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-rw-r--r--libc/sysdeps/linux/xtensa/bits/setjmp.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/xtensa/bits/setjmp.h b/libc/sysdeps/linux/xtensa/bits/setjmp.h
index 183fa3e64..5d3e5509e 100644
--- a/libc/sysdeps/linux/xtensa/bits/setjmp.h
+++ b/libc/sysdeps/linux/xtensa/bits/setjmp.h
@@ -23,6 +23,7 @@
# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
#endif
+#if defined(__XTENSA_WINDOWED_ABI__)
/* The jmp_buf structure for Xtensa holds the following (where "proc"
is the procedure that calls setjmp): 4-12 registers from the window
of proc, the 4 words from the save area at proc's $sp (in case a
@@ -30,5 +31,13 @@
proc. Everything else is saved on the stack in the normal save areas. */
typedef int __jmp_buf[17];
+#elif defined(__XTENSA_CALL0_ABI__)
+/* The jmp_buf structure for Xtensa Call0 ABI holds the return address,
+ the stack pointer and callee-saved registers (a12 - a15). */
+
+typedef int __jmp_buf[6];
+#else
+#error Unsupported Xtensa ABI
+#endif
#endif /* bits/setjmp.h */