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e0246df26b
Since we have a DSL for specifying syscalls, we can create a verificaton method for each syscall that can cover most argument (and eventually capability) verification instead of doing it piecemeal in each syscall implementation, which can be more error-prone. Now a new _syscall_verify_* function exists for every syscall, which calls the real implementation. The syscall table for the syscall handler now maps to these verify functions. Other changes: - Updated the definition grammar to allow options to have a "key:value" style, to eventually support capabilities. - Added an "optional" option for parameters that says a syscall will accept a null value. - Some bonnibel fixes, as definition file changes weren't always properly causing updates in the build dep graph. - The syscall implementation function signatures are no longer exposed in syscall.h. Also, the unused syscall enum has been removed.
35 lines
1.1 KiB
Modula-2
35 lines
1.1 KiB
Modula-2
import "objects/kobject.def"
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# Processes are a collection of handles and a virtual memory
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# space inside which threads are run.
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object process : kobject {
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uid 0c69ee0b7502ba31
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# Create a new empty process
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method create [constructor]
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# Stop all threads and exit the given process
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method kill [destructor]
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# Stop all threads and exit the current process
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method exit [static] {
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param result int32 # The result to retrun to the parent process
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}
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# Start the given process running. Note that the entrypoint
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# address must be specified in the address space of the new
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# process.
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method start {
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param entrypoint address # The address of the main thread entrypoint
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param handles object kobject [list] # A list of parent handles to send to the child process
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}
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# Give the given process a handle that points to the same
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# object as the specified handle.
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method give_handle {
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param sender object kobject # A handle in the caller process to send
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param receiver object kobject [out optional] # The handle as the recipient will see it
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}
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}
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