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pdp10-elf36: change Ehdr e_ident{1,2,3,4} to e_wident[4] to make it eaiser to process, define EI_NIDENT, define ELF36_EHDR_SIZEOF or avoid host-level sizeof mishaps

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This commit is contained in:
Mikael Pettersson
2013-07-10 19:59:31 +00:00
parent ba0c6cea95
commit 3979061f0d
2 changed files with 13 additions and 12 deletions
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9
include/pdp10-elf36.h
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@@ -19,6 +19,8 @@ typedef pdp10_uint36_t Elf36_Word;
/* ELF Header */
#define EI_NIDENT 16
typedef struct {
/* In the standard 32 and 64 bit ELF specifications the ELF header starts
* with a 16-octet e_ident[] array, of which the first 9 octets are defined,
@@ -26,10 +28,7 @@ typedef struct {
* e_ident with Elf36, we pack the first 9 octets in two 36-bit words, and
* add two words of padding, making e_ident 16 bits larger in Elf36.
*/
Elf36_Word e_ident1; /* e_ident[] indices 0 to 4.5 */
Elf36_Word e_ident2; /* e_ident[] indices 4.5 to 8 */
Elf36_Word e_ident3; /* padding zeros */
Elf36_Word e_ident4; /* padding zeros */
Elf36_Word e_wident[4]; /* e_ident[] indices 0 to 4.5 */
Elf36_Half e_type; /* Identifies object file type */
Elf36_Half e_machine; /* Specifies required architecture */
Elf36_Word e_version; /* Identifies object file version */
@@ -45,6 +44,8 @@ typedef struct {
Elf36_Half e_shstrndx; /* Section header string table index */
} Elf36_Ehdr;
#define ELF36_EHDR_SIZEOF (8 * 2 + (5 + 4) * 4)
/* e_ident[] identification indexes */
#define EI_MAG0 0 /* File identification byte 0 index */