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#!/usr/bin/env bash
export RUNTIME_PATH=$1
export EXECUTION_DIR=$(dirname "$0")
exitcode_list[0]="Exited Successfully"
exitcode_list[130]="SIGINT Ctrl-C occurred. Likely tests timed out."
exitcode_list[131]="SIGQUIT Ctrl-\ occurred. Core dumped."
exitcode_list[132]="SIGILL Illegal Instruction. Core dumped. Likely codegen issue."
exitcode_list[133]="SIGTRAP Breakpoint hit. Core dumped."
exitcode_list[134]="SIGABRT Abort. Managed or native assert, or runtime check such as heap corruption, caused call to abort(). Core dumped."
exitcode_list[135]="IGBUS Unaligned memory access. Core dumped."
exitcode_list[136]="SIGFPE Bad floating point arguments. Core dumped."
exitcode_list[137]="SIGKILL Killed eg by kill"
exitcode_list[139]="SIGSEGV Illegal memory access. Deref invalid pointer, overrunning buffer, stack overflow etc. Core dumped."
exitcode_list[143]="SIGTERM Terminated. Usually before SIGKILL."
exitcode_list[159]="SIGSYS Bad System Call."
function print_info_from_core_file_using_lldb {
local core_file_name=$1
local executable_name=$2
local plugin_path_name="$RUNTIME_PATH/shared/Microsoft.NETCore.App/9.9.9/libsosplugin.so"
# check for existence of lldb on the path
hash lldb 2>/dev/null || { echo >&2 "lldb was not found. Unable to print core file."; return; }
# pe and clrstack are defined in libsosplugin.so
if [ ! -f $plugin_path_name ]; then
echo $plugin_path_name cannot be found.
return
fi
echo ----- start =============== lldb Output =====================================================
echo Printing managed exceptions and managed call stack.
lldb -O "settings set target.exec-search-paths $RUNTIME_PATH" -o "plugin load $plugin_path_name" -o "clrthreads -managedexception" -o "pe -nested" -o "clrstack -all -a -f" -o "quit" --core $core_file_name $executable_name
echo ----- end =============== lldb Output =======================================================
}
function print_info_from_core_file_using_gdb {
local core_file_name=$1
local executable_name=$2
# Check for the existence of GDB on the path
hash gdb 2>/dev/null || { echo >&2 "GDB was not found. Unable to print core file."; return; }
echo ----- start =============== GDB Output =====================================================
# Open the dump in GDB and print the stack from each thread. We can add more
# commands here if desired.
echo printing native stack.
gdb --batch -ex "thread apply all bt full" -ex "quit" $executable_name $core_file_name
echo ----- end =============== GDB Output =======================================================
}
function print_info_from_core_file {
local core_file_name=$1
local executable_name=$RUNTIME_PATH/$2
if ! [ -e $executable_name ]; then
echo "Unable to find executable $executable_name"
return
elif ! [ -e $core_file_name ]; then
echo "Unable to find core file $core_file_name"
return
fi
echo "Printing info from core file $core_file_name"
print_info_from_core_file_using_gdb $core_file_name $executable_name
print_info_from_core_file_using_lldb $core_file_name $executable_name
}
function copy_core_file_to_temp_location {
local core_file_name=$1
local storage_location="/tmp/coredumps"
# Create the directory (this shouldn't fail even if it already exists).
mkdir -p $storage_location
local new_location=$storage_location/core.$RANDOM
echo "Copying core file $core_file_name to $new_location in case you need it."
cp $core_file_name $new_location
}
if [ "$RUNTIME_PATH" == "" ]
then
echo error: RUNTIME_PATH is not defined. Usage: $0 RUNTIME_PATH
exit -1
fi
# ========================= BEGIN Core File Setup ============================
if [ "$(uname -s)" == "Darwin" ]; then
# On OS X, we will enable core dump generation only if there are no core
# files already in /cores/ at this point. This is being done to prevent
# inadvertently flooding the CI machines with dumps.
if [[ ! -d "/cores" || ! "$(ls -A /cores)" ]]; then
ulimit -c unlimited
fi
elif [ "$(uname -s)" == "Linux" ]; then
# On Linux, we'll enable core file generation unconditionally, and if a dump
# is generated, we will print some useful information from it and delete the
# dump immediately.
if [ -e /proc/self/coredump_filter ]; then
# Include memory in private and shared file-backed mappings in the dump.
# This ensures that we can see disassembly from our shared libraries when
# inspecting the contents of the dump. See 'man core' for details.
echo -n 0x3F > /proc/self/coredump_filter
fi
ulimit -c unlimited
fi
# ========================= END Core File Setup ==============================
# ========================= BEGIN Test Execution =============================
echo ----- start $(date +"%T") =============== To repro directly: =====================================================
echo pushd $EXECUTION_DIR
[[TestRunCommandsEcho]]
echo popd
echo ===========================================================================================================
pushd $EXECUTION_DIR
[[TestRunCommands]]
test_exitcode=$?
popd
echo ----- end $(date +"%T") ----- exit code $test_exitcode ----------------------------------------------------------
if [ "${exitcode_list[$test_exitcode]}" != "" ]; then
echo exit code $test_exitcode means ${exitcode_list[$test_exitcode]}
fi
# ========================= END Test Execution ===============================
# ======================= BEGIN Core File Inspection =========================
pushd $EXECUTION_DIR >/dev/null
if [[ "$(uname -s)" == "Linux" && $test_exitcode -ne 0 ]]; then
echo Looking around for any Linux dump...
# Depending on distro/configuration, the core files may either be named "core"
# or "core.<PID>" by default. We read /proc/sys/kernel/core_uses_pid to
# determine which it is.
core_name_uses_pid=0
if [ -e /proc/sys/kernel/core_uses_pid ] && [ "1" == $(cat /proc/sys/kernel/core_uses_pid) ]; then
core_name_uses_pid=1
fi
if [ $core_name_uses_pid == "1" ]; then
# We don't know what the PID of the process was, so let's look at all core
# files whose name matches core.NUMBER
echo Looking for files matching core.* ...
for f in core.*; do
[[ $f =~ core.[0-9]+ ]] && print_info_from_core_file "$f" "dotnet" && copy_core_file_to_temp_location "$f" && rm "$f"
done
elif [ -f core ]; then
echo found a dump named core in $EXECUTION_DIR !
print_info_from_core_file "core" "dotnet"
copy_core_file_to_temp_location "core"
rm "core"
else
echo ... found no dump in $PWD
fi
fi
popd >/dev/null
# ======================== END Core File Inspection ==========================
exit $test_exitcode
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