/arch/ppc/kernel/find_name.c
https://bitbucket.org/evzijst/gittest · C · 48 lines · 37 code · 6 blank · 5 comment · 7 complexity · 141d195a1407e99dffd53f184a1ed842 MD5 · raw file
- #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]);
- return -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%s", last, s );
- }
- fclose(f);
- return 0;
- }