[PATCH 09/10] proc: Add support for AArch64 in uname

[Sergey Bugaev]

Since no CPU subtypes are defined for CPU_TYPE_ARM64, just report the
type, same as for x86_64.

Sample uname(2) output:

sysname: GNU
release: 0.9
version: GNU-Mach 1.8/Hurd-0.9
machine: aarch64
---
 proc/cpu-types.c | 3 +++
 proc/host.c      | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/proc/cpu-types.c b/proc/cpu-types.c
index 3d89d5a7..41af0888 100644
--- a/proc/cpu-types.c
+++ b/proc/cpu-types.c
@@ -35,6 +35,9 @@ const char *const mach_cpu_types[] =
 #endif
 #ifdef CPU_TYPE_X86_64
     [CPU_TYPE_X86_64] = "x86_64",
+#endif
+#ifdef CPU_TYPE_ARM64
+    [CPU_TYPE_ARM64] = "aarch64",
 #endif
   };
 
diff --git a/proc/host.c b/proc/host.c
index 0197fecf..e0aff20a 100644
--- a/proc/host.c
+++ b/proc/host.c
@@ -355,11 +355,11 @@ initialize_version_info (void)
   assert_backtrace (! err);
   snprintf (uname_info.machine, sizeof uname_info.machine,
            "%s"
-#ifndef __x86_64__
+#if !defined (__x86_64__) && !defined (__aarch64__)
            "-%s"
 #endif
            , mach_cpu_types[info.cpu_type]
-#ifndef __x86_64__
+#if !defined (__x86_64__) && !defined (__aarch64__)
            , mach_cpu_subtypes[info.cpu_type][info.cpu_subtype]
 #endif
            );
-- 
2.44.0