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unknown user pushed a change to branch users/weimin/ctf in repository binutils-gdb.

at 2c9a28c12d Sync up gdb with latest gcc and binutils

This branch includes the following new commits:

new a4dbf532f2 libctf: make it compile for old glibc new bbbf065c6c libctf, include: ChangeLog format fixes new 5fc9eafcae libctf: allow the header to change between versions new bf365a6eb8 libctf, binutils: dump the CTF header new 4610d938b4 libctf, bfd: fix ctf_bfdopen_ctfsect opening symbol and stri [...] new 42859bb4a1 libctf: add the object index and function index sections new 417ed2883b binutils: readelf: when dumping CTF, load strtab and symtab [...] new ab39915041 binutils: objdump does not take --ctf-symbols or --ctf-strin [...] new 534c153947 libctf: Add iteration over non-root types new ec60a76676 libctf: support getting strings from the ELF strtab new 1ba0a754ad libctf: write CTF files to memory, and CTF archives to fds new 01cc754d45 libctf: fix double-free on ctf_compress_write error path new 2ddf769f8b libctf: dump: support non-root type dumping new dfe2491d58 libctf: dump: check the right error values when dumping functions new 0aae381999 libctf: add the ctf_link machinery new c150ea49ac libctf: map from old to corresponding newly-added types in c [...] new ec0179e0bd libctf: add linking of the variable section new 2091d7d550 libctf: add CU-mapping machinery new c37135b645 libctf: teach ctf_add_type how forwards work new 5f81997834 libctf: don't leak hash keys or values on value replacement new 3c50a95108 libctf: eschew C99 for loop initial declarations new deb9b90199 libctf: get rid of a disruptive public include of <sys/param.h> new fba72c8c05 libctf: bfd-open: mark the bfd as cacheable new bf05b84eda libctf: actually close bfds we have opened new bc02cd7f56 bfd: new functions for getting strings out of a strtab new 5379bd8827 bfd, ld: add CTF section linking new c9c66c0910 libctf: installable libctf as a shared library new 6951c20a00 objdump: get CTF parent importing right new 475dd3eef4 libctf: handle nonrepresentable types at link time new 54e8678e0f libctf: avoid the need to ever use ctf_update new dde074f887 libctf: properly handle ctf_add_type of forwards and self-re [...] new 09dd90b023 libctf: allow ctf_type_lname of a null pointer. new cb2b796c85 libctf: get the encoding of non-ints/fps in the dynamic space right new 6c1ab5fe1e libctf: remove ctf_malloc, ctf_free and ctf_strdup new 2ca5b4ab8a libctf: make ctf_dump not crash on OOM new 6fa0bc1c30 libctf: fix refcount leak in ctf_import new 2c9a28c12d Sync up gdb with latest gcc and binutils

The 37 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "adds" were already present in the repository and have only been added to this reference.