From: Hans-Peter Nilsson <hp@axis.com>
Date: Mon, 13 Dec 2004 00:38:38 +0000 (+0000)
Subject: 	* syscall.c (cb_syscall) <case CB_SYS_lstat>: New case.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0d3cd463e38ed3e3f7ae27ca38c00170150a275f;p=binutils-gdb.git

	* syscall.c (cb_syscall) <case CB_SYS_lstat>: New case.
	* callback.c (os_lstat): New function.
---

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index bc71bc9d624..0213a9c6dac 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -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.
diff --git a/sim/common/callback.c b/sim/common/callback.c
index 22047876277..7ba0c06fb06 100644
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -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,
diff --git a/sim/common/syscall.c b/sim/common/syscall.c
index 76b32bafe16..07521c93c90 100644
--- a/sim/common/syscall.c
+++ b/sim/common/syscall.c
@@ -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.