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authorWaldemar Brodkorb <wbx@openadk.org>2017-05-24 20:49:02 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-06-23 23:46:04 +0200
commit041cdc2769407c4d3869b218ad7ee7638e1c306e (patch)
tree1ea25250d74dcb230cf5feee99226fc080dbd678 /libc/sysdeps/linux/sparc64/jmpbuf-unwind.h
parent58a5ba12bffad5916d9897c2870fc483f1db8282 (diff)
sparc64: add basic support
No NPTL, no LDSO support. Bootup with Busybox Ash in Qemu working. Testuite shows only two failures, but mksh continue/break support doesn't work.
Diffstat (limited to 'libc/sysdeps/linux/sparc64/jmpbuf-unwind.h')
-rw-r--r--libc/sysdeps/linux/sparc64/jmpbuf-unwind.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/jmpbuf-unwind.h b/libc/sysdeps/linux/sparc64/jmpbuf-unwind.h
new file mode 100644
index 000000000..31841e827
--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/jmpbuf-unwind.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <setjmp.h>
+#include <jmpbuf-offsets.h>
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((unsigned long int) (address) \
+ < (jmpbuf)->__uc_mcontext.__mc_gregs[MC_O6] + 2047)
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+ ((uintptr_t) (_address) - (_adj) \
+ < (uintptr_t) (_jmpbuf)[0].__uc_mcontext.__mc_gregs[MC_O6] + 2047 - (_adj))
+
+#endif