| 157 | } |
| 158 | |
| 159 | int |
| 160 | db_validate_address(vm_offset_t addr) |
| 161 | { |
| 162 | struct proc *p = curproc; |
| 163 | struct pmap *pmap; |
| 164 | |
| 165 | if (!p || !p->p_vmspace || !p->p_vmspace->vm_map.pmap || |
| 166 | #ifndef ARM32_NEW_VM_LAYOUT |
| 167 | addr >= VM_MAXUSER_ADDRESS |
| 168 | #else |
| 169 | addr >= VM_MIN_KERNEL_ADDRESS |
| 170 | #endif |
| 171 | ) |
| 172 | pmap = kernel_pmap; |
| 173 | else |
| 174 | pmap = p->p_vmspace->vm_map.pmap; |
| 175 | |
| 176 | return (pmap_extract(pmap, addr) == FALSE); |
| 177 | } |
| 178 | |
| 179 | /* |
| 180 | * Read bytes from kernel address space for debugger. |
no test coverage detected