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authorUlrich Drepper <drepper@redhat.com>1997-05-07 14:34:37 +0000
committerUlrich Drepper <drepper@redhat.com>1997-05-07 14:34:37 +0000
commit1f07e6177553845817af5f7c90f148edd2e59d32 (patch)
treea1edc10fe1e75932c88b9c6739e58de6d82ae7fa
parent6b00df4189bd15fe87244876b7f1a3cf800f72dc (diff)
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1997-05-07 16:31 Ulrich Drepper <drepper@cygnus.com>
	* sysdeps/i386/dl-machine.h (elf_machine_rel): Check for mismatch
	in size for copy relocation.
	* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/sparc/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/powerpc/dl-machine.h (elf_machine_rela): Likewise.
	Patch by Roland McGrath <roland@gnu.ai.mit.edu>.

1997-05-06 13:25  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* stdio-common/bug4.c (main): Use /tmp/bug4.test for concurrency
	with other tests.
	* stdio-common/bug3.c (main): Use /tmp/bug3.test for concurrency
	with other tests.

	* sunrpc/svc_run.c: svc_exit): New, defined.  (svc_run): Test for
	svc_stop variable.
	* sunrpc/rpc/svc.h (svc_exit): New, declared.

1997-05-03 08:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* math/libm-test.c (test_not_exception): Don't mix the internal
	exception flags with the host defined FE_* values.  All (indirect)
	callers of this and test_exceptions changed to pass the internal
	flag values.
	(csin_test): Allow invalid exception for +-Inf + i NaN.  Fix typos
	in test names.
	(csinh_test): Allow invalid exception for NaN +- i Inf.

1997-05-03 09:21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/__math.h (__frexp): Don't raise invalid
	exception on infinite value.
	(__m81_test, __M81_COND_NAN, __M81_COND_INF, __M81_COND_NEG,
	__M81_COND_ZERO): New definitions.

	* sysdeps/m68k/e_pow.c: Raise invalid exception for NaN result.
	Use __m81_test.

	* sysdeps/m68k/s_ccosh.c: Rewritten.
	* sysdeps/m68k/s_csinh.c: Rewritten.
	* sysdeps/m68k/s_ccoshf.c: Don't define huge_val.
	* sysdeps/m68k/s_ccoshl.c: Likewise.
	* sysdeps/m68k/s_csinhf.c: Likewise.
	* sysdeps/m68k/s_csinhl.c: Likewise.

	* sysdeps/m68k/s_ccos.c: New file.
	* sysdeps/m68k/s_ccosf.c: New file.
	* sysdeps/m68k/s_ccosl.c: New file.
	* sysdeps/m68k/s_csin.c: New file.
	* sysdeps/m68k/s_csinf.c: New file.
	* sysdeps/m68k/s_csinl.c: New file.

1997-05-02 19:48  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules, manual/Makefile: Remove -$(subdir) suffix from subdir
	stamp files to avoid problems with long file names.

1997-05-03 22:24  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/libm-ieee754/e_acoshl.c: Fix test for x < 1.

	* sysdeps/libm-ieee754/e_atan2l.c: Ignore integer bit for Inf and
	NaN.  Fix test for sign of infinite y.

	* sysdeps/libm-ieee754/e_atanhl.c: Fix sign of result.

	* sysdeps/libm-ieee754/e_sinhl.c: Fix test for sign of argument.

1997-05-03 01:15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* csu/Makefile (extra-objs) [$(elf)=yes]: Add abi-note.o to get
	dependencies.

	* csu/abi-note.S: Replace undefined macro ALIGNARG.
	* sysdeps/unix/sysv/linux/abi-tag.h: Don't use assembler comment
	character.

1997-05-03 22:27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use notation
	for local label.

1997-05-05 22:00  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/Makefile (libnsl-routines): Add a lot of new file names.

	* nis/nis_names.c (nis_add): Moved from here ...
	* nis/nis_add.c: ... to here and fix parameter flags.
	* nis/nis_names.c (nis_lookup): Moved from here ...
	* nis/nis_lookup.c: ... to here.
	* nis/nis_names.c (nis_modify): Moved from here ...
	* nis/nis_modify.c: ... to here and fix parameter flags.
	* nis/nis_names.c (nis_remove): Moved from here ...
	* nis/nis_remove.c: ... to here and fix parameter flags.
	* nis/nis_names.c: Removed.

	* nis/nis_subr.c (nis_domain_of): Moved from here ...
	* nis/nis_domain_of.c: .. to here.
	* nis/nis_subr.c (nis_domain_of_r): Moved from here ...
	* nis/nis_domain_of_r.c: .. to here and fix pointer errors.

	* nis/nis_addmember.c: New.
	* nis/nis_checkpoint.c: New.
	* nis/nis_creategroup.c: New.
	* nis/nis_defaults.c: New.
	* nis/nis_destroygroup.c: New.
	* nis/nis_getservlist.c: New.
	* nis/nis_ismember.c: New.
	* nis/nis_ping.c: New.
	* nis/nis_print_group_entry.c: New.
	* nis/nis_removemember.c: New.
	* nis/nis_mkdir.c: New.
	* nis/nis_rmdir.c: New.
	* nis/nis_verifygroup.c: New.

	* nis/rpcsvc/nislib.h: Fix internal function declarations.

	* nis/nis_server (nis_servstate): New.
	* nis/nis_server (nis_stats): New.

	* nis/nis_subr.c (nis_leaf_of_r): Fix buffer problems.

	* nis/nis_call.c: Remove debug output.

	* nis/nis_intern.c (__nis_finddirectory): Remove.
-rw-r--r--ChangeLog128
-rw-r--r--stdio-common/bug3.c5
-rw-r--r--stdio-common/bug4.c28
-rw-r--r--sunrpc/rpc/svc.h7
-rw-r--r--sunrpc/svc_run.c15
-rw-r--r--sysdeps/i386/dl-machine.h17
-rw-r--r--sysdeps/m68k/dl-machine.h22
-rw-r--r--sysdeps/powerpc/dl-machine.h16
-rw-r--r--sysdeps/sparc/dl-machine.h15
9 files changed, 222 insertions, 31 deletions
diff --git a/ChangeLog b/ChangeLog
index ce27e16c34..b6269a38c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,131 @@
+1997-05-07 16:31  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/i386/dl-machine.h (elf_machine_rel): Check for mismatch
+	in size for copy relocation.
+	* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
+	* sysdeps/sparc/dl-machine.h (elf_machine_rela): Likewise.
+	* sysdeps/powerpc/dl-machine.h (elf_machine_rela): Likewise.
+	Patch by Roland McGrath <roland@gnu.ai.mit.edu>.
+
+1997-05-06 13:25  H.J. Lu  <hjl@gnu.ai.mit.edu>
+
+	* stdio-common/bug4.c (main): Use /tmp/bug4.test for concurrency
+	with other tests.
+	* stdio-common/bug3.c (main): Use /tmp/bug3.test for concurrency
+	with other tests.
+
+	* sunrpc/svc_run.c: svc_exit): New, defined.  (svc_run): Test for
+	svc_stop variable.
+	* sunrpc/rpc/svc.h (svc_exit): New, declared.
+
+1997-05-03 08:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* math/libm-test.c (test_not_exception): Don't mix the internal
+	exception flags with the host defined FE_* values.  All (indirect)
+	callers of this and test_exceptions changed to pass the internal
+	flag values.
+	(csin_test): Allow invalid exception for +-Inf + i NaN.  Fix typos
+	in test names.
+	(csinh_test): Allow invalid exception for NaN +- i Inf.
+
+1997-05-03 09:21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* sysdeps/m68k/fpu/__math.h (__frexp): Don't raise invalid
+	exception on infinite value.
+	(__m81_test, __M81_COND_NAN, __M81_COND_INF, __M81_COND_NEG,
+	__M81_COND_ZERO): New definitions.
+
+	* sysdeps/m68k/e_pow.c: Raise invalid exception for NaN result.
+	Use __m81_test.
+
+	* sysdeps/m68k/s_ccosh.c: Rewritten.
+	* sysdeps/m68k/s_csinh.c: Rewritten.
+	* sysdeps/m68k/s_ccoshf.c: Don't define huge_val.
+	* sysdeps/m68k/s_ccoshl.c: Likewise.
+	* sysdeps/m68k/s_csinhf.c: Likewise.
+	* sysdeps/m68k/s_csinhl.c: Likewise.
+
+	* sysdeps/m68k/s_ccos.c: New file.
+	* sysdeps/m68k/s_ccosf.c: New file.
+	* sysdeps/m68k/s_ccosl.c: New file.
+	* sysdeps/m68k/s_csin.c: New file.
+	* sysdeps/m68k/s_csinf.c: New file.
+	* sysdeps/m68k/s_csinl.c: New file.
+
+1997-05-02 19:48  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* Makerules, manual/Makefile: Remove -$(subdir) suffix from subdir
+	stamp files to avoid problems with long file names.
+
+1997-05-03 22:24  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* sysdeps/libm-ieee754/e_acoshl.c: Fix test for x < 1.
+
+	* sysdeps/libm-ieee754/e_atan2l.c: Ignore integer bit for Inf and
+	NaN.  Fix test for sign of infinite y.
+
+	* sysdeps/libm-ieee754/e_atanhl.c: Fix sign of result.
+
+	* sysdeps/libm-ieee754/e_sinhl.c: Fix test for sign of argument.
+
+1997-05-03 01:15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* csu/Makefile (extra-objs) [$(elf)=yes]: Add abi-note.o to get
+	dependencies.
+
+	* csu/abi-note.S: Replace undefined macro ALIGNARG.
+	* sysdeps/unix/sysv/linux/abi-tag.h: Don't use assembler comment
+	character.
+
+1997-05-03 22:27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
+
+	* sysdeps/m68k/dl-machine.h (elf_machine_load_address): Use notation
+	for local label.
+
+1997-05-05 22:00  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>
+
+	* nis/Makefile (libnsl-routines): Add a lot of new file names.
+
+	* nis/nis_names.c (nis_add): Moved from here ...
+	* nis/nis_add.c: ... to here and fix parameter flags.
+	* nis/nis_names.c (nis_lookup): Moved from here ...
+	* nis/nis_lookup.c: ... to here.
+	* nis/nis_names.c (nis_modify): Moved from here ...
+	* nis/nis_modify.c: ... to here and fix parameter flags.
+	* nis/nis_names.c (nis_remove): Moved from here ...
+	* nis/nis_remove.c: ... to here and fix parameter flags.
+	* nis/nis_names.c: Removed.
+
+	* nis/nis_subr.c (nis_domain_of): Moved from here ...
+	* nis/nis_domain_of.c: .. to here.
+	* nis/nis_subr.c (nis_domain_of_r): Moved from here ...
+	* nis/nis_domain_of_r.c: .. to here and fix pointer errors.
+
+	* nis/nis_addmember.c: New.
+	* nis/nis_checkpoint.c: New.
+	* nis/nis_creategroup.c: New.
+	* nis/nis_defaults.c: New.
+	* nis/nis_destroygroup.c: New.
+	* nis/nis_getservlist.c: New.
+	* nis/nis_ismember.c: New.
+	* nis/nis_ping.c: New.
+	* nis/nis_print_group_entry.c: New.
+	* nis/nis_removemember.c: New.
+	* nis/nis_mkdir.c: New.
+	* nis/nis_rmdir.c: New.
+	* nis/nis_verifygroup.c: New.
+
+	* nis/rpcsvc/nislib.h: Fix internal function declarations.
+
+	* nis/nis_server (nis_servstate): New.
+	* nis/nis_server (nis_stats): New.
+
+	* nis/nis_subr.c (nis_leaf_of_r): Fix buffer problems.
+
+	* nis/nis_call.c: Remove debug output.
+
+	* nis/nis_intern.c (__nis_finddirectory): Remove.
+
 1997-05-03 00:53  Ulrich Drepper  <drepper@cygnus.com>
 
 	* posix/TESTS2C.sed: Recognize only digits in first field.  This
diff --git a/stdio-common/bug3.c b/stdio-common/bug3.c
index 3bb0158a21..6b2ed6b8e0 100644
--- a/stdio-common/bug3.c
+++ b/stdio-common/bug3.c
@@ -1,13 +1,12 @@
-#include <ansidecl.h>
 #include <stdio.h>
 #include <string.h>
 
 int
-DEFUN_VOID(main)
+main (void)
 {
   FILE *f;
   int i;
-  const char filename[] = "/tmp/bugtest";
+  const char filename[] = "/tmp/bug3.test";
 
   f = fopen(filename, "w+");
   for (i=0; i<9000; i++)
diff --git a/stdio-common/bug4.c b/stdio-common/bug4.c
index 492a41d923..a0377862a5 100644
--- a/stdio-common/bug4.c
+++ b/stdio-common/bug4.c
@@ -1,6 +1,3 @@
-#ifdef _LIBC
-#include <ansidecl.h>
-#endif
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
@@ -8,13 +5,12 @@
 int stdio_block_read = 1, stdio_block_write = 1;
 
 int
-DEFUN(main, (argc, argv),
-      int argc AND char **argv)
+main (int argc, char *argv[])
 {
   FILE *f;
   int i;
   char buffer[31];
-  const char filename[] = "/tmp/bugtest";
+  const char filename[] = "/tmp/bug4.test";
 
   while ((i = getopt (argc, argv, "rw")) != -1)
     switch (i)
@@ -27,17 +23,17 @@ DEFUN(main, (argc, argv),
 	break;
       }
 
-  f = fopen(filename, "w+");
-  for (i=0; i<9000; i++) {
+  f = fopen (filename, "w+");
+  for (i = 0; i < 9000; ++i)
     putc('x', f);
-  }
-  fseek(f, 8180L, 0);
-  fwrite("Where does this text come from?", 1, 31, f);
-  fseek(f, 8180L, 0);
-  fread(buffer, 1, 31, f);
-  fwrite(buffer, 1, 31, stdout);
-  fclose(f);
-  remove(filename);
+
+  fseek (f, 8180L, 0);
+  fwrite ("Where does this text come from?", 1, 31, f);
+  fseek (f, 8180L, 0);
+  fread (buffer, 1, 31, f);
+  fwrite (buffer, 1, 31, stdout);
+  fclose (f);
+  remove (filename);
 
   if (!memcmp (buffer, "Where does this text come from?", 31))
     {
diff --git a/sunrpc/rpc/svc.h b/sunrpc/rpc/svc.h
index 6a36900908..6b308f356e 100644
--- a/sunrpc/rpc/svc.h
+++ b/sunrpc/rpc/svc.h
@@ -269,9 +269,10 @@ extern int svc_fds;
  * a small program implemented by the svc_rpc implementation itself;
  * also see clnt.h for protocol numbers.
  */
-extern void	svc_getreq __P ((int __rdfds));
-extern void	svc_getreqset __P ((fd_set *readfds));
-extern void	svc_run __P ((void)); /* __attribute__ ((noreturn)) */
+extern void svc_getreq __P ((int __rdfds));
+extern void svc_getreqset __P ((fd_set *__readfds));
+extern void svc_exit __P ((void));
+extern void svc_run __P ((void));
 
 /*
  * Socket to use on svcxxx_create call to get default socket
diff --git a/sunrpc/svc_run.c b/sunrpc/svc_run.c
index 0f59637fd1..021484d864 100644
--- a/sunrpc/svc_run.c
+++ b/sunrpc/svc_run.c
@@ -39,6 +39,16 @@ static char sccsid[] = "@(#)svc_run.c 1.1 87/10/13 Copyr 1984 Sun Micro";
 #include <errno.h>
 #include <rpc/rpc.h>
 
+static int svc_stop = 0;
+
+/* This function can be used as a signal handler to terminate the
+   server loop.  */
+void
+svc_exit (void)
+{
+  svc_stop = 1;
+}
+
 void
 svc_run (void)
 {
@@ -48,8 +58,13 @@ svc_run (void)
   int readfds;
 #endif /* def FD_SETSIZE */
 
+  svc_stop = 0;
+
   for (;;)
     {
+      if (svc_stop)
+	return;
+
 #ifdef FD_SETSIZE
       readfds = svc_fdset;
 #else
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 7b3336588d..fa4f23f51a 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -22,6 +22,8 @@
 
 #define ELF_MACHINE_NAME "i386"
 
+#include <sys/param.h>
+
 #include <assert.h>
 
 /* Return nonzero iff E_MACHINE is compatible with the running host.  */
@@ -252,9 +254,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
     }
   else
     {
-#ifndef RTLD_BOOTSTRAP
       const Elf32_Sym *const refsym = sym;
-#endif
       Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
       if (sym)
 	value += sym->st_value;
@@ -262,7 +262,18 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
       switch (ELF32_R_TYPE (reloc->r_info))
 	{
 	case R_386_COPY:
-	  memcpy (reloc_addr, (void *) value, sym->st_size);
+	  if (sym->st_size != refsym->st_size)
+	    {
+	      const char *strtab;
+
+	      strtab = ((void *) map->l_addr
+			+ map->l_info[DT_STRTAB]->d_un.d_ptr);
+	      _dl_sysdep_error ("Symbol `", strtab + refsym->st_name,
+				"' has different size in shared object, "
+				"consider re-linking\n", NULL);
+	    }
+	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
+						   refsym->st_size));
 	  break;
 	case R_386_GLOB_DAT:
 	case R_386_JMP_SLOT:
diff --git a/sysdeps/m68k/dl-machine.h b/sysdeps/m68k/dl-machine.h
index d79ef25d81..e6b8f9e362 100644
--- a/sysdeps/m68k/dl-machine.h
+++ b/sysdeps/m68k/dl-machine.h
@@ -22,6 +22,8 @@
 
 #define ELF_MACHINE_NAME "m68k"
 
+#include <sys/param.h>
+
 #include <assert.h>
 
 /* Return nonzero iff E_MACHINE is compatible with the running host.  */
@@ -54,14 +56,14 @@ static inline Elf32_Addr
 elf_machine_load_address (void)
 {
   Elf32_Addr addr;
-  asm ("here:	lea here(%%pc), %0\n"
-       "	sub.l %#here, %0"
+  asm (".Lhere:	lea .Lhere(%%pc), %0\n"
+       "	sub.l %#.Lhere, %0"
        : "=a" (addr));
   return addr;
 }
 
 /* The `subl' insn above will contain an R_68K_RELATIVE relocation
-   entry intended to insert the run-time address of the label `here'.
+   entry intended to insert the run-time address of the label `.Lhere'.
    This will be the first relocation in the text of the dynamic
    linker; we skip it to avoid trying to modify read-only text in this
    early stage.  */
@@ -215,6 +217,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
     *reloc_addr = map->l_addr + reloc->r_addend;
   else
     {
+      const Elf32_Sym *const refsym = sym;
       Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
       if (sym)
 	value += sym->st_value;
@@ -222,7 +225,18 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
       switch (ELF32_R_TYPE (reloc->r_info))
 	{
 	case R_68K_COPY:
-	  memcpy (reloc_addr, (void *) value, sym->st_size);
+	  if (sym->st_size != refsym->st_size)
+	    {
+	      const char *strtab;
+
+	      strtab = ((void *) map->l_addr
+			+ map->l_info[DT_STRTAB]->d_un.d_ptr);
+	      _dl_sysdep_error ("Symbol `", strtab + refsym->st_name,
+				"' has different size in shared object, "
+				"consider re-linking\n", NULL);
+	    }
+	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
+						   refsym->st_size));
 	  break;
 	case R_68K_GLOB_DAT:
 	case R_68K_JMP_SLOT:
diff --git a/sysdeps/powerpc/dl-machine.h b/sysdeps/powerpc/dl-machine.h
index ab22e46956..3ad5ca89c9 100644
--- a/sysdeps/powerpc/dl-machine.h
+++ b/sysdeps/powerpc/dl-machine.h
@@ -22,6 +22,8 @@
 #include <assert.h>
 #include <string.h>
 #include <link.h>
+#include <sys/param.h>
+
 
 /* stuff for the PLT */
 #define PLT_INITIAL_ENTRY_WORDS 18
@@ -149,6 +151,7 @@ static inline void
 elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 		  const Elf32_Sym *sym, const struct r_found_version *version)
 {
+  const Elf32_Sym *const refsym = sym;
   Elf32_Addr *const reloc_addr = (Elf32_Addr *)(map->l_addr + reloc->r_offset);
   Elf32_Word loadbase, finaladdr;
   const int rinfo = ELF32_R_TYPE (reloc->r_info);
@@ -232,7 +235,18 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
     }
   else if (rinfo == R_PPC_COPY)
     {
-      memcpy (reloc_addr, (char *) finaladdr, sym->st_size);
+      if (sym->st_size != refsym->st_size)
+	{
+	  const char *strtab;
+
+	  strtab = ((void *) map->l_addr
+		    + map->l_info[DT_STRTAB]->d_un.d_ptr);
+	  _dl_sysdep_error ("Symbol `", strtab + refsym->st_name,
+			    "' has different size in shared object, "
+			    "consider re-linking\n", NULL);
+	}
+      memcpy (reloc_addr, (char *) finaladdr, MIN (sym->st_size,
+						   refsym->st_size));
     }
 #endif
   else if (rinfo == R_PPC_REL32)
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h
index 1ab3762ea0..03458144b7 100644
--- a/sysdeps/sparc/dl-machine.h
+++ b/sysdeps/sparc/dl-machine.h
@@ -22,6 +22,7 @@
 #include <assert.h>
 #include <string.h>
 #include <link.h>
+#include <sys/param.h>
 
 
 /* Some SPARC opcodes we need to use for self-modifying code.  */
@@ -113,6 +114,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
     }
   else
     {
+      const Elf32_Sym *const refsym = sym;
       Elf32_Addr value;
       if (sym->st_shndx != SHN_UNDEF &&
 	  ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
@@ -128,7 +130,18 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
       switch (ELF32_R_TYPE (reloc->r_info))
 	{
 	case R_SPARC_COPY:
-	  memcpy (reloc_addr, (void *) value, sym->st_size);
+	  if (sym->st_size != refsym->st_size)
+	    {
+	      const char *strtab;
+
+	      strtab = ((void *) map->l_addr
+			+ map->l_info[DT_STRTAB]->d_un.d_ptr);
+	      _dl_sysdep_error ("Symbol `", strtab + refsym->st_name,
+				"' has different size in shared object, "
+				"consider re-linking\n", NULL);
+	    }
+	  memcpy (reloc_addr, (void *) value, MIN (sym->st_size,
+						   refsym->st_size));
 	  break;
 	case R_SPARC_GLOB_DAT:
 	case R_SPARC_32: