mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-06 18:00:17 +02:00
Paulo Matos
2b4ec88dae
This follows discussions from #3413. Followup commits add clang-format file, script and blame ignore lists.
55 lines
2.3 KiB
C++
55 lines
2.3 KiB
C++
namespace fexgen {
|
|
struct returns_guest_pointer {};
|
|
struct custom_host_impl {};
|
|
struct custom_guest_entrypoint {};
|
|
|
|
struct generate_guest_symtable {};
|
|
struct indirect_guest_calls {};
|
|
|
|
struct callback_annotation_base {
|
|
// Prevent annotating multiple callback strategies
|
|
bool prevent_multiple;
|
|
};
|
|
struct callback_stub : callback_annotation_base {};
|
|
|
|
// Member annotation to mark members handled by custom repacking. This enables
|
|
// automatic struct repacking of structs with non-trivial members (pointers,
|
|
// unions, ...). Repacking logic is auto-generated as usual, with the
|
|
// difference that an external function is called to manually repack the
|
|
// annotated members.
|
|
//
|
|
// Two functions must be implemented for the parent struct type:
|
|
// * fex_custom_repack_entry, called after automatic repacking of the other members
|
|
// * fex_custom_repack_exit, called on exit but before automatic exit-repacking
|
|
// of the other members. Non-trivial implementations must perform host->guest
|
|
// repacking manually and return the boolean value true.
|
|
//
|
|
// If multiple members of the same struct are annotated as custom_repack,
|
|
// they must be handled in the same fex_custom_repack_entry/exit functions.
|
|
struct custom_repack {};
|
|
|
|
// Type annotation to indicate that guest_layout/host_layout definitions should
|
|
// be emitted even if the type is non-repackable. Pointer members will be
|
|
// copied (or zero-extended) without regard for the referred data.
|
|
struct emit_layout_wrappers {};
|
|
|
|
struct type_annotation_base {
|
|
bool prevent_multiple;
|
|
};
|
|
|
|
// Pointers to types annotated with this will be passed through without change
|
|
struct opaque_type : type_annotation_base {};
|
|
|
|
// Function parameter annotation.
|
|
// Pointers are passed through to host (extending to 64-bit if needed) without modifying the pointee.
|
|
// The type passed to Host will be guest_layout<pointee_type>*.
|
|
struct ptr_passthrough {};
|
|
|
|
// Type / Function parameter annotation.
|
|
// Assume objects of the given type are compatible across architectures,
|
|
// even if the generator can't automatically prove this. For pointers, this refers to the pointee type.
|
|
// NOTE: In contrast to opaque_type, this allows for non-pointer members with the annotated type to be repacked automatically.
|
|
struct assume_compatible_data_layout : type_annotation_base {};
|
|
|
|
} // namespace fexgen
|