mirror of git://sourceware.org/git/glibc.git
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* Print CPU diagnostics data in ld.so. PowerPC version.
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Copyright (C) 2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dl-diagnostics.h>
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#include <dl-hwcap-info.h>
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#include <ldsodefs.h>
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#include <sys/auxv.h>
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static void
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print_hwcap_value (const char *label, int hwcap, unsigned long int value)
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{
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_dl_printf ("powerpc.cpu_features.%s=\"", label);
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size_t offset = 0;
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for (int i = 0; i < __dl_hwcap_info_size; ++i)
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{
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const char *hwcap_name = __dl_hwcap_names + offset;
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size_t hwcap_name_len = strlen (hwcap_name);
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if (hwcap == __dl_hwcap_info[i].hwcap
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&& value & __dl_hwcap_info[i].value)
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_dl_printf ("%s ", hwcap_name);
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offset += hwcap_name_len + 1;
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}
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_dl_printf ("\"\n");
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}
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void
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_dl_diagnostics_cpu (void)
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{
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print_hwcap_value ("hwcap", AT_HWCAP, GLRO(dl_hwcap));
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print_hwcap_value ("hwcap2", AT_HWCAP2, GLRO(dl_hwcap2));
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print_hwcap_value ("hwcap3", AT_HWCAP3, GLRO(dl_hwcap3));
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print_hwcap_value ("hwcap4", AT_HWCAP4, GLRO(dl_hwcap4));
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}
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