Added nettle_ prefix to memxor symbols.

ChangeLog

 2013-04-24  Niels Möller  <nisse@lysator.liu.se>
 
+	* x86_64/memxor.asm: Added nettle_ prefix to symbols.
+	* arm/memxor.asm: Likewise.
+
+	* testsuite/symbols-test: Don't allow memxor functions without
+	nettle prefix,
+
+	* memxor.h (memxor3): Added name mangling to add "nettle_" prefix
+	to memxor and memxor3 symbols.
+
 	* Makefile.in (nettle_OBJS): Deleted $(LIBOBJS), and also deleted
 	LIBOBJS substitution.
 	(nettle_SOURCES): Added memxor.c, to include it in the library

arm/memxor.asm

@@ -41,7 +41,7 @@ define(<TNC>, <r12>)
 
 	C memxor(uint8_t *dst, const uint8_t *src, size_t n)
 	.align 4
-PROLOGUE(memxor)
+PROLOGUE(nettle_memxor)
 	cmp	N, #0
 	beq	.Lmemxor_done
 
@@ -214,7 +214,7 @@ PROLOGUE(memxor)
 	beq	.Lmemxor_done
 	b	.Lmemxor_bytes
 	
-EPILOGUE(memxor)
+EPILOGUE(nettle_memxor)
 
 define(<DST>, <r0>)
 define(<AP>, <r1>)
@@ -231,7 +231,7 @@ define(<BTNC>, <r12>)
 
 	C memxor3(uint8_t *dst, const uint8_t *a, const uint8_t *b, size_t n)
 	.align 2
-PROLOGUE(memxor3)
+PROLOGUE(nettle_memxor3)
 	cmp	N, #0
 	beq	.Lmemxor3_ret
 
@@ -485,4 +485,4 @@ PROLOGUE(memxor3)
 	add	AP, AP,	ACNT, lsr #3
 	add	BP, BP, BCNT, lsr #3
 	b	.Lmemxor3_bytes
-EPILOGUE(memxor3)
+EPILOGUE(nettle_memxor3)

memxor.h

@@ -12,6 +12,10 @@
 extern "C" {
 #endif
 
+/* Name mangling */
+#define memxor nettle_memxor
+#define memxor3 nettle_memxor3
+
 uint8_t *memxor(uint8_t *dst, const uint8_t *src, size_t n);
 uint8_t *memxor3(uint8_t *dst, const uint8_t *a, const uint8_t *b, size_t n);
 

testsuite/symbols-test

@@ -17,7 +17,7 @@ fi
 #   code.
 
 ( $NM -g ../libnettle.a || $NM ../libnettle.a ) \
-    | grep ' [DRT] ' | egrep -v '( |^)\.?_?(_?nettle_|memxor)|get_pc_thunk' \
+    | grep ' [DRT] ' | egrep -v '( |^)\.?_?(_?nettle_)|get_pc_thunk' \
     | sort -k3 > test1.out
 
 if [ -s test1.out ] ; then

x86_64/memxor.asm

@@ -38,18 +38,18 @@ define(<USE_SSE2>, <no>)
 	C 	          %rdi               %rsi      %rdx
 	ALIGN(16)
 
-PROLOGUE(memxor)
+PROLOGUE(nettle_memxor)
 	W64_ENTRY(3, 0)
 	mov	%rdx, %r10
 	mov	%rdi, %rdx
 	jmp 	.Lmemxor3_entry
-EPILOGUE(memxor)
+EPILOGUE(nettle_memxor)
 
 	C memxor3(uint8_t *dst, const uint8_t *a, const uint8_t *b, size_t n)
 	C 	          %rdi              %rsi              %rdx      %rcx
 	ALIGN(16)
 	
-PROLOGUE(memxor3)
+PROLOGUE(nettle_memxor3)
 	W64_ENTRY(4, 0)
 	C %cl needed for shift count, so move away N
 	mov	%rcx, N
@@ -258,4 +258,4 @@ ifelse(USE_SSE2, yes, <
 >)	
 	
 
-EPILOGUE(memxor3)
+EPILOGUE(nettle_memxor3)