Cope with gcc 3.4's more aggressive persuit of attribute unused

include/features.h

@@ -437,6 +437,9 @@ uClibc was built without large file support enabled.
 #define __LINUX_COMPILER_H
 #endif
 
+/* Pull in things like __attribute_used__ */
+#include <sys/cdefs.h>
+
 /* --- this is added to integrate linuxthreads */
 #define __USE_UNIX98            1
 

ldso/ldso/arm/dl-startup.h

@@ -20,7 +20,7 @@ asm(""						\
 "	mov	pc, r6\n"			\
 );
 
-#define DL_BOOT(X)   static __attribute__ ((unused)) void* _dl_boot2 (X)
+#define DL_BOOT(X)   static __attribute_used__ void* _dl_boot2 (X)
 
 
 /* Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/cris/dl-startup.h

@@ -15,7 +15,7 @@ asm(""					\
 "	jsr $r9\n"			\
 );
 
-#define DL_BOOT(X) static void __attribute__ ((unused)) _dl_boot2 (X)
+#define DL_BOOT(X) static void __attribute_used__ _dl_boot2 (X)
 
 
 /* Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/frv/elfinterp.c

@@ -2,7 +2,7 @@
    Copyright (C) 2003 Red Hat, Inc.
    Contributed by Alexandre Oliva <aoliva@redhat.com>
    Lots of code copied from ../i386/elfinterp.c, so:
-   Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, 
+   Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald,
   				David Engel, Hongjiu Lu and Mitch D'Souza
    Copyright (C) 2001-2002, Erik Andersen
    All rights reserved.
@@ -24,9 +24,7 @@ License along with uClibc; see the file COPYING.LIB.  If not, write to
 the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
 USA.  */
 
-#ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED __attribute__((__unused__))
-#endif
+#include <sys/cdefs.h>	    /* __attribute_used__ */
 
 #if defined (__SUPPORT_LD_DEBUG__)
 static const char *_dl_reltypes_tab[] =
@@ -393,9 +391,9 @@ _dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope,
 
 static int
 _dl_do_lazy_reloc (struct elf_resolve *tpnt,
-		   struct dyn_elf *scope ATTRIBUTE_UNUSED,
-		   ELF_RELOC *rpnt, Elf32_Sym *symtab ATTRIBUTE_UNUSED,
-		   char *strtab ATTRIBUTE_UNUSED)
+		   struct dyn_elf *scope __attribute_used__,
+		   ELF_RELOC *rpnt, Elf32_Sym *symtab __attribute_used__,
+		   char *strtab __attribute_used__)
 {
 	int reloc_type;
 	struct funcdesc_value volatile *reloc_addr;
@@ -436,7 +434,7 @@ _dl_do_lazy_reloc (struct elf_resolve *tpnt,
 void
 _dl_parse_lazy_relocation_information
 (struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size,
- int type ATTRIBUTE_UNUSED)
+ int type __attribute_used__)
 {
   _dl_parse(rpnt->dyn, NULL, rel_addr, rel_size, _dl_do_lazy_reloc);
 }
@@ -444,7 +442,7 @@ _dl_parse_lazy_relocation_information
 int
 _dl_parse_relocation_information
 (struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size,
- int type ATTRIBUTE_UNUSED)
+ int type __attribute_used__)
 {
   /* The interpreter initial self-relocation is complete, and we
      can't re-apply relocations.  */
@@ -458,10 +456,10 @@ _dl_parse_relocation_information
 
 int
 _dl_parse_copy_information
-(struct dyn_elf *rpnt ATTRIBUTE_UNUSED,
- unsigned long rel_addr ATTRIBUTE_UNUSED,
- unsigned long rel_size ATTRIBUTE_UNUSED,
- int type ATTRIBUTE_UNUSED)
+(struct dyn_elf *rpnt __attribute_used__,
+ unsigned long rel_addr __attribute_used__,
+ unsigned long rel_size __attribute_used__,
+ int type __attribute_used__)
 {
   return 0;
 }

ldso/ldso/i386/dl-startup.h

@@ -5,7 +5,7 @@
  */
 
 /* For x86 we do not need any special setup so go right to _dl_boot() */
-#define DL_BOOT(X) __attribute__ ((unused)) void _dl_boot (X)
+#define DL_BOOT(X) __attribute_used__ void _dl_boot (X)
 
 /* Get a pointer to the argv array.  On many platforms this can be just
  * the address if the first argument, on other platforms we need to

ldso/ldso/m68k/dl-startup.h

@@ -3,7 +3,7 @@
  */
 
 /* For m68k we do not need any special setup so go right to _dl_boot() */
-#define DL_BOOT(X) __attribute__ ((unused)) void _dl_boot (X)
+#define DL_BOOT(X) __attribute_used__ void _dl_boot (X)
 
 /* Get a pointer to the argv array.  On many platforms this can be just
  * the address if the first argument, on other platforms we need to

ldso/ldso/mips/dl-startup.h

@@ -34,7 +34,7 @@ asm("" \
 "	jr $25\n"			\
 );
 
-#define DL_BOOT(X)   static void __attribute__ ((unused)) _dl_boot2 (X)
+#define DL_BOOT(X)   static void __attribute_used__ _dl_boot2 (X)
 
 /*
  * Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/powerpc/dl-startup.h

@@ -17,7 +17,7 @@ asm("" \
 ".previous\n"				\
 );
 
-#define DL_BOOT(X) static void __attribute__ ((unused)) _dl_boot2(X)
+#define DL_BOOT(X) static void __attribute_used__ _dl_boot2(X)
 
 /*
  * Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/sh/dl-startup.h

@@ -18,7 +18,7 @@ asm("" \
 "	.previous\n"			\
 );
 
-#define DL_BOOT(X)   static void __attribute__ ((unused)) _dl_boot2 (X)
+#define DL_BOOT(X)   static void __attribute_used__ _dl_boot2 (X)
 
 /*
  * Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/sh64/dl-startup.h

@@ -21,7 +21,7 @@ asm("" \
 "	blink	tr0, r18	! call _dl_boot2 - user EP is in r2\n"	\
 );
 
-#define DL_BOOT(X)   static void __attribute__ ((unused)) _dl_boot2 (X)
+#define DL_BOOT(X)   static void __attribute_used__ _dl_boot2 (X)
 
 /*
  * Get a pointer to the argv array.  On many platforms this can be just

ldso/ldso/sparc/dl-startup.h

@@ -4,7 +4,7 @@
  * can be done.
  */
 
-#define DL_BOOT(X) __attribute__ ((unused)) void _dl_boot (X)
+#define DL_BOOT(X) __attribute_used__ void _dl_boot (X)
 
 
 /*

libc/inet/rpc/clnt_perror.c

@@ -425,7 +425,7 @@ auth_errmsg (enum auth_stat stat)
 }
 
 
-static void __attribute__ ((unused))
+static void __attribute_used__
 free_mem (void)
 {
   free (buf);

libc/sysdeps/linux/alpha/bits/atomicity.h

@@ -24,7 +24,7 @@
 
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   register int result, tmp;
@@ -49,7 +49,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   register int result;
@@ -72,7 +72,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static inline long
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   long int ret;

libc/sysdeps/linux/arm/bits/atomicity.h

@@ -24,7 +24,7 @@
 
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   int tmp1;
@@ -44,7 +44,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   int tmp1;
@@ -63,7 +63,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   int result, tmp;

libc/sysdeps/linux/common/bits/atomicity.h

@@ -25,7 +25,7 @@
 #warning stub atomicity functions are not really atomic
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   int result = *mem;
@@ -34,14 +34,14 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   *mem += val;
 }
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   if (*p != oldval)

libc/sysdeps/linux/i386/bits/atomicity.h

@@ -24,7 +24,7 @@
 
 
 static inline uint32_t
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, uint32_t val)
 {
   register uint32_t result;
@@ -34,7 +34,7 @@ exchange_and_add (volatile uint32_t *mem, uint32_t val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   __asm__ __volatile__ ("lock; addl %1,%0"
@@ -42,7 +42,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static inline char
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   char ret;

libc/sysdeps/linux/i386/bits/mathinline.h

@@ -408,7 +408,7 @@ __inline_mathcodeNP_ (long double, __expl, __x, __exp_code)
 
 __inline_mathcodeNP (tan, __x, \
   register long double __value;						      \
-  register long double __value2 __attribute__ ((__unused__));		      \
+  register long double __value2 __attribute_used__;			      \
   __asm __volatile__							      \
     ("fptan"								      \
      : "=t" (__value2), "=u" (__value) : "0" (__x));			      \

libc/sysdeps/linux/m68k/bits/atomicity.h

@@ -25,7 +25,7 @@
 
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   register int result = *mem;
@@ -40,7 +40,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   /* XXX Use cas here as well?  */
@@ -49,7 +49,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   char ret;

libc/sysdeps/linux/mips/bits/atomicity.h

@@ -23,7 +23,7 @@
 #include <inttypes.h>
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   int result, tmp;
@@ -47,7 +47,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static inline void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   int result;
@@ -69,7 +69,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static inline int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   long int ret, temp;

libc/sysdeps/linux/powerpc/bits/atomicity.h

@@ -29,7 +29,7 @@
 #endif
 
 static __ATOMICITY_INLINE int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   int tmp, result;
@@ -43,7 +43,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static __ATOMICITY_INLINE void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   int tmp;
@@ -56,7 +56,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static __ATOMICITY_INLINE int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   int result;
@@ -73,7 +73,7 @@ compare_and_swap (volatile long int *p, long int oldval, long int newval)
 }
 
 static __ATOMICITY_INLINE long int
-__attribute__ ((unused))
+__attribute_used__
 always_swap (volatile long int *p, long int newval)
 {
   long int result;
@@ -86,7 +86,7 @@ always_swap (volatile long int *p, long int newval)
 }
 
 static __ATOMICITY_INLINE int
-__attribute__ ((unused))
+__attribute_used__
 test_and_set (volatile long int *p, long int newval)
 {
   int result;

libc/sysdeps/linux/sh/bits/machine-gmon.h

@@ -21,7 +21,7 @@
 #define mcount_internal __mcount_internal
 
 #define _MCOUNT_DECL(frompc, selfpc) \
-static void __attribute__((unused)) mcount_internal (u_long frompc, u_long selfpc)
+static void __attribute_used__ mcount_internal (u_long frompc, u_long selfpc)
 
 /*
  * This mcount implementation expect the 'frompc' return address on

libc/sysdeps/linux/sparc/bits/atomicity.h

@@ -23,7 +23,7 @@
 #include <inttypes.h>
 
 static int
-__attribute__ ((unused))
+__attribute_used__
 exchange_and_add (volatile uint32_t *mem, int val)
 {
   static unsigned char lock;
@@ -46,7 +46,7 @@ exchange_and_add (volatile uint32_t *mem, int val)
 }
 
 static void
-__attribute__ ((unused))
+__attribute_used__
 atomic_add (volatile uint32_t *mem, int val)
 {
   static unsigned char lock;
@@ -67,7 +67,7 @@ atomic_add (volatile uint32_t *mem, int val)
 }
 
 static int
-__attribute__ ((unused))
+__attribute_used__
 compare_and_swap (volatile long int *p, long int oldval, long int newval)
 {
   static unsigned char lock;

libpthread/linuxthreads_db/td_thr_tls_get_addr.c

@@ -27,10 +27,10 @@
 
 
 td_err_e
-td_thr_tls_get_addr (const td_thrhandle_t *th __attribute__ ((unused)),
-		     void *map_address __attribute__ ((unused)),
-		     size_t offset __attribute__ ((unused)),
-		     void **address __attribute__ ((unused)))
+td_thr_tls_get_addr (const td_thrhandle_t *th __attribute_used__,
+		     void *map_address __attribute_used__,
+		     size_t offset __attribute_used__,
+		     void **address __attribute_used__)
 {
 #if USE_TLS
   size_t modid;