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* x86-64-tdep.h (amd64nbsd_r_reg_offset): Add extern declarations. * amd64nbsd-tdep.c: New file. * amd64nbsd-nat.c: New file. * amd64bsd-nat.c: New file. * config/i386/nbsd64.mh: New file. * config/i386/nbsd64.mt: New file. * configure.host: Add x86_64-*-netbsd*. * configure.tgt: Add x86_64-*-netbsd*. * Makefile.in (amd64bsd-nat.o, amd64nbsd-nat.o, amd64nbsd-tdep.o): New targets. * NEWS (New native configurations): Mention NetBSD/amd64.cagney_bigcore-20040122-branch
Mark Kettenis
23 years ago
11 changed files with 344 additions and 0 deletions
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/* Native-dependent code for AMD64 BSD's.
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Copyright 2003 Free Software Foundation, Inc. |
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This file is part of GDB. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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#include "defs.h" |
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#include "inferior.h" |
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#include "regcache.h" |
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/* We include <signal.h> to make sure `struct fxsave64' is defined on
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NetBSD, since NetBSD's <machine/reg.h> needs it. */ |
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#include "gdb_assert.h" |
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#include <signal.h> |
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#include <sys/types.h> |
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#include <sys/ptrace.h> |
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#include <machine/reg.h> |
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#include "x86-64-tdep.h" |
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#include "amd64-nat.h" |
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/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
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for all registers (including the floating-point registers). */ |
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void |
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fetch_inferior_registers (int regnum) |
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{ |
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if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) |
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{ |
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struct reg regs; |
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) ®s, 0) == -1) |
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perror_with_name ("Couldn't get registers"); |
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amd64_supply_native_gregset (current_regcache, ®s, -1); |
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if (regnum != -1) |
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return; |
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} |
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if (regnum == -1 || regnum >= X86_64_ST0_REGNUM) |
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{ |
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struct fpreg fpregs; |
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1) |
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perror_with_name ("Couldn't get floating point status"); |
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x86_64_supply_fxsave (current_regcache, -1, &fpregs); |
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} |
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} |
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/* Store register REGNUM back into the inferior. If REGNUM is -1, do
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this for all registers (including the floating-point registers). */ |
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void |
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store_inferior_registers (int regnum) |
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{ |
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if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) |
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{ |
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struct reg regs; |
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if (ptrace (PT_GETREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) ®s, 0) == -1) |
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perror_with_name ("Couldn't get registers"); |
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amd64_collect_native_gregset (current_regcache, ®s, regnum); |
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if (ptrace (PT_SETREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) ®s, 0) == -1) |
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perror_with_name ("Couldn't write registers"); |
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if (regnum != -1) |
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return; |
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} |
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if (regnum == -1 || regnum >= X86_64_ST0_REGNUM) |
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{ |
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struct fpreg fpregs; |
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if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1) |
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perror_with_name ("Couldn't get floating point status"); |
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x86_64_fill_fxsave ((char *) &fpregs, regnum); |
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if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid), |
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(PTRACE_ARG3_TYPE) &fpregs, 0) == -1) |
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perror_with_name ("Couldn't write floating point status"); |
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} |
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} |
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/* Native-dependent code for NetBSD/amd64.
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Copyright 2003 Free Software Foundation, Inc. |
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This file is part of GDB. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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#include "defs.h" |
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#include "gdb_assert.h" |
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#include "x86-64-tdep.h" |
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#include "amd64-nat.h" |
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/* Mapping between the general-purpose registers in NetBSD/amd64
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`struct reg' format and GDB's register cache layout for |
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NetBSD/i386. |
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Note that most (if not all) NetBSD/amd64 registers are 64-bit, |
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while the NetBSD/i386 registers are all 32-bit, but since we're |
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little-endian we get away with that. */ |
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/* From <machine/reg.h>. */ |
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static int amd64nbsd32_r_reg_offset[] = |
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{ |
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14 * 8, /* %eax */ |
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3 * 8, /* %ecx */ |
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2 * 8, /* %edx */ |
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13 * 8, /* %ebx */ |
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24 * 8, /* %esp */ |
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12 * 8, /* %ebp */ |
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1 * 8, /* %esi */ |
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0 * 8, /* %edi */ |
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21 * 8, /* %eip */ |
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23 * 8, /* %eflags */ |
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-1, /* %cs */ |
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-1, /* %ss */ |
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18 * 8, /* %ds */ |
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17 * 8, /* %es */ |
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16 * 8, /* %fs */ |
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15 * 8 /* %gs */ |
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}; |
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/* Provide a prototype to silence -Wmissing-prototypes. */ |
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void _initialize_amd64nbsd_nat (void); |
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void |
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_initialize_amd64nbsd_nat (void) |
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{ |
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amd64_native_gregset32_reg_offset = amd64nbsd32_r_reg_offset; |
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amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64nbsd32_r_reg_offset); |
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amd64_native_gregset64_reg_offset = amd64nbsd_r_reg_offset; |
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} |
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/* Target-dependent code for NetBSD/amd64.
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Copyright 2003 Free Software Foundation, Inc. |
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This file is part of GDB. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. */ |
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#include "defs.h" |
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#include "arch-utils.h" |
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#include "frame.h" |
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#include "gdbcore.h" |
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#include "osabi.h" |
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#include "gdb_assert.h" |
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#include "nbsd-tdep.h" |
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#include "x86-64-tdep.h" |
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/* Support for signal handlers. */ |
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/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
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routine, return the address of the associated sigcontext structure. */ |
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static CORE_ADDR |
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amd64nbsd_sigcontext_addr (struct frame_info *next_frame) |
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{ |
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CORE_ADDR sp; |
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/* The stack pointer points at `struct sigcontext' upon entry of a
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signal trampoline. */ |
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sp = frame_unwind_register_unsigned (next_frame, X86_64_RSP_REGNUM); |
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return sp; |
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} |
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/* NetBSD 2.0 or later. */ |
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/* Mapping between the general-purpose registers in `struct reg'
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format and GDB's register cache layout. */ |
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/* From <machine/reg.h>. */ |
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int amd64nbsd_r_reg_offset[] = |
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{ |
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14 * 8, /* %rax */ |
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13 * 8, /* %rbx */ |
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3 * 8, /* %rcx */ |
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2 * 8, /* %rdx */ |
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1 * 8, /* %rsi */ |
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0 * 8, /* %rdi */ |
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12 * 8, /* %rbp */ |
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24 * 8, /* %rsp */ |
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4 * 8, /* %r8 .. */ |
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5 * 8, |
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6 * 8, |
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7 * 8, |
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8 * 8, |
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9 * 8, |
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10 * 8, |
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11 * 8, /* ... %r15 */ |
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21 * 8, /* %rip */ |
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23 * 8, /* %eflags */ |
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18 * 8, /* %ds */ |
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17 * 8, /* %es */ |
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16 * 8, /* %fs */ |
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15 * 8 /* %gs */ |
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}; |
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static void |
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amd64nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) |
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{ |
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); |
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int *sc_reg_offset; |
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int i; |
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/* Initialize general-purpose register set details first. */ |
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tdep->gregset_reg_offset = amd64nbsd_r_reg_offset; |
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tdep->gregset_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset); |
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tdep->sizeof_gregset = 26 * 8; |
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x86_64_init_abi (info, gdbarch); |
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tdep->jb_pc_offset = 7 * 8; |
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/* NetBSD has its own convention for signal trampolines. */ |
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set_gdbarch_pc_in_sigtramp (gdbarch, nbsd_pc_in_sigtramp); |
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/* Initialize the array with register offsets in `struct
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sigcontext'. This `struct sigcontext' has an sc_mcontext member |
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at offset 32, and in <machine/reg.h> we have an explicit comment |
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saying that `struct reg' is the same as mcontext.__gregs. */ |
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tdep->sc_num_regs = ARRAY_SIZE (amd64nbsd_r_reg_offset); |
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tdep->sc_reg_offset = XCALLOC (tdep->sc_num_regs, int); |
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for (i = 0; i < tdep->sc_num_regs; i++) |
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{ |
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if (amd64nbsd_r_reg_offset[i] < 0) |
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tdep->sc_reg_offset[i] = -1; |
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else |
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tdep->sc_reg_offset[i] = 32 + amd64nbsd_r_reg_offset[i]; |
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} |
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tdep->sigcontext_addr = amd64nbsd_sigcontext_addr; |
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} |
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/* Provide a prototype to silence -Wmissing-prototypes. */ |
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void _initialize_amd64nbsd_tdep (void); |
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void |
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_initialize_amd64nbsd_ndep (void) |
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{ |
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/* The NetBSD/amd64 native dependent code makes this assumption. */ |
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gdb_assert (ARRAY_SIZE (amd64nbsd_r_reg_offset) == X86_64_NUM_GREGS); |
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gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, |
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GDB_OSABI_NETBSD_ELF, amd64nbsd_init_abi); |
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} |
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@ -0,0 +1,7 @@ |
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# Host: NetBSD/amd64 |
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XM_FILE= xm-i386.h |
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NAT_FILE= nm-nbsd.h |
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# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make. |
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NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o amd64-nat.o amd64bsd-nat.o amd64nbsd-nat.o |
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# Target: NetBSD/amd64 |
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TDEPFILES= x86-64-tdep.o amd64nbsd-tdep.o i386-tdep.o i387-tdep.o nbsd-tdep.o |
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