Date: Mon, 07 Apr 2025 00:14:52 +0000 From: bugzilla-noreply@freebsd.org To: threads@FreeBSD.org Subject: [Bug 192686] Segfaults using combinations of -pie -pthread -lm(|_p) when profiling Message-ID: <bug-192686-13406-sedJKrXrTZ@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-192686-13406@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192686 yu shan wei <mpysw@vip.163.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpysw@vip.163.com --- Comment #5 from yu shan wei <mpysw@vip.163.com> --- [1]> clang -pg -pie -pthread -lm profile.c && ./a.out ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /tmp/profile-387333.o >>> referenced by profile.c >>> /tmp/profile-387333.o:(main) ld: error: relocation R_X86_64_64 cannot be used against symbol 'main'; recompile with -fPIC >>> defined in /tmp/profile-387333.o >>> referenced by crt1_s.S:69 (/usr/src/lib/csu/amd64/crt1_s.S:69) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /usr/lib/gcrt1.o >>> referenced by crt1_s.S:72 (/usr/src/lib/csu/amd64/crt1_s.S:72) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against symbol 'etext'; recompile with -fPIC >>> defined in <internal> >>> referenced by crt1_s.S:73 (/usr/src/lib/csu/amd64/crt1_s.S:73) >>> /usr/lib/gcrt1.o:(_start) clang: error: linker command failed with exit code 1 (use -v to see invocation) [2]> clang -pg -pie -pthread -lm_p profile.c && ./a.out clang -pg -pie -pthread -lm_p profile.c && ./a.out ld: error: unable to find library -lm_p clang -pg -pie -pthread -lmp profile.c && ./a.out ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /tmp/profile-8d9771.o >>> referenced by profile.c >>> /tmp/profile-8d9771.o:(main) ld: error: relocation R_X86_64_64 cannot be used against symbol 'main'; recompile with -fPIC >>> defined in /tmp/profile-8d9771.o >>> referenced by crt1_s.S:69 (/usr/src/lib/csu/amd64/crt1_s.S:69) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /usr/lib/gcrt1.o >>> referenced by crt1_s.S:72 (/usr/src/lib/csu/amd64/crt1_s.S:72) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against symbol 'etext'; recompile with -fPIC >>> defined in <internal> >>> referenced by crt1_s.S:73 (/usr/src/lib/csu/amd64/crt1_s.S:73) >>> /usr/lib/gcrt1.o:(_start) clang: error: linker command failed with exit code 1 (use -v to see invocation) [3]> clang -pg -pthread -lm profile.c && ./a.out success [4]> clang -pg -pthread -lm_p profile.c && ./a.out clang -pg -pthread -lm_p profile.c && ./a.out success [5]> clang -pg -pthread -lm profile.c && ./a.out success [6]> clang -pg -pie -pthread profile.c && ./a.out ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /tmp/profile-1d081e.o >>> referenced by profile.c >>> /tmp/profile-1d081e.o:(main) ld: error: relocation R_X86_64_64 cannot be used against symbol 'main'; recompile with -fPIC >>> defined in /tmp/profile-1d081e.o >>> referenced by crt1_s.S:69 (/usr/src/lib/csu/amd64/crt1_s.S:69) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against local symbol; recompile with -fPIC >>> defined in /usr/lib/gcrt1.o >>> referenced by crt1_s.S:72 (/usr/src/lib/csu/amd64/crt1_s.S:72) >>> /usr/lib/gcrt1.o:(_start) ld: error: relocation R_X86_64_64 cannot be used against symbol 'etext'; recompile with -fPIC >>> defined in <internal> >>> referenced by crt1_s.S:73 (/usr/src/lib/csu/amd64/crt1_s.S:73) >>> /usr/lib/gcrt1.o:(_start) clang: error: linker command failed with exit code 1 (use -v to see invocation) FreeBSD 14.2 -- You are receiving this mail because: You are the assignee for the bug.help
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