Commit f0b6243d5d7c18efbfcc7e477ffb9b8f523e2fef
1 parent
64f0ce4c
linux-user symlinkat() syscall, by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3224 c046a42c-6fe2-441c-8c8c-71466251a162
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linux-user/syscall.c
| @@ -149,6 +149,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ | @@ -149,6 +149,7 @@ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ | ||
| 149 | #define __NR_sys_openat __NR_openat | 149 | #define __NR_sys_openat __NR_openat |
| 150 | #define __NR_sys_renameat __NR_renameat | 150 | #define __NR_sys_renameat __NR_renameat |
| 151 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo | 151 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
| 152 | +#define __NR_sys_symlinkat __NR_symlinkat | ||
| 152 | #define __NR_sys_syslog __NR_syslog | 153 | #define __NR_sys_syslog __NR_syslog |
| 153 | #define __NR_sys_tgkill __NR_tgkill | 154 | #define __NR_sys_tgkill __NR_tgkill |
| 154 | #define __NR_sys_tkill __NR_tkill | 155 | #define __NR_sys_tkill __NR_tkill |
| @@ -196,6 +197,10 @@ _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, | @@ -196,6 +197,10 @@ _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath, | ||
| 196 | int,newdirfd,const char *,newpath) | 197 | int,newdirfd,const char *,newpath) |
| 197 | #endif | 198 | #endif |
| 198 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | 199 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) |
| 200 | +#ifdef TARGET_NR_symlinkat | ||
| 201 | +_syscall3(int,sys_symlinkat,const char *,oldpath, | ||
| 202 | + int,newdirfd,const char *,newpath) | ||
| 203 | +#endif | ||
| 199 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | 204 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
| 200 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) | 205 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
| 201 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) | 206 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) |
| @@ -3361,6 +3366,28 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, | @@ -3361,6 +3366,28 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3, | ||
| 3361 | unlock_user(p, arg1, 0); | 3366 | unlock_user(p, arg1, 0); |
| 3362 | } | 3367 | } |
| 3363 | break; | 3368 | break; |
| 3369 | +#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat) | ||
| 3370 | + case TARGET_NR_symlinkat: | ||
| 3371 | + if (!arg1 || !arg3) { | ||
| 3372 | + ret = -EFAULT; | ||
| 3373 | + goto fail; | ||
| 3374 | + } | ||
| 3375 | + { | ||
| 3376 | + void *p2 = NULL; | ||
| 3377 | + p = lock_user_string(arg1); | ||
| 3378 | + p2 = lock_user_string(arg3); | ||
| 3379 | + if (!access_ok(VERIFY_READ, p, 1) | ||
| 3380 | + || !access_ok(VERIFY_READ, p2, 1)) | ||
| 3381 | + ret = -EFAULT; | ||
| 3382 | + else | ||
| 3383 | + ret = get_errno(sys_symlinkat(p, arg2, p2)); | ||
| 3384 | + if (p2) | ||
| 3385 | + unlock_user(p2, arg3, 0); | ||
| 3386 | + if (p) | ||
| 3387 | + unlock_user(p, arg1, 0); | ||
| 3388 | + } | ||
| 3389 | + break; | ||
| 3390 | +#endif | ||
| 3364 | #ifdef TARGET_NR_oldlstat | 3391 | #ifdef TARGET_NR_oldlstat |
| 3365 | case TARGET_NR_oldlstat: | 3392 | case TARGET_NR_oldlstat: |
| 3366 | goto unimplemented; | 3393 | goto unimplemented; |