1*14126Smckusick/* brk.s 4.2 83/07/26 */ 29421Smckusick 39421Smckusick#include "SYS.h" 49421Smckusick 59421Smckusick#define SYS_brk 17 69421Smckusick 79421Smckusick .globl curbrk 8*14126Smckusick .globl minbrk 99421Smckusick 10*14126SmckusickENTRY(brk) 11*14126Smckusick cmpl 4(ap),minbrk 12*14126Smckusick bgeq ok 13*14126Smckusick movl minbrk,4(ap) 14*14126Smckusickok: 15*14126Smckusick chmk $SYS_brk 16*14126Smckusick jcs err 179421Smckusick movl 4(ap),curbrk 189421Smckusick clrl r0 199421Smckusick ret 20*14126Smckusickerr: 21*14126Smckusick jmp cerror 22