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Re: tst-backtrace failures on AArch64
- From: Roland McGrath <roland at hack dot frob dot com>
- To: Will Newton <will dot newton at linaro dot org>
- Cc: libc-alpha <libc-alpha at sourceware dot org>
- Date: Tue, 12 Aug 2014 09:47:14 -0700 (PDT)
- Subject: Re: tst-backtrace failures on AArch64
- Authentication-results: sourceware.org; auth=none
- References: <CANu=DmgX5MBi4O8bfsC3Unn39nQDJN2qgJTAdT7w88G9xOatjA at mail dot gmail dot com>
On some other machines, either __foo_nocancel is wholly separate, so that
foo never jumps into it (e.g. arm); or __foo_nocancel appears after foo
(and inside the range of foo's st_size), so that a PC inside __foo_nocancel
is seen as being inside foo (e.g. x86_64). But on some others, it looks
more like aarch64 (e.g. alpha, s390) and I don't know what makes backtrace
happy for them.