1d30322820
This commit contains a couple large, interdependent changes: - In preparation for capability checking, the _syscall_verify_* functions now load most handles passed in, and verify that they exist and are of the correct type. Lists and out-handles are not converted to objects. - Also in preparation for capability checking, the internal representation of handles has changed. j6_handle_t is now 32 bits, and a new j6_cap_t (also 32 bits) is added. Handles of a process are now a util::map<j6_handle_t, handle> where handle is a new struct containing the id, capabilities, and object pointer. - The kernel object definition DSL gained a few changes to support auto generating the handle -> object conversion in the _syscall_verify_* functions, mostly knowing the object type, and an optional "cname" attribute on objects where their names differ from C++ code. (Specifically vma/vm_area) - Kernel object code and other code under kernel/objects is now in a new obj:: namespace, because fuck you <cstdlib> for putting "system" in the global namespace. Why even have that header then? - Kernel object types constructed with the construct_handle helper now have a creation_caps static member to declare what capabilities a newly created object's handle should have.
46 lines
988 B
Plaintext
46 lines
988 B
Plaintext
start: import_statement* (object|interface)+
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import_statement: "import" PATH
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object: description? "object" name options? super? "{" uid cname? method* "}"
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interface: description? "interface" name options? "{" uid interface_param* "}"
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?interface_param: expose | function
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expose: "expose" type
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uid: "uid" UID
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cname: "cname" IDENTIFIER
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super: ":" name
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function: description? "function" name options? ("{" param* "}")?
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method: description? "method" name options? ("{" param* "}")?
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param: "param" name type options? description?
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?type: PRIMITIVE | object_name
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object_name: "object" name
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id: NUMBER
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name: IDENTIFIER
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options: "[" ( OPTION | IDENTIFIER )+ "]"
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description: COMMENT+
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PRIMITIVE: INT_TYPE | "size" | "string" | "buffer" | "address"
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INT_TYPE: /u?int(8|16|32|64)?/
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NUMBER: /(0x)?[0-9a-fA-F]+/
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UID: /[0-9a-fA-F]{16}/
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OPTION.2: IDENTIFIER ":" IDENTIFIER
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COMMENT: /#.*/
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PATH: /"[^"]*"/
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%import common.LETTER
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%import common.CNAME -> IDENTIFIER
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%import common.WS
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%ignore WS
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