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CVS log for src/external/gpl3/gcc/dist/libsanitizer/sanitizer_common/sanitizer_signal_interceptors.inc

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Revision 1.5 / (download) - annotate - [select for diffs], Mon Jul 31 01:44:56 2023 UTC (6 months, 3 weeks ago) by mrg
Branch: MAIN
CVS Tags: HEAD
Changes since 1.4: +4 -3 lines
Diff to previous 1.4 (colored)

make this actually be GCC 12.3.0's libsanitizer.

the libsanitizer we used with GCC 9 and GCC 10 was significantly
ahead of the GCC 9 and GCC 10 provided versions.

Revision 1.4 / (download) - annotate - [select for diffs], Sun Jul 30 05:51:42 2023 UTC (6 months, 3 weeks ago) by mrg
Branch: MAIN
Changes since 1.3: +14 -3 lines
Diff to previous 1.3 (colored)

initial merge of GCC 12.3.0.

this doesn't include any of the changes to the .c -> .cc files renamed,
and reverts our local changes to the vax port and libsanitizer subdir.
vax GCC was rewritten and our local fixes no longer are relevant, and
the new libsanitizer is more updated than our old one, and merging via
gcc10->gcc12 is not really possible.

unfortunately, our local changes to libsanitizer that aren't related
to the general update of those sources (ie, the netbsd code) will need
to be re-checked and perhaps re-ported.

Revision 1.1.1.4 / (download) - annotate - [select for diffs] (vendor branch), Sun Jul 30 05:20:40 2023 UTC (6 months, 3 weeks ago) by mrg
Branch: FSF
CVS Tags: gcc-12-3-0
Changes since 1.1.1.3: +14 -3 lines
Diff to previous 1.1.1.3 (colored)

initial import of GCC 12.3.0.

major changes in GCC 11 included:

- The default mode for C++ is now -std=gnu++17 instead of -std=gnu++14.
- When building GCC itself, the host compiler must now support C++11,
  rather than C++98.
- Some short options of the gcov tool have been renamed: -i to -j and
  -j to -H.
- ThreadSanitizer improvements.
- Introduce Hardware-assisted AddressSanitizer support.
- For targets that produce DWARF debugging information GCC now defaults
  to DWARF version 5. This can produce up to 25% more compact debug
  information compared to earlier versions.
- Many optimisations.
- The existing malloc attribute has been extended so that it can be
  used to identify allocator/deallocator API pairs. A pair of new
  -Wmismatched-dealloc and -Wmismatched-new-delete warnings are added.
- Other new warnings:
  -Wsizeof-array-div, enabled by -Wall, warns about divisions of two
    sizeof operators when the first one is applied to an array and the
    divisor does not equal the size of the array element.
  -Wstringop-overread, enabled by default, warns about calls to string
    functions reading past the end of the arrays passed to them as
    arguments.
  -Wtsan, enabled by default, warns about unsupported features in
    ThreadSanitizer (currently std::atomic_thread_fence).
- Enchanced warnings:
  -Wfree-nonheap-object detects many more instances of calls to
    deallocation functions with pointers not returned from a dynamic
    memory allocation function.
  -Wmaybe-uninitialized diagnoses passing pointers or references to
    uninitialized memory to functions taking const-qualified arguments.
  -Wuninitialized detects reads from uninitialized dynamically
    allocated memory.
  -Warray-parameter warns about functions with inconsistent array forms.
  -Wvla-parameter warns about functions with inconsistent VLA forms.
- Several new features from the upcoming C2X revision of the ISO C
  standard are supported with -std=c2x and -std=gnu2x.
- Several C++20 features have been implemented.
- The C++ front end has experimental support for some of the upcoming
  C++23 draft.
- Several new C++ warnings.
- Enhanced Arm, AArch64, x86, and RISC-V CPU support.
- The implementation of how program state is tracked within
  -fanalyzer has been completely rewritten with many enhancements.

see https://gcc.gnu.org/gcc-11/changes.html for a full list.

major changes in GCC 12 include:

- An ABI incompatibility between C and C++ when passing or returning
  by value certain aggregates containing zero width bit-fields has
  been discovered on various targets. x86-64, ARM and AArch64
  will always ignore them (so there is a C ABI incompatibility
  between GCC 11 and earlier with GCC 12 or later), PowerPC64 ELFv2
  always take them into account (so there is a C++ ABI
  incompatibility, GCC 4.4 and earlier compatible with GCC 12 or
  later, incompatible with GCC 4.5 through GCC 11). RISC-V has
  changed the handling of these already starting with GCC 10. As
  the ABI requires, MIPS takes them into account handling function
  return values so there is a C++ ABI incompatibility with GCC 4.5
  through 11.
- STABS: Support for emitting the STABS debugging format is
  deprecated and will be removed in the next release. All ports now
  default to emit DWARF (version 2 or later) debugging info or are
  obsoleted.
- Vectorization is enabled at -O2 which is now equivalent to the
  original -O2 -ftree-vectorize -fvect-cost-model=very-cheap.
- GCC now supports the ShadowCallStack sanitizer.
- Support for __builtin_shufflevector compatible with the clang
  language extension was added.
- Support for attribute unavailable was added.
- Support for __builtin_dynamic_object_size compatible with the
  clang language extension was added.
- New warnings:
  -Wbidi-chars warns about potentially misleading UTF-8
    bidirectional control characters.
  -Warray-compare warns about comparisons between two operands of
    array type.
- Some new features from the upcoming C2X revision of the ISO C
  standard are supported with -std=c2x and -std=gnu2x.
- Several C++23 features have been implemented.
- Many C++ enhancements across warnings and -f options.

see https://gcc.gnu.org/gcc-12/changes.html for a full list.

Revision 1.3 / (download) - annotate - [select for diffs], Sat Nov 13 15:34:39 2021 UTC (2 years, 3 months ago) by christos
Branch: MAIN
CVS Tags: netbsd-10-base, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10
Changes since 1.2: +1 -1 lines
Diff to previous 1.2 (colored)

fix the remaining vestiges of __sigaction14; now the tsan signal tests work.

Revision 1.2 / (download) - annotate - [select for diffs], Sun Apr 11 23:54:27 2021 UTC (2 years, 10 months ago) by mrg
Branch: MAIN
CVS Tags: cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x
Changes since 1.1: +33 -13 lines
Diff to previous 1.1 (colored)

revert sanitizer back to the version we were using with GCC 9, since
that one was already newer than the GCC 10 version.

Revision 1.1.1.3 / (download) - annotate - [select for diffs] (vendor branch), Sat Apr 10 22:09:22 2021 UTC (2 years, 10 months ago) by mrg
Branch: FSF
CVS Tags: gcc-10-5-0, gcc-10-4-0, gcc-10-3-0
Changes since 1.1.1.2: +3 -2 lines
Diff to previous 1.1.1.2 (colored)

initial import of GCC 10.3.0.  main changes include:

caveats:
- ABI issue between c++14 and c++17 fixed
- profile mode is removed from libstdc++
- -fno-common is now the default

new features:
- new flags -fallocation-dce, -fprofile-partial-training,
  -fprofile-reproducible, -fprofile-prefix-path, and -fanalyzer
- many new compile and link time optimisations
- enhanced drive optimisations
- openacc 2.6 support
- openmp 5.0 features
- new warnings: -Wstring-compare and -Wzero-length-bounds
- extended warnings: -Warray-bounds, -Wformat-overflow,
  -Wrestrict, -Wreturn-local-addr, -Wstringop-overflow,
  -Warith-conversion, -Wmismatched-tags, and -Wredundant-tags
- some likely C2X features implemented
- more C++20 implemented
- many new arm & intel CPUs known

hundreds of reported bugs are fixed.  full list of changes
can be found at:

   https://gcc.gnu.org/gcc-10/changes.html

Revision 1.1.1.2 / (download) - annotate - [select for diffs] (vendor branch), Sat Sep 5 07:52:57 2020 UTC (3 years, 5 months ago) by mrg
Branch: FSF
CVS Tags: gcc-9-3-0
Changes since 1.1.1.1: +33 -13 lines
Diff to previous 1.1.1.1 (colored)

initial import of GCC 9.3.0.  changes include:

- live patching support
- shell completion help
- generally better diagnostic output (less verbose/more useful)
- diagnostics and optimisation choices can be emitted in json
- asan memory usage reduction
- many general, and specific to switch, inter-procedure,
  profile and link-time optimisations.  from the release notes:
  "Overall compile time of Firefox 66 and LibreOffice 6.2.3 on
  an 8-core machine was reduced by about 5% compared to GCC 8.3"
- OpenMP 5.0 support
- better spell-guesser
- partial experimental support for c2x and c++2a
- c++17 is no longer experimental
- arm AAPCS GCC 6-8 structure passing bug fixed, may cause
  incompatibility (restored compat with GCC 5 and earlier.)
- openrisc support

Revision 1.1.1.1.4.2 / (download) - annotate - [select for diffs], Mon Apr 13 07:58:21 2020 UTC (3 years, 10 months ago) by martin
Branch: phil-wifi
Changes since 1.1.1.1.4.1: +65 -0 lines
Diff to previous 1.1.1.1.4.1 (colored) to branchpoint 1.1.1.1 (colored) next main 1.1.1.2 (colored)

Mostly merge changes from HEAD upto 20200411

Revision 1.1.1.1.4.1, Tue Oct 1 09:36:38 2019 UTC (4 years, 4 months ago) by martin
Branch: phil-wifi
Changes since 1.1.1.1: +0 -65 lines
FILE REMOVED

file sanitizer_signal_interceptors.inc was added on branch phil-wifi on 2020-04-13 07:58:21 +0000

Revision 1.1.1.1 / (download) - annotate - [select for diffs] (vendor branch), Tue Oct 1 09:36:38 2019 UTC (4 years, 4 months ago) by mrg
Branch: FSF
CVS Tags: phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, is-mlppp-base, is-mlppp, gcc-8-4-0, gcc-8-3-0
Branch point for: phil-wifi
Changes since 1.1: +0 -0 lines
Diff to previous 1.1 (colored)

import GCC 8.3.  it includes these new features:
- many optimisations improved: inter-procedural, profile-directed,
  LTO, loops including user-controllable unroll support, and more.
- columns numbers added to line numbers in dwarf
- gcov extended significantly
- many sanitizer updates
- many new warning messages
- many better hints and more useful error messages
- minor ABI changes on x86-64 libstdc++, and some c++17 modes
- draft c++2a features
- better c++17 experimental support
- Armv8.4-A supported, better 8.2-A and 8.3-A support, including
  32 bit arm port.  cortex a-55, a-75 and a-55.a-75 combo support.
- in the GCC bugzilla, 8.1 shows 1149 bugs fixed, 8.2 shows 100, and
  8.3 shows 158.

Revision 1.1 / (download) - annotate - [select for diffs], Tue Oct 1 09:36:38 2019 UTC (4 years, 4 months ago) by mrg
Branch: MAIN

Initial revision

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