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From: John R.
|
The patches to valgrind-3.3.0 which enable User Mode Linux (UML) to run
under memcheck for x86 on x86 have been separated into logical groups,
updated with test cases and documentation, reviewed once, and updated
to svn version 7358. ("Extra" patches to some Makefile.in have been
left for the benefit of those who start with the released tarball of
valgrind-3.3.0.)
Please consider these patches for inclusion into valgrind:
23KB http://bitwagon.com/valgrind+uml/vg330-patches-jreiser0127.tgz
Here is a brief description of each of the 6 submitted patches:
-----
clone-1-childSP.patch
This patch implements setting the child stack pointer on a fork-like clone().
clone-2-flags.patch
This patch handles more combinations of flag arguments to clone(),
specifically for VKI_CLONE_FS and VKI_CLONE_FILES.
clone-3-letgo.patch
This patch implements a new flag which allows clone() to request
that the new child run natively (not be virtualized.)
sigframe.patch
This patch gives a memory map when an attempt to extend the stack fails,
allows the stack to be in a mmapped file, and detects an obscure failure
of sigprocmask() that hindered work on UserModeLinux.
stacks.patch
This patch adds two new client commands:
VALGRIND_STACK_DEREGADDR de-register a stack by address (instead of by id)
VALGRIND_STACK_SWITCH so that user-level threading can co-operate
use-without-install.patch
This patch gives more literal directions on how to run newly-built
software without requiring "make install".
-----
The .tgz file also contains two additional patches which so far have
proved to be useful to this developer, but the reviewer suggested
that they be held for further work:
-----
bogey.patch
This patch adds a VALGRIND_SET_BOGEY client command which allows tracing the
changes to the accounting information for one specific dynamic address.
VALGRIND_SET_BOGEY is a debugging tool that can be turned off and on
by changing one macro definition.
complain-asap.patch
This patch implements a new command-line option
--complain-asap=yes [default: no]
which causes memcheck to complain immediately upon any fetch from memory
that contains uninitialized bits. This is useful when tracking down
the cause of "Conditional jump or move depends on uninitialised data";
however, be prepared for a blizzard of "false positive" warnings
for holes in structures, various "don't care" conditions, etc.
The corresponding error types are Load1, Load2, Load4, Load8, Load16
and they may be suppressed.
-----
The patches compile on x86(i686) and x86_64, and should compile on
other suppored platforms. Regression testing shows the same failures
as vanilla valgrind-3.3.0 when run on Fedora 7 for i686.
When run on svn 7358 there are additional failures for the new testcases
because tracebacks have regressed under svn 7358. [An example is:
==7664== Syscall param write(buf) points to uninitialised byte(s)
==7664== at 0xC88353: __write_nocancel (in /lib/libc-2.6.so)
==7664== Address 0x300fa4 is on thread 1's stack
Notice that the traceback omits the caller of __write_nocancel,
which is present and available. This difference cascades in ways
which matter to the test case.]
Performance testing shows no discernible difference for the 6 patches
being submitted against valgrind-3.3.0 or svn 7358. The two patches
being held for further work have slight slowdowns: about 1% or less.
Please consider the 6 submitted patches for merging into valgrind.
--
John Reiser, jreiser@BitWagon.com
|
|
From: Tom H. <th...@cy...> - 2008-01-28 04:03:47
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2008-01-28 03:15:12 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 339 tests, 84 stderr failures, 1 stdout failure, 29 post failures == memcheck/tests/addressable (stderr) memcheck/tests/badjump (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/erringfds (stderr) memcheck/tests/leak-0 (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-pool-0 (stderr) memcheck/tests/leak-pool-1 (stderr) memcheck/tests/leak-pool-2 (stderr) memcheck/tests/leak-pool-3 (stderr) memcheck/tests/leak-pool-4 (stderr) memcheck/tests/leak-pool-5 (stderr) memcheck/tests/leak-regroot (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/lsframe1 (stderr) memcheck/tests/lsframe2 (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/noisy_child (stderr) memcheck/tests/partial_load_dflt (stderr) memcheck/tests/partial_load_ok (stderr) memcheck/tests/partiallydefinedeq (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/sigkill (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/x86/bug152022 (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) memcheck/tests/x86/xor-undef-x86 (stderr) memcheck/tests/xml1 (stderr) massif/tests/alloc-fns-A (post) massif/tests/alloc-fns-B (post) massif/tests/basic (post) massif/tests/basic2 (post) massif/tests/big-alloc (post) massif/tests/culling1 (stderr) massif/tests/culling2 (stderr) massif/tests/custom_alloc (post) massif/tests/deep-A (post) massif/tests/deep-B (stderr) massif/tests/deep-B (post) massif/tests/deep-C (stderr) massif/tests/deep-C (post) massif/tests/deep-D (post) massif/tests/ignoring (post) massif/tests/insig (post) massif/tests/long-names (post) massif/tests/long-time (post) massif/tests/new-cpp (post) massif/tests/null (post) massif/tests/one (post) massif/tests/overloaded-new (post) massif/tests/peak (post) massif/tests/peak2 (stderr) massif/tests/peak2 (post) massif/tests/realloc (stderr) massif/tests/realloc (post) massif/tests/thresholds_0_0 (post) massif/tests/thresholds_0_10 (post) massif/tests/thresholds_10_0 (post) massif/tests/thresholds_10_10 (post) massif/tests/thresholds_5_0 (post) massif/tests/thresholds_5_10 (post) massif/tests/zero1 (post) massif/tests/zero2 (post) none/tests/blockfault (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/hg01_all_ok (stderr) helgrind/tests/hg02_deadlock (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/hg06_readshared (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc02_simple_tls (stderr) helgrind/tests/tc03_re_excl (stderr) helgrind/tests/tc04_free_lock (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc07_hbl1 (stderr) helgrind/tests/tc08_hbl2 (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc10_rec_lock (stderr) helgrind/tests/tc11_XCHG (stderr) helgrind/tests/tc12_rwl_trivial (stderr) helgrind/tests/tc13_laog1 (stderr) helgrind/tests/tc14_laog_dinphils (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) helgrind/tests/tc23_bogus_condwait (stderr) helgrind/tests/tc24_nonzero_sem (stderr) exp-drd/tests/fp_race (stderr) exp-drd/tests/fp_race2 (stderr) exp-drd/tests/matinv (stderr) exp-drd/tests/pth_barrier (stderr) exp-drd/tests/pth_broadcast (stderr) exp-drd/tests/pth_cond_race (stderr) exp-drd/tests/pth_cond_race2 (stderr) exp-drd/tests/pth_create_chain (stderr) exp-drd/tests/pth_detached (stderr) exp-drd/tests/pth_detached2 (stderr) exp-drd/tests/sem_as_mutex (stderr) exp-drd/tests/sem_as_mutex2 (stderr) exp-drd/tests/sigalrm (stderr) exp-drd/tests/tc17_sembar (stderr) exp-drd/tests/tc18_semabuse (stderr) |
|
From: Tom H. <th...@cy...> - 2008-01-28 03:46:26
|
Nightly build on aston ( x86_64, Fedora Core 5 ) started at 2008-01-28 03:20:05 GMT Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 375 tests, 15 stderr failures, 1 stdout failure, 1 post failure == memcheck/tests/addressable (stderr) memcheck/tests/badjump (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) massif/tests/long-names (post) none/tests/blockfault (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/pth_cond_race (stderr) exp-drd/tests/sem_as_mutex2 (stderr) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 375 tests, 15 stderr failures, 2 stdout failures, 1 post failure == memcheck/tests/addressable (stderr) memcheck/tests/badjump (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) massif/tests/long-names (post) none/tests/blockfault (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc08_hbl2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/pth_cond_race (stderr) exp-drd/tests/sem_as_mutex2 (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Mon Jan 28 03:33:45 2008 --- new.short Mon Jan 28 03:46:23 2008 *************** *** 8,10 **** ! == 375 tests, 15 stderr failures, 2 stdout failures, 1 post failure == memcheck/tests/addressable (stderr) --- 8,10 ---- ! == 375 tests, 15 stderr failures, 1 stdout failure, 1 post failure == memcheck/tests/addressable (stderr) *************** *** 22,24 **** none/tests/mremap2 (stdout) - helgrind/tests/tc08_hbl2 (stdout) helgrind/tests/tc20_verifywrap (stderr) --- 22,23 ---- |
|
From: Tom H. <th...@cy...> - 2008-01-28 03:39:52
|
Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-01-28 03:25:04 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 373 tests, 8 stderr failures, 5 stdout failures, 1 post failure == memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/bug133694 (stdout) memcheck/tests/x86/bug133694 (stderr) memcheck/tests/x86/scalar (stderr) massif/tests/long-names (post) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/sem_as_mutex2 (stderr) |
|
From: Tom H. <th...@cy...> - 2008-01-28 03:39:14
|
Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-01-28 03:05:08 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 373 tests, 8 stderr failures, 2 stdout failures, 1 post failure == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) massif/tests/long-names (post) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/pth_cond_race (stderr) |
|
From: Tom H. <th...@cy...> - 2008-01-28 03:29:18
|
Nightly build on dellow ( x86_64, Fedora 8 ) started at 2008-01-28 03:10:05 GMT Results differ from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 373 tests, 9 stderr failures, 3 stdout failures, 1 post failure == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) massif/tests/long-names (post) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/pth_detached (stdout) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/pth_cond_race (stderr) ================================================= == Results from 24 hours ago == ================================================= Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 373 tests, 10 stderr failures, 3 stdout failures, 1 post failure == memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) memcheck/tests/xml1 (stderr) massif/tests/long-names (post) none/tests/mremap (stderr) none/tests/mremap2 (stdout) none/tests/pth_detached (stdout) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc18_semabuse (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) exp-drd/tests/pth_cond_race (stderr) ================================================= == Difference between 24 hours ago and now == ================================================= *** old.short Mon Jan 28 03:19:49 2008 --- new.short Mon Jan 28 03:29:20 2008 *************** *** 8,10 **** ! == 373 tests, 10 stderr failures, 3 stdout failures, 1 post failure == memcheck/tests/malloc_free_fill (stderr) --- 8,10 ---- ! == 373 tests, 9 stderr failures, 3 stdout failures, 1 post failure == memcheck/tests/malloc_free_fill (stderr) *************** *** 18,20 **** none/tests/pth_detached (stdout) - helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc18_semabuse (stderr) --- 18,19 ---- |
|
From: Tom H. <th...@cy...> - 2008-01-28 03:18:16
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2008-01-28 03:00:02 GMT Results unchanged from 24 hours ago Checking out valgrind source tree ... done Configuring valgrind ... done Building valgrind ... done Running regression tests ... failed Regression test results follow == 375 tests, 30 stderr failures, 1 stdout failure, 1 post failure == memcheck/tests/addressable (stderr) memcheck/tests/badjump (stderr) memcheck/tests/describe-block (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/match-overrun (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/supp_unknown (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) massif/tests/long-names (post) none/tests/blockfault (stderr) none/tests/fdleak_fcntl (stderr) none/tests/mremap (stderr) none/tests/mremap2 (stdout) helgrind/tests/hg01_all_ok (stderr) helgrind/tests/hg02_deadlock (stderr) helgrind/tests/hg03_inherit (stderr) helgrind/tests/hg04_race (stderr) helgrind/tests/hg05_race2 (stderr) helgrind/tests/tc01_simple_race (stderr) helgrind/tests/tc05_simple_race (stderr) helgrind/tests/tc06_two_races (stderr) helgrind/tests/tc09_bad_unlock (stderr) helgrind/tests/tc14_laog_dinphils (stderr) helgrind/tests/tc16_byterace (stderr) helgrind/tests/tc17_sembar (stderr) helgrind/tests/tc19_shadowmem (stderr) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) helgrind/tests/tc23_bogus_condwait (stderr) |
|
From: Robert W. <rj...@du...> - 2008-01-28 00:00:00
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>> I have searched through the archives and found some informations >> about some work done on porting valgrind and its tools to MacOS X >> (x86 and ppc). >> >> What is the status of these ports ? >> >> Thanks in advance. > > This has been discussed before, not that long ago on one of the > Valgrind > lists, but I couldn't find it in the Gmane index. > > In short, apparently an incomplete but reasonably usable x86/MacOSX > port has > been written by Greg Parker, an Apple employee. We would love to > have this > port become part of Valgrind, as it would broaden Valgrind's audience > greatly (more than any other port except a Windows port, which would > be > technically difficult, but some people have been making excellent > progress > lately with Wine). > > AFAICT the obstacles to Greg's code being made public are more legal > (to do > with Apple releasing open source code) than technical. Although Greg > earlier suggested that a post-Leopard release was possible, that > hasn't > eventuated so it's unclear if/when it will be made public. If > anyone has > more recent/better information than I do please feel free to correct > me! I'm currently helping Greg internally at Apple to expedite the release process. The main stumbling block is our time, as both of us are quite busy. Regards, Robert. |