69abc51c17
* ppc-linux-nat.c (ppc_register_u_addr): Add special case to return offset for full 64-bit slot of FPSCR when in 32-bits. (ppc_linux_read_description): Return target description with 64-bit FPSCR when inferior is running on an ISA 2.05 or later processor. * ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Call initialize_tdec_powerpc_isa205_32l, initialize_tdec_powerpc_isa205_altivec32l, initialize_tdec_powerpc_isa205_vsx32l, initialize_tdec_powerpc_isa205_64l, initialize_tdec_powerpc_isa205_altivec64l and initialize_tdec_powerpc_isa205_vsx64l. * ppc-linux-tdep.h: Add external declaration for tdesc_powerpc_isa205_32l, tdesc_powerpc_isa205_altivec32l, tdesc_powerpc_isa205_vsx32l, tdesc_powerpc_isa205_64l, tdesc_powerpc_isa205_altivec64l and tdesc_powerpc_isa205_vsx64l. * features/rs600/powerpc-fpu-isa205.xml: New file. * features/rs600/powerpc-isa205-32l.xml: New file. * features/rs600/powerpc-isa205-64l.xml: New file. * features/rs600/powerpc-isa205-altivec32l.xml: New file. * features/rs600/powerpc-isa205-altivec64l.xml: New file. * features/rs600/powerpc-isa205-vsx32l.xml: New file. * features/rs600/powerpc-isa205-vsx64l.xml: New file. * features/rs600/powerpc-isa205-32l.c: Generate. * features/rs600/powerpc-isa205-64l.c: Generate. * features/rs600/powerpc-isa205-altivec32l.c: Generate. * features/rs600/powerpc-isa205-altivec64l.c: Generate. * features/rs600/powerpc-isa205-vsx32l.c: Generate. * features/rs600/powerpc-isa205-vsx64l.c: Generate. gdb/testsuite/ * gdb.arch/ppc-dfp.exp: New file. * gdb.arch/ppc-dfp.c: New file.
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* Copyright 2008 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 <elf.h>
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#ifdef __powerpc64__
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typedef Elf64_auxv_t auxv_t;
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#else
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typedef Elf32_auxv_t auxv_t;
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#endif
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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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int
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main (int argc, char *argv[], char *envp[], auxv_t auxv[])
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{
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int i;
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for (i = 0; auxv[i].a_type != AT_NULL; i++)
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if (auxv[i].a_type == AT_HWCAP) {
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if (!(auxv[i].a_un.a_val & PPC_FEATURE_HAS_DFP))
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return 1;
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break;
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}
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asm ("mtfsfi 7, 5, 1\n"); /* Set DFP rounding mode. */
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return 0;
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}
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