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