Add AT_EXECPATH ELF auxinfo entry type. The value's a_ptr is a pointer

to the full path of the image that is being executed.
Increase AT_COUNT.

Remove no longer true comment about types used in Linux ELF binaries,
listed types contain FreeBSD-specific entries.

Reviewed by:	kan

8 files changed, 16 insertions, 26 deletions

diff --git a/sys/amd64/include/elf.h b/sys/amd64/include/elf.h
index a4c7f79..e5c95f7 100644
--- a/sys/amd64/include/elf.h
+++ b/sys/amd64/include/elf.h
@@ -81,16 +81,14 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused for i386). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 /*
  * Relocation types.
diff --git a/sys/arm/include/elf.h b/sys/arm/include/elf.h
index c516864..ee2843f 100644
--- a/sys/arm/include/elf.h
+++ b/sys/arm/include/elf.h
@@ -75,8 +75,9 @@ __ElfType(Auxinfo);
 #define AT_EUID         12      /* Effective uid. */
 #define AT_GID          13      /* Real gid. */
 #define AT_EGID         14      /* Effective gid. */
+#define	AT_EXECPATH	15	/* Path to the executable. */
 
-#define AT_COUNT        15      /* Count of defined aux entry types. */
+#define AT_COUNT        16      /* Count of defined aux entry types. */
 
 #define	R_ARM_COUNT		33	/* Count of defined relocation types. */
 
diff --git a/sys/i386/include/elf.h b/sys/i386/include/elf.h
index 1470173..af71ab8 100644
--- a/sys/i386/include/elf.h
+++ b/sys/i386/include/elf.h
@@ -84,16 +84,14 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused for i386). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 /*
  * Relocation types.
diff --git a/sys/ia64/include/elf.h b/sys/ia64/include/elf.h
index faab8d1..65802aa 100644
--- a/sys/ia64/include/elf.h
+++ b/sys/ia64/include/elf.h
@@ -82,16 +82,14 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused for i386). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 /*
  * Values for e_flags.
diff --git a/sys/mips/include/elf.h b/sys/mips/include/elf.h
index 6e48ec1..3a31daa 100644
--- a/sys/mips/include/elf.h
+++ b/sys/mips/include/elf.h
@@ -241,15 +241,13 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused for i386). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 #endif /* !_MACHINE_ELF_H_ */
diff --git a/sys/powerpc/include/elf.h b/sys/powerpc/include/elf.h
index 422a86a..1224fbb 100644
--- a/sys/powerpc/include/elf.h
+++ b/sys/powerpc/include/elf.h
@@ -77,8 +77,9 @@ __ElfType(Auxinfo);
 #define	AT_DCACHEBSIZE	10	/* Data cache block size for the processor. */
 #define	AT_ICACHEBSIZE	11	/* Instruction cache block size for the uP. */
 #define	AT_UCACHEBSIZE	12	/* Cache block size, or `0' if cache not unified. */
+#define	AT_EXECPATH	13	/* Path to the executable. */
 
-#define	AT_COUNT	13	/* Count of defined aux entry types. */
+#define	AT_COUNT	14	/* Count of defined aux entry types. */
 
 /*
  * Relocation types.
diff --git a/sys/sparc64/include/elf.h b/sys/sparc64/include/elf.h
index 108ade1..c0fcbee 100644
--- a/sys/sparc64/include/elf.h
+++ b/sys/sparc64/include/elf.h
@@ -78,16 +78,14 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 /* Define "machine" characteristics */
 #if __ELF_WORD_SIZE == 32
diff --git a/sys/sun4v/include/elf.h b/sys/sun4v/include/elf.h
index 108ade1..c0fcbee 100644
--- a/sys/sun4v/include/elf.h
+++ b/sys/sun4v/include/elf.h
@@ -78,16 +78,14 @@ __ElfType(Auxinfo);
 #define	AT_BASE		7	/* Interpreter's base address. */
 #define	AT_FLAGS	8	/* Flags (unused). */
 #define	AT_ENTRY	9	/* Where interpreter should transfer control. */
-/*
- * The following non-standard values are used in Linux ELF binaries.
- */
 #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_EXECPATH	15	/* Path to the executable. */
 
-#define	AT_COUNT	15	/* Count of defined aux entry types. */
+#define	AT_COUNT	16	/* Count of defined aux entry types. */
 
 /* Define "machine" characteristics */
 #if __ELF_WORD_SIZE == 32