drgn/libdrgn/linux_kernel_object_find.inc.strswitch

// Copyright (c) Meta Platforms, Inc. and affiliates.
// SPDX-License-Identifier: LGPL-2.1-or-later

struct drgn_error *linux_kernel_object_find(const char *name, size_t name_len,
					    const char *filename,
					    enum drgn_find_object_flags flags,
					    void *arg, struct drgn_object *ret)
{
	struct drgn_program *prog = arg;
	if (!filename) {
		@memswitch (name, name_len)@
		@case "PAGE_SHIFT"@
			if (flags & DRGN_FIND_OBJECT_CONSTANT)
				return linux_kernel_get_page_shift(prog, ret);
			break;
		@case "PAGE_SIZE"@
			if (flags & DRGN_FIND_OBJECT_CONSTANT)
				return linux_kernel_get_page_size(prog, ret);
			break;
		@case "PAGE_MASK"@
			if (flags & DRGN_FIND_OBJECT_CONSTANT)
				return linux_kernel_get_page_mask(prog, ret);
			break;
		@case "UTS_RELEASE"@
			if (flags & DRGN_FIND_OBJECT_CONSTANT)
				return linux_kernel_get_uts_release(prog, ret);
			break;
		@case "jiffies"@
			if (flags & DRGN_FIND_OBJECT_VARIABLE)
				return linux_kernel_get_jiffies(prog, ret);
			break;
		@case "vmemmap"@
			if (flags & DRGN_FIND_OBJECT_CONSTANT)
				return linux_kernel_get_vmemmap(prog, ret);
			break;
		@endswitch@
	}
	return &drgn_not_found;
}