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bsd-user/bsd-file.h: Meat of the write system calls

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Implement write, writev, pwrite and pwritev and connect them to the
system call dispatch routine.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-01-31 16:34:03 -07:00
parent 80da1b0088
commit 770d8abae7
2 changed files with 106 additions and 0 deletions
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22
bsd-user/freebsd/os-syscall.c
View file

@ -50,6 +50,13 @@ safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt);
safe_syscall4(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt,
off_t, offset);
safe_syscall3(ssize_t, write, int, fd, void *, buf, size_t, nbytes);
safe_syscall4(ssize_t, pwrite, int, fd, void *, buf, size_t, nbytes, off_t,
offset);
safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt);
safe_syscall4(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt,
off_t, offset);
void target_set_brk(abi_ulong new_brk)
{
}
@ -226,6 +233,21 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
case TARGET_FREEBSD_NR_preadv: /* preadv(2) */
ret = do_bsd_preadv(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
case TARGET_FREEBSD_NR_write: /* write(2) */
ret = do_bsd_write(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_pwrite: /* pwrite(2) */
ret = do_bsd_pwrite(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
break;
case TARGET_FREEBSD_NR_writev: /* writev(2) */
ret = do_bsd_writev(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_pwritev: /* pwritev(2) */
ret = do_bsd_pwritev(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6);
break;
default: