Date: Tue, 02 Feb 2021 14:26:44 +0000 From: bugzilla-noreply@freebsd.org To: toolchain@FreeBSD.org Subject: [Bug 246015] readelf -S truncates section names Message-ID: <bug-246015-29464-UHWnrtwRX6@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-246015-29464@https.bugs.freebsd.org/bugzilla/> References: <bug-246015-29464@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D246015 --- Comment #1 from Ed Maste <emaste@freebsd.org> --- Indeed, creating a test file via $ objcopy -I binary -O elf64-x86-64 -B x86-64 --rename-section .data=3D.this-is-a-really-long-name empty output.elf ELF Tool Chain readelf by default shows: $ readelf -S output.elf There are 5 section headers, starting at offset 0x78: Section Headers: [Nr] Name Type Address Offset Size EntSize Flags Link Info Align [ 0] NULL 0000000000000000 00000000 0000000000000000 0000000000000000 0 0 0 [ 1] .this-is-a-really PROGBITS 0000000000000000 00000040 0000000000000000 0000000000000000 WA 0 0 1 [ 2] .shstrtab STRTAB 0000000000000000 00000040 0000000000000038 0000000000000000 0 0 1 [ 3] .symtab SYMTAB 0000000000000000 000001b8 0000000000000078 0000000000000018 4 2 8 [ 4] .strtab STRTAB 0000000000000000 00000230 000000000000003a 0000000000000000 0 0 1 Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings) I (info), L (link order), G (group), x (unknown) O (extra OS processing required) o (OS specific), p (processor specific) GNU readelf 2.33.1 shows: $ /usr/local/bin/readelf -S output.elf There are 5 section headers, starting at offset 0x78: Section Headers: [Nr] Name Type Address Offset Size EntSize Flags Link Info Align [ 0] NULL 0000000000000000 00000000 0000000000000000 0000000000000000 0 0 0 [ 1] .this-is-a-really PROGBITS 0000000000000000 00000040 0000000000000000 0000000000000000 WA 0 0 1 [ 2] .shstrtab STRTAB 0000000000000000 00000040 0000000000000038 0000000000000000 0 0 1 [ 3] .symtab SYMTAB 0000000000000000 000001b8 0000000000000078 0000000000000018 4 2 8 [ 4] .strtab STRTAB 0000000000000000 00000230 000000000000003a 0000000000000000 0 0 1 Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings), I (info), L (link order), O (extra OS processing required), G (group), T (TLS), C (compressed), x (unknown), o (OS specific), E (exclude), l (large), p (processor specific) (These differ only in the key.) With -W GNU readelf shows: $ /usr/local/bin/readelf -S -W output.elf=20 There are 5 section headers, starting at offset 0x78: Section Headers: [Nr] Name Type Address Off Size ES = Flg Lk Inf Al [ 0] NULL 0000000000000000 000000 000000 00= =20=20=20=20=20 0 0 0 [ 1] .this-is-a-really-long-name PROGBITS 0000000000000000 000040 000000 00 WA 0 0 1 [ 2] .shstrtab STRTAB 0000000000000000 000040 000038 00= =20=20=20=20=20 0 0 1 [ 3] .symtab SYMTAB 0000000000000000 0001b8 000078 18= =20=20=20=20=20 4 2 8 [ 4] .strtab STRTAB 0000000000000000 000230 00003a 00= =20=20=20=20=20 0 0 1 Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings), I (info), L (link order), O (extra OS processing required), G (group), T (TLS), C (compressed), x (unknown), o (OS specific), E (exclude), l (large), p (processor specific) While ELF Tool Chain prints on one line but does not widen the name: $ readelf -S -W output.elf There are 5 section headers, starting at offset 0x78: Section Headers: [Nr] Name Type Addr Off Size ES = Flg Lk Inf Al [ 0] NULL 0000000000000000 000000 000000 00= =20=20=20=20=20 0 0 0 [ 1] .this-is-a-really PROGBITS 0000000000000000 000040 000000 00 = WA=20 0 0 1 [ 2] .shstrtab STRTAB 0000000000000000 000040 000038 00= =20=20=20=20=20 0 0 1 [ 3] .symtab SYMTAB 0000000000000000 0001b8 000078 18= =20=20=20=20=20 4 2 8 [ 4] .strtab STRTAB 0000000000000000 000230 00003a 00= =20=20=20=20=20 0 0 1 Key to Flags: W (write), A (alloc), X (execute), M (merge), S (strings) I (info), L (link order), G (group), x (unknown) O (extra OS processing required) o (OS specific), p (processor specific) --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-246015-29464-UHWnrtwRX6>