Stubs: Auto add aerolib, add __error to libc, libkernel

CMakeLists.txt

@@ -40,6 +40,7 @@ add_executable(shadps4
     src/Core/virtual_memory.h
     src/Core/PS4/Linker.cpp
     src/Core/PS4/Linker.h
+    src/Core/PS4/Util/aerolib.cpp
     src/Lib/Threads.cpp
     src/Lib/Threads.h
     src/Core/PS4/HLE/Kernel/Objects/physical_memory.h

src/Core/PS4/HLE/LibC.cpp

@@ -91,7 +91,8 @@ namespace HLE::Libs::LibC {
         return rt;
 	}
     static PS4_SYSV_ABI void _Assert() { BREAKPOINT(); }
-
+    static PS4_SYSV_ABI int* _Error() { return _errno(); }
+    
 	void LibC_Register(SymbolsResolver* sym)
 	{
         LIB_FUNCTION("bzQExy189ZI", "libc", 1, "libc", 1, 1, init_env);
@@ -103,6 +104,8 @@ namespace HLE::Libs::LibC {
         LIB_FUNCTION("uMei1W9uyNo", "libc", 1, "libc", 1, 1, exit);
         LIB_FUNCTION("8G2LB+A3rzg", "libc", 1, "libc", 1, 1, atexit);
         LIB_FUNCTION("-QgqOT5u2Vk", "libc", 1, "libc", 1, 1, _Assert);
+        LIB_FUNCTION("9BcDykPmo1I", "libc", 1, "libc", 1, 1, _Error);
+        
 
 		LIB_OBJ("P330P3dFF68", "libc", 1, "libc", 1, 1, &HLE::Libs::LibC::g_need_sceLibc);
     }

src/Core/PS4/HLE/LibKernel.cpp

@@ -26,6 +26,9 @@ namespace HLE::Libs::LibKernel {
         QueryPerformanceCounter(&c);
         return c.QuadPart;
     }
+
+    static PS4_SYSV_ABI int* _Error() { return _errno(); }
+
     void LibKernel_Register(SymbolsResolver* sym) { 
         //obj
         LIB_OBJ("f7uOxY9mM1U", "libkernel", 1, "libkernel", 1, 1, &HLE::Libs::LibKernel::g_stack_chk_guard);
@@ -42,6 +45,8 @@ namespace HLE::Libs::LibKernel {
         LIB_FUNCTION("Ou3iL1abvng", "libkernel", 1, "libkernel", 1, 1, stack_chk_fail);
         //time
         LIB_FUNCTION("-2IRUCO--PM", "libkernel", 1, "libkernel", 1, 1, sceKernelReadTsc);
+
+        LIB_FUNCTION("9BcDykPmo1I", "libkernel", 1, "libkernel", 1, 1, _Error);
     }
 
 }; 

src/Core/PS4/Linker.cpp

@@ -590,6 +590,25 @@ void Linker::Relocate(Module* m)
 }
 
 
+std::vector<std::string> unresolved_ids;
+
+template<int idx>
+static u64 unresolved_i() {
+    LOG_CRITICAL_IF(true, "{} unresolved STUB called!!!\n", unresolved_ids[idx]);
+
+    return 0;
+}
+
+u64 unresolved_handlers[] = {(u64)&unresolved_i<0>, (u64)&unresolved_i<1>, (u64)&unresolved_i<2>,
+                                          (u64)&unresolved_i<3>, (u64)&unresolved_i<4>, (u64)&unresolved_i<5>,
+                                          (u64)&unresolved_i<6>, (u64)&unresolved_i<7>, 0};
+
+static u64 unresolved() { 
+	LOG_CRITICAL_IF(true, "unknown unresolved STUB called!!!\n");
+
+	return 0;
+}
+
 void Linker::Resolve(const std::string& name, int Symtype, Module* m, SymbolRecord* return_info) { 
 	auto ids = StringUtil::split_string(name, '#');
 
@@ -616,8 +635,20 @@ void Linker::Resolve(const std::string& name, int Symtype, Module* m, SymbolReco
             if (rec != nullptr) {
                 *return_info = *rec;
             } else {
-                return_info->virtual_address = 0;
+                auto it = aerolib::symbolsStubsMap.find(sr.name);
-                return_info->name = "Unresolved!!!";
+
+                if (it != aerolib::symbolsStubsMap.end()) {
+                    return_info->virtual_address = it->second;
+                    return_info->name = aerolib::symbolsMap[sr.name];
+                } else {
+                    if (unresolved_handlers[unresolved_ids.size()] == 0) {
+						return_info->virtual_address = (u64)&unresolved;
+                    } else {
+                        return_info->virtual_address = unresolved_handlers[unresolved_ids.size()];
+                        unresolved_ids.push_back(sr.name);
+                    }
+                    return_info->name = "Unresolved!!!";
+				}
             }
 		}
 		else

src/Core/PS4/Loader/SymbolsResolver.cpp

@@ -2,6 +2,8 @@
 #include "SymbolsResolver.h"
 #include <Util/log.h>
 
+#include "../Util/aerolib.h"
+
 
 void SymbolsResolver::AddSymbol(const SymbolRes& s, u64 virtual_addr)
 {
@@ -27,6 +29,16 @@ const SymbolRecord* SymbolsResolver::FindSymbol(const SymbolRes& s) const {
         }
         index++;
     }
-    LOG_INFO_IF(true, "unresolved! {}\n", name);
+
+    std::string UnhashedName = "Unknown Unhashed Name";
+
+    auto guess = aerolib::symbolsMap.find(s.name);
+    if (guess != aerolib::symbolsMap.end()) {
+        UnhashedName = guess->second;
+        LOG_INFO_IF(true, "unresolved! {} {}\n", name, UnhashedName);
+    } else {
+        LOG_ERROR_IF(true, "unresolved! {} {}\n", name, UnhashedName);
+    }
+
 	return nullptr; 
 }

src/Core/PS4/Util/aerolib.cpp

@@ -0,0 +1,29 @@
+#include <map>
+#include <string>
+
+#include "types.h"
+
+#include <Util/log.h>
+
+namespace aerolib {
+	#define STUB(a, b) { a, #b },
+	std::map<std::string, std::string> symbolsMap = {
+		#include "stubs.h"
+	};
+	#undef STUB
+
+	#define STUB(a, b) \
+        uint64_t PS4_SYSV_ABI stub_##b() { \
+			LOG_ERROR_IF(true, #b " STUB!\n"); \
+			 \
+			return 0; \
+		}
+	#include "stubs.h"
+	#undef STUB
+
+	#define STUB(a, b) {a, (uint64_t) & stub_##b},
+		std::map<std::string, uint64_t> symbolsStubsMap = {
+			#include "stubs.h"
+		};
+	#undef STUB
+    };