* cris/configure.ac: Check for limits.h and sys/param.h.

	* cris/configure, cris/config.in: Rebuild.
	* cris/traps.c (SIM_PATHMAX): New macro.
	(cris_break_13_handler): Use SIM_PATHMAX, not MAXPATHLEN.

4 files changed, 136 insertions, 11 deletions

diff --git a/sim/cris/config.in b/sim/cris/config.in
index e69de29..41eb086 100644
--- a/sim/cris/config.in
+++ b/sim/cris/config.in
@@ -0,0 +1,108 @@
+/* config.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if translation of program messages to the user's native
+   language is requested. */
+#undef ENABLE_NLS
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you have the <errno.h> header file. */
+#undef HAVE_ERRNO_H
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the <fpu_control.h> header file. */
+#undef HAVE_FPU_CONTROL_H
+
+/* Define to 1 if you have the `getrusage' function. */
+#undef HAVE_GETRUSAGE
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `nsl' library (-lnsl). */
+#undef HAVE_LIBNSL
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `sigaction' function. */
+#undef HAVE_SIGACTION
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/resource.h> header file. */
+#undef HAVE_SYS_RESOURCE_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the `time' function. */
+#undef HAVE_TIME
+
+/* Define to 1 if you have the <time.h> header file. */
+#undef HAVE_TIME_H
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `__setfpucw' function. */
+#undef HAVE___SETFPUCW
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define as the return type of signal handlers (`int' or `void'). */
+#undef RETSIGTYPE
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Define to 1 if your processor stores words with the most significant byte
+   first (like Motorola and SPARC, unlike Intel and VAX). */
+#undef WORDS_BIGENDIAN
diff --git a/sim/cris/configure b/sim/cris/configure
index 4706527..96bb0cc 100755
--- a/sim/cris/configure
+++ b/sim/cris/configure
@@ -4355,7 +4355,9 @@ sim_link_links="${sim_link_links} targ-vals.def"
 # For dv-rv and rvdummy.
 
 
-for ac_header in sys/socket.h sys/select.h
+
+
+for ac_header in sys/socket.h sys/select.h limits.h sys/param.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if eval "test \"\${$as_ac_Header+set}\" = set"; then
diff --git a/sim/cris/configure.ac b/sim/cris/configure.ac
index a349d8d..6ff1c0e 100644
--- a/sim/cris/configure.ac
+++ b/sim/cris/configure.ac
@@ -10,7 +10,7 @@ sinclude(../common/aclocal.m4)
 sinclude(../common/common.m4)
 
 # For dv-rv and rvdummy.
-AC_CHECK_HEADERS(sys/socket.h sys/select.h)
+AC_CHECK_HEADERS(sys/socket.h sys/select.h limits.h sys/param.h)
 
 SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
 SIM_AC_OPTION_HOSTENDIAN
diff --git a/sim/cris/traps.c b/sim/cris/traps.c
index 2eb0a1b..487fadd 100644
--- a/sim/cris/traps.c
+++ b/sim/cris/traps.c
@@ -38,6 +38,21 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifdef HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
+/* For PATH_MAX, originally. */
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+/* From ld/sysdep.h.  */
+#ifdef PATH_MAX
+# define SIM_PATHMAX PATH_MAX
+#else
+# ifdef MAXPATHLEN
+#  define SIM_PATHMAX MAXPATHLEN
+# else
+#  define SIM_PATHMAX 1024
+# endif
+#endif
 
 /* The verbatim values are from asm-cris/unistd.h.  */
 
@@ -2413,8 +2428,8 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 	    USI buf = arg1;
 	    USI size = arg2;
 
-	    char *cwd = xmalloc (MAXPATHLEN);
-	    if (cwd != getcwd (cwd, MAXPATHLEN))
+	    char *cwd = xmalloc (SIM_PATHMAX);
+	    if (cwd != getcwd (cwd, SIM_PATHMAX))
 	      abort ();
 
 	    /* FIXME: When and if we support chdir, we need something
@@ -2440,8 +2455,8 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 	    SI path = arg1;
 	    SI buf = arg2;
 	    SI bufsiz = arg3;
-	    char *pbuf = xmalloc (MAXPATHLEN);
-	    char *lbuf = xmalloc (MAXPATHLEN);
+	    char *pbuf = xmalloc (SIM_PATHMAX);
+	    char *lbuf = xmalloc (SIM_PATHMAX);
 	    char *lbuf_alloc = lbuf;
 	    int nchars = -1;
 	    int i;
@@ -2453,7 +2468,7 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 		o += strlen (simulator_sysroot);
 	      }
 
-	    for (i = 0; i + o < MAXPATHLEN; i++)
+	    for (i = 0; i + o < SIM_PATHMAX; i++)
 	      {
 		pbuf[i + o]
 		  = sim_core_read_unaligned_1 (current_cpu, pc, 0, path + i);
@@ -2461,7 +2476,7 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 		  break;
 	      }
 
-	    if (i + o == MAXPATHLEN)
+	    if (i + o == SIM_PATHMAX)
 	      {
 		retval = -cb_host_to_target_errno (cb, ENAMETOOLONG);
 		break;
@@ -2497,8 +2512,8 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 		  }
 		else
 		  {
-		    if (getcwd (lbuf, MAXPATHLEN) != NULL
-			&& strlen (lbuf) + 2 + strlen (argv0) < MAXPATHLEN)
+		    if (getcwd (lbuf, SIM_PATHMAX) != NULL
+			&& strlen (lbuf) + 2 + strlen (argv0) < SIM_PATHMAX)
 		      {
 			if (strncmp (simulator_sysroot, lbuf,
 				     strlen (simulator_sysroot)) == 0)
@@ -2513,7 +2528,7 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
 		  }
 	      }
 	    else
-	      nchars = readlink (pbuf, lbuf, MAXPATHLEN);
+	      nchars = readlink (pbuf, lbuf, SIM_PATHMAX);
 
 	    /* We trust that the readlink result returns a *relative*
 	       link, or one already adjusted for the file-path-prefix.