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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [sparc64fbsd-nat.c] - Rev 535
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/* Native-dependent code for FreeBSD/sparc64. Copyright (C) 2003, 2004, 2005, 2007, 2008 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 "regcache.h" #include "target.h" #include "fbsd-nat.h" #include "sparc64-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 sparc64fbsd_kvm_supply_pcb (struct regcache *regcache, struct pcb *pcb) { /* The following is true for FreeBSD 5.4: The pcb contains %sp and %pc. Since the register windows are explicitly flushed, we can find the `local' and `in' registers on the stack. */ /* The stack pointer shouldn't be zero. */ if (pcb->pcb_sp == 0) return 0; regcache_raw_supply (regcache, SPARC_SP_REGNUM, &pcb->pcb_sp); regcache_raw_supply (regcache, SPARC64_PC_REGNUM, &pcb->pcb_pc); /* Synthesize %npc. */ pcb->pcb_pc += 4; regcache_raw_supply (regcache, SPARC64_NPC_REGNUM, &pcb->pcb_pc); /* Read `local' and `in' registers from the stack. */ sparc_supply_rwindow (regcache, pcb->pcb_sp, -1); return 1; } /* Provide a prototype to silence -Wmissing-prototypes. */ void _initialize_sparc64fbsd_nat (void); void _initialize_sparc64fbsd_nat (void) { struct target_ops *t; /* Add some extra features to the generic SPARC target. */ t = sparc_target (); t->to_pid_to_exec_file = fbsd_pid_to_exec_file; t->to_find_memory_regions = fbsd_find_memory_regions; t->to_make_corefile_notes = fbsd_make_corefile_notes; add_target (t); sparc_gregset = &sparc64fbsd_gregset; /* Support debugging kernel virtual memory images. */ bsd_kvm_add_target (sparc64fbsd_kvm_supply_pcb); }
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