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linux-7.2.3/arch/sparc/vdso/vdso32/.gitignore

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+# SPDX-License-Identifier: GPL-2.0-only
+vdso32.lds

linux-7.2.3/arch/sparc/vdso/vdso32/vclock_gettime.c

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+/*
+ * Copyright (c) 2017 Oracle and/or its affiliates. All rights reserved.
+ */
+
+#define	BUILD_VDSO32
+
+#ifdef	CONFIG_SPARC64
+
+/*
+ * in case of a 32 bit VDSO for a 64 bit kernel fake a 32 bit kernel
+ * configuration
+ */
+#undef	CONFIG_64BIT
+#undef	CONFIG_SPARC64
+#define	BUILD_VDSO32_64
+#define	CONFIG_32BIT
+#undef	CONFIG_QUEUED_RWLOCKS
+#undef	CONFIG_QUEUED_SPINLOCKS
+
+#endif
+
+#include "../vclock_gettime.c"

linux-7.2.3/arch/sparc/vdso/vdso32/vdso-note.S

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+/*
+ * This supplies .note.* sections to go into the PT_NOTE inside the vDSO
+ * text. Here we can supply some information useful to userland.
+ */
+
+#include <linux/uts.h>
+#include <linux/version.h>
+#include <linux/elfnote.h>
+
+ELFNOTE_START(Linux, 0, "a")
+	.long	LINUX_VERSION_CODE
+ELFNOTE_END

linux-7.2.3/arch/sparc/vdso/vdso32/vdso32.lds.S

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+/*
+ * Linker script for sparc32 vDSO
+ * We #include the file to define the layout details.
+ *
+ * This file defines the version script giving the user-exported symbols in
+ * the DSO.
+ */
+
+#define	BUILD_VDSO32
+#include "../vdso-layout.lds.S"
+
+/*
+ * This controls what userland symbols we export from the vDSO.
+ */
+VERSION {
+	LINUX_2.6 {
+	global:
+		clock_gettime;
+		__vdso_clock_gettime;
+		clock_gettime64;
+		__vdso_clock_gettime64;
+		gettimeofday;
+		__vdso_gettimeofday;
+	local: *;
+	};
+}