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diff --git a/linux-user/host/ppc/host-signal.h b/linux-user/host/ppc/host-signal.h
index 1d8e658..6ba11fc 100644
--- a/linux-user/host/ppc/host-signal.h
+++ b/linux-user/host/ppc/host-signal.h
@@ -13,18 +13,31 @@
static inline uintptr_t host_signal_pc(ucontext_t *uc)
{
+#if defined(__linux__) && !(defined (__GLIBC__) || defined(__UCLIBC__)) // musl libc
+ return uc->uc_mcontext.gp_regs[32];
+#else
return uc->uc_mcontext.regs->nip;
+#endif
}
static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
{
+#if defined(__linux__) && !(defined (__GLIBC__) || defined(__UCLIBC__)) // musl libc
+ uc->uc_mcontext.gp_regs[32] = pc;
+#else
uc->uc_mcontext.regs->nip = pc;
+#endif
}
static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
{
+#if defined(__linux__) && !(defined (__GLIBC__) || defined(__UCLIBC__)) // musl libc
+ return uc->uc_mcontext.gp_regs[40] != 0x400
+ && (uc->uc_mcontext.gp_regs[42] & 0x02000000);
+#else
return uc->uc_mcontext.regs->trap != 0x400
&& (uc->uc_mcontext.regs->dsisr & 0x02000000);
+#endif
}
#endif
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