| /* Native-dependent code for NetBSD/sparc. |
| |
| Copyright (C) 2002-2024 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "regcache.h" |
| #include "target.h" |
| |
| #include "sparc-tdep.h" |
| #include "sparc-nat.h" |
| |
| /* Support for debugging kernel virtual memory images. */ |
| |
| #include <sys/types.h> |
| #include <machine/pcb.h> |
| |
| #include "bsd-kvm.h" |
| |
| static int |
| sparc32nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) |
| { |
| /* The following is true for NetBSD 1.6.2: |
| |
| The pcb contains %sp, %pc, %psr and %wim. From this information |
| we reconstruct the register state as it would look when we just |
| returned from cpu_switch(). */ |
| |
| /* The stack pointer shouldn't be zero. */ |
| if (pcb->pcb_sp == 0) |
| return 0; |
| |
| regcache->raw_supply (SPARC_SP_REGNUM, &pcb->pcb_sp); |
| regcache->raw_supply (SPARC_O7_REGNUM, &pcb->pcb_pc); |
| regcache->raw_supply (SPARC32_PSR_REGNUM, &pcb->pcb_psr); |
| regcache->raw_supply (SPARC32_WIM_REGNUM, &pcb->pcb_wim); |
| regcache->raw_supply (SPARC32_PC_REGNUM, &pcb->pcb_pc); |
| |
| sparc_supply_rwindow (regcache, pcb->pcb_sp, -1); |
| |
| return 1; |
| } |
| |
| static sparc_target<inf_ptrace_target> the_sparc_nbsd_nat_target; |
| |
| void _initialize_sparcnbsd_nat (); |
| void |
| _initialize_sparcnbsd_nat () |
| { |
| sparc_gregmap = &sparc32nbsd_gregmap; |
| sparc_fpregmap = &sparc32_bsd_fpregmap; |
| |
| add_inf_child_target (&sparc_nbsd_nat_target); |
| |
| /* Support debugging kernel virtual memory images. */ |
| bsd_kvm_add_target (sparc32nbsd_supply_pcb); |
| } |