* Error-handling functions **************************/ $begin errorfuns */ $begin unixerror */

* Error-handling functions **************************/ $begin errorfuns */ $begin unixerror */

Output generator printing */

* sim_log dumps a formatted string to the dumpfile, if it exists * accepts variable argument list */

Terminate statement and reset indentations */

Return name of instruction given its encoding */

* unix_error - Report a Unix-style error */

Make sure argument is OK */

Is the given register ID a valid program register? */

Create string in hex/oct/binary format with leading zeros */ bpd denotes bits per digit Should be in range 1-4, bpw denotes bits per word.*/

* app_error - Report an arbitrary application error */

Report single line of pipeline state */

Create string in hex/oct/binary format with leading zeros */ bpd denotes bits per digit Should be in range 1-4, pbw denotes bits per word.*/

* malloc_error - Report an error returned by the mm_malloc package */

Report single line of stage state */

* create - creates a dimxdim image aligned to a BSIZE byte boundary */

Return the number of cycles since the last call to start_counter. */

* sim_log dumps a formatted string to the dumpfile, if it exists * accepts variable argument list */

Create new pipe with count bytes of state */ bubble_val indicates state corresponding to pipeline bubble */

Decrease indentation level */

Increase indentation level */

Record the current value of the cycle counter. */

* usage - print helpful diagnostic information */

* usage - print helpful diagnostic information */

* Signal - wrapper for the sigaction function */

Add new sample. */

* clienterror - returns an error message to the client */ $begin clienterror */

Branch logic */

Have kbest minimum measurements converged within epsilon? */

Write len least significant hex digits of value at dest. Don't null terminate */

Compute min and max of two integers, respectively */

* mm_free - Freeing a block does nothing. */

* mm_malloc - Allocate a block by incrementing the brk pointer. * Always allocate a block whose size is a multiple of the alignment. */

* usage - Print usage info */

Allocates the stack if it does not exist. * Guarantees space for at least one push. */

Allocates the stack if it does not exist. * Guarantees space for at least one push. */

* compare_pixels - Returns 1 if the two arguments don't have same RGB * values, 0 o.w. */

Convert from floating point number to bit-level representation */

Recursively generate code for function */

* get_num_val - Extract hex/decimal/or float value from string */

* mem_heap_hi - return address of last heap byte */

* mem_heap_lo - return address of the first heap byte */

* mem_reset_brk - reset the simulated brk pointer to make an empty heap */

* mm_init - initialize the malloc package. */

* mm_realloc - Implemented simply in terms of mm_malloc and mm_free */

* random_in_interval - Returns random integer in interval [low, high) */

Provide mechanism for simulator to update memory value */

Provide mechanism for simulator to update memory value */

Report system state */