I’m learning AT&T assembly，I know arrays/variables can be declared using .int/.long, or using .equ to declare a symbol, that’s to be replaced by assembly. They’re declared insided either .data section(initialzed)，or .bss section(uninitialzed). But when I used gcc to compiled a very simpl…
Tag: gcc
Compile libxml2 get “error: storage size of ‘hints’ isn’t known”
I download libxml2 2.9.4 in here, when i ./configure; make, i get following error: the full output is here here is my environment: I try version 2.9.2 and 2.9.3, i get same error, how to compile libxml2 success? Answer I find the solution: in nanohttp.c, the error line: so i can disable ipv6 to don’t co…
ld cannot recognize the options
I’am reading this Tuto, and I’am trying to link the application using this command: ld test.o –o test.bin, the linker doesn’t recognize the -o option : Using ld -help the option -o exist but i don’t understand why I’am getting this problem. This is the linker version. Answer My g…
Cannot get mixed C and Ada program to link with pthread library
I am writing a program in C. I am getting the error: This specific error comes up when gcc is linking my file_name.o with my main ADA file. For the actual compilation of the C file, I have tried using both: as well as: Neither of these seem to work. Any thoughts? UPDATE: One thing I did not realize is
Segmentation fault caused by strb w1, [x22,x23] when x23 reaches a certain value
Encountered an interesting segmentation fault on strb w1, [x22,x23] instruction in ARMv8 Assembly code when x23 reaches a certain value (which is 635), when I’m not using bl write function. However, if I use bl instruction to call write function, the segmentation fault does not occur; but the program fi…
Use of -g and -o options in gcc command in c programming
Suppose there are 2 c program named abc.c and xyz.c . Now we want to work with the 2 executables at a time. So we change the name of the ./a.out using Even gcc -o abc abc.c works. What does the -g and -o in the above commands specify or describe? What is the significance of -g and -o in
What is the cause of the difference in return value between Linux and Windows and how to fix it?
Here is the code that I tried to return an object of a class. but I got different results from CentOs (gcc) and visual studio 2013. In the cls.cpp, with gcc, it works well, I get the results such as detector.name = “t_name”, detector.stride = 5. but the values in the detector are “” an…
Pop function for stack has unexpected behaviour [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 6 years ago. Improve this question I was just taking lecture on behalf of my Guide and one student given this…
Undefined references when linking with gcc -lnetsnmp
I’m trying to compile and run my code on a raspberry pi which needs the snmp libraries. However, I get linking errors such as “undefined reference to ‘EVP_DigestUpdate’”. I’ve been researching this issue for the past few days and found out that this usually happens when snmp can&…
Undefined reference to process(std::__cxx11::basic_string … ) when compiling affdex linux sample applications
I encountered the following error when I tried to compile affdex sdk sample applications I’m using GCC 5.2.1 Answer My initial suspicion was that the problem is attempting to compile the apps using a newer GCC or rather GLIBCXX than what the sdk is compiled with (gcc v4.8). The error msg refers to an un…