MozillaFirefox/mozilla-s390-context.patch

# HG changeset patch
# User msirringhaus@suse.de
# Date 1558452408 -7200
#      Tue May 21 17:26:48 2019 +0200
# Node ID 602e92722e765a3c238d3b96b26c0c8063b5eeb4
# Parent  783ceb006fcdabe5ad23bd561362e721c7ed5f8c
[mq]: mozilla-s390-context.patch

diff --git a/js/src/wasm/WasmSignalHandlers.cpp b/js/src/wasm/WasmSignalHandlers.cpp
--- a/js/src/wasm/WasmSignalHandlers.cpp
+++ b/js/src/wasm/WasmSignalHandlers.cpp
@@ -174,6 +174,10 @@ using mozilla::DebugOnly;
 #      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])
@@ -416,6 +420,10 @@ struct macos_aarch64_context {
 #    define FP_sig(p) RFP_sig(p)
 #    define SP_sig(p) R03_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)
 #  elif defined(__riscv)
 #    define PC_sig(p) RPC_sig(p)
 #    define FP_sig(p) RFP_sig(p)