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LDFLAGS?=
FORMAT?=elf64
CODE?=examples/shell64.asm
GREP=00|0a
.PHONY: all elf disas
# Format bytecode as an escaped string, highlight bad bytes
all: code.bin
@xxd -i -c 16 <code.bin \
| sed 's/,//g;s/ 0/\\/g;s/^ */"/g;s/$$/"/g' \
| grep --color=always -E '$(GREP)|$$'
elf: code.o
ld $(LDFLAGS) code.o -o code.elf
disas: code.o
@objdump -d code.o \
| grep --color=always -E '$(GREP)|$$'
code.bin: code.o
objcopy -O binary code.o code.bin
code.o: code.asm
nasm -f '$(FORMAT)' code.asm -o code.o
code.asm:
cp '$(CODE)' code.asm
# -melf_i386
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