libgcov.c (__gcov_execl, [...]): Remove const qualifier from arg parameter.

	* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg parameter. Remove unnecessary cast to
	char *.
	* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg 2.

From-SVN: r143511

gcc/ChangeLog

+2009-01-20  Ben Elliston  <bje@au.ibm.com>
+
+	* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
+	const qualifier from arg parameter. Remove unnecessary cast to
+	char *.
+	* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
+	const qualifier from arg 2.
+
 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
 
         * config/darwin.h: Add static-libgfortran to LINK_SPEC.

gcc/gcov-io.h

@@ -481,9 +481,9 @@ extern void __gcov_ior_profiler (gcov_type *, gcov_type);
 #ifndef inhibit_libc
 /* The wrappers around some library functions..  */
 extern pid_t __gcov_fork (void) ATTRIBUTE_HIDDEN;
-extern int __gcov_execl (const char *, const char *, ...) ATTRIBUTE_HIDDEN;
-extern int __gcov_execlp (const char *, const char *, ...) ATTRIBUTE_HIDDEN;
-extern int __gcov_execle (const char *,  const char *, ...) ATTRIBUTE_HIDDEN;
+extern int __gcov_execl (const char *, char *, ...) ATTRIBUTE_HIDDEN;
+extern int __gcov_execlp (const char *, char *, ...) ATTRIBUTE_HIDDEN;
+extern int __gcov_execle (const char *, char *, ...) ATTRIBUTE_HIDDEN;
 extern int __gcov_execv (const char *, char *const []) ATTRIBUTE_HIDDEN;
 extern int __gcov_execvp (const char *, char *const []) ATTRIBUTE_HIDDEN;
 extern int __gcov_execve (const char *, char  *const [], char *const [])

gcc/libgcov.c

@@ -828,7 +828,7 @@ __gcov_fork (void)
    that they are not lost.  */
 
 int
-__gcov_execl (const char *path, const char *arg, ...)
+__gcov_execl (const char *path, char *arg, ...)
 {
   va_list ap, aq;
   unsigned i, length;
@@ -845,7 +845,7 @@ __gcov_execl (const char *path, const char *arg, ...)
   va_end (ap);
 
   args = (char **) alloca (length * sizeof (void *));
-  args[0] = (char *) arg;
+  args[0] = arg;
   for (i = 1; i < length; i++)
     args[i] = va_arg (aq, char *);
   va_end (aq);
@@ -859,7 +859,7 @@ __gcov_execl (const char *path, const char *arg, ...)
    that they are not lost.  */
 
 int
-__gcov_execlp (const char *path, const char *arg, ...)
+__gcov_execlp (const char *path, char *arg, ...)
 {
   va_list ap, aq;
   unsigned i, length;
@@ -876,7 +876,7 @@ __gcov_execlp (const char *path, const char *arg, ...)
   va_end (ap);
 
   args = (char **) alloca (length * sizeof (void *));
-  args[0] = (char *) arg;
+  args[0] = arg;
   for (i = 1; i < length; i++)
     args[i] = va_arg (aq, char *);
   va_end (aq);
@@ -890,7 +890,7 @@ __gcov_execlp (const char *path, const char *arg, ...)
    that they are not lost.  */
 
 int
-__gcov_execle (const char *path, const char *arg, ...)
+__gcov_execle (const char *path, char *arg, ...)
 {
   va_list ap, aq;
   unsigned i, length;
@@ -908,7 +908,7 @@ __gcov_execle (const char *path, const char *arg, ...)
   va_end (ap);
 
   args = (char **) alloca (length * sizeof (void *));
-  args[0] = (char *) arg;
+  args[0] = arg;
   for (i = 1; i < length; i++)
     args[i] = va_arg (aq, char *);
   envp = va_arg (aq, char **);