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#include "binaryninjaapi.h"
#include "lowlevelilinstruction.h"
using namespace BinaryNinja;
using namespace std;
Ref<Platform> g_efiX86, g_efiX64, g_efiArm, g_efiThumb, g_efiArm64;
class EFIX86Platform : public Platform
{
public:
EFIX86Platform(Architecture* arch) : Platform(arch, "efi-x86")
{
Ref<CallingConvention> cc;
cc = arch->GetCallingConventionByName("cdecl");
if (cc)
{
RegisterDefaultCallingConvention(cc);
RegisterCdeclCallingConvention(cc);
}
cc = arch->GetCallingConventionByName("fastcall");
if (cc)
RegisterFastcallCallingConvention(cc);
cc = arch->GetCallingConventionByName("stdcall");
if (cc)
RegisterStdcallCallingConvention(cc);
cc = arch->GetCallingConventionByName("thiscall");
if (cc)
RegisterCallingConvention(cc);
// Linux-style register convention is commonly used by Borland compilers
cc = arch->GetCallingConventionByName("regparm");
if (cc)
RegisterCallingConvention(cc);
}
static Ref<Platform> Recognize(BinaryView* view, Metadata* metadata)
{
Ref<Metadata> subsystem = metadata->Get("Subsystem");
if (!subsystem || !subsystem->IsUnsignedInteger())
return nullptr;
if (subsystem->GetUnsignedInteger() >= 10 && subsystem->GetUnsignedInteger() <= 13)
return g_efiX86;
return nullptr;
}
};
class EFIX64Platform : public Platform
{
public:
EFIX64Platform(Architecture* arch) : Platform(arch, "efi-x86_64")
{
Ref<CallingConvention> cc;
cc = arch->GetCallingConventionByName("win64");
if (cc)
{
RegisterDefaultCallingConvention(cc);
RegisterCdeclCallingConvention(cc);
RegisterFastcallCallingConvention(cc);
RegisterStdcallCallingConvention(cc);
}
// Linux-style calling convention is sometimes used internally by EFI applications
cc = arch->GetCallingConventionByName("sysv");
RegisterCallingConvention(cc);
}
static Ref<Platform> Recognize(BinaryView* view, Metadata* metadata)
{
Ref<Metadata> subsystem = metadata->Get("Subsystem");
if (!subsystem || !subsystem->IsUnsignedInteger())
return nullptr;
if (subsystem->GetUnsignedInteger() >= 10 && subsystem->GetUnsignedInteger() <= 13)
return g_efiX64;
return nullptr;
}
};
class EFIArmv7Platform : public Platform
{
public:
EFIArmv7Platform(Architecture* arch, const std::string& name) : Platform(arch, name)
{
Ref<CallingConvention> cc;
cc = arch->GetCallingConventionByName("cdecl");
if (cc)
{
RegisterDefaultCallingConvention(cc);
RegisterCdeclCallingConvention(cc);
RegisterFastcallCallingConvention(cc);
RegisterStdcallCallingConvention(cc);
}
}
static Ref<Platform> Recognize(BinaryView* view, Metadata* metadata)
{
Ref<Metadata> subsystem = metadata->Get("Subsystem");
if (!subsystem || !subsystem->IsUnsignedInteger())
return nullptr;
if (subsystem->GetUnsignedInteger() >= 10 && subsystem->GetUnsignedInteger() <= 13)
return g_efiArm;
return nullptr;
}
};
class EFIArm64Platform : public Platform
{
public:
EFIArm64Platform(Architecture* arch) : Platform(arch, "efi-aarch64")
{
Ref<CallingConvention> cc;
cc = arch->GetCallingConventionByName("cdecl");
if (cc)
{
RegisterDefaultCallingConvention(cc);
RegisterCdeclCallingConvention(cc);
RegisterFastcallCallingConvention(cc);
RegisterStdcallCallingConvention(cc);
}
}
static Ref<Platform> Recognize(BinaryView* view, Metadata* metadata)
{
Ref<Metadata> subsystem = metadata->Get("Subsystem");
if (!subsystem || !subsystem->IsUnsignedInteger())
return nullptr;
if (subsystem->GetUnsignedInteger() >= 10 && subsystem->GetUnsignedInteger() <= 13)
return g_efiArm64;
return nullptr;
}
};
extern "C"
{
BN_DECLARE_CORE_ABI_VERSION
#ifndef DEMO_VERSION
BINARYNINJAPLUGIN void CorePluginDependencies()
{
AddOptionalPluginDependency("arch_x86");
AddOptionalPluginDependency("arch_armv7");
AddOptionalPluginDependency("arch_arm64");
AddOptionalPluginDependency("view_pe");
}
#endif
#ifdef DEMO_VERSION
bool EFIPluginInit()
#else
BINARYNINJAPLUGIN bool CorePluginInit()
#endif
{
Ref<BinaryViewType> pe = BinaryViewType::GetByName("PE");
if (pe)
{
Ref<Architecture> x86 = Architecture::GetByName("x86");
if (x86)
{
g_efiX86 = new EFIX86Platform(x86);
Platform::Register("efi", g_efiX86);
pe->RegisterPlatformRecognizer(0x14c, LittleEndian, EFIX86Platform::Recognize);
}
Ref<Architecture> x64 = Architecture::GetByName("x86_64");
if (x64)
{
g_efiX64 = new EFIX64Platform(x64);
Platform::Register("efi", g_efiX64);
pe->RegisterPlatformRecognizer(0x8664, LittleEndian, EFIX64Platform::Recognize);
}
Ref<Architecture> armv7 = Architecture::GetByName("armv7");
Ref<Architecture> thumb2 = Architecture::GetByName("thumb2");
if (armv7 && thumb2)
{
g_efiArm = new EFIArmv7Platform(armv7, "efi-armv7");
g_efiThumb = new EFIArmv7Platform(thumb2, "efi-thumb2");
g_efiArm->AddRelatedPlatform(thumb2, g_efiThumb);
g_efiThumb->AddRelatedPlatform(armv7, g_efiArm);
Platform::Register("efi", g_efiArm);
Platform::Register("efi", g_efiThumb);
pe->RegisterPlatformRecognizer(0x1c0, LittleEndian, EFIArmv7Platform::Recognize);
pe->RegisterPlatformRecognizer(0x1c2, LittleEndian, EFIArmv7Platform::Recognize);
pe->RegisterPlatformRecognizer(0x1c4, LittleEndian, EFIArmv7Platform::Recognize);
}
Ref<Architecture> arm64 = Architecture::GetByName("aarch64");
if (arm64)
{
g_efiArm64 = new EFIArm64Platform(arm64);
Platform::Register("efi", g_efiArm64);
pe->RegisterPlatformRecognizer(0xaa64, LittleEndian, EFIArm64Platform::Recognize);
}
}
return true;
}
}
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