HackRF
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<reg name="r7" bitsize="32" type="uint32"/>
<reg name="r8" bitsize="32" type="uint32"/>
<reg name="r9" bitsize="32" type="uint32"/>
<reg name="r10" bitsize="32" type="uint32"/>
<reg name="r11" bitsize="32" type="uint32"/>
<reg name="r12" bitsize="32" type="uint32"/>
<reg name="sp" bitsize="32" type="data_ptr"/>
<reg name="lr" bitsize="32"/>
<reg name="pc" bitsize="32" type="code_ptr"/>
<reg name="cpsr" bitsize="32" regnum="25"/>
</feature>
<feature name="org.gnu.gdb.arm.fpa">
<reg name="f0" bitsize="96" type="arm_fpa_ext" regnum="16"/>
<reg name="f1" bitsize="96" type="arm_fpa_ext"/>
<reg name="f2" bitsize="96" type="arm_fpa_ext"/>
<reg name="f3" bitsize="96" type="arm_fpa_ext"/>
<reg name="f4" bitsize="96" type="arm_fpa_ext"/>
<reg name="f5" bitsize="96" type="arm_fpa_ext"/>
<reg name="f6" bitsize="96" type="arm_fpa_ext"/>
<reg name="f7" bitsize="96" type="arm_fpa_ext"/>
<reg name="fps" bitsize="32"/>
</feature>
</target>
12.4 Run ARM GDB
Soon, I should dump this stuff into a .gdbinit file.
arm-none-eabi-gdb -n
target extended-remote localhost:3333
set tdesc filename target.xml
monitor reset init
monitor mww 0x40043100 0x10000000
monitor mdw 0x40043100 # Verify 0x0 shadow register is set properly.
file lpc4350-test.axf # This is an ELF file.
load # Place image into RAM.
monitor reset init
break main # Set a breakpoint.
continue # Run to breakpoint.
continue # To continue from the breakpoint.
step # Step-execute the next source line.
stepi # Step-execute the next processor instruction.
info reg # Show processor registers.
More GDB tips for the GDB-unfamiliar:
# Write the variable "buffer" (an array) to file "buffer.u8".
dump binary value buffer.u8 buffer
# Display the first 32 values in buffer whenever you halt
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12.4. Run ARM GDB 39
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