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-rw-r--r--include/asm-um/ptrace-x86_64.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-um/ptrace-x86_64.h b/include/asm-um/ptrace-x86_64.h
index 2074483e6ca4..03b4af4ac09a 100644
--- a/include/asm-um/ptrace-x86_64.h
+++ b/include/asm-um/ptrace-x86_64.h
@@ -16,12 +16,15 @@
#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64
+/* Also defined in sysdep/ptrace.h, so may already be defined. */
+#ifndef FS_BASE
#define FS_BASE (21 * sizeof(unsigned long))
#define GS_BASE (22 * sizeof(unsigned long))
#define DS (23 * sizeof(unsigned long))
#define ES (24 * sizeof(unsigned long))
#define FS (25 * sizeof(unsigned long))
#define GS (26 * sizeof(unsigned long))
+#endif
#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs)
#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs)