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| author | Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:03 -0700 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:40 -0700 |
| commit | 810bab448e563ffd1718d78e9a3756806b626acc (patch) | |
| tree | 238983d8120772f81b5d6fd74f570608c7d53663 | |
| parent | 86313c488a6848b7ec2ba04e74f25f79dd32a0b7 (diff) | |
| download | op-kernel-dev-810bab448e563ffd1718d78e9a3756806b626acc.zip op-kernel-dev-810bab448e563ffd1718d78e9a3756806b626acc.tar.gz | |
use elfnote.h to generate vsyscall notes.
Use existing elfnote.h to generate vsyscall notes, rather than doing
it locally. Changes elfnote.h a bit to suit, since this is the first
asm user, and it wasn't quite right.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.com>
| -rw-r--r-- | arch/i386/kernel/vsyscall-note.S | 23 | ||||
| -rw-r--r-- | include/linux/elfnote.h | 22 |
2 files changed, 21 insertions, 24 deletions
diff --git a/arch/i386/kernel/vsyscall-note.S b/arch/i386/kernel/vsyscall-note.S index d4b5be4..52e0cbb 100644 --- a/arch/i386/kernel/vsyscall-note.S +++ b/arch/i386/kernel/vsyscall-note.S @@ -3,23 +3,12 @@ * Here we can supply some information useful to userland. */ -#include <linux/uts.h> #include <linux/version.h> +#include <linux/elfnote.h> -#define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type) \ - .section name, flags; \ - .balign 4; \ - .long 1f - 0f; /* name length */ \ - .long 3f - 2f; /* data length */ \ - .long type; /* note type */ \ -0: .asciz vendor; /* vendor name */ \ -1: .balign 4; \ -2: - -#define ASM_ELF_NOTE_END \ -3: .balign 4; /* pad out section */ \ - .previous - - ASM_ELF_NOTE_BEGIN(".note.kernel-version", "a", UTS_SYSNAME, 0) +/* Ideally this would use UTS_NAME, but using a quoted string here + doesn't work. Remember to change this when changing the + kernel's name. */ +ELFNOTE_START(Linux, 0, "a") .long LINUX_VERSION_CODE - ASM_ELF_NOTE_END +ELFNOTE_END diff --git a/include/linux/elfnote.h b/include/linux/elfnote.h index 9a1e067..e831759 100644 --- a/include/linux/elfnote.h +++ b/include/linux/elfnote.h @@ -38,17 +38,25 @@ * e.g. ELFNOTE(XYZCo, 42, .asciz, "forty-two") * ELFNOTE(XYZCo, 12, .long, 0xdeadbeef) */ -#define ELFNOTE(name, type, desctype, descdata) \ -.pushsection .note.name, "",@note ; \ - .align 4 ; \ +#define ELFNOTE_START(name, type, flags) \ +.pushsection .note.name, flags,@note ; \ + .balign 4 ; \ .long 2f - 1f /* namesz */ ; \ - .long 4f - 3f /* descsz */ ; \ + .long 4484f - 3f /* descsz */ ; \ .long type ; \ 1:.asciz #name ; \ -2:.align 4 ; \ -3:desctype descdata ; \ -4:.align 4 ; \ +2:.balign 4 ; \ +3: + +#define ELFNOTE_END \ +4484:.balign 4 ; \ .popsection ; + +#define ELFNOTE(name, type, desc) \ + ELFNOTE_START(name, type, "") \ + desc ; \ + ELFNOTE_END + #else /* !__ASSEMBLER__ */ #include <linux/elf.h> /* |
