syscall/invoke_objdir.c


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#include "handles.h"
#include "syscall.h"

static int
s_handle_invoke_objdir_nmemb(objdir_t *root_dir, objdir_t *target_dir, void *payload)
{
    struct syscallInvoke_objdir_nmemb *payloadStruct = payload;
    payloadStruct->value = target_dir->self.data;
    return 0;
}

static int
s_handle_invoke_objdir_getmemb(objdir_t *root_dir, objdir_t *target_dir, void *payload)
{
    struct syscallInvoke_objdir_getmemb *payloadStruct = payload;
    payloadStruct->value = target_dir->entries[payloadStruct->member].type;
    return 0;
}

static int (*s_invoke_handles[])(objdir_t*, objdir_t*, void*) = {
    [INVOKE_OBJDIR_NMEMB] = s_handle_invoke_objdir_nmemb,
    [INVOKE_OBJDIR_GETMEMB] = s_handle_invoke_objdir_getmemb
};
static size_t s_invoke_handles_count = sizeof(s_invoke_handles) / sizeof(void*);

int
syscall_handle_invoke_objdir(objdir_t *root_dir, objdir_t *target_dir, void *payload)
{
    struct syscallInvokeHeader *invokeHeader = payload;
    size_t funcid = invokeHeader->func_id;

    if(funcid >= s_invoke_handles_count) return -1;
    return s_invoke_handles[funcid](root_dir, target_dir, payload);
}