[edk2-devel] [edk2-staging/RISC-V-V2 PATCH v3 25/39] BaseTools/Scripts

[Leif Lindholm]

On Mon, Oct 28, 2019 at 09:59:03 +0800, Abner Chang wrote:
> Add RISC-V specific LD scripts. ."rela(INFO)" in the latest GccBase.lds
> causes PE32 relocation error.
> This is the temporaty solution untill we find the root casue.

And it can go now, right?

/
    Leif

> Signed-off-by: Abner Chang <abner.chang at hpe.com>
> 
> Cc: Bob Feng <bob.c.feng at intel.com>
> Cc: Liming Gao <liming.gao at intel.com>
> Cc: Leif Lindholm <leif.lindholm at linaro.org>
> Cc: Gilbert Chen <gilbert.chen at hpe.com>
> ---
>  BaseTools/Scripts/GccBaseRiscV.lds | 79 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 79 insertions(+)
>  create mode 100644 BaseTools/Scripts/GccBaseRiscV.lds
> 
> diff --git a/BaseTools/Scripts/GccBaseRiscV.lds b/BaseTools/Scripts/GccBaseRiscV.lds
> new file mode 100644
> index 0000000..91937aa
> --- /dev/null
> +++ b/BaseTools/Scripts/GccBaseRiscV.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>
> +  Copyright (c) 2019, Hewlett Packard Enterprise Development LP. All rights reserved.<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(COMMONPAGESIZE)) {
> +    *(.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(COMMONPAGESIZE)) {
> +    *(.data .data.* .gnu.linkonce.d.*)
> +    *(.bss .bss.*)
> +  }
> +
> +  .eh_frame ALIGN(CONSTANT(COMMONPAGESIZE)) : {
> +    KEEP (*(.eh_frame))
> +  }
> +
> +  .rela ALIGN(CONSTANT(COMMONPAGESIZE)) : {
> +    *(.rela .rela.*)
> +  }
> +
> +  .hii : ALIGN(CONSTANT(COMMONPAGESIZE)) {
> +    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)
> +  }
> +}
> -- 
> 2.7.4
> 

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