en Copyright 2015 Java http://172.16.0.5:8080/history/llvm-project-15.0.7/lldb/test/Shell/SymbolFile/Inputs/symbol-binding.s#bf722588 [lldb] Fix lookup of symbols with the same address range but different bindingThis fixes a failing testcase on Fedora 30 x86_64 (regression Fedora 29->30):PASS:./bin/lldb ./lldb-test-build.noindex/functionalities/unwind/noreturn/TestNoreturnUnwind.test_dwarf/a.out -o 'settings set symbols.enable-external-lookup false' -o r -o bt -o quit * frame #0: 0x00007ffff7aa6e75 libc.so.6`__GI_raise + 325 frame #1: 0x00007ffff7a91895 libc.so.6`__GI_abort + 295 frame #2: 0x0000000000401140 a.out`func_c at main.c:12:2 frame #3: 0x000000000040113a a.out`func_b at main.c:18:2 frame #4: 0x0000000000401134 a.out`func_a at main.c:26:2 frame #5: 0x000000000040112e a.out`main(argc=<unavailable>, argv=<unavailable>) at main.c:32:2 frame #6: 0x00007ffff7a92f33 libc.so.6`__libc_start_main + 243 frame #7: 0x000000000040106e a.out`_start + 46vs.FAIL - unrecognized abort() function:./bin/lldb ./lldb-test-build.noindex/functionalities/unwind/noreturn/TestNoreturnUnwind.test_dwarf/a.out -o 'settings set symbols.enable-external-lookup false' -o r -o bt -o quit * frame #0: 0x00007ffff7aa6e75 libc.so.6`.annobin_raise.c + 325 frame #1: 0x00007ffff7a91895 libc.so.6`.annobin_loadmsgcat.c_end.unlikely + 295 frame #2: 0x0000000000401140 a.out`func_c at main.c:12:2 frame #3: 0x000000000040113a a.out`func_b at main.c:18:2 frame #4: 0x0000000000401134 a.out`func_a at main.c:26:2 frame #5: 0x000000000040112e a.out`main(argc=<unavailable>, argv=<unavailable>) at main.c:32:2 frame #6: 0x00007ffff7a92f33 libc.so.6`.annobin_libc_start.c + 243 frame #7: 0x000000000040106e a.out`.annobin_init.c.hot + 46The extra ELF symbols are there due to Annobin (I did not investigate why thisproblem happened specifically since F-30 and not since F-28).It is due to:Symbol table '.dynsym' contains 2361 entries:Valu e Size Type Bind Vis Name0000000000022769 5 FUNC LOCAL DEFAULT _nl_load_domain.cold000000000002276e 0 NOTYPE LOCAL HIDDEN .annobin_abort.c.unlikely...000000000002276e 0 NOTYPE LOCAL HIDDEN .annobin_loadmsgcat.c_end.unlikely...000000000002276e 0 NOTYPE LOCAL HIDDEN .annobin_textdomain.c_end.unlikely000000000002276e 548 FUNC GLOBAL DEFAULT abort000000000002276e 548 FUNC GLOBAL DEFAULT abort@@GLIBC_2.2.5000000000002276e 548 FUNC LOCAL DEFAULT __GI_abort0000000000022992 0 NOTYPE LOCAL HIDDEN .annobin_abort.c_end.unlikelyGDB has some more complicated preferences between overlapping and/or sharingaddress symbols, I have made here so far the most simple fix for this case.Differential revision: https://reviews.llvm.org/D63540 List of files: /llvm-project-15.0.7/lldb/test/Shell/SymbolFile/Inputs/symbol-binding.s Mon, 13 Jan 2020 11:03:14 +0000 Jan Kratochvil <jan.kratochvil@redhat.com>