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fcntl flags convertion (Jocelyn Mayer)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@538 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-01-04 23:57:22 +00:00
parent 2d603d2216
commit ffa65c3b70
2 changed files with 86 additions and 1 deletions
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35
linux-user/syscall.c
View file

@ -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:
{

52
linux-user/syscall_defs.h
View file

@ -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
@ -435,6 +442,13 @@ typedef struct target_siginfo {
#define TARGET_SEGV_MAPERR (1) /* address not mapped to object */
#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
*/
@ -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;