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charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.30 X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Phil Phil via Gdb Reply-To: Phil Phil Errors-To: gdb-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb" Should the stack segment still be there though? I compared a stackpointer t= o the memory areas from info proc mappings and I can't find a match. ________________________________ From: Luis Machado Sent: Thursday, June 6, 2024 9:41 AM To: Phil Phil ; gdb@sourceware.org Subject: Re: Stack segments for Aarch64 Hi, On 6/6/24 10:33, Phil Phil wrote: > GDB 12.1 coredump post mortem coredump debugging on an x64 Linux desktop.= I do not see a perms column in info proc mappings. > Ah, so it is corefile debugging. Checking on my end, I don't see the permis= sions column either. Now it escapes me if we have any special reason for that or if it is just an oversight somewhere. As for the= stack marker, I suppose we lose that reference when the corefile is generated. That reference comes from /proc//maps = when we do "info proc mapping". ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= ---------------------------------------------------------------------------= --------------- > *From:* Luis Machado > *Sent:* Thursday, June 6, 2024 9:23 AM > *To:* Phil Phil ; 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 aarch6= 4 gdb produces this output for info proc mappings >> >> Start Addr End Addr Size Offset objfile >> 0x557ead9000 0x5582dee000 0x4315000 0x0 /usr/bin/m= yproc >> 0x5582dfe000 0x5582f0a000 0x10c000 0x4315000 /usr/bin/m= yproc >> 0x5582f0a000 0x5582f24000 0x1a000 0x4421000 /usr/bin/m= yproc >> >> 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 obj= file > 0xaaaaaaaa0000 0xaaaaac3c6000 0x1926000 0x0 r-xp /ho= me/ubuntu/work/build/binutils-gdb-master/gdb/gdb > 0xaaaaac3d5000 0xaaaaacd2a000 0x955000 0x1925000 r--p /ho= me/ubuntu/work/build/binutils-gdb-master/gdb/gdb > 0xaaaaacfc6000 0xaaaaad069000 0xa3000 0x0 rw-p [he= ap] > ... > 0xfffffffdf000 0x1000000000000 0x21000 0x0 rw-p [st= ack]