On Debian's riscv64 port, this is a log of the build:
https://buildd.debian.org/status/fetch.php?pkg=elfutils&arch=riscv64&ver=0.176-1&stamp=1550335976&raw=0
It failed with:
FAIL: run-backtrace-native.sh
=============================
0x2000000000 0x2000019000 /lib/riscv64-linux-gnu/ld-2.28.so
0x200001a000 0x200001c000 [vdso: 10935]
0x2000022000 0x2000038000 /lib/riscv64-linux-gnu/libpthread-2.28.so
0x200003c000 0x2000146000 /lib/riscv64-linux-gnu/libc-2.28.so
0x2aaaaaa000 0x2aaaaae000 /<<PKGBUILDDIR>>/tests/backtrace-child
TID 10935:
# 0 0x2000031278 raise
TID 10938:
# 0 0x2000031278 raise
/<<PKGBUILDDIR>>/tests/backtrace: dwfl_thread_getframes: No DWARF information
found
/<<PKGBUILDDIR>>/tests/backtrace: dwfl_thread_getframes: No DWARF information
found
backtrace: backtrace.c:81: callback_verify: Assertion `seen_main' failed.
./test-subr.sh: line 84: 10933 Aborted
LD_LIBRARY_PATH="${built_library_path}${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
$VALGRIND_CMD "$@"
backtrace-child: no main
FAIL run-backtrace-native.sh (exit status: 1)
FAIL: run-backtrace-dwarf.sh
============================
0x20000a43c6 raise
/<<PKGBUILDDIR>>/tests/backtrace-dwarf: dwfl_thread_getframes: No DWARF
information found
dwarf: no main
FAIL run-backtrace-dwarf.sh (exit status: 1)
FAIL: run-backtrace-native-core.sh
==================================
0x200001a000 0x200001b000 linux-vdso.so.1
0x2000000000 0x2000019158 ld-linux-riscv64-lp64d.so.1
0x200003c000 0x2000149220 libc.so.6
0x2000022000 0x200003b478 libpthread.so.0
0x2aaaaaa000 0x2aaaaad0d8 backtrace-child
TID 10994:
# 0 0x2000031278 raise
TID 10992:
# 0 0x2000029e20 __GI___pthread_timedjoin_ex
/<<PKGBUILDDIR>>/tests/backtrace: dwfl_thread_getframes: No DWARF information
found
/<<PKGBUILDDIR>>/tests/backtrace: dwfl_thread_getframes: No DWARF information
found
backtrace: backtrace.c:81: callback_verify: Assertion `seen_main' failed.
./test-subr.sh: line 84: 10998 Aborted
LD_LIBRARY_PATH="${built_library_path}${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
$VALGRIND_CMD "$@"
backtrace-child-core.10992: no main
rmdir: failed to remove 'test-10977': Directory not empty
FAIL run-backtrace-native-core.sh (exit status: 1)
Kurt
