jemalloc on iMX6 ARM

[Jorge Fernandez Monteagudo]

Another clue. I've generated the library with 

$ ./configure --build=x86_64-linux --host=arm-poky-linux-gnueabi --enable-debug

and now I have

# export LD_PRELOAD=/tmp/libjemalloc.so.2
# ls
<jemalloc>: src/rtree.c:18: Failed assertion: "bits > 0 && bits <= (sizeof(uintptr_t) << 3)"
Aborted


________________________________________
From: jemalloc-discuss-bounces at canonware.com [jemalloc-discuss-bounces at canonware.com] On Behalf Of Jorge Fernandez Monteagudo [jorgefm at cirsa.com]
Sent: Friday, January 29, 2016 7:26 PM
To: jemalloc-discuss at canonware.com
Subject: jemalloc on iMX6 ARM

Hi all, this is my first post to this mailing list.

I'm trying to give a try to jemalloc in a iMX6 ARM board. I've
downloaded the current master image from

https://github.com/jemalloc/jemalloc/tree/master

I've done the cross compilation with no problem and I've deploy
the lib to the board. Our iMX6 image is using 3.14 linux kernel.
The library generated with

./configure --build=x86_64-linux --host=arm-poky-linux-gnueabi
scp lib/libjemalloc.so.2 root@<imx6_board_ip>:/tmp/

when I tried in the board I get:

# export LD_PRELOAD=/tmp/libjemalloc.so.2
# ls
Bus error

and in dmesg I can see

Alignment trap: not handling instruction e1b14f9f at [<76f06b14>]
Unhandled fault: alignment exception (0x011) at 0x76f2cfe4


If I build the library with

./configure --build=x86_64-linux --host=arm-poky-linux-gnueabi --disable-fill
scp lib/libjemalloc.so.2 root@<imx6_board_ip>:/tmp/

when I tried in the board I get:

# export LD_PRELOAD=/tmp/libjemalloc.so.2
# ls
Segmentation fault


I guess the jemalloc is able to work on ARM systems. Where should I start looking to
make it work? Any hint is welcome!


Pd: This is the configuration the 'configure' process prints on screen

===============================================================================
jemalloc version   : 0.0.0-0-g0000000000000000000000000000000000000000
library revision   : 2

CONFIG             : --build=x86_64-linux --host=arm-poky-linux-gnueabi build_alias=x86_64-linux host_alias=arm-poky-linux-gnueabi 'CC=arm-poky-linux-gnueabi-gcc -march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9 --sysroot=/opt/fsl-imx-fb/3.14.52-1.1.0/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi' 'CFLAGS= -O2 -pipe -g -feliminate-unused-debug-types' 'LDFLAGS=-Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed' CPPFLAGS= 'CPP=arm-poky-linux-gnueabi-gcc -E -march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9 --sysroot=/opt/fsl-imx-fb/3.14.52-1.1.0/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi'
CC                 : arm-poky-linux-gnueabi-gcc  -march=armv7-a -mfloat-abi=hard -mfpu=neon -mtune=cortex-a9 --sysroot=/opt/fsl-imx-fb/3.14.52-1.1.0/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi
CFLAGS             :  -O2 -pipe -g -feliminate-unused-debug-types -fvisibility=hidden
CPPFLAGS           :  -D_GNU_SOURCE -D_REENTRANT
LDFLAGS            : -Wl,-O1 -Wl,--hash-style=gnu -Wl,--as-needed
EXTRA_LDFLAGS      :
LIBS               :  -lpthread
TESTLIBS           :
RPATH_EXTRA        :

XSLTPROC           : false
XSLROOT            :

PREFIX             : /usr/local
BINDIR             : /usr/local/bin
DATADIR            : /usr/local/share
INCLUDEDIR         : /usr/local/include
LIBDIR             : /usr/local/lib
MANDIR             : /usr/local/share/man

srcroot            :
abs_srcroot        : /data/develop/hardware/imx6_work/memory_allocator/jemalloc-4.0.4/
objroot            :
abs_objroot        : /data/develop/hardware/imx6_work/memory_allocator/jemalloc-4.0.4/

JEMALLOC_PREFIX    :
JEMALLOC_PRIVATE_NAMESPACE
                   : je_
install_suffix     :
autogen            : 0
cc-silence         : 1
debug              : 0
code-coverage      : 0
stats              : 1
prof               : 0
prof-libunwind     : 0
prof-libgcc        : 0
prof-gcc           : 0
tcache             : 1
fill               : 1
utrace             : 0
valgrind           : 1
xmalloc            : 0
munmap             : 0
lazy_lock          : 0
tls                : 1
cache-oblivious    : 1
===============================================================================


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