diff options
author | Warner Losh <imp@bsdimp.com> | 2022-01-31 16:10:10 -0700 |
---|---|---|
committer | Warner Losh <imp@bsdimp.com> | 2022-06-10 22:00:48 -0600 |
commit | 80da1b00886782520286e26f39ce8e21c1855072 (patch) | |
tree | 73ba828c84f904425a166ae7c1c243914b7e8fc6 /bsd-user/freebsd | |
parent | db69788703c5fdc590c96815c0eeeebc6a32d3e7 (diff) |
bsd-user/bsd-file.h: Add implementations for read, pread, readv and preadv
Implement do_bsd_{read,pread,readv,preadv}. Connect them to the system
call table.
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>
Diffstat (limited to 'bsd-user/freebsd')
-rw-r--r-- | bsd-user/freebsd/os-syscall.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index 1c4c9983f1..8ca92f2985 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -42,6 +42,14 @@ #include "bsd-file.h" +/* I/O */ +safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); +safe_syscall4(ssize_t, pread, int, fd, void *, buf, size_t, nbytes, off_t, + offset); +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); + void target_set_brk(abi_ulong new_brk) { } @@ -200,6 +208,26 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, abi_long ret; switch (num) { + + /* + * File system calls. + */ + case TARGET_FREEBSD_NR_read: /* read(2) */ + ret = do_bsd_read(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_pread: /* pread(2) */ + ret = do_bsd_pread(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); + break; + + case TARGET_FREEBSD_NR_readv: /* readv(2) */ + ret = do_bsd_readv(arg1, arg2, arg3); + break; + + case TARGET_FREEBSD_NR_preadv: /* preadv(2) */ + ret = do_bsd_preadv(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); + break; + default: qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); ret = -TARGET_ENOSYS; |