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Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of pa
From: |
Bruno Haible |
Subject: |
Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler |
Date: |
Tue, 15 Mar 2011 01:28:06 +0100 |
User-agent: |
KMail/1.9.9 |
Christian Borntraeger wrote:
> I even think that this cannot be fully solved by looking at the instruction,
> e.g. you cannot tell which access triggered the fault for instruction with
> two memory accesses (mvc) in the same page.
Sure you can. If it's a "read" fault (i.e. the page has no readable mapping),
you can claim the source address operand is the fault address. Otherwise,
i.e. if it's a "write" fault, the destination address operand is the fault
address.
Bruno
- [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Bruno Haible, 2011/03/06
- [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Christoph Egger, 2011/03/06
- [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Christoph Egger, 2011/03/11
- [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Heiko Carstens, 2011/03/14
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Bruno Haible, 2011/03/14
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Heiko Carstens, 2011/03/14
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Christian Borntraeger, 2011/03/14
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler,
Bruno Haible <=
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Martin Schwidefsky, 2011/03/15
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Bruno Haible, 2011/03/15
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Christian Borntraeger, 2011/03/15
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Eric Blake, 2011/03/15
- Re: [bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Bruno Haible, 2011/03/15
[bug-libsigsegv] Re: sigsegv on s390 only giving start address of page in segv handler, Christoph Egger, 2011/03/11