Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 68 insertions, 0 deletions

diff --git a/lib/romlib/templates/jmptbl_entry_function.S b/lib/romlib/templates/jmptbl_entry_function.S
new file mode 100644
index 0000000..a0f8456
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_entry_function.S
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	b	${function_name}
diff --git a/lib/romlib/templates/jmptbl_entry_function_bti.S b/lib/romlib/templates/jmptbl_entry_function_bti.S
new file mode 100644
index 0000000..d96ee94
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_entry_function_bti.S
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	bti	j
+	b	${function_name}
diff --git a/lib/romlib/templates/jmptbl_entry_reserved.S b/lib/romlib/templates/jmptbl_entry_reserved.S
new file mode 100644
index 0000000..a9b5f18
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_entry_reserved.S
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	b	.
diff --git a/lib/romlib/templates/jmptbl_entry_reserved_bti.S b/lib/romlib/templates/jmptbl_entry_reserved_bti.S
new file mode 100644
index 0000000..a9f0375
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_entry_reserved_bti.S
@@ -0,0 +1,7 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	bti	j
+	b	.
diff --git a/lib/romlib/templates/jmptbl_glob_var.S b/lib/romlib/templates/jmptbl_glob_var.S
new file mode 100644
index 0000000..d306512
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_glob_var.S
@@ -0,0 +1,9 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	.data
+	.globl	jmptbl
+	.align	4
+jmptbl:	.quad	0x${jmptbl_address}
diff --git a/lib/romlib/templates/jmptbl_header.S b/lib/romlib/templates/jmptbl_header.S
new file mode 100644
index 0000000..72b8ce5
--- /dev/null
+++ b/lib/romlib/templates/jmptbl_header.S
@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	.text
+	.globl	jmptbl
+jmptbl:
diff --git a/lib/romlib/templates/wrapper.S b/lib/romlib/templates/wrapper.S
new file mode 100644
index 0000000..734a68a
--- /dev/null
+++ b/lib/romlib/templates/wrapper.S
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	.globl	${function_name}
+${function_name}:
+	ldr	x17, =jmptbl
+	mov	x16, #${function_offset}
+	ldr	x17, [x17]
+	add	x16, x16, x17
+	br	x16
diff --git a/lib/romlib/templates/wrapper_bti.S b/lib/romlib/templates/wrapper_bti.S
new file mode 100644
index 0000000..ba9b11c
--- /dev/null
+++ b/lib/romlib/templates/wrapper_bti.S
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2019, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+	.globl	${function_name}
+${function_name}:
+	bti	jc
+	ldr	x17, =jmptbl
+	mov	x16, #${function_offset}
+	ldr	x17, [x17]
+	add	x16, x16, x17
+	br	x16