2002-05-11 17:22:27 +00:00
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/* Target-dependent code for the i387.
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2003-08-24 13:55:48 +00:00
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2010-01-01 07:32:07 +00:00
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Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
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2007-01-09 17:59:20 +00:00
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Free Software Foundation, Inc.
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2000-05-23 23:44:44 +00:00
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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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2007-08-23 18:08:50 +00:00
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the Free Software Foundation; either version 3 of the License, or
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2000-05-23 23:44:44 +00:00
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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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2007-08-23 18:08:50 +00:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2000-05-23 23:44:44 +00:00
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2002-05-11 17:22:27 +00:00
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#ifndef I387_TDEP_H
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#define I387_TDEP_H
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2000-05-23 23:44:44 +00:00
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2003-04-12 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh: Add missing opaque declarations.
* gdbarch.h: Regnerate.
* symtab.h: Add missing opaque declarations.
* value.h, target.h, symfile.h, stabsread.h: Ditto.
* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
* cli/cli-setshow.h, cli/cli-script.h: Ditto.
2003-04-12 17:41:26 +00:00
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struct gdbarch;
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struct frame_info;
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2003-09-28 13:35:44 +00:00
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struct regcache;
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2003-06-15 11:01:46 +00:00
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struct type;
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2003-09-28 13:35:44 +00:00
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struct ui_file;
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2003-04-12 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh: Add missing opaque declarations.
* gdbarch.h: Regnerate.
* symtab.h: Add missing opaque declarations.
* value.h, target.h, symfile.h, stabsread.h: Ditto.
* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
* cli/cli-setshow.h, cli/cli-script.h: Ditto.
2003-04-12 17:41:26 +00:00
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2010-03-01 15:33:32 +00:00
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/* Number of i387 floating point registers. */
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#define I387_NUM_REGS 16
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* 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.
2008-03-11 05:21:38 +00:00
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#define I387_ST0_REGNUM(tdep) ((tdep)->st0_regnum)
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#define I387_NUM_XMM_REGS(tdep) ((tdep)->num_xmm_regs)
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#define I387_MM0_REGNUM(tdep) ((tdep)->mm0_regnum)
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#define I387_FCTRL_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 8)
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#define I387_FSTAT_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 1)
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#define I387_FTAG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 2)
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#define I387_FISEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 3)
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#define I387_FIOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 4)
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#define I387_FOSEG_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 5)
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#define I387_FOOFF_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 6)
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#define I387_FOP_REGNUM(tdep) (I387_FCTRL_REGNUM (tdep) + 7)
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#define I387_XMM0_REGNUM(tdep) (I387_ST0_REGNUM (tdep) + 16)
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#define I387_MXCSR_REGNUM(tdep) \
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(I387_XMM0_REGNUM (tdep) + I387_NUM_XMM_REGS (tdep))
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* 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.
2003-09-27 21:57:56 +00:00
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2002-08-15 17:36:57 +00:00
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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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2002-08-16 00:01:59 +00:00
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struct frame_info *frame,
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const char *args);
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2002-08-15 17:36:57 +00:00
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2007-10-24 20:29:14 +00:00
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/* Return nonzero if a value of type TYPE stored in register REGNUM
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needs any special handling. */
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2007-11-09 05:32:19 +00:00
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extern int i387_convert_register_p (struct gdbarch *gdbarch, int regnum,
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struct type *type);
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2007-10-24 20:29:14 +00:00
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2003-06-15 11:01:46 +00:00
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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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2005-05-14 11:27:03 +00:00
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struct type *type, gdb_byte *to);
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2003-06-15 11:01:46 +00:00
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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 gdb_byte *from);
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2003-08-24 13:55:48 +00:00
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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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2003-06-15 11:01:46 +00:00
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2003-09-28 13:35:44 +00:00
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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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2001-02-17 09:01:14 +00:00
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2003-09-28 13:35:44 +00:00
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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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2000-05-23 23:44:44 +00:00
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2004-03-15 22:44:12 +00:00
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/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
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with the value from REGCACHE. If REGNUM is -1, do this for all
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registers. This function doesn't touch any of the reserved bits in
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*FSAVE. */
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extern void i387_collect_fsave (const struct regcache *regcache, int regnum,
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void *fsave);
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2003-09-28 13:35:44 +00:00
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/* Fill register REGNUM in REGCACHE with the appropriate
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2003-08-23 08:56:45 +00:00
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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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2000-08-10 14:54:51 +00:00
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2003-09-28 13:35:44 +00:00
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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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2000-08-10 14:54:51 +00:00
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2004-02-28 20:43:51 +00:00
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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 from REGCACHE. If REGNUM is -1, do this for
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all registers. This function doesn't touch any of the reserved
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bits in *FXSAVE. */
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extern void i387_collect_fxsave (const struct regcache *regcache, int regnum,
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void *fxsave);
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2003-11-27 20:35:38 +00:00
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/* Prepare the FPU stack in REGCACHE for a function return. */
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extern void i387_return_value (struct gdbarch *gdbarch,
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struct regcache *regcache);
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2002-05-11 17:22:27 +00:00
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#endif /* i387-tdep.h */
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