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* syscall.c (cb_syscall) <case CB_SYS_lstat>: New case. 

* callback.c (os_lstat): New function.
This commit is contained in:
Hans-Peter Nilsson 2004-12-13 00:38:38 +00:00
parent c4b36ce9fe
commit 0d3cd463e3
3 changed files with 60 additions and 0 deletions
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5
sim/common/ChangeLog
View File

@ -1,3 +1,8 @@
2004-12-13 Hans-Peter Nilsson <hp@axis.com>
* syscall.c (cb_syscall) <case CB_SYS_lstat>: New case.
* callback.c (os_lstat): New function.
2004-12-08 Hans-Peter Nilsson <hp@axis.com>
* run.1: Document --sysroot=filepath.

11
sim/common/callback.c
View File

@ -407,6 +407,16 @@ os_fstat (p, fd, buf)
return wrap (p, fstat (fdmap (p, fd), buf));
}
static int
os_lstat (p, file, buf)
host_callback *p;
const char *file;
struct stat *buf;
{
/* NOTE: hpn/2004-12-12: Same issue here as with os_fstat. */
return wrap (p, lstat (file, buf));
}
static int
os_ftruncate (p, fd, len)
host_callback *p;
@ -589,6 +599,7 @@ host_callback default_callback =
os_stat,
os_fstat,
os_lstat,
os_ftruncate,
os_truncate,

44
sim/common/syscall.c
View File

@ -471,6 +471,50 @@ cb_syscall (cb, sc)
}
break;
case CB_SYS_lstat :
{
char *path, *buf;
int buflen;
struct stat statbuf;
TADDR addr = sc->arg2;
errcode = get_path (cb, sc, sc->arg1, &path);
if (errcode != 0)
{
result = -1;
goto FinishSyscall;
}
result = (*cb->lstat) (cb, path, &statbuf);
free (path);
if (result < 0)
goto ErrorFinish;
buflen = cb_host_to_target_stat (cb, NULL, NULL);
buf = xmalloc (buflen);
if (cb_host_to_target_stat (cb, &statbuf, buf) != buflen)
{
/* The translation failed. This is due to an internal
host program error, not the target's fault.
Unfortunately, it's hard to test this case, so there's no
test-case for this execution path. */
free (buf);
errcode = ENOSYS;
result = -1;
goto FinishSyscall;
}
if ((*sc->write_mem) (cb, sc, addr, buf, buflen) != buflen)
{
free (buf);
errcode = EINVAL;
result = -1;
goto FinishSyscall;
}
free (buf);
}
break;
case CB_SYS_time :
{
/* FIXME: May wish to change CB_SYS_time to something else.