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#include <stdio.h>
#include <asm/page.h>
#include <sys/mman.h>
#include <strings.h>
/*
* Finds a given address in the System.map and prints it out
* with its neighbors. -- Cort
*/
int main(int argc, char **argv)
{
unsigned long addr, cmp, i;
FILE *f;
char s[256], last[256];
if ( argc < 2 )
{
fprintf(stderr, "Usage: %s <address>\n", argv[0]);
exit(-1);
}
for ( i = 1 ; argv[i] ; i++ )
{
sscanf( argv[i], "%0lx", &addr );
/* adjust if addr is relative to kernelbase */
if ( addr < PAGE_OFFSET )
addr += PAGE_OFFSET;
if ( (f = fopen( "System.map", "r" )) == NULL )
{
perror("fopen()\n");
exit(-1);
}
while ( !feof(f) )
{
fgets(s, 255 , f);
sscanf( s, "%0lx", &cmp );
if ( addr < cmp )
break;
strcpy( last, s);
}
printf( "%s", last);
}
fclose(f);
return 0;
}
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