build(deps): bump github.com/cilium/ebpf from 0.17.3 to 0.19.0

[dependabot]

Bumps github.com/cilium/ebpf from 0.17.3 to 0.19.0.

Release notes

Sourced from github.com/cilium/ebpf's releases.

v0.19.0

Major Performance Improvements

This release includes significant performance optimizations across multiple areas:

• Lazy BTF Decoding: BTF types are now decoded on-demand rather than all upfront, dramatically reducing memory usage and load times
• Faster Object Opening: Opening Maps and Programs from fd/id/pin is significantly faster through minimal info retrieval
• Improved Statistics Access: New Program.Stats() method allows querying runtime statistics without fetching full ProgramInfo

CO-RE Improvements

• Full Kernel Module Support: CO-RE relocations now work against all kernel modules, not just vmlinux

Build System and Toolchain Updates

• LLVM Toolchain: Updated to support LLVM 14, 17, and 20 (dropped LLVM 11 support)

Enhanced Map Support

• BTF Declaration Tags: Added MapSpec.Tags field for reading btf_decl_tag attributes set on maps
• Better Error Handling: Improved BPF_F_NO_PREALLOC hints and warnings for map types that require this flag

Assembly and Instruction Handling

• Atomic Operations: Complete support for all atomic operations beyond just atomic add

Memory and Variable Access

• New Accessors: Added accessor methods for values represented by Variable and Memory types

Windows Support Improvements

• Path Canonicalization: Fixed pin path handling to work with eBPF for Windows path canonicalization rules

Bug Fixes

• Map Batch Operations: Fixed value unmarshaling for partial batch operations in BatchLookup and BatchLookupDelete (#1741)
• Assembly Validation: Return InvalidOpCode for StoreImm with DWord size (#1767)
• Builtin Function Calls: Allow negative constants for builtin function calls (#1797)
• CO-RE Module Types: Perform CO-RE against all kernel module types (#1511)
• Pin API: Made WalkDir harder to misuse and added Windows support (#1652)
• Struct Layout: Emit structs.HostLayout in GoFormatter (#1686)

Compatibility Notes

• Minimum eBPF for Windows: Now requires eBPF for Windows 0.21.0 or later
• LLVM 11 Dropped: No longer supports LLVM 11 (required for declaration tag support)

What's Changed

• perf,ringbuf: switch Go build tag by @​florianl in cilium/ebpf#1752
• pin: make WalkDir harder to misuse and add Windows support by @​lmb in cilium/ebpf#1736
• examples: remove unnecessary -type flags to bpf2go invocations by @​ti-mo in cilium/ebpf#1754
• map: unmarshal values for partial batch by @​aibor in cilium/ebpf#1742
• build(deps): bump golang.org/x/net from 0.36.0 to 0.38.0 by @​dependabot in cilium/ebpf#1756

... (truncated)

Commits

• c221969 linker: do not error out when there is nothing in /sys/kernel/btf
• 3de0bd4 btf: make stringTable.LookupCached concurrency safe
• 22ffff5 btf: introduce caching to the string table to speed up ext info loading
• dab673c asm: allow negative constants for builtin function calls
• 9958a4f program: perform CO-RE against all kmod
• 9b340d1 btf: don't crash when rebasing empty decoder
• 51ab2a4 elf_reader: do not panic in loadMapsif ELF file has no BTF
• 0bef90d build(deps): bump urllib3 from 2.4.0 to 2.5.0 in /docs
• 3f1a755 map: add MapSpec.Tags field for reading btf_decl_tag attributes set on maps
• 87af60f Makefile: build testdata using clang-14, 17, 20
• Additional commits viewable in compare view

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