X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fi387-tdep.h;h=976fa11d6cf8fe8a242026437d8223d033600884;hb=91158a569dc571a9916dfad98c6c95ce789ad18d;hp=a499fcb4985e9262928a5600bfeccd90c2e35d95;hpb=42835c2ba0de387d6fa747413d4f6198d06a0f03;p=binutils-gdb.git diff --git a/gdb/i387-tdep.h b/gdb/i387-tdep.h index a499fcb4985..976fa11d6cf 100644 --- a/gdb/i387-tdep.h +++ b/gdb/i387-tdep.h @@ -1,12 +1,13 @@ /* Target-dependent code for the i387. - Copyright 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010 + 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,9 +16,7 @@ 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. */ + along with this program. If not, see . */ #ifndef I387_TDEP_H #define I387_TDEP_H @@ -28,26 +27,28 @@ struct regcache; struct type; struct ui_file; -/* Because the number of general-purpose registers is different for - AMD64, the floating-point registers and SSE registers get shifted. - The following definitions are intended to help writing code that - needs the register numbers of floating-point registers and SSE - registers. In order to use these, one should provide a definition - for I387_ST0_REGNUM, and possibly I387_NUM_XMM_REGS, preferably by - using a local "#define" in the body of the function that uses this. - Please "#undef" them before the end of the function. */ - -#define I387_FCTRL_REGNUM (I387_ST0_REGNUM + 8) -#define I387_FSTAT_REGNUM (I387_FCTRL_REGNUM + 1) -#define I387_FTAG_REGNUM (I387_FCTRL_REGNUM + 2) -#define I387_FISEG_REGNUM (I387_FCTRL_REGNUM + 3) -#define I387_FIOFF_REGNUM (I387_FCTRL_REGNUM + 4) -#define I387_FOSEG_REGNUM (I387_FCTRL_REGNUM + 5) -#define I387_FOOFF_REGNUM (I387_FCTRL_REGNUM + 6) -#define I387_FOP_REGNUM (I387_FCTRL_REGNUM + 7) -#define I387_XMM0_REGNUM (I387_ST0_REGNUM + 16) -#define I387_MXCSR_REGNUM (I387_XMM0_REGNUM + I387_NUM_XMM_REGS) - +/* Number of i387 floating point registers. */ +#define I387_NUM_REGS 16 + +#define I387_ST0_REGNUM(tdep) ((tdep)->st0_regnum) +#define I387_NUM_XMM_REGS(tdep) ((tdep)->num_xmm_regs) +#define I387_MM0_REGNUM(tdep) ((tdep)->mm0_regnum) +#define I387_NUM_YMM_REGS(tdep) ((tdep)->num_ymm_regs) +#define I387_YMM0H_REGNUM(tdep) ((tdep)->ymm0h_regnum) + +#define I387_FCTRL_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 8) +#define I387_FSTAT_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 1) +#define I387_FTAG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 2) +#define I387_FISEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 3) +#define I387_FIOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 4) +#define I387_FOSEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 5) +#define I387_FOOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 6) +#define I387_FOP_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 7) +#define I387_XMM0_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 16) +#define I387_MXCSR_REGNUM(tdep) \ + (I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep)) +#define I387_YMMENDH_REGNUM(tdep) \ + (I387_YMM0H_REGNUM (tdep) + I387_NUM_YMM_REGS (tdep)) /* Print out the i387 floating point state. */ @@ -56,6 +57,12 @@ extern void i387_print_float_info (struct gdbarch *gdbarch, struct frame_info *frame, const char *args); +/* Return nonzero if a value of type TYPE stored in register REGNUM + needs any special handling. */ + +extern int i387_convert_register_p (struct gdbarch *gdbarch, int regnum, + struct type *type); + /* Read a value of type TYPE from register REGNUM in frame FRAME, and return its contents in TO. */ @@ -89,13 +96,6 @@ extern void i387_supply_fsave (struct regcache *regcache, int regnum, extern void i387_collect_fsave (const struct regcache *regcache, int regnum, void *fsave); -/* Fill register REGNUM (if it is a floating-point register) in *FSAVE - with the value in GDB's register cache. If REGNUM is -1, do this - for all registers. This function doesn't touch any of the reserved - bits in *FSAVE. */ - -extern void i387_fill_fsave (void *fsave, int regnum); - /* Fill register REGNUM in REGCACHE with the appropriate floating-point or SSE register value from *FXSAVE. This function masks off any of the reserved bits in *FXSAVE. */ @@ -103,6 +103,11 @@ extern void i387_fill_fsave (void *fsave, int regnum); extern void i387_supply_fxsave (struct regcache *regcache, int regnum, const void *fxsave); +/* Similar to i387_supply_fxsave, but use XSAVE extended state. */ + +extern void i387_supply_xsave (struct regcache *regcache, int regnum, + const void *xsave); + /* Fill register REGNUM (if it is a floating-point or SSE register) in *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for all registers. This function doesn't touch any of the reserved @@ -111,12 +116,10 @@ extern void i387_supply_fxsave (struct regcache *regcache, int regnum, extern void i387_collect_fxsave (const struct regcache *regcache, int regnum, void *fxsave); -/* Fill register REGNUM (if it is a floating-point or SSE register) in - *FXSAVE with the value in GDB's register cache. If REGNUM is -1, do - this for all registers. This function doesn't touch any of the - reserved bits in *FXSAVE. */ +/* Similar to i387_collect_fxsave, but use XSAVE extended state. */ -extern void i387_fill_fxsave (void *fxsave, int regnum); +extern void i387_collect_xsave (const struct regcache *regcache, + int regnum, void *xsave, int gcore); /* Prepare the FPU stack in REGCACHE for a function return. */