f787e138aa
This implements mmap fallback for a brk failure during TLS allocation. scripts/tls-elf-edit.py is updated to support the new patching method. The script no longer requires that in the input object is of ET_DYN type. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* Base for test program with impossiblyh large PT_TLS segment.
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Copyright (C) 2022 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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/* The test actual binary is patched using scripts/tst-elf-edit.py
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--maximize-tls-size, and this introduces the expected test
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allocation failure due to an excessive PT_LS p_memsz value.
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Patching the binary is required because on some 64-bit targets, TLS
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relocations can only cover a 32-bit range, and glibc-internal TLS
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variables such as errno end up outside that range. */
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int
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main (void)
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{
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return 0;
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}
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