From b03cb1e329bdf134ac70266813f502d31f019ab5 Mon Sep 17 00:00:00 2001
From: Than Ngo <than@redhat.com>
Date: Mon, 6 Jul 2015 22:37:27 +0200
Subject: [PATCH] backport from upstream to fix handling of lo64 on big endian
 systems

---
 mono-4.0.2-s390x.patch | 19 +++++++++++++++++++
 mono.spec              |  5 +++++
 2 files changed, 24 insertions(+)
 create mode 100644 mono-4.0.2-s390x.patch

diff --git a/mono-4.0.2-s390x.patch b/mono-4.0.2-s390x.patch
new file mode 100644
index 0000000..06b81bb
--- /dev/null
+++ b/mono-4.0.2-s390x.patch
@@ -0,0 +1,19 @@
+diff -up mono-4.0.2/mono/metadata/decimal-ms.c.than mono-4.0.2/mono/metadata/decimal-ms.c
+--- mono-4.0.2/mono/metadata/decimal-ms.c.than	2015-07-06 08:21:27.524461795 -0400
++++ mono-4.0.2/mono/metadata/decimal-ms.c	2015-07-06 08:30:26.954461795 -0400
+@@ -55,8 +55,13 @@ static const uint32_t ten_to_ten_div_4 =
+ #define DECIMAL_LO32(dec)        ((dec).v.v.Lo32)
+ #define DECIMAL_MID32(dec)       ((dec).v.v.Mid32)
+ #define DECIMAL_HI32(dec)        ((dec).Hi32)
+-#define DECIMAL_LO64_GET(dec)    ((dec).v.Lo64)
+-#define DECIMAL_LO64_SET(dec,value)   {(dec).v.Lo64 = value; }
++#if G_BYTE_ORDER != G_LITTLE_ENDIAN
++# define DECIMAL_LO64_GET(dec)   (((uint64_t)((dec).v.v.Mid32) << 32) | (dec).v.v.Lo32)
++# define DECIMAL_LO64_SET(dec,value)   {(dec).v.v.Lo32 = (value); (dec).v.v.Mid32 = ((value) >> 32); }
++#else
++# define DECIMAL_LO64_GET(dec)    ((dec).v.Lo64)
++# define DECIMAL_LO64_SET(dec,value)   {(dec).v.Lo64 = value; }
++#endif
+ 
+ #define DECIMAL_SETZERO(dec) {DECIMAL_LO32(dec) = 0; DECIMAL_MID32(dec) = 0; DECIMAL_HI32(dec) = 0; DECIMAL_SIGNSCALE(dec) = 0;}
+ #define COPYDEC(dest, src) {DECIMAL_SIGNSCALE(dest) = DECIMAL_SIGNSCALE(src); DECIMAL_HI32(dest) = DECIMAL_HI32(src); \
diff --git a/mono.spec b/mono.spec
index 45edb63..0e2aeb6 100644
--- a/mono.spec
+++ b/mono.spec
@@ -30,6 +30,7 @@ Source0:        http://download.mono-project.com/sources/mono/mono-%{version}.5.
 # You should not regenerate this unless you have a really, really, really good reason.
 Source1:        mono.snk
 Patch0:         mono-4.0.0-ignore-reference-assemblies.patch
+Patch1:         mono-4.0.2-s390x.patch
 
 BuildRequires:  bison
 BuildRequires:  gcc-c++
@@ -296,6 +297,7 @@ Development file for monodoc
 %prep
 %setup -q -n %{name}-%{version}
 %patch0 -p1
+%patch1 -p1
 
 # modifications for Mono 4
 sed -i "s#mono/2.0#mono/4.5#g" data/mono-nunit.pc.in
@@ -770,6 +772,9 @@ rm -rf %{buildroot}%{_mandir}/man?/mono-configuration-crypto*
 %{_libdir}/pkgconfig/monodoc.pc
 
 %changelog
+* Mon Jul 06 2015 Than Ngo <than@redhat.com> 4.0.2-3
+- backport from upstream to fix handling of lo64 on big endian systems
+
 * Thu Jul 02 2015  Timotheus Pokorra <timotheus.pokorra@solidcharity.com> - 4.0.2-2
 - Update to 4.0.2.5 (4.0.2 SR 2)