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-rw-r--r--include/linux/elf.h40
1 files changed, 38 insertions, 2 deletions
diff --git a/include/linux/elf.h b/include/linux/elf.h
index 0cc4d55151b..59785841805 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