diff options
Diffstat (limited to 'gdb/i386-nbsd-nat.c')
-rw-r--r-- | gdb/i386-nbsd-nat.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/gdb/i386-nbsd-nat.c b/gdb/i386-nbsd-nat.c deleted file mode 100644 index ac775c1..0000000 --- a/gdb/i386-nbsd-nat.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Native-dependent code for NetBSD/i386. - - Copyright (C) 2004-2020 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 "defs.h" -#include "gdbcore.h" -#include "regcache.h" -#include "target.h" - -#include "i386-tdep.h" -#include "i386-bsd-nat.h" - -/* Support for debugging kernel virtual memory images. */ - -#include <sys/types.h> -#include <machine/frame.h> -#include <machine/pcb.h> - -#include "nbsd-nat.h" -#include "bsd-kvm.h" - -static int -i386nbsd_supply_pcb (struct regcache *regcache, struct pcb *pcb) -{ - struct switchframe sf; - - /* The following is true for NetBSD 1.6.2: - - The pcb contains %esp and %ebp at the point of the context switch - in cpu_switch(). At that point we have a stack frame as - described by `struct switchframe', which for NetBSD 1.6.2 has the - following layout: - - interrupt level - %edi - %esi - %ebx - %eip - - 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_esp == 0) - return 0; - - read_memory (pcb->pcb_esp, (gdb_byte *)&sf, sizeof sf); - pcb->pcb_esp += sizeof (struct switchframe); - regcache->raw_supply (I386_EDI_REGNUM, &sf.sf_edi); - regcache->raw_supply (I386_ESI_REGNUM, &sf.sf_esi); - regcache->raw_supply (I386_EBP_REGNUM, &pcb->pcb_ebp); - regcache->raw_supply (I386_ESP_REGNUM, &pcb->pcb_esp); - regcache->raw_supply (I386_EBX_REGNUM, &sf.sf_ebx); - regcache->raw_supply (I386_EIP_REGNUM, &sf.sf_eip); - - return 1; -} - -static i386_bsd_nat_target<nbsd_nat_target> the_i386_nbsd_nat_target; - -void _initialize_i386nbsd_nat (); -void -_initialize_i386nbsd_nat () -{ - add_inf_child_target (&the_i386_nbsd_nat_target); - - /* Support debugging kernel virtual memory images. */ - bsd_kvm_add_target (i386nbsd_supply_pcb); -} |