From: Roland McGrath <roland@gnu.org>
Date: Tue, 18 Apr 1995 21:07:40 +0000 (+0000)
Subject: * libc-symbols.h (strong_alias_asm, strong_alias): Use
X-Git-Tag: cvs/make-3-73-2~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d02907df8e29353eaeb357f498c7469f4f44eacf;p=thirdparty%2Fglibc.git

* libc-symbols.h (strong_alias_asm, strong_alias): Use

 	ASM_GLOBAL_DIRECTIVE on the alias.
---

diff --git a/ChangeLog b/ChangeLog
index 604d1e71497..c544f0043a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,8 @@ Tue Apr 18 14:00:19 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>
 	* configure.in (libc_cv_asm_global_directive): New check to define
  	ASM_GLOBAL_DIRECTIVE.
 	* config.h.in: Add #undef ASM_GLOBAL_DIRECTIVE.
+	* libc-symbols.h (strong_alias_asm, strong_alias): Use
+ 	ASM_GLOBAL_DIRECTIVE on the alias.
 
 	* sysdeps/unix/make_errlist.c (main): Don't generate "#ifdef
  	HAVE_WEAK_SYMBOLS" #defns.
diff --git a/configure b/configure
index 0a4e97d3c92..e440083651c 100755
--- a/configure
+++ b/configure
@@ -1134,7 +1134,7 @@ if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
 else
   libc_cv_asm_set_directive=no
 fi
-rm -f contest*
+rm -f conftest*
 fi
 
 echo "$ac_t""$libc_cv_asm_set_directive" 1>&4
@@ -1145,6 +1145,35 @@ EOF
 
 fi
 
+echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&4
+if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&4
+else
+  libc_cv_asm_global_directive=UNKNOWN
+for ac_globl in .globl .global; do
+  cat > conftest.s <<EOF
+.text
+${ac_globl} foo
+foo: .long 0
+EOF
+  if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
+    libc_cv_asm_global_directive=${ac_globl}
+  fi
+  rm -f conftest*
+  test $libc_cv_asm_global_directive != UNKNOWN && break
+done
+fi
+
+echo "$ac_t""$libc_cv_asm_global_directive" 1>&4
+if test $libc_cv_asm_global_directive = UNKNOWN; then
+  { echo "configure: error: cannot determine asm global directive" 1>&2; exit 1; }
+else
+  cat >> confdefs.h <<EOF
+#define ASM_GLOBAL_DIRECTIVE ${libc_cv_asm_global_directive}
+EOF
+
+fi
+
 
 # sysdeps configure fragments may set these with files to be linked below.
 libc_link_dests=
diff --git a/libc-symbols.h b/libc-symbols.h
index a173b4d66d5..1782737c93a 100644
--- a/libc-symbols.h
+++ b/libc-symbols.h
@@ -79,37 +79,49 @@ Cambridge, MA 02139, USA.  */
 #endif
 #endif
 
+
 /* Define ALIAS as a strong alias for ORIGINAL.  */
 #ifdef HAVE_ASM_SET_DIRECTIVE
 #define strong_alias_asm(original, alias)	\
+  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (alias);	\
   .set C_SYMBOL_NAME (alias),C_SYMBOL_NAME (original)
 #ifdef ASSEMBLER
 #define strong_alias(original, alias)	strong_alias_asm (original, alias)
 #else
 #define strong_alias(original, alias)	\
-  asm (".set " __SYMBOL_PREFIX #alias "," __SYMBOL_PREFIX #original);
+  asm (__string_1 (ASM_GLOBAL_DIRECTIVE) " " __SYMBOL_PREFIX #alias "\n" \
+       ".set " __SYMBOL_PREFIX #alias "," __SYMBOL_PREFIX #original);
 #endif
 #else
 #define strong_alias_asm(original, alias)	\
+  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME (alias);	\
   C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original)
 #ifdef ASSEMBLER
 #define strong_alias(original, alias)	strong_alias_asm (original, alias)
 #else
 #define strong_alias(original, alias)	\
-  asm (__SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original);
+  asm (__string_1 (ASM_GLOBAL_DIRECTIVE) " " __SYMBOL_PREFIX #alias "\n" \
+       __SYMBOL_PREFIX #alias " = " __SYMBOL_PREFIX #original);
 #endif
 #endif
 
-/* Define ALIAS as a weak alias for ORIGINAL.
-   If weak aliases are not available, this defines a strong alias.  */
+/* Helper macros used above.  */
+#define __string_1(x) __string_0(x)
+#define __string_0(x) #x
+
+
 #ifdef HAVE_WEAK_SYMBOLS
 #ifdef ASSEMBLER
+
+/* Define ALIAS as a weak alias for ORIGINAL.
+   If weak aliases are not available, this defines a strong alias.  */
 #define weak_alias(original, alias)	\
   .weak C_SYMBOL_NAME (alias);	\
   C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original)
 
 /* Declare SYMBOL to be weak.  */
 #define weak_symbol(symbol)	.weak C_SYMBOL_NAME (symbol)
+
 #else
 #define weak_symbol(symbol)	asm (".weak " __SYMBOL_PREFIX #symbol);
 #define weak_alias(original, alias) \