wrap.sh - mozsearch

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#!/system/bin/sh

# shellcheck shell=ksh

# call getprop before setting LD_PRELOAD

os_version=$(getprop ro.build.version.sdk)

# These options mirror those in mozglue/build/AsanOptions.cpp

# except for fast_unwind_* which are only needed on Android

options=(

  allow_user_segv_handler=1

  alloc_dealloc_mismatch=0

  detect_leaks=0

  fast_unwind_on_check=1

  fast_unwind_on_fatal=1

  max_free_fill_size=268435456

  max_malloc_fill_size=268435456

  malloc_fill_byte=228

  free_fill_byte=229

  handle_sigill=1

  allocator_may_return_null=1

if [ -e "/data/local/tmp/asan.options.gecko" ]; then

  options+=("$(tr -d '\n' < /data/local/tmp/asan.options.gecko)")

fi

# : is the usual separator for ASAN options

# save and reset IFS so it doesn't interfere with later commands

old_ifs="$IFS"

IFS=:

ASAN_OPTIONS="${options[*]}"

export ASAN_OPTIONS

IFS="$old_ifs"

LIB_PATH="$(cd "$(dirname "$0")" && pwd)"

LD_PRELOAD="$(ls "$LIB_PATH"/libclang_rt.asan-*-android.so)"

export LD_PRELOAD

cmd="$1"

shift

# enable debugging

# https://developer.android.com/ndk/guides/wrap-script#debugging_when_using_wrapsh

# note that wrap.sh is not supported before android 8.1 (API 27)

if [ "$os_version" -eq "27" ]; then

  args=("-Xrunjdwp:transport=dt_android_adb,suspend=n,server=y" -Xcompiler-option --debuggable)

elif [ "$os_version" -eq "28" ]; then

  args=(-XjdwpProvider:adbconnection "-XjdwpOptions:suspend=n,server=y" -Xcompiler-option --debuggable)

else

  args=(-XjdwpProvider:adbconnection "-XjdwpOptions:suspend=n,server=y")

fi

exec "$cmd" "${args[@]}" "$@"