| /* Target-dependent code for the i387. |
| |
| Copyright (C) 2000-2021 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 3 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef I387_TDEP_H |
| #define I387_TDEP_H |
| |
| 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_NUM_XMM_AVX512_REGS(tdep) ((tdep)->num_xmm_avx512_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_NUM_K_REGS 8 |
| #define I387_NUM_PKEYS_REGS 1 |
| |
| #define I387_PKRU_REGNUM(tdep) ((tdep)->pkru_regnum) |
| #define I387_K0_REGNUM(tdep) ((tdep)->k0_regnum) |
| #define I387_NUM_ZMMH_REGS(tdep) ((tdep)->num_zmm_regs) |
| #define I387_ZMM0H_REGNUM(tdep) ((tdep)->zmm0h_regnum) |
| #define I387_NUM_YMM_AVX512_REGS(tdep) ((tdep)->num_ymm_avx512_regs) |
| #define I387_YMM16H_REGNUM(tdep) ((tdep)->ymm16h_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_XMM16_REGNUM(tdep) ((tdep)->xmm16_regnum) |
| #define I387_MXCSR_REGNUM(tdep) \ |
| (I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep)) |
| #define I387_YMM0_REGNUM(tdep) (I387_MXCSR_REGNUM(tdep) + 1) |
| #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) |
| |
| #define I387_KEND_REGNUM(tdep) \ |
| (I387_K0_REGNUM (tdep) + I387_NUM_K_REGS) |
| #define I387_ZMMENDH_REGNUM(tdep) \ |
| (I387_ZMM0H_REGNUM (tdep) + I387_NUM_ZMMH_REGS (tdep)) |
| #define I387_YMMH_AVX512_END_REGNUM(tdep) \ |
| (I387_YMM16H_REGNUM (tdep) + I387_NUM_YMM_AVX512_REGS (tdep)) |
| #define I387_XMM_AVX512_END_REGNUM(tdep) \ |
| (I387_XMM16_REGNUM (tdep) + I387_NUM_XMM_AVX512_REGS (tdep)) |
| |
| #define I387_PKEYSEND_REGNUM(tdep) \ |
| (I387_PKRU_REGNUM (tdep) + I387_NUM_PKEYS_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_collect_fsave (const struct regcache *regcache, int regnum, |
| void *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_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 |
| bits in *FXSAVE. */ |
| |
| extern void i387_collect_fxsave (const struct regcache *regcache, int regnum, |
| void *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); |
| |
| /* Extract a bitset from XSAVE indicating which features are available in |
| the inferior, but not yet initialised. */ |
| |
| extern ULONGEST i387_xsave_get_clear_bv (struct gdbarch *gdbarch, |
| const void *xsave); |
| |
| /* Prepare the FPU stack in REGCACHE for a function return. */ |
| |
| extern void i387_return_value (struct gdbarch *gdbarch, |
| struct regcache *regcache); |
| |
| /* Set all bnd registers to the INIT state. INIT state means |
| all memory range can be accessed. */ |
| extern void i387_reset_bnd_regs (struct gdbarch *gdbarch, |
| struct regcache *regcache); |
| #endif /* i387-tdep.h */ |