[Mono-dev] Mono 2.6 / AOT on Windows with Cygwin 1.7

[Dan Shechter]

Hi all,
I'm trying to compile some simple SIMD examples (the one miguel posted
a while back)
using AOT on Mono on Windows.

I have cygwin 1.7 installed, and therefore, as --version looks like this:
$ as --version
GNU assembler (GNU Binutils) 2.19.51.20090704
Copyright 2008 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `i686-cygwin'.

When I try to aot compile simple.cs:
/c/dev/Mono/bin/mono --aot simple1.exe

I get:
Mono Ahead of Time compiler - compiling assembly
C:\temp\simd-tests-1\simple1.exe
Code: 3473 Info: 67 Ex Info: 79 Unwind Info: 54 Class Info: 173 PLT:
15 GOT Info: 247 GOT Info Off
Executing the native assembler: as  C:\TEMP\mono_aot_MWK34U -o
C:\TEMP\mono_aot_MWK34U.o
cygwin warning:
  MS-DOS style path detected: C:\TEMP\mono_aot_MWK34U.o
  Preferred POSIX equivalent is: /c/TEMP/mono_aot_MWK34U.o
  CYGWIN environment variable option "nodosfilewarning" turns off this warning.
  Consult the user's guide for more details about POSIX paths:
    http://cygwin.com/cygwin-ug-net/using.html#using-pathnames
C:\TEMP\mono_aot_MWK34U: Assembler messages:
C:\TEMP\mono_aot_MWK34U:168: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:187: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:187: Error: junk at end of line, first
unrecognized character is `P'
C:\TEMP\mono_aot_MWK34U:193: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:204: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:204: Error: junk at end of line, first
unrecognized character is `P'
C:\TEMP\mono_aot_MWK34U:210: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:218: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:218: Error: junk at end of line, first
unrecognized character is `P'
C:\TEMP\mono_aot_MWK34U:224: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:235: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:235: Error: junk at end of line, first
unrecognized character is `F'
C:\TEMP\mono_aot_MWK34U:241: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:251: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:251: Error: junk at end of line, first
unrecognized character is `F'
C:\TEMP\mono_aot_MWK34U:257: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:263: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:263: Error: junk at end of line, first
unrecognized character is `I'
C:\TEMP\mono_aot_MWK34U:269: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:275: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:275: Error: junk at end of line, first
unrecognized character is `E'
C:\TEMP\mono_aot_MWK34U:281: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:292: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:292: Error: junk at end of line, first
unrecognized character is `E'
C:\TEMP\mono_aot_MWK34U:298: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:304: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:304: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:310: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:336: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:336: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:342: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:358: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:358: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:364: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:383: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:383: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:389: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:447: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:447: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:453: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:459: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:459: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:465: Error: unknown pseudo-op: `.local'
C:\TEMP\mono_aot_MWK34U:471: Warning: .size pseudo-op used outside of
.def/.endef ignored.
C:\TEMP\mono_aot_MWK34U:471: Error: junk at end of line, first
unrecognized character is `R'
C:\TEMP\mono_aot_MWK34U:477: Error: unknown pseudo-op: `.local'
...........

I've attached the generated temporary .s file in case this is useful

Is there anything I'm doing that wrong here, or do I need another
binutils version ?
While on the subject, I think it would be nice to package mono with
it's own stable / working binutils, so that
people using mono on windows won't need to start dealing with cygwin /
binutils / paths / environment...
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