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authorPeter Maydell <peter.maydell@linaro.org>2017-10-12 16:30:45 +0100
committerRiku Voipio <riku.voipio@linaro.org>2017-10-17 22:24:02 +0300
commitf443e3960d9d3340dd286e5fc0b661bb165a8b22 (patch)
treedc426f1ddd2389f0716995c880cd562312a0889a /linux-user/syscall_defs.h
parent8423fa9010f2cadd50e8c21a20c62dc5b977704c (diff)
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linux-user: Fix TARGET_MTIOCTOP/MTIOCGET/MTIOCPOS values
The TARGET_MTIOCTOP/TARGET_MTIOCGET/TARGET_MTIOCPOS values were being defined in terms of host struct types, but these structures are such that their size might differ on different hosts. Switch to using a target struct definition instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/syscall_defs.h')
-rw-r--r--linux-user/syscall_defs.h31
1 files changed, 28 insertions, 3 deletions
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 447915c..e405d1d 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2712,9 +2712,34 @@ struct target_f_owner_ex {
#define TARGET_VFAT_IOCTL_READDIR_BOTH TARGET_IORU('r', 1)
#define TARGET_VFAT_IOCTL_READDIR_SHORT TARGET_IORU('r', 2)
-#define TARGET_MTIOCTOP TARGET_IOW('m', 1, struct mtop)
-#define TARGET_MTIOCGET TARGET_IOR('m', 2, struct mtget)
-#define TARGET_MTIOCPOS TARGET_IOR('m', 3, struct mtpos)
+struct target_mtop {
+ abi_short mt_op;
+ abi_int mt_count;
+};
+
+#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
+typedef abi_long target_kernel_daddr_t;
+#else
+typedef abi_int target_kernel_daddr_t;
+#endif
+
+struct target_mtget {
+ abi_long mt_type;
+ abi_long mt_resid;
+ abi_long mt_dsreg;
+ abi_long mt_gstat;
+ abi_long mt_erreg;
+ target_kernel_daddr_t mt_fileno;
+ target_kernel_daddr_t mt_blkno;
+};
+
+struct target_mtpos {
+ abi_long mt_blkno;
+};
+
+#define TARGET_MTIOCTOP TARGET_IOW('m', 1, struct target_mtop)
+#define TARGET_MTIOCGET TARGET_IOR('m', 2, struct target_mtget)
+#define TARGET_MTIOCPOS TARGET_IOR('m', 3, struct target_mtpos)
struct target_sysinfo {
abi_long uptime; /* Seconds since boot */