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libstdc++: Define <stacktrace> header for C++23

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Add the <stacktrace> header and a new libstdc++_libbacktrace.a library
that provides the implementation. For now, the new library is only built
if --enable-libstdcxx-backtrace=yes is used. As with the Filesystem TS,
the new library is only provided as a static archive.

libstdc++-v3/ChangeLog:

	* acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): New macro.
	* configure.ac: Use GLIBCXX_ENABLE_BACKTRACE.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* include/std/stacktrace: New header.
	* include/std/version (__cpp_lib_stacktrace): Define.
	* Makefile.in: Regenerate.
	* config.h.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.
	* libsupc++/Makefile.in: Regenerate.
	* po/Makefile.in: Regenerate.
	* python/Makefile.in: Regenerate.
	* src/Makefile.am: Regenerate.
	* src/Makefile.in: Regenerate.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++17/Makefile.in: Regenerate.
	* src/c++20/Makefile.in: Regenerate.
	* src/c++98/Makefile.in: Regenerate.
	* src/filesystem/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.
	* src/libbacktrace/Makefile.am: New file.
	* src/libbacktrace/Makefile.in: New file.
	* src/libbacktrace/backtrace-rename.h: New file.
	* src/libbacktrace/backtrace-supported.h.in: New file.
	* src/libbacktrace/config.h.in: New file.
	* testsuite/lib/libstdc++.exp (check_effective_target_stacktrace):
	New proc.
	* testsuite/20_util/stacktrace/entry.cc: New test.
	* testsuite/20_util/stacktrace/synopsis.cc: New test.
	* testsuite/20_util/stacktrace/version.cc: New test.
This commit is contained in:
Jonathan Wakely 2021-11-15 11:08:06 +00:00
parent 5a3dc58a1d
commit 3acb929cc0
30 changed files with 2605 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
libstdc++-v3/Makefile.in
View file

@ -185,6 +185,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -196,6 +197,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -240,6 +245,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -295,6 +301,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

138
libstdc++-v3/acinclude.m4
View file

@ -49,7 +49,7 @@ AC_DEFUN([GLIBCXX_CONFIGURE], [
# Keep these sync'd with the list in Makefile.am. The first provides an
# expandable list at autoconf time; the second provides an expandable list
# (i.e., shell variable) at configure time.
m4_define([glibcxx_SUBDIRS],[include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem doc po testsuite python])
m4_define([glibcxx_SUBDIRS],[include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem src/libbacktrace doc po testsuite python])
SUBDIRS='glibcxx_SUBDIRS'
# These need to be absolute paths, yet at the same time need to
@ -4801,6 +4801,142 @@ AC_DEFUN([GLIBCXX_CHECK_ARC4RANDOM], [
AC_LANG_RESTORE
])
dnl
dnl Check to see whether to build libstdc++_libbacktrace.a
dnl
dnl --enable-libstdcxx-backtrace
dnl
AC_DEFUN([GLIBCXX_ENABLE_BACKTRACE], [
GLIBCXX_ENABLE(libstdcxx-backtrace,auto,,
[turns on libbacktrace support],
[permit yes|no|auto])
# Most of this is adapted from libsanitizer/configure.ac
BACKTRACE_CPPFLAGS=
# libbacktrace only needs atomics for int, which we've already tested
if test "$glibcxx_cv_atomic_int" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_ATOMIC_FUNCTIONS=1"
fi
# Test for __sync support.
AC_CACHE_CHECK([__sync extensions],
[glibcxx_cv_sys_sync],
[GCC_TRY_COMPILE_OR_LINK(
[int i;],
[__sync_bool_compare_and_swap (&i, i, i);
__sync_lock_test_and_set (&i, 1);
__sync_lock_release (&i);],
[glibcxx_cv_sys_sync=yes],
[glibcxx_cv_sys_sync=no])
])
if test "$glibcxx_cv_sys_sync" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_SYNC_FUNCTIONS=1"
fi
# Check for dl_iterate_phdr.
AC_CHECK_HEADERS(link.h)
if test "$ac_cv_header_link_h" = "no"; then
have_dl_iterate_phdr=no
else
# When built as a GCC target library, we can't do a link test.
AC_EGREP_HEADER([dl_iterate_phdr], [link.h], [have_dl_iterate_phdr=yes],
[have_dl_iterate_phdr=no])
fi
if test "$have_dl_iterate_phdr" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_DL_ITERATE_PHDR=1"
fi
# Check for the fcntl function.
if test -n "${with_target_subdir}"; then
case "${host}" in
*-*-mingw*) have_fcntl=no ;;
*) have_fcntl=yes ;;
esac
else
AC_CHECK_FUNC(fcntl, [have_fcntl=yes], [have_fcntl=no])
fi
if test "$have_fcntl" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_FCNTL=1"
fi
AC_CHECK_DECLS(strnlen)
# Check for getexecname function.
if test -n "${with_target_subdir}"; then
case "${host}" in
*-*-solaris2*) have_getexecname=yes ;;
*) have_getexecname=no ;;
esac
else
AC_CHECK_FUNC(getexecname, [have_getexecname=yes], [have_getexecname=no])
fi
if test "$have_getexecname" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_GETEXECNAME=1"
fi
# The library needs to be able to read the executable itself. Compile
# a file to determine the executable format. The awk script
# filetype.awk prints out the file type.
AC_CACHE_CHECK([output filetype],
[glibcxx_cv_sys_filetype],
[filetype=
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([int i;], [int j;])],
[filetype=`${AWK} -f $srcdir/../libbacktrace/filetype.awk conftest.$ac_objext`],
[AC_MSG_FAILURE([compiler failed])])
glibcxx_cv_sys_filetype=$filetype])
# Match the file type to decide what files to compile.
FORMAT_FILE=
case "$glibcxx_cv_sys_filetype" in
elf*) FORMAT_FILE="elf.lo" ;;
*) AC_MSG_WARN([could not determine output file type])
FORMAT_FILE="unknown.lo"
enable_libstdcxx_backtrace=no
;;
esac
AC_SUBST(FORMAT_FILE)
# ELF defines.
elfsize=
case "$glibcxx_cv_sys_filetype" in
elf32) elfsize=32 ;;
elf64) elfsize=64 ;;
esac
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DBACKTRACE_ELF_SIZE=$elfsize"
ALLOC_FILE=alloc.lo
AC_SUBST(ALLOC_FILE)
VIEW_FILE=read.lo
AC_SUBST(VIEW_FILE)
AC_MSG_CHECKING([whether to build libbacktrace support])
if test "$enable_libstdcxx_backtrace" == "auto"; then
enable_libstdcxx_backtrace=no
fi
if test "$enable_libstdcxx_backtrace" == "yes"; then
BACKTRACE_SUPPORTED=1
BACKTRACE_USES_MALLOC=1
if test "$ac_has_gthreads" = "yes"; then
BACKTRACE_SUPPORTS_THREADS=1
else
BACKTRACE_SUPPORTS_THREADS=0
fi
AC_SUBST(BACKTRACE_CPPFLAGS)
AC_SUBST(BACKTRACE_SUPPORTED)
AC_SUBST(BACKTRACE_USES_MALLOC)
AC_SUBST(BACKTRACE_SUPPORTS_THREADS)
AC_DEFINE(HAVE_STACKTRACE, 1, [Define if the <stacktrace> header is supported.])
else
BACKTRACE_SUPPORTED=0
BACKTRACE_USES_MALLOC=0
BACKTRACE_SUPPORTS_THREADS=0
fi
AC_MSG_RESULT($enable_libstdcxx_backtrace)
GLIBCXX_CONDITIONAL(ENABLE_BACKTRACE, [test "$enable_libstdcxx_backtrace" != no])
])
# Macros from the top-level gcc directory.
m4_include([../config/gc++filt.m4])

10
libstdc++-v3/config.h.in
View file

@ -66,6 +66,10 @@
/* Define to 1 if you have the `cosl' function. */
#undef HAVE_COSL
/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
don't. */
#undef HAVE_DECL_STRNLEN
/* Define to 1 if you have the <dirent.h> header file. */
#undef HAVE_DIRENT_H
@ -213,6 +217,9 @@
/* Define if link is available in <unistd.h>. */
#undef HAVE_LINK
/* Define to 1 if you have the <link.h> header file. */
#undef HAVE_LINK_H
/* Define if futex syscall is available. */
#undef HAVE_LINUX_FUTEX
@ -346,6 +353,9 @@
/* Define to 1 if you have the `sqrtl' function. */
#undef HAVE_SQRTL
/* Define if the <stacktrace> header is supported. */
#undef HAVE_STACKTRACE
/* Define to 1 if you have the <stdalign.h> header file. */
#undef HAVE_STDALIGN_H

317
libstdc++-v3/configure vendored
View file

@ -675,6 +675,15 @@ DOT
DOXYGEN
BUILD_INFO_FALSE
BUILD_INFO_TRUE
ENABLE_BACKTRACE_FALSE
ENABLE_BACKTRACE_TRUE
BACKTRACE_SUPPORTS_THREADS
BACKTRACE_USES_MALLOC
BACKTRACE_SUPPORTED
BACKTRACE_CPPFLAGS
VIEW_FILE
ALLOC_FILE
FORMAT_FILE
ENABLE_FILESYSTEM_TS_FALSE
ENABLE_FILESYSTEM_TS_TRUE
baseline_subdir_switch
@ -947,6 +956,7 @@ enable_libstdcxx_dual_abi
with_default_libstdcxx_abi
enable_libstdcxx_threads
enable_libstdcxx_filesystem_ts
enable_libstdcxx_backtrace
enable_cet
with_gxx_include_dir
enable_version_specific_runtime_libs
@ -1653,6 +1663,8 @@ Optional Features:
enable C++11 threads support [default=auto]
--enable-libstdcxx-filesystem-ts
turns on ISO/IEC TS 18822 support [default=auto]
--enable-libstdcxx-backtrace
turns on libbacktrace support [default=auto]
--enable-cet enable Intel CET in target libraries [default=auto]
--enable-version-specific-runtime-libs
Specify that runtime libraries should be installed
@ -5539,7 +5551,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
# expandable list at autoconf time; the second provides an expandable list
# (i.e., shell variable) at configure time.
SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem doc po testsuite python'
SUBDIRS='include libsupc++ src src/c++98 src/c++11 src/c++17 src/c++20 src/filesystem src/libbacktrace doc po testsuite python'
# These need to be absolute paths, yet at the same time need to
# canonicalize only relative paths, because then amd will not unmount
@ -12179,7 +12191,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12182 "configure"
#line 12194 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -12285,7 +12297,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12288 "configure"
#line 12300 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -15969,7 +15981,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
# Fake what AC_TRY_COMPILE does.
cat > conftest.$ac_ext << EOF
#line 15972 "configure"
#line 15984 "configure"
int main()
{
typedef bool atomic_type;
@ -16004,7 +16016,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16007 "configure"
#line 16019 "configure"
int main()
{
typedef short atomic_type;
@ -16039,7 +16051,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16042 "configure"
#line 16054 "configure"
int main()
{
// NB: _Atomic_word not necessarily int.
@ -16075,7 +16087,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
rm -f conftest*
cat > conftest.$ac_ext << EOF
#line 16078 "configure"
#line 16090 "configure"
int main()
{
typedef long long atomic_type;
@ -16228,7 +16240,7 @@ $as_echo "mutex" >&6; }
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 16231 "configure"
#line 16243 "configure"
int main()
{
_Decimal32 d1;
@ -16270,7 +16282,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
# unnecessary for this test.
cat > conftest.$ac_ext << EOF
#line 16273 "configure"
#line 16285 "configure"
template<typename T1, typename T2>
struct same
{ typedef T2 type; };
@ -76951,6 +76963,263 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
# Check whether --enable-libstdcxx-backtrace was given.
if test "${enable_libstdcxx_backtrace+set}" = set; then :
enableval=$enable_libstdcxx_backtrace;
case "$enableval" in
yes|no|auto) ;;
*) as_fn_error $? "Unknown argument to enable/disable libstdcxx-backtrace" "$LINENO" 5 ;;
esac
else
enable_libstdcxx_backtrace=auto
fi
# Most of this is adapted from libsanitizer/configure.ac
BACKTRACE_CPPFLAGS=
# libbacktrace only needs atomics for int, which we've already tested
if test "$glibcxx_cv_atomic_int" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_ATOMIC_FUNCTIONS=1"
fi
# Test for __sync support.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __sync extensions" >&5
$as_echo_n "checking __sync extensions... " >&6; }
if ${glibcxx_cv_sys_sync+:} false; then :
$as_echo_n "(cached) " >&6
else
if test x$gcc_no_link = xyes; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int i;
int
main ()
{
__sync_bool_compare_and_swap (&i, i, i);
__sync_lock_test_and_set (&i, 1);
__sync_lock_release (&i);
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
glibcxx_cv_sys_sync=yes
else
glibcxx_cv_sys_sync=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
else
if test x$gcc_no_link = xyes; then
as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int i;
int
main ()
{
__sync_bool_compare_and_swap (&i, i, i);
__sync_lock_test_and_set (&i, 1);
__sync_lock_release (&i);
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
glibcxx_cv_sys_sync=yes
else
glibcxx_cv_sys_sync=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_sys_sync" >&5
$as_echo "$glibcxx_cv_sys_sync" >&6; }
if test "$glibcxx_cv_sys_sync" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_SYNC_FUNCTIONS=1"
fi
# Check for dl_iterate_phdr.
for ac_header in link.h
do :
ac_fn_c_check_header_mongrel "$LINENO" "link.h" "ac_cv_header_link_h" "$ac_includes_default"
if test "x$ac_cv_header_link_h" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LINK_H 1
_ACEOF
fi
done
if test "$ac_cv_header_link_h" = "no"; then
have_dl_iterate_phdr=no
else
# When built as a GCC target library, we can't do a link test.
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <link.h>
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "dl_iterate_phdr" >/dev/null 2>&1; then :
have_dl_iterate_phdr=yes
else
have_dl_iterate_phdr=no
fi
rm -f conftest*
fi
if test "$have_dl_iterate_phdr" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_DL_ITERATE_PHDR=1"
fi
# Check for the fcntl function.
if test -n "${with_target_subdir}"; then
case "${host}" in
*-*-mingw*) have_fcntl=no ;;
*) have_fcntl=yes ;;
esac
else
ac_fn_c_check_func "$LINENO" "fcntl" "ac_cv_func_fcntl"
if test "x$ac_cv_func_fcntl" = xyes; then :
have_fcntl=yes
else
have_fcntl=no
fi
fi
if test "$have_fcntl" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_FCNTL=1"
fi
ac_fn_c_check_decl "$LINENO" "strnlen" "ac_cv_have_decl_strnlen" "$ac_includes_default"
if test "x$ac_cv_have_decl_strnlen" = xyes; then :
ac_have_decl=1
else
ac_have_decl=0
fi
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_STRNLEN $ac_have_decl
_ACEOF
# Check for getexecname function.
if test -n "${with_target_subdir}"; then
case "${host}" in
*-*-solaris2*) have_getexecname=yes ;;
*) have_getexecname=no ;;
esac
else
ac_fn_c_check_func "$LINENO" "getexecname" "ac_cv_func_getexecname"
if test "x$ac_cv_func_getexecname" = xyes; then :
have_getexecname=yes
else
have_getexecname=no
fi
fi
if test "$have_getexecname" = "yes"; then
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DHAVE_GETEXECNAME=1"
fi
# The library needs to be able to read the executable itself. Compile
# a file to determine the executable format. The awk script
# filetype.awk prints out the file type.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking output filetype" >&5
$as_echo_n "checking output filetype... " >&6; }
if ${glibcxx_cv_sys_filetype+:} false; then :
$as_echo_n "(cached) " >&6
else
filetype=
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int i;
int
main ()
{
int j;
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
filetype=`${AWK} -f $srcdir/../libbacktrace/filetype.awk conftest.$ac_objext`
else
{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
as_fn_error $? "compiler failed
See \`config.log' for more details" "$LINENO" 5; }
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
glibcxx_cv_sys_filetype=$filetype
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_sys_filetype" >&5
$as_echo "$glibcxx_cv_sys_filetype" >&6; }
# Match the file type to decide what files to compile.
FORMAT_FILE=
case "$glibcxx_cv_sys_filetype" in
elf*) FORMAT_FILE="elf.lo" ;;
*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: could not determine output file type" >&5
$as_echo "$as_me: WARNING: could not determine output file type" >&2;}
FORMAT_FILE="unknown.lo"
enable_libstdcxx_backtrace=no
;;
esac
# ELF defines.
elfsize=
case "$glibcxx_cv_sys_filetype" in
elf32) elfsize=32 ;;
elf64) elfsize=64 ;;
esac
BACKTRACE_CPPFLAGS="$BACKTRACE_CPPFLAGS -DBACKTRACE_ELF_SIZE=$elfsize"
ALLOC_FILE=alloc.lo
VIEW_FILE=read.lo
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build libbacktrace support" >&5
$as_echo_n "checking whether to build libbacktrace support... " >&6; }
if test "$enable_libstdcxx_backtrace" == "auto"; then
enable_libstdcxx_backtrace=no
fi
if test "$enable_libstdcxx_backtrace" == "yes"; then
BACKTRACE_SUPPORTED=1
BACKTRACE_USES_MALLOC=1
if test "$ac_has_gthreads" = "yes"; then
BACKTRACE_SUPPORTS_THREADS=1
else
BACKTRACE_SUPPORTS_THREADS=0
fi
$as_echo "#define HAVE_STACKTRACE 1" >>confdefs.h
else
BACKTRACE_SUPPORTED=0
BACKTRACE_USES_MALLOC=0
BACKTRACE_SUPPORTS_THREADS=0
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_libstdcxx_backtrace" >&5
$as_echo "$enable_libstdcxx_backtrace" >&6; }
# For Networking TS.
for ac_header in fcntl.h sys/ioctl.h sys/socket.h sys/uio.h poll.h netdb.h arpa/inet.h netinet/in.h netinet/tcp.h
do :
@ -77970,6 +78239,15 @@ else
fi
if test "$enable_libstdcxx_backtrace" != no; then
ENABLE_BACKTRACE_TRUE=
ENABLE_BACKTRACE_FALSE='#'
else
ENABLE_BACKTRACE_TRUE='#'
ENABLE_BACKTRACE_FALSE=
fi
cat >confcache <<\_ACEOF
@ -78235,6 +78513,8 @@ ac_config_files="$ac_config_files scripts/extract_symvers"
ac_config_files="$ac_config_files doc/xsl/customization.xsl"
ac_config_files="$ac_config_files src/libbacktrace/backtrace-supported.h"
# Multilibs need MULTISUBDIR defined correctly in certain makefiles so
# that multilib installs will end up installed in the correct place.
@ -78244,7 +78524,7 @@ ac_config_files="$ac_config_files doc/xsl/customization.xsl"
# append it here. Only modify Makefiles that have just been created.
#
# Also, get rid of this simulated-VPATH thing that automake does.
ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/c++17/Makefile src/c++20/Makefile src/filesystem/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
ac_config_files="$ac_config_files include/Makefile libsupc++/Makefile src/Makefile src/c++98/Makefile src/c++11/Makefile src/c++17/Makefile src/c++20/Makefile src/filesystem/Makefile src/libbacktrace/Makefile doc/Makefile po/Makefile testsuite/Makefile python/Makefile"
ac_config_commands="$ac_config_commands generate-headers"
@ -78479,6 +78759,10 @@ if test -z "${ENABLE_FILESYSTEM_TS_TRUE}" && test -z "${ENABLE_FILESYSTEM_TS_FAL
as_fn_error $? "conditional \"ENABLE_FILESYSTEM_TS\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${ENABLE_BACKTRACE_TRUE}" && test -z "${ENABLE_BACKTRACE_FALSE}"; then
as_fn_error $? "conditional \"ENABLE_BACKTRACE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${BUILD_INFO_TRUE}" && test -z "${BUILD_INFO_FALSE}"; then
as_fn_error $? "conditional \"BUILD_INFO\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
@ -79498,6 +79782,7 @@ do
"scripts/testsuite_flags") CONFIG_FILES="$CONFIG_FILES scripts/testsuite_flags" ;;
"scripts/extract_symvers") CONFIG_FILES="$CONFIG_FILES scripts/extract_symvers" ;;
"doc/xsl/customization.xsl") CONFIG_FILES="$CONFIG_FILES doc/xsl/customization.xsl" ;;
"src/libbacktrace/backtrace-supported.h") CONFIG_FILES="$CONFIG_FILES src/libbacktrace/backtrace-supported.h" ;;
"include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
"libsupc++/Makefile") CONFIG_FILES="$CONFIG_FILES libsupc++/Makefile" ;;
"src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
@ -79506,6 +79791,7 @@ do
"src/c++17/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++17/Makefile" ;;
"src/c++20/Makefile") CONFIG_FILES="$CONFIG_FILES src/c++20/Makefile" ;;
"src/filesystem/Makefile") CONFIG_FILES="$CONFIG_FILES src/filesystem/Makefile" ;;
"src/libbacktrace/Makefile") CONFIG_FILES="$CONFIG_FILES src/libbacktrace/Makefile" ;;
"doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
"po/Makefile") CONFIG_FILES="$CONFIG_FILES po/Makefile" ;;
"testsuite/Makefile") CONFIG_FILES="$CONFIG_FILES testsuite/Makefile" ;;
@ -81377,6 +81663,17 @@ _EOF
;;
"src/filesystem/Makefile":F) cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file
rm vpsed$$
echo 'MULTISUBDIR =' >> $ac_file
ml_norecursion=yes
. ${multi_basedir}/config-ml.in
{ ml_norecursion=; unset ml_norecursion;}
;;
"src/libbacktrace/Makefile":F) cat > vpsed$$ << \_EOF
s!`test -f '$<' || echo '$(srcdir)/'`!!
_EOF
sed -f vpsed$$ $ac_file > tmp$$
mv tmp$$ $ac_file

3
libstdc++-v3/configure.ac
View file

@ -489,6 +489,8 @@ AC_CHECK_HEADERS([fcntl.h dirent.h sys/statvfs.h utime.h])
GLIBCXX_ENABLE_FILESYSTEM_TS
GLIBCXX_CHECK_FILESYSTEM_DEPS
GLIBCXX_ENABLE_BACKTRACE
# For Networking TS.
AC_CHECK_HEADERS([fcntl.h sys/ioctl.h sys/socket.h sys/uio.h poll.h netdb.h arpa/inet.h netinet/in.h netinet/tcp.h])
AC_CHECK_DECL(F_GETFL,,,[#include <fcntl.h>])
@ -629,6 +631,7 @@ AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
AC_CONFIG_FILES([scripts/extract_symvers],[chmod +x scripts/extract_symvers])
AC_CONFIG_FILES([doc/xsl/customization.xsl])
AC_CONFIG_FILES([src/libbacktrace/backtrace-supported.h])
# Multilibs need MULTISUBDIR defined correctly in certain makefiles so
# that multilib installs will end up installed in the correct place.

7
libstdc++-v3/doc/Makefile.in
View file

@ -144,6 +144,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -155,6 +156,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -199,6 +204,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -254,6 +260,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

1
libstdc++-v3/include/Makefile.am
View file

@ -80,6 +80,7 @@ std_headers = \
${std_srcdir}/sstream \
${std_srcdir}/syncstream \
${std_srcdir}/stack \
${std_srcdir}/stacktrace \
${std_srcdir}/stdexcept \
${std_srcdir}/stop_token \
${std_srcdir}/streambuf \

8
libstdc++-v3/include/Makefile.in
View file

@ -144,6 +144,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -155,6 +156,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -199,6 +204,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -254,6 +260,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@
@ -431,6 +438,7 @@ std_headers = \
${std_srcdir}/sstream \
${std_srcdir}/syncstream \
${std_srcdir}/stack \
${std_srcdir}/stacktrace \
${std_srcdir}/stdexcept \
${std_srcdir}/stop_token \
${std_srcdir}/streambuf \

672
libstdc++-v3/include/std/stacktrace Normal file
View file

@ -0,0 +1,672 @@
// <stacktrace> -*- C++ -*-
// Copyright The GNU Toolchain Authors.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// 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/>.
#ifndef _GLIBCXX_STACKTRACE
#define _GLIBCXX_STACKTRACE 1
#pragma GCC system_header
#include <bits/c++config.h>
#if __cplusplus > 202002L && _GLIBCXX_HAVE_STACKTRACE
#include <compare>
#include <string>
#include <sstream>
#include <bits/stl_algobase.h>
#include <bits/stl_algo.h>
#include <bits/stl_iterator.h>
#include <bits/stl_uninitialized.h>
#include <cxxabi.h>
struct __glibcxx_backtrace_state;
struct __glibcxx_backtrace_simple_data;
extern "C"
{
__glibcxx_backtrace_state*
__glibcxx_backtrace_create_state(const char*, int,
void(*)(void*, const char*, int),
void*);
int
__glibcxx_backtrace_simple(__glibcxx_backtrace_state*, int,
int (*) (void*, uintptr_t),
void(*)(void*, const char*, int),
void*);
int
__glibcxx_backtrace_pcinfo(__glibcxx_backtrace_state*, uintptr_t,
int (*)(void*, uintptr_t,
const char*, int, const char*),
void(*)(void*, const char*, int),
void*);
int
__glibcxx_backtrace_syminfo(__glibcxx_backtrace_state*, uintptr_t addr,
void (*) (void*, uintptr_t, const char*,
uintptr_t, uintptr_t),
void(*)(void*, const char*, int),
void*);
}
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#define __cpp_lib_stacktrace 202011L
// [stacktrace.entry], class stacktrace_entry
class stacktrace_entry
{
using uint_least32_t = __UINT_LEAST32_TYPE__;
using uintptr_t = __UINTPTR_TYPE__;
public:
using native_handle_type = uintptr_t;
// [stacktrace.entry.ctor], constructors
constexpr
stacktrace_entry() noexcept = default;
constexpr
stacktrace_entry(const stacktrace_entry& __other) noexcept = default;
constexpr stacktrace_entry&
operator=(const stacktrace_entry& __other) noexcept = default;
~stacktrace_entry() = default;
// [stacktrace.entry.obs], observers
constexpr native_handle_type
native_handle() const noexcept { return _M_pc; }
constexpr explicit operator bool() const noexcept { return _M_pc != -1; }
// [stacktrace.entry.query], query
string
description() const
{
string __s;
_M_get_info(&__s, nullptr, nullptr);
return __s;
}
string
source_file() const
{
string __s;
_M_get_info(nullptr, &__s, nullptr);
return __s;
}
uint_least32_t
source_line() const
{
int __line = 0;
_M_get_info(nullptr, nullptr, &__line);
return __line;
}
// [stacktrace.entry.cmp], comparison
friend constexpr bool
operator==(const stacktrace_entry& __x,
const stacktrace_entry& __y) noexcept
{ return __x._M_pc == __y._M_pc; }
friend constexpr strong_ordering
operator<=>(const stacktrace_entry& __x,
const stacktrace_entry& __y) noexcept
{ return __x._M_pc <=> __y._M_pc; }
private:
native_handle_type _M_pc = -1;
template<typename _Allocator> friend class basic_stacktrace;
static __glibcxx_backtrace_state*
_S_init()
{
static __glibcxx_backtrace_state* __state
= __glibcxx_backtrace_create_state(nullptr, 1, nullptr, nullptr);
return __state;
}
template<typename _CharT, typename _Traits>
friend basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>&, const stacktrace_entry&);
bool
_M_get_info(string* __desc, string* __file, int* __line) const
{
if (!*this)
return false;
struct _Data
{
string* _M_desc;
string* _M_file;
int* _M_line;
} __data = { __desc, __file, __line };
auto __cb = [](void* __data, uintptr_t, const char* __filename,
int __lineno, const char* __function) -> int {
auto& __d = *static_cast<_Data*>(__data);
if (__function && __d._M_desc)
*__d._M_desc = _S_demangle(__function);
if (__filename && __d._M_file)
*__d._M_file = __filename;
if (__d._M_line)
*__d._M_line = __lineno;
return __function != nullptr;
};
const auto __state = _S_init();
if (::__glibcxx_backtrace_pcinfo(__state, _M_pc, +__cb, nullptr, &__data))
return true;
if (__desc && __desc->empty())
{
auto __cb2 = [](void* __data, uintptr_t, const char* __symname,
uintptr_t, uintptr_t) {
if (__symname)
*static_cast<_Data*>(__data)->_M_desc = _S_demangle(__symname);
};
if (::__glibcxx_backtrace_syminfo(__state, _M_pc, +__cb2, nullptr,
&__data))
return true;
}
return false;
}
static string
_S_demangle(const char* __name)
{
string __s;
int __status;
char* __str = __cxxabiv1::__cxa_demangle(__name, nullptr, nullptr,
&__status);
if (__status == 0)
__s = __str;
__builtin_free(__str);
return __s;
}
};
// [stacktrace.basic], class template basic_stacktrace
template<typename _Allocator>
class basic_stacktrace
{
using _AllocTraits = allocator_traits<_Allocator>;
public:
using value_type = stacktrace_entry;
using const_reference = const value_type&;
using reference = value_type&;
using const_iterator
= __gnu_cxx::__normal_iterator<value_type*, basic_stacktrace>;
using iterator = const_iterator;
using reverse_iterator = std::reverse_iterator<iterator>;
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
using difference_type = ptrdiff_t;
using size_type = unsigned short;
using allocator_type = _Allocator;
// [stacktrace.basic.ctor], creation and assignment
static basic_stacktrace
current(const allocator_type& __alloc = allocator_type()) noexcept
{
return current(0, size_type(-1), __alloc);
}
static basic_stacktrace
current(size_type __skip,
const allocator_type& __alloc = allocator_type()) noexcept
{
return current(__skip, size_type(-1), __alloc);
}
static basic_stacktrace
current(size_type __skip, size_type __max_depth,
const allocator_type& __alloc = allocator_type()) noexcept
{
__glibcxx_assert(__skip <= (size_type(-1) - __max_depth));
auto __state = stacktrace_entry::_S_init();
basic_stacktrace __ret(__alloc);
if (!__ret._M_reserve(std::min<int>(__max_depth, 64)))
return __ret;
auto __cb = [](void* __data, uintptr_t __pc) {
auto& __s = *static_cast<basic_stacktrace*>(__data);
stacktrace_entry __f;
__f._M_pc = __pc;
if (__s._M_push_back(__f))
return 0;
return 1;
};
if (__glibcxx_backtrace_simple(__state, __skip, +__cb, nullptr,
std::__addressof(__ret)))
{
__ret._M_clear();
}
return __ret;
}
basic_stacktrace()
noexcept(is_nothrow_default_constructible_v<allocator_type>)
{ }
explicit
basic_stacktrace(const allocator_type& __alloc) noexcept
: _M_alloc(__alloc)
{ }
basic_stacktrace(const basic_stacktrace& __other) noexcept
: basic_stacktrace(__other, __other._M_alloc)
{ }
basic_stacktrace(basic_stacktrace&& __other) noexcept
: _M_alloc(std::move(__other._M_alloc)),
_M_impl(std::__exchange(__other._M_impl, {}))
{ }
basic_stacktrace(const basic_stacktrace& __other,
const allocator_type& __alloc) noexcept
: _M_alloc(__alloc)
{
if (const auto __s = __other._M_impl._M_size)
if (auto __f = _M_impl._M_allocate(_M_alloc, __s))
{
std::uninitialized_copy_n(__other.begin(), __s, __f);
_M_impl._M_size = __s;
}
}
basic_stacktrace(basic_stacktrace&& __other,
const allocator_type& __alloc) noexcept
: _M_alloc(__alloc)
{
if constexpr (_Allocator::is_always_equal::value)
{
_M_impl = std::__exchange(__other._M_impl, {});
}
else if (_M_alloc == __other._M_alloc)
{
_M_impl = std::__exchange(__other._M_impl, {});
}
}
basic_stacktrace&
operator=(const basic_stacktrace& __other) noexcept
{
if (std::__addressof(__other) == this)
return *this;
constexpr bool __pocca
= _AllocTraits::propagate_on_container_copy_assignment::value;
constexpr bool __always_eq = _AllocTraits::is_always_equal::value;
const auto __s = __other.size();
if constexpr (!__always_eq && __pocca)
{
if (_M_alloc != __other._M_alloc)
{
// Cannot keep the same storage, so deallocate it now.
_M_clear();
}
}
if (_M_impl._M_capacity < __s)
{
// Need to allocate new storage.
_M_clear();
// Use the allocator we will have after this function returns.
auto& __alloc = __pocca ? __other._M_alloc : _M_alloc;
if (auto __f = _M_impl._M_allocate(__alloc, __s))
{
std::uninitialized_copy_n(__other.begin(), __s, __f);
_M_impl._M_size = __s;
}
}
else
{
// Current storage is large enough and can be freed by whichever
// allocator we will have after this function returns.
auto __to = std::copy_n(__other.begin(), __s, begin());
std::destroy(__to, end());
_M_impl._M_size = __s;
}
if constexpr (__pocca)
_M_alloc = __other._M_alloc;
return *this;
}
basic_stacktrace&
operator=(basic_stacktrace&& __other) noexcept
{
if (std::__addressof(__other) == this)
return *this;
constexpr bool __pocma
= _AllocTraits::propagate_on_container_move_assignment::value;
if constexpr (_AllocTraits::is_always_equal::value)
std::swap(_M_impl, __other._M_impl);
else if (_M_alloc == __other._M_alloc)
std::swap(_M_impl, __other._M_impl);
else
{
const auto __s = __other.size();
if constexpr (__pocma || _M_impl._M_capacity < __s)
{
// Need to allocate new storage.
_M_clear();
// Use the allocator we will have after this function returns.
auto& __alloc = __pocma ? __other._M_alloc : _M_alloc;
if (auto __f = _M_impl._M_allocate(__alloc, __s))
std::uninitialized_copy_n(__other.begin(), __s, __f);
}
else
{
// Current storage is large enough.
auto __first = __other.begin();
auto __mid = __first + std::min(__s, _M_impl._M_size);
auto __last = __other.end();
auto __to = std::copy(__first, __mid, begin());
__to = std::uninitialized_copy(__mid, __last, __to);
std::destroy(__to, end());
}
_M_impl._M_size = __s;
}
if constexpr (__pocma)
_M_alloc = std::move(__other._M_alloc);
return *this;
}
constexpr ~basic_stacktrace()
{
_M_clear();
}
// [stacktrace.basic.obs], observers
allocator_type get_allocator() const noexcept { return _M_alloc; }
const_iterator
begin() const noexcept
{ return const_iterator{_M_impl._M_frames}; }
const_iterator
end() const noexcept
{ return begin() + size(); }
const_reverse_iterator
rbegin() const noexcept
{ return std::make_reverse_iterator(end()); }
const_reverse_iterator
rend() const noexcept
{ return std::make_reverse_iterator(begin()); }
const_iterator cbegin() const noexcept { return begin(); }
const_iterator cend() const noexcept { return end(); }
const_reverse_iterator crbegin() const noexcept { return rbegin(); };
const_reverse_iterator crend() const noexcept { return rend(); };
[[nodiscard]] bool empty() const noexcept { return size() == 0; }
size_type size() const noexcept { return _M_impl._M_size; }
size_type max_size() const noexcept { return size_type(-1); }
const_reference
operator[](size_type __n) const noexcept
{
__glibcxx_assert(__n < size());
return begin()[__n];
}
const_reference
at(size_type __n) const
{
if (__n >= size())
__throw_out_of_range("basic_stack_trace::at: bad frame number");
return begin()[__n];
}
// [stacktrace.basic.cmp], comparisons
template<typename _Allocator2>
friend bool
operator==(const basic_stacktrace& __x,
const basic_stacktrace<_Allocator2>& __y) noexcept
{ return std::equal(__x.begin(), __x.end(), __y.begin(), __y.end()); }
template<typename _Allocator2>
friend strong_ordering
operator<=>(const basic_stacktrace& __x,
const basic_stacktrace<_Allocator2>& __y) noexcept
{
if (auto __s = __x.size() <=> __y.size(); __s != 0)
return __s;
return std::lexicographical_compare_three_way(__x.begin(), __x.end(),
__y.begin(), __y.end());
}
// [stacktrace.basic.mod], modifiers
void
swap(basic_stacktrace& __other) noexcept
{
std::swap(_M_impl. __other._M_impl);
if constexpr (_AllocTraits::propagate_on_container_swap::value)
std::swap(_M_alloc, __other._M_alloc);
}
private:
bool
_M_reserve(size_type __n) noexcept
{
return _M_impl._M_allocate(_M_alloc, __n) != nullptr;
}
bool
_M_push_back(const value_type& __x) noexcept
{
return _M_impl._M_push_back(_M_alloc, __x);
}
void
_M_clear() noexcept
{
_M_impl._M_destroy();
_M_impl._M_deallocate(_M_alloc);
}
struct _Impl
{
using pointer = typename _AllocTraits::pointer;
pointer _M_frames = nullptr;
size_type _M_size = 0;
size_type _M_capacity = 0;
// Precondition: _M_frames == nullptr
pointer
_M_allocate(allocator_type& __alloc, size_type __n) noexcept
{
__try
{
_M_frames = __n ? __alloc.allocate(__n) : nullptr;
_M_capacity = __n;
}
__catch (...)
{
_M_frames = nullptr;
_M_capacity = 0;
}
return _M_frames;
}
void
_M_deallocate(allocator_type& __alloc) noexcept
{
if (_M_capacity)
{
__alloc.deallocate(_M_frames, _M_capacity);
_M_frames = nullptr;
_M_capacity = 0;
}
}
void
_M_destroy() noexcept
{
std::destroy_n(_M_frames, _M_size);
_M_size = 0;
}
bool
_M_push_back(allocator_type& __alloc,
const stacktrace_entry& __f) noexcept
{
if (_M_size == _M_capacity)
{
_Impl __tmp;
if (auto __f = __tmp._M_allocate(__alloc, _M_capacity * 2))
std::uninitialized_copy_n(_M_frames, _M_size, __f);
else
return false;
_M_deallocate(__alloc);
std::swap(*this, __tmp);
}
stacktrace_entry* __addr = std::to_address(_M_frames + _M_size++);
std::construct_at(__addr, __f);
return true;
}
};
[[no_unique_address]] allocator_type _M_alloc{};
_Impl _M_impl{};
};
// basic_stacktrace typedef names
using stacktrace = basic_stacktrace<allocator<stacktrace_entry>>;
// [stacktrace.basic.nonmem], non-member functions
template<typename _Allocator>
inline void
swap(basic_stacktrace<_Allocator>& __a, basic_stacktrace<_Allocator>& __b)
noexcept(noexcept(__a.swap(__b)))
{ __a.swap(__b); }
template<typename _CharT, typename _Traits>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os,
const stacktrace_entry& __f)
{
string __desc, __file;
int __line;
if (__f._M_get_info(&__desc, &__file, &__line))
{
__os.width(4);
__os << __desc << " at " << __file << ':' << __line;
}
return __os;
}
template<typename _CharT, typename _Traits, typename _Allocator>
inline basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os,
const basic_stacktrace<_Allocator>& __st)
{
for (stacktrace::size_type __i = 0; __i < __st.size(); ++__i)
{
__os.width(4);
__os << __i << "# " << __st[__i] << '\n';
}
return __os;
}
inline string
to_string(const stacktrace_entry& __f)
{
std::ostringstream __os;
__os << __f;
return std::move(__os).str();
}
template<typename _Allocator>
string
to_string(const basic_stacktrace<_Allocator>& __st)
{
std::ostringstream __os;
__os << __st;
return std::move(__os).str();
}
namespace pmr
{
template<typename _Tp> class polymorphic_allocator;
using stacktrace
= basic_stacktrace<polymorphic_allocator<stacktrace_entry>>;
}
// [stacktrace.basic.hash], hash support
template<>
struct hash<stacktrace_entry>
{
size_t
operator()(const stacktrace_entry& __f) const noexcept
{
using __h = hash<stacktrace_entry::native_handle_type>;
return __h()(__f.native_handle());
}
};
template<typename _Allocator>
struct hash<basic_stacktrace<_Allocator>>
{
size_t
operator()(const basic_stacktrace<_Allocator>& __st) const noexcept
{
hash<stacktrace_entry::native_handle_type> __h;
size_t __val = _Hash_impl::hash(__st.size());
for (const auto& __f : __st)
__val = _Hash_impl::__hash_combine(__h(__f), __val);
return __val;
}
};
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif // C++23
#endif /* _GLIBCXX_STACKTRACE */

3
libstdc++-v3/include/std/version
View file

@ -312,6 +312,9 @@
#if __cpp_lib_span
# define __cpp_lib_spanstream 202106L
#endif
#if _GLIBCXX_HAVE_STACKTRACE
# define __cpp_lib_stacktrace 202011L
#endif
#define __cpp_lib_string_contains 202011L
#if _GLIBCXX_USE_CXX11_ABI // Only supported with cxx11-abi
# define __cpp_lib_string_resize_and_overwrite 202110L

7
libstdc++-v3/libsupc++/Makefile.in
View file

@ -253,6 +253,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -264,6 +265,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -308,6 +313,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -363,6 +369,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/po/Makefile.in
View file

@ -144,6 +144,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -155,6 +156,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -199,6 +204,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -254,6 +260,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/python/Makefile.in
View file

@ -174,6 +174,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -185,6 +186,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -229,6 +234,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -284,6 +290,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

11
libstdc++-v3/src/Makefile.am
View file

@ -28,8 +28,14 @@ else
filesystem_dir =
endif
if ENABLE_BACKTRACE
backtrace_dir = libbacktrace
else
backtrace_dir =
endif
## Keep this list sync'd with acinclude.m4:GLIBCXX_CONFIGURE.
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir)
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir) $(backtrace_dir)
# Cross compiler support.
if VTV_CYGMIN
@ -64,6 +70,9 @@ vpath % $(top_srcdir)/src/c++20
if ENABLE_FILESYSTEM_TS
vpath % $(top_srcdir)/src/filesystem
endif
if ENABLE_BACKTRACE
vpath % $(top_srcdir)/src/libbacktrace
endif
if GLIBCXX_LDBL_COMPAT
ldbl_compat_sources = compatibility-ldbl.cc

14
libstdc++-v3/src/Makefile.in
View file

@ -238,11 +238,12 @@ am__define_uniq_tagged_files = \
done | $(am__uniquify_input)`
ETAGS = etags
CTAGS = ctags
DIST_SUBDIRS = c++98 c++11 c++17 c++20 filesystem
DIST_SUBDIRS = c++98 c++11 c++17 c++20 filesystem libbacktrace
ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -254,6 +255,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -298,6 +303,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -353,6 +359,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@
@ -473,7 +480,9 @@ WARN_CXXFLAGS = \
AM_CPPFLAGS = $(GLIBCXX_INCLUDES) $(CPPFLAGS)
@ENABLE_FILESYSTEM_TS_FALSE@filesystem_dir =
@ENABLE_FILESYSTEM_TS_TRUE@filesystem_dir = filesystem
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir)
@ENABLE_BACKTRACE_FALSE@backtrace_dir =
@ENABLE_BACKTRACE_TRUE@backtrace_dir = libbacktrace
SUBDIRS = c++98 c++11 c++17 c++20 $(filesystem_dir) $(backtrace_dir)
@VTV_CYGMIN_FALSE@toolexeclib_LTLIBRARIES = libstdc++.la
# Cross compiler support.
@ -993,6 +1002,7 @@ vpath % $(top_srcdir)/src/c++11
vpath % $(top_srcdir)/src/c++17
vpath % $(top_srcdir)/src/c++20
@ENABLE_FILESYSTEM_TS_TRUE@vpath % $(top_srcdir)/src/filesystem
@ENABLE_BACKTRACE_TRUE@vpath % $(top_srcdir)/src/libbacktrace
@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.lo: compatibility-ldbl.cc
@GLIBCXX_LDBL_COMPAT_TRUE@ $(LTCXXCOMPILE64) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
@GLIBCXX_LDBL_COMPAT_TRUE@compatibility-ldbl.o: compatibility-ldbl.cc

7
libstdc++-v3/src/c++11/Makefile.in
View file

@ -210,6 +210,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -221,6 +222,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -265,6 +270,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -320,6 +326,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/src/c++17/Makefile.in
View file

@ -190,6 +190,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -201,6 +202,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -245,6 +250,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -300,6 +306,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/src/c++20/Makefile.in
View file

@ -185,6 +185,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -196,6 +197,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -240,6 +245,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -295,6 +301,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/src/c++98/Makefile.in
View file

@ -206,6 +206,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -217,6 +218,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -261,6 +266,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -316,6 +322,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

7
libstdc++-v3/src/filesystem/Makefile.in
View file

@ -214,6 +214,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -225,6 +226,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -269,6 +274,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -324,6 +330,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

101
libstdc++-v3/src/libbacktrace/Makefile.am Normal file
View file

@ -0,0 +1,101 @@
# Makefile.am -- Backtrace in libstdc++ Makefile.
# Copyright (C) 2012-2013 Free Software Foundation, Inc.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# (1) Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# (2) Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# (3) The name of the author may not be used to
# endorse or promote products derived from this software without
# specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
include $(top_srcdir)/fragment.am
toolexeclib_LTLIBRARIES = libstdc++_libbacktrace.la
ACLOCAL_AMFLAGS = -I ../.. -I ../../config
AM_CPPFLAGS = -I $(top_srcdir)/../include -I $(top_srcdir)/../libgcc \
-I ../../../libgcc -I .. -I $(top_srcdir) \
-I $(top_srcdir)/../libbacktrace \
-include $(top_srcdir)/src/libbacktrace/backtrace-rename.h \
$(BACKTRACE_CPPFLAGS)
WARN_FLAGS = -W -Wall -Wwrite-strings -Wmissing-format-attribute \
-Wcast-qual -Werror
C_WARN_FLAGS = $(WARN_FLAGS) -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wno-unused-but-set-variable
CXX_WARN_FLAGS = $(WARN_FLAGS) -Wno-unused-parameter
AM_CFLAGS = $(C_WARN_FLAGS)
AM_CFLAGS += $(EXTRA_CFLAGS)
AM_CXXFLAGS = $(CXX_WARN_FLAGS) -fno-rtti -fno-exceptions
AM_CXXFLAGS += $(EXTRA_CXXFLAGS)
libstdc___libbacktrace_la_SOURCES = \
../../../libbacktrace/backtrace.h \
../../../libbacktrace/atomic.c \
../../../libbacktrace/dwarf.c \
../../../libbacktrace/fileline.c \
../../../libbacktrace/internal.h \
../../../libbacktrace/posix.c \
../../../libbacktrace/sort.c \
../../../libbacktrace/simple.c \
../../../libbacktrace/state.c \
../../../libiberty/cp-demangle.c
FORMAT_FILES = \
../../../libbacktrace/elf.c \
../../../libbacktrace/unknown.c
VIEW_FILES = \
../../../libbacktrace/read.c \
../../../libbacktrace/mmapio.c
ALLOC_FILES = \
../../../libbacktrace/alloc.c \
../../../libbacktrace/mmap.c
EXTRA_libstdc___libbacktrace_la_SOURCES = \
$(FORMAT_FILES) \
$(VIEW_FILES) \
$(ALLOC_FILES)
libstdc___libbacktrace_la_LIBADD = \
$(FORMAT_FILE) \
$(VIEW_FILE) \
$(ALLOC_FILE)
libstdc___libbacktrace_la_DEPENDENCIES = $(libstdc___libbacktrace_la_LIBADD)
LTCOMPILE = \
$(LIBTOOL) --tag CC --tag disable-shared \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
--mode=compile $(CC) $(TOPLEVEL_INCLUDES) \
$(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(EXTRA_CFLAGS)
LTLDFLAGS = $(shell $(SHELL) $(top_srcdir)/../libtool-ldflags $(LDFLAGS))
LINK = \
$(LIBTOOL) --tag CC --tag disable-shared \
$(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
--mode=link $(CC) \
$(OPT_LDFLAGS) $(SECTION_LDFLAGS) $(AM_CFLAGS) $(LTLDFLAGS) -o $@

860
libstdc++-v3/src/libbacktrace/Makefile.in Normal file
View file

@ -0,0 +1,860 @@
# Makefile.in generated by automake 1.15.1 from Makefile.am.
# @configure_input@
# Copyright (C) 1994-2017 Free Software Foundation, Inc.
# This Makefile.in is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
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/* Ensure we don't pollute application namespace. */
#define backtrace_alloc __glibcxx_backtrace_alloc
#define backtrace_close __glibcxx_backtrace_close
#define backtrace_create_state __glibcxx_backtrace_create_state
#define backtrace_dwarf_add __glibcxx_backtrace_dwarf_add
#define backtrace_free __glibcxx_backtrace_free
#define backtrace_get_view __glibcxx_backtrace_get_view
#define backtrace_initialize __glibcxx_backtrace_initialize
#define backtrace_open __glibcxx_backtrace_open
#define backtrace_pcinfo __glibcxx_backtrace_pcinfo
#define backtrace_qsort __glibcxx_backtrace_qsort
#define backtrace_release_view __glibcxx_backtrace_release_view
#define backtrace_simple __glibcxx_backtrace_simple
#define backtrace_state __glibcxx_backtrace_state
#define backtrace_syminfo __glibcxx_backtrace_syminfo
#define backtrace_uncompress_lzma __glibcxx_backtrace_uncompress_lzma
#define backtrace_uncompress_zdebug __glibcxx_backtrace_uncompress_zdebug
#define backtrace_vector_finish __glibcxx_backtrace_vector_finish
#define backtrace_vector_grow __glibcxx_backtrace_vector_grow
#define backtrace_vector_release __glibcxx_backtrace_vector_release
#define backtrace_syminfo_to_full_callback __glibcxx_backtrace_syminfo_to_full_callback
#define backtrace_syminfo_to_full_error_callback __glibcxx_backtrace_syminfo_to_full_error_callback
#define cplus_demangle_builtin_types __glibcxx_cplus_demangle_builtin_types
#define cplus_demangle_fill_ctor __glibcxx_cplus_demangle_fill_ctor
#define cplus_demangle_fill_dtor __glibcxx_cplus_demangle_fill_dtor
#define cplus_demangle_fill_extended_operator __glibcxx_cplus_demangle_fill_extended_operator
#define cplus_demangle_fill_name __glibcxx_cplus_demangle_fill_name
#define cplus_demangle_init_info __glibcxx_cplus_demangle_init_info
#define cplus_demangle_mangled_name __glibcxx_cplus_demangle_mangled_name
#define cplus_demangle_operators __glibcxx_cplus_demangle_operators
#define cplus_demangle_print __glibcxx_cplus_demangle_print
#define cplus_demangle_print_callback __glibcxx_cplus_demangle_print_callback
#define cplus_demangle_type __glibcxx_cplus_demangle_type
#define cplus_demangle_v3 __glibcxx_cplus_demangle_v3
#define cplus_demangle_v3_callback __glibcxx_cplus_demangle_v3_callback
#define is_gnu_v3_mangled_ctor __glibcxx_is_gnu_v3_mangled_ctor
#define is_gnu_v3_mangled_dtor __glibcxx_is_gnu_v3_mangled_dtor
#define java_demangle_v3 __glibcxx_java_demangle_v3
#define java_demangle_v3_callback __glibcxx_java_demangle_v3_callback

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/* backtrace-supported.h.in -- Whether stack backtrace is supported.
Copyright (C) 2012-2013 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
(1) Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
(2) Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
(3) The name of the author may not be used to
endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE. */
/* The file backtrace-supported.h.in is used by configure to generate
the file backtrace-supported.h. The file backtrace-supported.h may
be #include'd to see whether the backtrace library will be able to
get a backtrace and produce symbolic information. */
/* BACKTRACE_SUPPORTED will be #define'd as 1 if the backtrace library
should work, 0 if it will not. Libraries may #include this to make
other arrangements. */
#define BACKTRACE_SUPPORTED @BACKTRACE_SUPPORTED@
/* BACKTRACE_USES_MALLOC will be #define'd as 1 if the backtrace
library will call malloc as it works, 0 if it will call mmap
instead. This may be used to determine whether it is safe to call
the backtrace functions from a signal handler. In general this
only applies to calls like backtrace and backtrace_pcinfo. It does
not apply to backtrace_simple, which never calls malloc. It does
not apply to backtrace_print, which always calls fprintf and
therefore malloc. */
#define BACKTRACE_USES_MALLOC @BACKTRACE_USES_MALLOC@
/* BACKTRACE_SUPPORTS_THREADS will be #define'd as 1 if the backtrace
library is configured with threading support, 0 if not. If this is
0, the threaded parameter to backtrace_create_state must be passed
as 0. */
#define BACKTRACE_SUPPORTS_THREADS @BACKTRACE_SUPPORTS_THREADS@

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/* config.h.in. Generated from configure.ac by autoheader. */
/* ELF size: 32 or 64 */
#undef BACKTRACE_ELF_SIZE
/* XCOFF size: 32 or 64 */
#undef BACKTRACE_XCOFF_SIZE
/* Define to 1 if you have the __atomic functions */
#undef HAVE_ATOMIC_FUNCTIONS
/* Define to 1 if you have the `clock_gettime' function. */
#undef HAVE_CLOCK_GETTIME
/* Define to 1 if you have the declaration of `getpagesize', and to 0 if you
don't. */
#undef HAVE_DECL_GETPAGESIZE
/* Define to 1 if you have the declaration of `strnlen', and to 0 if you
don't. */
#undef HAVE_DECL_STRNLEN
/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
/* Define if dl_iterate_phdr is available. */
#undef HAVE_DL_ITERATE_PHDR
/* Define to 1 if you have the fcntl function */
#undef HAVE_FCNTL
/* Define if getexecname is available. */
#undef HAVE_GETEXECNAME
/* Define if _Unwind_GetIPInfo is available. */
#undef HAVE_GETIPINFO
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have KERN_PROC and KERN_PROC_PATHNAME in <sys/sysctl.h>.
*/
#undef HAVE_KERN_PROC
/* Define to 1 if you have KERN_PROCARGS and KERN_PROC_PATHNAME in
<sys/sysctl.h>. */
#undef HAVE_KERN_PROC_ARGS
/* Define if -llzma is available. */
#undef HAVE_LIBLZMA
/* Define to 1 if you have the <link.h> header file. */
#undef HAVE_LINK_H
/* Define if AIX loadquery is available. */
#undef HAVE_LOADQUERY
/* Define to 1 if you have the `lstat' function. */
#undef HAVE_LSTAT
/* Define to 1 if you have the <mach-o/dyld.h> header file. */
#undef HAVE_MACH_O_DYLD_H
/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H
/* Define to 1 if you have the `readlink' function. */
#undef HAVE_READLINK
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H
/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H
/* Define to 1 if you have the __sync functions */
#undef HAVE_SYNC_FUNCTIONS
/* Define to 1 if you have the <sys/ldr.h> header file. */
#undef HAVE_SYS_LDR_H
/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Define if -lz is available. */
#undef HAVE_ZLIB
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
/* Define to the full name of this package. */
#undef PACKAGE_NAME
/* Define to the full name and version of this package. */
#undef PACKAGE_STRING
/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME
/* Define to the home page for this package. */
#undef PACKAGE_URL
/* Define to the version of this package. */
#undef PACKAGE_VERSION
/* The size of `char', as computed by sizeof. */
#undef SIZEOF_CHAR
/* The size of `int', as computed by sizeof. */
#undef SIZEOF_INT
/* The size of `long', as computed by sizeof. */
#undef SIZEOF_LONG
/* The size of `short', as computed by sizeof. */
#undef SIZEOF_SHORT
/* The size of `void *', as computed by sizeof. */
#undef SIZEOF_VOID_P
/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# undef _ALL_SOURCE
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# undef _GNU_SOURCE
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# undef _POSIX_PTHREAD_SEMANTICS
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# undef _TANDEM_SOURCE
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# undef __EXTENSIONS__
#endif
/* 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
/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES
/* Define to 1 if on MINIX. */
#undef _MINIX
/* Define to 2 if the system does not provide POSIX.1 features except with
this defined. */
#undef _POSIX_1_SOURCE
/* Define to 1 if you need to in order for `stat' and other things to work. */
#undef _POSIX_SOURCE

53
libstdc++-v3/testsuite/20_util/stacktrace/entry.cc Normal file
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@ -0,0 +1,53 @@
// { dg-options "-std=gnu++23 -lstdc++_libbacktrace" }
// { dg-do run { target c++23 } }
// { dg-require-effective-target stacktrace }
#include <stacktrace>
#include "testsuite_hooks.h"
static_assert( std::regular<std::stacktrace_entry> );
static_assert( std::three_way_comparable<std::stacktrace_entry> );
constexpr bool
test_constexpr()
{
std::stacktrace_entry empty;
VERIFY( !empty );
VERIFY( empty == empty );
VERIFY( std::is_eq(empty <=> empty) );
std::stacktrace_entry::native_handle_type native = empty.native_handle();
VERIFY( empty.native_handle() == native );
return true;
}
static_assert( test_constexpr() );
void
test_members()
{
std::stacktrace_entry empty;
VERIFY( empty.description().size() == 0 );
VERIFY( empty.source_file().size() == 0 );
VERIFY( empty.source_line() == 0 );
std::stacktrace_entry e1 = std::stacktrace::current().at(0);
std::stacktrace_entry e2 = std::stacktrace::current().at(0);
VERIFY( e1 != e2 );
VERIFY( e1.description() == e2.description() );
VERIFY( e1.source_file() == e2.source_file() );
VERIFY( e1.source_line() != e2.source_line() );
std::stacktrace_entry e3 = []{
return std::stacktrace::current().at(0);
}();
VERIFY( e1 != e3 );
VERIFY( e1.description() != e3.description() );
VERIFY( e1.source_file() == e3.source_file() );
VERIFY( e1.source_line() != e3.source_line() );
}
int main()
{
test_constexpr();
}

46
libstdc++-v3/testsuite/20_util/stacktrace/synopsis.cc Normal file
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@ -0,0 +1,46 @@
// { dg-options "-std=gnu++23" }
// { dg-do compile { target c++23 } }
// { dg-require-effective-target stacktrace }
#include <stacktrace>
#ifndef __cpp_lib_stacktrace
# error "Feature-test macro for stacktrace missing in <stacktrace>"
#elif __cpp_lib_stacktrace < 202011L
# error "Feature-test macro for stacktrace has wrong value in <stacktrace>"
#endif
namespace std
{
class stacktrace_entry;
template<class Allocator>
class basic_stacktrace;
using stacktrace = basic_stacktrace<allocator<stacktrace_entry>>;
template<class Allocator>
void swap(basic_stacktrace<Allocator>& a, basic_stacktrace<Allocator>& b)
noexcept(noexcept(a.swap(b)));
string to_string(const stacktrace_entry& f);
template<class Allocator>
string to_string(const basic_stacktrace<Allocator>& st);
template<class charT, class traits>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os, const stacktrace_entry& f);
template<class charT, class traits, class Allocator>
basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os, const basic_stacktrace<Allocator>& st);
namespace pmr {
using stacktrace = basic_stacktrace<polymorphic_allocator<stacktrace_entry>>;
}
template<class T> struct hash;
template<> struct hash<stacktrace_entry>;
template<class Allocator> struct hash<basic_stacktrace<Allocator>>;
}

11
libstdc++-v3/testsuite/20_util/stacktrace/version.cc Normal file
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@ -0,0 +1,11 @@
// { dg-options "-std=gnu++23" }
// { dg-do preprocess { target c++23 } }
// { dg-require-effective-target stacktrace }
#include <version>
#ifndef __cpp_lib_stacktrace
# error "Feature-test macro for stacktrace missing in <version>"
#elif __cpp_lib_stacktrace < 202011L
# error "Feature-test macro for stacktrace has wrong value in <version>"
#endif

7
libstdc++-v3/testsuite/Makefile.in
View file

@ -144,6 +144,7 @@ ABI_TWEAKS_SRCDIR = @ABI_TWEAKS_SRCDIR@
ACLOCAL = @ACLOCAL@
ALLOCATOR_H = @ALLOCATOR_H@
ALLOCATOR_NAME = @ALLOCATOR_NAME@
ALLOC_FILE = @ALLOC_FILE@
AMTAR = @AMTAR@
AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
AR = @AR@
@ -155,6 +156,10 @@ AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
BACKTRACE_CPPFLAGS = @BACKTRACE_CPPFLAGS@
BACKTRACE_SUPPORTED = @BACKTRACE_SUPPORTED@
BACKTRACE_SUPPORTS_THREADS = @BACKTRACE_SUPPORTS_THREADS@
BACKTRACE_USES_MALLOC = @BACKTRACE_USES_MALLOC@
BASIC_FILE_CC = @BASIC_FILE_CC@
BASIC_FILE_H = @BASIC_FILE_H@
CC = @CC@
@ -199,6 +204,7 @@ EXEEXT = @EXEEXT@
EXTRA_CFLAGS = @EXTRA_CFLAGS@
EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
FGREP = @FGREP@
FORMAT_FILE = @FORMAT_FILE@
FREESTANDING_FLAGS = @FREESTANDING_FLAGS@
GLIBCXX_INCLUDES = @GLIBCXX_INCLUDES@
GLIBCXX_LIBS = @GLIBCXX_LIBS@
@ -254,6 +260,7 @@ SYMVER_FILE = @SYMVER_FILE@
TOPLEVEL_INCLUDES = @TOPLEVEL_INCLUDES@
USE_NLS = @USE_NLS@
VERSION = @VERSION@
VIEW_FILE = @VIEW_FILE@
VTV_CXXFLAGS = @VTV_CXXFLAGS@
VTV_CXXLINKFLAGS = @VTV_CXXLINKFLAGS@
VTV_PCH_CXXFLAGS = @VTV_PCH_CXXFLAGS@

8
libstdc++-v3/testsuite/lib/libstdc++.exp
View file

@ -1346,6 +1346,14 @@ proc check_effective_target_std_allocator_new { } {
}]
}
# Return 1 if libstdc++ was built as --enable-libstdcxx-backtrace
proc check_effective_target_stacktrace { } {
return [check_v3_target_prop_cached et_stacktrace {
set cond "_GLIBCXX_HAVE_STACKTRACE"
return [v3_check_preprocessor_condition stacktrace $cond]
}]
}
set additional_prunes ""
if { [info exists env(GCC_RUNTEST_PARALLELIZE_DIR)] \