GCC Administrator
6cd8527307
Daily bump.
2023-08-23 00:17:59 +00:00
Jason Merrill
810bcc0015
c++: constrained hidden friends [PR109751]
...
r13-4035 avoided a problem with overloading of constrained hidden friends by
checking satisfaction, but checking satisfaction early is inconsistent with
the usual late checking and can lead to hard errors, so let's not do that
after all.
We were wrongly treating the different instantiations of the same friend
template as the same function because maybe_substitute_reqs_for was failing
to actually substitute in the case of a non-template friend. But we don't
actually need to do the substitution anyway, because [temp.friend] says that
such a friend can't be the same as any other declaration.
After fixing that, instead of a redefinition error we got an ambiguous
overload error, fixed by allowing constrained hidden friends to coexist
until overload resolution, at which point they probably won't be in the same
ADL overload set anyway.
And we avoid mangling collisions by following the proposed mangling for
these friends as a member function with an extra 'F' before the name. I
demangle this by just adding [friend] to the name of the function because
it's not feasible to reconstruct the actual scope of the function since the
mangling ABI doesn't distinguish between class and namespace scopes.
PR c++/109751
gcc/cp/ChangeLog:
* cp-tree.h (member_like_constrained_friend_p): Declare.
* decl.cc (member_like_constrained_friend_p): New.
(function_requirements_equivalent_p): Check it.
(duplicate_decls): Check it.
(grokfndecl): Check friend template constraints.
* mangle.cc (decl_mangling_context): Check it.
(write_unqualified_name): Check it.
* pt.cc (uses_outer_template_parms_in_constraints): Fix for friends.
(tsubst_friend_function): Don't check satisfaction.
include/ChangeLog:
* demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_FRIEND.
libiberty/ChangeLog:
* cp-demangle.c (d_make_comp): Handle DEMANGLE_COMPONENT_FRIEND.
(d_count_templates_scopes): Likewise.
(d_print_comp_inner): Likewise.
(d_unqualified_name): Handle member-like friend mangling.
* testsuite/demangle-expected: Add test.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-friend11.C: Now works. Add template.
* g++.dg/cpp2a/concepts-friend15.C: New test.
2023-08-22 14:34:53 -04:00
GCC Administrator
4b92dba78d
Daily bump.
2023-08-08 00:17:37 +00:00
John Ericson
9fc0ae6033
Deprecate a.out support for NetBSD targets.
...
As discussed previously, a.out support is now quite deprecated, and in
some cases removed, in both Binutils itself and NetBSD, so this legacy
default makes little sense. `netbsdelf*` and `netbsdaout*` still work
allowing the user to be explicit about there choice. Additionally, the
configure script warns about the change as Nick Clifton requested.
One possible concern was the status of NetBSD on NS32K, where only a.out
was supported. But per [1] NetBSD has removed support, and if it were to
come back, it would be with ELF. The binutils implementation is
therefore marked obsolete, per the instructions in the last message.
With that patch and this one applied, I have confirmed the following:
--target=i686-unknown-netbsd
--target=i686-unknown-netbsdelf
builds completely
--target=i686-unknown-netbsdaout
properly fails because target is deprecated.
--target=vax-unknown-netbsdaout builds completely except for gas, where
the target is deprecated.
[1]: https://mail-index.netbsd.org/tech-toolchain/2021/07/19/msg004025.html
config/ChangeLog:
* picflag.m4: Simplify SHmedia NetBSD match by presuming ELF.
gcc/ChangeLog:
* configure: Regenerate.
libada/ChangeLog:
* configure: Regenerate.
libgcc/ChangeLog:
* configure: Regenerate.
libiberty/ChangeLog:
* configure: Regenerate.
2023-08-07 22:59:41 +02:00
H.J. Lu
9c7797a8c2
GCC: Check if AR works with --plugin and rc
...
AR from older binutils doesn't work with --plugin and rc:
[hjl@gnu-cfl-2 bin]$ touch foo.c
[hjl@gnu-cfl-2 bin]$ ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
[hjl@gnu-cfl-2 bin]$ ./ar --plugin /usr/libexec/gcc/x86_64-redhat-linux/10/liblto_plugin.so rc libfoo.a foo.c
./ar: no operation specified
[hjl@gnu-cfl-2 bin]$ ./ar --version
GNU ar (Linux/GNU Binutils) 2.29.51.0.1.20180112
Copyright (C) 2018 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or (at your option) any later version.
This program has absolutely no warranty.
[hjl@gnu-cfl-2 bin]$
Check if AR works with --plugin and rc before passing --plugin to AR and
RANLIB.
ChangeLog:
* configure: Regenerated.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Check if AR works with
--plugin and rc before enabling --plugin.
config/ChangeLog:
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): Check if AR works with
--plugin and rc before enabling --plugin.
gcc/ChangeLog:
* configure: Regenerate.
libatomic/ChangeLog:
* configure: Regenerate.
libbacktrace/ChangeLog:
* configure: Regenerate.
libcc1/ChangeLog:
* configure: Regenerate.
libffi/ChangeLog:
* configure: Regenerate.
libgfortran/ChangeLog:
* configure: Regenerate.
libgm2/ChangeLog:
* configure: Regenerate.
libgomp/ChangeLog:
* configure: Regenerate.
libiberty/ChangeLog:
* configure: Regenerate.
libitm/ChangeLog:
* configure: Regenerate.
libobjc/ChangeLog:
* configure: Regenerate.
libphobos/ChangeLog:
* configure: Regenerate.
libquadmath/ChangeLog:
* configure: Regenerate.
libsanitizer/ChangeLog:
* configure: Regenerate.
libssp/ChangeLog:
* configure: Regenerate.
libstdc++-v3/ChangeLog:
* configure: Regenerate.
libvtv/ChangeLog:
* configure: Regenerate.
lto-plugin/ChangeLog:
* configure: Regenerate.
zlib/ChangeLog:
* configure: Regenerate.
2023-08-07 22:59:37 +02:00
H.J. Lu
126f707efb
Sync with binutils: GCC: Pass --plugin to AR and RANLIB
...
Sync with binutils for building binutils with LTO:
50ad1254d50 GCC: Pass --plugin to AR and RANLIB
Detect GCC LTO plugin. Pass --plugin to AR and RANLIB to support LTO
build.
ChangeLog:
* Makefile.tpl (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
* configure.ac: Include config/gcc-plugin.m4.
AC_SUBST AR_PLUGIN_OPTION and RANLIB_PLUGIN_OPTION.
* libtool.m4 (_LT_CMD_OLD_ARCHIVE): Pass --plugin to AR and
RANLIB if possible.
* Makefile.in: Regenerated.
* configure: Likewise.
config/ChangeLog:
* gcc-plugin.m4 (GCC_PLUGIN_OPTION): New.
libiberty/ChangeLog:
* Makefile.in (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
(configure_deps): Depend on ../config/gcc-plugin.m4.
* configure.ac: AC_SUBST AR_PLUGIN_OPTION and
RANLIB_PLUGIN_OPTION.
* aclocal.m4: Regenerated.
* configure: Likewise.
zlib/ChangeLog:
* configure: Regenerated.
gcc/ChangeLog:
* configure: Regenerate.
libatomic/ChangeLog:
* configure: Regenerate.
libbacktrace/ChangeLog:
* configure: Regenerate.
libcc1/ChangeLog:
* configure: Regenerate.
libffi/ChangeLog:
* configure: Regenerate.
libgfortran/ChangeLog:
* configure: Regenerate.
libgm2/ChangeLog:
* configure: Regenerate.
libgomp/ChangeLog:
* configure: Regenerate.
libitm/ChangeLog:
* configure: Regenerate.
libobjc/ChangeLog:
* configure: Regenerate.
libphobos/ChangeLog:
* configure: Regenerate.
libquadmath/ChangeLog:
* configure: Regenerate.
libsanitizer/ChangeLog:
* configure: Regenerate.
libssp/ChangeLog:
* configure: Regenerate.
libstdc++-v3/ChangeLog:
* configure: Regenerate.
libvtv/ChangeLog:
* configure: Regenerate.
lto-plugin/ChangeLog:
* configure: Regenerate.
2023-08-07 22:59:36 +02:00
GCC Administrator
7ff793415f
Daily bump.
2023-06-16 00:17:18 +00:00
Marek Polacek
b6cb10af12
configure: Implement --enable-host-pie
...
[ This is my third attempt to add this configure option. The first
version was approved but it came too late in the development cycle.
The second version was also approved, but I had to revert it:
<https://gcc.gnu.org/pipermail/gcc-patches/2022-November/607082.html >.
I've fixed the problem (by moving $(PICFLAG) from INTERNAL_CFLAGS to
ALL_COMPILERFLAGS). Another change is that since r13-4536 I no longer
need to touch Makefile.def, so this patch is simplified. ]
This patch implements the --enable-host-pie configure option which
makes the compiler executables PIE. This can be used to enhance
protection against ROP attacks, and can be viewed as part of a wider
trend to harden binaries.
It is similar to the option --enable-host-shared, except that --e-h-s
won't add -shared to the linker flags whereas --e-h-p will add -pie.
It is different from --enable-default-pie because that option just
adds an implicit -fPIE/-pie when the compiler is invoked, but the
compiler itself isn't PIE.
Since r12-5768-gfe7c3ecf, PCH works well with PIE, so there are no PCH
regressions.
When building the compiler, the build process may use various in-tree
libraries; these need to be built with -fPIE so that it's possible to
use them when building a PIE. For instance, when --with-included-gettext
is in effect, intl object files must be compiled with -fPIE. Similarly,
when building in-tree gmp, isl, mpfr and mpc, they must be compiled with
-fPIE.
With this patch and --enable-host-pie used to configure gcc:
$ file gcc/cc1{,plus,obj,gm2} gcc/f951 gcc/lto1 gcc/cpp gcc/go1 gcc/rust1 gcc/gnat1
gcc/cc1: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=98e22cde129d304aa6f33e61b1c39e144aeb135e, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/cc1plus: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=859d1ea37e43dfe50c18fd4e3dd9a34bb1db8f77, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/cc1obj: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=1964f8ecee6163182bc26134e2ac1f324816e434, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/cc1gm2: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=a396672c7ff913d21855829202e7b02ecf42ff4c, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/f951: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=59c523db893186547ac75c7a71f48be0a461c06b, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/lto1: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=084a7b77df7be2d63c2d4c655b5bbc3fcdb6038d, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/cpp: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=3503bf8390d219a10d6653b8560aa21158132168, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/go1: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=988cc673af4fba5dcb482f4b34957b99050a68c5, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/rust1: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=b6a5d3d514446c4dcdee0707f086ab9b274a8a3c, for GNU/Linux 3.2.0, with debug_info, not stripped
gcc/gnat1: ELF 64-bit LSB pie executable, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=bb11ccdc2c366fe3fe0980476bcd8ca19b67f9dc, for GNU/Linux 3.2.0, with debug_info, not stripped
I plan to add an option to link with -Wl,-z,now.
Bootstrapped on x86_64-pc-linux-gnu with --with-included-gettext
--enable-host-pie as well as without --enable-host-pie. Also tested
on a Debian system where the system gcc was configured with
--enable-default-pie.
Co-Authored by: Iain Sandoe <iain@sandoe.co.uk>
ChangeLog:
* configure.ac (--enable-host-pie): New check. Set PICFLAG after this
check.
* configure: Regenerate.
c++tools/ChangeLog:
* Makefile.in: Rename PIEFLAG to PICFLAG. Set LD_PICFLAG. Use it.
Use pic/libiberty.a if PICFLAG is set.
* configure.ac (--enable-default-pie): Set PICFLAG instead of PIEFLAG.
(--enable-host-pie): New check.
* configure: Regenerate.
fixincludes/ChangeLog:
* Makefile.in: Set and use PICFLAG and LD_PICFLAG. Use the "pic"
build of libiberty if PICFLAG is set.
* configure.ac:
* configure: Regenerate.
gcc/ChangeLog:
* Makefile.in: Set LD_PICFLAG. Use it. Set enable_host_pie.
Remove NO_PIE_CFLAGS and NO_PIE_FLAG. Pass LD_PICFLAG to
ALL_LINKERFLAGS. Use the "pic" build of libiberty if --enable-host-pie.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this
check.
* configure: Regenerate.
* doc/install.texi: Document --enable-host-pie.
gcc/ada/ChangeLog:
* gcc-interface/Make-lang.in (ALL_ADAFLAGS): Remove NO_PIE_CFLAGS. Add
PICFLAG. Use PICFLAG when building ada/b_gnat1.o and ada/b_gnatb.o.
* gcc-interface/Makefile.in: Use pic/libiberty.a if PICFLAG is set.
Remove NO_PIE_FLAG.
gcc/m2/ChangeLog:
* Make-lang.in: New var, GM2_PICFLAGS. Use it.
gcc/d/ChangeLog:
* Make-lang.in: Remove NO_PIE_CFLAGS.
intl/ChangeLog:
* Makefile.in: Use @PICFLAG@ in COMPILE as well.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libcody/ChangeLog:
* Makefile.in: Pass LD_PICFLAG to LDFLAGS.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this
check.
* configure: Regenerate.
libcpp/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libdecnumber/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libiberty/ChangeLog:
* configure.ac: Also set shared when enable_host_pie.
* configure: Regenerate.
zlib/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
2023-06-15 16:51:27 -04:00
GCC Administrator
532fb12035
Daily bump.
2023-06-14 00:17:28 +00:00
Nathan Sidwell
5a89703618
c++: Fix templated convertion operator demangling
...
Instantiations of templated conversion operators failed to demangle
for cases such as 'operator X<int>', but worked for 'operator X<int>
&', due to thinking the template instantiation of X was the
instantiation of the conversion operator itself.
libiberty/
* cp-demangle.c (d_print_conversion): Remove incorrect
template instantiation handling.
* testsuite/demangle-expected: Add testcases.
2023-06-13 17:07:01 -04:00
GCC Administrator
8c5b136583
Daily bump.
2023-06-08 00:17:20 +00:00
Costas Argyris
3fe017ee79
libiberty: writeargv: Simplify function error mode.
...
You are right, this is also a remnant of the old function design
that I completely missed. Here is the follow-up patch for that.
Thanks for pointing it out.
Costas
On Tue, 6 Jun 2023 at 04:12, Jeff Law <jeffreyalaw@gmail.com> wrote:
On 6/5/23 08:37, Costas Argyris via Gcc-patches wrote:
> writeargv can be simplified by getting rid of the error exit mode
> that was only relevant many years ago when the function used
> to open the file descriptor internally.
[ ... ]
Thanks. I've pushed this to the trunk.
You could (as a follow-up) simplify it even further. There's no need
for the status variable as far as I can tell. You could just have the
final return be "return 0;" instead of "return status;".
libiberty/
* argv.c (writeargv): Constant propagate "0" for "status",
simplifying the code slightly.
2023-06-06 20:50:07 -06:00
GCC Administrator
4f0d4825fa
Daily bump.
2023-06-07 00:17:25 +00:00
Costas Argyris
4d1e4ce986
libiberty: writeargv: Simplify function error mode.
...
writeargv can be simplified by getting rid of the error exit mode
that was only relevant many years ago when the function used
to open the file descriptor internally.
0001-libiberty-writeargv-Simplify-function-error-mode.patch
From 1271552baee5561fa61652f4ca7673c9667e4f8f Mon Sep 17 00:00:00 2001
From: Costas Argyris <costas.argyris@gmail.com>
Date: Mon, 5 Jun 2023 15:02:06 +0100
Subject: [PATCH] libiberty: writeargv: Simplify function error mode.
The goto-based error mode was based on a previous version
of the function where it was responsible for opening the
file, so it had to close it upon any exit:
https://inbox.sourceware.org/gcc-patches/20070417200340.GM9017@sparrowhawk.codesourcery.com/
(thanks pinskia)
This is no longer the case though since now the function
takes the file descriptor as input, so the exit mode on
error can be just a simple return 1 statement.
libiberty/
* argv.c (writeargv): Simplify & remove gotos.
Signed-off-by: Costas Argyris <costas.argyris@gmail.com>
2023-06-05 21:10:26 -06:00
GCC Administrator
14da764809
Daily bump.
2023-06-06 00:17:33 +00:00
Costas Argyris
7ee22dc892
libiberty: pex-win32.c: Fix some typos.
...
libiberty/ChangeLog:
* pex-win32.c: fix typos.
Signed-off-by: Costas Argyris <costas.argyris@gmail.com>
Signed-off-by: Jonathan Yong <10walls@gmail.com>
2023-06-05 12:13:28 +00:00
Costas Argyris
180ebb8a24
libiberty: On Windows, pass a >32k cmdline through a response file.
...
pex-win32.c (win32_spawn): If the command line for CreateProcess
exceeds the 32k Windows limit, try to store it in a temporary
response file and call CreateProcess with @file instead (PR71850).
Signed-off-by: Costas Argyris <costas.argyris@gmail.com>
Signed-off-by: Jonathan Yong <10walls@gmail.com>
libiberty/ChangeLog:
* pex-win32.c (win32_spawn): Check command line length
and generate a response file if necessary.
(spawn_script): Adjust parameters.
(pex_win32_exec_child): Ditto.
Signed-off-by: Jonathan Yong <10walls@gmail.com>
2023-06-05 08:11:39 +00:00
GCC Administrator
321cee7e29
Daily bump.
2023-06-04 00:16:43 +00:00
Patrick Palka
999e617d31
c++: mangle noexcept-expr [PR70790]
...
This implements noexcept(expr) mangling and demangling as per the
Itanium ABI.
PR c++/70790
gcc/cp/ChangeLog:
* mangle.cc (write_expression): Handle NOEXCEPT_EXPR.
libiberty/ChangeLog:
* cp-demangle.c (cplus_demangle_operators): Add the noexcept
operator.
(d_print_comp_inner) <case DEMANGLE_COMPONENT_UNARY>: Always
print parens around the operand of noexcept too.
* testsuite/demangle-expected: Test noexcept operator
demangling.
gcc/testsuite/ChangeLog:
* g++.dg/abi/mangle78.C: New test.
2023-06-03 09:03:27 -04:00
GCC Administrator
5f10c7f2d8
Daily bump.
2023-04-03 00:16:43 +00:00
Jakub Jelinek
1719fa40c4
libiberty: Make strstr.c in libiberty ANSI compliant
...
On Fri, Nov 13, 2020 at 11:53:43AM -0700, Jeff Law via Gcc-patches wrote:
>
> On 5/1/20 6:06 PM, Seija Kijin via Gcc-patches wrote:
> > The original code in libiberty says "FIXME" and then says it has not been
> > validated to be ANSI compliant. However, this patch changes the function to
> > match implementations that ARE compliant, and such code is in the public
> > domain.
> >
> > I ran the test results, and there are no test failures.
>
> Thanks. This seems to be the standard "simple" strstr implementation.
> There's significantly faster implementations available, but I doubt it's
> worth the effort as the version in this file only gets used if there is
> no system strstr.c.
Except that PR109306 says the new version is non-compliant and
is certainly slower than what we used to have. The only problem I see
on the old version (sure, it is not very fast version) is that for
strstr ("abcd", "") it returned "abcd"+4 rather than "abcd" because
strchr in that case changed p to point to the last character and then
strncmp returned 0.
The question reported in PR109306 is whether memcmp is required not to
access characters beyond the first difference or not.
For all of memcmp/strcmp/strncmp, C17 says:
"The sign of a nonzero value returned by the comparison functions memcmp, strcmp, and strncmp
is determined by the sign of the difference between the values of the first pair of characters (both
interpreted as unsigned char) that differ in the objects being compared."
but then in memcmp description says:
"The memcmp function compares the first n characters of the object pointed to by s1 to the first n
characters of the object pointed to by s2."
rather than something similar to strncmp wording:
"The strncmp function compares not more than n characters (characters that follow a null character
are not compared) from the array pointed to by s1 to the array pointed to by
s2."
So, while for strncmp it seems clearly well defined when there is zero
terminator before reaching the n, for memcmp it is unclear if say
int
memcmp (const void *s1, const void *s2, size_t n)
{
int ret = 0;
size_t i;
const unsigned char *p1 = (const unsigned char *) s1;
const unsigned char *p2 = (const unsigned char *) s2;
for (i = n; i; i--)
if (p1[i - 1] != p2[i - 1])
ret = p1[i - 1] < p2[i - 1] ? -1 : 1;
return ret;
}
wouldn't be valid implementation (one which always compares all characters
and just returns non-zero from the first one that differs).
So, shouldn't we just revert and handle the len == 0 case correctly?
I think almost nothing really uses it, but still, the old version
at least worked nicer with a fast strchr.
Could as well strncmp (p + 1, s2 + 1, len - 1) if that is preferred
because strchr already compared the first character.
2023-04-02 Jakub Jelinek <jakub@redhat.com>
PR other/109306
* strstr.c: Revert the 2020-11-13 changes.
(strstr): Return s1 if len is 0.
2023-04-02 20:05:31 +02:00
GCC Administrator
d20a6a3311
Daily bump.
2023-03-31 00:17:02 +00:00
Gerald Pfeifer
83d2b1ccd1
libiberty: Remove a reference to the Glibc manual
...
longjmp is not specific to Glibc, and GCC supports lots of systems
that do not use Glibc. Plus this link has been broken in the web
version for ages without a good way to fix.
libiberty/ChangeLog:
* obstacks.texi (Preparing for Obstacks): Remove a (broken)
reference to the Glibc manual.
2023-03-30 23:41:24 +02:00
GCC Administrator
2aa6673eef
Daily bump.
2023-03-04 00:16:30 +00:00
Costas Argyris
59bc2b68de
libiberty: fix memory leak in pex-win32.c and refactor
...
Fix memory leak of cmdline buffer and refactor to have
cleanup code appear once for all exit cases.
libiberty/ChangeLog:
* pex-win32.c (win32_spawn): Fix memory leak of cmdline
buffer and refactor to have cleanup code appear once
for all exit cases.
Signed-off-by: Jonathan Yong <10walls@gmail.com>
2023-03-03 10:45:43 +00:00
GCC Administrator
ee11788783
Daily bump.
2023-02-12 00:17:22 +00:00
niXman
e2bb55ec3b
libiberty: fix lrealpath on Windows NTFS symlinks
...
gcc computes the wrong prefix if invoked through an NTFS
symlink. Try to resolve it if possible.
PR/108350
libiberty/ChangeLog:
* lrealpath.c (lrealpath): try to resolve symlink and
use UNC paths where applicable.
Signed-off-by: Jonathan Yong <10walls@gmail.com>
2023-02-11 06:29:43 +00:00
Jakub Jelinek
83ffe9cde7
Update copyright years.
2023-01-16 11:52:17 +01:00
GCC Administrator
d901bf8a44
Daily bump.
2023-01-08 00:16:59 +00:00
LIU Hao
902c755930
Always define WIN32_LEAN_AND_MEAN before <windows.h>
...
Recently, mingw-w64 has got updated <msxml.h> from Wine which is included
indirectly by <windows.h> if `WIN32_LEAN_AND_MEAN` is not defined. The
`IXMLDOMDocument` class has a member function named `abort()`, which gets
affected by our `abort()` macro in "system.h".
`WIN32_LEAN_AND_MEAN` should, nevertheless, always be defined. This
can exclude 'APIs such as Cryptography, DDE, RPC, Shell, and Windows
Sockets' [1], and speed up compilation of these files a bit.
[1] https://learn.microsoft.com/en-us/windows/win32/winprog/using-the-windows-headers
gcc/
PR middle-end/108300
* config/xtensa/xtensa-dynconfig.c: Define `WIN32_LEAN_AND_MEAN`
before <windows.h>.
* diagnostic-color.cc: Likewise.
* plugin.cc: Likewise.
* prefix.cc: Likewise.
gcc/ada/
PR middle-end/108300
* adaint.c: Define `WIN32_LEAN_AND_MEAN` before `#include
<windows.h>`.
* cio.c: Likewise.
* ctrl_c.c: Likewise.
* expect.c: Likewise.
* gsocket.h: Likewise.
* mingw32.h: Likewise.
* mkdir.c: Likewise.
* rtfinal.c: Likewise.
* rtinit.c: Likewise.
* seh_init.c: Likewise.
* sysdep.c: Likewise.
* terminals.c: Likewise.
* tracebak.c: Likewise.
gcc/jit/
PR middle-end/108300
* jit-w32.h: Define `WIN32_LEAN_AND_MEAN` before <windows.h>.
libatomic/
PR middle-end/108300
* config/mingw/lock.c: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
libffi/
PR middle-end/108300
* src/aarch64/ffi.c: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
libgcc/
PR middle-end/108300
* config/i386/enable-execute-stack-mingw32.c: Define
`WIN32_LEAN_AND_MEAN` before <windows.h>.
* libgcc2.c: Likewise.
* unwind-generic.h: Likewise.
libgfortran/
PR middle-end/108300
* intrinsics/sleep.c: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
libgomp/
PR middle-end/108300
* config/mingw32/proc.c: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
libiberty/
PR middle-end/108300
* make-temp-file.c: Define `WIN32_LEAN_AND_MEAN` before <windows.h>.
* pex-win32.c: Likewise.
libssp/
PR middle-end/108300
* ssp.c: Define `WIN32_LEAN_AND_MEAN` before <windows.h>.
libstdc++-v3/
PR middle-end/108300
* src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before
<windows.h>.
* src/c++11/thread.cc: Likewise.
* src/c++17/fs_ops.cc: Likewise.
* src/filesystem/ops.cc: Likewise.
libvtv/
PR middle-end/108300
* vtv_malloc.cc: Define `WIN32_LEAN_AND_MEAN` before <windows.h>.
* vtv_rts.cc: Likewise.
* vtv_utils.cc: Likewise.
2023-01-07 06:51:06 +00:00
GCC Administrator
8761284fd7
Daily bump.
2022-11-24 00:17:47 +00:00
Marek Polacek
04711f5189
Revert "configure: Implement --enable-host-pie"
...
This reverts commit 251c72a68a
2022-11-22 21:10:31 -05:00
Marek Polacek
251c72a68a
configure: Implement --enable-host-pie
...
This patch implements the --enable-host-pie configure option which
makes the compiler executables PIE. This can be used to enhance
protection against ROP attacks, and can be viewed as part of a wider
trend to harden binaries.
It is similar to the option --enable-host-shared, except that --e-h-s
won't add -shared to the linker flags whereas --e-h-p will add -pie.
It is different from --enable-default-pie because that option just
adds an implicit -fPIE/-pie when the compiler is invoked, but the
compiler itself isn't PIE.
Since r12-5768-gfe7c3ecf, PCH works well with PIE, so there are no PCH
regressions.
When building the compiler, the build process may use various in-tree
libraries; these need to be built with -fPIE so that it's possible to
use them when building a PIE. For instance, when --with-included-gettext
is in effect, intl object files must be compiled with -fPIE. Similarly,
when building in-tree gmp, isl, mpfr and mpc, they must be compiled with
-fPIE.
I plan to add an option to link with -Wl,-z,now.
ChangeLog:
* Makefile.def: Pass $(PICFLAG) to AM_CFLAGS for gmp, mpfr, mpc, and
isl.
* Makefile.in: Regenerate.
* Makefile.tpl: Set PICFLAG.
* configure.ac (--enable-host-pie): New check. Set PICFLAG after this
check.
* configure: Regenerate.
c++tools/ChangeLog:
* Makefile.in: Rename PIEFLAG to PICFLAG. Set LD_PICFLAG. Use it.
Use pic/libiberty.a if PICFLAG is set.
* configure.ac (--enable-default-pie): Set PICFLAG instead of PIEFLAG.
(--enable-host-pie): New check.
* configure: Regenerate.
fixincludes/ChangeLog:
* Makefile.in: Set and use PICFLAG and LD_PICFLAG. Use the "pic"
build of libiberty if PICFLAG is set.
* configure.ac:
* configure: Regenerate.
gcc/ChangeLog:
* Makefile.in: Set LD_PICFLAG. Use it. Set enable_host_pie.
Remove NO_PIE_CFLAGS and NO_PIE_FLAG. Pass LD_PICFLAG to
ALL_LINKERFLAGS. Use the "pic" build of libiberty if --enable-host-pie.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this
check.
* configure: Regenerate.
* doc/install.texi: Document --enable-host-pie.
gcc/d/ChangeLog:
* Make-lang.in: Remove NO_PIE_CFLAGS.
intl/ChangeLog:
* Makefile.in: Use @PICFLAG@ in COMPILE as well.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libcody/ChangeLog:
* Makefile.in: Pass LD_PICFLAG to LDFLAGS.
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG and LD_PICFLAG after this
check.
* configure: Regenerate.
libcpp/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libdecnumber/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
libiberty/ChangeLog:
* configure.ac: Also set shared when enable_host_pie.
* configure: Regenerate.
zlib/ChangeLog:
* configure.ac (--enable-host-shared): Don't set PICFLAG here.
(--enable-host-pie): New check. Set PICFLAG after this check.
* configure: Regenerate.
2022-11-22 20:32:18 -05:00
Martin Liska
3d3b561fc3
changelog: Fix extra space after tab.
2022-11-21 10:13:44 +01:00
GCC Administrator
cdc34229c1
Daily bump.
2022-11-16 00:17:09 +00:00
Nathan Sidwell
46c3d9c8e8
demangler: Templated lambda demangling
...
Templated lambdas have a template-head, which is part of their
signature. GCC ABI 18 mangles that into the lambda name. This adds
support to the demangler. We have to introduce artificial template
parameter names, as we need to refer to them from later components of
the lambda signature. We use $T:n, $N:n and $TT:n for type, non-type
and template parameters. Non-type parameter names are not shown in
the strictly correct location -- for instance 'int (&NT) ()' would be
shown as 'int (&) $N:n'. That's unfortunate, but an orthogonal issue.
The 'is_lambda_arg' field is now repurposed as indicating the number
of explicit template parameters (1-based).
include/
* demangle.h (enum demangle_component_type): Add
DEMANGLE_COMPONENT_TEMPLATE_HEAD,
DEMANGLE_COMPONENT_TEMPLATE_TYPE_PARM,
DEMANGLE_COMPONENT_TEMPLATE_NON_TYPE_PARM,
DEMANGLE_COMPONENT_TEMPLATE_TEMPLATE_PARM,
DEMANGLE_COMPONENT_TEMPLATE_PACK_PARM.
libiberty/
* cp-demangle.c (struct d_print_info): Rename is_lambda_arg to
lambda_tpl_parms. Augment semantics.
(d_make_comp): Add checks for new components.
(d_template_parm, d_template_head): New.
(d_lambda): Add templated lambda support.
(d_print_init): Adjust.
(d_print_lambda_parm_name): New.
(d_print_comp_inner): Support templated lambdas,
* testsuite/demangle-expected: Add testcases.
2022-11-15 13:34:56 -05:00
GCC Administrator
83d400bded
Daily bump.
2022-11-15 08:32:29 +00:00
Martin Liska
191dbc3568
Revert "sphinx: copy files from texi2rst-generated repository"
...
This reverts commit c63539ffe4
2022-11-14 09:35:07 +01:00
Martin Liska
4e3dcf2076
Revert "sphinx: support Sphinx in build system"
...
This reverts commit 41a45cba00
2022-11-14 09:35:06 +01:00
Martin Liska
d77de73829
Revert "sphinx: remove texinfo files"
...
This reverts commit 54ca4eef58
2022-11-14 09:35:06 +01:00
Martin Liska
b779e6bf0b
Revert "sphinx: add --with-sphinx-build"
...
This reverts commit 1f5a932e89
2022-11-14 09:35:05 +01:00
Martin Liska
a0ccbac843
Revert "sphinx: add missing trailing newline"
...
This reverts commit 3ed1b4ce7c
2022-11-14 09:35:04 +01:00
Martin Liska
95d364643a
Revert "sphinx: add missing newline for conf.py files."
...
This reverts commit bd044dae51
2022-11-14 09:35:03 +01:00
Martin Liska
bd24b5dbb6
Revert "configure: always set SPHINX_BUILD"
...
This reverts commit 5e749ee301
2022-11-14 09:35:02 +01:00
GCC Administrator
eefbfbc793
Daily bump.
2022-11-14 00:17:08 +00:00
Martin Liska
5e749ee301
configure: always set SPHINX_BUILD
...
During the Sphinx-migration development, I used
SPHINX_BUILD='' in order to skip building info and manual
pages in gcc folder. However, we've got HAS_SPHINX_BUILD
which is the correct flag for that.
With the patch, one will get a nicer error message when
sphinx-build is missing and one builds (explicitly) a target which
depends on it.
PR other/107620
gcc/ChangeLog:
* configure: Regenerate.
* configure.ac: Always set sphinx-build.
libgomp/ChangeLog:
* configure: Regenerate.
* configure.ac: Always set sphinx-build.
libiberty/ChangeLog:
* configure: Regenerate.
* configure.ac: Always set sphinx-build.
libitm/ChangeLog:
* configure: Regenerate.
* configure.ac: Always set sphinx-build.
libquadmath/ChangeLog:
* configure: Regenerate.
* configure.ac: Always set sphinx-build.
2022-11-13 16:35:25 +01:00
GCC Administrator
f225b813e4
Daily bump.
2022-11-11 00:17:22 +00:00
Martin Liska
bd044dae51
sphinx: add missing newline for conf.py files.
...
gcc/d/ChangeLog:
* doc/conf.py: Add newline at last line.
gcc/ChangeLog:
* doc/cpp/conf.py: Add newline at last line.
* doc/cppinternals/conf.py: Add newline at last line.
* doc/gcc/conf.py: Add newline at last line.
* doc/gccint/conf.py: Add newline at last line.
* doc/install/conf.py: Add newline at last line.
gcc/fortran/ChangeLog:
* doc/gfc-internals/conf.py: Add newline at last line.
* doc/gfortran/conf.py: Add newline at last line.
gcc/go/ChangeLog:
* doc/conf.py: Add newline at last line.
libgomp/ChangeLog:
* doc/conf.py: Add newline at last line.
libiberty/ChangeLog:
* doc/conf.py: Add newline at last line.
libitm/ChangeLog:
* doc/conf.py: Add newline at last line.
libquadmath/ChangeLog:
* doc/conf.py: Add newline at last line.
2022-11-10 13:56:49 +01:00
GCC Administrator
1cdfd0e5cd
Daily bump.
2022-11-10 00:17:57 +00:00
Martin Liska
3ed1b4ce7c
sphinx: add missing trailing newline
...
All files are supposed to end with a newline, fix that.
ChangeLog:
* doc/bsd.rst:
Add trailing newline.
* doc/contrib.rst:
Add trailing newline.
* doc/contribute.rst:
Add trailing newline.
* doc/cppdiropts.rst:
Add trailing newline.
* doc/cppenv.rst:
Add trailing newline.
* doc/cppopts.rst:
Add trailing newline.
* doc/cppwarnopts.rst:
Add trailing newline.
* doc/funding.rst:
Add trailing newline.
* doc/gnu.rst:
Add trailing newline.
* doc/gnu_free_documentation_license.rst:
Add trailing newline.
* doc/gpl-3.0.rst:
Add trailing newline.
* doc/indices-and-tables.rst:
Add trailing newline.
* doc/lgpl-2.1.rst:
Add trailing newline.
* doc/md.rst:
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gcc/d/ChangeLog:
* doc/copyright.rst:
Add trailing newline.
* doc/general-public-license-3.rst:
Add trailing newline.
* doc/gnu-free-documentation-license.rst:
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* doc/index.rst:
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* doc/indices-and-tables.rst:
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* doc/invoking-gdc.rst:
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* doc/invoking-gdc/code-generation.rst:
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* doc/invoking-gdc/developer-options.rst:
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* doc/invoking-gdc/input-and-output-files.rst:
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* doc/invoking-gdc/options-for-directory-search.rst:
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* doc/invoking-gdc/options-for-linking.rst:
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* doc/invoking-gdc/runtime-options.rst:
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* doc/invoking-gdc/warnings.rst:
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gcc/ChangeLog:
* doc/cpp/character-sets.rst:
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* doc/cpp/conditional-syntax.rst:
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* doc/cpp/conditional-uses.rst:
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* doc/cpp/conditionals.rst:
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* doc/cpp/copyright.rst:
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* doc/cpp/deleted-code.rst:
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* doc/cpp/diagnostics.rst:
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* doc/cpp/environment-variables.rst:
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2022-11-09 13:58:08 +01:00
GCC Administrator