virtualization/app-emulation/qemu/files/0.11.0/0027-linux-user-fcntl-fixes-for-LTP.patch

From e4f2e031fe5b5f9f11560a51ce607ffdd3090c05 Mon Sep 17 00:00:00 2001
From: Ulrich Hecht <uli@suse.de>
Date: Thu, 23 Jul 2009 15:10:30 +0200
Subject: [PATCH 27/33] linux-user: fcntl fixes for LTP

Fixes swaps on l_pid which were pretty much of random size. Implements
F_SETLEASE, F_GETLEASE. Now passes all LTP fcntl tests.

Signed-off-by: Ulrich Hecht <uli@suse.de>
---
 linux-user/syscall.c      |   34 ++++++++++++++++++++++------------
 linux-user/syscall_defs.h |    7 +++++++
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 4fb7998..86754f1 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -3705,6 +3705,14 @@ static int target_to_host_fcntl_cmd(int cmd)
 	case TARGET_F_SETLKW64:
 	    return F_SETLKW64;
 #endif
+        case TARGET_F_SETLEASE:
+            return F_SETLEASE;
+        case TARGET_F_GETLEASE:
+            return F_GETLEASE;
+        case TARGET_F_DUPFD_CLOEXEC:
+            return F_DUPFD_CLOEXEC;
+        case TARGET_F_NOTIFY:
+            return F_NOTIFY;
 	default:
             return -TARGET_EINVAL;
     }
@@ -3731,7 +3739,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
         fl.l_whence = tswap16(target_fl->l_whence);
         fl.l_start = tswapl(target_fl->l_start);
         fl.l_len = tswapl(target_fl->l_len);
-        fl.l_pid = tswapl(target_fl->l_pid);
+        fl.l_pid = tswap32(target_fl->l_pid);
         unlock_user_struct(target_fl, arg, 0);
         ret = get_errno(fcntl(fd, host_cmd, &fl));
         if (ret == 0) {
@@ -3741,7 +3749,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
             target_fl->l_whence = tswap16(fl.l_whence);
             target_fl->l_start = tswapl(fl.l_start);
             target_fl->l_len = tswapl(fl.l_len);
-            target_fl->l_pid = tswapl(fl.l_pid);
+            target_fl->l_pid = tswap32(fl.l_pid);
             unlock_user_struct(target_fl, arg, 1);
         }
         break;
@@ -3754,7 +3762,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
         fl.l_whence = tswap16(target_fl->l_whence);
         fl.l_start = tswapl(target_fl->l_start);
         fl.l_len = tswapl(target_fl->l_len);
-        fl.l_pid = tswapl(target_fl->l_pid);
+        fl.l_pid = tswap32(target_fl->l_pid);
         unlock_user_struct(target_fl, arg, 0);
         ret = get_errno(fcntl(fd, host_cmd, &fl));
         break;
@@ -3766,7 +3774,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
         fl64.l_whence = tswap16(target_fl64->l_whence);
         fl64.l_start = tswapl(target_fl64->l_start);
         fl64.l_len = tswapl(target_fl64->l_len);
-        fl64.l_pid = tswap16(target_fl64->l_pid);
+        fl64.l_pid = tswap32(target_fl64->l_pid);
         unlock_user_struct(target_fl64, arg, 0);
         ret = get_errno(fcntl(fd, host_cmd, &fl64));
         if (ret == 0) {
@@ -3776,7 +3784,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
             target_fl64->l_whence = tswap16(fl64.l_whence);
             target_fl64->l_start = tswapl(fl64.l_start);
             target_fl64->l_len = tswapl(fl64.l_len);
-            target_fl64->l_pid = tswapl(fl64.l_pid);
+            target_fl64->l_pid = tswap32(fl64.l_pid);
             unlock_user_struct(target_fl64, arg, 1);
         }
         break;
@@ -3788,7 +3796,7 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
         fl64.l_whence = tswap16(target_fl64->l_whence);
         fl64.l_start = tswapl(target_fl64->l_start);
         fl64.l_len = tswapl(target_fl64->l_len);
-        fl64.l_pid = tswap16(target_fl64->l_pid);
+        fl64.l_pid = tswap32(target_fl64->l_pid);
         unlock_user_struct(target_fl64, arg, 0);
         ret = get_errno(fcntl(fd, host_cmd, &fl64));
         break;
@@ -3808,6 +3816,8 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
     case TARGET_F_GETOWN:
     case TARGET_F_SETSIG:
     case TARGET_F_GETSIG:
+    case TARGET_F_SETLEASE:
+    case TARGET_F_GETLEASE:
         ret = get_errno(fcntl(fd, host_cmd, arg));
         break;
 
@@ -6630,7 +6640,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                 fl.l_whence = tswap16(target_efl->l_whence);
                 fl.l_start = tswap64(target_efl->l_start);
                 fl.l_len = tswap64(target_efl->l_len);
-                fl.l_pid = tswapl(target_efl->l_pid);
+                fl.l_pid = tswap32(target_efl->l_pid);
                 unlock_user_struct(target_efl, arg3, 0);
             } else
 #endif
@@ -6641,7 +6651,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                 fl.l_whence = tswap16(target_fl->l_whence);
                 fl.l_start = tswap64(target_fl->l_start);
                 fl.l_len = tswap64(target_fl->l_len);
-                fl.l_pid = tswapl(target_fl->l_pid);
+                fl.l_pid = tswap32(target_fl->l_pid);
                 unlock_user_struct(target_fl, arg3, 0);
             }
             ret = get_errno(fcntl(arg1, cmd, &fl));
@@ -6654,7 +6664,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                     target_efl->l_whence = tswap16(fl.l_whence);
                     target_efl->l_start = tswap64(fl.l_start);
                     target_efl->l_len = tswap64(fl.l_len);
-                    target_efl->l_pid = tswapl(fl.l_pid);
+                    target_efl->l_pid = tswap32(fl.l_pid);
                     unlock_user_struct(target_efl, arg3, 1);
                 } else
 #endif
@@ -6665,7 +6675,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                     target_fl->l_whence = tswap16(fl.l_whence);
                     target_fl->l_start = tswap64(fl.l_start);
                     target_fl->l_len = tswap64(fl.l_len);
-                    target_fl->l_pid = tswapl(fl.l_pid);
+                    target_fl->l_pid = tswap32(fl.l_pid);
                     unlock_user_struct(target_fl, arg3, 1);
                 }
 	    }
@@ -6681,7 +6691,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                 fl.l_whence = tswap16(target_efl->l_whence);
                 fl.l_start = tswap64(target_efl->l_start);
                 fl.l_len = tswap64(target_efl->l_len);
-                fl.l_pid = tswapl(target_efl->l_pid);
+                fl.l_pid = tswap32(target_efl->l_pid);
                 unlock_user_struct(target_efl, arg3, 0);
             } else
 #endif
@@ -6692,7 +6702,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                 fl.l_whence = tswap16(target_fl->l_whence);
                 fl.l_start = tswap64(target_fl->l_start);
                 fl.l_len = tswap64(target_fl->l_len);
-                fl.l_pid = tswapl(target_fl->l_pid);
+                fl.l_pid = tswap32(target_fl->l_pid);
                 unlock_user_struct(target_fl, arg3, 0);
             }
             ret = get_errno(fcntl(arg1, cmd, &fl));
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 0f4fbd7..481ce59 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1824,6 +1824,13 @@ struct target_statfs64 {
 #define TARGET_F_SETLK64       13
 #define TARGET_F_SETLKW64      14
 #endif
+
+#define TARGET_F_LINUX_SPECIFIC_BASE 1024
+#define TARGET_F_SETLEASE (TARGET_F_LINUX_SPECIFIC_BASE + 0)
+#define TARGET_F_GETLEASE (TARGET_F_LINUX_SPECIFIC_BASE + 1)
+#define TARGET_F_DUPFD_CLOEXEC (TARGET_F_LINUX_SPECIFIC_BASE + 6)
+#define TARGET_F_NOTIFY  (TARGET_F_LINUX_SPECIFIC_BASE+2)
+
 #if defined (TARGET_ARM)
 #define TARGET_O_ACCMODE          0003
 #define TARGET_O_RDONLY             00
-- 
1.6.2.1