1 files changed, 38 insertions, 2 deletions

diff --git a/include/linux/elf.h b/include/linux/elf.h
index 0cc4d55151b7..597858418051 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -50,6 +50,28 @@ typedef __s64	Elf64_Sxword;
 
 #define PT_GNU_STACK    (PT_LOOS + 0x474e551)
 
+/*
+ * Extended Numbering
+ *
+ * If the real number of program header table entries is larger than
+ * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
+ * section header at index 0, and PN_XNUM is set to e_phnum
+ * field. Otherwise, the section header at index 0 is zero
+ * initialized, if it exists.
+ *
+ * Specifications are available in:
+ *
+ * - Sun microsystems: Linker and Libraries.
+ *   Part No: 817-1984-17, September 2008.
+ *   URL: http://docs.sun.com/app/docs/doc/817-1984
+ *
+ * - System V ABI AMD64 Architecture Processor Supplement
+ *   Draft Version 0.99.,
+ *   May 11, 2009.
+ *   URL: http://www.x86-64.org/
+ */
+#define PN_XNUM 0xffff
+
 /* These constants define the different elf file types */
 #define ET_NONE   0
 #define ET_REL    1
@@ -286,7 +308,7 @@ typedef struct elf64_phdr {
 #define SHN_COMMON      0xfff2
 #define SHN_HIRESERVE   0xffff
  
-typedef struct {
+typedef struct elf32_shdr {
   Elf32_Word    sh_name;
   Elf32_Word    sh_type;
   Elf32_Word    sh_flags;
@@ -349,7 +371,11 @@ typedef struct elf64_shdr {
 #define ELF_OSABI ELFOSABI_NONE
 #endif
 
-/* Notes used in ET_CORE */
+/*
+ * Notes used in ET_CORE. Architectures export some of the arch register sets
+ * using the corresponding note types via the PTRACE_GETREGSET and
+ * PTRACE_SETREGSET requests.
+ */
 #define NT_PRSTATUS     1
 #define NT_PRFPREG      2
 #define NT_PRPSINFO     3
@@ -361,7 +387,13 @@ typedef struct elf64_shdr {
 #define NT_PPC_VSX      0x102           /* PowerPC VSX registers */
 #define NT_386_TLS      0x200           /* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM   0x201           /* x86 io permission bitmap (1=deny) */
+#define NT_X86_XSTATE   0x202           /* x86 extended state using xsave */
 #define NT_S390_HIGH_GPRS       0x300   /* s390 upper register halves */
+#define NT_S390_TIMER   0x301           /* s390 timer register */
+#define NT_S390_TODCMP  0x302           /* s390 TOD clock comparator register */
+#define NT_S390_TODPREG 0x303           /* s390 TOD programmable register */
+#define NT_S390_CTRS    0x304           /* s390 control registers */
+#define NT_S390_PREFIX  0x305           /* s390 prefix register */
 
 
 /* Note header in a PT_NOTE section */
@@ -384,16 +416,20 @@ typedef struct elf64_note {
 extern Elf32_Dyn _DYNAMIC [];
 #define elfhdr          elf32_hdr
 #define elf_phdr        elf32_phdr
+#define elf_shdr        elf32_shdr
 #define elf_note        elf32_note
 #define elf_addr_t      Elf32_Off
+#define Elf_Half        Elf32_Half
 
 #else
 
 extern Elf64_Dyn _DYNAMIC [];
 #define elfhdr          elf64_hdr
 #define elf_phdr        elf64_phdr
+#define elf_shdr        elf64_shdr
 #define elf_note        elf64_note
 #define elf_addr_t      Elf64_Off
+#define Elf_Half        Elf64_Half
 
 #endif