Author: emaste Date: Tue Jan 30 18:29:38 2018 New Revision: 328598 URL: https://svnweb.freebsd.org/changeset/base/328598
Log: makesyscalls: permit a range of syscall numbers for UNIMPL Some ABIs have large gaps in syscall numbers. Allow gaps to be filled as ranges of UNIMPL, with an entry like: 248-1023 AUE_NULL UNIMPL unimplemented Reviewed by: jhb, gnn Sponsored by: Turing Robotic Industries Inc. Differential Revision: https://reviews.freebsd.org/D14122 Modified: head/sys/kern/makesyscalls.sh Modified: head/sys/kern/makesyscalls.sh ============================================================================== --- head/sys/kern/makesyscalls.sh Tue Jan 30 17:20:28 2018 (r328597) +++ head/sys/kern/makesyscalls.sh Tue Jan 30 18:29:38 2018 (r328598) @@ -254,13 +254,6 @@ sed -e ' print > systraceret next } - syscall != $1 { - printf "%s: line %d: syscall number out of sync at %d\n", - infile, NR, syscall - printf "line is:\n" - print - exit 1 - } # Returns true if the type "name" is the first flag in the type field function type(name, flags, n) { n = split($3, flags, /\|/) @@ -274,6 +267,29 @@ sed -e ' return 1 return 0 } + { + n = split($1, syscall_range, /-/) + if (n == 1) { + syscall_range[2] = syscall_range[1] + } else if (n == 2) { + if (!type("UNIMPL")) { + printf "%s: line %d: range permitted only with UNIMPL\n", + infile, NR + exit 1 + } + } else { + printf "%s: line %d: invalid syscall number or range %s\n", + infile, NR, $1 + exit 1 + } + } + syscall != syscall_range[1] { + printf "%s: line %d: syscall number out of sync at %d\n", + infile, NR, syscall + printf "line is:\n" + print + exit 1 + } function align_sysent_comment(column) { printf("\t") > sysent column = column + 8 - column % 8 @@ -614,11 +630,13 @@ sed -e ' next } type("UNIMPL") { - printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n", - syscall, comment) > sysent - printf("\t\"#%d\",\t\t\t/* %d = %s */\n", - syscall, syscall, comment) > sysnames - syscall++ + while (syscall <= syscall_range[2]) { + printf("\t{ 0, (sy_call_t *)nosys, AUE_NULL, NULL, 0, 0, 0, SY_THR_ABSENT },\t\t\t/* %d = %s */\n", + syscall, comment) > sysent + printf("\t\"#%d\",\t\t\t/* %d = %s */\n", + syscall, syscall, comment) > sysnames + syscall++ + } next } { _______________________________________________ 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"
