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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:24:37 +0000 |
|---|---|---|
| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-09-24 09:24:37 +0000 |
| commit | 722183f69b1dc6c1c9f5f5c250622ca5a71cdb3e (patch) | |
| tree | 5d69939033795e0026a71924705bfa01e5f12083 /linux-user/syscall.c | |
| parent | 8170f56baf6b146653246b8cbf7298fd228cbc75 (diff) | |
| download | focaccia-qemu-722183f69b1dc6c1c9f5f5c250622ca5a71cdb3e.tar.gz focaccia-qemu-722183f69b1dc6c1c9f5f5c250622ca5a71cdb3e.zip | |
linux-user renameat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3222 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 9880549ec6..eb5a39adc2 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -146,6 +146,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ #define __NR_sys_mkdirat __NR_mkdirat #define __NR_sys_mknodat __NR_mknodat #define __NR_sys_openat __NR_openat +#define __NR_sys_renameat __NR_renameat #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo #define __NR_sys_syslog __NR_syslog #define __NR_sys_tgkill __NR_tgkill @@ -185,6 +186,10 @@ _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname, #if defined(TARGET_NR_openat) && defined(__NR_openat) _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode) #endif +#if defined(TARGET_NR_renameat) && defined(__NR_renameat) +_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, + int,newdirfd,const char *,newpath) +#endif _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) @@ -2830,6 +2835,28 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, unlock_user(p, arg1, 0); } break; +#if defined(TARGET_NR_renameat) && defined(__NR_renameat) + case TARGET_NR_renameat: + if (!arg2 || !arg4) { + ret = -EFAULT; + goto fail; + } + { + void *p2 = NULL; + p = lock_user_string(arg2); + p2 = lock_user_string(arg4); + if (!access_ok(VERIFY_READ, p, 1) + || !access_ok(VERIFY_READ, p2, 1)) + ret = -EFAULT; + else + ret = get_errno(sys_renameat(arg1, p, arg3, p2)); + if (p2) + unlock_user(p2, arg4, 0); + if (p) + unlock_user(p, arg2, 0); + } + break; +#endif case TARGET_NR_mkdir: p = lock_user_string(arg1); ret = get_errno(mkdir(p, arg2)); |