2003-05-15 Roland McGrath <roland@redhat.com>

* common.h (NT_AUXV, AT_*): New macros.
	* external.h (Elf32_External_Auxv, Elf64_External_Auxv): New types.
	* internal.h (Elf_Internal_Auxv): New type.

include/elf/common.h

@@ -253,7 +253,7 @@
 #define EM_CYGNUS_FRV		0x5441
 
 /* Ubicom IP2xxx; no ABI */
-#define EM_IP2K_OLD		0x8217	
+#define EM_IP2K_OLD		0x8217
 
 /* MSP430 magic number
       Written in the absense everything.  */
@@ -364,6 +364,7 @@
 #define NT_FPREGSET	2		/* Contains copy of fpregset struct */
 #define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */
 #define NT_TASKSTRUCT	4		/* Contains copy of task struct */
+#define NT_AUXV		6		/* Contains copy of Elfxx_auxv_t */
 #define NT_PRXFPREG	0x46e62b7f	/* Contains a user_xfpregs_struct; */
 					/*   note name must be "LINUX".  */
 
@@ -471,7 +472,7 @@
 
 /* The following constants control how a symbol may be accessed once it has
    become part of an executable or shared library.  */
-					   
+
 #define STV_DEFAULT	0		/* Visibility is specified by binding type */
 #define STV_INTERNAL	1		/* OS specific version of STV_HIDDEN */
 #define STV_HIDDEN	2		/* Can only be seen inside currect component */
@@ -687,4 +688,35 @@
 
 #define GRP_COMDAT		0x1	/* A COMDAT group */
 
+/* Auxv a_type values.  */
+
+#define AT_NULL		0		/* End of vector */
+#define AT_IGNORE	1		/* Entry should be ignored */
+#define AT_EXECFD	2		/* File descriptor of program */
+#define AT_PHDR		3		/* Program headers for program */
+#define AT_PHENT	4		/* Size of program header entry */
+#define AT_PHNUM	5		/* Number of program headers */
+#define AT_PAGESZ	6		/* System page size */
+#define AT_BASE		7		/* Base address of interpreter */
+#define AT_FLAGS	8		/* Flags */
+#define AT_ENTRY	9		/* Entry point of program */
+#define AT_NOTELF	10		/* Program is not ELF */
+#define AT_UID		11		/* Real uid */
+#define AT_EUID		12		/* Effective uid */
+#define AT_GID		13		/* Real gid */
+#define AT_EGID		14		/* Effective gid */
+#define AT_CLKTCK	17		/* Frequency of times() */
+#define AT_PLATFORM	15		/* String identifying platform.  */
+#define AT_HWCAP	16		/* Machine dependent hints about
+					   processor capabilities.  */
+#define AT_FPUCW	18		/* Used FPU control word.  */
+#define AT_DCACHEBSIZE	19		/* Data cache block size.  */
+#define AT_ICACHEBSIZE	20		/* Instruction cache block size.  */
+#define AT_UCACHEBSIZE	21		/* Unified cache block size.  */
+#define AT_IGNOREPPC	22		/* Entry should be ignored */
+/* Pointer to the global system page used for system calls and other
+   nice things.  */
+#define AT_SYSINFO	32
+#define AT_SYSINFO_EHDR	33
+
 #endif /* _ELF_COMMON_H */

include/elf/external.h

@@ -258,4 +258,19 @@ typedef struct
   unsigned char		si_flags[2];
 } Elf_External_Syminfo;
 
+
+/* This structure appears on the stack and in NT_AUXV core file notes.  */
+typedef struct
+{
+  unsigned char		a_type[4];
+  unsigned char		a_val[4];
+} Elf32_External_Auxv;
+
+typedef struct
+{
+  unsigned char		a_type[8];
+  unsigned char		a_val[8];
+} Elf64_External_Auxv;
+
+
 #endif /* _ELF_EXTERNAL_H */

include/elf/internal.h

@@ -214,6 +214,13 @@ typedef struct
   unsigned short int	si_flags;
 } Elf_Internal_Syminfo;
 
+/* This structure appears on the stack and in NT_AUXV core file notes.  */
+typedef struct
+{
+  bfd_vma a_type;
+  bfd_vma a_val;
+} Elf_Internal_Auxv;
+
 
 /* This structure is used to describe how sections should be assigned
    to program segments.  */