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Disassembly helpers
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| alias diff="diff -u --color=always" | |
| disas() { | |
| objdump --disassemble --no-show-raw-insn --visualize-jumps=color --disassembler-color=color $@ | less | |
| } | |
| disas-fn() { | |
| SYMBOL=$1 | |
| shift | |
| objdump --disassemble=$SYMBOL --no-show-raw-insn --visualize-jumps=color --disassembler-color=color $@ | less | |
| } | |
| disas-strip() { | |
| objdump --disassemble --no-addresses --no-show-raw-insn --disassembler-color=color $@ | strip-hex-from-disas | |
| } | |
| disas-diff() { | |
| diff --show-function-line="^<" <(disas-strip $1) <(disas-strip $2) | less | |
| } |
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| #!/usr/bin/sed -f | |
| # Eliminate nop padding | |
| /nop[lw]/d | |
| # Strip control characters from the middle of hex literals. | |
| s/0x\x1b\[0m\x1b\[35m/0x/g | |
| # Obfuscate hex literals. | |
| s/0x[0-9a-f]*/0x[HEX]/g | |
| s/[0-9a-f]* </[HEX] </g | |
| # Obfuscate ThinLTO hashes. | |
| s/llvm\.[0-9]*/llvm.[HASH]/g | |
| # Obfuscate register choices. | |
| s/%rsp/%sp/g | |
| s/%r[[:alnum:]]*/%r/g | |
| s/%e[[:alnum:]]*/%e/g | |
| s/%[[:alpha:]]*l/%l/g | |
| s/%xmm[0-9]*/%xmm/g |
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