Zonr Chang | 3c250c5 | 2010-10-07 12:19:23 +0800 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | import os, sys |
| 4 | |
| 5 | def print_header(var_name): |
| 6 | sys.stdout.write(""" |
| 7 | #ifdef __APPLE_CC__ |
| 8 | /*\n\ |
| 9 | * The mid-2007 version of gcc that ships with Macs requires a\n\ |
| 10 | * comma on the .section line, but the rest of the world thinks\n\ |
| 11 | * that's a syntax error. It also wants globals to be explicitly\n\ |
| 12 | * prefixed with \"_\" as opposed to modern gccs that do the\n\ |
| 13 | * prefixing for you.\n\ |
| 14 | */\n\ |
| 15 | .globl _%s\n\ |
| 16 | .section .rodata,\n\ |
| 17 | .align 8\n\ |
| 18 | _%s:\n\ |
| 19 | #else\n\ |
| 20 | .globl %s\n\ |
| 21 | .section .rodata\n\ |
| 22 | .align 8\n\ |
| 23 | %s:\n\ |
| 24 | #endif\n\ |
| 25 | """ % (var_name, var_name, var_name, var_name)) |
| 26 | |
| 27 | def file2asm(var_name): |
| 28 | print_header(var_name) |
| 29 | |
| 30 | input_size = 0 |
| 31 | col = 0 |
| 32 | while True: |
| 33 | buf = sys.stdin.read(1024) |
| 34 | if len(buf) <= 0: |
| 35 | break |
| 36 | input_size += len(buf) |
| 37 | for c in buf: |
| 38 | if col == 0: |
| 39 | sys.stdout.write(".byte ") |
| 40 | sys.stdout.write("0x%02x" % ord(c)) |
| 41 | col += 1 |
| 42 | if col == 16: |
| 43 | sys.stdout.write("\n") |
| 44 | col = 0 |
| 45 | elif col % 4 == 0: |
| 46 | sys.stdout.write(", ") |
| 47 | else: |
| 48 | sys.stdout.write(",") |
| 49 | # always ends with 0x0 (can fix assembler warnings) |
| 50 | if col != 0: |
| 51 | sys.stdout.write("0x00") |
| 52 | sys.stdout.write("\n") |
| 53 | |
| 54 | # encode file size |
| 55 | print_header(var_name + "_size") |
| 56 | sys.stdout.write(" .long %d\n" % input_size) |
| 57 | |
| 58 | def main(argv): |
| 59 | if len(argv) < 2: |
| 60 | print "usage: %s <name>" % argv[0] |
| 61 | return 1 |
| 62 | |
| 63 | file2asm(argv[1]) |
| 64 | |
| 65 | if __name__ == '__main__': |
| 66 | main(sys.argv) |