zenithsiz/ftmemsim-valgrind
1
0
Fork 0
mirror of https://github.com/Zenithsiz/ftmemsim-valgrind.git synced 2026-02-03 18:13:01 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Origin tracking: handle 16-bit excess in guest state reads/writes.

Browse Source 
This gets rid of the messages "Approx: do_origins_Dirty(R): missed %d
bytes\n" and "Approx: do_origins_Dirty(W): missed %d bytes\n".



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8719
This commit is contained in:
Julian Seward 2008-10-30 13:08:31 +00:00
parent 5aecd38266
commit 34fa5dc31b
1 changed files with 13 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
memcheck/mc_translate.c
View File

@ -4174,10 +4174,13 @@ static void do_origins_Dirty ( MCEnv* mce, IRDirty* d )
curr = gen_maxU32( mce, curr, here );
toDo -= 4;
}
if (toDo != 0)
VG_(printf)("Approx: do_origins_Dirty(R): missed %d bytes\n",
(Int)toDo );
//tl_assert(toDo == 0); /* also need to handle 1,2-byte excess */
/* handle possible 16-bit excess */
while (toDo >= 2) {
here = gen_load_b( mce, 2, d->mAddr, d->mSize - toDo );
curr = gen_maxU32( mce, curr, here );
toDo -= 2;
}
tl_assert(toDo == 0); /* also need to handle 1-byte excess */
}
/* Whew! So curr is a 32-bit B-value which should give an origin
@ -4231,10 +4234,12 @@ static void do_origins_Dirty ( MCEnv* mce, IRDirty* d )
gen_store_b( mce, 4, d->mAddr, d->mSize - toDo, curr );
toDo -= 4;
}
if (toDo != 0)
VG_(printf)("Approx: do_origins_Dirty(W): missed %d bytes\n",
(Int)toDo );
//tl_assert(toDo == 0); /* also need to handle 1,2-byte excess */
/* handle possible 16-bit excess */
while (toDo >= 2) {
gen_store_b( mce, 2, d->mAddr, d->mSize - toDo, curr );
toDo -= 2;
}
tl_assert(toDo == 0); /* also need to handle 1-byte excess */
}
}