Questions tagged [assembly]
Tag for questions regarding the wide family of assembly languages both low and high level. It should be used for both the languages themselves as well as their assemblers.
77 questions
1 vote
0 answers
59 views
What is the difference between the ELF Visibility Values STV_INTERNAL and STV_HIDDEN?
I was trying to understand Visibility values in ELF file , and I couldn't Understand the difference between STV_HIDDEN and STV_INTERNAL . After some reseach I found that this may be related to how ...
- 297
0 votes
1 answer
72 views
Checking the build of each executable, disassembling all the .o files. How to hunt down the xz kind of backdoor elsewhere in Linux distributions? [closed]
You might have read about the backdoor that was released with the xz command (versions 5.6.0 and 5.6.1). A malevolent committer gained the trust of his maintainer, and achieved to insert at build time ...
- 2,467
2 votes
1 answer
426 views
Why does the Linux kernel have its own bootloader
I am trying to work my way through Linux kernel code, and in this file there seems to be a full blown bootloader that bios is expected to run. I was under the impression that generally, grub will be ...
- 123
0 votes
0 answers
116 views
Linking problem in assembly code
Here is my assembly code: .section .data mystring: .asciz "Hello world\n" .section .text .globl _start _start: pushl $0 pushl $mystring call printf pushl $0 call exit ...
- 47
0 votes
1 answer
226 views
Terminal syscalls in Assembly
I would like to write a chess engine for Linux. It will be in pure X64 Assembly language without any C/C++ or any other high level languages external libraries. It will run in full screen text/console/...
0 votes
1 answer
46 views
How can I en- and decompress a bootable image?
I have a bootable kernel image, that I had created with MinGW Toolchain's that available for Microsoft Windows 11. The Project is in size tiny, but I would know: "How can I shrink the image, if ...
- 1
0 votes
1 answer
83 views
as .*s does not work like gcc .*c
when i run gcc -c *.c, it runs:- gcc -c file1.c -o file1.o gcc -c file2.c -o file2.o gcc -c file3.c -o file3.o ... but as *.s runs:- as file1.s -o a.out as file2.s -o a.out as file3.s -o a.out ... ...
- 57
0 votes
1 answer
60 views
Why does assembler called from script not create a certain file when run from crontab?
I'm using this script to build and package some applications I developed. Full content of the script is listed at the end. It is called by this crontab entry: 50 23 * * * nice $HOME/update-dl-wwwecm $...
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