From 55b911654c59ad24258995d697f56bf1d56a96e1 Mon Sep 17 00:00:00 2001
From: ISSOtm <eldredhabert0@gmail.com>
Date: Wed, 11 Mar 2020 01:46:26 +0100
Subject: [PATCH] Get rid of obsoleted function

---
 include/asm/symbol.h |  1 -
 src/asm/symbol.c     | 47 --------------------------------------------
 2 files changed, 48 deletions(-)

diff --git a/include/asm/symbol.h b/include/asm/symbol.h
index 407730f3..91aabbb5 100644
--- a/include/asm/symbol.h
+++ b/include/asm/symbol.h
@@ -111,7 +111,6 @@ void sym_ShiftCurrentMacroArgs(void);
 struct sSymbol *sym_AddString(char const *tzSym, char const *tzValue);
 uint32_t sym_GetDefinedValue(char const *s);
 void sym_Purge(char const *tzName);
-bool sym_IsRelocDiffDefined(char const *tzSym1, char const *tzSym2);
 
 /* Functions to save and restore the current symbol scope. */
 struct sSymbol *sym_GetCurrentSymbolScope(void);
diff --git a/src/asm/symbol.c b/src/asm/symbol.c
index ee2650f7..ab9e81bf 100644
--- a/src/asm/symbol.c
+++ b/src/asm/symbol.c
@@ -586,53 +586,6 @@ struct sSymbol *sym_AddReloc(char const *tzSym)
 	return pScope;
 }
 
-/*
- * Check if the subtraction of two symbols is defined. That is, either both
- * symbols are defined and the result is a constant, or both symbols are
- * relocatable and belong to the same section.
- *
- * It returns 1 if the difference is defined, 0 if not.
- */
-bool sym_IsRelocDiffDefined(char const *tzSym1, char const *tzSym2)
-{
-	const struct sSymbol *nsym1 = sym_FindSymbol(tzSym1);
-	const struct sSymbol *nsym2 = sym_FindSymbol(tzSym2);
-
-	/* Do the symbols exist? */
-	if (nsym1 == NULL)
-		fatalerror("Symbol \"%s\" isn't defined.", tzSym1);
-
-	if (nsym2 == NULL)
-		fatalerror("Symbol \"%s\" isn't defined.", tzSym2);
-
-	int32_t s1const = sym_IsConstant(nsym1);
-	int32_t s2const = sym_IsConstant(nsym2);
-
-	/* Both are non-relocatable */
-	if (s1const && s2const)
-		return true;
-
-	/* One of them is relocatable, the other one is not. */
-	if (s1const ^ s2const)
-		return false;
-
-	/*
-	 * Both of them are relocatable. Make sure they are defined (internal
-	 * coherency with sym_AddReloc and sym_AddLocalReloc).
-	 */
-	if (!sym_IsDefined(nsym1))
-		fatalerror("Label \"%s\" isn't defined.", tzSym1);
-
-	if (!sym_IsDefined(nsym2))
-		fatalerror("Label \"%s\" isn't defined.", tzSym2);
-
-	/*
-	 * Both of them must be in the same section for the difference to be
-	 * defined.
-	 */
-	return nsym1->pSection == nsym2->pSection;
-}
-
 /*
  * Export a symbol
  */