The `libsonic` in Android only includes `sonic.c`:
https://cs.android.com/android/platform/superproject/+/master:external/sonic/Android.bp
openInputWaveFile and readFromWaveFile are in `wave.c`
- Dan
On Tue, Mar 31, 2020 at 2:56 PM jrw wrote:
> Hello,
>
> i'm facing an issue with the linker, most likely because of lack of
> knowledge :/
>
> i think i lack an include path or something like that, but i could not
> find something in the documentation or got confused by the Android.bp files.
>
> i try to simple example fuzzer:
>
> #include
> #include
> #include
> #include "sonic.h"
> #include "wave.h"
>
> #define BUFFER_SIZE 2048
>
> extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
>
> short inBuffer[BUFFER_SIZE];
> int foo = 10;
> int bar = 1;
>
> waveFile batz = openInputWaveFile((char*)data, ,);
>
> readFromWaveFile(batz,inBuffer,size);
>
> return 0;
> }
>
>
> for that, i setup an Android.bp file in the subfolder "fuzz" i created.
>
> cc_fuzz {
> name: "sonic_fuzz",
> host_supported: false,
> srcs: [
> "sonic_fuzz.cc",
> ],
> shared_libs: [
> "libsonic",
> ],
> cflags: [
> "-g",
> ],
> cpp_std: "c++98",
> }
>
> and after i tried to build it, i get:
>
> ld.lld: error: undefined symbol: openInputWaveFile(char*, int*, int*)
> >>> referenced by sonic_fuzz.cc:16 (external/sonic/fuzz/sonic_fuzz.cc:16)
> >>> out/soong/.intermediates/external/sonic/fuzz/sonic_fuzz/
> android_arm64_armv8-a_cortex-a73_hwasan_fuzzer/obj/external/sonic/fuzz/
> sonic_fuzz.o:(LLVMFuzzerTestOneInput)
>
> ld.lld: error: undefined symbol: readFromWaveFile(waveFileStruct*, short*,
> int)
> >>> referenced by sonic_fuzz.cc:18 (external/sonic/fuzz/sonic_fuzz.cc:18)
> >>> out/soong/.intermediates/external/sonic/fuzz/sonic_fuzz/
> android_arm64_armv8-a_cortex-a73_hwasan_fuzzer/obj/external/sonic/fuzz/
> sonic_fuzz.o:(LLVMFuzzerTestOneInput)
> clang-10: error: linker command failed with exit code 1 (use -v to see
> invocation)
> 23:28:40 ninja failed with: exit status 1
>
> failed to build some targets (13:07 (mm:ss))
>
> do i need to include some path for the sonic library in the Android.bp
> file or something?
>
> Thanks for your help
> Hannes
>
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