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No source available for "__libc_start_main() " [message #783226]

Wed, 25 January 2012 10:13

Roberto Zanetto

Messages: 5
Registered: January 2012

Junior Member

When I debug this program, at the end I recive the error:

No source available for "__libc_start_main() "

#include <stdio.h>
#include <stdlib.h>

void main()
{
int num,i;
double *p;

num=5;

p=(double *) malloc (sizeof(double)*num);
if (p==NULL) printf ("error memory\n");

p[0]=1.0;
p[1]=2.0;
p[2]=3.0;
p[3]=4.0;
p[4]=5.0;

for (i=0;i<5;i++)
{
printf ("%f",p[i]);
}

free(p);
}

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Re: No source available for "__libc_start_main() " [message #783248 is a reply to message #783226]

Wed, 25 January 2012 10:55

Axel Mueller

Messages: 1973
Registered: July 2009

Senior Member

A quick search in this forum for "__libc_start_main()" would have given you an answer.

http://www.eclipse.org/forums/index.php/m/762565/?srch=__libc_start_main#msg_762565

Before you ask
- search this forum
- see the FAQ http://wiki.eclipse.org/CDT/User/FAQ
- google

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Re: No source available for "__libc_start_main() " [message #783329 is a reply to message #783226]

Wed, 25 January 2012 14:24

Roberto Zanetto

Messages: 5
Registered: January 2012

Junior Member

I do not understand how to do that is to say: nothing to do?

my program printf nothing in console window, is this problem linked to libc?

thank you

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Re: No source available for "__libc_start_main() " [message #783330 is a reply to message #783226]

Wed, 25 January 2012 14:26

Roberto Zanetto

Messages: 5
Registered: January 2012

Junior Member

excuse me, if I do two times debug, then the second time I read printf in console

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Re: No source available for "__libc_start_main() " [message #783381 is a reply to message #783329]

Wed, 25 January 2012 16:08

Axel Mueller

Messages: 1973
Registered: July 2009

Senior Member

Roberto Zanetto wrote on Wed, 25 January 2012 15:24

I do not understand how to do that is to say: nothing to do?

my program printf nothing in console window, is this problem linked to libc?

thank you

You should read the aboved mentioned forum entry more carefully (the comments from Hagen are very informative). There is no problem.

You tried to debug the function __libc_start_main() that called main(). This function is in glibc. You can install the glibc source code and then you can debug this function (if you like).

Before you ask
- search this forum
- see the FAQ http://wiki.eclipse.org/CDT/User/FAQ
- google

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