diff options
Diffstat (limited to 'gdb/sparc64nbsd-nat.c')
| -rw-r--r-- | gdb/sparc64nbsd-nat.c | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/gdb/sparc64nbsd-nat.c b/gdb/sparc64nbsd-nat.c deleted file mode 100644 index a991d0e..0000000 --- a/gdb/sparc64nbsd-nat.c +++ /dev/null @@ -1,207 +0,0 @@ -/* Native-dependent code for UltraSPARC systems running NetBSD. - Copyright 2002 Free Software Foundation, Inc. - Contributed by Wasabi Systems, 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 2 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "inferior.h" -#include "regcache.h" - -#include "sparcnbsd-tdep.h" - -#include <sys/types.h> -#include <sys/ptrace.h> -#include <machine/reg.h> - -/* NOTE: We don't bother with any of the deferred_store nonsense; it - makes things a lot more complicated than they need to be. */ - -/* Determine if PT_GETREGS fetches this register. */ -static int -getregs_supplies (int regno) -{ - /* FIXME: PS_REGNUM for 32-bit code. */ - return (regno == TSTATE_REGNUM - || regno == PC_REGNUM - || regno == NPC_REGNUM - || regno == Y_REGNUM - || (regno >= G0_REGNUM && regno <= G7_REGNUM) - || (regno >= O0_REGNUM && regno <= O7_REGNUM) - /* stack regs (handled by sparcnbsd_supply_reg) */ - || (regno >= L0_REGNUM && regno <= I7_REGNUM)); -} - -/* Determine if PT_GETFPREGS fetches this register. */ -static int -getfpregs_supplies (int regno) -{ - return ((regno >= FP0_REGNUM && regno <= (FP0_REGNUM + 47)) - || regno == FPS_REGNUM); -} - -void -fetch_inferior_registers (int regno) -{ - /* We don't use deferred stores. */ - if (deferred_stores) - internal_error (__FILE__, __LINE__, - "fetch_inferior_registers: deferred stores pending"); - - if (regno == -1 || getregs_supplies (regno)) - { - union { - struct reg32 regs32; - struct reg64 regs64; - } regs; - - if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) ®s, 0) == -1) - perror_with_name ("Couldn't get registers"); - - if (gdbarch_ptr_bit (current_gdbarch) == 32) - sparcnbsd_supply_reg32 ((char *) ®s.regs32, regno); - else - sparcnbsd_supply_reg64 ((char *) ®s.regs64, regno); - if (regno != -1) - return; - } - - if (regno == -1 || getfpregs_supplies (regno)) - { - union { - struct fpreg32 fpregs32; - struct fpreg64 fpregs64; - } fpregs; - - if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) - perror_with_name ("Couldn't get floating point registers"); - - if (gdbarch_ptr_bit (current_gdbarch) == 32) - sparcnbsd_supply_fpreg32 ((char *) &fpregs.fpregs32, regno); - else - sparcnbsd_supply_fpreg64 ((char *) &fpregs.fpregs64, regno); - if (regno != -1) - return; - } -} - -void -store_inferior_registers (int regno) -{ - /* We don't use deferred stores. */ - if (deferred_stores) - internal_error (__FILE__, __LINE__, - "store_inferior_registers: deferred stores pending"); - - if (regno == -1 || getregs_supplies (regno)) - { - union { - struct reg32 regs32; - struct reg64 regs64; - } regs; - - if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) ®s, 0) == -1) - perror_with_name ("Couldn't get registers"); - - if (gdbarch_ptr_bit (current_gdbarch) == 32) - sparcnbsd_fill_reg32 ((char *) ®s.regs32, regno); - else - sparcnbsd_fill_reg64 ((char *) ®s.regs64, regno); - - if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) ®s, 0) == -1) - perror_with_name ("Couldn't write registers"); - - /* Deal with the stack regs. */ - if (regno == -1 || regno == SP_REGNUM - || (regno >= L0_REGNUM && regno <= I7_REGNUM)) - { - CORE_ADDR sp = read_register (SP_REGNUM); - int i; - char buf[8]; - - if (sp & 1) - { - /* Registers are 64-bit. */ - sp += 2047; - - for (i = L0_REGNUM; i <= I7_REGNUM; i++) - { - if (regno == -1 || regno == SP_REGNUM || regno == i) - { - regcache_collect (i, buf); - target_write_memory (sp + ((i - L0_REGNUM) * 8), - buf, sizeof (buf)); - } - } - } - else - { - /* Registers are 32-bit. Toss any sign-extension of the stack - pointer. - - FIXME: We don't currently handle 32-bit code in a binary - that indicated LP64. Do we have to care about that? */ - if (gdbarch_ptr_bit (current_gdbarch) != 32) - internal_error - (__FILE__, __LINE__, - "store_inferior_registers: 32-bit code in 64-bit inferior"); - - sp &= 0xffffffffUL; - for (i = L0_REGNUM; i <= I7_REGNUM; i++) - { - if (regno == -1 || regno == SP_REGNUM || regno == i) - { - regcache_collect (i, buf); - target_write_memory (sp + ((i - L0_REGNUM) * 4), buf, 4); - } - } - } - } - - if (regno != -1) - return; - } - - if (regno == -1 || getfpregs_supplies (regno)) - { - union { - struct fpreg32 fpregs32; - struct fpreg64 fpregs64; - } fpregs; - - if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) - perror_with_name ("Couldn't get floating point registers"); - - if (gdbarch_ptr_bit (current_gdbarch) == 32) - sparcnbsd_fill_fpreg32 ((char *) &fpregs.fpregs32, regno); - else - sparcnbsd_fill_fpreg64 ((char *) &fpregs.fpregs64, regno); - - if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) &fpregs, 0) == -1) - perror_with_name ("Couldn't write floating point registers"); - - if (regno != -1) - return; - } -} |