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bbc0f33b13
The yield system call has long existed, but never had a stub. Replace the hardcoded checks for it in libsys_h.lua and syscalls_map.lua and stop inserting it into MIASM (requiring libsys/Makefile.sys to disable the stub). (This seems like overkill, but I've got another case in CheriBSD so this reduces my diff appreciably.) Reviewed by: emaste Pull Request: https://github.com/freebsd/freebsd-src/pull/1503
73 lines
1.9 KiB
Lua
Executable file
73 lines
1.9 KiB
Lua
Executable file
#!/usr/libexec/flua
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--
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-- SPDX-License-Identifier: BSD-2-Clause
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--
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-- Copyright (c) 2024 SRI International
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-- Copyright (c) 2024 Tyler Baxter <agge@FreeBSD.org>
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-- Copyright (c) 2023 Warner Losh <imp@bsdimp.com>
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-- Copyright (c) 2019 Kyle Evans <kevans@FreeBSD.org>
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--
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-- Setup to be a module, or ran as its own script.
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local syscalls_map = {}
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local script = not pcall(debug.getlocal, 4, 1) -- TRUE if script.
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if script then
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-- Add library root to the package path.
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local path = arg[0]:gsub("/[^/]+.lua$", "")
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package.path = package.path .. ";" .. path .. "/../?.lua"
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end
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local FreeBSDSyscall = require("core.freebsd-syscall")
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local generator = require("tools.generator")
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-- File has not been decided yet; config will decide file. Default defined as
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-- /dev/null.
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syscalls_map.file = "/dev/null"
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function syscalls_map.generate(tbl, config, fh)
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-- Grab the master system calls table.
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local s = tbl.syscalls
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-- Bind the generator to the parameter file.
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local gen = generator:new({}, fh)
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-- Write the generated preamble.
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gen:preamble("FreeBSD system call symbols.")
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gen:write(string.format("FBSDprivate_1.0 {\n"))
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for _, v in pairs(s) do
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--print("num " .. v.num .. " name " .. v.name)
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if v:native() and not v.type.NODEF and not v.type.NOLIB then
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if v.name ~= "exit" and v.name ~= "vfork" then
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gen:write(string.format("\t_%s;\n", v.name))
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end
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gen:write(string.format("\t__sys_%s;\n", v.name))
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end
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end
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-- End
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gen:write("};\n")
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end
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-- Entry of script:
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if script then
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local config = require("config")
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if #arg < 1 or #arg > 2 then
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error("usage: " .. arg[0] .. " syscall.master")
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end
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local sysfile, configfile = arg[1], arg[2]
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config.merge(configfile)
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config.mergeCompat()
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-- The parsed syscall table.
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local tbl = FreeBSDSyscall:new{sysfile = sysfile, config = config}
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syscalls_map.file = config.libsysmap -- change file here
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syscalls_map.generate(tbl, config, syscalls_map.file)
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end
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-- Return the module.
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return syscalls_map
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