From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Fri, 15 Dec 2017 09:38:53 -0500
Subject: Import newlib and create makefile

---
 newlib/libc/sys/sparc64/cerror.S | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 newlib/libc/sys/sparc64/cerror.S

(limited to 'newlib/libc/sys/sparc64/cerror.S')

diff --git a/newlib/libc/sys/sparc64/cerror.S b/newlib/libc/sys/sparc64/cerror.S
new file mode 100644
index 0000000..c29563f
--- /dev/null
+++ b/newlib/libc/sys/sparc64/cerror.S
@@ -0,0 +1,29 @@
+! Set errno.
+! This function is called by all the syscall stubs.
+!
+! FIXME: We assume errno is the first member of struct _reent.
+! Not sure what to do about this.
+
+#include <sys/syscallasm.h>
+
+	DATA_SECTION
+	ALIGN (4)
+	GLOBAL (ASM_SYMBOL (errno))	! FIXME: ASM_PRIVATE_SYMBOL ?
+ASM_SYMBOL (errno):
+	WORD (0)
+
+	TEXT_SECTION
+	ALIGN (4)
+
+	GLOBAL (ASM_PRIVATE_SYMBOL (cerror))
+ASM_PRIVATE_SYMBOL (cerror):
+	sethi	%hi (ASM_SYMBOL (errno)),%g1
+	stw	%o0,[%g1+%lo (ASM_SYMBOL (errno))]
+	jmpl	%o7+8,%g0
+	mov	-1,%o0
+
+	GLOBAL (ASM_PRIVATE_SYMBOL (cerror_r))
+ASM_PRIVATE_SYMBOL (cerror_r):
+	stw	%o0,[%o1]
+	jmpl	%o7+8,%g0
+	mov	-1,%o0
-- 
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