Merge branch 'perf-fixes-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel...

[safe/jmp/linux-2.6] / include / linux / elf.h

diff --git a/include/linux/elf.h b/include/linux/elf.h
index 8b17ffe..4d60801 100644 (file)
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -2,9 +2,10 @@
 #define _LINUX_ELF_H
 
 #include <linux/types.h>
-#include <linux/auxvec.h>
 #include <linux/elf-em.h>
+#ifdef __KERNEL__
 #include <asm/elf.h>
+#endif
 
 struct file;
 
@@ -49,6 +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
@@ -207,7 +230,7 @@ typedef struct elf32_hdr{
 } Elf32_Ehdr;
 
 typedef struct elf64_hdr {
-  unsigned char        e_ident[16];            /* ELF "magic number" */
+  unsigned char        e_ident[EI_NIDENT];     /* ELF "magic number" */
   Elf64_Half e_type;
   Elf64_Half e_machine;
   Elf64_Word e_version;
@@ -285,7 +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;
@@ -348,13 +371,30 @@ 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
 #define NT_TASKSTRUCT  4
 #define NT_AUXV                6
 #define NT_PRXFPREG     0x46e62b7f      /* copied from gdb5.1/include/elf/common.h */
+#define NT_PPC_VMX     0x100           /* PowerPC Altivec/VMX registers */
+#define NT_PPC_SPE     0x101           /* PowerPC SPE/EVR registers */
+#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 */
+#define NT_S390_LAST_BREAK     0x306   /* s390 breaking event address */
 
 
 /* Note header in a PT_NOTE section */
@@ -371,30 +411,37 @@ typedef struct elf64_note {
   Elf64_Word n_type;   /* Content type */
 } Elf64_Nhdr;
 
+#ifdef __KERNEL__
 #if ELF_CLASS == ELFCLASS32
 
 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
 
+/* Optional callbacks to write extra ELF notes. */
 #ifndef ARCH_HAVE_EXTRA_ELF_NOTES
-static inline int arch_notes_size(void) { return 0; }
-static inline void arch_write_notes(struct file *file) { }
-
-#define ELF_CORE_EXTRA_NOTES_SIZE arch_notes_size()
-#define ELF_CORE_WRITE_EXTRA_NOTES arch_write_notes(file)
-#endif /* ARCH_HAVE_EXTRA_ELF_NOTES */
-
+static inline int elf_coredump_extra_notes_size(void) { return 0; }
+static inline int elf_coredump_extra_notes_write(struct file *file,
+                       loff_t *foffset) { return 0; }
+#else
+extern int elf_coredump_extra_notes_size(void);
+extern int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset);
+#endif
+#endif /* __KERNEL__ */
 #endif /* _LINUX_ELF_H */