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authorJ.T. Conklin <jtc@acorntoolworks.com>2000-03-22 01:36:31 +0000
committerJ.T. Conklin <jtc@acorntoolworks.com>2000-03-22 01:36:31 +0000
commit5f04ac3de9db2b4baf6aa2b82bbed541d652935d (patch)
treeaf7b18e109230c7fd8dc09526a12c5d546db2dba /gdb/i386nbsd-nat.c
parentf09cffe3057e870312014826309b445c827e0f35 (diff)
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2000-03-21 J.T. Conklin <jtc@redback.com>
* i386/nbsd.mh (NATDEPFILES): Change i386b-nat.o to i386nbsd-nat.o. * i386nbsd-nat.c: New file. * i386/tm-nbsd.h (NUM_REGS): Removed. (HAVE_I387_REGS): Defined. * i386/nm-nbsd.h (FLOAT_INFO): Removed. * tm-nbsd.h (IN_SOLIB_CALL_TRAMPOLINE): Define if not SVR4_SHARED_LIBS.
Diffstat (limited to 'gdb/i386nbsd-nat.c')
-rw-r--r--gdb/i386nbsd-nat.c172
1 files changed, 172 insertions, 0 deletions
diff --git a/gdb/i386nbsd-nat.c b/gdb/i386nbsd-nat.c
new file mode 100644
index 0000000..76a75ae
--- /dev/null
+++ b/gdb/i386nbsd-nat.c
@@ -0,0 +1,172 @@
+/* Native-dependent code for NetBSD/i386, for GDB.
+ Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000
+ 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 <sys/types.h>
+#include <sys/ptrace.h>
+#include <machine/reg.h>
+#include <machine/frame.h>
+#include "inferior.h"
+#include "gdbcore.h" /* for registers_fetched() */
+
+#define RF(dst, src) \
+ memcpy(&registers[REGISTER_BYTE(dst)], &src, sizeof(src))
+
+#define RS(src, dst) \
+ memcpy(&dst, &registers[REGISTER_BYTE(src)], sizeof(dst))
+
+struct env387
+ {
+ unsigned short control;
+ unsigned short r0;
+ unsigned short status;
+ unsigned short r1;
+ unsigned short tag;
+ unsigned short r2;
+ unsigned long eip;
+ unsigned short code_seg;
+ unsigned short opcode;
+ unsigned long operand;
+ unsigned short operand_seg;
+ unsigned short r3;
+ unsigned char regs[8][10];
+ };
+
+void
+fetch_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+ struct env387 inferior_fpregisters;
+
+ ptrace (PT_GETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+ ptrace (PT_GETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
+
+ RF ( 0, inferior_registers.r_eax);
+ RF ( 1, inferior_registers.r_ecx);
+ RF ( 2, inferior_registers.r_edx);
+ RF ( 3, inferior_registers.r_ebx);
+ RF ( 4, inferior_registers.r_esp);
+ RF ( 5, inferior_registers.r_ebp);
+ RF ( 6, inferior_registers.r_esi);
+ RF ( 7, inferior_registers.r_edi);
+ RF ( 8, inferior_registers.r_eip);
+ RF ( 9, inferior_registers.r_eflags);
+ RF (10, inferior_registers.r_cs);
+ RF (11, inferior_registers.r_ss);
+ RF (12, inferior_registers.r_ds);
+ RF (13, inferior_registers.r_es);
+ RF (14, inferior_registers.r_fs);
+ RF (15, inferior_registers.r_gs);
+
+ RF (FP0_REGNUM, inferior_fpregisters.regs[0]);
+ RF (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
+ RF (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
+ RF (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
+ RF (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
+ RF (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
+ RF (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
+ RF (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
+
+ RF (FCTRL_REGNUM, inferior_fpregisters.control);
+ RF (FSTAT_REGNUM, inferior_fpregisters.status);
+ RF (FTAG_REGNUM, inferior_fpregisters.tag);
+ RF (FCS_REGNUM, inferior_fpregisters.code_seg);
+ RF (FCOFF_REGNUM, inferior_fpregisters.eip);
+ RF (FDS_REGNUM, inferior_fpregisters.operand_seg);
+ RF (FDOFF_REGNUM, inferior_fpregisters.operand);
+ RF (FOP_REGNUM, inferior_fpregisters.opcode);
+
+ registers_fetched ();
+}
+
+void
+store_inferior_registers (regno)
+ int regno;
+{
+ struct reg inferior_registers;
+ struct env387 inferior_fpregisters;
+
+ RS ( 0, inferior_registers.r_eax);
+ RS ( 1, inferior_registers.r_ecx);
+ RS ( 2, inferior_registers.r_edx);
+ RS ( 3, inferior_registers.r_ebx);
+ RS ( 4, inferior_registers.r_esp);
+ RS ( 5, inferior_registers.r_ebp);
+ RS ( 6, inferior_registers.r_esi);
+ RS ( 7, inferior_registers.r_edi);
+ RS ( 8, inferior_registers.r_eip);
+ RS ( 9, inferior_registers.r_eflags);
+ RS (10, inferior_registers.r_cs);
+ RS (11, inferior_registers.r_ss);
+ RS (12, inferior_registers.r_ds);
+ RS (13, inferior_registers.r_es);
+ RS (14, inferior_registers.r_fs);
+ RS (15, inferior_registers.r_gs);
+
+
+ RS (FP0_REGNUM, inferior_fpregisters.regs[0]);
+ RS (FP0_REGNUM + 1, inferior_fpregisters.regs[1]);
+ RS (FP0_REGNUM + 2, inferior_fpregisters.regs[2]);
+ RS (FP0_REGNUM + 3, inferior_fpregisters.regs[3]);
+ RS (FP0_REGNUM + 4, inferior_fpregisters.regs[4]);
+ RS (FP0_REGNUM + 5, inferior_fpregisters.regs[5]);
+ RS (FP0_REGNUM + 6, inferior_fpregisters.regs[6]);
+ RS (FP0_REGNUM + 7, inferior_fpregisters.regs[7]);
+
+ RS (FCTRL_REGNUM, inferior_fpregisters.control);
+ RS (FSTAT_REGNUM, inferior_fpregisters.status);
+ RS (FTAG_REGNUM, inferior_fpregisters.tag);
+ RS (FCS_REGNUM, inferior_fpregisters.code_seg);
+ RS (FCOFF_REGNUM, inferior_fpregisters.eip);
+ RS (FDS_REGNUM, inferior_fpregisters.operand_seg);
+ RS (FDOFF_REGNUM, inferior_fpregisters.operand);
+ RS (FOP_REGNUM, inferior_fpregisters.opcode);
+
+ ptrace (PT_SETREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_registers, 0);
+ ptrace (PT_SETFPREGS, inferior_pid,
+ (PTRACE_ARG3_TYPE) &inferior_fpregisters, 0);
+}
+
+struct md_core
+{
+ struct reg intreg;
+ struct fpreg freg;
+};
+
+void
+fetch_core_registers (core_reg_sect, core_reg_size, which, ignore)
+ char *core_reg_sect;
+ unsigned core_reg_size;
+ int which;
+ CORE_ADDR ignore;
+{
+ struct md_core *core_reg = (struct md_core *) core_reg_sect;
+
+ /* integer registers */
+ memcpy (&registers[REGISTER_BYTE (0)], &core_reg->intreg,
+ sizeof (struct reg));
+ /* floating point registers */
+ /* XXX */
+}