binutils-gdb/gdb/i387-tdep.h

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/* Target-dependent code for the i387.
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
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Free Software Foundation, Inc.
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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
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(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/>. */
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#ifndef I387_TDEP_H
#define I387_TDEP_H
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struct gdbarch;
struct frame_info;
struct regcache;
struct type;
struct ui_file;
* win32-nat.c (do_win32_fetch_inferior_registers): Use get_regcache_arch to get at the current architecture and at the target specific vector. Add target specific vector to I387_FISEG_REGNUM and I387_FOP_REGNUM and remove define of I387_ST0_REGNUM. * amd64-tdep.c (I387_ST0_REGNUM): Remove define. (amd64_supply_fxsave, amd64_collect_fxsave): Use get_regcache_arch to get at the current architecture (I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Add target specific vector as parameter. * i386-tdep.c: Remove various define's and undef's of I387_ST0_REGNUM, I387_NUM_XMM_REGS and I387_MM0_REGNUM. (I387_NUM_XMM_REGS, I387_XMM0_REGNUM, I387_MXCSR_REGNUM, I387_ST0_REGNUM, I387_FCTRL_REGNUM, I387_MM0_REGNUM, (I387_FSTAT_REGNUM): Add target specific vector as parameter. (i386_register_name, i386_dbx_reg_to_regnum): Use gdbarch_tdep to get at the target specific vector. (i386_get_longjmp_target): Use get_frame_arch to get at the current architecture. Use gdbarch_tdep to get at the target specific vector. (i386_fp_regnum_p, i386_fpc_regnum_p): Add gdbarch as parameter and update caller. Use gdbarch_tdep to get at the target specific vector. (i386_register_to_value: Use get_frame_arch to get at the current architecture. * i386-tdep.h (i386_fp_regnum_p, i386_fpc_regnum_p): Add gdbarch as parameter. * i387-tdep.c (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM, I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM, I387_FOSEG_REGNUM I387_FOOFF_REGNUM, I387_FOP_REGNUM, I387_ST0_REGNUM, FSAVE_ADDR, FXSAVE_ADDR, I387_XMM0_REGNUM): Add target specific vector as parameter. (I387_ST0_REGNUM, I387_NUM_XMM_REGS): Remove various define's and undef's. (i387_convert_register_p, i387_register_to_value, i387_value_to_register): Update call for i386_fp_regnum_p. * i387-tdep.h: Remove comment. (I387_ST0_REGNUM, I387_NUM_XMM_REGS, I387_MM0_REGNUM): Add define. (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM, I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM, I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM, I387_XMM0_REGNUM, I387_MXCSR_REGNUM): Add target specific vector as parameter.
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#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_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))
* i386-tdep.h: Put opaque declarations in alphabetical order. Remove spurious whitespace. (struct gdbarch_tdep): add st0_regnum and mm0_regnum members. (i386_sse_regnum_p, i386_mxcsr_regnum_p): Remove prototypes. * i386-tdep.c (MM0_REGNUM): Remove define. (i386_mmx_regnum_p): Add gdbarch argument. (i386_sse_regnum_p, i386_mxcsr_regnum_p): Add gdbarch argument. Rewrite using new macro definitions for FPU/SSE registers. (i386_fp_regnum_p, i386_fpc_regnum_p): Rewrite using new macro definitions from i387-tdep.h. (i386_register_name): Update. (i386_stab_reg_to_regnum, i386_dwarf_reg_to_regnum): Update to use new macro definitions for FPU/SSE registers. (i386_extract_return_value): Determine whether floating-point registers are present by examining REGCACHE's architecture. (i386_store_return_value): Likewise. Use I386_MAX_REGISTER_SIZE instead of FPU_REG_RAW_SIZE. Use new macro definitions for FPU/SSE registers. (i386_register_type): Update. (i386_mmx_regnum_to_fp_regnum): Rewrite using new macro definitions for FPU registers. Use REGCACHE's architecture to determine the appropriate register numbers. (i386_pseudo_register_read, i386_pseudo_register_write, i386_register_reggroup_p): Update. (i386_gdbarch_init): Initialize TDEP->st0_regnum and TDEP->mm0_regnum. * i387-tdep.h (I387_FCTRL_REGNUM, I387_FSTAT_REGNUM, I387_FTAG_REGNUM, I387_FISEG_REGNUM, I387_FIOFF_REGNUM, I387_FOSEG_REGNUM, I387_FOOFF_REGNUM, I387_FOP_REGNUM, I387_XMM0_REGNUM, I387_MXCSR_REGNUM): New defines. (i387_supply_fsave, i387_fill_fsave, i387_supply_fxsave, i387_fill_fxsave): Change type of fsave/fxsave argument from `char *' to `void *'. * i387-tdep.c (i387_print_float_info, fsave_offset, FSAVE_ADDR, i387_supply_fsave, i387_fill_fsave, fxsave_offset, FXSAVE_ADDR, i387_supply_fxsave, i387_fill_fxsave): Update to use new macro definitions for FPU/SSE registers. (FXSAVE_MXCSR_ADDR): New define. * x86-64-tdep.c (x86_64_init_abi): Override TDEP->st0_regnum and TDEP->mm0_regnum. (I387_FISEG_REGNUM, I387_FOSEG_REGNUM): Remove defines. (I387_ST0_REGNUM): Define.
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/* 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 void i387_register_to_value (struct frame_info *frame, int regnum,
struct type *type, gdb_byte *to);
/* 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);
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/* 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
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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);
/* 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);
/* Prepare the FPU stack in REGCACHE for a function return. */
extern void i387_return_value (struct gdbarch *gdbarch,
struct regcache *regcache);
#endif /* i387-tdep.h */