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Re: [PATCH v7 3/8] Use xml-syscall to compare syscall numbers in arm_linux_sigreturn_return-addr.
- From: Pedro Alves <palves at redhat dot com>
- To: Yao Qi <qiyaoltc at gmail dot com>, Antoine Tremblay <antoine dot tremblay at ericsson dot com>
- Cc: gdb-patches at sourceware dot org
- Date: Fri, 11 Dec 2015 12:05:32 +0000
- Subject: Re: [PATCH v7 3/8] Use xml-syscall to compare syscall numbers in arm_linux_sigreturn_return-addr.
- Authentication-results: sourceware.org; auth=none
- References: <1449583641-18156-1-git-send-email-antoine dot tremblay at ericsson dot com> <1449583641-18156-4-git-send-email-antoine dot tremblay at ericsson dot com> <86io45ql3x dot fsf at gmail dot com> <566ABA91 dot 5000508 at redhat dot com> <566ABB44 dot 3080004 at gmail dot com>
On 12/11/2015 12:02 PM, Yao Qi wrote:
> On 11/12/15 11:59, Pedro Alves wrote:
>> but then you might as well just do:
>>
>> #define ARM_SIGRETURN 119
>
> How about using __NR_sigreturn and __NR_rt_sigreturn directly? like
> what patch #6 does.
Those are host/native macros. Only make sense for the running host.
Can't use that in a tdep file, like arm-linux-tdep.c. Otherwise, e.g.,
a x86-hosted cross debugger would be using the x86 __NR_sigreturn, etc.
Thanks,
Pedro Alves