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f1ac745583
With the default "nor" constraint, current GCC will use the "o" constraint for constants, after emitting the constant to memory. That results in unparseable Systemtap probe notes such as "-4@.L1052". Removing the "o" alternative and using "nr" instead avoids this.
23 lines
1.0 KiB
C
23 lines
1.0 KiB
C
/* Macros for customizing Systemtap <sys/sdt.h>. Arm version.
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Copyright (C) 2019 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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<http://www.gnu.org/licenses/>. */
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/* The default "nor" constraint produces unparseable memory references
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for constants. Omit the problematic "o" constraint. See bug 24164
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and GCC PR 89146. */
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#define STAP_SDT_ARG_CONSTRAINT nr
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