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Index: head/sys/tools/makesyscalls.lua
===================================================================
--- head/sys/tools/makesyscalls.lua
+++ head/sys/tools/makesyscalls.lua
@@ -35,7 +35,8 @@
local lfs = require("lfs")
local unistd = require("posix.unistd")
-local maxsyscall = 0
+local savesyscall = -1
+local maxsyscall = -1
local generated_tag = "@" .. "generated"
-- Default configuration; any of these may get replaced by a configuration file
@@ -442,6 +443,11 @@
dump_prevline = true,
pattern = "^#",
process = function(line)
+ if line:find("^#%s*if") then
+ savesyscall = maxsyscall
+ elseif line:find("^#%s*else") then
+ maxsyscall = savesyscall
+ end
line = line .. "\n"
write_line('sysent', line)
write_line('sysdcl', line)
@@ -916,6 +922,16 @@
sysnum = nil
sysstart = tonumber(sysstart)
sysend = tonumber(sysend)
+ if sysstart ~= maxsyscall + 1 then
+ abort(1, "syscall number out of sync, missing " ..
+ maxsyscall + 1)
+ end
+ else
+ sysnum = tonumber(sysnum)
+ if sysnum ~= maxsyscall + 1 then
+ abort(1, "syscall number out of sync, missing " ..
+ maxsyscall + 1)
+ end
end
-- Split flags
@@ -1093,15 +1109,14 @@
handle_obsol(sysnum, funcname, funcomment)
elseif flags & known_flags["UNIMPL"] ~= 0 then
handle_unimpl(sysnum, sysstart, sysend, funcomment)
- if sysend ~= nil and sysend > maxsyscall then
- maxsyscall = sysend
- end
else
abort(1, "Bad flags? " .. line)
end
- if sysnum ~= nil and tonumber(sysnum) > maxsyscall then
- maxsyscall = tonumber(sysnum)
+ if sysend ~= nil then
+ maxsyscall = sysend
+ elseif sysnum ~= nil then
+ maxsyscall = sysnum
end
end

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