File mozilla-s390-context.patch of Package MozillaThunderbird.11621

# HG changeset patch
# Parent  6512b36b3239a8a7a76fa65788d2e037b1c5dad6

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
@@ -186,16 +186,20 @@ struct AutoSignalHandler {
 #endif
 #if defined(__linux__) && (defined(__ppc64__) || defined(__PPC64__) || \
                            defined(__ppc64le__) || defined(__PPC64LE__))
 // powerpc stack frame pointer (SFP or SP or FP)
 #define R01_sig(p) ((p)->uc_mcontext.gp_regs[1])
 // powerpc next instruction pointer (NIP or PC)
 #define R32_sig(p) ((p)->uc_mcontext.gp_regs[32])
 #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 XMM_sig(p, i) (((struct fxsave64*)(p)->uc_mcontext.__fpregs)->fx_xmm[i])
 #define EIP_sig(p) ((p)->uc_mcontext.__gregs[_REG_EIP])
 #define EBP_sig(p) ((p)->uc_mcontext.__gregs[_REG_EBP])
 #define ESP_sig(p) ((p)->uc_mcontext.__gregs[_REG_ESP])
 #define RIP_sig(p) ((p)->uc_mcontext.__gregs[_REG_RIP])
 #define RAX_sig(p) ((p)->uc_mcontext.__gregs[_REG_RAX])
 #define RCX_sig(p) ((p)->uc_mcontext.__gregs[_REG_RCX])
@@ -449,16 +453,20 @@ struct macos_arm_context {
 #define FP_sig(p) RFP_sig(p)
 #define SP_sig(p) RSP_sig(p)
 #define LR_sig(p) R31_sig(p)
 #elif defined(__ppc64__) || defined(__PPC64__) || defined(__ppc64le__) || \
     defined(__PPC64LE__)
 #define PC_sig(p) R32_sig(p)
 #define SP_sig(p) R01_sig(p)
 #define FP_sig(p) R01_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
 
 #if defined(PC_sig) && defined(FP_sig) && defined(SP_sig)
 #define KNOWS_MACHINE_STATE
 #endif
 
 static uint8_t** ContextToPC(CONTEXT* context) {
 #ifdef KNOWS_MACHINE_STATE