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Julian Seward
2ee9e90486 Implement a GDB server in Valgrind. See #214909. 
(Philippe Waroquiers, philippe.waroquiers@skynet.be)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11727
 2011-05-06 21:02:55 +00:00
Julian Seward
ed9d566463 mkLazyN: fix incorrect type decl for 'mergeTy64', as spotted by IBM's 
BEAM checker.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11726
 2011-05-04 09:09:31 +00:00
Julian Seward
21dc1d9d42 scalarts_limitations_fail_NORETURN: fix a format string error 
spotted by IBM's BEAM checker.  (Why didn't gcc or clang see this?)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11725
 2011-05-04 09:08:34 +00:00
Julian Seward
29c20eaeb0 setup_client_stack: use have_exename to consistently guard uses 
of VG_(args_the_exename), thereby avoiding a potential segfault.
Spotted by IBM's BEAM checker.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11724
 2011-05-04 09:07:38 +00:00
Julian Seward
1ccdd881a6 calling format_message: when passing frameNo == -1, also pass 
tid == VG_INVALID_THREADID rather than an uninitialised ThreadId.
Also in format_message, improve precondition assertions for
frameNo and tid.

There's no error in the current code since if frameNo == -1 then
tid is unused, but it caused IBM's BEAM checker to complain.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11723
 2011-05-04 09:06:17 +00:00
Julian Seward
a31f76b8fc handle_maybe_load_notifier: assert when symbol == NULL rather than 
segfaulting.  Potential segfault was found by IBM's BEAM checker.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11722
 2011-05-04 09:03:41 +00:00
Julian Seward
8911c2ffa5 VG_(env_unsetenv), VG_(env_clone): add assertions so as to cause 
assertions instead of segfaults.  Potential segfaults were detected by
IBM's BEAM checker.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11721
 2011-05-04 09:01:58 +00:00
Julian Seward
555e3b2ccb arm-linux: Set _start symbol alignment and type. Bug 266035 comment 1. 
(Jeff Brown, jeffbrown@google.com)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11720
 2011-05-03 14:24:11 +00:00
Bart Van Assche
b9d948061a DRD: fix issues reported by the IBM static analysis tool. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11719
 2011-04-30 07:27:41 +00:00
Julian Seward
3b0d8644cb s390x : misc cleanups 
- Forgotten cleanups in none/tests/s390x/Makefile.am

Partial fix for #271501.  (Florian Krohm, britzel@acm.org)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11718
 2011-04-28 20:14:48 +00:00
Bart Van Assche
fbdd04d5a9 syswrap/Linux: trace ioctl() calls only once / do not report two-argument 
ioctl() calls as an error. Patch provided by Mark Hills. Closes #272730.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11717
 2011-04-28 18:36:49 +00:00
Julian Seward
5e6d4577de Change the TT_FAST hash function for from "insn_address >> 2" to 
"insn_address >> 1".  The former is appropriate for ARM code, where
all insns are 4-sized and 4-aligned, but not for Thumb code, where the
minimum size and alignment is 2.  The old scheme happened to work for
Thumb (indeed, any hash function would), but caused huge amounts of
conflict misses in the fast cache for some programs.

The change has been observed to reduce conflict misses by up to 100
times, and in some cases, improves performance significantly for Thumb
code.  Performance of ARM code is unchanged or possibly a bit worse.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11716
 2011-04-28 14:58:15 +00:00
Julian Seward
6045181f3c Change the default (minimum) client malloc alignment from 8 to 16 
on ppc32-linux.  This is needed to make Altivec-using code work
correctly.  Noticed when running ./auxprogs/gsl16test with gcc-4.6
with args -mcpu=970 -g -O3 -ftree-vectorize on Memcheck, in
which case a few of the tests failed because malloc() returns
8 byte aligned memory when it should return 16-aligned memory.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11715
 2011-04-27 23:25:15 +00:00
Robert Walsh
7671cab5c8 Fix no-arg ioctls on Darwin. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11714
 2011-04-27 19:04:31 +00:00
Julian Seward
482237674c s390x: fpr - gpr transfer facility -- valgrind side fixes, 
and test cases.  Fixes #268619.
(Florian Krohm, britzel@acm.org)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11713
 2011-04-27 12:00:51 +00:00
Julian Seward
62c800bccb Fix bogus asm constraints in jm-insns.c. Fixes #263919. 
(Maynard Johnson, maynardj@us.ibm.com)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11712
 2011-04-27 11:33:44 +00:00
Julian Seward
63eda9ca5a Add alternative expected output cases for more recent glibcs (eg, 
2.12), which print a minus sign for NaNs.  Fixes #262989.
(Maynard Johnson, maynardj@us.ibm.com)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11711
 2011-04-27 11:11:22 +00:00
Julian Seward
3a444148fd Fix a bunch of printf format-string warnings when compiling this "-m64". 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11710
 2011-04-27 08:09:37 +00:00
Julian Seward
d1ed036fc5 Fix a type mismatch that gcc-4.6 warns about. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11709
 2011-04-26 10:23:54 +00:00
Julian Seward
46855c22e4 Remove some unused code that gcc-4.6 warns about. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11708
 2011-04-26 10:23:33 +00:00
Julian Seward
f06f0f7185 Fix a couple of bogus asm constraints observed when trying to build 
V with clang-2.9.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11707
 2011-04-26 07:52:44 +00:00
Julian Seward
aa0d25d361 Fix a couple of warnings when building the regtests. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11706
 2011-04-21 23:05:49 +00:00
Julian Seward
b1a118436a Make reading of line number info from LLVM-2.9-generated Dwarf3 work. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11705
 2011-04-21 08:55:51 +00:00
Julian Seward
9c2eb5a882 Change a bunch of < > style includes to " " style. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11704
 2011-04-20 11:54:32 +00:00
Bart Van Assche
d077061870 Linux/syswrap: add support for USBDEVFS_RESET (patch contributed by Brad Hards <bradh@frogmouth.net>). 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11702
 2011-04-18 10:37:56 +00:00
Julian Seward
fce26577fc Fix bogus .size directives which are now rejected by binutils 2.21. 
Fixes #271043.  (Maynard Johnson, maynardj@us.ibm.com)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11700
 2011-04-15 21:21:27 +00:00
Julian Seward
b0716eae17 Un-break configure check for VSX (a POWER7 extension). Fixes #271042. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11699
 2011-04-15 21:16:00 +00:00
Julian Seward
438a573452 Mark this as executable. Followup for #267630. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11698
 2011-04-15 12:33:14 +00:00
Julian Seward
8dd8315914 Add support for IBM Power ISA 2.06 -- stage 1. Valgrind-side changes 
and test cases. Bug #267630 and followup fix #270794.
(Maynard Johnson, maynardj@us.ibm.com)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11697
 2011-04-15 11:57:05 +00:00
Julian Seward
aefafd9e19 Followup fix for r11693: add a file that was missed. 
Related to #270115.    (Florian Krohm, britzel@acm.org)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11696
 2011-04-13 16:05:35 +00:00
Julian Seward
7681f394c3 s390x: reconsider "long displacement" requirement -- hwcaps detection 
changes.  See #268620.  (Florian Krohm, britzel@acm.org)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11695
 2011-04-13 15:40:10 +00:00
Julian Seward
1ddfe2cc21 Test cases for #270082 (s390x: Make sure to point the PSW address to 
the next address on SIGILL)
(Christian Borntraeger <borntraeger@de.ibm.com>)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11694
 2011-04-13 15:15:52 +00:00
Julian Seward
7a3b89c927 s390x: rewrite some testcases. To make my testing and debugging life 
simpler, I've rewritten those testcases from none/tests/s390x that
require binutils to recognize opcodes defined in the
extended-immediate and general-instruction-extension facilities. As a
side effect this change removes the special casing in
none/tests/s390x/Makefile.am and the configury bits to support it.
Fixes #270115.  (Florian Krohm, britzel@acm.org)



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11693
 2011-04-13 14:57:44 +00:00
Bart Van Assche
bd7dbb42d3 timerfd-syscall regression test: Allow even more scheduler variation. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11692
 2011-04-12 10:28:31 +00:00
Julian Seward
7e54c5b2ca Get rid of shadowing causing a perl warning. Minor fallout from 
r11686.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11691
 2011-04-11 22:14:03 +00:00
Julian Seward
945eccc8e4 Make MacOS builds work again following fixes for #259977 
(revs 11687,8,9)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11690
 2011-04-11 22:08:06 +00:00
Julian Seward
e5a3e4f014 Add an alternative implementation of VG_MINIMAL_{SET,LONG}JMP 
for ppc32-linux, that works for gcc >= 4.4.  Related to #259977.
(modified version of patch from Maynard Johnson <maynardj@us.ibm.com>)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11689
 2011-04-11 21:26:27 +00:00
Julian Seward
c2120cadde Add an alternative implementation of VG_MINIMAL_{SET,LONG}JMP 
for ppc32-linux, that works for gcc >= 4.4.  Related to #259977.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11688
 2011-04-11 18:36:34 +00:00
Julian Seward
b3827d6c33 Create new module m_libcsetjmp, which wraps up uses of 
__builtin_setjmp and __builtin_longjmp so that they can be selectively
replaced, on a platform by platform basis.  Does not change any
functionality.  Related to #259977.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11687
 2011-04-11 16:17:51 +00:00
Julian Seward
dca5c116bb On OSX, post-process the tool executables to adjust the Mach-O headers 
in certain circumstances.  This works around a bug in the linker that
ships in Xcode 4.0.0 and 4.0.1 causing the 64-bit tool executables to
segfault at startup.  Fixes #267997.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11686
 2011-04-06 11:17:16 +00:00
Julian Seward
7970c3d273 Testcases for s390x conditional load and store. See #269209. 
(Christian Borntraeger, borntraeger@de.ibm.com)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11685
 2011-04-05 13:20:53 +00:00
Julian Seward
bddd46f059 Add s390x-esque test for folding Iop_And16. From #268513 comment 3. 
(Florian Krohm, britzel@acm.org)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11684
 2011-04-05 11:15:28 +00:00
Bart Van Assche
d411ca1dee Made the line numbers in exp-ptrcheck/tests/partial.c and the regression test output match again. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11683
 2011-04-04 10:15:33 +00:00
Bart Van Assche
8a3e9fdd7c git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11682 2011-04-03 17:42:19 +00:00
Bart Van Assche
954dc6c188 Also consider libpthread when testing for functions. Removed test for floor(). 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11681
 2011-04-03 16:46:01 +00:00
Bart Van Assche
f5001fcc32 Updated Subversion ignore list. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11680
 2011-03-30 18:59:56 +00:00
Bart Van Assche
245dbc33b3 Generalized Subversion ignore lists. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11679
 2011-03-30 18:58:40 +00:00
Julian Seward
857f34e035 Fix yet another gcc-4.6 assigned-to-but-not-used warning. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11677
 2011-03-29 17:05:09 +00:00
Bart Van Assche
44a6867773 timerfd-syscall regression test: Allow even more scheduler variation. 
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11676
 2011-03-29 10:56:32 +00:00
Julian Seward
b8a03bdc8e Remove a bunch more warnings generated by gcc-4.6 about dead 
assignments ("[-Wunused-but-set-variable]"), in the test suite.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11675
 2011-03-28 21:19:00 +00:00