summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authoraap <aap@papnet.eu>2020-03-28 20:01:18 +0100
committerGitHub <noreply@github.com>2020-03-28 20:01:18 +0100
commit8623bc97526a2b16ba48f3626722efed2892f539 (patch)
tree57bd1356ad4a104bc61045579bfc0b82ca101433 /src
parentMerge pull request #363 from erorcun/erorcun (diff)
parentCleanup patching system (diff)
downloadre3-8623bc97526a2b16ba48f3626722efed2892f539.tar
re3-8623bc97526a2b16ba48f3626722efed2892f539.tar.gz
re3-8623bc97526a2b16ba48f3626722efed2892f539.tar.bz2
re3-8623bc97526a2b16ba48f3626722efed2892f539.tar.lz
re3-8623bc97526a2b16ba48f3626722efed2892f539.tar.xz
re3-8623bc97526a2b16ba48f3626722efed2892f539.tar.zst
re3-8623bc97526a2b16ba48f3626722efed2892f539.zip
Diffstat (limited to 'src')
-rw-r--r--src/core/patcher.cpp57
-rw-r--r--src/core/patcher.h12
-rw-r--r--src/core/re3.cpp54
3 files changed, 60 insertions, 63 deletions
diff --git a/src/core/patcher.cpp b/src/core/patcher.cpp
index 5fdbdf8b..19ca5f07 100644
--- a/src/core/patcher.cpp
+++ b/src/core/patcher.cpp
@@ -1,6 +1,11 @@
#include "common.h"
#include "patcher.h"
+#include <algorithm>
+#include <vector>
+
+#include <Windows.h>
+
StaticPatcher *StaticPatcher::ms_head;
StaticPatcher::StaticPatcher(Patcher func)
@@ -20,3 +25,55 @@ StaticPatcher::Apply()
}
ms_head = nil;
}
+
+std::vector<uint32> usedAddresses;
+
+static DWORD protect[2];
+static uint32 protect_address;
+static uint32 protect_size;
+
+void
+Protect_internal(uint32 address, uint32 size)
+{
+ protect_address = address;
+ protect_size = size;
+ VirtualProtect((void*)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
+}
+
+void
+Unprotect_internal(void)
+{
+ VirtualProtect((void*)protect_address, protect_size, protect[0], &protect[1]);
+}
+
+void
+InjectHook_internal(uint32 address, uint32 hook, int type)
+{
+ if(std::any_of(usedAddresses.begin(), usedAddresses.end(),
+ [address](uint32 value) { return value == address; })) {
+ debug("Used address %#06x twice when injecting hook\n", address);
+ }
+
+ usedAddresses.push_back(address);
+
+
+ switch(type){
+ case PATCH_JUMP:
+ VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]);
+ *(uint8*)address = 0xE9;
+ break;
+ case PATCH_CALL:
+ VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]);
+ *(uint8*)address = 0xE8;
+ break;
+ default:
+ VirtualProtect((void*)(address + 1), 4, PAGE_EXECUTE_READWRITE, &protect[0]);
+ break;
+ }
+
+ *(ptrdiff_t*)(address + 1) = hook - address - 5;
+ if(type == PATCH_NOTHING)
+ VirtualProtect((void*)(address + 1), 4, protect[0], &protect[1]);
+ else
+ VirtualProtect((void*)address, 5, protect[0], &protect[1]);
+} \ No newline at end of file
diff --git a/src/core/patcher.h b/src/core/patcher.h
index 3dfbb05c..2722b6fd 100644
--- a/src/core/patcher.h
+++ b/src/core/patcher.h
@@ -117,16 +117,10 @@ Nop(AT address, unsigned int nCount)
Unprotect_internal();
}
-template<typename AT, typename HT> inline void
-InjectHook(AT address, HT hook, unsigned int nType=PATCH_NOTHING)
+template <typename T> inline void
+InjectHook(uintptr_t address, T hook, unsigned int nType = PATCH_NOTHING)
{
- uint32 uiHook;
- _asm
- {
- mov eax, hook
- mov uiHook, eax
- }
- InjectHook_internal((uint32)address, uiHook, nType);
+ InjectHook_internal(address, reinterpret_cast<uintptr_t>((void *&)hook), nType);
}
inline void ExtractCall(void *dst, uint32_t a)
diff --git a/src/core/re3.cpp b/src/core/re3.cpp
index 137a890c..a65e6d76 100644
--- a/src/core/re3.cpp
+++ b/src/core/re3.cpp
@@ -22,62 +22,8 @@
#include "Console.h"
#include "Debug.h"
-#include <algorithm>
-#include <vector>
#include <list>
-std::vector<int32> usedAddresses;
-
-static DWORD protect[2];
-static uint32 protect_address;
-static uint32 protect_size;
-
-void
-Protect_internal(uint32 address, uint32 size)
-{
- protect_address = address;
- protect_size = size;
- VirtualProtect((void*)address, size, PAGE_EXECUTE_READWRITE, &protect[0]);
-}
-
-void
-Unprotect_internal(void)
-{
- VirtualProtect((void*)protect_address, protect_size, protect[0], &protect[1]);
-}
-
-void
-InjectHook_internal(uint32 address, uint32 hook, int type)
-{
- if(std::any_of(usedAddresses.begin(), usedAddresses.end(),
- [address](uint32 value) { return (int32)value == address; })) {
- debug("Used address %#06x twice when injecting hook\n", address);
- }
-
- usedAddresses.push_back((int32)address);
-
-
- switch(type){
- case PATCH_JUMP:
- VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]);
- *(uint8*)address = 0xE9;
- break;
- case PATCH_CALL:
- VirtualProtect((void*)address, 5, PAGE_EXECUTE_READWRITE, &protect[0]);
- *(uint8*)address = 0xE8;
- break;
- default:
- VirtualProtect((void*)((uint32)address + 1), 4, PAGE_EXECUTE_READWRITE, &protect[0]);
- break;
- }
-
- *(ptrdiff_t*)(address + 1) = hook - address - 5;
- if(type == PATCH_NOTHING)
- VirtualProtect((void*)(address + 1), 4, protect[0], &protect[1]);
- else
- VirtualProtect((void*)address, 5, protect[0], &protect[1]);
-}
-
void **rwengine = *(void***)0x5A10E1;
DebugMenuAPI gDebugMenuAPI;