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| author | Liming Gao <gaoliming@byosoft.com.cn> | 2021-06-02 16:11:40 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-06-04 09:20:06 +0000 |
| commit | c1aa3bab1259a54cd392831bc1dc1fd263436349 (patch) | |
| tree | 8f08068473d7af0ecfb6b39366007fd85527e4f9 | |
| parent | c410ad4da4b7785170d3d42a3ba190c2caac6feb (diff) | |
| download | edk2-c1aa3bab1259a54cd392831bc1dc1fd263436349.tar.gz edk2-c1aa3bab1259a54cd392831bc1dc1fd263436349.tar.bz2 edk2-c1aa3bab1259a54cd392831bc1dc1fd263436349.zip | |
BaseTools: Add ClangBase.lds for CLANG8 tool chain with max-page-size
LLVM LLD linker doesn't support common-page-size option. So, max-page-size
is used. To not impact GCC tool chain, new ClangBase.lds is added.
Signed-off-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Feng Bob C <bob.c.feng@intel.com>
| -rw-r--r-- | BaseTools/Scripts/ClangBase.lds | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/BaseTools/Scripts/ClangBase.lds b/BaseTools/Scripts/ClangBase.lds new file mode 100644 index 0000000000..8abd54aee6 --- /dev/null +++ b/BaseTools/Scripts/ClangBase.lds @@ -0,0 +1,79 @@ +/** @file
+
+ Unified linker script for GCC based builds
+
+ Copyright (c) 2010 - 2015, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>
+ (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+SECTIONS {
+
+ /*
+ * The PE/COFF binary consists of DOS and PE/COFF headers, and a sequence of
+ * section headers adding up to PECOFF_HEADER_SIZE bytes (which differs
+ * between 32-bit and 64-bit builds). The actual start of the .text section
+ * will be rounded up based on its actual alignment.
+ */
+ . = PECOFF_HEADER_SIZE;
+
+ .text : ALIGN(CONSTANT(MAXPAGESIZE)) {
+ *(.text .text.* .stub .gnu.linkonce.t.*)
+ *(.rodata .rodata.* .gnu.linkonce.r.*)
+ *(.got .got.*)
+
+ /*
+ * The contents of AutoGen.c files are mostly constant from the POV of the
+ * program, but most of it ends up in .data or .bss by default since few of
+ * the variable definitions that get emitted are declared as CONST.
+ * Unfortunately, we cannot pull it into the .text section entirely, since
+ * patchable PCDs are also emitted here, but we can at least move all of the
+ * emitted GUIDs here.
+ */
+ *:AutoGen.obj(.data.g*Guid)
+ }
+
+ /*
+ * The alignment of the .data section should be less than or equal to the
+ * alignment of the .text section. This ensures that the relative offset
+ * between these sections is the same in the ELF and the PE/COFF versions of
+ * this binary.
+ */
+ .data ALIGN(ALIGNOF(.text)) : ALIGN(CONSTANT(MAXPAGESIZE)) {
+ *(.data .data.* .gnu.linkonce.d.*)
+ *(.bss .bss.*)
+ }
+
+ .eh_frame ALIGN(CONSTANT(MAXPAGESIZE)) : {
+ KEEP (*(.eh_frame))
+ }
+
+ .rela (INFO) : {
+ *(.rela .rela.*)
+ }
+
+ .hii : ALIGN(CONSTANT(MAXPAGESIZE)) {
+ KEEP (*(.hii))
+ }
+
+ /*
+ * Retain the GNU build id but in a non-allocatable section so GenFw
+ * does not copy it into the PE/COFF image.
+ */
+ .build-id (INFO) : { *(.note.gnu.build-id) }
+
+ /DISCARD/ : {
+ *(.note.GNU-stack)
+ *(.gnu_debuglink)
+ *(.interp)
+ *(.dynsym)
+ *(.dynstr)
+ *(.dynamic)
+ *(.hash .gnu.hash)
+ *(.comment)
+ *(COMMON)
+ }
+}
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