shlib.c File Reference

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Functions
void	print_shlib_info_map (const PAPI_shlib_info_t *shinfo)
void	display (char *msg)
int	main (int argc, char **argv)

---

Function Documentation

void display

(

char *

msg

)

Definition at line 46 of file shlib.c.

{
    int i;
    for (i=0; i<64; i++)
    {
        printf( "%1d", (msg[i] ? 1 : 0) );
    }
    printf("\n");
}

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int main	(	int	argc,
		char **	argv
	)

Definition at line 57 of file shlib.c.

{
    int retval;

    const PAPI_shlib_info_t *shinfo;

    tests_quiet( argc, argv );  /* Set TESTS_QUIET variable */

    if ( ( retval =
           PAPI_library_init( PAPI_VER_CURRENT ) ) != PAPI_VER_CURRENT )
        test_fail( __FILE__, __LINE__, "PAPI_library_init", retval );

    if ( ( shinfo = PAPI_get_shared_lib_info(  ) ) == NULL ) {
        test_skip( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
    }

    if ( ( shinfo->count == 0 ) && ( shinfo->map ) ) {
        test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
    }

    print_shlib_info_map(shinfo);

    sleep( 1 );              /* Needed for debugging, so you can ^Z and stop the process, inspect /proc to see if it's right */

#ifndef NO_DLFCN
    {
        char *_libname = "libcrypt.so";
        void *handle;
        void ( *setkey) (const char *key);
        void ( *encrypt) (char block[64], int edflag);
        char key[64]={
            1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
            1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
            1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
            1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
        }; /* bit pattern for key */
        char orig[64];      /* bit pattern for messages */
        char txt[64];           /* bit pattern for messages */

        int oldcount;

        handle = dlopen( _libname, RTLD_NOW );
        if ( !handle ) {
            printf( "dlopen: %s\n", dlerror(  ) );
            printf
                ( "Did you forget to set the environmental variable LIBPATH (in AIX) or LD_LIBRARY_PATH (in linux) ?\n" );
            test_fail( __FILE__, __LINE__, "dlopen", 1 );
        }

        setkey = dlsym( handle, "setkey" );
        encrypt = dlsym( handle, "encrypt" );
        if ( setkey == NULL || encrypt == NULL) {
            printf( "dlsym: %s\n", dlerror(  ) );
            test_fail( __FILE__, __LINE__, "dlsym", 1 );
        }

        memset(orig,0,64);
        memcpy(txt,orig,64);
        setkey(key);
        
        printf("original  "); display(txt);
        encrypt(txt, 0);   /* encode */
        printf("encrypted "); display(txt);
        if (!memcmp(txt,orig,64))
            test_fail( __FILE__, __LINE__, "encode", 1 );
        encrypt(txt, 1);   /* decode */
        printf("decrypted "); display(txt);
        if (memcmp(txt,orig,64))
            test_fail( __FILE__, __LINE__, "decode", 1 );
 

        oldcount = shinfo->count;

        if ( ( shinfo = PAPI_get_shared_lib_info(  ) ) == NULL ) {
            test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
        }

        sleep( 1 );          /* Needed for debugging, so you can ^Z and stop the process, inspect /proc to see if it's right */

        if ( ( shinfo->count == 0 ) && ( shinfo->map ) ) {
            test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
        }

        if ( shinfo->count <= oldcount ) {
            test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
        }

        print_shlib_info_map(shinfo);

        sleep( 1 );          /* Needed for debugging, so you can ^Z and stop the process, inspect /proc to see if it's right */

        dlclose( handle );
    }
#endif

    test_pass( __FILE__, NULL, 0 );
    exit( 0 );
}

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void print_shlib_info_map

(

const PAPI_shlib_info_t *

shinfo

)

Definition at line 11 of file shlib.c.

{
    PAPI_address_map_t *map = shinfo->map;
    int i;
    if (NULL == map) {
        test_fail(__FILE__, __LINE__, "PAPI_get_shared_lib_info", 1);
    }

    for ( i = 0; i < shinfo->count; i++ ) {
        printf( "Library: %s\n", map->name );
        printf( "Text start: %p, Text end: %p\n", map->text_start,
                map->text_end );
        printf( "Data start: %p, Data end: %p\n", map->data_start,
                map->data_end );
        printf( "Bss start: %p, Bss end: %p\n", map->bss_start, map->bss_end );

        if ( strlen( &(map->name[0]) ) == 0 )
            test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
        if ( ( map->text_start == 0x0 ) || ( map->text_end == 0x0 ) ||
             ( map->text_start >= map->text_end ) )
            test_fail( __FILE__, __LINE__, "PAPI_get_shared_lib_info", 1 );
/*
       if ((map->data_start == 0x0) || (map->data_end == 0x0) ||
       (map->data_start >= map->data_end))
     test_fail(__FILE__, __LINE__, "PAPI_get_shared_lib_info",1);
       if (((map->bss_start) && (!map->bss_end)) ||
       ((!map->bss_start) && (map->bss_end)) ||
       (map->bss_start > map->bss_end))
     test_fail(__FILE__, __LINE__, "PAPI_get_shared_lib_info",1);
*/

        map++;
    }
}

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