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41d041d671
regcache argument and reverse the order of the other two arguments. Remove local regcache variable. Determine architecture from REGCACHE. Update comments. * x86-64-tdep.c (x86_64_supply_fxsave): Add regcache argument and reverse the order of the other two arguments. Remove local regcache variable. Determine architecture from REGCACHE. Update comments. * i387-tdep.h (i387_supply_fsave, i387_supply_fxsave): Adjust prototypes. Update comments. * x86-64-tdep.c (x86_64_supply_fxsave): Adjust prototype. Adjust comment. * amd64fbsd-nat.c (supply_fpregset, fetch_inferior_registers): Update. * go32-nat.c (fetch_register, go32_fetch_registers): Update. * i386-interix-nat.c (supply_fpregset): Update. * i386-linux-nat.c (supply_fpregset, supply_fpxregset): Update. * i386-nto-tdep.c (i386nto_supply_fpregset): Update. * i386gnu-nat.c (fetch_fpregs, supply_fpregset): Update. * i386bsd-nat.c (supply_fpregset, fetch_inferior_registers): Update. * i386nbsd-tdep.c (fetch_core_registers, fetch_elfcore_registers): Update. * i386obsd-tdep.c (fetch_core_registers): Update. * i386v4-nat.c (supply_fpregset): Update. * x86-64-linux-nat.c (supply_fpregset): Update. * x86-64-linux-tdep.c (fetch_core_registers): Update.
106 lines
3.9 KiB
C
106 lines
3.9 KiB
C
/* Target-dependent code for the i387.
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Copyright 2000, 2001, 2002, 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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#ifndef I387_TDEP_H
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#define I387_TDEP_H
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struct gdbarch;
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struct frame_info;
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struct regcache;
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struct type;
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struct ui_file;
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/* Because the number of general-purpose registers is different for
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AMD64, the floating-point registers and SSE registers get shifted.
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The following definitions are intended to help writing code that
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needs the register numbers of floating-point registers and SSE
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registers. In order to use these, one should provide a definition
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for I387_ST0_REGNUM, and possibly I387_NUM_XMM_REGS, preferably by
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using a local "#define" in the body of the function that uses this.
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Please "#undef" them before the end of the function. */
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#define I387_FCTRL_REGNUM (I387_ST0_REGNUM + 8)
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#define I387_FSTAT_REGNUM (I387_FCTRL_REGNUM + 1)
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#define I387_FTAG_REGNUM (I387_FCTRL_REGNUM + 2)
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#define I387_FISEG_REGNUM (I387_FCTRL_REGNUM + 3)
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#define I387_FIOFF_REGNUM (I387_FCTRL_REGNUM + 4)
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#define I387_FOSEG_REGNUM (I387_FCTRL_REGNUM + 5)
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#define I387_FOOFF_REGNUM (I387_FCTRL_REGNUM + 6)
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#define I387_FOP_REGNUM (I387_FCTRL_REGNUM + 7)
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#define I387_XMM0_REGNUM (I387_ST0_REGNUM + 16)
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#define I387_MXCSR_REGNUM (I387_XMM0_REGNUM + I387_NUM_XMM_REGS)
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/* Print out the i387 floating point state. */
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extern void i387_print_float_info (struct gdbarch *gdbarch,
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struct ui_file *file,
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struct frame_info *frame,
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const char *args);
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/* Read a value of type TYPE from register REGNUM in frame FRAME, and
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return its contents in TO. */
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extern void i387_register_to_value (struct frame_info *frame, int regnum,
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struct type *type, void *to);
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/* Write the contents FROM of a value of type TYPE into register
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REGNUM in frame FRAME. */
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extern void i387_value_to_register (struct frame_info *frame, int regnum,
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struct type *type, const void *from);
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/* Size of the memory area use by the 'fsave' and 'fxsave'
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instructions. */
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#define I387_SIZEOF_FSAVE 108
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#define I387_SIZEOF_FXSAVE 512
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/* Fill register REGNUM in REGCACHE with the appropriate value from
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*FSAVE. This function masks off any of the reserved bits in
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*FSAVE. */
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extern void i387_supply_fsave (struct regcache *regcache, int regnum,
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const void *fsave);
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/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
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with the value in GDB's register cache. If REGNUM is -1, do this
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for all registers. This function doesn't touch any of the reserved
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bits in *FSAVE. */
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extern void i387_fill_fsave (void *fsave, int regnum);
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/* Fill register REGNUM in REGCACHE with the appropriate
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floating-point or SSE register value from *FXSAVE. This function
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masks off any of the reserved bits in *FXSAVE. */
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extern void i387_supply_fxsave (struct regcache *regcache, int regnum,
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const void *fxsave);
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/* Fill register REGNUM (if it is a floating-point or SSE register) in
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*FXSAVE with the value in GDB's register cache. If REGNUM is -1, do
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this for all registers. This function doesn't touch any of the
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reserved bits in *FXSAVE. */
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extern void i387_fill_fxsave (void *fxsave, int regnum);
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#endif /* i387-tdep.h */
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