coding guidelines: comply with MISRA C:2012 Rule 8.3 (7b6cdcbe) · Commits · Wenxi XU / zephyr

scripts/gen_syscalls.py

+11 −8

Original line number	Diff line number	Diff line
		@@ -113,13 +113,13 @@ extern "C" {

		handler_template = """
		extern uintptr_t z_hdlr_%s(uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
		uintptr_t arg4, uintptr_t arg5, uintptr_t arg6, void *ssf);
		uintptr_t arg4, uintptr_t arg5, uintptr_t %s, void *ssf);
		"""

		weak_template = """
		__weak ALIAS_OF(handler_no_syscall)
		uintptr_t %s(uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
		uintptr_t arg4, uintptr_t arg5, uintptr_t arg6, void *ssf);
		uintptr_t arg4, uintptr_t arg5, uintptr_t %s, void *ssf);
		"""


		@@ -316,7 +316,7 @@ def marshall_defs(func_name, func_type, args):

		mrsh += "}\n"

		return mrsh, mrsh_name
		return mrsh, mrsh_name, nmrsh

		def analyze_fn(match_group):
		func, args = match_group
		@@ -335,13 +335,13 @@ def analyze_fn(match_group):
		sys_id = "K_SYSCALL_" + func_name.upper()

		marshaller = None
		marshaller, handler = marshall_defs(func_name, func_type, args)
		marshaller, handler, nmrsh = marshall_defs(func_name, func_type, args)
		invocation = wrapper_defs(func_name, func_type, args)

		# Entry in _k_syscall_table
		table_entry = "[%s] = %s" % (sys_id, handler)

		return (handler, invocation, marshaller, sys_id, table_entry)
		return (handler, invocation, marshaller, sys_id, table_entry, nmrsh)

		def parse_args():
		global args
		@@ -380,9 +380,10 @@ def main():
		ids = []
		table_entries = []
		handlers = []
		arg_numbers = []

		for match_group, fn in syscalls:
		handler, inv, mrsh, sys_id, entry = analyze_fn(match_group)
		handler, inv, mrsh, sys_id, entry, nmrsh = analyze_fn(match_group)

		if fn not in invocations:
		invocations[fn] = []
		@@ -391,6 +392,7 @@ def main():
		ids.append(sys_id)
		table_entries.append(entry)
		handlers.append(handler)
		arg_numbers.append(nmrsh)

		if mrsh:
		syscall = typename_split(match_group[0])[1]
		@@ -400,8 +402,9 @@ def main():
		with open(args.syscall_dispatch, "w") as fp:
		table_entries.append("[K_SYSCALL_BAD] = handler_bad_syscall")

		weak_defines = "".join([weak_template % name
		for name in handlers
		weak_defines = "".join([weak_template % (name,
		"arg6" if nmrsh <= 6 else "more")
		for (name, nmrsh) in zip(handlers, arg_numbers)
		if not name in noweak])

		# The "noweak" ones just get a regular declaration

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