>(cpu, mem), precision, width, flags);
|
||||
idx = _ftoa(out, buffer, idx, maxlen, vaArgDouble(va_list), precision, width, flags);
|
||||
format++;
|
||||
break;
|
||||
#endif // PRINTF_SUPPORT_FLOAT
|
||||
case 'c': {
|
||||
unsigned int l = 1U;
|
||||
// pre padding
|
||||
if (!(flags & FLAGS_LEFT)) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
// char output
|
||||
// out((char)va.next<int>(cpu, mem), buffer, idx++, maxlen);
|
||||
out(static_cast<char>(vaArgInteger(va_list)), buffer, idx++, maxlen);
|
||||
// post padding
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case 's': {
|
||||
const char* p = vaArgPtr<const char>(va_list); // const char *p = va.next<Ptr<char>>(cpu, mem).get(mem);
|
||||
p = p != nullptr ? p : "(null)";
|
||||
unsigned int l = _strlen(p);
|
||||
// pre padding
|
||||
if (flags & FLAGS_PRECISION) {
|
||||
l = (l < precision ? l : precision);
|
||||
}
|
||||
if (!(flags & FLAGS_LEFT)) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
// string output
|
||||
while ((*p != 0) && (!(flags & FLAGS_PRECISION) || precision--)) {
|
||||
out(*(p++), buffer, idx++, maxlen);
|
||||
}
|
||||
// post padding
|
||||
if (flags & FLAGS_LEFT) {
|
||||
while (l++ < width) {
|
||||
out(' ', buffer, idx++, maxlen);
|
||||
}
|
||||
}
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case 'p': {
|
||||
width = sizeof(void*) * 2U;
|
||||
flags |= FLAGS_ZEROPAD | FLAGS_UPPERCASE;
|
||||
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||
const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
|
||||
if (is_ll) {
|
||||
// idx = _ntoa_long_long(out, buffer, idx, maxlen, (uintptr_t)va.next<Ptr<void>>(cpu, mem).address(), false, 16U, precision,
|
||||
// width, flags);
|
||||
idx = _ntoa_long_long(out, buffer, idx, maxlen, reinterpret_cast<uintptr_t>(vaArgPtr<void>(va_list)), false, 16U, precision,
|
||||
width, flags);
|
||||
} else {
|
||||
#endif
|
||||
// idx = _ntoa_long(out, buffer, idx, maxlen, (unsigned long)((uintptr_t)va.next<Ptr<void>>(cpu, mem).address()), false, 16U,
|
||||
// precision, width, flags);
|
||||
idx = _ntoa_long(out, buffer, idx, maxlen, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(vaArgPtr<void>(va_list))), false,
|
||||
16U, precision, width, flags);
|
||||
#if defined(PRINTF_SUPPORT_LONG_LONG)
|
||||
}
|
||||
#endif
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
|
||||
case '%':
|
||||
out('%', buffer, idx++, maxlen);
|
||||
format++;
|
||||
break;
|
||||
|
||||
default:
|
||||
out(*format, buffer, idx++, maxlen);
|
||||
format++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// termination
|
||||
out((char)0, buffer, idx < maxlen ? idx : maxlen - 1U, maxlen);
|
||||
|
||||
// return written chars without terminating \0
|
||||
return (int)idx;
|
||||
}
|
||||
|
||||
static int printf_ctx(VaCtx* ctx) {
|
||||
const char* format = vaArgPtr<const char>(&ctx->va_list);
|
||||
char buffer[256];
|
||||
int result = _vsnprintf(_out_buffer, buffer, format, &ctx->va_list);
|
||||
printf("%s", buffer);
|
||||
return result;
|
||||
}
|
||||
|
||||
} // namespace Emulator::HLE::Libraries::LibC
|
||||
|
|
@ -0,0 +1,106 @@
|
|||
#include <types.h>
|
||||
#include <xmmintrin.h>
|
||||
|
||||
#define VA_ARGS \
|
||||
uint64_t rdi, uint64_t rsi, uint64_t rdx, uint64_t rcx, uint64_t r8, uint64_t r9, uint64_t overflow_arg_area, __m128 xmm0, __m128 xmm1, \
|
||||
__m128 xmm2, __m128 xmm3, __m128 xmm4, __m128 xmm5, __m128 xmm6, __m128 xmm7, ...
|
||||
|
||||
#define VA_CTX(ctx) \
|
||||
alignas(16) VaCtx ctx; \
|
||||
(ctx).reg_save_area.gp[0] = rdi; \
|
||||
(ctx).reg_save_area.gp[1] = rsi; \
|
||||
(ctx).reg_save_area.gp[2] = rdx; \
|
||||
(ctx).reg_save_area.gp[3] = rcx; \
|
||||
(ctx).reg_save_area.gp[4] = r8; \
|
||||
(ctx).reg_save_area.gp[5] = r9; \
|
||||
(ctx).reg_save_area.fp[0] = xmm0; \
|
||||
(ctx).reg_save_area.fp[1] = xmm1; \
|
||||
(ctx).reg_save_area.fp[2] = xmm2; \
|
||||
(ctx).reg_save_area.fp[3] = xmm3; \
|
||||
(ctx).reg_save_area.fp[4] = xmm4; \
|
||||
(ctx).reg_save_area.fp[5] = xmm5; \
|
||||
(ctx).reg_save_area.fp[6] = xmm6; \
|
||||
(ctx).reg_save_area.fp[7] = xmm7; \
|
||||
(ctx).va_list.reg_save_area = &(ctx).reg_save_area; \
|
||||
(ctx).va_list.gp_offset = offsetof(VaRegSave, gp); \
|
||||
(ctx).va_list.fp_offset = offsetof(VaRegSave, fp); \
|
||||
(ctx).va_list.overflow_arg_area = &overflow_arg_area;
|
||||
|
||||
namespace Emulator::HLE::Libraries::LibC {
|
||||
|
||||
// https://stackoverflow.com/questions/4958384/what-is-the-format-of-the-x86-64-va-list-structure
|
||||
|
||||
struct VaList {
|
||||
u32 gp_offset;
|
||||
u32 fp_offset;
|
||||
void* overflow_arg_area;
|
||||
void* reg_save_area;
|
||||
};
|
||||
|
||||
struct VaRegSave {
|
||||
u64 gp[6];
|
||||
__m128 fp[8];
|
||||
};
|
||||
|
||||
struct VaCtx {
|
||||
VaRegSave reg_save_area;
|
||||
VaList va_list;
|
||||
};
|
||||
|
||||
template <class T, uint32_t Size>
|
||||
T vaArgRegSaveAreaGp(VaList* l) {
|
||||
auto* addr = reinterpret_cast<T*>(static_cast<u08*>(l->reg_save_area) + l->gp_offset);
|
||||
l->gp_offset += Size;
|
||||
return *addr;
|
||||
}
|
||||
template <class T, u64 Align, u64 Size>
|
||||
T vaArgOverflowArgArea(VaList* l) {
|
||||
auto ptr = ((reinterpret_cast<u64>(l->overflow_arg_area) + (Align - 1)) & ~(Align - 1));
|
||||
auto* addr = reinterpret_cast<T*>(ptr);
|
||||
l->overflow_arg_area = reinterpret_cast<void*>(ptr + Size);
|
||||
return *addr;
|
||||
}
|
||||
|
||||
template <class T, uint32_t Size>
|
||||
T vaArgRegSaveAreaFp(VaList* l) {
|
||||
auto* addr = reinterpret_cast<T*>(static_cast<u08*>(l->reg_save_area) + l->fp_offset);
|
||||
l->fp_offset += Size;
|
||||
return *addr;
|
||||
}
|
||||
|
||||
inline int vaArgInteger(VaList* l) {
|
||||
if (l->gp_offset <= 40) {
|
||||
return vaArgRegSaveAreaGp<int, 8>(l);
|
||||
}
|
||||
return vaArgOverflowArgArea<int, 1, 8>(l);
|
||||
}
|
||||
|
||||
inline long long vaArgLongLong(VaList* l) {
|
||||
if (l->gp_offset <= 40) {
|
||||
return vaArgRegSaveAreaGp<long long, 8>(l);
|
||||
}
|
||||
return vaArgOverflowArgArea<long long, 1, 8>(l);
|
||||
}
|
||||
inline long vaArgLong(VaList* l) {
|
||||
if (l->gp_offset <= 40) {
|
||||
return vaArgRegSaveAreaGp<long, 8>(l);
|
||||
}
|
||||
return vaArgOverflowArgArea<long, 1, 8>(l);
|
||||
}
|
||||
|
||||
inline double vaArgDouble(VaList* l) {
|
||||
if (l->fp_offset <= 160) {
|
||||
return vaArgRegSaveAreaFp<double, 16>(l);
|
||||
}
|
||||
return vaArgOverflowArgArea<double, 1, 8>(l);
|
||||
}
|
||||
|
||||
template <class T>
|
||||
T* vaArgPtr(VaList* l) {
|
||||
if (l->gp_offset <= 40) {
|
||||
return vaArgRegSaveAreaGp<T*, 8>(l);
|
||||
}
|
||||
return vaArgOverflowArgArea<T*, 1, 8>(l);
|
||||
}
|
||||
|
||||
} // namespace Emulator::HLE::Libraries::LibC
|
||||
Loading…
Reference in New Issue