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BaseTools: Update GenFw to support 4K alignment. 

Get maximum section alignment from each ELF section, and this alignment is used to create PE header.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17727 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Ard Biesheuvel 2015-06-29 03:17:34 +00:00 committed by yingke
parent bbb6369486
commit 54b1b57a59
4 changed files with 33 additions and 4 deletions
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16
BaseTools/Source/C/GenFw/Elf32Convert.c
View File

@ -96,7 +96,7 @@ STATIC Elf_Phdr *mPhdrBase;
//
// Coff information
//
STATIC const UINT32 mCoffAlignment = 0x20;
STATIC UINT32 mCoffAlignment = 0x20;
//
// PE section alignment.
@ -291,6 +291,20 @@ ScanSections32 (
mTableOffset = mCoffOffset;
mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);
//
// Set mCoffAlignment to the maximum alignment of the input sections
// we care about
//
for (i = 0; i < mEhdr->e_shnum; i++) {
Elf_Shdr *shdr = GetShdrByIndex(i);
if (shdr->sh_addralign <= mCoffAlignment) {
continue;
}
if (IsTextShdr(shdr) || IsDataShdr(shdr) || IsHiiRsrcShdr(shdr)) {
mCoffAlignment = (UINT32)shdr->sh_addralign;
}
}
//
// First text sections.
//

16
BaseTools/Source/C/GenFw/Elf64Convert.c
View File

@ -97,7 +97,7 @@ STATIC Elf_Phdr *mPhdrBase;
//
// Coff information
//
STATIC const UINT32 mCoffAlignment = 0x20;
STATIC UINT32 mCoffAlignment = 0x20;
//
// PE section alignment.
@ -285,6 +285,20 @@ ScanSections64 (
mTableOffset = mCoffOffset;
mCoffOffset += mCoffNbrSections * sizeof(EFI_IMAGE_SECTION_HEADER);
//
// Set mCoffAlignment to the maximum alignment of the input sections
// we care about
//
for (i = 0; i < mEhdr->e_shnum; i++) {
Elf_Shdr *shdr = GetShdrByIndex(i);
if (shdr->sh_addralign <= mCoffAlignment) {
continue;
}
if (IsTextShdr(shdr) || IsDataShdr(shdr) || IsHiiRsrcShdr(shdr)) {
mCoffAlignment = (UINT32)shdr->sh_addralign;
}
}
//
// First text sections.
//

4
BaseTools/Source/C/GenFw/ElfConvert.c
View File

@ -96,11 +96,11 @@ CoffAddFixup(
mCoffFile = realloc (
mCoffFile,
mCoffOffset + sizeof(EFI_IMAGE_BASE_RELOCATION) + 2*0x1000
mCoffOffset + sizeof(EFI_IMAGE_BASE_RELOCATION) + 2 * MAX_COFF_ALIGNMENT
);
memset (
mCoffFile + mCoffOffset, 0,
sizeof(EFI_IMAGE_BASE_RELOCATION) + 2*0x1000
sizeof(EFI_IMAGE_BASE_RELOCATION) + 2 * MAX_COFF_ALIGNMENT
);
mCoffBaseRel = (EFI_IMAGE_BASE_RELOCATION*)(mCoffFile + mCoffOffset);

1
BaseTools/Source/C/GenFw/ElfConvert.h
View File

@ -34,6 +34,7 @@ extern UINT32 mOutImageType;
// Common EFI specific data.
//
#define ELF_HII_SECTION_NAME ".hii"
#define MAX_COFF_ALIGNMENT 0x10000
//
// Filter Types