From a9343c9364246d3288b4e7f20919ca1ad2e1fd3e Mon Sep 17 00:00:00 2001
From: FICTURE7 <FICTURE7@gmail.com>
Date: Tue, 14 Sep 2021 03:23:37 +0400
Subject: Refactor `PtcInfo` (#2625)

* Refactor `PtcInfo`

This change reduces the coupling of `PtcInfo` by moving relocation
tracking to the backend. `RelocEntry`s remains as `RelocEntry`s through
out the pipeline until it actually needs to be written to the PTC
streams. Keeping this representation makes inspecting and manipulating
relocations after compilations less painful. This is something I needed
to do to patch relocations to 0 to diff dumps.

Contributes to #1125.

* Turn `Symbol` & `RelocInfo` into readonly structs

* Add documentation to `CompiledFunction`

* Remove `Compiler.Compile<T>`

Remove `Compiler.Compile<T>` and replace it by `Map<T>` of the
`CompiledFunction` returned.
---
 ARMeilleure/CodeGen/Linking/SymbolType.cs | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 ARMeilleure/CodeGen/Linking/SymbolType.cs

(limited to 'ARMeilleure/CodeGen/Linking/SymbolType.cs')

diff --git a/ARMeilleure/CodeGen/Linking/SymbolType.cs b/ARMeilleure/CodeGen/Linking/SymbolType.cs
new file mode 100644
index 00000000..b05b6969
--- /dev/null
+++ b/ARMeilleure/CodeGen/Linking/SymbolType.cs
@@ -0,0 +1,28 @@
+namespace ARMeilleure.CodeGen.Linking
+{
+    /// <summary>
+    /// Types of <see cref="Symbol"/>.
+    /// </summary>
+    enum SymbolType : byte
+    {
+        /// <summary>
+        /// Refers to nothing, i.e no symbol.
+        /// </summary>
+        None,
+
+        /// <summary>
+        /// Refers to an entry in <see cref="Translation.Delegates"/>.
+        /// </summary>
+        DelegateTable,
+
+        /// <summary>
+        /// Refers to an entry in <see cref="Translation.Translator.FunctionTable"/>.
+        /// </summary>
+        FunctionTable,
+
+        /// <summary>
+        /// Refers to a special symbol which is handled by <see cref="Translation.PTC.Ptc.PatchCode"/>.
+        /// </summary>
+        Special
+    }
+}
-- 
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