next

    pub fn next(self: *@This()) !?PcRange {
        const endian = self.endian;
        const addr_size_bytes = self.compile_unit.addr_size_bytes;
        switch (self.section_type) {
            .debug_rnglists => {
                const kind = try self.fr.takeByte();
                switch (kind) {
                    RLE.end_of_list => return null,
                    RLE.base_addressx => {
                        const index = try self.fr.takeLeb128(u64);
                        self.base_address = try self.di.readDebugAddr(endian, self.compile_unit, index);
                        return try self.next();
                    },
                    RLE.startx_endx => {
                        const start_index = try self.fr.takeLeb128(u64);
                        const start_addr = try self.di.readDebugAddr(endian, self.compile_unit, start_index);

                        const end_index = try self.fr.takeLeb128(u64);
                        const end_addr = try self.di.readDebugAddr(endian, self.compile_unit, end_index);

                        return .{
                            .start = start_addr,
                            .end = end_addr,
                        };
                    },
                    RLE.startx_length => {
                        const start_index = try self.fr.takeLeb128(u64);
                        const start_addr = try self.di.readDebugAddr(endian, self.compile_unit, start_index);

                        const len = try self.fr.takeLeb128(u64);
                        const end_addr = start_addr + len;

                        return .{
                            .start = start_addr,
                            .end = end_addr,
                        };
                    },
                    RLE.offset_pair => {
                        const start_addr = try self.fr.takeLeb128(u64);
                        const end_addr = try self.fr.takeLeb128(u64);

                        // This is the only kind that uses the base address
                        return .{
                            .start = self.base_address + start_addr,
                            .end = self.base_address + end_addr,
                        };
                    },
                    RLE.base_address => {
                        self.base_address = try readAddress(&self.fr, endian, addr_size_bytes);
                        return try self.next();
                    },
                    RLE.start_end => {
                        const start_addr = try readAddress(&self.fr, endian, addr_size_bytes);
                        const end_addr = try readAddress(&self.fr, endian, addr_size_bytes);

                        return .{
                            .start = start_addr,
                            .end = end_addr,
                        };
                    },
                    RLE.start_length => {
                        const start_addr = try readAddress(&self.fr, endian, addr_size_bytes);
                        const len = try self.fr.takeLeb128(u64);
                        const end_addr = start_addr + len;

                        return .{
                            .start = start_addr,
                            .end = end_addr,
                        };
                    },
                    else => return bad(),
                }
            },
            .debug_ranges => {
                const start_addr = try readAddress(&self.fr, endian, addr_size_bytes);
                const end_addr = try readAddress(&self.fr, endian, addr_size_bytes);
                if (start_addr == 0 and end_addr == 0) return null;

                // The entry with start_addr = max_representable_address selects a new value for the base address
                const max_representable_address = ~@as(u64, 0) >> @intCast(64 - addr_size_bytes);
                if (start_addr == max_representable_address) {
                    self.base_address = end_addr;
                    return try self.next();
                }

                return .{
                    .start = self.base_address + start_addr,
                    .end = self.base_address + end_addr,
                };
            },
            else => unreachable,
        }
    }