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PATCH COMMITTED: Define note constants in elfcpp
- From: Ian Lance Taylor <iant at google dot com>
- To: binutils at sourceware dot org
- Date: 2008年3月24日 22:00:51 -0700
- Subject: PATCH COMMITTED: Define note constants in elfcpp
I committed this patch to define various constants associated with
notes in elfcpp.
Ian
2008年03月24日 Ian Lance Taylor <iant@google.com>
* elfcpp.h (NT_VERSION, NT_ARCH): Define as enum constants.
(NT_GNU_ABI_TAG, NT_GNU_HWCAP): Likewise.
(NT_GNU_BUILD_ID, NT_GNU_GOLD_VERSION): Likewise.
(ELF_NOTE_OS_LINUX, ELF_NOTE_OS_GNU): Likewise.
(ELF_NOTE_OS_SOLARIS2, ELF_NOTE_OS_NETBSD): Likewise.
(ELF_NOTE_OS_SYLLABLE): Likewise.
Index: elfcpp/elfcpp.h
===================================================================
RCS file: /cvs/src/src/elfcpp/elfcpp.h,v
retrieving revision 1.14
diff -u -r1.14 elfcpp.h
--- elfcpp/elfcpp.h 6 Mar 2008 00:15:04 -0000 1.14
+++ elfcpp/elfcpp.h 25 Mar 2008 04:58:38 -0000
@@ -694,6 +694,54 @@
const int VERSYM_VERSION = 0x7fff;
+// Note descriptor type codes for notes in a non-core file with an
+// empty name.
+
+enum
+{
+ // A version string.
+ NT_VERSION = 1,
+ // An architecture string.
+ NT_ARCH = 2
+};
+
+// Note descriptor type codes for notes in a non-core file with the
+// name "GNU".
+
+enum
+{
+ // The minimum ABI level. This is used by the dynamic linker to
+ // describe the minimal kernel version on which a shared library may
+ // be used. Th value should be four words. Word 0 is an OS
+ // descriptor (see below). Word 1 is the major version of the ABI.
+ // Word 2 is the minor version. Word 3 is the subminor version.
+ NT_GNU_ABI_TAG = 1,
+ // Hardware capabilities information. Word 0 is the number of
+ // entries. Word 1 is a bitmask of enabled entries. The rest of
+ // the descriptor is a series of entries, where each entry is a
+ // single byte followed by a nul terminated string. The byte gives
+ // the bit number to test if enabled in the bitmask.
+ NT_GNU_HWCAP = 2,
+ // The build ID as set by the linker's --build-id option. The
+ // format of the descriptor depends on the build ID style.
+ NT_GNU_BUILD_ID = 3,
+ // The version of gold used to link. Th descriptor is just a
+ // string.
+ NT_GNU_GOLD_VERSION = 4
+};
+
+// The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
+
+enum
+{
+ ELF_NOTE_OS_LINUX = 0,
+ ELF_NOTE_OS_GNU = 1,
+ ELF_NOTE_OS_SOLARIS2 = 2,
+ ELF_NOTE_OS_FREEBSD = 3,
+ ELF_NOTE_OS_NETBSD = 4,
+ ELF_NOTE_OS_SYLLABLE = 5
+};
+
} // End namespace elfcpp.
// Include internal details after defining the types.