diff options
author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-06-29 03:17:34 +0000 |
---|---|---|
committer | yingke <yingke@Edk2> | 2015-06-29 03:17:34 +0000 |
commit | 54b1b57a59b5297304a8d7fd3838e1122bebc2b2 (patch) | |
tree | 631a7cf3b870686d42e2d280c5120e914e0d8ab5 /BaseTools/Source/C | |
parent | bbb6369486306c9f96088ff272a46f7c5d7991ad (diff) | |
download | edk2-platforms-54b1b57a59b5297304a8d7fd3838e1122bebc2b2.tar.xz |
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
Diffstat (limited to 'BaseTools/Source/C')
-rw-r--r-- | BaseTools/Source/C/GenFw/Elf32Convert.c | 16 | ||||
-rw-r--r-- | BaseTools/Source/C/GenFw/Elf64Convert.c | 16 | ||||
-rw-r--r-- | BaseTools/Source/C/GenFw/ElfConvert.c | 4 | ||||
-rw-r--r-- | BaseTools/Source/C/GenFw/ElfConvert.h | 1 |
4 files changed, 33 insertions, 4 deletions
diff --git a/BaseTools/Source/C/GenFw/Elf32Convert.c b/BaseTools/Source/C/GenFw/Elf32Convert.c index 5c7b689ee8..10d9892ba1 100644 --- a/BaseTools/Source/C/GenFw/Elf32Convert.c +++ b/BaseTools/Source/C/GenFw/Elf32Convert.c @@ -96,7 +96,7 @@ STATIC Elf_Phdr *mPhdrBase; //
// Coff information
//
-STATIC const UINT32 mCoffAlignment = 0x20;
+STATIC UINT32 mCoffAlignment = 0x20;
//
// PE section alignment.
@@ -292,6 +292,20 @@ ScanSections32 ( 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.
//
mCoffOffset = CoffAlign(mCoffOffset);
diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c b/BaseTools/Source/C/GenFw/Elf64Convert.c index 25b90e2f7b..d2becf165f 100644 --- a/BaseTools/Source/C/GenFw/Elf64Convert.c +++ b/BaseTools/Source/C/GenFw/Elf64Convert.c @@ -97,7 +97,7 @@ STATIC Elf_Phdr *mPhdrBase; //
// Coff information
//
-STATIC const UINT32 mCoffAlignment = 0x20;
+STATIC UINT32 mCoffAlignment = 0x20;
//
// PE section alignment.
@@ -286,6 +286,20 @@ ScanSections64 ( 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.
//
mCoffOffset = CoffAlign(mCoffOffset);
diff --git a/BaseTools/Source/C/GenFw/ElfConvert.c b/BaseTools/Source/C/GenFw/ElfConvert.c index 1a84d3c287..6211389ba1 100644 --- a/BaseTools/Source/C/GenFw/ElfConvert.c +++ b/BaseTools/Source/C/GenFw/ElfConvert.c @@ -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);
diff --git a/BaseTools/Source/C/GenFw/ElfConvert.h b/BaseTools/Source/C/GenFw/ElfConvert.h index b27a2f9d22..56f165eae5 100644 --- a/BaseTools/Source/C/GenFw/ElfConvert.h +++ b/BaseTools/Source/C/GenFw/ElfConvert.h @@ -34,6 +34,7 @@ extern UINT32 mOutImageType; // Common EFI specific data.
//
#define ELF_HII_SECTION_NAME ".hii"
+#define MAX_COFF_ALIGNMENT 0x10000
//
// Filter Types
|