Add NT_VMCOREDD, AT_MINSIGSTKSZ from Linux 4.18 to elf.h
Commit Message
This patch adds two new constants from Linux 4.18 to elf.h,
NT_VMCOREDD and AT_MINSIGSTKSZ.
Tested for x86_64.
2018-08-15 Joseph Myers <joseph@codesourcery.com>
* elf/elf.c (NT_VMCOREDD): New macro.
(AT_MINSIGSTKSZ): Likewise.
Comments
Ping. This patch
<https://sourceware.org/ml/libc-alpha/2018-08/msg00315.html> is pending
review.
On 08/15/2018 06:52 PM, Joseph Myers wrote:
> 2018-08-15 Joseph Myers<joseph@codesourcery.com>
>
> * elf/elf.c (NT_VMCOREDD): New macro.
> (AT_MINSIGSTKSZ): Likewise.
I verified that the constants match the kernel settings. Looks good to me.
As an aside: AT_MINSIGSTKSZ should really be arch-independent because
x86 needs it as well (the signal stack usage varies wildly there as well).
Thanks,
Florian
On 15/08/2018 13:52, Joseph Myers wrote:
> This patch adds two new constants from Linux 4.18 to elf.h,
> NT_VMCOREDD and AT_MINSIGSTKSZ.
>
> Tested for x86_64.
>
> 2018-08-15 Joseph Myers <joseph@codesourcery.com>
>
> * elf/elf.c (NT_VMCOREDD): New macro.
> (AT_MINSIGSTKSZ): Likewise.
LGTM thanks.
>
> diff --git a/elf/elf.h b/elf/elf.h
> index 7e2b072..226e538 100644
> --- a/elf/elf.h
> +++ b/elf/elf.h
> @@ -808,6 +808,7 @@ typedef struct
> #define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
> #define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension
> registers */
> +#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */
>
> /* Legal values for the note segment descriptor types for object files. */
>
> @@ -1214,6 +1215,9 @@ typedef struct
> #define AT_L3_CACHESIZE 46
> #define AT_L3_CACHEGEOMETRY 47
>
> +#define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery
> + (AArch64). */
> +
> /* Note section contents. Each entry in the note section begins with
> a header of a fixed form. */
>
>
@@ -808,6 +808,7 @@ typedef struct
#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension
registers */
+#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */
/* Legal values for the note segment descriptor types for object files. */
@@ -1214,6 +1215,9 @@ typedef struct
#define AT_L3_CACHESIZE 46
#define AT_L3_CACHEGEOMETRY 47
+#define AT_MINSIGSTKSZ 51 /* Stack needed for signal delivery
+ (AArch64). */
+
/* Note section contents. Each entry in the note section begins with
a header of a fixed form. */