Re: [RFC PATCH] semihosting/arm-compat: remove heuristic softmmu SYS_HEAPINFO

[Peter Maydell]

On Tue, 1 Jun 2021 at 10:12, Alex Bennée <alex.bennee@linaro.org> wrote:
>
> The previous numbers were a guess at best. While we could extract the
> information from a loaded ELF file via -kernel we could still get
> tripped up by self decompressing or relocating code. Besides sane
> library code has access to the same symbols in run time to make a
> determination of the location of the heap.
>
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
> Cc: Andrew <astrauss11@gmail.com>
> ---
>  semihosting/arm-compat-semi.c | 19 ++++++++++---------
>  1 file changed, 10 insertions(+), 9 deletions(-)

This seems like a pretty good candidate for breaking existing
working binaries. How much testing against different varieties of
guest-code-using-semihosting have you done ?

thanks
-- PMM