[Qemu-devel] QEMU: Illegal instruction (core dumped) when using Pthread example code

[junaidaslam1]

Hi, 

I am using a very simple Pthread code to be emulated through QEMU which is
cross compiled using ARM-GCC Compiler. When i run the program through QEMU
it gives illegal instruction (core dump) error. Can anyone help me or
enlighten me what is the reason of this message. My simple code is shown
below:


// Simple Multi-Threaded Application
#include <stdio.h>
#include <pthread.h>
void* test_threads(void* args);
int main(int argc, char *argv[])
{
        pthread_t mythreads[9];
        int i=0;
        //......................................................
        for(i=0;i<9;i++)
        {
                
if(pthread_create(&mythreads[i],NULL,(void*)&test_threads,(void*)NULL))
                {
                        printf("Error Creating thread no %d",i);
                }
        }
        for(i=0;i<9;i++)
        {
                pthread_join(mythreads[i],NULL);
        }
        //.......................................................*/
        return 0;
}
void* test_threads(void* args) // Write some Complex Functionality
{
        int value = (int)((float)(13) / 0.33f);
        return (void*) value;
}

I hope to have help soon.

Regards:
Junaid



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