Author: tuexen Date: Sun Jan 14 09:51:25 2018 New Revision: 327961 URL: https://svnweb.freebsd.org/changeset/base/327961
Log: Mark the iovec parameters of writev() and readv() as IN and OUT. This makes truss work on readv() as expected. Modified: head/usr.bin/truss/syscalls.c Modified: head/usr.bin/truss/syscalls.c ============================================================================== --- head/usr.bin/truss/syscalls.c Sun Jan 14 09:33:44 2018 (r327960) +++ head/usr.bin/truss/syscalls.c Sun Jan 14 09:51:25 2018 (r327961) @@ -387,7 +387,7 @@ 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, @@ -523,7 +523,7 @@ 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-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"