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Diffstat (limited to 'gcc/config/mips/iris6.h')
-rw-r--r--gcc/config/mips/iris6.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/mips/iris6.h b/gcc/config/mips/iris6.h
index ff051255c9c..b64d371b8f3 100644
--- a/gcc/config/mips/iris6.h
+++ b/gcc/config/mips/iris6.h
@@ -38,6 +38,11 @@ Boston, MA 02111-1307, USA. */
compiling -g. This guarantees that we can unwind the stack. */
#define DWARF2_FRAME_INFO 1
+/* The system unwinder in libexc requires a specific dwarf return address
+ column to work. */
+#undef DWARF_FRAME_RETURN_COLUMN
+#define DWARF_FRAME_RETURN_COLUMN (FP_REG_LAST + 1)
+
#undef MACHINE_TYPE
#define MACHINE_TYPE "SGI running IRIX 6.x"