From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Sirringhaus <msirringhaus@suse.de>
Date: Tue, 21 May 2019 18:26:48 +0300
Subject: [PATCH] mozilla-s390-context.patch

---
 js/src/wasm/WasmSignalHandlers.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
index d5cbd731bfb1bd8c3ef0c9fcfe8bf7afeb2b33c3..0f7a8be419f3f37b3e6f4c70d10b32031033bbae 100644
--- a/js/src/wasm/WasmSignalHandlers.cpp
+++ b/js/src/wasm/WasmSignalHandlers.cpp
@@ -171,6 +171,10 @@ using namespace js::wasm;
 #      define FP_sig(p) ((p)->uc_mcontext.gregs[REG_FPRS])
 #      define SP_sig(p) ((p)->uc_mcontext.gregs[REG_SP])
 #    endif
+#  if defined(__linux__) && defined(__s390x__)
+#    define GR_sig(p,x) ((p)->uc_mcontext.gregs[x])
+#    define PSWa_sig(p) ((p)->uc_mcontext.psw.addr)
+#  endif
 #  elif defined(__NetBSD__)
 #    define EIP_sig(p) ((p)->uc_mcontext.__gregs[_REG_EIP])
 #    define EBP_sig(p) ((p)->uc_mcontext.__gregs[_REG_EBP])
@@ -418,6 +422,10 @@ struct macos_aarch64_context {
 #    define FP_sig(p) RFP_sig(p)
 #    define SP_sig(p) R02_sig(p)
 #    define LR_sig(p) RRA_sig(p)
+#  elif defined(__s390x__)
+#    define PC_sig(p) PSWa_sig(p)
+#    define SP_sig(p) GR_sig(p, 15)
+#    define FP_sig(p) GR_sig(p, 11)
 #  endif
 
 static void SetContextPC(CONTEXT* context, uint8_t* pc) {