Author: tuexen Date: Sat Apr 7 20:56:07 2018 New Revision: 332242 URL: https://svnweb.freebsd.org/changeset/base/332242
Log: MFC r327961: Mark the iovec parameters of writev() and readv() as IN and OUT. This makes truss work on readv() as expected. Modified: stable/11/usr.bin/truss/syscalls.c Directory Properties: stable/11/ (props changed) Modified: stable/11/usr.bin/truss/syscalls.c ============================================================================== --- stable/11/usr.bin/truss/syscalls.c Sat Apr 7 20:54:37 2018 (r332241) +++ stable/11/usr.bin/truss/syscalls.c Sat Apr 7 20:56:07 2018 (r332242) @@ -371,7 +371,7 @@ static struct syscall decoded_syscalls[] = { { .name = "read", .ret_type = 1, .nargs = 3, .args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } }, { .name = "readv", .ret_type = 1, .nargs = 3, - .args = { { Int, 0 }, { Iovec, 1 }, { Int, 2 } } }, + .args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } }, { .name = "readlink", .ret_type = 1, .nargs = 3, .args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } }, { .name = "readlinkat", .ret_type = 1, .nargs = 4, @@ -507,7 +507,7 @@ static struct syscall decoded_syscalls[] = { { .name = "write", .ret_type = 1, .nargs = 3, .args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } }, { .name = "writev", .ret_type = 1, .nargs = 3, - .args = { { Int, 0 }, { Iovec, 1 }, { Int, 2 } } }, + .args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } }, /* Linux ABI */ { .name = "linux_access", .ret_type = 1, .nargs = 2, _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"