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| author | Colin Schmidt <colins@eecs.berkeley.edu> | 2016-01-18 23:16:24 -0800 |
|---|---|---|
| committer | Colin Schmidt <colins@eecs.berkeley.edu> | 2016-01-18 23:17:07 -0800 |
| commit | 676c953b798e33022a8a63a55f2c65af43442cb4 (patch) | |
| tree | d91a472d4ee45ae91881891c093a6c7503a9b6cd | |
| parent | 85ae17aa149b9ea114bdd70cc30ea7e73813fb48 (diff) | |
| download | riscv-pk-676c953b798e33022a8a63a55f2c65af43442cb4.zip riscv-pk-676c953b798e33022a8a63a55f2c65af43442cb4.tar.gz riscv-pk-676c953b798e33022a8a63a55f2c65af43442cb4.tar.bz2 | |
add renameat syscall
| -rw-r--r-- | pk/syscall.c | 13 | ||||
| -rw-r--r-- | pk/syscall.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/pk/syscall.c b/pk/syscall.c index 2d96282..87b77ee 100644 --- a/pk/syscall.c +++ b/pk/syscall.c @@ -137,6 +137,18 @@ int sys_close(int fd) return ret; } +int sys_renameat(int old_fd, const char *old_path, int new_fd, const char *new_path) { + int old_kfd = at_kfd(old_fd); + int new_kfd = at_kfd(new_fd); + if(old_kfd != -1 && new_kfd != -1) { + size_t old_size = strlen(old_path)+1; + size_t new_size = strlen(new_path)+1; + return frontend_syscall(SYS_renameat, old_kfd, (uintptr_t)old_path, old_size, + new_kfd, (uintptr_t)new_path, new_size, 0); + } + return -EBADF; +} + int sys_fstat(int fd, void* st) { int r = -EBADF; @@ -442,6 +454,7 @@ long do_syscall(long a0, long a1, long a2, long a3, long a4, long a5, unsigned l [SYS_linkat] = sys_linkat, [SYS_unlinkat] = sys_unlinkat, [SYS_mkdirat] = sys_mkdirat, + [SYS_renameat] = sys_renameat, [SYS_getcwd] = sys_getcwd, [SYS_brk] = sys_brk, [SYS_uname] = sys_uname, diff --git a/pk/syscall.h b/pk/syscall.h index bed30e9..c1f3d8a 100644 --- a/pk/syscall.h +++ b/pk/syscall.h @@ -16,6 +16,7 @@ #define SYS_linkat 37 #define SYS_unlinkat 35 #define SYS_mkdirat 34 +#define SYS_renameat 38 #define SYS_chdir 49 #define SYS_getcwd 17 #define SYS_fstat 80 |