* 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.
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2 changed files with 61 additions and 0 deletions
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@ -1,5 +1,9 @@
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2009-01-03 Hans-Peter Nilsson <hp@axis.com>
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* cris/traps.c (TARGET_SYS_access, TARGET_R_OK, TARGET_W_OK)
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(TARGET_X_OK, TARGET_F_OK): Define.
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(cris_break_13_handler) <case TARGET_SYS_access>: New case.
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* cris/semcrisv32f-switch.c: Regenerate.
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2008-12-30 Hans-Peter Nilsson <hp@axis.com>
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@ -65,6 +65,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#define TARGET_SYS_time 13
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#define TARGET_SYS_lseek 19
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#define TARGET_SYS_getpid 20
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#define TARGET_SYS_access 33
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#define TARGET_SYS_kill 37
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#define TARGET_SYS_rename 38
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#define TARGET_SYS_pipe 42
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@ -244,6 +245,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* From linux/limits.h. */
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#define TARGET_PIPE_BUF 4096
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/* From unistd.h. */
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#define TARGET_R_OK 4
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#define TARGET_W_OK 2
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#define TARGET_X_OK 1
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#define TARGET_F_OK 0
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static const char stat_map[] =
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"st_dev,2:space,10:space,4:st_mode,4:st_nlink,4:st_uid,4"
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":st_gid,4:st_rdev,2:space,10:st_size,8:st_blksize,4:st_blocks,4"
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@ -2648,6 +2655,56 @@ cris_break_13_handler (SIM_CPU *current_cpu, USI callnum, USI arg1,
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break;
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}
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case TARGET_SYS_access:
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{
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SI path = arg1;
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SI mode = arg2;
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char *pbuf = xmalloc (SIM_PATHMAX);
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int i;
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int o = 0;
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int hmode = 0;
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if (sim_core_read_unaligned_1 (current_cpu, pc, 0, path) == '/')
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{
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strcpy (pbuf, simulator_sysroot);
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o += strlen (simulator_sysroot);
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}
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for (i = 0; i + o < SIM_PATHMAX; i++)
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{
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pbuf[i + o]
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= sim_core_read_unaligned_1 (current_cpu, pc, 0, path + i);
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if (pbuf[i + o] == 0)
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break;
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}
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if (i + o == SIM_PATHMAX)
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{
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retval = -cb_host_to_target_errno (cb, ENAMETOOLONG);
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break;
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}
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/* Assert that we don't get calls for files for which we
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don't have support. */
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if (strncmp (pbuf + strlen (simulator_sysroot),
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"/proc/", 6) == 0)
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abort ();
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#define X_AFLAG(x) if (mode & TARGET_ ## x) hmode |= x
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X_AFLAG (R_OK);
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X_AFLAG (W_OK);
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X_AFLAG (X_OK);
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X_AFLAG (F_OK);
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#undef X_AFLAG
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if (access (pbuf, hmode) != 0)
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retval = -cb_host_to_target_errno (cb, errno);
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else
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retval = 0;
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free (pbuf);
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break;
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}
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case TARGET_SYS_readlink:
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{
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SI path = arg1;
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