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Diffstat (limited to 'sysdeps/i386/bits/setjmp.h')
-rw-r--r--sysdeps/i386/bits/setjmp.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/i386/bits/setjmp.h b/sysdeps/i386/bits/setjmp.h
new file mode 100644
index 0000000000..0c03073b36
--- /dev/null
+++ b/sysdeps/i386/bits/setjmp.h
@@ -0,0 +1,19 @@
+/* Define the machine-dependent type `jmp_buf'. Intel 386 version. */
+
+#if defined (__USE_MISC) || defined (_ASM)
+#define JB_BX 0
+#define JB_SI 1
+#define JB_DI 2
+#define JB_BP 3
+#define JB_SP 4
+#define JB_PC 5
+#endif
+
+#ifndef _ASM
+typedef int __jmp_buf[6];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((int) (address) < (jmpbuf)[JB_SP])