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authorRoland McGrath <roland@gnu.org>2007-07-10 00:39:26 +0000
committerRoland McGrath <roland@gnu.org>2007-07-10 00:39:26 +0000
commit57b5b34ccadbdfe3d63703f44f95f95273f5d47e (patch)
tree20ccd2192f2af4952576ab69900aaac78823b893 /elf
parent8c1dcd265d9c66fdfdd0689289d3787f126dc37c (diff)
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2007-07-09 Roland McGrath <roland@redhat.com>
* elf/elf.h (NT_GNU_ABI_TAG): New macro. (ELF_NOTE_ABI): Use it. (NT_GNU_HWCAP, NT_GNU_BUILD_ID): New macros.
Diffstat (limited to 'elf')
-rw-r--r--elf/elf.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/elf/elf.h b/elf/elf.h
index 6c2d54c..6cc547e 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -602,8 +602,8 @@ typedef struct
#define NT_UTSNAME 15 /* Contains copy of utsname struct */
#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */
#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */
-#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct*/
-#define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct*/
+#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */
+#define NT_PRXFPREG 0x46e62b7f /* Contains copy of user_fxsr_struct */
/* Legal values for the note segment descriptor types for object files. */
@@ -1017,15 +1017,28 @@ typedef struct
word 2: minor version of the ABI
word 3: subminor version of the ABI
*/
-#define ELF_NOTE_ABI 1
+#define NT_GNU_ABI_TAG 1
+#define ELF_NOTE_ABI NT_GNU_ABI_TAG /* Old name. */
-/* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI
- note section entry. */
+/* Known OSes. These values can appear in word 0 of an
+ NT_GNU_ABI_TAG note section entry. */
#define ELF_NOTE_OS_LINUX 0
#define ELF_NOTE_OS_GNU 1
#define ELF_NOTE_OS_SOLARIS2 2
#define ELF_NOTE_OS_FREEBSD 3
+/* Synthetic hwcap information. The descriptor begins with two words:
+ word 0: number of entries
+ word 1: bitmask of enabled entries
+ Then follow variable-length entries, one byte followed by a
+ '\0'-terminated hwcap name string. The byte gives the bit
+ number to test if enabled, (1U << bit) & bitmask. */
+#define NT_GNU_HWCAP 2
+
+/* Build ID bits as generated by ld --build-id.
+ The descriptor consists of any nonzero number of bytes. */
+#define NT_GNU_BUILD_ID 3
+
/* Move records. */
typedef struct