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Diffstat (limited to 'gdb/i386mach-nat.c')
| -rw-r--r-- | gdb/i386mach-nat.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/gdb/i386mach-nat.c b/gdb/i386mach-nat.c deleted file mode 100644 index 6d4980be4c6..00000000000 --- a/gdb/i386mach-nat.c +++ /dev/null @@ -1,172 +0,0 @@ -/* Native dependent code for Mach 386's for GDB, the GNU debugger. - Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1995, 1996, 1999, 2000, - 2001 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 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 "frame.h" -#include "inferior.h" -#include "gdbcore.h" -#include "regcache.h" - -#include <sys/param.h> -#include <sys/dir.h> -#include <sys/user.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <fcntl.h> - -#include <sys/ptrace.h> -#include <machine/reg.h> - -#include <sys/file.h> -#include "gdb_stat.h" -#include <sys/core.h> - -static void fetch_core_registers (char *, unsigned, int, CORE_ADDR); - -void -fetch_inferior_registers (int regno) -{ - struct regs inferior_registers; - struct fp_state inferior_fp_registers; - - registers_fetched (); - - ptrace (PTRACE_GETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) & inferior_registers); - ptrace (PTRACE_GETFPREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) & inferior_fp_registers); - - memcpy (registers, &inferior_registers, sizeof inferior_registers); - - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], - inferior_fp_registers.f_st, - sizeof inferior_fp_registers.f_st); - memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], - &inferior_fp_registers.f_ctrl, - sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); -} - -/* Store our register values back into the inferior. - If REGNO is -1, do this for all registers. - Otherwise, REGNO specifies which register (so we can save time). */ - -void -store_inferior_registers (int regno) -{ - struct regs inferior_registers; - struct fp_state inferior_fp_registers; - - memcpy (&inferior_registers, registers, 20 * 4); - - memcpy (inferior_fp_registers.f_st, ®isters[REGISTER_BYTE (FP0_REGNUM)], - sizeof inferior_fp_registers.f_st); - memcpy (&inferior_fp_registers.f_ctrl, - ®isters[REGISTER_BYTE (FPC_REGNUM)], - sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st); - -#ifdef PTRACE_FP_BUG - if (regno == FP_REGNUM || regno == -1) - /* Storing the frame pointer requires a gross hack, in which an - instruction that moves eax into ebp gets single-stepped. */ - { - int stack = inferior_registers.r_reg[SP_REGNUM]; - int stuff = ptrace (PTRACE_PEEKDATA, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) stack); - int reg = inferior_registers.r_reg[EAX]; - inferior_registers.r_reg[EAX] = - inferior_registers.r_reg[FP_REGNUM]; - ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) & inferior_registers); - ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) stack, 0xc589); - ptrace (PTRACE_SINGLESTEP, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) stack, 0); - wait (0); - ptrace (PTRACE_POKEDATA, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) stack, stuff); - inferior_registers.r_reg[EAX] = reg; - } -#endif - ptrace (PTRACE_SETREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) & inferior_registers); - ptrace (PTRACE_SETFPREGS, PIDGET (inferior_ptid), - (PTRACE_ARG3_TYPE) & inferior_fp_registers); -} - - - -/* Provide registers to GDB from a core file. - - CORE_REG_SECT points to an array of bytes, which were obtained from - a core file which BFD thinks might contain register contents. - CORE_REG_SIZE is its size. - - WHICH says which register set corelow suspects this is: - 0 --- the general-purpose register set - 2 --- the floating-point register set - - REG_ADDR isn't used. */ - -static void -fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, - int which, CORE_ADDR reg_addr) -{ - int val; - - switch (which) - { - case 0: - case 1: - memcpy (registers, core_reg_sect, core_reg_size); - break; - - case 2: - memcpy (®isters[REGISTER_BYTE (FP0_REGNUM)], - core_reg_sect, - core_reg_size); /* FIXME, probably bogus */ -#ifdef FPC_REGNUM - memcpy (®isters[REGISTER_BYTE (FPC_REGNUM)], - &corestr.c_fpu.f_fpstatus.f_ctrl, - sizeof corestr.c_fpu.f_fpstatus - - sizeof corestr.c_fpu.f_fpstatus.f_st); -#endif - break; - } -} - - -/* Register that we are able to handle i386mach core file formats. - FIXME: is this really bfd_target_unknown_flavour? */ - -static struct core_fns i386mach_core_fns = -{ - bfd_target_unknown_flavour, /* core_flavour */ - default_check_format, /* check_format */ - default_core_sniffer, /* core_sniffer */ - fetch_core_registers, /* core_read_registers */ - NULL /* next */ -}; - -void -_initialize_core_i386mach (void) -{ - add_core_fns (&i386mach_core_fns); -} |