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265 lines
11 KiB
C
265 lines
11 KiB
C
/* Target-dependent code for the ia64.
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Copyright (C) 2004-2021 Free Software Foundation, Inc.
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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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the Free Software Foundation; either version 3 of the License, or
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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef IA64_TDEP_H
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#define IA64_TDEP_H
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#ifdef HAVE_LIBUNWIND_IA64_H
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#include "libunwind-ia64.h"
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#include "ia64-libunwind-tdep.h"
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#endif
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/* Register numbers of various important registers. */
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/* General registers; there are 128 of these 64 bit wide registers.
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The first 32 are static and the last 96 are stacked. */
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#define IA64_GR0_REGNUM 0
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#define IA64_GR1_REGNUM (IA64_GR0_REGNUM + 1)
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#define IA64_GR2_REGNUM (IA64_GR0_REGNUM + 2)
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#define IA64_GR3_REGNUM (IA64_GR0_REGNUM + 3)
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#define IA64_GR4_REGNUM (IA64_GR0_REGNUM + 4)
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#define IA64_GR5_REGNUM (IA64_GR0_REGNUM + 5)
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#define IA64_GR6_REGNUM (IA64_GR0_REGNUM + 6)
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#define IA64_GR7_REGNUM (IA64_GR0_REGNUM + 7)
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#define IA64_GR8_REGNUM (IA64_GR0_REGNUM + 8)
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#define IA64_GR9_REGNUM (IA64_GR0_REGNUM + 9)
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#define IA64_GR10_REGNUM (IA64_GR0_REGNUM + 10)
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#define IA64_GR11_REGNUM (IA64_GR0_REGNUM + 11)
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#define IA64_GR12_REGNUM (IA64_GR0_REGNUM + 12)
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#define IA64_GR31_REGNUM (IA64_GR0_REGNUM + 31)
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#define IA64_GR32_REGNUM (IA64_GR0_REGNUM + 32)
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#define IA64_GR127_REGNUM (IA64_GR0_REGNUM + 127)
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/* Floating point registers; 128 82-bit wide registers. */
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#define IA64_FR0_REGNUM 128
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#define IA64_FR1_REGNUM (IA64_FR0_REGNUM + 1)
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#define IA64_FR2_REGNUM (IA64_FR0_REGNUM + 2)
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#define IA64_FR8_REGNUM (IA64_FR0_REGNUM + 8)
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#define IA64_FR9_REGNUM (IA64_FR0_REGNUM + 9)
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#define IA64_FR10_REGNUM (IA64_FR0_REGNUM + 10)
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#define IA64_FR11_REGNUM (IA64_FR0_REGNUM + 11)
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#define IA64_FR12_REGNUM (IA64_FR0_REGNUM + 12)
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#define IA64_FR13_REGNUM (IA64_FR0_REGNUM + 13)
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#define IA64_FR14_REGNUM (IA64_FR0_REGNUM + 14)
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#define IA64_FR15_REGNUM (IA64_FR0_REGNUM + 15)
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#define IA64_FR16_REGNUM (IA64_FR0_REGNUM + 16)
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#define IA64_FR31_REGNUM (IA64_FR0_REGNUM + 31)
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#define IA64_FR32_REGNUM (IA64_FR0_REGNUM + 32)
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#define IA64_FR127_REGNUM (IA64_FR0_REGNUM + 127)
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/* Predicate registers; There are 64 of these one bit registers. It'd
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be more convenient (implementation-wise) to use a single 64 bit
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word with all of these register in them. Note that there's also a
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IA64_PR_REGNUM below which contains all the bits and is used for
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communicating the actual values to the target. */
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#define IA64_PR0_REGNUM 256
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#define IA64_PR1_REGNUM (IA64_PR0_REGNUM + 1)
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#define IA64_PR2_REGNUM (IA64_PR0_REGNUM + 2)
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#define IA64_PR3_REGNUM (IA64_PR0_REGNUM + 3)
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#define IA64_PR4_REGNUM (IA64_PR0_REGNUM + 4)
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#define IA64_PR5_REGNUM (IA64_PR0_REGNUM + 5)
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#define IA64_PR6_REGNUM (IA64_PR0_REGNUM + 6)
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#define IA64_PR7_REGNUM (IA64_PR0_REGNUM + 7)
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#define IA64_PR8_REGNUM (IA64_PR0_REGNUM + 8)
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#define IA64_PR9_REGNUM (IA64_PR0_REGNUM + 9)
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#define IA64_PR10_REGNUM (IA64_PR0_REGNUM + 10)
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#define IA64_PR11_REGNUM (IA64_PR0_REGNUM + 11)
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#define IA64_PR12_REGNUM (IA64_PR0_REGNUM + 12)
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#define IA64_PR13_REGNUM (IA64_PR0_REGNUM + 13)
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#define IA64_PR14_REGNUM (IA64_PR0_REGNUM + 14)
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#define IA64_PR15_REGNUM (IA64_PR0_REGNUM + 15)
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#define IA64_PR16_REGNUM (IA64_PR0_REGNUM + 16)
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#define IA64_PR17_REGNUM (IA64_PR0_REGNUM + 17)
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#define IA64_PR18_REGNUM (IA64_PR0_REGNUM + 18)
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#define IA64_PR19_REGNUM (IA64_PR0_REGNUM + 19)
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#define IA64_PR20_REGNUM (IA64_PR0_REGNUM + 20)
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#define IA64_PR21_REGNUM (IA64_PR0_REGNUM + 21)
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#define IA64_PR22_REGNUM (IA64_PR0_REGNUM + 22)
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#define IA64_PR23_REGNUM (IA64_PR0_REGNUM + 23)
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#define IA64_PR24_REGNUM (IA64_PR0_REGNUM + 24)
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#define IA64_PR25_REGNUM (IA64_PR0_REGNUM + 25)
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#define IA64_PR26_REGNUM (IA64_PR0_REGNUM + 26)
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#define IA64_PR27_REGNUM (IA64_PR0_REGNUM + 27)
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#define IA64_PR28_REGNUM (IA64_PR0_REGNUM + 28)
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#define IA64_PR29_REGNUM (IA64_PR0_REGNUM + 29)
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#define IA64_PR30_REGNUM (IA64_PR0_REGNUM + 30)
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#define IA64_PR31_REGNUM (IA64_PR0_REGNUM + 31)
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#define IA64_PR32_REGNUM (IA64_PR0_REGNUM + 32)
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#define IA64_PR33_REGNUM (IA64_PR0_REGNUM + 33)
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#define IA64_PR34_REGNUM (IA64_PR0_REGNUM + 34)
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#define IA64_PR35_REGNUM (IA64_PR0_REGNUM + 35)
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#define IA64_PR36_REGNUM (IA64_PR0_REGNUM + 36)
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#define IA64_PR37_REGNUM (IA64_PR0_REGNUM + 37)
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#define IA64_PR38_REGNUM (IA64_PR0_REGNUM + 38)
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#define IA64_PR39_REGNUM (IA64_PR0_REGNUM + 39)
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#define IA64_PR40_REGNUM (IA64_PR0_REGNUM + 40)
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#define IA64_PR41_REGNUM (IA64_PR0_REGNUM + 41)
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#define IA64_PR42_REGNUM (IA64_PR0_REGNUM + 42)
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#define IA64_PR43_REGNUM (IA64_PR0_REGNUM + 43)
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#define IA64_PR44_REGNUM (IA64_PR0_REGNUM + 44)
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#define IA64_PR45_REGNUM (IA64_PR0_REGNUM + 45)
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#define IA64_PR46_REGNUM (IA64_PR0_REGNUM + 46)
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#define IA64_PR47_REGNUM (IA64_PR0_REGNUM + 47)
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#define IA64_PR48_REGNUM (IA64_PR0_REGNUM + 48)
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#define IA64_PR49_REGNUM (IA64_PR0_REGNUM + 49)
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#define IA64_PR50_REGNUM (IA64_PR0_REGNUM + 50)
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#define IA64_PR51_REGNUM (IA64_PR0_REGNUM + 51)
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#define IA64_PR52_REGNUM (IA64_PR0_REGNUM + 52)
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#define IA64_PR53_REGNUM (IA64_PR0_REGNUM + 53)
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#define IA64_PR54_REGNUM (IA64_PR0_REGNUM + 54)
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#define IA64_PR55_REGNUM (IA64_PR0_REGNUM + 55)
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#define IA64_PR56_REGNUM (IA64_PR0_REGNUM + 56)
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#define IA64_PR57_REGNUM (IA64_PR0_REGNUM + 57)
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#define IA64_PR58_REGNUM (IA64_PR0_REGNUM + 58)
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#define IA64_PR59_REGNUM (IA64_PR0_REGNUM + 59)
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#define IA64_PR60_REGNUM (IA64_PR0_REGNUM + 60)
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#define IA64_PR61_REGNUM (IA64_PR0_REGNUM + 61)
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#define IA64_PR62_REGNUM (IA64_PR0_REGNUM + 62)
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#define IA64_PR63_REGNUM (IA64_PR0_REGNUM + 63)
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/* Branch registers: 8 64-bit registers for holding branch targets. */
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#define IA64_BR0_REGNUM 320
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#define IA64_BR1_REGNUM (IA64_BR0_REGNUM + 1)
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#define IA64_BR2_REGNUM (IA64_BR0_REGNUM + 2)
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#define IA64_BR3_REGNUM (IA64_BR0_REGNUM + 3)
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#define IA64_BR4_REGNUM (IA64_BR0_REGNUM + 4)
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#define IA64_BR5_REGNUM (IA64_BR0_REGNUM + 5)
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#define IA64_BR6_REGNUM (IA64_BR0_REGNUM + 6)
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#define IA64_BR7_REGNUM (IA64_BR0_REGNUM + 7)
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/* Virtual frame pointer; this matches IA64_FRAME_POINTER_REGNUM in
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gcc/config/ia64/ia64.h. */
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#define IA64_VFP_REGNUM 328
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/* Virtual return address pointer; this matches
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IA64_RETURN_ADDRESS_POINTER_REGNUM in gcc/config/ia64/ia64.h. */
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#define IA64_VRAP_REGNUM 329
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/* Predicate registers: There are 64 of these 1-bit registers. We
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define a single register which is used to communicate these values
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to/from the target. We will somehow contrive to make it appear
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that IA64_PR0_REGNUM thru IA64_PR63_REGNUM hold the actual values. */
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#define IA64_PR_REGNUM 330
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/* Instruction pointer: 64 bits wide. */
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#define IA64_IP_REGNUM 331
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/* Process Status Register. */
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#define IA64_PSR_REGNUM 332
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/* Current Frame Marker (raw form may be the cr.ifs). */
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#define IA64_CFM_REGNUM 333
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/* Application registers; 128 64-bit wide registers possible, but some
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of them are reserved. */
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#define IA64_AR0_REGNUM 334
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#define IA64_KR0_REGNUM (IA64_AR0_REGNUM + 0)
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#define IA64_KR7_REGNUM (IA64_KR0_REGNUM + 7)
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#define IA64_RSC_REGNUM (IA64_AR0_REGNUM + 16)
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#define IA64_BSP_REGNUM (IA64_AR0_REGNUM + 17)
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#define IA64_BSPSTORE_REGNUM (IA64_AR0_REGNUM + 18)
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#define IA64_RNAT_REGNUM (IA64_AR0_REGNUM + 19)
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#define IA64_FCR_REGNUM (IA64_AR0_REGNUM + 21)
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#define IA64_EFLAG_REGNUM (IA64_AR0_REGNUM + 24)
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#define IA64_CSD_REGNUM (IA64_AR0_REGNUM + 25)
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#define IA64_SSD_REGNUM (IA64_AR0_REGNUM + 26)
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#define IA64_CFLG_REGNUM (IA64_AR0_REGNUM + 27)
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#define IA64_FSR_REGNUM (IA64_AR0_REGNUM + 28)
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#define IA64_FIR_REGNUM (IA64_AR0_REGNUM + 29)
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#define IA64_FDR_REGNUM (IA64_AR0_REGNUM + 30)
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#define IA64_CCV_REGNUM (IA64_AR0_REGNUM + 32)
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#define IA64_UNAT_REGNUM (IA64_AR0_REGNUM + 36)
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#define IA64_FPSR_REGNUM (IA64_AR0_REGNUM + 40)
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#define IA64_ITC_REGNUM (IA64_AR0_REGNUM + 44)
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#define IA64_PFS_REGNUM (IA64_AR0_REGNUM + 64)
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#define IA64_LC_REGNUM (IA64_AR0_REGNUM + 65)
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#define IA64_EC_REGNUM (IA64_AR0_REGNUM + 66)
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/* NAT (Not A Thing) Bits for the general registers; there are 128 of
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these. */
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#define IA64_NAT0_REGNUM 462
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#define IA64_NAT31_REGNUM (IA64_NAT0_REGNUM + 31)
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#define IA64_NAT32_REGNUM (IA64_NAT0_REGNUM + 32)
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#define IA64_NAT127_REGNUM (IA64_NAT0_REGNUM + 127)
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struct frame_info;
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struct regcache;
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/* A struction containing pointers to all the target-dependent operations
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performed to setup an inferior function call. */
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struct ia64_infcall_ops
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{
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/* Allocate a new register stack frame starting after the output
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region of the current frame. The new frame will contain SOF
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registers, all in the output region. This is one way of protecting
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the stacked registers of the current frame.
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Should do nothing if this operation is not permitted by the OS. */
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void (*allocate_new_rse_frame) (struct regcache *regcache, ULONGEST bsp,
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int sof);
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/* Store the argument stored in BUF into the appropriate location
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given the BSP and the SLOTNUM. */
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void (*store_argument_in_slot) (struct regcache *regcache, CORE_ADDR bsp,
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int slotnum, gdb_byte *buf);
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/* For targets where we cannot call the function directly, store
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the address of the function we want to call at the location
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expected by the calling sequence. */
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void (*set_function_addr) (struct regcache *regcache, CORE_ADDR func_addr);
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};
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struct gdbarch_tdep
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{
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CORE_ADDR (*sigcontext_register_address) (struct gdbarch *, CORE_ADDR, int);
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int (*pc_in_sigtramp) (CORE_ADDR);
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/* Return the total size of THIS_FRAME's register frame.
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CFM is THIS_FRAME's cfm register value.
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Normally, the size of the register frame is always obtained by
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extracting the lowest 7 bits ("cfm & 0x7f"). */
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int (*size_of_register_frame) (struct frame_info *this_frame, ULONGEST cfm);
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/* Determine the function address FADDR belongs to a shared library.
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If it does, then return the associated global pointer. If no shared
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library was found to contain that function, then return zero.
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This pointer may be NULL. */
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CORE_ADDR (*find_global_pointer_from_solib) (struct gdbarch *gdbarch,
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CORE_ADDR faddr);
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/* ISA-specific data types. */
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struct type *ia64_ext_type;
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struct ia64_infcall_ops infcall_ops;
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};
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extern void ia64_write_pc (struct regcache *, CORE_ADDR);
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#ifdef HAVE_LIBUNWIND_IA64_H
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extern unw_accessors_t ia64_unw_accessors;
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extern unw_accessors_t ia64_unw_rse_accessors;
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extern struct libunwind_descr ia64_libunwind_descr;
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#endif
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#endif /* ia64-tdep.h */
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