43 lines
1.3 KiB
Bash
Executable file
43 lines
1.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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SYMBOL=$1
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if [ -z "$SYMBOL" ]; then
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echo "Usage: $0 <symbol>"
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exit 1
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fi
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echo "Searching for symbol: '$SYMBOL'"
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ADDR=$(riscv64-unknown-elf-objdump -t *.elf | grep $SYMBOL | awk '{print "0x"$1}')
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if [ -z "$ADDR" ]; then
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echo "Error: Symbol '$SYMBOL' not found in the object file."
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exit 1
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fi
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if ! [[ $ADDR =~ ^0x[0-9a-fA-F]+$ ]]; then
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echo "Error: Address must be in hexadecimal format (e.g., 0x20000000)."
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exit 1
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fi
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echo "Reading $SYMBOL@$ADDR"
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commands=" -s 0x10 0x80000001" # Make the debug module work properly.
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commands+=" -s 0x20 0xc02a717d" # add sp,sp,-16; sw a0,0(sp)
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commands+=" -s 0x21 0xc432c22e" # sw a1,4(sp); sw a2,8(sp)
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commands+=" -s 0x22 0xe0000637" # lui a2,0xe0000
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commands+=" -s 0x23 0x0f460613" # add a2,a2,244 # e00000f4 <data0>
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commands+=" -s 0x24 0x410c4208" # lw a0,0(a2); lw a1,0(a0)
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commands+=" -s 0x25 0x4502c20c" # sw a1,0(a2); lw a0,0(sp)
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commands+=" -s 0x26 0x46224592" # lw a1,4(sp); lw a2,8(sp)
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commands+=" -s 0x27 0x90026141" # add sp,sp,16; ebreak
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commands+=" -s 0x04 $ADDR" # Write address 0x20000000 to DATA0
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commands+=" -s 0x17 0x00270000" # Abstact cmd exec progbuf
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commands+=" -m 0x16" # Read ABSTRACTCS
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commands+=" -m 0x04" # Read DATA0
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commands+=" -s 0x10 0x40000001" # Resume(1<<30) without reset(1<<0)
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echo $commands | nc localhost 4444
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