Add support for `-arch arch_type` (#10)

This is identical to -A except that it uses the name of the arch not the
values of the CPU_TYPE/CPU_SUBTYPE.

This makes ldid more compatible with Apple's CC tools where this flag is used extensively.

Co-authored-by: Nick Chan <towinchenmi@gmail.com>

1 files changed, 13 insertions, 2 deletions

diff --git a/docs/ldid.1 b/docs/ldid.1
index 02170e1..41b1bc5 100644
--- a/docs/ldid.1
+++ b/docs/ldid.1
@@ -28,14 +28,13 @@
 .Op Fl r | Fl S Ns Ar file.xml | Fl s
 .Op Fl T Ns Ar timestamp
 .Op Fl u
+.Op Fl arch Ar arch_type
 .Ar
 .Sh DESCRIPTION
 .Nm
 adds SHA1 and SHA256 hashes to a Mach-O file so that they can be run
 on a system that has validation but not signature verification.
 .Bl -tag -width -indent
-.It Fl a
-Print the CPU types and subtypes in hexadecimal.
 .It Fl A Ns Ar cputype : Ns Ar subtype
 When used with
 .Fl a , Fl D , Fl e , Fl h , Fl q ,
@@ -49,6 +48,17 @@ and
 and
 .Ar subtype
 should both be integers.
+.It Fl a
+Print the CPU types and subtypes in hexadecimal.
+.It Fl arch Ar arch_type
+The same as
+.Fl A ,
+except the name of the architecture is used.
+The list of currently known
+.Ar arch_type Ns s
+can be found in
+.Xr arch 3 .
+This is a Procursus extension.
 .It Fl C Ns Op Ar adhoc | Ar enforcement | Ar expires | Ar hard | Ar host | Ar kill | Ar library-validation | Ar restrict | Ar runtime
 Specify the option flags to embed in the code signature.
 See
@@ -131,6 +141,7 @@ the timestamp will be set to a hash of the Mach-O header.
 Use
 .Ar password
 as the password for the p12 certificate instead of prompting.
+This is a Procursus extension.
 .It Fl u
 If the binary was linked against UIKit, then print the UIKit version that the
 Mach-O binaries were linked against.