Lab 3 - IDA

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<strong>Lab</strong> 3 (B): Program arguments • STEP 2: Put the string parts on the stack Necessary details about setting up the stack for this task you can find in section of 3.5.1 Program Startup Details in Pintos documentation. – Have a look at load() and setup_stack() in process.c – There is some inactive debug code there that you can use to print the stack (#define STACK_DEBUG) 24
Address Name Data Type 0xbffffffd argv[2][...] “17\0” char[3] 0xbffffffa argv[1][...] “s\0” char[3] 0xbffffff3 argv[0][...] “insult\0” char[7] 0xbffffff0 word-align - 0xbfffffec argv[3] 0 char * 0xbfffffe8 argv[2] 0xbffffffd char * 0xbfffffe4 argv[1] 0xbffffffa char * 0xbfffffe0 argv[0] 0xbffffff3 char * 0xbfffffc8 argv 0xbfffffe0 char*[4] 0xbfffffc4 argc 3 int 0xbfffffc0 return address unused void (*) ()
Page 1 and 2: TDDB68 2011 Lesson 2 Pintos Assignm
Page 3 and 4: Instead of Motivation • Some of y
Page 5 and 6: Lab 3: overview • Part A - Multip
Page 7 and 8: Exec & wait example: src/examples/s
Page 9 and 10: Part A Lab 3: Exec • pid_t exec (
Page 11 and 12: Lab 3: Exec Starting the child Pare
Page 13 and 14: Lab 3: Situations with Wait • Chi
Page 15 and 16: Lab 3: Situations with Wait • Chi
Page 17 and 18: Reference counting “poor man's ga
Page 19 and 20: Lab 3: Part B • Sometimes we want
Page 21 and 22: Lab 3: Part B • Every time you do
Page 23: Lab 3 (B): Program arguments • ST
Page 27 and 28: Lab 3 : Part C • Part C: Making t
Page 29 and 30: Bad string argument • User progra
Page 31 and 32: Lab 3 : Pointer paranoia Memory val
Page 33 and 34: Lab 4: General Description • Lab
Page 35 and 36: Lab 4: Files (2) • devices/disk.[
Page 37 and 38: Lab 4: Additional System Calls •
Page 39 and 40: Lab 4: Final Tests • For testing

Lab 3 - IDA

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