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Add serviceAssumeDomain + minor codegen optimization in serviceDispatch*

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fincs 2019-09-20 19:27:24 +02:00
parent 96fc7dd8cd
commit d7564ce80d
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GPG Key ID: 62C7609ADA219C60
1 changed files with 15 additions and 2 deletions
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17
nx/include/switch/sf/service.h
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@ -156,6 +156,16 @@ NX_CONSTEXPR void serviceCreateDomainSubservice(Service* s, Service* parent, u32
s->pointer_buffer_size = parent->pointer_buffer_size;
}
/**
* @brief Hints the compiler that a service will always contain a domain object.
* @param[in] s Service object.
*/
NX_CONSTEXPR void serviceAssumeDomain(Service* s)
{
if (!s->object_id)
__builtin_unreachable();
}
/**
* @brief Closes a service.
* @param[in] s Service object.
@ -410,7 +420,10 @@ NX_INLINE Result serviceDispatchImpl(
SfDispatchParams disp
)
{
void* in = serviceMakeRequest(s, request_id, disp.context,
// Make a copy of the service struct, so that the compiler can assume that it won't be modified by function calls.
Service srv = *s;
void* in = serviceMakeRequest(&srv, request_id, disp.context,
in_data_size, disp.in_send_pid,
disp.buffer_attrs, disp.buffers,
disp.in_num_objects, disp.in_objects,
@ -422,7 +435,7 @@ NX_INLINE Result serviceDispatchImpl(
Result rc = svcSendSyncRequest(disp.target_session == INVALID_HANDLE ? s->session : disp.target_session);
if (R_SUCCEEDED(rc)) {
void* out = NULL;
rc = serviceParseResponse(s,
rc = serviceParseResponse(&srv,
out_data_size, &out,
disp.out_num_objects, disp.out_objects,
disp.out_handle_attrs, disp.out_handles);