Re: [GAS bug] .asciz inserts zero byte for each string passed
On Mai 30 2024, Jiří Wolker wrote:
> As you can see at the byte 0x45, the NUL byte is placed after the first
> string ("hello" ends).
Which works as documented (`arguments not separated by commas'). See
also the comment: `Treat "a" "b" as "ab". Even if we are appending
zeros.'
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1
"And now for something completely different."
Re: Possible bug - GAS for RSIC-V
You haven't set up gp, or disable relaxation. -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."
Re: Stack BufferOverflow in readelf.c
On Apr 27 2023, 2ourc3 1er wrote: > The function includes a declaration of a fixed-sized buffer, *char > name_buf[40];*, which is used later in the function with the *sprintf* > function:* sprintf* (*name_buf*, "", > (unsigned int) *psym->st_shndx*); > > The problem with this implementation is that the st_shndx argument used in > sprintf is controlled by the user, and therefore, could be larger than the > size of the buffer, leading to a Stack BufferOverflow on the buffer > *name_buf.* That is obviously impossible: psym->st_shndx can be at most 65535, so it cannot be larger than 4 characters when formatted as a hexadecimal number. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
Re: linking an assembler object creates an executable stack
2.39 -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."
Re: linking an assembler object creates an executable stack
On Dez 05 2022, Alexander Pick wrote: > There is also no warning that the stack is executable during the > process. /usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: warning: test2.o: missing .note.GNU-stack section implies executable stack /usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."
Re: mention about " --disable-nls"
On Okt 02 2021, Kiyoshi KANAZAWA wrote: > Installed binutils-2.37. > Nothing is said about "--disable-nls" in configure script, although it works. > It's better to mention about it. $ ./configure --help=recursive | grep nls --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support --disable-nls do not use Native Language Support Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."
Re: How create small binaries with GNU binutils.
On Feb 01 2019, Dmitry Bogatov wrote: > results in huge binary: > > $ du -hb a.out > 4744a.out > $ strip -s a.out > $ du -hb a.out > 4408a.out > $ file a.out > a.out: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically > linked, stripped I cannot reproduce that. $ stat -c %s a.out 664 $ strip a.out $ stat -c %s a.out 344 $ size a.out textdata bss dec hex filename 13 0 0 13 d a.out $ rpm -q binutils binutils-2.31.90-lp150.5.68.1.x86_64 Try examining the files with `readelf -a'. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different." ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Is m68hc11 target still supported by gas?
On Sep 16 2017, Marek Pietrzak <marekp...@gmail.com> wrote: > test.o: file format elf32-m68hc11 > > Disassembly of section .text: > > : > 0: bd 00 00 jsr 0x0 > 3: 20 0a bra 0xf > ... > > 000f : > f: 01 nop > > As you can see bra is generated correctly, but jsr is incorrect. Look at the relocations. test.o: file format elf32-m68hc11 Disassembly of section .text: : 0: bd 00 00jsr 0x0 0: R_M68HC11_RL_JUMP*ABS* 1: R_M68HC11_16 a2 3: 20 0a bra 0xf 3: R_M68HC11_RL_JUMP*ABS* ... 000f : f: 01 nop Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: objdump '--stop-address' option stop on a wrong ending address
On Nov 07 2016, Nick Clifton <ni...@redhat.com> wrote: > Hi Florian, > >> I try to extract function assembly code with objdump using >> "--start-address" and "--stop-address" options but the stop address stop >> on the second to last address. > >> $ objdump --start-address=0x50c40 --stop-address=0x50c5f -d > >>50c59:b8 01 00 00 00 mov$0x1,%eax >>50c5e:c3 retq >> >> As you can see the last address is wrong. The assembly code stop on >> 0x50c5e instead of 0x50c5f. > > Actually this is the intended behaviour. The --stop-address option > specifies the address at which objdump should *stop* displaying data. > So when objdump reaches address 50c5f it stops and does not display > the disassembly for that address. > > In order to display the entire disassembly of a specific region you > need to set the stop address to one more than the last address of the > region concerned. But note that the region does end at 0x50c5f, so there is nothing more to disassemble anyway. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: binutils-2.26 configure doesn't fall back to 'ar' if it can't find 'x86_64-unknown-linux-gnu-ar'
You didn't tell how you ran configure. That usually happens if it thinks that you are building with a cross compiler. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Can gold's max page size for AArch64 be updated to 64k to match current kernel capabilities?
<http://permalink.gmane.org/gmane.comp.gnu.binutils/71259> Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: [PATCH] Typo in 'ar' help
Ben Boeckel maths...@gmail.com writes: Attached is a patch for the 'ar' help of the '-M' option text '[mri-script]' which adds the closing angle bracket. That's not a typo. The script is expected on stdin. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Question about MSP430 assembler compiler
Eugene eug...@pronan.zp.ua writes: Loop: xor.b #0b0101,P1OUT gas/config/tc-msp430.h defines NUMBERS_WITH_SUFFIX, so this is the number 0 with trailing garbage (which isn't properly diagnosed). Use 0101B instead. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Configure script option checking does not work
Jonas Wagner ltlygw...@gmail.com writes: The binutils configure script fails to check for unrecognized options: ./configure --enable-nonexisting-feature runs just fine. This is deliberate, since the option may be accepted by a subdir configure script. This is especially confusing as there are some configure options which are not documented, e.g., --enable-plugins or --enable-threads. They are documented by the subdir configure scripts that recognize them. Use --help=recursive to see them all. Andreas. -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Assumption about size of bfd_vma in opcodes/arm-dis.c
Mathias Svensson frea...@freaken.dk writes: In multiple places in opcodes/arm-dis.c there is an implcit assumption that bfd_vma has the same size as an int. See for example lines 2014-2033 in HEAD. You are looking at some one year old sources, this has already been fixed in 2012-07, in response to PR binutils/13135. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Wrong release date for binutils 2.21 - release date is 12/08/11
Hulin, Gerlinde (E D EA SOL D TC1) gerlinde.hu...@siemens.com writes: Hello, I have seen that the release date for binutils 2.21 on ftp://ftp.gnu.org/gnu/binutils is in the future 12/08/11 09:58AM [GMT] 18,742,991 binutils-2.21.tar.bz2/gnu/binutils/binutils-2.21.tar.bz2 Must be a problem on your side, the timestamp on ftp.gnu.org is 2010-12-08. ftp modtime binutils-2.21.tar.bz2 binutils-2.21.tar.bz2 12/08/2010 09:58:41 GMT Andreas. -- Andreas Schwab, sch...@redhat.com GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Error when building binutils
joulnare18 joulnar...@hotmail.com writes: How can I do it? Configure with --enable-maintainer-mode. Andreas. -- Andreas Schwab, sch...@redhat.com GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: ld segfaults on parisc
Alexander Beregalov a.berega...@gmail.com writes: 2009/3/17 Andreas Schwab sch...@linux-m68k.org: Could you please try this patch? Andreas. 2009-03-17 Andreas Schwab sch...@linux-m68k.org * elf32-hppa.c (final_link_relocate): Cast bfd_vma value to long for format string. It works, thanks! Thanks for testing. I have now checked this in as obvious. Andreas. -- Andreas Schwab, sch...@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: [Bug binutils/9769] [Build failure] tm struct tm_gmtoff field build error
nickc at redhat dot com sourceware-bugzi...@sourceware.org writes: Actually I can see no good reason for using this unsupported field, so I am going to check in the attached patch to remove its use. The result of localtime is now unused. Also, the use of st_mtim is nonportable, too. Andreas. -- Andreas Schwab, SuSE Labs, sch...@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Installation problems binutils-2.18 (part 2)
wim [EMAIL PROTECTED] writes: [EMAIL PROTECTED]:/bin as --version GNU assembler 2.9 Copyright 1997 Free Software Foundation, Inc. SUSE Linux 8.0 originally came with binutils 2.11.92.0.10, which is quite a bit newer than what you have, despite already being several years old. Also, it didn't provide the file /bin/as in the first place. (Btw, putting . first in $PATH is a very bad thing to do. If you really want . in $PATH you should at most put it last.) Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: gold: script_test_3.t output produces exec format error
Ian Lance Taylor [EMAIL PROTECTED] writes: Jan Blunck [EMAIL PROTECTED] writes: Although the linker script looks ok, the resulting binary isn't executable on x86_64. Without defining the program headers in the linker script the executable is working fine. See PR gold/5996 Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Fixing m68k movec disassembly
Jonathan S. Shapiro [EMAIL PROTECTED] writes: Also, my impression is that the target CPU *can* be specified on the command line (via -m), and in that case greater precision is possible. I'ld like to update the patch to deal with that. Assuming that the user has told us a CPU on the command line via -m, how can that cpu name be found from code running in opcodes/m68k-dis.c? It's the bfd_mach value in info-mach. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: Relocation in generic ELF problem
aniruddha [EMAIL PROTECTED] writes: make[1]: Leaving directory `/home/buildroot/build_arm/sysappl/C++' for i in C++ ; do make -C $i || exit ; done make[1]: Entering directory `/home/buildroot/build_arm/sysappl/C++' g++-c -o test1.o test1.cpp /home/buildroot/build_arm/staging_dir/bin/arm-linux-uclibc-g++ --static -o test1 test1.o /home/buildroot/build_arm/staging_dir/lib/gcc/arm-linux-uclibc/3.4.6/../../../../arm-linux-uclibc/bin/ld: test1.o: Relocatns in generic ELF (EM: 3) make[1]: *** [test1] Error 1 make[1]: Leaving directory `/home/buildroot/build_arm/sysappl/C++' make: *** [all] Error 2 wat is the solution to this problem? Use the C++ cross compiler for your target. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
Re: GOT error in gas
Mikulas Patocka [EMAIL PROTECTED] writes: __asm__ (.global number; number = 0x12345678); extern void number; These two declarations are not compatible. The latter declares number as a data symbol, but the former defines it is an absolute symbol. Thus what you get is undefined behaviour. Andreas. -- Andreas Schwab, SuSE Labs, [EMAIL PROTECTED] SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 And now for something completely different. ___ bug-binutils mailing list bug-binutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-binutils
