* cris/traps.c (TARGET_SYS_access, TARGET_R_OK, TARGET_W_OK)

	(TARGET_X_OK, TARGET_F_OK): Define.
	(cris_break_13_handler) <case TARGET_SYS_access>: New case.

diff --git a/sim/ChangeLog b/sim/ChangeLog
index 0e777db7775230c2ad226241ad413d1943db94bb..90cc95f6b74bdf35cb43272031fe442b0b74cdf7 100644 (file)
--- a/sim/ChangeLog
+++ b/sim/ChangeLog
@@ -1,5 +1,9 @@
 2009-01-03  Hans-Peter Nilsson  <hp@axis.com>
 
+       * cris/traps.c (TARGET_SYS_access, TARGET_R_OK, TARGET_W_OK)
+       (TARGET_X_OK, TARGET_F_OK): Define.
+       (cris_break_13_handler) <case TARGET_SYS_access>: New case.
+
        * cris/semcrisv32f-switch.c: Regenerate.
 
 2008-12-30  Hans-Peter Nilsson  <hp@axis.com>

diff --git a/sim/cris/traps.c b/sim/cris/traps.c
index 044d6c67ad7548bf4984b13740ee91dc2a922e8a..afe5bfb12a37b61580238f5cfd7896c3da9ad714 100644 (file)
--- a/sim/cris/traps.c
+++ b/sim/cris/traps.c
@@ -65,6 +65,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #define TARGET_SYS_time 13
 #define TARGET_SYS_lseek 19
 #define TARGET_SYS_getpid 20
+#define TARGET_SYS_access 33
 #define TARGET_SYS_kill 37
 #define TARGET_SYS_rename 38
 #define TARGET_SYS_pipe 42
@@ -244,6 +245,12 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 /* From linux/limits.h. */
 #define TARGET_PIPE_BUF 4096
 
+/* From unistd.h.  */
+#define        TARGET_R_OK 4
+#define        TARGET_W_OK 2
+#define        TARGET_X_OK 1
+#define        TARGET_F_OK 0
+
 static const char stat_map[] =
 "st_dev,2:space,10:space,4:st_mode,4:st_nlink,4:st_uid,4"
 ":st_gid,4:st_rdev,2:space,10:st_size,8:st_blksize,4:st_blocks,4"
@@ -2648,6 +2655,56 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
            break;
          }
 
+       case TARGET_SYS_access:
+         {
+           SI path = arg1;
+           SI mode = arg2;
+           char *pbuf = xmalloc (SIM_PATHMAX);
+           int i;
+           int o = 0;
+           int hmode = 0;
+
+           if (sim_core_read_unaligned_1 (current_cpu, pc, 0, path) == '/')
+             {
+               strcpy (pbuf, simulator_sysroot);
+               o += strlen (simulator_sysroot);
+             }
+
+           for (i = 0; i + o < SIM_PATHMAX; i++)
+             {
+               pbuf[i + o]
+                 = sim_core_read_unaligned_1 (current_cpu, pc, 0, path + i);
+               if (pbuf[i + o] == 0)
+                 break;
+             }
+
+           if (i + o == SIM_PATHMAX)
+             {
+               retval = -cb_host_to_target_errno (cb, ENAMETOOLONG);
+               break;
+             }
+
+           /* Assert that we don't get calls for files for which we
+              don't have support.  */
+           if (strncmp (pbuf + strlen (simulator_sysroot),
+                        "/proc/", 6) == 0)
+             abort ();
+#define X_AFLAG(x) if (mode & TARGET_ ## x) hmode |= x
+           X_AFLAG (R_OK);
+           X_AFLAG (W_OK);
+           X_AFLAG (X_OK);
+           X_AFLAG (F_OK);
+#undef X_AFLAG
+
+           if (access (pbuf, hmode) != 0)
+             retval = -cb_host_to_target_errno (cb, errno);
+           else
+             retval = 0;
+
+           free (pbuf);
+           break;
+         }
+
        case TARGET_SYS_readlink:
          {
            SI path = arg1;