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Diffstat (limited to 'gdb/i386v4-nat.c')
| -rw-r--r-- | gdb/i386v4-nat.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/gdb/i386v4-nat.c b/gdb/i386v4-nat.c deleted file mode 100644 index 7de8c14..0000000 --- a/gdb/i386v4-nat.c +++ /dev/null @@ -1,160 +0,0 @@ -/* Native-dependent code for SVR4 Unix running on i386's. - Copyright 1988, 1989, 1991, 1992, 1996, 1997, 1998, 1999, 2000, - 2001, 2002 - 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 - (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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "defs.h" -#include "value.h" -#include "inferior.h" -#include "regcache.h" - -#ifdef HAVE_SYS_REG_H -#include <sys/reg.h> -#endif - -#include "i386-tdep.h" -#include "i387-tdep.h" - -#ifdef HAVE_SYS_PROCFS_H - -#include <sys/procfs.h> - -/* Prototypes for supply_gregset etc. */ -#include "gregset.h" - -/* The `/proc' interface divides the target machine's register set up - into two different sets, the general purpose register set (gregset) - and the floating-point register set (fpregset). For each set, - there is an ioctl to get the current register set and another ioctl - to set the current values. - - The actual structure passed through the ioctl interface is, of - course, naturally machine dependent, and is different for each set - of registers. For the i386 for example, the general-purpose - register set is typically defined by: - - typedef int gregset_t[19]; (in <sys/regset.h>) - - #define GS 0 (in <sys/reg.h>) - #define FS 1 - ... - #define UESP 17 - #define SS 18 - - and the floating-point set by: - - typedef struct fpregset { - union { - struct fpchip_state // fp extension state // - { - int state[27]; // 287/387 saved state // - int status; // status word saved at // - // exception // - } fpchip_state; - struct fp_emul_space // for emulators // - { - char fp_emul[246]; - char fp_epad[2]; - } fp_emul_space; - int f_fpregs[62]; // union of the above // - } fp_reg_set; - long f_wregs[33]; // saved weitek state // - } fpregset_t; - - Incidentally fpchip_state contains the FPU state in the same format - as used by the "fsave" instruction, and that's the only thing we - support here. I don't know how the emulator stores it state. The - Weitek stuff definitely isn't supported. - - The routines defined here, provide the packing and unpacking of - gregset_t and fpregset_t formatted data. */ - -#ifdef HAVE_GREGSET_T - -/* Mapping between the general-purpose registers in `/proc' - format and GDB's register array layout. */ -static int regmap[] = -{ - EAX, ECX, EDX, EBX, - UESP, EBP, ESI, EDI, - EIP, EFL, CS, SS, - DS, ES, FS, GS, -}; - -/* Fill GDB's register array with the general-purpose register values - in *GREGSETP. */ - -void -supply_gregset (gregset_t *gregsetp) -{ - greg_t *regp = (greg_t *) gregsetp; - int i; - - for (i = 0; i < I386_NUM_GREGS; i++) - supply_register (i, (char *) (regp + regmap[i])); -} - -/* Fill register REGNO (if it is a general-purpose register) in - *GREGSETPS with the value in GDB's register array. If REGNO is -1, - do this for all registers. */ - -void -fill_gregset (gregset_t *gregsetp, int regno) -{ - greg_t *regp = (greg_t *) gregsetp; - int i; - - for (i = 0; i < I386_NUM_GREGS; i++) - if (regno == -1 || regno == i) - regcache_collect (i, regp + regmap[i]); -} - -#endif /* HAVE_GREGSET_T */ - -#ifdef HAVE_FPREGSET_T - -/* Fill GDB's register array with the floating-point register values in - *FPREGSETP. */ - -void -supply_fpregset (fpregset_t *fpregsetp) -{ - if (FP0_REGNUM == 0) - return; - - i387_supply_fsave ((char *) fpregsetp); -} - -/* Fill register REGNO (if it is a floating-point register) in - *FPREGSETP with the value in GDB's register array. If REGNO is -1, - do this for all registers. */ - -void -fill_fpregset (fpregset_t *fpregsetp, int regno) -{ - if (FP0_REGNUM == 0) - return; - - i387_fill_fsave ((char *) fpregsetp, regno); -} - -#endif /* HAVE_FPREGSET_T */ - -#endif /* HAVE_SYS_PROCFS_H */ |