From 3d70da77c4b1d7f907e876b912375f0e7ffa02ee Mon Sep 17 00:00:00 2001
From: Martin Stransky <stransky@redhat.com>
Date: Fri, 27 Apr 2018 09:11:21 +0200
Subject: [PATCH] Arm build fix

---
 ...fix-mozillaSignalTrampoline-to-work-.patch | 19 +++++++++++++++++++
 firefox.spec                                  |  5 ++++-
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch

diff --git a/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch b/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
new file mode 100644
index 0000000..70e45ff
--- /dev/null
+++ b/Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
@@ -0,0 +1,19 @@
+diff -up firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661 firefox-60.0/mfbt/LinuxSignal.h
+--- firefox-60.0/mfbt/LinuxSignal.h.mozilla-1238661	2018-04-27 08:55:38.848241768 +0200
++++ firefox-60.0/mfbt/LinuxSignal.h	2018-04-27 09:06:47.946769859 +0200
+@@ -25,10 +25,13 @@ SignalTrampoline(int aSignal, siginfo_t*
+     "nop; nop; nop; nop"
+     : : : "memory");
+ 
++  // Because the assembler may generate additional insturctions below, we
++  // need to ensure NOPs are inserted first by separating them out above.
++
+   asm volatile (
+-    "b %0"
++    "bx %0"
+     :
+-    : "X"(H)
++    : "r"(H), "l"(aSignal), "l"(aInfo), "l"(aContext)
+     : "memory");
+ }
+ 
diff --git a/firefox.spec b/firefox.spec
index 46b55e9..b092dc5 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -152,6 +152,7 @@ Patch411:        mozilla-1321521-2.patch
 Patch412:        mozilla-1337988.patch
 Patch413:        mozilla-1353817.patch
 Patch414:        mozilla-1435212-ffmpeg-4.0.patch
+Patch415:        Bug-1238661---fix-mozillaSignalTrampoline-to-work-.patch
 
 # Debian patches
 Patch500:        mozilla-440908.patch
@@ -300,7 +301,6 @@ This package contains results of tests executed during build.
 %endif
 %patch37 -p1 -b .jit-atomic-lucky
 %patch40 -p1 -b .aarch64-skia
-
 %patch3  -p1 -b .arm
 
 # Fedora patches
@@ -318,6 +318,9 @@ This package contains results of tests executed during build.
 %patch406 -p1 -b .256180
 %patch413 -p1 -b .1353817
 %patch414 -p1 -b .ffmpeg-4.0
+%ifarch %{arm}
+%patch415 -p1 -b .mozilla-1238661
+%endif
 
 # Patch for big endian platforms only
 %if 0%{?big_endian}