fcntl flags convertion (Jocelyn Mayer)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@538 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 86 insertions, 1 deletions

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index abd5ce4e90..52e1c6b533 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1130,6 +1130,24 @@ static bitmask_transtbl mmap_flags_tbl[] = {
 	{ 0, 0, 0, 0 }
 };
 
+static bitmask_transtbl fcntl_flags_tbl[] = {
+	{ TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },
+	{ TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },
+	{ TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },
+	{ TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },
+	{ TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },
+	{ 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_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, },
+	{ TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },
+	{ 0, 0, 0, 0 }
+};
+
 #if defined(TARGET_I386)
 
 /* NOTE: there is really one LDT for all the threads */
@@ -1353,6 +1371,15 @@ static long do_fcntl(int fd, int cmd, unsigned long arg)
         errno = EINVAL;
         break;
 
+    case F_GETFL:
+        ret = fcntl(fd, cmd, arg);
+        ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
+        break;
+
+    case F_SETFL:
+        ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
+        break;
+
     default:
         ret = fcntl(fd, cmd, arg);
         break;
@@ -1464,7 +1491,9 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
         ret = get_errno(write(arg1, (void *)arg2, arg3));
         break;
     case TARGET_NR_open:
-        ret = get_errno(open(path((const char *)arg1), arg2, arg3));
+        ret = get_errno(open(path((const char *)arg1),
+                             target_to_host_bitmask(arg2, fcntl_flags_tbl),
+                             arg3));
         break;
     case TARGET_NR_close:
         ret = get_errno(close(arg1));
@@ -2750,10 +2779,14 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
 
     case TARGET_NR_pivot_root:
         goto unimplemented;
+#ifdef TARGET_NR_mincore
     case TARGET_NR_mincore:
         goto unimplemented;
+#endif
+#ifdef TARGET_NR_madvise
     case TARGET_NR_madvise:
         goto unimplemented;
+#endif
 #if TARGET_LONG_BITS == 32
     case TARGET_NR_fcntl64:
     {
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index a0a04aab32..4e36a222d6 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -414,7 +414,14 @@ typedef struct target_siginfo {
 /*
  * SIGILL si_codes
  */
+#define TARGET_ILL_ILLOPC	(1)	/* illegal opcode */
 #define TARGET_ILL_ILLOPN	(2)	/* illegal operand */
+#define TARGET_ILL_ILLADR	(3)	/* illegal addressing mode */
+#define TARGET_ILL_ILLTRP	(4)	/* illegal trap */
+#define TARGET_ILL_PRVOPC	(5)	/* privileged opcode */
+#define TARGET_ILL_PRVREG	(6)	/* privileged register */
+#define TARGET_ILL_COPROC	(7)	/* coprocessor error */
+#define TARGET_ILL_BADSTK	(8)	/* internal stack error */
 
 /*
  * SIGFPE si_codes
@@ -436,6 +443,13 @@ typedef struct target_siginfo {
 #define TARGET_SEGV_ACCERR     (2)  /* invalid permissions for mapped object */
 
 /*
+ * SIGBUS si_codes
+ */
+#define TARGET_BUS_ADRALN       (1)	/* invalid address alignment */
+#define TARGET_BUS_ADRERR       (2)	/* non-existant physical address */
+#define TARGET_BUS_OBJERR       (3)	/* object specific hardware error */
+
+/*
  * SIGTRAP si_codes
  */
 #define TARGET_TRAP_BRKPT	(1)	/* process breakpoint */
@@ -891,6 +905,44 @@ struct target_stat64 {
 #define TARGET_F_SETLK64       13
 #define TARGET_F_SETLKW64      14
 
+#if 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        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 */
+#else
+#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        O_NONBLOCK
+#define TARGET_O_SYNC           010000
+#define TARGET_FASYNC           020000 /* fcntl, for BSD compatibility */
+#define TARGET_O_DIRECT         040000 /* direct disk access hint */
+#define TARGET_O_LARGEFILE     0100000
+#define TARGET_O_DIRECTORY     0200000 /* must be a directory */
+#define TARGET_O_NOFOLLOW      0400000 /* don't follow links */
+#endif
+
 struct target_flock {
 	short l_type;
 	short l_whence;