Get assembly from source file easily.

get_asm.sh

#!/bin/bash

# Needed variables
OBJFILE_PATH="/tmp/asm.o"
SCRIPT_NAME=$(basename $0)
ASSEMBLY_DEFAULT="AT&T"
CFLAGS_DEFAULT="-g"

# Help message
function disp_help()
{
  echo "Usage: $SCRIPT_NAME [FILE] [CFLAGS] [ASSEMBLY]"
  echo "Compile FILE with CFLAGS and displays the assembly using ASSEMBLY syntax."
  echo "CFLAGS is, by default, $CFLAGS_DEFAULT."
  echo "ASSEMBLY is, by default, $ASSEMBLY_DEFAULT."
  echo "Example: $SCRIPT_NAME file.c \"-Iinclude/ -Wall -Wextra\" \"intel\""
}

# Basic args handling
if [ -z $1 ]; then
  echo -e "Usage: $SCRIPT_NAME [FILE] [CFLAGS] [ASSEMBLY]"
  echo "Try '$SCRIPT_NAME --help' for more informations."
  exit 1
else
  if [ $1 = "--help" ] || [ $1 = "-h" ]; then
    disp_help
    exit 0
  elif [ ! -f $1 ]; then
    echo "File not found. Check path."
    exit 1
  fi
fi

# Compiling
if [ -z $2 ]; then
  gcc $CFLAGS_DEFAULT -c $1 -o $OBJFILE_PATH
else
  gcc $CFLAGS_DEFAULT $2 -c $1 -o $OBJFILE_PATH
fi

# Objdump
if [ $? -eq 0 ]; then
  if [ -z $3 ]; then
    objdump -d -M $ASSEMBLY_DEFAULT -S $OBJFILE_PATH
  else
    objdump -d -M $3 -S $OBJFILE_PATH
  fi
else
  echo -e "\nCompile error."
  exit 1
fi