Merge branch 'axp-next' of git://repo.or.cz/qemu/rth

* 'axp-next' of git://repo.or.cz/qemu/rth:
  alpha-linux-user: Fix the getpriority syscall
  alpha-linux-user: Properly handle the non-rt sigprocmask syscall.
  alpha-linux-user: Fix a3 error return with v0 error bypass.
  linux-user: Translate pipe2 flags; add to strace
  linux-user: Allocate the right amount of space for non-fixed file maps
  linux-user: Handle O_SYNC, O_NOATIME, O_CLOEXEC, O_PATH
  linux-user: Sync fcntl.h bits with the kernel
  alpha-linux-user: Handle TARGET_SSI_IEEE_RAISE_EXCEPTION properly
  alpha-linux-user: Work around hosted mmap allocation problems
  alpha-linux-user: Fix signal handling

8 files changed, 270 insertions, 144 deletions

diff --git a/linux-user/alpha/syscall_nr.h b/linux-user/alpha/syscall_nr.h
index f6284db22f..ac2b6e2c65 100644
--- a/linux-user/alpha/syscall_nr.h
+++ b/linux-user/alpha/syscall_nr.h
@@ -46,7 +46,7 @@
 #define TARGET_NR_open		 45
 #define TARGET_NR_osf_old_sigaction	 46	/* not implemented */
 #define TARGET_NR_getxgid		 47
-#define TARGET_NR_osf_sigprocmask	 48
+#define TARGET_NR_sigprocmask    48
 #define TARGET_NR_osf_getlogin	 49	/* not implemented */
 #define TARGET_NR_osf_setlogin	 50	/* not implemented */
 #define TARGET_NR_acct		 51
diff --git a/linux-user/main.c b/linux-user/main.c
index 25eaa11a1f..53714de0d4 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2846,13 +2846,11 @@ void cpu_loop(CPUAlphaState *env)
                     break;
                 }
                 /* Syscall writes 0 to V0 to bypass error check, similar
-                   to how this is handled internal to Linux kernel.  */
-                if (env->ir[IR_V0] == 0) {
-                    env->ir[IR_V0] = sysret;
-                } else {
-                    env->ir[IR_V0] = (sysret < 0 ? -sysret : sysret);
-                    env->ir[IR_A3] = (sysret < 0);
-                }
+                   to how this is handled internal to Linux kernel.
+                   (Ab)use trapnr temporarily as boolean indicating error.  */
+                trapnr = (env->ir[IR_V0] != 0 && sysret < 0);
+                env->ir[IR_V0] = (trapnr ? -sysret : sysret);
+                env->ir[IR_A3] = trapnr;
                 break;
             case 0x86:
                 /* IMB */
@@ -2921,6 +2919,9 @@ void cpu_loop(CPUAlphaState *env)
         case EXCP_STQ_C:
             do_store_exclusive(env, env->error_code, trapnr - EXCP_STL_C);
             break;
+        case EXCP_INTERRUPT:
+            /* Just indicate that signals should be handled asap.  */
+            break;
         default:
             printf ("Unhandled trap: 0x%x\n", trapnr);
             cpu_dump_state(env, stderr, fprintf, 0);
diff --git a/linux-user/mmap.c b/linux-user/mmap.c
index d9468fea90..b412e3fe0a 100644
--- a/linux-user/mmap.c
+++ b/linux-user/mmap.c
@@ -382,7 +382,6 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
                      int flags, int fd, abi_ulong offset)
 {
     abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
-    unsigned long host_start;
 
     mmap_lock();
 #ifdef DEBUG_MMAP
@@ -421,6 +420,19 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
     if (len == 0)
         goto the_end;
     real_start = start & qemu_host_page_mask;
+    host_offset = offset & qemu_host_page_mask;
+
+    /* If the user is asking for the kernel to find a location, do that
+       before we truncate the length for mapping files below.  */
+    if (!(flags & MAP_FIXED)) {
+        host_len = len + offset - host_offset;
+        host_len = HOST_PAGE_ALIGN(host_len);
+        start = mmap_find_vma(real_start, host_len);
+        if (start == (abi_ulong)-1) {
+            errno = ENOMEM;
+            goto fail;
+        }
+    }
 
     /* When mapping files into a memory area larger than the file, accesses
        to pages beyond the file size will cause a SIGBUS. 
@@ -453,27 +465,23 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
     }
 
     if (!(flags & MAP_FIXED)) {
-        abi_ulong mmap_start;
+        unsigned long host_start;
         void *p;
-        host_offset = offset & qemu_host_page_mask;
+
         host_len = len + offset - host_offset;
         host_len = HOST_PAGE_ALIGN(host_len);
-        mmap_start = mmap_find_vma(real_start, host_len);
-        if (mmap_start == (abi_ulong)-1) {
-            errno = ENOMEM;
-            goto fail;
-        }
+
         /* Note: we prefer to control the mapping address. It is
            especially important if qemu_host_page_size >
            qemu_real_host_page_size */
-        p = mmap(g2h(mmap_start),
-                 host_len, prot, flags | MAP_FIXED | MAP_ANONYMOUS, -1, 0);
+        p = mmap(g2h(start), host_len, prot,
+                 flags | MAP_FIXED | MAP_ANONYMOUS, -1, 0);
         if (p == MAP_FAILED)
             goto fail;
         /* update start so that it points to the file position at 'offset' */
         host_start = (unsigned long)p;
         if (!(flags & MAP_ANONYMOUS)) {
-            p = mmap(g2h(mmap_start), len, prot, 
+            p = mmap(g2h(start), len, prot,
                      flags | MAP_FIXED, fd, host_offset);
             host_start += offset - host_offset;
         }
diff --git a/linux-user/strace.c b/linux-user/strace.c
index 05a0d3e9d7..6ec90e8974 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -371,11 +371,21 @@ UNUSED static struct flags open_flags[] = {
     FLAG_TARGET(O_NOCTTY),
     FLAG_TARGET(O_NOFOLLOW),
     FLAG_TARGET(O_NONBLOCK),      /* also O_NDELAY */
-    FLAG_TARGET(O_SYNC),
+    FLAG_TARGET(O_DSYNC),
+    FLAG_TARGET(__O_SYNC),
     FLAG_TARGET(O_TRUNC),
 #ifdef O_DIRECT
     FLAG_TARGET(O_DIRECT),
 #endif
+#ifdef O_NOATIME
+    FLAG_TARGET(O_NOATIME),
+#endif
+#ifdef O_CLOEXEC
+    FLAG_TARGET(O_CLOEXEC),
+#endif
+#ifdef O_PATH
+    FLAG_TARGET(O_PATH),
+#endif
     FLAG_END,
 };
 
diff --git a/linux-user/strace.list b/linux-user/strace.list
index a7eeaef99f..af3c6a0cce 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -1527,3 +1527,6 @@
 #ifdef TARGET_NR_sync_file_range2
 { TARGET_NR_sync_file_range2, "sync_file_range2", NULL, NULL, NULL },
 #endif
+#ifdef TARGET_NR_pipe2
+{ TARGET_NR_pipe2, "pipe2", NULL, NULL, NULL },
+#endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 630a455276..3ba3ef5719 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -218,7 +218,6 @@ _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count)
 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
 _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
 #endif
-_syscall2(int, sys_getpriority, int, which, int, who);
 #if defined(TARGET_NR__llseek) && defined(__NR_llseek)
 _syscall5(int, _llseek,  uint,  fd, ulong, hi, ulong, lo,
           loff_t *, res, uint, wh);
@@ -261,14 +260,27 @@ static bitmask_transtbl fcntl_flags_tbl[] = {
   { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },
   { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },
   { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },
+  { TARGET_O_SYNC,      TARGET_O_DSYNC,     O_SYNC,      O_DSYNC,     },
   { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },
   { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },
   { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
   { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },
-  { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
 #if defined(O_DIRECT)
   { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
 #endif
+#if defined(O_NOATIME)
+  { TARGET_O_NOATIME,   TARGET_O_NOATIME,   O_NOATIME,   O_NOATIME    },
+#endif
+#if defined(O_CLOEXEC)
+  { TARGET_O_CLOEXEC,   TARGET_O_CLOEXEC,   O_CLOEXEC,   O_CLOEXEC    },
+#endif
+#if defined(O_PATH)
+  { TARGET_O_PATH,      TARGET_O_PATH,      O_PATH,      O_PATH       },
+#endif
+  /* Don't terminate the list prematurely on 64-bit host+guest.  */
+#if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0
+  { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
+#endif
   { 0, 0, 0, 0 }
 };
 
@@ -5582,7 +5594,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #ifdef TARGET_NR_pipe2
     case TARGET_NR_pipe2:
-        ret = do_pipe(cpu_env, arg1, arg2, 1);
+        ret = do_pipe(cpu_env, arg1,
+                      target_to_host_bitmask(arg2, fcntl_flags_tbl), 1);
         break;
 #endif
     case TARGET_NR_times:
@@ -5867,11 +5880,10 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             target_to_host_old_sigset(&set, &mask);
 
             ret = get_errno(sigprocmask(how, &set, &oldset));
-
             if (!is_error(ret)) {
                 host_to_target_old_sigset(&mask, &oldset);
                 ret = mask;
-                ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
+                ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
             }
 #else
             sigset_t set, oldset, *set_ptr;
@@ -6432,10 +6444,21 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #endif
     case TARGET_NR_getpriority:
-        /* libc does special remapping of the return value of
-         * sys_getpriority() so it's just easiest to call
-         * sys_getpriority() directly rather than through libc. */
-        ret = get_errno(sys_getpriority(arg1, arg2));
+        /* Note that negative values are valid for getpriority, so we must
+           differentiate based on errno settings.  */
+        errno = 0;
+        ret = getpriority(arg1, arg2);
+        if (ret == -1 && errno != 0) {
+            ret = -host_to_target_errno(errno);
+            break;
+        }
+#ifdef TARGET_ALPHA
+        /* Return value is the unbiased priority.  Signal no error.  */
+        ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
+#else
+        /* Return value is a biased priority to avoid negative numbers.  */
+        ret = 20 - ret;
+#endif
         break;
     case TARGET_NR_setpriority:
         ret = get_errno(setpriority(arg1, arg2, arg3));
@@ -7699,13 +7722,13 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         ret = -TARGET_EOPNOTSUPP;
         switch (arg1) {
           case TARGET_SSI_IEEE_FP_CONTROL:
-          case TARGET_SSI_IEEE_RAISE_EXCEPTION:
             {
                 uint64_t swcr, fpcr, orig_fpcr;
 
-                if (get_user_u64 (swcr, arg2))
+                if (get_user_u64 (swcr, arg2)) {
                     goto efault;
-                orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
+                }
+                orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
                 fpcr = orig_fpcr & FPCR_DYN_MASK;
 
                 /* Copied from linux ieee_swcr_to_fpcr.  */
@@ -7719,16 +7742,57 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
                 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
                 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
 
-                cpu_alpha_store_fpcr (cpu_env, fpcr);
+                cpu_alpha_store_fpcr(cpu_env, fpcr);
+                ret = 0;
+            }
+            break;
+
+          case TARGET_SSI_IEEE_RAISE_EXCEPTION:
+            {
+                uint64_t exc, fpcr, orig_fpcr;
+                int si_code;
+
+                if (get_user_u64(exc, arg2)) {
+                    goto efault;
+                }
+
+                orig_fpcr = cpu_alpha_load_fpcr(cpu_env);
+
+                /* We only add to the exception status here.  */
+                fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35);
+
+                cpu_alpha_store_fpcr(cpu_env, fpcr);
                 ret = 0;
 
-                if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
-                    /* Old exceptions are not signaled.  */
-                    fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
+                /* Old exceptions are not signaled.  */
+                fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
 
-                    /* If any exceptions set by this call, and are unmasked,
-                       send a signal.  */
-                    /* ??? FIXME */
+                /* If any exceptions set by this call,
+                   and are unmasked, send a signal.  */
+                si_code = 0;
+                if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) {
+                    si_code = TARGET_FPE_FLTRES;
+                }
+                if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) {
+                    si_code = TARGET_FPE_FLTUND;
+                }
+                if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) {
+                    si_code = TARGET_FPE_FLTOVF;
+                }
+                if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) {
+                    si_code = TARGET_FPE_FLTDIV;
+                }
+                if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) {
+                    si_code = TARGET_FPE_FLTINV;
+                }
+                if (si_code != 0) {
+                    target_siginfo_t info;
+                    info.si_signo = SIGFPE;
+                    info.si_errno = 0;
+                    info.si_code = si_code;
+                    info._sifields._sigfault._addr
+                        = ((CPUArchState *)cpu_env)->pc;
+                    queue_signal((CPUArchState *)cpu_env, info.si_signo, &info);
                 }
             }
             break;
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index cfece21b6d..ba9a58c814 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -371,7 +371,46 @@ int do_sigaction(int sig, const struct target_sigaction *act,
 #define TARGET_SA_RESTORER	0x04000000
 #endif
 
-#if defined(TARGET_SPARC)
+#if defined(TARGET_ALPHA)
+
+#define TARGET_SIGHUP            1
+#define TARGET_SIGINT            2
+#define TARGET_SIGQUIT           3
+#define TARGET_SIGILL            4
+#define TARGET_SIGTRAP           5
+#define TARGET_SIGABRT           6
+#define TARGET_SIGSTKFLT         7 /* actually SIGEMT */
+#define TARGET_SIGFPE            8
+#define TARGET_SIGKILL           9
+#define TARGET_SIGBUS           10
+#define TARGET_SIGSEGV          11
+#define TARGET_SIGSYS           12
+#define TARGET_SIGPIPE          13
+#define TARGET_SIGALRM          14
+#define TARGET_SIGTERM          15
+#define TARGET_SIGURG           16
+#define TARGET_SIGSTOP          17
+#define TARGET_SIGTSTP          18
+#define TARGET_SIGCONT          19
+#define TARGET_SIGCHLD          20
+#define TARGET_SIGTTIN          21
+#define TARGET_SIGTTOU          22
+#define TARGET_SIGIO            23
+#define TARGET_SIGXCPU          24
+#define TARGET_SIGXFSZ          25
+#define TARGET_SIGVTALRM        26
+#define TARGET_SIGPROF          27
+#define TARGET_SIGWINCH         28
+#define TARGET_SIGPWR           29 /* actually SIGINFO */
+#define TARGET_SIGUSR1          30
+#define TARGET_SIGUSR2          31
+#define TARGET_SIGRTMIN         32
+
+#define TARGET_SIG_BLOCK         1
+#define TARGET_SIG_UNBLOCK       2
+#define TARGET_SIG_SETMASK       3
+
+#elif defined(TARGET_SPARC)
 
 #define TARGET_SIGHUP		 1
 #define TARGET_SIGINT		 2
@@ -2007,135 +2046,125 @@ struct target_statfs64 {
 #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
-#define TARGET_O_WRONLY             01
-#define TARGET_O_RDWR               02
-#define TARGET_O_CREAT            0100 /* not fcntl */
-#define TARGET_O_EXCL             0200 /* not fcntl */
-#define TARGET_O_NOCTTY           0400 /* not fcntl */
-#define TARGET_O_TRUNC           01000 /* not fcntl */
-#define TARGET_O_APPEND          02000
-#define TARGET_O_NONBLOCK        04000
-#define TARGET_O_NDELAY        TARGET_O_NONBLOCK
-#define TARGET_O_SYNC           010000
-#define TARGET_FASYNC           020000 /* fcntl, for BSD compatibility */
+#if defined(TARGET_ALPHA)
+#define TARGET_O_NONBLOCK           04
+#define TARGET_O_APPEND            010
+#define TARGET_O_CREAT           01000 /* not fcntl */
+#define TARGET_O_TRUNC           02000 /* not fcntl */
+#define TARGET_O_EXCL            04000 /* not fcntl */
+#define TARGET_O_NOCTTY         010000 /* not fcntl */
+#define TARGET_O_DSYNC          040000
+#define TARGET_O_LARGEFILE           0 /* not necessary, always 64-bit */
+#define TARGET_O_DIRECTORY     0100000 /* must be a directory */
+#define TARGET_O_NOFOLLOW      0200000 /* don't follow links */
+#define TARGET_O_DIRECT       02000000 /* direct disk access hint */
+#define TARGET_O_NOATIME      04000000
+#define TARGET_O_CLOEXEC     010000000
+#define TARGET___O_SYNC      020000000
+#define TARGET_O_PATH        040000000
+#elif defined(TARGET_ARM) || defined(TARGET_M68K)
 #define TARGET_O_DIRECTORY      040000 /* must be a directory */
 #define TARGET_O_NOFOLLOW      0100000 /* don't follow links */
 #define TARGET_O_DIRECT        0200000 /* direct disk access hint */
 #define TARGET_O_LARGEFILE     0400000
+#elif defined(TARGET_MIPS)
+#define TARGET_O_APPEND         0x0008
+#define TARGET_O_DSYNC          0x0010
+#define TARGET_O_NONBLOCK       0x0080
+#define TARGET_O_CREAT          0x0100  /* not fcntl */
+#define TARGET_O_TRUNC          0x0200  /* not fcntl */
+#define TARGET_O_EXCL           0x0400  /* not fcntl */
+#define TARGET_O_NOCTTY         0x0800  /* not fcntl */
+#define TARGET_FASYNC           0x1000  /* fcntl, for BSD compatibility */
+#define TARGET_O_LARGEFILE      0x2000  /* allow large file opens */
+#define TARGET___O_SYNC         0x4000
+#define TARGET_O_DIRECT         0x8000  /* direct disk access hint */
 #elif defined (TARGET_PPC)
-#define TARGET_O_ACCMODE          0003
-#define TARGET_O_RDONLY             00
-#define TARGET_O_WRONLY             01
-#define TARGET_O_RDWR               02
-#define TARGET_O_CREAT            0100 /* not fcntl */
-#define TARGET_O_EXCL             0200 /* not fcntl */
-#define TARGET_O_NOCTTY           0400 /* not fcntl */
-#define TARGET_O_TRUNC           01000 /* not fcntl */
-#define TARGET_O_APPEND          02000
-#define TARGET_O_NONBLOCK        04000
-#define TARGET_O_NDELAY        TARGET_O_NONBLOCK
-#define TARGET_O_SYNC           010000
-#define TARGET_FASYNC           020000 /* fcntl, for BSD compatibility */
-#define TARGET_O_DIRECTORY      040000 /* must be a directory */
-#define TARGET_O_NOFOLLOW      0100000 /* don't follow links */
-#define TARGET_O_LARGEFILE     0200000
-#define TARGET_O_DIRECT        0400000 /* direct disk access hint */
-#elif defined (TARGET_MICROBLAZE)
-#define TARGET_O_ACCMODE          0003
-#define TARGET_O_RDONLY             00
-#define TARGET_O_WRONLY             01
-#define TARGET_O_RDWR               02
-#define TARGET_O_CREAT            0100 /* not fcntl */
-#define TARGET_O_EXCL             0200 /* not fcntl */
-#define TARGET_O_NOCTTY           0400 /* not fcntl */
-#define TARGET_O_TRUNC           01000 /* not fcntl */
-#define TARGET_O_APPEND          02000
-#define TARGET_O_NONBLOCK        04000
-#define TARGET_O_NDELAY        TARGET_O_NONBLOCK
-#define TARGET_O_SYNC           010000
-#define TARGET_FASYNC           020000 /* fcntl, for BSD compatibility */
 #define TARGET_O_DIRECTORY      040000 /* must be a directory */
 #define TARGET_O_NOFOLLOW      0100000 /* don't follow links */
 #define TARGET_O_LARGEFILE     0200000
 #define TARGET_O_DIRECT        0400000 /* direct disk access hint */
 #elif defined (TARGET_SPARC)
-#define TARGET_O_RDONLY        0x0000
-#define TARGET_O_WRONLY        0x0001
-#define TARGET_O_RDWR          0x0002
-#define TARGET_O_ACCMODE       0x0003
-#define TARGET_O_APPEND        0x0008
-#define TARGET_FASYNC          0x0040  /* fcntl, for BSD compatibility */
-#define TARGET_O_CREAT         0x0200  /* not fcntl */
-#define TARGET_O_TRUNC         0x0400  /* not fcntl */
-#define TARGET_O_EXCL          0x0800  /* not fcntl */
-#define TARGET_O_SYNC          0x2000
-#define TARGET_O_NONBLOCK      0x4000
-#define TARGET_O_NDELAY        (0x0004 | TARGET_O_NONBLOCK)
-#define TARGET_O_NOCTTY        0x8000  /* not fcntl */
-#define TARGET_O_DIRECTORY     0x10000 /* must be a directory */
-#define TARGET_O_NOFOLLOW      0x20000 /* don't follow links */
+#define TARGET_O_APPEND         0x0008
+#define TARGET_FASYNC           0x0040  /* fcntl, for BSD compatibility */
+#define TARGET_O_CREAT          0x0200  /* not fcntl */
+#define TARGET_O_TRUNC          0x0400  /* not fcntl */
+#define TARGET_O_EXCL           0x0800  /* not fcntl */
+#define TARGET_O_DSYNC          0x2000
+#define TARGET_O_NONBLOCK       0x4000
+# ifdef TARGET_SPARC64
+#  define TARGET_O_NDELAY       0x0004
+# else
+#  define TARGET_O_NDELAY       (0x0004 | TARGET_O_NONBLOCK)
+# endif
+#define TARGET_O_NOCTTY         0x8000  /* not fcntl */
 #define TARGET_O_LARGEFILE     0x40000
-#define TARGET_O_DIRECT        0x100000 /* direct disk access hint */
-#elif defined(TARGET_MIPS)
-#define TARGET_O_ACCMODE	0x0003
-#define TARGET_O_RDONLY	0x0000
-#define TARGET_O_WRONLY	0x0001
-#define TARGET_O_RDWR		0x0002
-#define TARGET_O_APPEND	0x0008
-#define TARGET_O_SYNC		0x0010
-#define TARGET_O_NONBLOCK	0x0080
-#define TARGET_O_CREAT         0x0100	/* not fcntl */
-#define TARGET_O_TRUNC		0x0200	/* not fcntl */
-#define TARGET_O_EXCL		0x0400	/* not fcntl */
-#define TARGET_O_NOCTTY	0x0800	/* not fcntl */
-#define TARGET_FASYNC		0x1000	/* fcntl, for BSD compatibility */
-#define TARGET_O_LARGEFILE	0x2000	/* allow large file opens */
-#define TARGET_O_DIRECT	0x8000	/* direct disk access hint */
-#define TARGET_O_DIRECTORY	0x10000	/* must be a directory */
-#define TARGET_O_NOFOLLOW	0x20000	/* don't follow links */
-#define TARGET_O_NOATIME	0x40000
-#define TARGET_O_NDELAY	TARGET_O_NONBLOCK
-#elif defined(TARGET_ALPHA)
-#define TARGET_O_ACCMODE	0x0003
-#define TARGET_O_RDONLY	0x0000
-#define TARGET_O_WRONLY	0x0001
-#define TARGET_O_RDWR		0x0002
-#define TARGET_O_APPEND	0x0008
-#define TARGET_O_SYNC		0x4000
-#define TARGET_O_NONBLOCK	0x0004
-#define TARGET_O_CREAT         0x0200	/* not fcntl */
-#define TARGET_O_TRUNC		0x0400	/* not fcntl */
-#define TARGET_O_EXCL		0x0800	/* not fcntl */
-#define TARGET_O_NOCTTY	0x1000	/* not fcntl */
-#define TARGET_FASYNC		0x2000	/* fcntl, for BSD compatibility */
-#define TARGET_O_LARGEFILE	0x0000	/* not necessary, always 64-bit */
-#define TARGET_O_DIRECT	0x80000	/* direct disk access hint */
-#define TARGET_O_DIRECTORY	0x8000	/* must be a directory */
-#define TARGET_O_NOFOLLOW	0x10000	/* don't follow links */
-#define TARGET_O_NOATIME	0x100000
-#define TARGET_O_NDELAY	TARGET_O_NONBLOCK
-#else
+#define TARGET_O_DIRECT       0x100000  /* direct disk access hint */
+#define TARGET_O_NOATIME      0x200000
+#define TARGET_O_CLOEXEC      0x400000
+#define TARGET___O_SYNC       0x800000
+#define TARGET_O_PATH        0x1000000
+#endif
+
+/* <asm-generic/fcntl.h> values follow.  */
 #define TARGET_O_ACCMODE          0003
 #define TARGET_O_RDONLY             00
 #define TARGET_O_WRONLY             01
 #define TARGET_O_RDWR               02
+#ifndef TARGET_O_CREAT
 #define TARGET_O_CREAT            0100 /* not fcntl */
+#endif
+#ifndef TARGET_O_EXCL
 #define TARGET_O_EXCL             0200 /* not fcntl */
+#endif
+#ifndef TARGET_O_NOCTTY
 #define TARGET_O_NOCTTY           0400 /* not fcntl */
+#endif
+#ifndef TARGET_O_TRUNC
 #define TARGET_O_TRUNC           01000 /* not fcntl */
+#endif
+#ifndef TARGET_O_APPEND
 #define TARGET_O_APPEND          02000
+#endif
+#ifndef TARGET_O_NONBLOCK
 #define TARGET_O_NONBLOCK        04000
-#define TARGET_O_NDELAY        TARGET_O_NONBLOCK
-#define TARGET_O_SYNC           010000
+#endif
+#ifndef TARGET_O_DSYNC
+#define TARGET_O_DSYNC          010000
+#endif
+#ifndef TARGET_FASYNC
 #define TARGET_FASYNC           020000 /* fcntl, for BSD compatibility */
+#endif
+#ifndef TARGET_O_DIRECT
 #define TARGET_O_DIRECT         040000 /* direct disk access hint */
+#endif
+#ifndef TARGET_O_LARGEFILE
 #define TARGET_O_LARGEFILE     0100000
+#endif
+#ifndef TARGET_O_DIRECTORY
 #define TARGET_O_DIRECTORY     0200000 /* must be a directory */
+#endif
+#ifndef TARGET_O_NOFOLLOW
 #define TARGET_O_NOFOLLOW      0400000 /* don't follow links */
 #endif
+#ifndef TARGET_O_NOATIME
+#define TARGET_O_NOATIME      01000000
+#endif
+#ifndef TARGET_O_CLOEXEC
+#define TARGET_O_CLOEXEC      02000000
+#endif
+#ifndef TARGET___O_SYNC
+#define TARGET___O_SYNC       04000000
+#endif
+#ifndef TARGET_O_PATH
+#define TARGET_O_PATH        010000000
+#endif
+#ifndef TARGET_O_NDELAY
+#define TARGET_O_NDELAY  TARGET_O_NONBLOCK
+#endif
+#ifndef TARGET_O_SYNC
+#define TARGET_O_SYNC    (TARGET___O_SYNC | TARGET_O_DSYNC)
+#endif
 
 struct target_flock {
 	short l_type;
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index 99f9ee168d..5689760cef 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -40,9 +40,20 @@
 
 #define TARGET_PAGE_BITS 13
 
+#ifdef CONFIG_USER_ONLY
+/* ??? The kernel likes to give addresses in high memory.  If the host has
+   more virtual address space than the guest, this can lead to impossible
+   allocations.  Honor the long-standing assumption that only kernel addrs
+   are negative, but otherwise allow allocations anywhere.  This could lead
+   to tricky emulation problems for programs doing tagged addressing, but
+   that's far fewer than encounter the impossible allocation problem.  */
+#define TARGET_PHYS_ADDR_SPACE_BITS  63
+#define TARGET_VIRT_ADDR_SPACE_BITS  63
+#else
 /* ??? EV4 has 34 phys addr bits, EV5 has 40, EV6 has 44.  */
-#define TARGET_PHYS_ADDR_SPACE_BITS	44
-#define TARGET_VIRT_ADDR_SPACE_BITS	(30 + TARGET_PAGE_BITS)
+#define TARGET_PHYS_ADDR_SPACE_BITS  44
+#define TARGET_VIRT_ADDR_SPACE_BITS  (30 + TARGET_PAGE_BITS)
+#endif
 
 /* Alpha major type */
 enum {