[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1853826
Title:
ELF loader
** Bug watch removed: github.com/DynamoRIO/dynamorio/issues #3385
https://github.com/DynamoRIO/dynamorio/issues/3385
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https://bugs.launchpad.net/bugs/1853826
Title:
ELF loader fails
On 11/28/19 5:47 PM, Alex Bennée wrote:
> Do binaries have to be page size aware? I thought it was a runtime thing.
> However if the aarch64-linux-user is hardwired to 4k it might explain it's
> confusion on a 64k machine.
Binaries do have to be built for a minimum page size.
Most aarch64 binarie
Do binaries have to be page size aware? I thought it was a runtime thing.
However if the aarch64-linux-user is hardwired to 4k it might explain it's
confusion on a 64k machine.
On Thu, 28 Nov 2019, 16:33 Peter Maydell, wrote:
> If you objdump the binary and the offending library what do they see
If you objdump the binary and the offending library what do they seem to
have been built for ?
Certainly this:
0040-00401000 1000 ---
looks like a 4K page when we're trying to load things, so either we got
the loading wrong or the binary is 4K.
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FWIW -p 65536 doesn't trigger anything although I wouldn't trust -p too
much:
env
LD_LIBRARY_PATH=/opt/arm/armpl-19.3.0_ThunderX2CN99_Ubuntu-16.04_arm-hpc-compiler_19.3_aarch64-linux/lib/:/opt/arm/arm-hpc-compiler-19.3_Generic-AArch64_Ubuntu-16.04_aarch64-linux/lib/
~/lsrc/qemu.git/aarch64-linux
I do have a ARM HPC compiler license which I assume includes the armpl
blobs that came with it. You can email me directly at my Linaro email
(alex.ben...@linaro.org) if you don't want to upload the test case here.
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Alex,
Do you have the licence to run the compiler library?
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Title:
ELF loader fails to load shared object on ThunderX2 running RHEL7
Status in
IIRC RHEL uses 64k pages but Ubuntu does not -- maybe that is relevant ?
Is the guest binary built for 4K or 64K pages?
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Title:
ELF loader fails
This was on Aarch64 Ubuntu 18.04 - I don't have any RHEL machines around
but if you send the ld.so along with the other libraries that won't
matter in replicating the fault on my x86 host.
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Hi Alex,
So, it works in some machines and others not. Mainly in machines with RHEL OS
that we found the problem.
What is the OS you are using?
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** Changed in: qemu
Status: New => Incomplete
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Title:
ELF loader fails to load shared object on ThunderX2 running RHEL7
Status in QEMU:
I've attempted to replicate but it works for me:
16:55:37 [alex@idun:~/l/t/hello-armpl] $
~/lsrc/qemu.git/builds/all/aarch64-linux-user/qemu-aarch64 ./hello-armpl
Hello World...
16:55:52 [alex@idun:~/l/t/hello-armpl] $ ldd ./hello-armpl
linux-vdso.so.1 (0xb9e78000)
libamat
For info, a similar type of failure has been seen when loading libarmflang.so
on DynamoRIO:
https://github.com/DynamoRIO/dynamorio/issues/3385
It's to do with the .dynstr section being mapped incorrectly causing a SIGBUS.
** Bug watch added: github.com/DynamoRIO/dynamorio/issues #3385
https://
As it's taking longer to get the compiler up and running on my system
could you attach the failing binary along with the extra .so libs from
/scratch/arm-linux-compiler/*
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Taishan 2280 Cortex-A72
Running
1)with -armpl flag with and without the docker
armclang -armpl hello.c
./qemu/build/aarch64-linux-user/qemu-aarch64 -d page a.out
host mmap_min_addr=0x8000
Reserved 0x21000 bytes of guest address space
Relocating guest address space from 0x00400
Could you invoke one of the failing and passing cases with -d page and
post the results please.
** Tags added: arm linux-user
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Title:
ELF load
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