X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fi387-tdep.h;h=3b3ddc4f5104c39ee59976a8fb43de978ff20f94;hb=5caa2f0b272d2a6edf56571fd0c59f922f26eb41;hp=5bfd06eb7102cdbd97c8074ee817b5ee21a70124;hpb=e750d25e90a8c29ecc1bc063473ce657af0996dc;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/i387-tdep.h b/gdb/i387-tdep.h index 5bfd06eb71..3b3ddc4f51 100644 --- a/gdb/i387-tdep.h +++ b/gdb/i387-tdep.h @@ -1,11 +1,12 @@ /* Target-dependent code for the i387. - Copyright 2000, 2001 Free Software Foundation, Inc. + + Copyright (C) 2000-2014 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, @@ -14,43 +15,124 @@ 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 -/* Fill register REGNUM in GDB's register array with the appropriate - value from *FSAVE. This function masks off any of the reserved - bits in *FSAVE. */ +struct gdbarch; +struct frame_info; +struct regcache; +struct type; +struct ui_file; + +/* 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_BND0R_REGNUM(tdep) ((tdep)->bnd0r_regnum) +#define I387_BNDCFGU_REGNUM(tdep) ((tdep)->bndcfgu_regnum) + +/* Set of constants used for 32 and 64-bit. */ +#define I387_NUM_MPX_REGS 6 +#define I387_NUM_BND_REGS 4 +#define I387_NUM_MPX_CTRL_REGS 2 + +#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)) +#define I387_MPXEND_REGNUM(tdep) \ + (I387_BND0R_REGNUM (tdep) + I387_NUM_MPX_REGS) + +/* Print out the i387 floating point state. */ + +extern void i387_print_float_info (struct gdbarch *gdbarch, + struct ui_file *file, + 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. */ + +extern int i387_register_to_value (struct frame_info *frame, int regnum, + struct type *type, gdb_byte *to, + int *optimizedp, int *unavailablep); + +/* Write the contents FROM of a value of type TYPE into register + REGNUM in frame FRAME. */ + +extern void i387_value_to_register (struct frame_info *frame, int regnum, + struct type *type, const gdb_byte *from); + + +/* Size of the memory area use by the 'fsave' and 'fxsave' + instructions. */ +#define I387_SIZEOF_FSAVE 108 +#define I387_SIZEOF_FXSAVE 512 + +/* Fill register REGNUM in REGCACHE with the appropriate value from + *FSAVE. This function masks off any of the reserved bits in + *FSAVE. */ + +extern void i387_supply_fsave (struct regcache *regcache, int regnum, + const void *fsave); + +/* Fill register REGNUM (if it is a floating-point register) in *FSAVE + with the value from REGCACHE. If REGNUM is -1, do this for all + registers. This function doesn't touch any of the reserved bits in + *FSAVE. */ -extern void i387_supply_register (int regnum, char *fsave); +extern void i387_collect_fsave (const struct regcache *regcache, int regnum, + void *fsave); -/* Fill GDB's register array with the floating-point register values - in *FSAVE. This function masks off any of the reserved - bits in *FSAVE. */ +/* 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. */ -extern void i387_supply_fsave (char *fsave); +extern void i387_supply_fxsave (struct regcache *regcache, int regnum, + const void *fxsave); -/* Fill register REGNUM (if it is a floating-point register) in *FSAVE - with the value in GDB's register array. If REGNUM is -1, do this - for all registers. This function doesn't touch any of the reserved - bits in *FSAVE. */ +/* Similar to i387_supply_fxsave, but use XSAVE extended state. */ -extern void i387_fill_fsave (char *fsave, int regnum); +extern void i387_supply_xsave (struct regcache *regcache, int regnum, + const void *xsave); -/* Fill GDB's register array with the floating-point and SSE register - values in *FXSAVE. This function masks off any of the reserved +/* 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 bits in *FXSAVE. */ -extern void i387_supply_fxsave (char *fxsave); +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 array. 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_collect_xsave (const struct regcache *regcache, + int regnum, void *xsave, int gcore); + +/* Prepare the FPU stack in REGCACHE for a function return. */ -extern void i387_fill_fxsave (char *fxsave, int regnum); +extern void i387_return_value (struct gdbarch *gdbarch, + struct regcache *regcache); #endif /* i387-tdep.h */