Programming :: Library Linking - ELF File OS ABI Invalid Error
May 6, 2010
[root@shankar-lx src1]# make
gcc -c main.c
gcc -c database.c
gcc -c e_sqlite.c
gcc -o TEST main.o database.o e_sqlite.o /usr/local/lib/libsqlite3.so.0.8.6 -w -lpthread
[root@shankar-lx src1]# ./TEST
./TEST: error while loading shared libraries: /usr/lib/libsqlite3.so.0: ELF file OS ABI invalid
My application compiled well but when try to run, it is giving ELF file OS ABI invalid ERROR. What is this error.
Kernel version is 2.4-18
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Apr 18, 2010
I have written an OpenGL based program which uses i.a. libjpeg that I want to link statically so I can send it to someone who doesn't have all the libraries needed installed to allow for a dynamically linked executable to run. As such I tried with giving the [b]-static[b] parameter to gcc.
Code:
x86_1$ make
gcc -O3 -c jpegloader.c
gcc --std=c99 -O3 -c --std=c99 -I/usr/include -L/usr/X11R6/lib main.c
[code].....
Why would gcc claim that I'm missing GLUT? This works perfectly fine when I do dynamic linking -- i.e. omitting the -static argument.
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Jun 10, 2010
There's a problem with static linking (and no problems with dynamic linking).
Here's my code:
Quote:
And makefile rule:
Quote:
That's dynamic linking. And it works perfectly. If i use static linking
Quote:
There is an undefined reference error:
Quote:
As nm shows there's a symbol named BuzzerInit in static library.
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Jan 9, 2011
I tried to link my executable program with 2 static libraries using g++. The 2 static libraries have the same function name. I'm expecting a "multiple definition" linking error from the linker, but I did not received.
Code:
//staticLibA.h
#ifndef _STATIC_LIBA_HEADER
#define _STATIC_LIBA_HEADER
int hello(void);
[code]....
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Apr 13, 2011
I am creating two shared libs that i intend to be dynamically linkable in C and C++, cross platform Linux/Windows/Mac. As a basic sketch, true for both libs, the lib code is in several .c/.cpp and .h files. For now, I'll talk about the part that I am actively working on, a lib named Discover, i.e. libdiscover.so.1.0. First, everything is in a namespace, RemKon_Discover.
The main Discover.cpp defines the methods for the Discover class (declared in Discover.h) and has extern "C' routines that can return pointers to my main c++ object. The call to GetLibraryMainPointer() creates a Discover class object, theMainObject (ok, I win a prize for dumb names) and returns the (non-mangled) pointer to the caller over in my test program. The Discover class itself is declared extern "c" and the tester program #includes "Discover.h".
In the test program, dlopen() correctly opens the lib and dlsym() gets the pointer to theMainObject. However, when I use that pointer in the tester program to access a method (aDiscoverObject->hello(), e.g.) I get compile time errors saying that Discover::hello() in an undefined reference. My makefile is attached.
[Code]....
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May 8, 2010
I've created 3 files: swap.h and swap.c then make static library from it
Code:
Then I write 2 program to test this library: test_swap.c and test_swap.cpp
I compile
Code:
What's wrong with this in C++? And how can I make a library that can work both for any C and C++ program?
Here the source code
Code:
Code:
Code:
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Aug 25, 2010
I have just started using Valgrind,which really is great. Most of the reported errors look kinda weird, though I can't really understand what's going on here, for example:
==00:00:02:52.033 7754== Invalid read of size 4
==00:00:02:52.033 7754== at 0x80B0987: MyCls::MyPrintf(long, char*, ...) (MyCls.cpp:270) ...
==00:00:02:52.033 7754== Address 0x47a5ee8 is 0 bytes after a block of size 296 alloc'd ...
==00:00:02:52.033 7754== by 0x809A6C1: ClsMain::taskRun(int, char**) (ClsMain.cpp:177)
==00:00:02:52.033 7754== by 0x816CFE8: main (main-C.cpp:2060)
==7754== ---- Attach to debugger ? --- [Return/N/n/Y/y/C/c] ---- Y
==00:00:02:57.410 7754== starting debugger with cmd: /usr/bin/gdb -nw /proc/7765/fd/1014 7765
GNU gdb Red Hat Linux (6.5-25.el5rh)
Copyright (C) 2006 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as
"i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
Attaching to program: /proc/7765/fd/1014, process 7765
MyCls::MyPrintf (this=0x47a5dc0, iPrm=3,
sMsg=0x6974320 "blablabla"...) at MyCls.cpp:270
270 cout<<endl<<"m_FilePtr="<<hex<<m_FilePtr<<dec<<endl;
Basically, Valgrind reported the "Invalid Read" error at line 270 of file MyCls.cpp, which is simply a cout of the m_FilePtr variable, which is a member variable of the MyCls class. It's a FILE* variable I use to write repeatedly on a text file. The address reported (0x47a5ee8) is 296 bytes after the "this" pointer (0x47a5dc0),as Valgrind correctly tells me but I honestly don't understand that. And of course, I need to read that variable, not only for the cout (indeed,the error is reported at every reading attempt). Besides, the application doesn't crash, but still I would like to understand if I really have to worry about this "error".
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Aug 3, 2010
Essentially my ksh script calls a program and passes some commands. It's entering the program just fine, but when it passes the commands it gets "invalid command" error, and loops for a bit.
When I run all the steps manually the program works fine. I turned debug on and see that it enters the program, cmbview, but for whatever reason, it fails on any command that it tries to parse.
Tried running it in a ksh shell, same error. Tried running it as bash shell, same error.
The cmbview exe works and the following commands work, so I can only assume its something with the script parsing the commands.
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May 8, 2010
I have 3 files: main.c, mylib.h, mylib.c Now I want to put mylib.h into : /usr/include/mydir/mylib.h And I create a static library: libmylib.a, and put into the folder: /usr/lib/mydir/libmylib.a Then I compile: $ gcc -o main main.c Then I got linking error
Code:
main.c:(.text+0x3e): undefined reference to `extract_v1'
main.c:(.text+0x7b): undefined reference to `modify_v1'
collect2: ld returned 1 exit status
So I try with -l options: $ gcc -o main main.c -lmylib I still got error
Code:
/usr/bin/ld: cannot find -lmylib
collect2: ld returned 1 exit status
Any idea about this?
Also, I want to ask about: how to create my own header and library to put into /usr/include/mylib/ and /usr/lib/mylib/, so when I use function in my program, the compiler will automatically link to library. It's like when you #include <stdio.h>, and you compile: $ gcc -o program program.c, you don't need to specify any linking folder or library.
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Aug 5, 2010
hey dude error in gnu c pointer
I am using Red Hat Enterprise Linux 5.0.
#include <stdio.h>
#include <stdlib.h>
int main()
{
char * cp = NULL;
[Code].....
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Apr 24, 2011
So I've been writing a code and I have been adding functions to make life easy, but all of a sudden when i added the last function I got this error *** glibc detected *** /home/ahzeeper/Desktop/C-code/check6: free(): invalid next size (fast): 0x0804c048 ***followed by a huge backtraceNow here is my code
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
[code]...
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Mar 24, 2009
can anyone provide me with the path where i can find the library files. stdio.h, sys/types.h.......
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Aug 22, 2011
It is a digital simulation program that works with QUCS which is anelectrical circuit simulator.I can compile it and install it using the normal:
./configure
make
sudo make install
[code]....
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Sep 23, 2015
Just installed Debian 8 last night and trying to run one a few of my scripts that use easygui (a front-end for python-tk basically) and I keep getting alloc: invalid block any time a file or folder selection dialog is presented. I'm able to select a file/folder with no issues, but once the dialog closes I get a variation of what appears to be a memory error followed by alloc: invalid block.
Here's one of my scripts that does it. This one pops up a file selection dialog pretty early on to ask for a file to check, and as soon as I select any file the dialog closes and that error appears in the terminal. It happens whether I run it with Python 2 or Python 3. You will need to install python3-easygui for this script to run properly if you want to check for yourself what happens. This is a first time encountering this error for me.
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Jan 16, 2010
insmod: error inserting 'kernel.ko': -1 Invalid parametersI am getting this error when i am try to insert kernel.ko into kernelMy systemfedora 12 with gcc 4.4.2insmod kernel.koinsmod: error inserting 'kernel.ko': -1 Invalid parametersmy program
__________________kernel.c________________________ ___________
#include <linux/module.h> /* Needed by all modules */
#include <linux/kernel.h> /* Needed for KERN_INFO */
[code].....
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Sep 16, 2010
I am trying to run i386 in gcc_test-suite using dejagnu runtest and it fails with error given below. I can see that gcc-dg.exp is in folder gcc-4.6-20100911/gcc/testsuite/lib, but runtest is not searching in this folder.
how to resolve this issue and run only i386 tests.
$ cd /gcc-4.6-20100911/gcc/testsuite/gcc.target
$ runtest -a -tool i386 -verbose
....
....
Looking for library file /usr/local/share/dejagnu/lib/gcc-dg.exp
[Code].....
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Nov 19, 2008
I'm having a bit of trouble with a regular expression I'm trying to write and I'm not sure if it's something Tcl specific or my lack of regexp understanding.
[Code]...
I get a number of strings passed to a proc in the format 3|x where x is a number, either 0 or within the range 5-12. My understanding is that that regexp will match the literal '3' followed by a '|', the escapes the special meaning of |, and then 0 or, because of |, a number within the range 5-12. However I'm getting the error 'couldn't compile regular expression pattern: invalid character range'.
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Jul 19, 2011
I wrote a test program for learning usage of realloc() and I thin I did everything right but I get this error exactly with my 4th time that while tries to reallocate memory in MakeDSt function for DSt->SArray:
Quote:
realloc(): invalid next size
this is my complete code :
Code:
#include <stdio.h>
#include <stdlib.h>
typedef struct DRA
{
code....
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Apr 7, 2009
I'm reading about shared, static, and dynamic libraries. What is SDL? Is it static, shared, or dynamic?
I always thought a library would be a lot of .h and .cpp files compiled separately into .o files and then if you compiled your own program you could use the -l parameter to link the library and it was all compiled together. Now I'm not so sure.
I don't even see any SDL .cpp files in my system anywhere. All I have are lots of SDL .h files in /usr/include/SDL and I don't really understand the code in them.
I'm making a wild guess here: SDL is a shared library. SDL itself is NOT compiled into my program, therefore SDL must be on any system my program tries to run on. When I compile and link SDL all it needs is the header files to know what SDL function and objects it can use. And then on every system it uses an already compiled SDL shared library thingy somewhere.
So... where is that part of SDL? All I can find are header files.
I'm thinking the advantage of shared libraries is that someone could say update SDL on their own system and take advantage of the new features without having to download new executables with the new version of SDL compiled into them for every program that uses SDL.
So if I'm making an editor and a game engine and they both use a lot of the same .cpp and .h files that I wrote and I'm tired of updating one and then the other and I need to turn them into a library, then a shared library might be kind of a silly solution. I could just make a static library. Right? Because it's not SDL. Nobody else is ever going to use this library.
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Aug 31, 2011
I have a weird problem with one of my servers (normal PC hardware). I was connected remotely using Putty, doing some stuff, and all of the sudden some commands, like "ls" stopped working, giving a "file or command not found" type of message. I restarted the ssh session, only to find out I couldn't log on any more (access denied). When I got home and rebooted the system, I was greeted with this:Booting 'CentOS (2.6.18-194.el5xen)'root (hd0,0)Filesystem type is ext2fs, partition type 0x83kernel /boot/xen.gz-2.6. 18-194.el5Error 15: File not foundPress any key to continue...Then I searched about this, found out that the files in /boot/grub/menu.lst did not exist at the specified location (/boot/xen.gz-2.6. 18-194.el5). Somehow I managed to find them in another place, copied them in place, and now I get:Error 13: Invalid or unsupported executable format
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Apr 26, 2011
Every time I try to set to standard.(cautious|medium|advanced) I get Apr 26 17:20:59.960 7f7faff15700 Fatal error: can't load actions file '/etc/privoxy/match-all.action': invalid line (9): { +standard.Cautious } /
or something similar. No additional help is available in the docs. So i try to use http://p.p (i.e. config.privoxy.org), and click on [URL]... expecting to get the three mode buttons. It just returns to p.p.
I already set the three edit vars to allow remote editing etc.So I looked in the top 15 Google hits for "Privoxy standard.Cautious". Apparently, nobody else knows how to do this either even tried launching firefox in root. but I'm getting kind-of frustrated with the writers/maintainers of Privoxy 3.
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Apr 29, 2010
I have a C code and assembly (nasm) code and I am not able to find how to link them each other. Here are the codes :
NASM side:
Code:
global_maxofthree
section .text
_maxofthree:
[code]....
I am using ubuntu 9.10 and my NASM version 2.05.01 compiled on Nov 5 2008.
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Apr 11, 2010
This is probably a really stupid thing to ask considering the development I'm doing (effectivly creating a virus scanner), but how do I link classes/cpp files?I have 3 applications/sections that I can compile/combine with a makefile, that's fine, but I need them to run 1, 2, 3 once the output from the makefile is done.Currently the only section to actually run is whichever I have "main" in and obviously if I put that into all three, they won't compile as one.I've been looking all over the place at all sorts, header files and such, but there is no mention of how toually do this although I'm sure it must be possible. I'm used to being able to do this in Java and I'm sure I've seen C++ applications do it, but not worked out how.I have 3x .cpp files which are combined into one using a makefile:
Code:
# Virus Scanner
scanner.out : ProgramList.o MD5Hash.o HazardCheck.o
[code]...
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Dec 11, 2010
I am trying to build an application that must link with python so as to load a python module during runtime.I have this makefile :
Code:
[alex@iskandhar src]$ cat Makefile
CFLAGS = -Wall -O3 -I ../../../SPOOLES.2.2 -DARCH="Linux" -DSPOOLES -DARPACK
[code]....
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Oct 5, 2010
I have a really simple program trying to use XInput2.h, which fails on linking
Code:
#include <X11/extensions/XInput2.h>
int main(){
Display *XSession = XOpenDisplay(NULL);
int OriginScreen = 0;
int pID = 7;
[Code]....
I'm at a loss about what to do. Replacing XIWarpPointer by XWarpPointer and removing the pID argument solves it, but is not an option (no input ID).
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May 27, 2010
I am trying to add some function to the c++ project (calling function) and the called function are in C. And i am getting error "undefined reference to "Hello(int,int)" " while linking. It is compiling correctly. It is linking to header file mention in the calling function. This header file has definition to the c - called function. Do you thinking having c files into C++ project will be a problem? Should I remove <stdio.h> in c files?
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Oct 28, 2010
I have a question about shared objects and when mapping and linking is established in the following code...Well more of a verification.
getsetx.c - shared object source code Code: unsigned long x = 0;
unsigned long getx(void)
{
return x;
}
[Code].....
Now its my understanding when I execute ./testit, getsetx.so will get mapped into its address space at start up and testit will link any functions as they are needed..
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Mar 13, 2011
compiling and linking using gcc: What does a file name with a suffix '.a' represent? If I have multiple .c and .h files, how can I link them together? How can I create the .a file?
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Jan 22, 2011
I have set up Eclipse + CDT on an Arch 2010.05 install. I set up an eclipse project and added SDL as a dependency (see below):
Project -> Properties
* -> GCC C++ Compiler -> Preprocessor -> main=SDL_main
* -> GCC C++ Linker -> Libraries -> SDLmain SDL (in that order top to bottom)
* -> GCC C++ Linker -> Libraries -> Library Search Path -> /usr/lib/ (I verified that libSDL.a and libSDLmain.a are there)
This is the code I'm compiling. It's designed to just be a hello world style SDL app to see that everything is working.
[Code]...
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Nov 18, 2009
How can we convert a dynamic library (filename.so) to a static library (filename.a) using gnu gcc . Can we get a static library form a dynamic library . I saw a few post in which the conversion form a static library to a dynamic library is mentioned but, unfortunately, not the other way.
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