[PATCH prototype] [5/8] Add ELF constants for pbitmaps

Andi Kleen
2008-03-18T01:11:34Z

I made up some numbers for the present bitmap phdrs and shdrs.

For serious use this would probably require an allocation somewhere.

Signed-off-by: Andi Kleen <andi@firstfloor.org>

---
include/linux/elf.h | 4 ++++
1 file changed, 4 insertions(+)

Index: linux/include/linux/elf.h
===================================================================
--- linux.orig/include/linux/elf.h
+++ linux/include/linux/elf.h
@@ -49,6 +49,7 @@ typedef __s64 Elf64_Sxword;
#define PT_GNU_EH_FRAME 0x6474e550

#define PT_GNU_STACK (PT_LOOS + 0x474e551)
+#define PT_PRESENT_BITMAP (PT_GNU_STACK + 1)

/* These constants define the different elf file types */
#define ET_NONE 0
@@ -230,6 +231,8 @@ typedef struct elf64_hdr {
#define PF_W 0x2
#define PF_X 0x1

+#define PF_PLEASE_LOAD_SHDRS 0x8 /* hack. checked on PT_GNU_STACK */
+
typedef struct elf32_phdr{
Elf32_Word p_type;
Elf32_Off p_offset;
@@ -270,6 +273,7 @@ typedef struct elf64_phdr {
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xffffffff
+#define SHT_PRESENT_BITMAP (SHT_LOPROC - 1000)

/* sh_flags */
#define SHF_WRITE 0x1