Searched refs:ustack (Results 1 – 1 of 1) sorted by relevance
15 uint argc, sz, sp, ustack[3+MAXARG+1]; in exec() local78 ustack[3+argc] = sp; in exec()80 ustack[3+argc] = 0; in exec()82 ustack[0] = 0xffffffff; // fake return PC in exec()83 ustack[1] = argc; in exec()84 ustack[2] = sp - (argc+1)*4; // argv pointer in exec()87 if(copyout(pgdir, sp, ustack, (3+argc+1)*4) < 0) in exec()