--- a/source/Plugins/Process/Linux/Procfs.h
+++ b/source/Plugins/Process/Linux/Procfs.h
@@ -10,6 +10,13 @@
 // sys/procfs.h on Android/Linux for all supported architectures.
 
 #include <sys/ptrace.h>
+#include <asm/ptrace.h>
+
+// on i686 preprocessor symbols with these register names are defined as
+// numeric constants; these symbols clash with identifier names used in
+// `llvm/Support/VirtualFileSystem.h` and `llvm/ADT/SmallVector.h`
+#undef FS
+#undef CS
 
 #include "lldb/lldb-types.h"
 
@@ -17,23 +24,13 @@
 
 #include <vector>
 
-#ifdef __ANDROID__
-#if defined(__arm64__) || defined(__aarch64__)
-typedef unsigned long elf_greg_t;
-typedef elf_greg_t
-    elf_gregset_t[(sizeof(struct user_pt_regs) / sizeof(elf_greg_t))];
-typedef struct user_fpsimd_state elf_fpregset_t;
-#ifndef NT_FPREGSET
-#define NT_FPREGSET NT_PRFPREG
-#endif // NT_FPREGSET
-#elif defined(__mips__)
-#ifndef NT_FPREGSET
-#define NT_FPREGSET NT_PRFPREG
-#endif // NT_FPREGSET
-#endif
-#else // __ANDROID__
+#if !defined(__GLIBC__) && defined(__powerpc__)
+#define pt_regs musl_pt_regs
+#include <sys/procfs.h>
+#undef pt_regs
+#else
 #include <sys/procfs.h>
-#endif // __ANDROID__
+#endif
 
 namespace lldb_private {
 namespace process_linux {