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riscv-gcc-1
Commit 58d169ba by Richard Henderson Committed by Richard Henderson
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aarch64: Configure for sys/auxv.h in libgcc for lse-init.c 

	PR target/91833
	* config/aarch64/lse-init.c: Include auto-target.h.  Disable
	initialization if !HAVE_SYS_AUXV_H.
	* configure.ac (AC_CHECK_HEADERS): Add sys/auxv.h.
	* config.in, configure: Rebuild.

From-SVN: r276134
parent 88a51d68
Showing with 37 additions and 9 deletions
libgcc/ChangeLog
2019-09-25 Richard Henderson <richard.henderson@linaro.org>
PR target/91833
* config/aarch64/lse-init.c: Include auto-target.h. Disable
initialization if !HAVE_SYS_AUXV_H.
* configure.ac (AC_CHECK_HEADERS): Add sys/auxv.h.
* config.in, configure: Rebuild.
PR target/91834
* config/aarch64/lse.S (LDNM): Ensure STXR output does not
overlap the inputs.
......
libgcc/config.in
......@@ -43,6 +43,9 @@
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the <sys/auxv.h> header file. */
#undef HAVE_SYS_AUXV_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
......@@ -82,6 +85,11 @@
/* Define to 1 if the target use emutls for thread-local storage. */
#undef USE_EMUTLS
/* Enable large inode numbers on Mac OS X 10.5. */
#ifndef _DARWIN_USE_64_BIT_INODE
# define _DARWIN_USE_64_BIT_INODE 1
#endif
/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS
......
libgcc/config/aarch64/lse-init.c
......@@ -23,12 +23,14 @@ a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "auto-target.h"
/* Define the symbol gating the LSE implementations. */
_Bool __aarch64_have_lse_atomics
__attribute__((visibility("hidden"), nocommon));
/* Disable initialization of __aarch64_have_lse_atomics during bootstrap. */
#ifndef inhibit_libc
#if !defined(inhibit_libc) && defined(HAVE_SYS_AUXV_H)
# include <sys/auxv.h>
/* Disable initialization if the system headers are too old. */
......
libgcc/configure 100644 → 100755
......@@ -675,6 +675,7 @@ infodir
docdir
oldincludedir
includedir
runstatedir
localstatedir
sharedstatedir
sysconfdir
......@@ -765,6 +766,7 @@ datadir='${datarootdir}'
sysconfdir='${prefix}/etc'
sharedstatedir='${prefix}/com'
localstatedir='${prefix}/var'
runstatedir='${localstatedir}/run'
includedir='${prefix}/include'
oldincludedir='/usr/include'
docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
......@@ -1017,6 +1019,15 @@ do
| -silent | --silent | --silen | --sile | --sil)
silent=yes ;;
-runstatedir | --runstatedir | --runstatedi | --runstated \
| --runstate | --runstat | --runsta | --runst | --runs \
| --run | --ru | --r)
ac_prev=runstatedir ;;
-runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
| --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
| --run=* | --ru=* | --r=*)
runstatedir=$ac_optarg ;;
-sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
ac_prev=sbindir ;;
-sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
......@@ -1154,7 +1165,7 @@ fi
for ac_var in exec_prefix prefix bindir sbindir libexecdir datarootdir \
datadir sysconfdir sharedstatedir localstatedir includedir \
oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
libdir localedir mandir
libdir localedir mandir runstatedir
do
eval ac_val=\$$ac_var
# Remove trailing slashes.
......@@ -1307,6 +1318,7 @@ Fine tuning of the installation directories:
--sysconfdir=DIR read-only single-machine data [PREFIX/etc]
--sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
--localstatedir=DIR modifiable single-machine data [PREFIX/var]
--runstatedir=DIR modifiable per-process data [LOCALSTATEDIR/run]
--libdir=DIR object code libraries [EPREFIX/lib]
--includedir=DIR C header files [PREFIX/include]
--oldincludedir=DIR C header files for non-gcc [/usr/include]
......@@ -4173,7 +4185,7 @@ else
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1];
......@@ -4219,7 +4231,7 @@ else
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1];
......@@ -4243,7 +4255,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1];
......@@ -4288,7 +4300,7 @@ else
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1];
......@@ -4312,7 +4324,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
We can't simply define LARGE_OFF_T to be 9223372036854775807,
since some C++ compilers masquerading as C compilers
incorrectly reject 9223372036854775807. */
#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
&& LARGE_OFF_T % 2147483647 == 1)
? 1 : -1];
......@@ -4424,7 +4436,7 @@ as_fn_arith $ac_cv_sizeof_long_double \* 8 && long_double_type_size=$as_val
for ac_header in inttypes.h stdint.h stdlib.h ftw.h \
unistd.h sys/stat.h sys/types.h \
string.h strings.h memory.h
string.h strings.h memory.h sys/auxv.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_preproc "$LINENO" "$ac_header" "$as_ac_Header"
......
libgcc/configure.ac
......@@ -207,7 +207,7 @@ AC_SUBST(long_double_type_size)
AC_CHECK_HEADERS(inttypes.h stdint.h stdlib.h ftw.h \
unistd.h sys/stat.h sys/types.h \
string.h strings.h memory.h)
string.h strings.h memory.h sys/auxv.h)
AC_HEADER_STDC
# Check for decimal float support.
......
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