From: Joern Rennecke <joern.rennecke@embecosm.com>
Date: Wed, 15 Oct 2003 12:30:47 +0000 (+0000)
Subject: include/gdb:
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=8822d0016c0c592c921a3a4e96d2e8533c79545f;p=deliverable%2Fbinutils-gdb.git

include/gdb:
        * callback.h (struct host_callback_struct): New members ftruncate
        and truncate.
gdb:
sim/common:
        * callback.c (os_ftruncate, os_truncate): New functions.
        (default_callback): Initialize ftruncate and truncate members.
sim/sh:
        * syscall.h (SYS_truncate, SYS_ftruncate): Define.
        * interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
---

diff --git a/sim/common/ChangeLog b/sim/common/ChangeLog
index ca6d384a85..be39aba48d 100644
--- a/sim/common/ChangeLog
+++ b/sim/common/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-15  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* callback.c (os_ftruncate, os_truncate): New functions.
+	(default_callback): Initialize ftruncate and truncate members.
+
 2003-09-08  Dave Brolley  <brolley@redhat.com>
 
 	On behalf of Doug Evans <dje@sebabeach.org>
diff --git a/sim/common/callback.c b/sim/common/callback.c
index db0fff68e8..b22548182b 100644
--- a/sim/common/callback.c
+++ b/sim/common/callback.c
@@ -399,6 +399,30 @@ os_fstat (p, fd, buf)
   return wrap (p, fstat (fdmap (p, fd), buf));
 }
 
+static int 
+os_ftruncate (p, fd, len)
+     host_callback *p;
+     int fd;
+     long len;
+{
+  int result;
+
+  result = fdbad (p, fd);
+  if (result)
+    return result;
+  result = wrap (p, ftruncate (fdmap (p, fd), len));
+  return result;
+}
+
+static int
+os_truncate (p, file, len)
+     host_callback *p;
+     const char *file;
+     long len;
+{
+  return wrap (p, stat (file, len));
+}
+
 static int
 os_shutdown (p)
      host_callback *p;
@@ -538,6 +562,9 @@ host_callback default_callback =
   os_stat,
   os_fstat,
 
+  os_ftruncate,
+  os_truncate,
+
   os_poll_quit,
 
   os_shutdown,
diff --git a/sim/sh/ChangeLog b/sim/sh/ChangeLog
index 7ab1394aef..2b6cf4353d 100644
--- a/sim/sh/ChangeLog
+++ b/sim/sh/ChangeLog
@@ -1,3 +1,8 @@
+2003-10-15  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* syscall.h (SYS_truncate, SYS_ftruncate): Define.
+	* interp.c (trap): Add support for SYS_ftruncate and SYS_truncate.
+
 2003-08-11  Shrinivas Atre  <shrinivasa@KPITCummins.com>	
 	* sim/sh/gencode.c ( tab[] ): Addition of MAC.L handler and 
 	correction for MAC.W handler
diff --git a/sim/sh/interp.c b/sim/sh/interp.c
index 91899f400e..711df1eb48 100644
--- a/sim/sh/interp.c
+++ b/sim/sh/interp.c
@@ -1153,6 +1153,17 @@ trap (i, regs, insn_ptr, memory, maskl, maskw, endianw)
 	  case SYS_time:
 	    regs[0] = get_now ();
 	    break;
+	  case SYS_ftruncate:
+	    regs[0] = callback->ftruncate (callback, regs[5], regs[6]);
+	    break;
+	  case SYS_truncate:
+	    {
+	      int len = strswaplen (regs[5]);
+	      strnswap (regs[5], len);
+	      regs[0] = callback->truncate (callback, ptr (regs[5]), regs[6]);
+	      strnswap (regs[5], len);
+	      break;
+	    }
 	  default:
 	    regs[0] = -1;
 	    break;
diff --git a/sim/sh/syscall.h b/sim/sh/syscall.h
index 9b818f9392..aebce2ce26 100644
--- a/sim/sh/syscall.h
+++ b/sim/sh/syscall.h
@@ -27,6 +27,8 @@
 #define	SYS_stat	38
 #define	SYS_pipe	42
 #define	SYS_execve	59
+#define	SYS_truncate	129
+#define	SYS_ftruncate	130
 #define	SYS_argc	172
 #define	SYS_argnlen	173
 #define	SYS_argn	174