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* 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.
This commit is contained in:
Hans-Peter Nilsson 2009-01-03 18:37:31 +00:00
parent e1c37eb57e
commit e7fcaaa45e
2 changed files with 61 additions and 0 deletions
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4
sim/ChangeLog
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@ -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>

57
sim/cris/traps.c
View File

@ -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;