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[Qemu-devel] [PATCH v7 41/74] linux-user: Split out mkdir, mkdirat
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v7 41/74] linux-user: Split out mkdir, mkdirat |
Date: |
Sun, 19 May 2019 13:36:53 -0700 |
Note that mkdirat is universally available.
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/syscall-defs.h | 4 ++++
linux-user/strace.c | 27 ---------------------------
linux-user/syscall-file.inc.c | 25 +++++++++++++++++++++++++
linux-user/syscall.c | 16 ----------------
linux-user/strace.list | 6 ------
5 files changed, 29 insertions(+), 49 deletions(-)
diff --git a/linux-user/syscall-defs.h b/linux-user/syscall-defs.h
index 0ed01aa100..8b6d8f75ff 100644
--- a/linux-user/syscall-defs.h
+++ b/linux-user/syscall-defs.h
@@ -69,6 +69,10 @@ SYSCALL_DEF(lseek, ARG_DEC, ARG_DEC, ARG_LSEEKWHENCE);
#ifdef TARGET_NR_llseek
SYSCALL_DEF_ARGS(llseek, ARG_DEC, ARG_DEC, ARG_PTR, ARG_LSEEKWHENCE);
#endif
+#ifdef TARGET_NR_mkdir
+SYSCALL_DEF(mkdir, ARG_STR, ARG_MODEFLAG);
+#endif
+SYSCALL_DEF(mkdirat, ARG_ATDIRFD, ARG_STR, ARG_MODEFLAG);
#ifdef TARGET_NR_mknod
SYSCALL_DEF(mknod, ARG_STR, ARG_MODEFLAG, ARG_HEX);
#endif
diff --git a/linux-user/strace.c b/linux-user/strace.c
index 8f871b30ae..2b31998dbd 100644
--- a/linux-user/strace.c
+++ b/linux-user/strace.c
@@ -1676,33 +1676,6 @@ print_fstat(const struct syscallname *name,
#define print_fstat64 print_fstat
#endif
-#ifdef TARGET_NR_mkdir
-static void
-print_mkdir(const struct syscallname *name,
- abi_long arg0, abi_long arg1, abi_long arg2,
- abi_long arg3, abi_long arg4, abi_long arg5)
-{
- print_syscall_prologue(name);
- print_string(arg0, 0);
- print_file_mode(arg1, 1);
- print_syscall_epilogue(name);
-}
-#endif
-
-#ifdef TARGET_NR_mkdirat
-static void
-print_mkdirat(const struct syscallname *name,
- abi_long arg0, abi_long arg1, abi_long arg2,
- abi_long arg3, abi_long arg4, abi_long arg5)
-{
- print_syscall_prologue(name);
- print_at_dirfd(arg0, 0);
- print_string(arg1, 0);
- print_file_mode(arg2, 1);
- print_syscall_epilogue(name);
-}
-#endif
-
#ifdef TARGET_NR_rt_sigaction
static void
print_rt_sigaction(const struct syscallname *name,
diff --git a/linux-user/syscall-file.inc.c b/linux-user/syscall-file.inc.c
index 18553f055e..5ed8b78c79 100644
--- a/linux-user/syscall-file.inc.c
+++ b/linux-user/syscall-file.inc.c
@@ -205,6 +205,31 @@ SYSCALL_IMPL(llseek)
}
#endif
+static abi_long do_mkdirat(int dirfd, abi_ulong target_path, mode_t mode)
+{
+ char *p = lock_user_string(target_path);
+ abi_long ret;
+
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(mkdirat(dirfd, p, mode));
+ unlock_user(p, target_path, 0);
+ return ret;
+}
+
+#ifdef TARGET_NR_mkdir
+SYSCALL_IMPL(mkdir)
+{
+ return do_mkdirat(AT_FDCWD, arg1, arg2);
+}
+#endif
+
+SYSCALL_IMPL(mkdirat)
+{
+ return do_mkdirat(arg1, arg2, arg3);
+}
+
static abi_long do_mknodat(int dirfd, abi_ulong target_path,
mode_t mode, dev_t dev)
{
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index d8f6da63cc..0d6a9b7a6c 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5373,22 +5373,6 @@ static abi_long do_syscall1(void *cpu_env, int num,
abi_long arg1,
void *p;
switch(num) {
-#ifdef TARGET_NR_mkdir
- case TARGET_NR_mkdir:
- if (!(p = lock_user_string(arg1)))
- return -TARGET_EFAULT;
- ret = get_errno(mkdir(p, arg2));
- unlock_user(p, arg1, 0);
- return ret;
-#endif
-#if defined(TARGET_NR_mkdirat)
- case TARGET_NR_mkdirat:
- if (!(p = lock_user_string(arg2)))
- return -TARGET_EFAULT;
- ret = get_errno(mkdirat(arg1, p, arg3));
- unlock_user(p, arg2, 0);
- return ret;
-#endif
case TARGET_NR_dup:
ret = get_errno(dup(arg1));
if (ret >= 0) {
diff --git a/linux-user/strace.list b/linux-user/strace.list
index 3b002a0500..cdbc59bffd 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -473,12 +473,6 @@
#ifdef TARGET_NR_mincore
{ TARGET_NR_mincore, "mincore" , NULL, NULL, NULL },
#endif
-#ifdef TARGET_NR_mkdir
-{ TARGET_NR_mkdir, "mkdir" , NULL, print_mkdir, NULL },
-#endif
-#ifdef TARGET_NR_mkdirat
-{ TARGET_NR_mkdirat, "mkdirat" , NULL, print_mkdirat, NULL },
-#endif
#ifdef TARGET_NR_modify_ldt
{ TARGET_NR_modify_ldt, "modify_ldt" , NULL, NULL, NULL },
#endif
--
2.17.1
- [Qemu-devel] [PATCH v7 32/74] linux-user: Split out umount, umount2, (continued)
- [Qemu-devel] [PATCH v7 32/74] linux-user: Split out umount, umount2, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 29/74] linux-user: Split out lseek, llseek, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 31/74] linux-user: Split out mount, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 34/74] linux-user: Split out alarm, pause, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 35/74] linux-user: Split out utime, utimes, futimesat, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 36/74] linux-user: Split out access, faccessat, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 37/74] linux-user: Split out nice, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 38/74] linux-user: Split out sync, syncfs, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 42/74] linux-user: Split out dup, dup2, dup3, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 40/74] linux-user: Split out rename, renameat, renameat2, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 41/74] linux-user: Split out mkdir, mkdirat,
Richard Henderson <=
- [Qemu-devel] [PATCH v7 45/74] linux-user: Split out acct, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 39/74] linux-user: Split out kill, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 46/74] linux-user: Move syscall_init to the end, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 44/74] linux-user: Split out times, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 43/74] linux-user: Split out pipe, pipe2, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 48/74] linux-user: Fix types in ioctl logging, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 49/74] linux-user: Remove sentinel from ioctl_entries, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 51/74] linux-user: Split out setpgid, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 50/74] linux-user: Split out fcntl, fcntl64, Richard Henderson, 2019/05/19
- [Qemu-devel] [PATCH v7 53/74] linux-user: Split out chroot, Richard Henderson, 2019/05/19