[jdk24u] RFR: 8352946: SEGV_BND signal code of SIGSEGV missing from our signal-code table

[Matthias Baesken]

On Wed, 2 Apr 2025 15:16:30 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

>> 8352946: SEGV_BND signal code of SIGSEGV missing from our signal-code table
>
> src/hotspot/os/posix/signals_posix.cpp line 976:
> 
>> 974:     { SIGSEGV, SEGV_MAPERR,  "SEGV_MAPERR",  "Address not mapped to object." },
>> 975:     { SIGSEGV, SEGV_ACCERR,  "SEGV_ACCERR",  "Invalid permissions for mapped object." },
>> 976: #if defined(LINUX)
> 
> Suggestion:
> 
> #if defined(SEGV_BNDERR)
> 
> safer; in case other platforms have this too, and in case Linux has this not. As long as this is a macro, at least.

I define it (line 54) if it is not there so it should be safe.

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PR Review Comment: https://git.openjdk.org/jdk24u/pull/175#discussion_r2025069574