1 files changed, 77 insertions, 0 deletions
diff --git a/newlib/libc/sys/sparc64/sigsetjmp.S b/newlib/libc/sys/sparc64/sigsetjmp.S
new file mode 100644
index 00000000000..7751e5f8c6b
--- /dev/null
+++ b/newlib/libc/sys/sparc64/sigsetjmp.S
@@ -0,0 +1,77 @@
+! This file is called sigsetjmp.s because that is what V8 uses.
+! We do not define sigsetjmp() or setlongjmp() yet.
+! Solaris has setjmp/longjmp in setjmp.o.  Move this stuff there.
+
+#include <sys/syscallasm.h>
+
+	TEXT_SECTION
+	ALIGN (4)
+
+#ifdef __svr4__
+
+	GLOBAL (ASM_SYMBOL (setjmp))
+	.proc	04
+ASM_SYMBOL (setjmp):
+
+	clr	[%o0]
+	stx	%sp,[%o0+8]
+	add	%o7,8,%g1
+	stx	%g1,[%o0+16]
+	retl 
+	mov	%g0,%o0
+
+	GLOBAL (ASM_SYMBOL (longjmp))
+	.proc	04
+ASM_SYMBOL (longjmp):
+
+	flushw				! flush register windows
+	sub	%sp,136,%sp
+	ldx	[%o0+8],%fp
+	ldx	[%o0+16],%g1
+	tst	%o1
+	bne	L0
+	sub	%g1,8,%o7
+	mov	1,%o1
+L0:
+	retl 
+	restore	%o1,0,%o0
+
+#else
+
+	GLOBAL (ASM_SYMBOL (setjmp))
+	.proc	04
+ASM_SYMBOL (setjmp):
+	save	%sp,-136,%sp
+	or	%g0,%g0,%o0		! %o0 = 0
+	or	%g0,0x6d,%g1		! %g1 = 0x6d (syscall number)
+	ta	SYSCALL_TRAP
+	stw	%o0,[%i0+4]		! save result at [%i0+4] (sigmask?)
+	add	%fp,-8,%o1		! %o1 -> tmp 8 byte buffer
+	or	%g0,%g0,%o0		! %o0 = 0
+	or	%g0,0x70,%g1		! %g1 = 0x70 (syscall number)
+	ta	SYSCALL_TRAP
+	lduw	[%fp-4],%g1		! %g1 = onsstack?
+	stw	%fp,[%i0+8]		! save %fp at [%i0+8]
+	stw	%g1,[%i0+0]		! save ? at [%i0+8]
+	add	%i7,8,%g1		! %g1 = return address
+	stw	%g1,[%i0+12]		! save return address at [%i0+12]
+	add	%g1,4,%g1		! %g1 = nPC
+	stw	%g1,[%i0+16]		! save nPC at [%i0+16]
+	stw	%g0,[%i0+20]
+	stw	%g0,[%i0+24]
+	stw	%g0,[%i0+32]
+	jmpl	%i7+8,%g0
+	restore	%g0,0,%o0
+
+	GLOBAL (ASM_SYMBOL (longjmp))
+	.proc	04
+ASM_SYMBOL (longjmp):
+	orcc	%g0,%o1,%g0		! return val == 0 ?
+	be,a	L1			! branch if 0
+	or	%g0,1,%o1		! make it 1 (executed if branch taken)
+L1:
+	or	%g0,0x8b,%g1		! set syscall 0x8b
+	stw	%o1,[%o0+28]		! save return val for restoration
+	ta	SYSCALL_TRAP
+
+#endif /* ! __svr4__ */