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[Minios-devel] [UNIKRAFT PATCH 2/8] plat/kvm, plat/xen: Rename linker script file name extension to '.lds'



The linker script file extension '.lds' (alias "ld script") seems to be
more natural understandable than '.ld' for linker script files.
We also plan to introduce the extension '.ldS' for linker scripts that
have to be processed by GCC's preprocessor. But first of all, we adopt
the existing files to this new file name extension convention.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
 plat/kvm/Linker.uk      |   2 +-
 plat/kvm/x86/link64.ld  |  94 -----------------------------------------
 plat/kvm/x86/link64.lds |  94 +++++++++++++++++++++++++++++++++++++++++
 plat/xen/Linker.uk      |   8 ++--
 plat/xen/arm/link32.ld  | 109 ------------------------------------------------
 plat/xen/arm/link32.lds | 109 ++++++++++++++++++++++++++++++++++++++++++++++++
 plat/xen/x86/link64.ld  |  89 ---------------------------------------
 plat/xen/x86/link64.lds |  89 +++++++++++++++++++++++++++++++++++++++
 8 files changed, 297 insertions(+), 297 deletions(-)
 delete mode 100644 plat/kvm/x86/link64.ld
 create mode 100644 plat/kvm/x86/link64.lds
 delete mode 100644 plat/xen/arm/link32.ld
 create mode 100644 plat/xen/arm/link32.lds
 delete mode 100644 plat/xen/x86/link64.ld
 create mode 100644 plat/xen/x86/link64.lds

diff --git a/plat/kvm/Linker.uk b/plat/kvm/Linker.uk
index b43072f..721ab4f 100644
--- a/plat/kvm/Linker.uk
+++ b/plat/kvm/Linker.uk
@@ -1,5 +1,5 @@
 ifeq (x86_64,$(CONFIG_UK_ARCH))
-KVM_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/kvm/x86/link64.ld
+KVM_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/kvm/x86/link64.lds
 KVM_LDFLAGS-y += -Wl,-m,elf_x86_64
 endif
 
diff --git a/plat/kvm/x86/link64.ld b/plat/kvm/x86/link64.ld
deleted file mode 100644
index 60b5d21..0000000
--- a/plat/kvm/x86/link64.ld
+++ /dev/null
@@ -1,94 +0,0 @@
-/* SPDX-License-Identifier: ISC */
-/*
- * Author(s): Dan Williams <djwillia@xxxxxxxxxx>
- *            Martin Lucina <martin.lucina@xxxxxxxxxx>
- *            Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
- *
- * Copyright (c) 2016, IBM
- *           (c) 2016-2017 Docker, Inc.
- *           (c) 2017-2018, NEC Europe Ltd.
- *
- * Permission to use, copy, modify, and/or distribute this software
- * for any purpose with or without fee is hereby granted, provided
- * that the above copyright notice and this permission notice appear
- * in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
- * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
- * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-ENTRY(_libkvmplat_entry)
-SECTIONS
-{
-       . = 0x100000;
-
-       /* Code */
-       _text = .;
-       .text :
-       {
-               /* prevent linker gc from removing multiboot header */
-               KEEP (*(.data.boot))
-               *(.text.boot)
-
-               *(.text)
-               *(.text.*)
-       }
-       _etext = .;
-
-       /* Read-only data */
-       . = ALIGN(0x1000);
-       _rodata = .;
-       .rodata :
-       {
-               *(.rodata)
-               *(.rodata.*)
-       }
-       _erodata = .;
-
-       /* Constructor tables (read-only) */
-       _ctors = .;
-       .preinit_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__preinit_array_start = .);
-               KEEP (*(.preinit_array))
-               PROVIDE_HIDDEN (__preinit_array_end = .);
-       }
-
-       .init_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__init_array_start = .);
-               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
-               KEEP (*(.init_array .ctors))
-               PROVIDE_HIDDEN (__init_array_end = .);
-       }
-       _ectors = .;
-
-       /* Read-write data (initialized) */
-       . = ALIGN(0x1000);
-       _data = .;
-       .data :
-       {
-               *(.data)
-               *(.data.*)
-       }
-       _edata = .;
-
-       /* Read-write data (uninitialized) */
-       . = ALIGN(0x1000);
-       __bss_start = .;
-       .bss :
-       {
-               *(.bss)
-               *(.bss.*)
-               *(COMMON)
-               . = ALIGN(0x1000);
-       }
-
-       _end = .;
-}
diff --git a/plat/kvm/x86/link64.lds b/plat/kvm/x86/link64.lds
new file mode 100644
index 0000000..60b5d21
--- /dev/null
+++ b/plat/kvm/x86/link64.lds
@@ -0,0 +1,94 @@
+/* SPDX-License-Identifier: ISC */
+/*
+ * Author(s): Dan Williams <djwillia@xxxxxxxxxx>
+ *            Martin Lucina <martin.lucina@xxxxxxxxxx>
+ *            Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
+ *
+ * Copyright (c) 2016, IBM
+ *           (c) 2016-2017 Docker, Inc.
+ *           (c) 2017-2018, NEC Europe Ltd.
+ *
+ * Permission to use, copy, modify, and/or distribute this software
+ * for any purpose with or without fee is hereby granted, provided
+ * that the above copyright notice and this permission notice appear
+ * in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+ENTRY(_libkvmplat_entry)
+SECTIONS
+{
+       . = 0x100000;
+
+       /* Code */
+       _text = .;
+       .text :
+       {
+               /* prevent linker gc from removing multiboot header */
+               KEEP (*(.data.boot))
+               *(.text.boot)
+
+               *(.text)
+               *(.text.*)
+       }
+       _etext = .;
+
+       /* Read-only data */
+       . = ALIGN(0x1000);
+       _rodata = .;
+       .rodata :
+       {
+               *(.rodata)
+               *(.rodata.*)
+       }
+       _erodata = .;
+
+       /* Constructor tables (read-only) */
+       _ctors = .;
+       .preinit_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__preinit_array_start = .);
+               KEEP (*(.preinit_array))
+               PROVIDE_HIDDEN (__preinit_array_end = .);
+       }
+
+       .init_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__init_array_start = .);
+               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
+               KEEP (*(.init_array .ctors))
+               PROVIDE_HIDDEN (__init_array_end = .);
+       }
+       _ectors = .;
+
+       /* Read-write data (initialized) */
+       . = ALIGN(0x1000);
+       _data = .;
+       .data :
+       {
+               *(.data)
+               *(.data.*)
+       }
+       _edata = .;
+
+       /* Read-write data (uninitialized) */
+       . = ALIGN(0x1000);
+       __bss_start = .;
+       .bss :
+       {
+               *(.bss)
+               *(.bss.*)
+               *(COMMON)
+               . = ALIGN(0x1000);
+       }
+
+       _end = .;
+}
diff --git a/plat/xen/Linker.uk b/plat/xen/Linker.uk
index 0c0c4ee..455f10f 100644
--- a/plat/xen/Linker.uk
+++ b/plat/xen/Linker.uk
@@ -1,16 +1,16 @@
 ifeq (x86_64,$(CONFIG_UK_ARCH))
-XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/x86/link64.ld
+XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/x86/link64.lds
 XEN_LDFLAGS-y += -Wl,-m,elf_x86_64
 endif
 ifeq (x86_32,$(CONFIG_UK_ARCH))
-XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/x86/link32.ld
+XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/x86/link32.lds
 XEN_LDFLAGS-y += -Wl,-m,elf_x86_32
 endif
 ifeq (arm_64,$(CONFIG_UK_ARCH))
-XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/arm/link64.ld
+XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/arm/link64.lds
 endif
 ifeq (arm,$(CONFIG_UK_ARCH))
-XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/arm/link32.ld
+XEN_LDSCRIPT  := $(CONFIG_UK_BASE)/plat/xen/arm/link32.lds
 endif
 
 ##
diff --git a/plat/xen/arm/link32.ld b/plat/xen/arm/link32.ld
deleted file mode 100644
index 4508e05..0000000
--- a/plat/xen/arm/link32.ld
+++ /dev/null
@@ -1,109 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-/* Taken from Mini-OS */
-
-OUTPUT_ARCH(arm)
-ENTRY(_libxenplat_start)
-SECTIONS
-{
-       /* Note: we currently assume that Xen will load the kernel image
-        * at start-of-RAM + 0x8000. We use this initial 32 KB for the stack
-        * and translation tables.
-       */
-       _boot_stack     = 0x400000;     /* 16 KB boot stack */
-       _boot_stack_end = 0x404000;
-       _page_dir       = 0x404000;     /* 16 KB translation table */
-       .               = 0x408000;
-       _text = .;                      /* Text and read-only data */
-       .text : {
-               *(.text.zimageboot)     /* zImage boot header & code
-                                          must come first */
-
-               *(.text)
-               *(.gnu.warning)
-       } = 0x9090
-
-       _etext = .;                     /* End of text section */
-
-       /* Read-only data */
-       _rodata = .;
-       .rodata :
-       {
-               *(.rodata)
-               *(.rodata.*)
-       }
-       . = ALIGN(4096);
-       _erodata = .;
-
-       _ctors = .;
-       .preinit_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__preinit_array_start = .);
-               KEEP (*(.preinit_array))
-               PROVIDE_HIDDEN (__preinit_array_end = .);
-       }
-
-       .init_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__init_array_start = .);
-               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
-               KEEP (*(.init_array .ctors))
-               PROVIDE_HIDDEN (__init_array_end = .);
-       }
-       _ectors = .;
-
-       .data : {                       /* Data */
-               _data = .;
-               *(.data)
-       }
-
-       /* Note: linker will insert any extra sections here, just before .bss */
-
-       .bss : {
-               _edata = .;             /* End of data included in image */
-               /* Nothing after here is included in the zImage's size */
-
-               __bss_start = .;
-               *(.bss)
-               *(.app.bss)
-       }
-       _end = . ;
-
-       /* Sections to be discarded */
-       /DISCARD/ : {
-               *(.text.exit)
-               *(.data.exit)
-               *(.exitcall.exit)
-       }
-
-       /* Stabs debugging sections.  */
-       .stab 0 : { *(.stab) }
-       .stabstr 0 : { *(.stabstr) }
-       .stab.excl 0 : { *(.stab.excl) }
-       .stab.exclstr 0 : { *(.stab.exclstr) }
-       .stab.index 0 : { *(.stab.index) }
-       .stab.indexstr 0 : { *(.stab.indexstr) }
-       .comment 0 : { *(.comment) }
-}
diff --git a/plat/xen/arm/link32.lds b/plat/xen/arm/link32.lds
new file mode 100644
index 0000000..4508e05
--- /dev/null
+++ b/plat/xen/arm/link32.lds
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+/* Taken from Mini-OS */
+
+OUTPUT_ARCH(arm)
+ENTRY(_libxenplat_start)
+SECTIONS
+{
+       /* Note: we currently assume that Xen will load the kernel image
+        * at start-of-RAM + 0x8000. We use this initial 32 KB for the stack
+        * and translation tables.
+       */
+       _boot_stack     = 0x400000;     /* 16 KB boot stack */
+       _boot_stack_end = 0x404000;
+       _page_dir       = 0x404000;     /* 16 KB translation table */
+       .               = 0x408000;
+       _text = .;                      /* Text and read-only data */
+       .text : {
+               *(.text.zimageboot)     /* zImage boot header & code
+                                          must come first */
+
+               *(.text)
+               *(.gnu.warning)
+       } = 0x9090
+
+       _etext = .;                     /* End of text section */
+
+       /* Read-only data */
+       _rodata = .;
+       .rodata :
+       {
+               *(.rodata)
+               *(.rodata.*)
+       }
+       . = ALIGN(4096);
+       _erodata = .;
+
+       _ctors = .;
+       .preinit_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__preinit_array_start = .);
+               KEEP (*(.preinit_array))
+               PROVIDE_HIDDEN (__preinit_array_end = .);
+       }
+
+       .init_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__init_array_start = .);
+               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
+               KEEP (*(.init_array .ctors))
+               PROVIDE_HIDDEN (__init_array_end = .);
+       }
+       _ectors = .;
+
+       .data : {                       /* Data */
+               _data = .;
+               *(.data)
+       }
+
+       /* Note: linker will insert any extra sections here, just before .bss */
+
+       .bss : {
+               _edata = .;             /* End of data included in image */
+               /* Nothing after here is included in the zImage's size */
+
+               __bss_start = .;
+               *(.bss)
+               *(.app.bss)
+       }
+       _end = . ;
+
+       /* Sections to be discarded */
+       /DISCARD/ : {
+               *(.text.exit)
+               *(.data.exit)
+               *(.exitcall.exit)
+       }
+
+       /* Stabs debugging sections.  */
+       .stab 0 : { *(.stab) }
+       .stabstr 0 : { *(.stabstr) }
+       .stab.excl 0 : { *(.stab.excl) }
+       .stab.exclstr 0 : { *(.stab.exclstr) }
+       .stab.index 0 : { *(.stab.index) }
+       .stab.indexstr 0 : { *(.stab.indexstr) }
+       .comment 0 : { *(.comment) }
+}
diff --git a/plat/xen/x86/link64.ld b/plat/xen/x86/link64.ld
deleted file mode 100644
index 5391dbd..0000000
--- a/plat/xen/x86/link64.ld
+++ /dev/null
@@ -1,89 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-/*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-/* Taken from Mini-OS */
-
-OUTPUT_FORMAT("elf64-x86-64")
-OUTPUT_ARCH(i386:x86-64)
-
-ENTRY(_libxenplat_start)
-SECTIONS
-{
-       . = 0x0;
-       _text = .;                      /* Text and read-only data */
-       .text : {
-               *(.text.boot)
-               *(.text)
-               *(.gnu.warning)
-       } = 0x2000
-
-       _etext = .;                     /* End of text section */
-
-       _rodata = .;
-       .rodata : {
-               *(.rodata)
-               *(.rodata.*)
-       }
-       . = ALIGN(4096);
-       _erodata = .;
-
-       _ctors = .;
-       .preinit_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__preinit_array_start = .);
-               KEEP (*(.preinit_array))
-               PROVIDE_HIDDEN (__preinit_array_end = .);
-       }
-
-       .init_array : {
-               . = ALIGN(0x8);
-               PROVIDE_HIDDEN (__init_array_start = .);
-               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
-               KEEP (*(.init_array .ctors))
-               PROVIDE_HIDDEN (__init_array_end = .);
-       }
-       _ectors = .;
-
-       _data = .;
-       .data : {                       /* Data */
-               *(.data)
-       }
-
-       _edata = .;                     /* End of data section */
-
-       __bss_start = .;                /* BSS */
-       .bss : {
-               *(.bss)
-               . = ALIGN(4096);
-       }
-       _end = . ;
-
-       /* Sections to be discarded */
-       /* TODO revisit when we have a resolution for discarded sections
-       /DISCARD/ : {
-               *(.text.exit)
-               *(.data.exit)
-               *(.exitcall.exit)
-       }
-       */
-}
diff --git a/plat/xen/x86/link64.lds b/plat/xen/x86/link64.lds
new file mode 100644
index 0000000..5391dbd
--- /dev/null
+++ b/plat/xen/x86/link64.lds
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/* Taken from Mini-OS */
+
+OUTPUT_FORMAT("elf64-x86-64")
+OUTPUT_ARCH(i386:x86-64)
+
+ENTRY(_libxenplat_start)
+SECTIONS
+{
+       . = 0x0;
+       _text = .;                      /* Text and read-only data */
+       .text : {
+               *(.text.boot)
+               *(.text)
+               *(.gnu.warning)
+       } = 0x2000
+
+       _etext = .;                     /* End of text section */
+
+       _rodata = .;
+       .rodata : {
+               *(.rodata)
+               *(.rodata.*)
+       }
+       . = ALIGN(4096);
+       _erodata = .;
+
+       _ctors = .;
+       .preinit_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__preinit_array_start = .);
+               KEEP (*(.preinit_array))
+               PROVIDE_HIDDEN (__preinit_array_end = .);
+       }
+
+       .init_array : {
+               . = ALIGN(0x8);
+               PROVIDE_HIDDEN (__init_array_start = .);
+               KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) 
SORT_BY_INIT_PRIORITY(.ctors.*)))
+               KEEP (*(.init_array .ctors))
+               PROVIDE_HIDDEN (__init_array_end = .);
+       }
+       _ectors = .;
+
+       _data = .;
+       .data : {                       /* Data */
+               *(.data)
+       }
+
+       _edata = .;                     /* End of data section */
+
+       __bss_start = .;                /* BSS */
+       .bss : {
+               *(.bss)
+               . = ALIGN(4096);
+       }
+       _end = . ;
+
+       /* Sections to be discarded */
+       /* TODO revisit when we have a resolution for discarded sections
+       /DISCARD/ : {
+               *(.text.exit)
+               *(.data.exit)
+               *(.exitcall.exit)
+       }
+       */
+}
-- 
2.7.4


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