i386mach host/target/native separation
This commit is contained in:
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d9548d448c
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a113beac21
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@ -107,6 +107,7 @@ i386-stub.c
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i386-tdep.c
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i386-tdep.c
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i386-xdep.c
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i386-xdep.c
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i386b-nat.c
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i386b-nat.c
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i386mach-nat.c
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i387-tdep.c
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i387-tdep.c
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i960-pinsn.c
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i960-pinsn.c
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i960-tdep.c
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i960-tdep.c
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@ -129,7 +130,6 @@ m68k-tdep.c
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m88k-nat.c
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m88k-nat.c
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m88k-pinsn.c
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m88k-pinsn.c
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m88k-tdep.c
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m88k-tdep.c
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mach386-xdep.c
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main.c
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main.c
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maint.c
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maint.c
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mem-break.c
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mem-break.c
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@ -145,6 +145,7 @@ nindy-share
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nindy-tdep.c
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nindy-tdep.c
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nm-delta88.h
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nm-delta88.h
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nm-i386bsd.h
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nm-i386bsd.h
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nm-i386mach.h
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nm-irix3.h
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nm-irix3.h
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nm-irix4.h
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nm-irix4.h
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nm-m88k.h
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nm-m88k.h
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@ -1,5 +1,17 @@
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Fri Oct 16 13:06:08 1992 K. Richard Pixley (rich@sendai.cygnus.com)
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Fri Oct 16 13:06:08 1992 K. Richard Pixley (rich@sendai.cygnus.com)
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Native support for i386mach (untested).
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* config/i386mach.mh (XDEPFILES): removed infptrace.o inftarg.o
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fork-child.o mach386-xdep.o.
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(NAT_FILE, NATDEPFILES): new macros.
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* Makefile.in (HFILES): added nm-i386mach.h.
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* nm-i386mach.h, i386mach-nat.c: new files.
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* mach386-xdep.c: removed.
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* xm-i386mach.h: updated copyright.
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(ATTACH_DETACH, FETCH_INFERIOR_REGISTERS): removed to
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nm-i386mach.h.
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Native separation for go32 (untested).
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Native separation for go32 (untested).
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* config/go32.mh (NAT_FILE, NATDEPFILES): new macros.
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* config/go32.mh (NAT_FILE, NATDEPFILES): new macros.
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@ -254,7 +254,8 @@ HFILES= breakpoint.h buildsym.h call-cmds.h command.h defs.h \
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tm-68k.h tm-hppa.h tm-i960.h tm-sparc.h tm-sunos.h tm-sysv4.h \
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tm-68k.h tm-hppa.h tm-i960.h tm-sparc.h tm-sunos.h tm-sysv4.h \
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xm-m68k.h xm-sparc.h xm-sysv4.h xm-vax.h \
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xm-m68k.h xm-sparc.h xm-sysv4.h xm-vax.h \
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nm-irix3.h nm-irix4.h nm-mips.h nm-rs6000.h nm-sun2.h nm-sun3.h \
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nm-irix3.h nm-irix4.h nm-mips.h nm-rs6000.h nm-sun2.h nm-sun3.h \
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nm-sun4os4.h nm-trash.h nm-news.h nm-ultra3.h nm-m88k.h
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nm-sun4os4.h nm-trash.h nm-news.h nm-ultra3.h nm-m88k.h \
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nm-i386mach.h
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REMOTE_EXAMPLES = m68k-stub.c i386-stub.c sparc-stub.c rem-multi.shar
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REMOTE_EXAMPLES = m68k-stub.c i386-stub.c sparc-stub.c rem-multi.shar
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@ -1,4 +1,6 @@
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# Host: Intel 386 running Mach
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# Host: Intel 386 running Mach
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XDEPFILES= infptrace.o inftarg.o fork-child.o mach386-xdep.o
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XDEPFILES=
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XM_FILE= xm-i386mach.h
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XM_FILE= xm-i386mach.h
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NAT_FILE= nm-i386mach.h
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NATDEPFILES= infptrace.o inftarg.o fork-child.o i386mach-nat.o
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@ -0,0 +1,145 @@
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/* Native dependent code for Mach 386's for GDB, the GNU debugger.
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Copyright (C) 1986, 1987, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "frame.h"
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#include "inferior.h"
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#include "gdbcore.h"
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#include <sys/param.h>
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#include <sys/dir.h>
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#include <sys/user.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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#include <sys/file.h>
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#include <sys/stat.h>
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#include <sys/core.h>
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void
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fetch_inferior_registers (regno)
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int regno; /* Original value discarded */
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{
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struct regs inferior_registers;
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struct fp_state inferior_fp_registers;
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extern char registers[];
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registers_fetched ();
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ptrace (PTRACE_GETREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &inferior_registers);
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ptrace (PTRACE_GETFPREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &inferior_fp_registers);
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bcopy (&inferior_registers, registers, sizeof inferior_registers);
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bcopy (inferior_fp_registers.f_st,®isters[REGISTER_BYTE (FP0_REGNUM)],
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sizeof inferior_fp_registers.f_st);
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bcopy (&inferior_fp_registers.f_ctrl,
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®isters[REGISTER_BYTE (FPC_REGNUM)],
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sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
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}
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/* Store our register values back into the inferior.
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If REGNO is -1, do this for all registers.
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Otherwise, REGNO specifies which register (so we can save time). */
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void
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store_inferior_registers (regno)
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int regno;
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{
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struct regs inferior_registers;
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struct fp_state inferior_fp_registers;
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extern char registers[];
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bcopy (registers, &inferior_registers, 20 * 4);
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bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)],inferior_fp_registers.f_st,
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sizeof inferior_fp_registers.f_st);
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bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)],
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&inferior_fp_registers.f_ctrl,
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sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
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#ifdef PTRACE_FP_BUG
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if (regno == FP_REGNUM || regno == -1)
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/* Storing the frame pointer requires a gross hack, in which an
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instruction that moves eax into ebp gets single-stepped. */
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{
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int stack = inferior_registers.r_reg[SP_REGNUM];
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int stuff = ptrace (PTRACE_PEEKDATA, inferior_pid,
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(PTRACE_ARG3_TYPE) stack);
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int reg = inferior_registers.r_reg[EAX];
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inferior_registers.r_reg[EAX] =
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inferior_registers.r_reg[FP_REGNUM];
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ptrace (PTRACE_SETREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &inferior_registers);
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ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, 0xc589);
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ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack, 0);
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wait (0);
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ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, stuff);
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inferior_registers.r_reg[EAX] = reg;
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}
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#endif
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ptrace (PTRACE_SETREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &inferior_registers);
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ptrace (PTRACE_SETFPREGS, inferior_pid,
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(PTRACE_ARG3_TYPE) &inferior_fp_registers);
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}
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/* Work with core files, for GDB. */
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void
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fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
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char *core_reg_sect;
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unsigned core_reg_size;
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int which;
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unsigned int reg_addr; /* Unused in this version */
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{
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int val;
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extern char registers[];
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switch (which) {
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case 0:
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case 1:
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bcopy (core_reg_sect, registers, core_reg_size);
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break;
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case 2:
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#ifdef FP0_REGNUM
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bcopy (core_reg_sect,
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®isters[REGISTER_BYTE (FP0_REGNUM)],
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core_reg_size); /* FIXME, probably bogus */
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#endif
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#ifdef FPC_REGNUM
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bcopy (&corestr.c_fpu.f_fpstatus.f_ctrl,
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®isters[REGISTER_BYTE (FPC_REGNUM)],
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sizeof corestr.c_fpu.f_fpstatus -
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sizeof corestr.c_fpu.f_fpstatus.f_st);
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#endif
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break;
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}
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}
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@ -0,0 +1,25 @@
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/* Native definitions for Mach on an Intel 386
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Copyright (C) 1986, 1987, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Do implement the attach and detach commands. */
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/* #define ATTACH_DETACH 1 */
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/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
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#define FETCH_INFERIOR_REGISTERS
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@ -1,5 +1,5 @@
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/* Definitions to make GDB run on Mach on an Intel 386
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/* Definitions to make GDB run on Mach on an Intel 386
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Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
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Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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@ -35,12 +35,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define BROKEN_LARGE_ALLOCA
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#define BROKEN_LARGE_ALLOCA
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/* Do implement the attach and detach commands. */
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/* #define ATTACH_DETACH 1 */
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/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
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#define FETCH_INFERIOR_REGISTERS
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#define PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
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#define PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
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/* <errno.h> only defines this if __STDC__!!! */
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/* <errno.h> only defines this if __STDC__!!! */
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