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| author | Damir Shayhutdinov <damir@altlinux.ru> | 2011-05-12 16:57:40 +0400 |
|---|---|---|
| committer | Dmitry V. Levin <ldv@altlinux.org> | 2011-05-30 21:14:55 +0000 |
| commit | 3087dd678088754dddc0c801008e22ca2b7b9a37 (patch) | |
| tree | 020aaee565bf4d104eefcde4a75536e0181e7683 /io.c | |
| parent | 1201426dd43f5b4e12dfe520e2a9c5027d33dc11 (diff) | |
| download | strace-3087dd678088754dddc0c801008e22ca2b7b9a37.tar.gz strace-3087dd678088754dddc0c801008e22ca2b7b9a37.tar.bz2 strace-3087dd678088754dddc0c801008e22ca2b7b9a37.tar.xz | |
Linux: implement decoding of preadv and pwritev syscalls
* io.c [LINUX && HAVE_SYS_UIO_H] (sys_preadv, sys_pwritev): New functions.
* linux/syscall.h (sys_preadv, sys_pwritev): Declare them.
* linux/*/syscallent.h: Use them.
Signed-off-by: Damir Shayhutdinov <damir@altlinux.ru>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Diffstat (limited to 'io.c')
| -rw-r--r-- | io.c | 33 |
1 files changed, 33 insertions, 0 deletions
@@ -304,6 +304,39 @@ sys_pwrite(struct tcb *tcp) return 0; } +#if HAVE_SYS_UIO_H +int +sys_preadv(struct tcb *tcp) +{ + if (entering(tcp)) { + printfd(tcp, tcp->u_arg[0]); + tprintf(", "); + } else { + if (syserror(tcp)) { + tprintf("%#lx, %lu", tcp->u_arg[1], tcp->u_arg[2]); + return 0; + } + tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1]); + tprintf(", %lu, ", tcp->u_arg[2]); + printllval(tcp, "%llu", PREAD_OFFSET_ARG); + } + return 0; +} + +int +sys_pwritev(struct tcb *tcp) +{ + if (entering(tcp)) { + printfd(tcp, tcp->u_arg[0]); + tprintf(", "); + tprint_iov(tcp, tcp->u_arg[2], tcp->u_arg[1]); + tprintf(", %lu, ", tcp->u_arg[2]); + printllval(tcp, "%llu", PREAD_OFFSET_ARG); + } + return 0; +} +#endif /* HAVE_SYS_UIO_H */ + int sys_sendfile(struct tcb *tcp) { |