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5a82c74822
Also, change sources.redhat.com to sourceware.org.
This patch was automatically generated by running the following shell
script, which uses GNU sed, and which avoids modifying files imported
from upstream:
sed -ri '
s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g
s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g
' \
$(find $(git ls-files) -prune -type f \
! -name '*.po' \
! -name 'ChangeLog*' \
! -path COPYING ! -path COPYING.LIB \
! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \
! -path manual/texinfo.tex ! -path scripts/config.guess \
! -path scripts/config.sub ! -path scripts/install-sh \
! -path scripts/mkinstalldirs ! -path scripts/move-if-change \
! -path INSTALL ! -path locale/programs/charmap-kw.h \
! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \
! '(' -name configure \
-execdir test -f configure.ac -o -f configure.in ';' ')' \
! '(' -name preconfigure \
-execdir test -f preconfigure.ac ';' ')' \
-print)
and then by running 'make dist-prepare' to regenerate files built
from the altered files, and then executing the following to cleanup:
chmod a+x sysdeps/unix/sysv/linux/riscv/configure
# Omit irrelevant whitespace and comment-only changes,
# perhaps from a slightly-different Autoconf version.
git checkout -f \
sysdeps/csky/configure \
sysdeps/hppa/configure \
sysdeps/riscv/configure \
sysdeps/unix/sysv/linux/csky/configure
# Omit changes that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines
git checkout -f \
sysdeps/powerpc/powerpc64/ppc-mcount.S \
sysdeps/unix/sysv/linux/s390/s390-64/syscall.S
# Omit change that caused a pre-commit check to fail like this:
# remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline
git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
270 lines
16 KiB
C
270 lines
16 KiB
C
/* Copyright (C) 2003-2019 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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<https://www.gnu.org/licenses/>. */
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#include <stdint.h>
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#include <sysdep.h>
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typedef int8_t atomic8_t;
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typedef uint8_t uatomic8_t;
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typedef int_fast8_t atomic_fast8_t;
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typedef uint_fast8_t uatomic_fast8_t;
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typedef int32_t atomic32_t;
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typedef uint32_t uatomic32_t;
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typedef int_fast32_t atomic_fast32_t;
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typedef uint_fast32_t uatomic_fast32_t;
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typedef intptr_t atomicptr_t;
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typedef uintptr_t uatomicptr_t;
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typedef intmax_t atomic_max_t;
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typedef uintmax_t uatomic_max_t;
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#define __HAVE_64B_ATOMICS 0
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#define USE_ATOMIC_COMPILER_BUILTINS 0
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/* XXX Is this actually correct? */
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#define ATOMIC_EXCHANGE_USES_CAS 1
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/* Microblaze does not have byte and halfword forms of load and reserve and
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store conditional. So for microblaze we stub out the 8- and 16-bit forms. */
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#define __arch_compare_and_exchange_bool_8_acq(mem, newval, oldval) \
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(abort (), 0)
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#define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \
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(abort (), 0)
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#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
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({ \
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__typeof (*(mem)) __tmp; \
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__typeof (mem) __memp = (mem); \
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int test; \
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__asm __volatile ( \
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" addc r0, r0, r0;" \
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"1: lwx %0, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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" cmp %1, %0, %4;" \
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" bnei %1, 2f;" \
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" swx %5, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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"2:" \
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: "=&r" (__tmp), \
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"=&r" (test), \
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"=m" (*__memp) \
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: "r" (__memp), \
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"r" (oldval), \
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"r" (newval) \
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: "cc", "memory"); \
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__tmp; \
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})
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#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \
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(abort (), (__typeof (*mem)) 0)
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#define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*mem) == 4) \
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__result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \
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else if (sizeof (*mem) == 8) \
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__result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \
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else \
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abort (); \
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__result; \
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})
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#define atomic_compare_and_exchange_val_rel(mem, newval, oldval) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*mem) == 4) \
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__result = __arch_compare_and_exchange_val_32_acq (mem, newval, oldval); \
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else if (sizeof (*mem) == 8) \
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__result = __arch_compare_and_exchange_val_64_acq (mem, newval, oldval); \
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else \
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abort (); \
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__result; \
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})
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#define __arch_atomic_exchange_32_acq(mem, value) \
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({ \
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__typeof (*(mem)) __tmp; \
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__typeof (mem) __memp = (mem); \
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int test; \
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__asm __volatile ( \
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" addc r0, r0, r0;" \
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"1: lwx %0, %4, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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" swx %3, %4, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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: "=&r" (__tmp), \
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"=&r" (test), \
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"=m" (*__memp) \
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: "r" (value), \
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"r" (__memp) \
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: "cc", "memory"); \
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__tmp; \
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})
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#define __arch_atomic_exchange_64_acq(mem, newval) \
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(abort (), (__typeof (*mem)) 0)
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#define atomic_exchange_acq(mem, value) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*mem) == 4) \
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__result = __arch_atomic_exchange_32_acq (mem, value); \
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else if (sizeof (*mem) == 8) \
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__result = __arch_atomic_exchange_64_acq (mem, value); \
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else \
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abort (); \
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__result; \
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})
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#define atomic_exchange_rel(mem, value) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*mem) == 4) \
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__result = __arch_atomic_exchange_32_acq (mem, value); \
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else if (sizeof (*mem) == 8) \
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__result = __arch_atomic_exchange_64_acq (mem, value); \
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else \
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abort (); \
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__result; \
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})
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#define __arch_atomic_exchange_and_add_32(mem, value) \
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({ \
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__typeof (*(mem)) __tmp; \
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__typeof (mem) __memp = (mem); \
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int test; \
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__asm __volatile ( \
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" addc r0, r0, r0;" \
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"1: lwx %0, %4, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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" add %1, %3, %0;" \
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" swx %1, %4, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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: "=&r" (__tmp), \
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"=&r" (test), \
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"=m" (*__memp) \
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: "r" (value), \
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"r" (__memp) \
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: "cc", "memory"); \
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__tmp; \
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})
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#define __arch_atomic_exchange_and_add_64(mem, value) \
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(abort (), (__typeof (*mem)) 0)
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#define atomic_exchange_and_add(mem, value) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*mem) == 4) \
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__result = __arch_atomic_exchange_and_add_32 (mem, value); \
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else if (sizeof (*mem) == 8) \
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__result = __arch_atomic_exchange_and_add_64 (mem, value); \
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else \
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abort (); \
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__result; \
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})
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#define __arch_atomic_increment_val_32(mem) \
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({ \
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__typeof (*(mem)) __val; \
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int test; \
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__asm __volatile ( \
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" addc r0, r0, r0;" \
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"1: lwx %0, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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" addi %0, %0, 1;" \
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" swx %0, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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: "=&r" (__val), \
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"=&r" (test), \
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"=m" (*mem) \
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: "r" (mem), \
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"m" (*mem) \
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: "cc", "memory"); \
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__val; \
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})
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#define __arch_atomic_increment_val_64(mem) \
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(abort (), (__typeof (*mem)) 0)
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#define atomic_increment_val(mem) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*(mem)) == 4) \
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__result = __arch_atomic_increment_val_32 (mem); \
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else if (sizeof (*(mem)) == 8) \
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__result = __arch_atomic_increment_val_64 (mem); \
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else \
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abort (); \
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__result; \
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})
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#define atomic_increment(mem) ({ atomic_increment_val (mem); (void) 0; })
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#define __arch_atomic_decrement_val_32(mem) \
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({ \
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__typeof (*(mem)) __val; \
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int test; \
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__asm __volatile ( \
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" addc r0, r0, r0;" \
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"1: lwx %0, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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" rsubi %0, %0, 1;" \
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" swx %0, %3, r0;" \
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" addic %1, r0, 0;" \
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" bnei %1, 1b;" \
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: "=&r" (__val), \
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"=&r" (test), \
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"=m" (*mem) \
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: "r" (mem), \
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"m" (*mem) \
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: "cc", "memory"); \
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__val; \
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})
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#define __arch_atomic_decrement_val_64(mem) \
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(abort (), (__typeof (*mem)) 0)
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#define atomic_decrement_val(mem) \
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({ \
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__typeof (*(mem)) __result; \
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if (sizeof (*(mem)) == 4) \
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__result = __arch_atomic_decrement_val_32 (mem); \
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else if (sizeof (*(mem)) == 8) \
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__result = __arch_atomic_decrement_val_64 (mem); \
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else \
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abort (); \
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__result; \
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})
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#define atomic_decrement(mem) ({ atomic_decrement_val (mem); (void) 0; })
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