From 56115aecf186bc720dae9a20cc4c6aef248ba07f Mon Sep 17 00:00:00 2001
From: Ryan Snyder <ryan@vector35.com>
Date: Fri, 24 May 2024 14:47:15 -0400
Subject: platform: initial BNCustomPlatform support

---
 platform/windows/platform_windows.cpp | 42 +++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'platform')

diff --git a/platform/windows/platform_windows.cpp b/platform/windows/platform_windows.cpp
index 2b0a427f..cb256660 100644
--- a/platform/windows/platform_windows.cpp
+++ b/platform/windows/platform_windows.cpp
@@ -7,11 +7,16 @@ using namespace std;
 
 class WindowsX86Platform: public Platform
 {
+	uint32_t m_fsbase;
+	Ref<Type> m_teb;
+
 public:
 	WindowsX86Platform(Architecture* arch): Platform(arch, "windows-x86")
 	{
 		Ref<CallingConvention> cc;
 
+		m_fsbase = arch->GetRegisterByName("fsbase");
+
 		cc = arch->GetCallingConventionByName("cdecl");
 		if (cc)
 		{
@@ -36,14 +41,35 @@ public:
 		if (cc)
 			RegisterCallingConvention(cc);
 	}
+
+
+	virtual void BinaryViewInit(BinaryView* view) override
+	{
+		if (!m_teb)
+			m_teb = Type::PointerType(GetArchitecture()->GetAddressSize(), Type::NamedType(QualifiedName("TEB"), GetTypeByName(QualifiedName("TEB"))));
+	}
+
+
+	virtual Ref<Type> GetGlobalRegisterType(uint32_t reg) override
+	{
+		if (reg == m_fsbase)
+			return m_teb;
+
+		return nullptr;
+	}
 };
 
 
 class WindowsX64Platform: public Platform
 {
+	uint32_t m_gsbase;
+	Ref<Type> m_teb;
+
 public:
 	WindowsX64Platform(Architecture* arch): Platform(arch, "windows-x86_64")
 	{
+		m_gsbase = arch->GetRegisterByName("gsbase");
+
 		Ref<CallingConvention> cc;
 
 		cc = arch->GetCallingConventionByName("win64");
@@ -55,6 +81,22 @@ public:
 			RegisterStdcallCallingConvention(cc);
 		}
 	}
+
+
+	virtual void BinaryViewInit(BinaryView* view) override
+	{
+		if (!m_teb)
+			m_teb = Type::PointerType(GetArchitecture()->GetAddressSize(), Type::NamedType(QualifiedName("TEB"), GetTypeByName(QualifiedName("TEB"))));
+	}
+
+
+	virtual Ref<Type> GetGlobalRegisterType(uint32_t reg) override
+	{
+		if (reg == m_gsbase)
+			return m_teb;
+
+		return nullptr;
+	}
 };
 
 
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