cxxabi.h is part of libsdtc++ and LLVM's libcxx, providing
abi::__cxa_demangle a portable C++ demangler. Add a feature test to
detect that the function is available.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Liška <mliska@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Pavithra Gurushankar <gpavithrasha@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Quentin Monnet <quentin@isovalent.com>
Cc: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Tom Rix <trix@redhat.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: llvm@lists.linux.dev
Link: https://lore.kernel.org/r/20230311065753.3012826-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
compile-32 \
compile-x32 \
cplus-demangle \
+ cxa-demangle \
gtk2 \
gtk2-infobar \
hello \
test-libbfd-liberty.bin \
test-libbfd-liberty-z.bin \
test-cplus-demangle.bin \
+ test-cxa-demangle.bin \
test-libcap.bin \
test-libelf.bin \
test-libelf-getphdrnum.bin \
$(OUTPUT)test-cplus-demangle.bin:
$(BUILD) -liberty
+$(OUTPUT)test-cxa-demangle.bin:
+ $(BUILDXX)
+
$(OUTPUT)test-backtrace.bin:
$(BUILD)
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <stdlib.h>
+#include <cxxabi.h>
+
+int main(void)
+{
+ size_t len = 256;
+ char *output = (char*)malloc(len);
+ int status;
+
+ output = abi::__cxa_demangle("FieldName__9ClassNameFd", output, &len, &status);
+
+ printf("demangled symbol: {%s}\n", output);
+
+ return 0;
+}