Things got resolved after moving to older ndk where it supports gcc.
On Mon, Jun 27, 2022, 4:04 AM John Reiser <jrei...@bitwagon.com> wrote: > > Upon moving to next. It landed into another issue. seems it is not easy > to cross compile the valgrind to Android as they mentioned > https://valgrind.org/docs/manual/dist.readme-android.html < > https://valgrind.org/docs/manual/dist.readme-android.html> > > > > Should i need to contact valgrind developers list to support. > > > > ../coregrind/link_tool_exe_linux 0x58000000 > /local/mnt/workspace/Android_ndk/android-ndk-r23c/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android31-clang > -O3 --target=aarch64-linux-android31-clang > > > --gcc-toolchain=/local/mnt/workspace/Android_ndk/android-ndk-r23c/toolchains/llvm/prebuilt/linux-x86_64/bin/ > --sysroot=/local/mnt/workspace/Android_ndk/android-ndk-r23c/toolchains/llvm/prebuilt/linux-x86_64/sysroot > -o memcheck-arm-linux -m32 -O2 -g -Wall -Wmissing-prototypes -Wshadow > > -Wpointer-arith -Wstrict-prototypes -Wmissing-declarations -Wcast-qual > -Wwrite-strings -Wempty-body -Wformat -Wformat-security > -Wignored-qualifiers -Wenum-conversion -finline-functions > -fno-stack-protector -fno-strict-aliasing -fno-builtin -Wno-cast-align > -Wno-self-assign -Wno-tautological-compare > > -marm -mcpu=cortex-a8 -O2 -static -nodefaultlibs -nostartfiles -u > _start -m32 -Wl,-z,noexecstack memcheck_arm_linux-mc_leakcheck.o > memcheck_arm_linux-mc_malloc_wrappers.o memcheck_arm_linux-mc_main.o > memcheck_arm_linux-mc_main_asm.o memcheck_arm_linux-mc_translate.o > > memcheck_arm_linux-mc_machine.o memcheck_arm_linux-mc_errors.o > ../coregrind/libcoregrind-arm-linux.a ../VEX/libvex-arm-linux.a > > ld: error: undefined symbol: __aeabi_uidivmod > > >>> referenced by mc_leakcheck.c:837 > > >>> > memcheck_arm_linux-mc_leakcheck.o:(heuristic_reachedness) > > >>> referenced by m_execontext.c:346 > > >>> > libcoregrind_arm_linux_a-m_execontext.o:(record_ExeContext_wrk2) in archive > ../coregrind/libcoregrind-arm-linux.a > > >>> referenced by m_execontext.c:346 > > >>> > libcoregrind_arm_linux_a-m_execontext.o:(record_ExeContext_wrk2) in archive > ../coregrind/libcoregrind-arm-linux.a > > >>> referenced 11 more times > > > [[snip]] > > You should contact whoever supports aarch64-linux-android31-clang and > complaln > that their linker step for static linking forgets to reference a static > library > that contains __aeabi_uidivmod, __aeabi_d2ulz, __aeabi_ul2d, > __aeabi_uldivmod, > __aeabi_uidiv, __aeabi_idiv, __aeabi_idivmod, and __aeabi_ldivmod . > > I found them in: > ----- > $ nm -gop --defined-only $(find . -name '*.a' 2>/dev/null) | grep > __aeabi_uidivmod > ./Android/Sdk/build-tools/32.0.0/renderscript/lib/intermediates/armeabi-v7a/libcompiler_rt.a:aeabi_uidivmod.o:00000000 > T __aeabi_uidivmod > ./Android/Sdk/build-tools/32.1.0-rc1/renderscript/lib/intermediates/armeabi-v7a/libcompiler_rt.a:aeabi_uidivmod.o:00000000 > T __aeabi_uidivmod > ./Android/Sdk/build-tools/30.0.3/renderscript/lib/intermediates/armeabi-v7a/libcompiler_rt.a:aeabi_uidivmod.o:00000000 > T __aeabi_uidivmod > $ > ----- > and similarly for the other undefined symbols. > > Therefore a workaround is to append explicit names for the files that > contain > those runtime symbols that you desire. > > The hint on how to investigate this problem is in > valgrind/coregrind/link_tool_exe_linux > which is a well-documented perl script that contains > ----- > # So: what we actually do: > # > # pass the specified command to the linker as-is, except, ... > > my $cmd = join(" ", @ARGV, "-static -Wl,-Ttext-segment=$ala"); > > #print "link_tool_exe_linux: $cmd\n"; > > > # Execute the command: > my $r = system($cmd); > ----- > which shows that aarch64-linux-android31-clang is at fault when static > linking. > (Forgetting the case of static linking is a common error in cross-building > systems.) > > > _______________________________________________ > Valgrind-users mailing list > Valgrind-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/valgrind-users >
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