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On s390x, we need the si_addr from the siginfo_t to get to
the address of the illegal instruction (the PSW address in
the ucontext_t is already pointing to the next instruction
there). So let's prepare for that situation and pass the
si_addr to the reginfo_init() function everywhere.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 20230914113311.379537-2-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Adjust some of the aarch64 code to look at the reginfo struct
instead of looking at test_sve, so that we do not need to pass
the --test-sve option in order to dump sve trace files.
Diagnose EINVAL as either cpu or kernel does not support SVE.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708154700.18682-22-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This will allow dumping of SVE frames without having
to know the SVE vector length beforehand.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20220708154700.18682-19-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Some of the time we exit via the return value from main.
This can make it easier to tell what it is we're returning.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220708154700.18682-6-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Have the --xfeatures option accept "sse", "avx" and "avx512" in
addition to a plain numerical value, purely for users' convenience.
Don't fail silently when an incorrect value is specified, to avoid
confusion.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jan Bobek <jan.bobek@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The original code used "magic numbers", which made it unclear in
some places. Include a reference to the Intel manual where the
constants' meaning is discussed.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jan Bobek <jan.bobek@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The state expected for a given test must be specifically requested
with the --xfeatures=mask command-line argument. This is recorded
with the saved state so that it is obvious if the apprentice is given
a different argument. Any features beyond what are present on the
running cpu will read as zero.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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CPU-specific code in risu_reginfo_* is expected to define and export
the following symbols:
- arch_long_opts, arch_extra_help, process_arch_opt
- reginfo_size
- reginfo_init
- reginfo_is_eq
- reginfo_dump, reginfo_dump_mismatch
Make risu_reginfo_i386.c implement this interface; and while we're at
it, expand the support to x86_64 as well.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jan Bobek <jan.bobek@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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In order to build risu successfully for i386, we need files
risu_reginfo_i386.{h,c}; this patch adds the latter by extracting the
relevant code from risu_i386.c.
This patch is pure code motion; no functional changes were made.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Jan Bobek <jan.bobek@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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