The value returned on AIX for platform.machine() is not the
best value to map the architecture from. Use platform.system
to determine if we are on AIX and if so set host_arch to
ppc64 as AIX 6.1 (the earliest supported) only provides a
64 bit kernel
AIX was reporting warning that offset may be used uninitialized
modified: build/detect_v8_host_arch.py
modified: build/standalone.gypi
modified: src/hydrogen-bce.cc
R=mbrandy@us.ibm.com, jkummerow@chromium.org
BUG=
Review URL: https://codereview.chromium.org/1006583004
Cr-Commit-Position: refs/heads/master@{#27463}
We were able to remove most of our changes needed to compile
on AIX with an earlier compiler level. These changes are the
remaining ones.
The changes in heap/heap.cc are needed because otherwise the
compiler complains that result is potentially used before
it is initialized.
The changes in heap/mark-compact.cc are required because
AIX supports the full 64 bit address range so the check
being guarded is invalid.
The changes in build/toolchain.gypi and
test/cctest/cctest/gyp are aix only and are adjust the
compile/link options to allow the AIX build to succeed.
modified: build/toolchain.gypi
modified: src/heap/heap.cc
modified: src/heap/mark-compact.cc
modified: test/cctest/cctest.gyp
R=danno@chromium.org, svenpanne@chromium.org
BUG=
Review URL: https://codereview.chromium.org/1013833002
Cr-Commit-Position: refs/heads/master@{#27255}
Reason for revert:
The CL caused two issues:
- a weird build issue on V8 mips builder
- d8 cannot be invoked via PATH, since then it doesn't find its external snapshot.
The 2nd issue might even be WAI, but this needs more consideration.
Original issue's description:
> Default-enable external startup data for Linux for stand-alone builds.
>
> Notes:
> - Other platforms to follow later.
> - This follows Chromium practice, that mostly uses this feature these days.
> - The statically linked-in startup data will stay. So whoever prefers
> the old way just needs to set the flag differently.
>
> Reland crrev.com/959693002, once crrev.com/960883003 is in.
>
> R=machenbach@chromium.org
> BUG=
>
> Committed: https://crrev.com/a0bdb103b676b4c7fa6b9f2e7149e716549c05d1
> Cr-Commit-Position: refs/heads/master@{#26980}
TBR=machenbach@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Review URL: https://codereview.chromium.org/981463005
Cr-Commit-Position: refs/heads/master@{#26986}
Notes:
- Other platforms to follow later.
- This follows Chromium practice, that mostly uses this feature these days.
- The statically linked-in startup data will stay. So whoever prefers
the old way just needs to set the flag differently.
Reland crrev.com/959693002, once crrev.com/960883003 is in.
R=machenbach@chromium.org
BUG=
Review URL: https://codereview.chromium.org/956373002
Cr-Commit-Position: refs/heads/master@{#26980}
Reason for revert:
Breaks "Simple Leaks Check"
Original issue's description:
> Default-enable external startup data for Linux for stand-alone builds.
>
> Notes:
> - Other platforms to follow later.
> - This follows Chromium practice, that mostly uses this feature these days.
> - The statically linked-in startup data will stay. So whoever prefers
> the old way just needs to set the flag differently.
>
> BUG=
>
> Committed: https://crrev.com/6d0dcaabe55ca3556bebfd771fbc7fd560fdd4e0
> Cr-Commit-Position: refs/heads/master@{#26884}
TBR=machenbach@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
Review URL: https://codereview.chromium.org/962593003
Cr-Commit-Position: refs/heads/master@{#26885}
Notes:
- Other platforms to follow later.
- This follows Chromium practice, that mostly uses this feature these days.
- The statically linked-in startup data will stay. So whoever prefers
the old way just needs to set the flag differently.
BUG=
Review URL: https://codereview.chromium.org/959693002
Cr-Commit-Position: refs/heads/master@{#26884}
Xcode uses a different naming scheme for directories within
the xcodebuild directory. But it is safe to just delete
everything withing xcodebuild or out. Keep the soft clobber
for windows' build directory only, where subdirectories
follow the *release* and *debug* naming scheme.
BUG=chromium:403263
LOG=n
TBR=jochen@chromium.org
Review URL: https://codereview.chromium.org/955953002
Cr-Commit-Position: refs/heads/master@{#26852}
Without this change, it is non-trivial to know during
runhooks, if a landmine was just triggered in a checkout
that doesn't have the initial landmines script CL yet, i.e.
that didn't create a .landmines file yet.
BUG=chromium:403263
LOG=n
Review URL: https://codereview.chromium.org/954153002
Cr-Commit-Position: refs/heads/master@{#26842}
This runs the landmines script as a gclient hook. It can
as such be used to clobber local checkouts when hooks are
run locally.
It is a softer version than chromium's landmines script, as
it only deletes directories in the output directory due
to compatibility with MSVS which has "build" hardcoded as
output directory in several places.
BUG=chromium:403263
LOG=n
Review URL: https://codereview.chromium.org/955463002
Cr-Commit-Position: refs/heads/master@{#26831}
The _GLIBCXX_DEBUG macro is now set by default for Linux Debug builds
and can be disabled using the disable_glibcxx_debug=1 setting
(compatible with Chrome). This will help us catch problems earlier.
BUG=v8:3638
LOG=n
Review URL: https://codereview.chromium.org/946283003
Cr-Commit-Position: refs/heads/master@{#26790}
Also enabled concurrent linking with gold on Linux.
Mostly copy and paste from Chromium with customization for
V8 where necessary.
BUG=v8:3880
LOG=n
Review URL: https://codereview.chromium.org/896703003
Cr-Commit-Position: refs/heads/master@{#26536}
Contribution of PowerPC port (continuation of 422063005 and 817143002). This patch covers
the key changes needed to the common files needed to support AIX. Subsequent
patches will cover:
- changes to update the ppc directories so they are current with the changes
in the rest of the project.
- remaining AIX changes not resolved by 4.8 compiler
- individual optimizations for PPC
This is based off of the GitHub repository
https://github.com/andrewlow/v8ppcR=danno@chromium.org, svenpanne@chromium.org
BUG=
Review URL: https://codereview.chromium.org/866843003
Cr-Commit-Position: refs/heads/master@{#26343}
Revert "Partially reland Auto-generate v8 version based on tags."
This reverts commit 0707afc863.
Revert "Ensure tags are fetched when generating the V8 version."
This reverts commit ea6831e9de.
Revert "Restrict tag-update for version generation to cached git repos."
This reverts commit c6641e138b.
BUG=chromium:446166
LOG=n
Review URL: https://codereview.chromium.org/866263005
Cr-Commit-Position: refs/heads/master@{#26244}
This way we stay in sync with what Chromium does and we reduce the
number of bugs caused by 80-to-{32,64}-bit rounding errors. It's also
a requirement for switching to signaling NaN for FixedDoubleArray holes.
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/864483002
Cr-Commit-Position: refs/heads/master@{#26154}
This relands parts of
https://codereview.chromium.org/843913009
It prepares for using this script outside of v8, e.g. in a
chromium hook.
The script is intended to run as a hook and will create
version_gen.cc if the content has changed.
Changes to gyp and gn files can land as a follow up, once
calling the hook on the chromium side has landed.
BUG=chromium:446166
LOG=n
Review URL: https://codereview.chromium.org/830093003
Cr-Commit-Position: refs/heads/master@{#26144}
All builders that used level 1 should meanwhile define
v8_enable_slow_dchecks, and so they can use level 2 without losing
coverage. Level 2, however, is considerably faster, so we want to use it
on those builders as well. The make optdebug setting is not affected by
this change.
BUG=none
R=machenbach@chromium.org
LOG=n
Review URL: https://codereview.chromium.org/847753002
Cr-Commit-Position: refs/heads/master@{#26019}
This allows the setting to be overridable by embedders,
at the cost of forcing embedders that don't build v8
using standalone.gypi to add this setting to their build
config.
BUG=chromium:421063
LOG=Y
Review URL: https://codereview.chromium.org/794583002
Cr-Commit-Position: refs/heads/master@{#25781}
When compiling with the macro DCHECK_ALWAYS_ON defined, DCHECKs and
supporting code gets compiled and enabled.
This increases test coverage for chromium release buildbots
BUG=v8:3731
R=jkummerow@chromium.org
LOG=y
Review URL: https://codereview.chromium.org/760213005
Cr-Commit-Position: refs/heads/master@{#25701}
Currently, some builders are in a clobber-landmine loop.
Clobber deletes the .landmines tracker (sigh). Difficult to
know if we are right after a clobber or if it is first-time
landmines deployment. Also, a landmine-triggered clobber
right after a clobber is not possible. Different clobber
methods for msvs, xcode and make all have different
blacklists of files that are not deleted.
After the branch point, all v8 branch builders have to be
manually clobbered, because the appearance of the
landmines.py script and the first landmine request are in
the same branch CL.
TBR=jochen@chromium.org
Review URL: https://codereview.chromium.org/457063002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
With the original script, landmines don't work if the initial commit of the landmine script and the first landmine are in the same build. In this case, the landmine file wouldn't exist yet and no landmine would be triggered. But the updated landmine content would have still been written, omitting the landmine.
Now, the script will initialize an empty landmine file if none exists. This will make sure that a landmine is set on the branch builders after the next branch point.
This also adds some debugging output to better trace when landmines are set/deleted.
BUG=
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/410893002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22557 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
The current gyp config tries to test whether the compiler is an arm / mips
compiler and whether it supports -m32 / -m64 based on a test within gyp.
Unfortunately CXX / CXX_target / CXX_host are no no longer set early enough
in gyp for this to work, and so all of these tests were actually being done
using "$(which g++)" rather than the appropriate CXX_target / CXX_host compiler.
This change removes these dynamic tests and instead bases the decisions on
knowledge of the host / target / v8_target architecture combination. The
the -m32/-m64 flags are set based on host_cxx_is_biarch / target_cxx_is_biarch,
which are set to reasonable defaults of only ia32/x64 or clang compilers
being build for biarch support. The host_cxx_is_biarch / target_cxx_is_biarch
variables can be overriden if required.
Original Review URL: https://codereview.chromium.org/382343003TBR=jkummerow@chromium.org
BUG=384474
LOG=NO
Review URL: https://codereview.chromium.org/400573002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22444 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
The current gyp config tries to test whether the compiler is an arm / mips
compiler and whether it supports -m32 / -m64 based on a test within gyp.
Unfortunately CXX / CXX_target / CXX_host are no no longer set early enough
in gyp for this to work, and so all of these tests were actually being done
using "$(which g++)" rather than the appropriate CXX_target / CXX_host compiler.
This change removes these dynamic tests and instead bases the decisions on
knowledge of the host / target / v8_target architecture combination. The
the -m32/-m64 flags are set based on host_cxx_is_biarch / target_cxx_is_biarch,
which are set to reasonable defaults of only ia32/x64 or clang compilers
being build for biarch support. The host_cxx_is_biarch / target_cxx_is_biarch
variables can be overriden if required.
BUG=384474
LOG=NO
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/382343003
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22425 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Re-retry of r21696 and r21739]
If the embedder chooses, the 'natives' (library sources) and the
precompiled startup blob can be written to files during the build
process and handed over to V8 at startup. The main purpose would be
to reduce the size of the compiled binary for space constrained
platforms.
The build-time option is off by default. Nothing should change if
it's not enabled.
BUG=
R=jochen@chromium.org
Review URL: https://codereview.chromium.org/334913004
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Simplify the compile time feature detection on Arm:
- Define CAN_USE_XXX definitions unconditionally for all target/host
toolchain combinations
- Rename arm_test / ARM_TEST to arm_test_noprob / ARM_TEST_NO_FEATURE_PROBE
- Don't set ARM_TEST_NO_FEATURE_PROBE implicitly on the simulator to make
make simulator / native more consistent
- Unify CpuFeatures::PrintTarget for simulator and native builds
- Remove unecessary CAN_USE_VFP_INSTRUCTIONS definition for android (this is
the default for arm_fpu=default)
- Add a CpuFeatures::Probe() before calling CpuFeatures::PrintFeatures() in PrintHelp
to ensure we have probed features before printing them.
BUG=384474
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/340373002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21935 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Retry of crrev.com/293993021, which caused problems with 'ninja all' in Chromium. First patch set if a clean apply
of crrev.com/293993021. Subsequent sets are the actual fix
for that issue.]
If the embedder chooses, the 'natives' (library sources) and the
precompiled startup blob can be written to files during the build
process and handed over to V8 at startup. The main purpose would be
to reduce the size of the compiled binary for space constrained
platforms.
The build-time option is off by default. Nothing should change if
it's not enabled.
BUG=
R=jochen@chromium.org
Review URL: https://codereview.chromium.org/315033002
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21696 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
If the embedder chooses, the 'natives' (library sources) and the
precompiled startup blob can be written to files during the build
process and handed over to V8 at startup. The main purpose would be
to reduce the size of the compiled binary for space constrained
platforms.
The build-time option is off by default. Nothing should change if
it's not enabled.
BUG=
R=bmeurer@chromium.org, jochen@chromium.org
Review URL: https://codereview.chromium.org/293993021
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21646 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Important notices:
- The snapshot cannot be created for big-endian target in cross-compilation
environment on little-endian host using simulator.
- In order to have i18n support working on big-endian target, the icudt46b.dat and
icudt46b_dat.S files should be generated and upstreamed to ICU repo.
- The mjsunit 'nans' test is endian dependent, it is skipped for mips target.
- The zlib and Mandreel from Octane 2.0 benchmark are endian dependent due to
use of typed arrays.
TEST=
BUG=
R=jkummerow@chromium.org, plind44@gmail.com
Review URL: https://codereview.chromium.org/228943009
Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20778 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
The problem is that conditions are evaluated before configuration inheritance is resolved, so we can't just define a configuration like this:
'Optdebug': {
'inherits_from': ['Debug'],
'variables': {
'v8_optimized_debug': 2,
}
}
Instead, we have to put the different settings depending on the optimization level into separate configurations, and use conditions inside the concrete configurations to inherit from the correct base class.
Common settings go in the base configuration DebugBaseCommon, and v8_optimized_debug dependent settings go into DebugBase{0,1,2}
The new Debug configuration inherits from DebugBaseCommon and DebugBase<(v8_optimized_debug), while the new configuration Optdebug inherits from DebugBaseCommon and DebugBase2.
BUG=v8:3252
R=machenbach@chromium.org, jkummerow@chromium.org
LOG=n
Review URL: https://codereview.chromium.org/224443003
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20605 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
