jemalloc_ptr_info() gives info about any pointer, such as whether it's within a
live or free allocation, and if so, info about that allocation. It's useful for
debugging.
moz_malloc_enclosing_size_of() uses jemalloc_ptr_info() to measure the size of
an allocation from an interior pointer. It's useful for memory reporting,
especially for Rust code.
--HG--
extra : rebase_source : caa19cccf8c2d1f79cf004fe6a408775de5a7b22
/home/worker/workspace/build/src/mozglue/build/WindowsDllBlocklist.cpp:816:1: error: 'noreturn' function does return [-Werror]
MozReview-Commit-ID: SYgPDW0sMV
--HG--
extra : rebase_source : 27b1dda404b3fc5fab95dd524677387bad921751
/home/worker/workspace/build/src/mozglue/build/WindowsDllBlocklist.cpp:816:1: error: 'noreturn' function does return [-Werror]
MozReview-Commit-ID: SYgPDW0sMV
--HG--
extra : rebase_source : 1039c3f8669093c9d77a3c30090c76457c8eb6e8
/home/worker/workspace/build/src/mozglue/build/WindowsDllBlocklist.cpp:816:1: error: 'noreturn' function does return [-Werror]
MozReview-Commit-ID: SYgPDW0sMV
--HG--
extra : rebase_source : d932e84ff0729b1c5ccff6658ee81849eb27eef4
Report init failure if uncompressed stream size is 0.
Check for overflows when casting.
Verify LZMA stream only has a single block.
Detailed error logging.
MozReview-Commit-ID: DZ4cWGxAzkw
--HG--
extra : rebase_source : da66646c78e7947ffcf2325ad5bd0de9205506bf
Bug 1186064 removed most of it when we started requiring VS 2015u2, but
the "frex" function exported through mozglue.def.in was only used
through the MSVCRT being patched by fixcrt.py, which is not done anymore.
So the "frex" export is not used anymore, and so the "dumb_free_thunk"
function is not used anymore as well.
--HG--
extra : rebase_source : 879c469c317c8b6749410a4a476d6c951c9a1d0f
Use the UI thread's tid for checking if we're on the UI thread in Gecko.
This lets us get rid of `GeckoThread.registerUiThread`, in order to
avoid a race where we check for UI thread before `registerUiThread` is
called.
MozReview-Commit-ID: 11gAWgx4UZo
Just one caller (in DMD) actually looks at it, and that's in an unimportant way
-- if the return value was false, mLength would be zero anyway.
--HG--
extra : rebase_source : 0463ab3765744742a9e854964342d631095fa55f
This patch does he following.
- Avoids some unnecessary casting.
- Renames the |bp| parameter as |aBp|.
- Makes the no-op FramePointerStackWalk() signature match the real one.
(Clearly it's dead code in all built configurations!)
--HG--
extra : rebase_source : 3fe606d1ff9b063294f4028ff884c20661ed9e0a
MozStackWalk() is different on Windows to the other platforms. It has two extra
arguments, which can be used to walk the stack of a different thread.
This patch makes those differences clearer. Instead of having a single function
and forbidding those two arguments on non-Windows, it removes those arguments
from MozStackWalk, and splits off MozStackWalkThread() which retains them. This
also allows those arguments to have more appropriate types (HANDLE instead of
uintptr_t; CONTEXT* instead of than void*) and names (aContext instead of
aPlatformData).
The patch also removes unnecessary reinterpret_casts for the aClosure argument
at a couple of MozStackWalk() callsites.
--HG--
extra : rebase_source : 111ab7d6426d7be921facc2264f6db86c501d127
It appears to be unused, but it would be good to have some real-world data to
confirm this. A diagnostic assertion is a better choice for this than a
telemetry problem because stack-walking is such a low-level operation.
--HG--
extra : rebase_source : 1ebb96c5cce1b4a1c7ed09182c095af1b44a0f31
We have a minimum requirement of VS 2015 for Windows builds, which supports
the z length modifier for format specifiers. So we don't need SizePrintfMacros.h
any more, and can just use %zu and friends directly everywhere.
MozReview-Commit-ID: 6s78RvPFMzv
--HG--
extra : rebase_source : 009ea39eb4dac1c927aa03e4f97d8ab673de8a0e
It's just a complex wrapper for free(), or equivalent function. (In practice,
all the uses end up in free().)
--HG--
extra : rebase_source : 247ea8458aa57319bd1c8366115a9b4f39ed5a33
For some reason the remote decoder process will crash on some x86/Android M devices when SIGSEGV is handled by SIG_DFL. To avoid this issue and continue suppressing crash dialog, capture the signals with Android like handlers and strip debuggerd related code.
MozReview-Commit-ID: 3diOGc3OInD
--HG--
extra : rebase_source : 42017c10d13c30880f80c81b0d7487bb0d05fd44
MOZ_REPLACE_MALLOC_LINKAGE was added back when there were problems with
getting weak references working properly for replace-malloc.
Versions of OSX < 10.6 needed flat namespace, but aren't supported
anymore.
Versions of Xcode < 4.5 required flat namespace + a dummy library in
order to produce proper weak references. There is virtually nobody still
building with such an ancient toolchain.
Keeping those around doesn't /really/ hurt, except recent versions of
Xcode don't expose dyldinfo in /usr/bin, used for the configure test.
Consequently, MOZ_REPLACE_MALLOC_LINKAGE ended up being set to use the
dummy library setup, which, by using flat namespace, now causes harm in
bug 1356701, causing bug 1378332.
--HG--
extra : rebase_source : e3edc1f2cf905943c33fafeb631f2f88fc87167e
It's silly to use prmem.h within Firefox code given that in our configuration
its functions are just wrappers for malloc() et al. (Indeed, in some places we
mix PR_Malloc() with free(), or malloc() with PR_Free().)
This patch removes all uses, except for the places where we need to use
PR_Free() to free something allocated by another NSPR function; in those cases
I've added a comment explaining which function did the allocation.
--HG--
extra : rebase_source : 0f781bca68b5bf3c4c191e09e277dfc8becffa09
The linker uses zlib. The linker is in mozglue, zlib is in libxul by
default. As a consequence, we made --with-system-zlib a requirement for
builds enabling the linker.
In the meanwhile, we added an option that makes zlib built in mozglue
for different needs, which, in fact, also allows to do that when the
linker is enabled.
So, allow to build without system zlib when the linker is enabled.
--HG--
extra : rebase_source : 873a87b17b306fc392018049e01cf794b63a6206
Since bug 1307886, we don't actually use szip anymore, and don't even
have the option to package Fennec using it. We can thus remove the
support for loading them, as well as on demand linkage.
The latter might mean we can remove the segfault handler, but it's
unclear whether this is currently working around other issues with
registering signal handlers, so we'll leave that to a followup.
--HG--
extra : rebase_source : ec23cd4e78f259a70f6690adc8dfabb557e8f304
CRITICAL_SECTIONs have useful debug info that we'd like to keep around at least
on nightly, rather than having diverging signatures on crash stats we'd like to
just keep a unified implementation. As we didn't see significant perf
improvements after landing we're going to just back this out.
This patch reduces the differences between builds where the profiler is enabled
and those where the profiler is disabled. It does this by removing numerous
MOZ_GECKO_PROFILER checks.
These changes have the following consequences.
- Various functions and classes are now defined in all builds, and so can be
used unconditionally: profiler_add_marker(), profiler_set_js_context(),
profiler_clear_js_context(), profiler_get_pseudo_stack(), AutoProfilerLabel.
(They are effectively no-ops in non-profiler builds, of course.)
- The no-op versions of PROFILER_* are now gone. The remaining versions are
almost no-ops when the profiler isn't built.
--HG--
extra : rebase_source : 8fb5e8757600210c2f77865694d25162f0b7698a
EnsureWalkThreadReady takes two locks, one in _beginthreadex and another in the DLL hook setup.
We can avoid the first by not calling EnsureWalkThreadReady if we're walking a suspended thread, since we won't be using a separate WalkThread anyway.
To avoid the hook locks, I gave in and decided to go back to setting up the hooks in DllBlocklist_Initialize as originally planned.
Christian Holler
Chris Manchester
Julien Cristau
Wes Kocher
Mike Hommey
Sebastian Hengst
Nicholas Nethercote
Tom Ritter
Ryan VanderMeulen
Brian Murray
Carl Corcoran
Masatoshi Kimura
Nathan Froyd
Eric Rahm
Jim Chen
Kartikaya Gupta
Sylvestre Ledru
John Lin
David Major
Eugen Sawin
Honza Bambas