mirror of
https://github.com/bminor/binutils-gdb.git
synced 2025-12-11 01:53:10 +00:00
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/* Common target dependent code for GNU/Linux on PPC systems.
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Copyright (C) 2018-2024 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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#include "gdbsupport/common-defs.h"
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#include "arch/ppc-linux-common.h"
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#include "arch/ppc-linux-tdesc.h"
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/* Decimal Floating Point bit in AT_HWCAP.
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This file can be used by a host with another architecture, e.g.
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when debugging core files, which might not provide this constant. */
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#ifndef PPC_FEATURE_HAS_DFP
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#define PPC_FEATURE_HAS_DFP 0x00000400
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#endif
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bool
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ppc_linux_has_isa205 (CORE_ADDR hwcap)
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{
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/* Power ISA 2.05 (implemented by Power 6 and newer processors)
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increases the FPSCR from 32 bits to 64 bits. Even though Power 7
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supports this ISA version, it doesn't have PPC_FEATURE_ARCH_2_05
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set, only PPC_FEATURE_ARCH_2_06. Since for now the only bits
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used in the higher half of the register are for Decimal Floating
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Point, we check if that feature is available to decide the size
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of the FPSCR. */
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return ((hwcap & PPC_FEATURE_HAS_DFP) != 0);
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}
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const struct target_desc *
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ppc_linux_match_description (struct ppc_linux_features features)
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{
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const struct target_desc *tdesc = NULL;
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if (features.wordsize == 8)
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{
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if (features.vsx)
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tdesc = (features.htm? tdesc_powerpc_isa207_htm_vsx64l
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: features.isa207? tdesc_powerpc_isa207_vsx64l
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: features.ppr_dscr? tdesc_powerpc_isa205_ppr_dscr_vsx64l
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: features.isa205? tdesc_powerpc_isa205_vsx64l
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: tdesc_powerpc_vsx64l);
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else if (features.altivec)
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tdesc = (features.isa205? tdesc_powerpc_isa205_altivec64l
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: tdesc_powerpc_altivec64l);
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else
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tdesc = (features.isa205? tdesc_powerpc_isa205_64l
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: tdesc_powerpc_64l);
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}
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else
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{
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gdb_assert (features.wordsize == 4);
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if (features.vsx)
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tdesc = (features.htm? tdesc_powerpc_isa207_htm_vsx32l
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: features.isa207? tdesc_powerpc_isa207_vsx32l
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: features.ppr_dscr? tdesc_powerpc_isa205_ppr_dscr_vsx32l
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: features.isa205? tdesc_powerpc_isa205_vsx32l
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: tdesc_powerpc_vsx32l);
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else if (features.altivec)
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tdesc = (features.isa205? tdesc_powerpc_isa205_altivec32l
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: tdesc_powerpc_altivec32l);
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else
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tdesc = (features.isa205? tdesc_powerpc_isa205_32l
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: tdesc_powerpc_32l);
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}
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gdb_assert (tdesc != NULL);
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return tdesc;
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}
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