me.bechberger.ebpf.bpf.raw.btf_enum Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of rawbpf Show documentation
Raw Panama bindings for libbpf generated for jextract on 64-bit Linux
The newest version!
// Generated by jextract

package me.bechberger.ebpf.bpf.raw;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct btf_enum {
 *     __u32 name_off;
 *     __s32 val;
 * }
 * }
 */
public class btf_enum {

    btf_enum() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Lib.C_INT.withName("name_off"),
        Lib.C_INT.withName("val")
    ).withName("btf_enum");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfInt name_off$LAYOUT = (OfInt)$LAYOUT.select(groupElement("name_off"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __u32 name_off
     * }
     */
    public static final OfInt name_off$layout() {
        return name_off$LAYOUT;
    }

    private static final long name_off$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __u32 name_off
     * }
     */
    public static final long name_off$offset() {
        return name_off$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __u32 name_off
     * }
     */
    public static int name_off(MemorySegment struct) {
        return struct.get(name_off$LAYOUT, name_off$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __u32 name_off
     * }
     */
    public static void name_off(MemorySegment struct, int fieldValue) {
        struct.set(name_off$LAYOUT, name_off$OFFSET, fieldValue);
    }

    private static final OfInt val$LAYOUT = (OfInt)$LAYOUT.select(groupElement("val"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * __s32 val
     * }
     */
    public static final OfInt val$layout() {
        return val$LAYOUT;
    }

    private static final long val$OFFSET = 4;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * __s32 val
     * }
     */
    public static final long val$offset() {
        return val$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * __s32 val
     * }
     */
    public static int val(MemorySegment struct) {
        return struct.get(val$LAYOUT, val$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * __s32 val
     * }
     */
    public static void val(MemorySegment struct, int fieldValue) {
        struct.set(val$LAYOUT, val$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}