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[PECOFF] Remove COFF header from PE header for simplicity.

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COFF header is always present both in executable and in object file. PE header
is present only in executable. So the natural way to handle PE/COFF file is
treating COFF is mandatory header and PE is optional. Current data structre
does not allow it, because PE header includes COFF header. Removing COFF
header will simplify the code to handle PE/COFF files.

Reviewers: Bigcheese

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D952

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183788 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rui Ueyama 2013-06-11 21:39:48 +00:00
parent f3e397eb17
commit 1a4f2a33fb
2 changed files with 5 additions and 8 deletions
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8
include/llvm/Object/COFF.h
View File

@ -57,10 +57,8 @@ struct coff_file_header {
support::ulittle16_t Characteristics;
};
/// The 32-bit PE header that usually immediately follows the DOS header.
/// The 32-bit PE header that follows the COFF header.
struct pe32_header {
support::ulittle32_t Signature;
coff_file_header COFFHeader;
support::ulittle16_t Magic;
uint8_t MajorLinkerVersion;
uint8_t MinorLinkerVersion;
@ -93,10 +91,8 @@ struct pe32_header {
support::ulittle32_t NumberOfRvaAndSize;
};
/// The 64-bit PE header that usually immediately follows the DOS header.
/// The 64-bit PE header that follows the COFF header.
struct pe32plus_header {
support::ulittle32_t Signature;
coff_file_header COFFHeader;
support::ulittle16_t Magic;
uint8_t MajorLinkerVersion;
uint8_t MinorLinkerVersion;

5
include/llvm/Support/COFF.h
View File

@ -30,6 +30,9 @@
namespace llvm {
namespace COFF {
// The PE signature bytes that follows the DOS stub header.
static const char PEMagic[] = { 'P', 'E', '\0', '\0' };
// Sizes in bytes of various things in the COFF format.
enum {
HeaderSize = 20,
@ -448,8 +451,6 @@ namespace COFF {
};
struct PEHeader {
uint32_t Signature;
header COFFHeader;
uint16_t Magic;
uint8_t MajorLinkerVersion;
uint8_t MinorLinkerVersion;