diff options
| author | Thomas Weißschuh <thomas@t-8ch.de> | 2023-04-24 17:34:29 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2023-05-17 07:20:29 +0200 |
| commit | 7f696cddd9d7bbde0ecc489eb9a29c7196b29727 (patch) | |
| tree | e69b7b075f65be9183b3a13f7b5be9491c264aa8 /linux-user/syscall.c | |
| parent | 4b2d2753e88bdb25db5eab84c172135200f15c99 (diff) | |
| download | focaccia-qemu-7f696cddd9d7bbde0ecc489eb9a29c7196b29727.tar.gz focaccia-qemu-7f696cddd9d7bbde0ecc489eb9a29c7196b29727.zip | |
linux-user: Add open_tree() syscall
Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230424153429.276788-2-thomas@t-8ch.de>
[lv: move declaration at the beginning of the block,
define syscall]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 9a99e45573..00a779797e 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8776,6 +8776,12 @@ static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) _syscall2(int, pivot_root, const char *, new_root, const char *, put_old) #endif +#if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) +#define __NR_sys_open_tree __NR_open_tree +_syscall3(int, sys_open_tree, int, __dfd, const char *, __filename, + unsigned int, __flags) +#endif + #if defined(TARGET_NR_move_mount) && defined(__NR_move_mount) #define __NR_sys_move_mount __NR_move_mount _syscall5(int, sys_move_mount, int, __from_dfd, const char *, __from_pathname, @@ -9202,6 +9208,33 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1, return ret; } #endif +#if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) + case TARGET_NR_open_tree: + { + void *p2; + int host_flags; + + if (!arg2) { + return -TARGET_EFAULT; + } + + p2 = lock_user_string(arg2); + if (!p2) { + return -TARGET_EFAULT; + } + + host_flags = arg3 & ~TARGET_O_CLOEXEC; + if (arg3 & TARGET_O_CLOEXEC) { + host_flags |= O_CLOEXEC; + } + + ret = get_errno(sys_open_tree(arg1, p2, host_flags)); + + unlock_user(p2, arg2, 0); + + return ret; + } +#endif #ifdef TARGET_NR_stime /* not on alpha */ case TARGET_NR_stime: { |