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From: <sv...@va...> - 2012-08-20 20:13:36
|
florian 2012-08-20 21:13:27 +0100 (Mon, 20 Aug 2012)
New Revision: 2473
Log:
Handle Iop_Left16 so And16 / Sub16 work properly with memcheck.
Modified files:
trunk/priv/host_ppc_isel.c
Modified: trunk/priv/host_ppc_isel.c (+1 -0)
===================================================================
--- trunk/priv/host_ppc_isel.c 2012-08-20 14:44:29 +01:00 (rev 2472)
+++ trunk/priv/host_ppc_isel.c 2012-08-20 21:13:27 +01:00 (rev 2473)
@@ -1850,6 +1850,7 @@
}
case Iop_Left8:
+ case Iop_Left16:
case Iop_Left32:
case Iop_Left64: {
HReg r_src, r_dst;
|
|
From: <sv...@va...> - 2012-08-20 16:51:47
|
florian 2012-08-20 17:51:39 +0100 (Mon, 20 Aug 2012)
New Revision: 12884
Log:
Handle the following IRops as they may get generated:
Iop_Mul8, Iop_Sar8, Iop_CmpwNEZ32, and Iop_8HLto16.
With this change mc_translate now handles all IR ops which are architecture
independent, except Iop_LeftXYZ and Iop_Max32U.
Modified files:
trunk/memcheck/mc_translate.c
Modified: trunk/memcheck/mc_translate.c (+7 -1)
===================================================================
--- trunk/memcheck/mc_translate.c 2012-08-20 11:40:02 +01:00 (rev 12883)
+++ trunk/memcheck/mc_translate.c 2012-08-20 17:51:39 +01:00 (rev 12884)
@@ -3313,6 +3313,8 @@
case Iop_DivModS128to64:
return mkLazy2(mce, Ity_I128, vatom1, vatom2);
+ case Iop_8HLto16:
+ return assignNew('V', mce, Ity_I16, binop(op, vatom1, vatom2));
case Iop_16HLto32:
return assignNew('V', mce, Ity_I32, binop(op, vatom1, vatom2));
case Iop_32HLto64:
@@ -3410,6 +3412,7 @@
case Iop_Sub16:
return mkLeft16(mce, mkUifU16(mce, vatom1,vatom2));
+ case Iop_Mul8:
case Iop_Sub8:
case Iop_Add8:
return mkLeft8(mce, mkUifU8(mce, vatom1,vatom2));
@@ -3459,7 +3462,7 @@
case Iop_Shl16: case Iop_Shr16: case Iop_Sar16:
return scalarShift( mce, Ity_I16, op, vatom1,vatom2, atom1,atom2 );
- case Iop_Shl8: case Iop_Shr8:
+ case Iop_Shl8: case Iop_Shr8: case Iop_Sar8:
return scalarShift( mce, Ity_I8, op, vatom1,vatom2, atom1,atom2 );
case Iop_AndV256:
@@ -3756,6 +3759,9 @@
case Iop_Abs32x4:
return mkPCast32x4(mce, vatom);
+ case Iop_CmpwNEZ32:
+ return mkPCastTo(mce, Ity_I32, vatom);
+
case Iop_CmpwNEZ64:
return mkPCastTo(mce, Ity_I64, vatom);
|
|
From: <sv...@va...> - 2012-08-20 13:44:38
|
florian 2012-08-20 14:44:29 +0100 (Mon, 20 Aug 2012)
New Revision: 2472
Log:
Fix insn selection for Iop_Shr8/16 and Iop_Sar8/16 on s390.
Modified files:
trunk/priv/host_s390_isel.c
Modified: trunk/priv/host_s390_isel.c (+22 -1)
===================================================================
--- trunk/priv/host_s390_isel.c 2012-08-18 03:41:58 +01:00 (rev 2471)
+++ trunk/priv/host_s390_isel.c 2012-08-20 14:44:29 +01:00 (rev 2472)
@@ -1105,7 +1105,28 @@
h1 = s390_isel_int_expr(env, arg1); /* Process 1st operand */
op2 = s390_isel_int_expr_RMI(env, arg2); /* Process 2nd operand */
res = newVRegI(env);
- addInstr(env, s390_insn_move(size, res, h1));
+
+ /* As right shifts of one/two byte opreands are implemented using a
+ 4-byte shift op, we first need to zero/sign-extend the shiftee. */
+ switch (expr->Iex.Binop.op) {
+ case Iop_Shr8:
+ insn = s390_insn_unop(4, S390_ZERO_EXTEND_8, res, s390_opnd_reg(h1));
+ break;
+ case Iop_Shr16:
+ insn = s390_insn_unop(4, S390_ZERO_EXTEND_16, res, s390_opnd_reg(h1));
+ break;
+ case Iop_Sar8:
+ insn = s390_insn_unop(4, S390_SIGN_EXTEND_8, res, s390_opnd_reg(h1));
+ break;
+ case Iop_Sar16:
+ insn = s390_insn_unop(4, S390_SIGN_EXTEND_16, res, s390_opnd_reg(h1));
+ break;
+ default:
+ insn = s390_insn_move(size, res, h1);
+ break;
+ }
+ addInstr(env, insn);
+
insn = s390_insn_alu(size, opkind, res, op2);
addInstr(env, insn);
|
|
From: Lionel C. <lio...@go...> - 2012-08-20 12:51:49
|
On 20 August 2012 14:25, Julian Seward <js...@ac...> wrote: > On Monday, August 20, 2012, Lionel Cons wrote: >> On 20 August 2012 12:40, <sv...@va...> wrote: >> > sewardj 2012-08-20 11:40:02 +0100 (Mon, 20 Aug 2012) >> > >> > New Revision: 12883 >> > >> > Log: >> > Fix POST(posix_spawn) on Darwin so it marks the returned pid as >> > defined. >> >> Is posix_spawn() a system call on Darwin? > > Yes it is. Where can I find the source of the kernel and libc implementation? Lionel |
|
From: Julian S. <js...@ac...> - 2012-08-20 12:37:38
|
On Monday, August 20, 2012, Lionel Cons wrote: > On 20 August 2012 12:40, <sv...@va...> wrote: > > sewardj 2012-08-20 11:40:02 +0100 (Mon, 20 Aug 2012) > > > > New Revision: 12883 > > > > Log: > > Fix POST(posix_spawn) on Darwin so it marks the returned pid as > > defined. > > Is posix_spawn() a system call on Darwin? Yes it is. J |
|
From: Lionel C. <lio...@go...> - 2012-08-20 12:06:15
|
On 20 August 2012 12:40, <sv...@va...> wrote: > sewardj 2012-08-20 11:40:02 +0100 (Mon, 20 Aug 2012) > > New Revision: 12883 > > Log: > Fix POST(posix_spawn) on Darwin so it marks the returned pid as defined. Is posix_spawn() a system call on Darwin? Lionel |
|
From: <sv...@va...> - 2012-08-20 10:40:10
|
sewardj 2012-08-20 11:40:02 +0100 (Mon, 20 Aug 2012)
New Revision: 12883
Log:
Fix POST(posix_spawn) on Darwin so it marks the returned pid as defined.
Modified files:
trunk/coregrind/m_syswrap/syswrap-darwin.c
Modified: trunk/coregrind/m_syswrap/syswrap-darwin.c (+3 -1)
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-darwin.c 2012-08-20 10:27:15 +01:00 (rev 12882)
+++ trunk/coregrind/m_syswrap/syswrap-darwin.c 2012-08-20 11:40:02 +01:00 (rev 12883)
@@ -2955,7 +2955,9 @@
POST(posix_spawn)
{
vg_assert(SUCCESS);
- //POST_MEM_WRITE( ARG1, sizeof(vki_pid_t) );
+ if (ARG1 != 0) {
+ POST_MEM_WRITE( ARG1, sizeof(vki_pid_t) );
+ }
}
|
|
From: Julian S. <js...@ac...> - 2012-08-20 09:30:48
|
On Sunday, August 19, 2012, Florian Krohm wrote: > svn up and friends stopped working for me sometime yesterday. > I'm getting > > svn: Can't connect to host 'svn.valgrind.org': Connection refused Is fixed now. J |
|
From: <sv...@va...> - 2012-08-20 09:27:24
|
philippe 2012-08-20 10:27:15 +0100 (Mon, 20 Aug 2012)
New Revision: 12882
Log:
fix 301281 valgrind hangs on OS X when the process calls system()
After looking more in depth, gdbserver must not be terminated
in PRE(posix_spawn) on MacOS: this is running in the parent and
(on MacOS) is a single syscall similar to a fork+exec.
On linux, posix_spawn is implemented using 2 syscalls
(fork followed by exec).
Modified files:
trunk/NEWS
trunk/coregrind/m_syswrap/syswrap-darwin.c
Modified: trunk/NEWS (+1 -0)
===================================================================
--- trunk/NEWS 2012-08-18 12:06:04 +01:00 (rev 12881)
+++ trunk/NEWS 2012-08-20 10:27:15 +01:00 (rev 12882)
@@ -20,6 +20,7 @@
https://bugs.kde.org/show_bug.cgi?id=XXXXXX
where XXXXXX is the bug number as listed below.
+301281 valgrind hangs on OS X when the process calls system()
n-i-bz shmat of a segment > 4Gb does not work
n-i-bz gdbserver_tests/simulate_control_c test script wrong USR1 sig nr on mips
n-i-bz vgdb ptrace calls wrong on mips, causing blocked syscalls to fail
Modified: trunk/coregrind/m_syswrap/syswrap-darwin.c (+5 -9)
===================================================================
--- trunk/coregrind/m_syswrap/syswrap-darwin.c 2012-08-18 12:06:04 +01:00 (rev 12881)
+++ trunk/coregrind/m_syswrap/syswrap-darwin.c 2012-08-20 10:27:15 +01:00 (rev 12882)
@@ -41,7 +41,6 @@
#include "pub_core_debuglog.h"
#include "pub_core_debuginfo.h" // VG_(di_notify_*)
#include "pub_core_transtab.h" // VG_(discard_translations)
-#include "pub_tool_gdbserver.h" // VG_(gdbserver)
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcfile.h"
@@ -2834,14 +2833,11 @@
/* Ok. So let's give it a try. */
VG_(debugLog)(1, "syswrap", "Posix_spawn of %s\n", (Char*)ARG2);
- // Terminate gdbserver if it is active.
- if (VG_(clo_vgdb) != Vg_VgdbNo) {
- // If the child will not be traced, we need to terminate gdbserver
- // to cleanup the gdbserver resources (e.g. the FIFO files).
- // If child will be traced, we also terminate gdbserver: the new
- // Valgrind will start a fresh gdbserver after exec.
- VG_(gdbserver) (0);
- }
+ /* posix_spawn on Darwin is combining the fork and exec in one syscall.
+ So, we should not terminate gdbserver : this is still the parent
+ running, which will terminate its gdbserver when exiting.
+ If the child process is traced, it will start a fresh gdbserver
+ after posix_spawn. */
// Set up the child's exe path.
//
|