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ARMv7 exception helper
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define armex | |
if $lr & 0xd == 0xd | |
printf "Uses PSP 0x%x return.\n", $PSP | |
set $armex_base = $PSP | |
else | |
printf "Uses MSP 0x%x return.\n", $MSP | |
set $armex_base = $MSP | |
end | |
printf "xPSR 0x%x\n", *($armex_base+28) | |
printf "ReturnAddress 0x%x\n", *($armex_base+24) | |
printf "LR (R14) 0x%x\n", *($armex_base+20) | |
printf "R12 0x%x\n", *($armex_base+16) | |
printf "R3 0x%x\n", *($armex_base+12) | |
printf "R2 0x%x\n", *($armex_base+8) | |
printf "R1 0x%x\n", *($armex_base+4) | |
printf "R0 0x%x\n", *($armex_base) | |
printf "Return instruction:\n" | |
x/i *($armex_base+24) | |
end | |
document armex | |
ARMv7 Exception entry behavior. | |
xPSR, ReturnAddress, LR (R14), R12, R3, R2, R1, and R0 | |
end |
Author
tralamazza
commented
Jul 2, 2015
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