Lines Matching refs:SP
45 (4k) stack is allocated. When SP moves below that for the first
47 faulting address is in the range from SP - VG_STACK_REDZONE_SZB
55 update stack permissions around SP, so we need to spot all writes
56 to SP anyway.
58 The deal is: when SP is assigned a lower value, the stack is being
61 all bytes in the area just "uncovered" by this SP change as
64 When SP goes back up, mark the area receded over as unreadable and
67 Just to record the SP boundary conditions somewhere convenient:
68 SP - VG_STACK_REDZONE_SZB always points to the lowest live byte in
69 the stack. All addresses below SP - VG_STACK_REDZONE_SZB are not
261 void VG_(stack_limits)(Addr SP, Addr *start, Addr *end )
263 Stack* stack = find_stack_by_addr(SP);
295 /* SP has changed by more than some threshold amount (by
308 "SP change: 0x%lx --> 0x%lx\n", old_SP, new_SP);