trying to compile on arm cortex-a72 rpi4 - CVE-2017-5753 #7

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naamir opened this issue Dec 2, 2019 · 0 comments

naamir commented Dec 2, 2019 •

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Hello,

I am trying to compile code for CVE-2017-5753 on the new rpi4. I have tried using the following:

arm-linux-gnueabihf-gcc -mcpu=cortex-a72 -std=gnu99 source.c
result:
source.c: In function ‘timed_read’:
source.c:39:2: error: unknown register name ‘x5’ in ‘asm’
asm volatile (
^~~
/home/pi/git/aarch64-linux-gnu/bin/aarch64-linux-gnu-gcc -mcpu=cortex-a72 -std=gnu99 source.c
result:
bash: /home/pi/git/aarch64-linux-gnu/bin/aarch64-linux-gnu-gcc: cannot execute binary file: Exec format error

I had to clone the repo (listed here:https://github.com/najahiiii/aarch64-linux-gnu) to get aarch64-linux-gnu-gcc but it doesn't want to run.

Could you please provide some guidance on how to compile this?

Thank you in advance!

naamir changed the title ~~trying to compile on arm cortex-a72 rpi4~~ trying to compile on arm cortex-a72 rpi4 - CVE-2017-5753

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