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From: John R. <joh...@gm...> - 2008-08-31 23:17:24
|
Fantastic news (just got round to catching up on the list). I was having a look at doing an ARM port about 6 months ago, but other work took priority. I guess I'll cross it off my list of things to consider doing if you're as close to completion as you suggest :) I'm looking forward to seeing the code when you submit it. I've got a lot of code I run on ARM I'd really like to run through Valgrind. 2008/8/28 Evan Geller <th...@gm...>: > My port is nearly done, minus floating point and VFP and neon and some other > stuff, but it runs plenty of stuff just fine. Yes memcheck works fine too. > Please don't start a port now :) It'd be a shame to have two separate ARM > ports. > > And for the record it's a huge amount of work. Ivan's code isn't working > either, since the flags aren't being set properly, and removing the flag > thunks slows things down. Currently the flags are being calculated in IR but > I plan to make that a helper. The tree is pretty dirty right now, I might > just post a tarball somewhere so people can play with it. I haven't really > talked to anyone from the valgrind project about actually integrating it in. > The code is just really hashy right now, but it works. I'll try and have it > up by next friday :-D > > /eazg > > ~~~~ > > Hi all: > > We are also trying to port Valgrind to ARM. We are not sure whether we shall > proceed because right now we have no idea how much time it is going to take. > I've read the following Documentation: > > 1) Valgrind: A Framework for Heavyweight Dynamic Binary Instrumentation; > 2) How to Shadow Every Byte of Memory Used by a Program; > > Here's my understanding and questions about porting Valgrind to ARM. Please > correct me if I am wrong: > > How Valgrind works: Valgrind core will first convert the user executable > into a standard Valgrind intermediate code (somewhat similar to the JAVA > byte code). After that, Valgrind will do some optimization on the > intermediate code. Then the Valgrind tools such as memcheck will instrument > (massage) the intermediate code to implement the tools' own functionality, > e.g., memory leak detection. Since this step is based on intermediate code > (architecture independent), theoretically, we don't need to do extra work on > Valgrind tools. When Valgrind tools finish massaging the intermediate code, > Valgrind core will optimize the intermediate code again, allocate > architecture dependant registers, and then convert the optimized > intermediate code back to the architecture specific machine code (ARM binary > code). To port Valgrind to ARM, we need to do the following: > a) Convert ARM executable to IR code. This part is already available > inVEX/priv/guest-arm/toIR.c and Ivan has the path for it. This is the > client's side. > b) Convert the optimized Valgrind intermediate code back to the ARM binary > executable. There's a lot of work to do here inVEX/priv/host-arm/hdefs.c. > Basically we have to implement corresponding functions for ARM as listed in > vex_main.c for PPC32: > > case VexArchPPC32: > mode64 = False; > getAllocableRegs_PPC ( &n_available_real_regs,&available_real_regs, mode64 > ); > isMove = (Bool(*)(HInstr*,HReg*,HReg*)) isMove_PPCInstr; > getRegUsage = (void(*)(HRegUsage*,HInstr*,Bool))getRegUsage_PPCInstr; > mapRegs = (void(*)(HRegRemap*,HInstr*,Bool)) mapRegs_PPCInstr; > genSpill = (HInstr*(*)(HReg,Int,Bool)) genSpill_PPC; > genReload = (HInstr*(*)(HReg,Int,Bool)) genReload_PPC; > ppInstr = (void(*)(HInstr*,Bool)) ppPPCInstr; > ppReg = (void(*)(HReg)) ppHRegPPC;iselSB = iselSB_PPC; > emit = (Int(*)(UChar*,Int,HInstr*,Bool,void*))emit_PPCInstr; > host_is_bigendian = True; > host_word_type = Ity_I32; > vassert(are_valid_hwcaps(VexArchPPC32, vta->archinfo_host.hwcaps)); > vassert(vta->dispatch == NULL); /* return-to-dispatcher scheme */ > break; > > Of course we need to implement other functions such as scheduler, > dispatcher, c_main startup code, etc..., but the above mentioned two parts > are the key steps to the porting. My biggest concern is that according to my > understanding, porting to ARM does not require extra work on memcheck, > callgrind, helgrind and other Valgrind tools since these tools work on > Valgrind IR code and the IR code is architecture independent. Can anyone > tell me whether the porting requires extra work on Valgrind tools? > > Thanks > Shachen > > > _________________________________________________________________ > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Valgrind-developers mailing list > Val...@li...<mailto:Val...@li...> > https://lists.sourceforge.net/lists/listinfo/valgrind-developers > > > > > -- > --- > Evan Geller > th...@gm... > > > -- > --- > Evan Geller > th...@gm... > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Valgrind-developers mailing list > Val...@li... > https://lists.sourceforge.net/lists/listinfo/valgrind-developers > > |
|
From: Tom H. <th...@cy...> - 2008-08-31 03:08:19
|
Nightly build on alvis ( i686, Red Hat 7.3 ) started at 2008-08-31 03:15:02 BST 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 == 346 tests, 60 stderr failures, 1 stdout failure, 29 post failures == memcheck/tests/file_locking (stderr) memcheck/tests/leak-0 (stderr) memcheck/tests/leak-cycle (stderr) memcheck/tests/leak-regroot (stderr) memcheck/tests/leak-tree (stderr) memcheck/tests/long_namespace_xml (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/origin1-yes (stderr) memcheck/tests/origin4-many (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_changes (stderr) memcheck/tests/varinfo1 (stderr) memcheck/tests/varinfo2 (stderr) memcheck/tests/varinfo3 (stderr) memcheck/tests/varinfo4 (stderr) memcheck/tests/varinfo5 (stderr) memcheck/tests/varinfo6 (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/mremap2 (stdout) none/tests/shell (stderr) none/tests/shell_valid1 (stderr) none/tests/shell_valid2 (stderr) none/tests/shell_valid3 (stderr) 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/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/tc11_XCHG (stderr) helgrind/tests/tc12_rwl_trivial (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) |
|
From: Tom H. <th...@cy...> - 2008-08-31 02:55:04
|
Nightly build on aston ( x86_64, Fedora Core 5 ) started at 2008-08-31 03:20:05 BST 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 == 444 tests, 8 stderr failures, 1 stdout failure, 0 post failures == memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/x86/scalar (stderr) none/tests/blockfault (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) |
|
From: Tom H. <th...@cy...> - 2008-08-31 02:44:25
|
Nightly build on lloyd ( x86_64, Fedora 7 ) started at 2008-08-31 03:05:05 BST 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 == 438 tests, 6 stderr failures, 2 stdout failures, 0 post failures == memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/vcpu_fnfns (stdout) memcheck/tests/x86/scalar (stderr) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc22_exit_w_lock (stderr) |
|
From: Tom H. <th...@cy...> - 2008-08-31 02:41:42
|
Nightly build on trojan ( x86_64, Fedora Core 6 ) started at 2008-08-31 03:25:05 BST 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 == 442 tests, 8 stderr failures, 5 stdout failures, 0 post failures == memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) 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) none/tests/cmdline1 (stdout) none/tests/cmdline2 (stdout) none/tests/mremap2 (stdout) helgrind/tests/tc20_verifywrap (stderr) helgrind/tests/tc21_pthonce (stderr) helgrind/tests/tc22_exit_w_lock (stderr) |
|
From: Tom H. <th...@cy...> - 2008-08-31 02:23:48
|
Nightly build on gill ( x86_64, Fedora Core 2 ) started at 2008-08-31 03:00:05 BST 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 == 444 tests, 31 stderr failures, 3 stdout failures, 0 post failures == memcheck/tests/file_locking (stderr) memcheck/tests/malloc_free_fill (stderr) memcheck/tests/origin5-bz2 (stderr) memcheck/tests/pointer-trace (stderr) memcheck/tests/stack_switch (stderr) memcheck/tests/varinfo6 (stderr) memcheck/tests/x86/scalar (stderr) memcheck/tests/x86/scalar_supp (stderr) none/tests/amd64/insn_ssse3 (stdout) none/tests/amd64/insn_ssse3 (stderr) none/tests/amd64/ssse3_misaligned (stderr) none/tests/blockfault (stderr) none/tests/fdleak_fcntl (stderr) none/tests/mremap2 (stdout) none/tests/x86/insn_ssse3 (stdout) none/tests/x86/insn_ssse3 (stderr) none/tests/x86/ssse3_misaligned (stderr) 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) |