18 lines
580 B
Bash
18 lines
580 B
Bash
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#
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# Utility to disassemble a specific function.
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# Usage:
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# ./disasm-func.sh ../build/wasm3 i32_Divide_sr
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#
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FILE="$1"
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FUNC="$2"
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# get starting address and size of function fact from nm
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ADDR=$(nm --print-size --radix=d $FILE | grep $FUNC | cut -d ' ' -f 1,2)
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# strip leading 0's to avoid being interpreted by objdump as octal addresses
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STARTADDR=$(echo $ADDR | cut -d ' ' -f 1 | sed 's/^0*\(.\)/\1/')
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SIZE=$(echo $ADDR | cut -d ' ' -f 2 | sed 's/^0*//')
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STOPADDR=$(( $STARTADDR + $SIZE ))
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objdump --disassemble $FILE --start-address=$STARTADDR --stop-address=$STOPADDR -M suffix
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