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sel4-sys: fix pointer mutability in syscall stubs

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Change-Id: I2c3139f7c3fb0d0390970f0a388a8ee5bc692bd3
GitOrigin-RevId: ac3853a5ea171e9948aad70b036757ece1aea657
This commit is contained in:
Sam Leffler 2021-11-28 19:05:45 +00:00
parent 06f2d60e94
commit 0548098405
1 changed files with 10 additions and 6 deletions
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16
apps/system/components/kata-os-common/src/sel4-sys/tools/syscall_stub_gen.py
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@ -167,12 +167,12 @@ class Type(object):
name = "type_"
return "%s: %s" % (name, translate_type(self.name))
def pointer(self):
def pointer(self, mutable):
"""
Return a new Type class representing a pointer to this
object.
"""
return PointerType(self, self.wordsize)
return PointerType(self, self.wordsize, mutable)
def c_expression(self, var_name, word_num=0):
"""
@ -198,14 +198,18 @@ class PointerType(Type):
A pointer to a standard type.
"""
def __init__(self, base_type, wordsize):
def __init__(self, base_type, wordsize, mutable):
Type.__init__(self, base_type.name, wordsize, wordsize)
self.base_type = base_type
self.mutable = mutable
def render_parameter_name(self, name):
if name == "type":
name = "type_"
return "%s: *mut %s" % (name, translate_type(self.name))
if self.mutable:
return "%s: *mut %s" % (name, translate_type(self.name))
else:
return "%s: *const %s" % (name, translate_type(self.name))
def c_expression(self, var_name, word_num=0):
assert word_num == 0
@ -466,10 +470,10 @@ def generate_param_list(input_params, output_params):
if not param.type.pass_by_reference():
params.append(param.type.render_parameter_name(param.name))
else:
params.append(param.type.pointer().render_parameter_name(param.name))
params.append(param.type.pointer(False).render_parameter_name(param.name))
for param in output_params:
if param.type.pass_by_reference():
params.append(param.type.pointer().render_parameter_name(param.name))
params.append(param.type.pointer(True).render_parameter_name(param.name))
return ", ".join(params)