mirror of
https://github.com/geode-sdk/geode.git
synced 2024-12-14 18:11:15 -05:00
50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
#include "InterceptRouting/RoutingPlugin/NearBranchTrampoline/NearBranchTrampoline.h"
|
|
|
|
#include "dobby_internal.h"
|
|
|
|
#include "MemoryAllocator/NearMemoryArena.h"
|
|
|
|
#include "InterceptRouting/RoutingPlugin/RoutingPlugin.h"
|
|
|
|
using namespace zz;
|
|
|
|
PUBLIC void dobby_enable_near_branch_trampoline() {
|
|
RoutingPluginInterface *plugin = new NearBranchTrampolinePlugin;
|
|
RoutingPluginManager::registerPlugin("near_branch_trampoline", plugin);
|
|
RoutingPluginManager::near_branch_trampoline = plugin;
|
|
}
|
|
|
|
PUBLIC void dobby_disable_near_branch_trampoline() {
|
|
NearBranchTrampolinePlugin *plugin = (NearBranchTrampolinePlugin *)RoutingPluginManager::near_branch_trampoline;
|
|
delete plugin;
|
|
RoutingPluginManager::near_branch_trampoline = NULL;
|
|
}
|
|
|
|
#if 0
|
|
int NearBranchTrampolinePlugin::PredefinedTrampolineSize() {
|
|
#if __arm64__
|
|
return 4;
|
|
#elif __arm__
|
|
return 4;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
extern CodeBufferBase *GenerateNearTrampolineBuffer(InterceptRouting *routing, addr_t from, addr_t to);
|
|
bool NearBranchTrampolinePlugin::GenerateTrampolineBuffer(InterceptRouting *routing, void *src, void *dst) {
|
|
CodeBufferBase *trampoline_buffer;
|
|
trampoline_buffer = GenerateNearTrampolineBuffer(routing, (addr_t)src, (addr_t)dst);
|
|
if (trampoline_buffer == NULL)
|
|
return false;
|
|
routing->SetTrampolineBuffer(trampoline_buffer);
|
|
return true;
|
|
}
|
|
|
|
// generate trampoline, patch the original entry
|
|
bool NearBranchTrampolinePlugin::Active(InterceptRouting *routing) {
|
|
addr_t src, dst;
|
|
HookEntry *entry = routing->GetHookEntry();
|
|
src = (addr_t)entry->target_address;
|
|
dst = (addr_t)routing->GetTrampolineTarget();
|
|
return true;
|
|
}
|