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Here is a simple sample for how to use the gdb(server/client) tool to debug the bluez daemon process in android environment.

1. On Device

# ps <- To find the bluetoothd pid

# gdbserver :5039 --attach $(bluetoothd pid) &

2. On Host

# cd $(Android SMDK PATH)

# adb kill-server

# adb forward tcp:5039 tcp:5039

# prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-gdb out/target/product/smdkc110/system/bin/bluetoothd

$gdb set solib-absolute-prefix $(Android SMDK PATH)/out/target/product/smdkc110/symbols

$gdb set solib-search-path $(Android SMDK PATH)/out/target/product/smdkc110/symbols/system/lib$:(Android SMDK PATH)/out/target/product/smdkc110/symbols/system/lib/bluez-plugin

$gdb target remote :5039

$gdb b bionic/libc/unistd/abort.c:69

$gdb c

$gdb bt

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