Stack segments for Aarch64
Phil Phil
heidegg@hotmail.com
Thu Jun 6 09:33:08 GMT 2024
GDB 12.1 coredump post mortem coredump debugging on an x64 Linux desktop. I do not see a perms column in info proc mappings.
________________________________
From: Luis Machado <luis.machado@arm.com>
Sent: Thursday, June 6, 2024 9:23 AM
To: Phil Phil <heidegg@hotmail.com>; gdb@sourceware.org <gdb@sourceware.org>
Subject: Re: Stack segments for Aarch64
Hi,
On 6/6/24 10:17, Phil Phil via Gdb wrote:
> Greetings,
>
> I'm trying get some memory info on an Aarch64 for a coredump. The aarch64 gdb produces this output for info proc mappings
>
> Start Addr End Addr Size Offset objfile
> 0x557ead9000 0x5582dee000 0x4315000 0x0 /usr/bin/myproc
> 0x5582dfe000 0x5582f0a000 0x10c000 0x4315000 /usr/bin/myproc
> 0x5582f0a000 0x5582f24000 0x1a000 0x4421000 /usr/bin/myproc
>
> I'm missing at least two things here compared to the x64 output:
>
>
> *
> No read/write permissions
> *
> Stack segments are not shown.
>
> Any ideas on how to make these two things visible on Aarch64?
>
> Regards
What aarch64 debugging setup do you have? Versions etc? Remote?
For me, running native gdb on aarch64:
process 1681741
Mapped address spaces:
Start Addr End Addr Size Offset Perms objfile
0xaaaaaaaa0000 0xaaaaac3c6000 0x1926000 0x0 r-xp /home/ubuntu/work/build/binutils-gdb-master/gdb/gdb
0xaaaaac3d5000 0xaaaaacd2a000 0x955000 0x1925000 r--p /home/ubuntu/work/build/binutils-gdb-master/gdb/gdb
0xaaaaacfc6000 0xaaaaad069000 0xa3000 0x0 rw-p [heap]
...
0xfffffffdf000 0x1000000000000 0x21000 0x0 rw-p [stack]
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