diff options
author | Max Filippov <jcmvbkbc@gmail.com> | 2018-11-07 20:52:55 +0000 |
---|---|---|
committer | Max Filippov <jcmvbkbc@gcc.gnu.org> | 2018-11-07 20:52:55 +0000 |
commit | 39a300fd08a80963ce13bd1598f9062935751e0f (patch) | |
tree | 2eb38110b3c11d6de8c83badd844672d33bc201b | |
parent | e31ae982c446804d1b259554203401392b078364 (diff) | |
download | gcc-releases/gcc-6.tar.gz |
gcc: xtensa: don't force PIC for uclinux targetreleases/gcc-6
xtensa-uclinux uses bFLT executable file format that cannot relocate
fields representing offsets from data to code. C++ objects built as PIC
use offsets to encode FDE structures. As a result C++ exception handling
doesn't work correctly on xtensa-uclinux. Don't use PIC by default on
xtensa-uclinux.
gcc/
2018-11-07 Max Filippov <jcmvbkbc@gmail.com>
Backport from mainline
2018-11-05 Max Filippov <jcmvbkbc@gmail.com>
* config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0.
From-SVN: r265890
-rw-r--r-- | gcc/ChangeLog | 7 | ||||
-rw-r--r-- | gcc/config/xtensa/uclinux.h | 4 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6d1036d23b6..df94dfda70b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2018-11-07 Max Filippov <jcmvbkbc@gmail.com> + + Backport from mainline + 2018-11-05 Max Filippov <jcmvbkbc@gmail.com> + + * config/xtensa/uclinux.h (XTENSA_ALWAYS_PIC): Change to 0. + 2018-10-26 Release Manager * GCC 6.5.0 released. diff --git a/gcc/config/xtensa/uclinux.h b/gcc/config/xtensa/uclinux.h index 6279a9934ae..82ec2602f41 100644 --- a/gcc/config/xtensa/uclinux.h +++ b/gcc/config/xtensa/uclinux.h @@ -59,8 +59,8 @@ along with GCC; see the file COPYING3. If not see #undef LOCAL_LABEL_PREFIX #define LOCAL_LABEL_PREFIX "." -/* Always enable "-fpic" for Xtensa Linux. */ -#define XTENSA_ALWAYS_PIC 1 +/* Don't enable "-fpic" for Xtensa uclinux. */ +#define XTENSA_ALWAYS_PIC 0 #undef TARGET_LIBC_HAS_FUNCTION #define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function |