summaryrefslogtreecommitdiff
path: root/BaseTools/Source/C/GenFw/Elf64Convert.c
diff options
context:
space:
mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2015-06-29 03:17:34 +0000
committeryingke <yingke@Edk2>2015-06-29 03:17:34 +0000
commit54b1b57a59b5297304a8d7fd3838e1122bebc2b2 (patch)
tree631a7cf3b870686d42e2d280c5120e914e0d8ab5 /BaseTools/Source/C/GenFw/Elf64Convert.c
parentbbb6369486306c9f96088ff272a46f7c5d7991ad (diff)
downloadedk2-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/GenFw/Elf64Convert.c')
-rw-r--r--BaseTools/Source/C/GenFw/Elf64Convert.c16
1 files changed, 15 insertions, 1 deletions
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);