diff options
Diffstat (limited to 'gcc48-rh1312850.patch')
| -rw-r--r-- | gcc48-rh1312850.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc48-rh1312850.patch b/gcc48-rh1312850.patch new file mode 100644 index 0000000..841627f --- /dev/null +++ b/gcc48-rh1312850.patch @@ -0,0 +1,24 @@ +2016-05-26 Martin Sebor <msebor@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + * asan/asan_rtl.cc (InitializeHighMemEnd): Backport part of upstream + r221457 fix and typo fix from r206158. + +--- libsanitizer/asan/asan_rtl.cc.jj 2013-03-04 12:44:18.000000000 +0100 ++++ libsanitizer/asan/asan_rtl.cc 2016-05-26 09:57:10.761973999 +0200 +@@ -308,11 +308,13 @@ static void InitializeHighMemEnd() { + # if defined(__powerpc64__) + // FIXME: + // On PowerPC64 we have two different address space layouts: 44- and 46-bit. +- // We somehow need to figure our which one we are using now and choose ++ // We somehow need to figure out which one we are using now and choose + // one of 0x00000fffffffffffUL and 0x00003fffffffffffUL. + // Note that with 'ulimit -s unlimited' the stack is moved away from the top + // of the address space, so simply checking the stack address is not enough. +- kHighMemEnd = (1ULL << 44) - 1; // 0x00000fffffffffffUL ++ // This should (does) work for both PowerPC64 Endian modes. ++ kHighMemEnd = ++ (1ULL << (MostSignificantSetBitIndex(GET_CURRENT_FRAME()) + 1)) - 1; + # else + kHighMemEnd = (1ULL << 47) - 1; // 0x00007fffffffffffUL; + # endif |