#!/bin/sh
# Convert an asm source file to gdb commands.
# Useful for loading small programs in gdbinit scripts.

case "$#" in
2)	;;
3)	ARCH=$1-
	shift
	;;
*)	echo "Usage: $0 [arch] file address" >&2
	exit 1
	;;
esac

INPUT=$1
ADDR=$2

${ARCH}gcc -nostartfiles -nostdlib -Wl,-Ttext=$ADDR -o /tmp/asm2gdb.elf $INPUT || exit 1
${ARCH}objcopy -O binary /tmp/asm2gdb.elf /tmp/asm2gdb.bin || exit 1
od -Ad -tx4 -w4 -v /tmp/asm2gdb.bin | awk "{ if (NF == 2) printf \"set *((unsigned long *) 0x%08x\1) = 0x%s\\n\", $ADDR + \$1, \$2 }"
echo "set \$pc = $ADDR"