From 941a7368a137e6d67708d006485ae193fd39c813 Mon Sep 17 00:00:00 2001
From: rollsafe <rollsafe@users.noreply.github.com>
Date: Thu, 18 Jul 2019 17:58:31 -0400
Subject: Add Symbol aliases to cope with duplicate symbols

---
 binaryninjaapi.h  |  1 +
 binaryninjacore.h |  1 +
 binaryview.cpp    | 14 ++++++++++++++
 python/types.py   | 14 ++++++++++++++
 4 files changed, 30 insertions(+)

diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index 3fb60a84..76595ca7 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -1067,6 +1067,7 @@ namespace BinaryNinja
 		uint64_t GetOrdinal() const;
 		bool IsAutoDefined() const;
 		NameSpace GetNameSpace() const;
+		std::vector<std::string> GetAliases() const;
 
 		static Ref<Symbol> ImportedFunctionFromImportAddressSymbol(Symbol* sym, uint64_t addr);
 	};
diff --git a/binaryninjacore.h b/binaryninjacore.h
index b154b4d1..c6244cba 100644
--- a/binaryninjacore.h
+++ b/binaryninjacore.h
@@ -3003,6 +3003,7 @@ extern "C"
 	BINARYNINJACOREAPI uint64_t BNGetSymbolAddress(BNSymbol* sym);
 	BINARYNINJACOREAPI uint64_t BNGetSymbolOrdinal(BNSymbol* sym);
 	BINARYNINJACOREAPI bool BNIsSymbolAutoDefined(BNSymbol* sym);
+	BINARYNINJACOREAPI char** BNGetSymbolAliases(BNSymbol* sym, size_t* count);
 
 	BINARYNINJACOREAPI BNSymbol* BNGetSymbolByAddress(BNBinaryView* view, uint64_t addr, const BNNameSpace* nameSpace);
 	BINARYNINJACOREAPI BNSymbol* BNGetSymbolByRawName(BNBinaryView* view, const char* name, const BNNameSpace* nameSpace);
diff --git a/binaryview.cpp b/binaryview.cpp
index 85d09721..97f4a542 100644
--- a/binaryview.cpp
+++ b/binaryview.cpp
@@ -274,6 +274,20 @@ Ref<Symbol> Symbol::ImportedFunctionFromImportAddressSymbol(Symbol* sym, uint64_
 }
 
 
+vector<string> Symbol::GetAliases() const
+{
+	vector<string> result;
+	size_t count = 0;
+	char** aliases = BNGetSymbolAliases(m_object, &count);
+	result.reserve(count);
+	for (size_t i = 0; i < count; i++)
+		result.push_back(aliases[i]);
+
+	BNFreeStringList(aliases, count);
+	return result;
+}
+
+
 AnalysisCompletionEvent::AnalysisCompletionEvent(BinaryView* view, const std::function<void()>& callback):
 	m_callback(callback)
 {
diff --git a/python/types.py b/python/types.py
index 8880d152..b3403f6d 100644
--- a/python/types.py
+++ b/python/types.py
@@ -255,6 +255,20 @@ class Symbol(object):
 	def auto(self):
 		return core.BNIsSymbolAutoDefined(self.handle)
 
+	@property
+	def aliases(self):
+		"""
+		List of aliases tied to this symbol.
+		Aliases are the names of any other symbols that also happen to be at the same address.
+		"""
+		result = []
+		count = ctypes.c_ulonglong(0)
+		aliases = core.BNGetSymbolAliases(self.handle, count)
+		for i in range(count.value):
+			result.append(aliases[i])
+		core.BNFreeStringList(aliases, count)
+		return result
+
 	def __repr__(self):
 		return "<%s: \"%s\" @ %#x>" % (self.type, self.full_name, self.address)
 
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