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Diffstat (limited to 'gdb/testsuite/lib/gdb.exp')
| -rw-r--r-- | gdb/testsuite/lib/gdb.exp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp index 1eea922..9284291 100644 --- a/gdb/testsuite/lib/gdb.exp +++ b/gdb/testsuite/lib/gdb.exp @@ -2825,6 +2825,56 @@ gdb_caching_proc skip_btrace_pt_tests { return $skip_btrace_tests } +# Run a test on the target to see if it supports Aarch64 SVE hardware. +# Return 0 if so, 1 if it does not. Note this causes a restart of GDB. + +gdb_caching_proc skip_aarch64_sve_tests { + global srcdir subdir gdb_prompt inferior_exited_re + + set me "skip_aarch64_sve_tests" + + if { ![is_aarch64_target]} { + return 1 + } + + set compile_flags "{additional_flags=-march=armv8-a+sve}" + + # Compile a test program containing SVE instructions. + set src { + int main() { + asm volatile ("ptrue p0.b"); + return 0; + } + } + if {![gdb_simple_compile $me $src executable $compile_flags]} { + return 1 + } + + # Compilation succeeded so now run it via gdb. + clean_restart $obj + gdb_run_cmd + gdb_expect { + -re ".*Illegal instruction.*${gdb_prompt} $" { + verbose -log "\n$me sve hardware not detected" + set skip_sve_tests 1 + } + -re ".*$inferior_exited_re normally.*${gdb_prompt} $" { + verbose -log "\n$me: sve hardware detected" + set skip_sve_tests 0 + } + default { + warning "\n$me: default case taken" + set skip_sve_tests 1 + } + } + gdb_exit + remote_file build delete $obj + + verbose "$me: returning $skip_sve_tests" 2 + return $skip_sve_tests +} + + # A helper that compiles a test case to see if __int128 is supported. proc gdb_int128_helper {lang} { return [gdb_can_simple_compile "i128-for-$lang" { |