1 files changed, 27 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/x86/regname.c b/src/third_party/unwind/dist/src/x86/regname.c
new file mode 100644
index 00000000000..11f62280413
--- /dev/null
+++ b/src/third_party/unwind/dist/src/x86/regname.c
@@ -0,0 +1,27 @@
+#include "unwind_i.h"
+
+static const char *regname[] =
+  {
+    "eax", "edx", "ecx", "ebx", "esi", "edi", "ebp", "esp", "eip",
+    "eflags", "trapno",
+    "st0", "st1", "st2", "st3", "st4", "st5", "st6", "st7",
+    "fcw", "fsw", "ftw", "fop", "fcs", "fip", "fea", "fds",
+    "xmm0_lo", "xmm0_hi", "xmm1_lo", "xmm1_hi",
+    "xmm2_lo", "xmm2_hi", "xmm3_lo", "xmm3_hi",
+    "xmm4_lo", "xmm4_hi", "xmm5_lo", "xmm5_hi",
+    "xmm6_lo", "xmm6_hi", "xmm7_lo", "xmm7_hi",
+    "mxcsr",
+    "gs", "fs", "es", "ds", "ss", "cs",
+    "tss", "ldt",
+    "cfi",
+    "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
+  };
+
+const char *
+unw_regname (unw_regnum_t reg)
+{
+  if (reg < (unw_regnum_t) ARRAY_SIZE (regname))
+    return regname[reg];
+  else
+    return "???";
+}