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from 4e44fe4280b c++: C++26 va_start - part of P3348R4 - C++26 should refer [...] new 7e80927e9b1 c-family: add btf_type_tag and btf_decl_tag attributes new ac7027f180b dwarf: create annotation DIEs for btf tags new 9c862a593bc ctf: translate annotation DIEs to internal ctf new 43dcea48b8c btf: generate and output DECL_TAG and TYPE_TAG records new 8b5d75121dc doc: document btf_type_tag and btf_decl_tag attributes new 4e1f9a0fbe5 bpf: add tests for CO-RE and BTF tag interaction

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Summary of changes: gcc/btfout.cc | 171 +++++++++-- gcc/c-family/c-attribs.cc | 110 ++++++- gcc/ctfc.cc | 80 ++++- gcc/ctfc.h | 43 ++- gcc/doc/extend.texi | 79 +++++ gcc/dwarf2ctf.cc | 135 ++++++++- gcc/dwarf2out.cc | 328 +++++++++++++++++++-- gcc/testsuite/gcc.dg/attr-btf-decl-tag-1.c | 14 + gcc/testsuite/gcc.dg/attr-btf-decl-tag-2.c | 15 + gcc/testsuite/gcc.dg/attr-btf-type-tag-1.c | 12 + gcc/testsuite/gcc.dg/attr-btf-type-tag-2.c | 9 + gcc/testsuite/gcc.dg/attr-btf-type-tag-3.c | 8 + gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-1.c | 14 + gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-2.c | 22 ++ gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-3.c | 22 ++ gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-4.c | 34 +++ gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-1.c | 26 ++ gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-2.c | 13 + gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-3.c | 28 ++ gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-4.c | 24 ++ .../gcc.dg/debug/btf/btf-type-tag-c2x-1.c | 22 ++ gcc/testsuite/gcc.dg/debug/ctf/ctf-decl-tag-1.c | 31 ++ gcc/testsuite/gcc.dg/debug/ctf/ctf-type-tag-1.c | 19 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-1.c | 11 + .../gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-2.c | 25 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-3.c | 21 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-1.c | 10 + .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-10.c | 20 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-2.c | 31 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-3.c | 15 + .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-4.c | 34 +++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-5.c | 10 + .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-6.c | 27 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-7.c | 25 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-8.c | 23 ++ .../gcc.dg/debug/dwarf2/dwarf-btf-type-tag-9.c | 41 +++ gcc/testsuite/gcc.target/bpf/core-btf-tag-1.c | 23 ++ gcc/testsuite/gcc.target/bpf/core-btf-tag-2.c | 23 ++ include/btf.h | 14 + include/ctf.h | 4 + include/dwarf2.def | 4 + 41 files changed, 1555 insertions(+), 65 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/attr-btf-decl-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/attr-btf-decl-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/attr-btf-type-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/attr-btf-type-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/attr-btf-type-tag-3.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-3.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-decl-tag-4.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-3.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-4.c create mode 100644 gcc/testsuite/gcc.dg/debug/btf/btf-type-tag-c2x-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/ctf/ctf-decl-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/ctf/ctf-type-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-decl-tag-3.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-1.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-10.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-2.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-3.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-4.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-5.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-6.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-7.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-8.c create mode 100644 gcc/testsuite/gcc.dg/debug/dwarf2/dwarf-btf-type-tag-9.c create mode 100644 gcc/testsuite/gcc.target/bpf/core-btf-tag-1.c create mode 100644 gcc/testsuite/gcc.target/bpf/core-btf-tag-2.c