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getauxval.3: MIPS, AT_BASE_PLATFORM passes ISA level 

Since Linux 5.7, on MIPS, we use AT_BASE_PLATFORM to pass ISA level.
The values may be:
  mips2, mips3, mips4, mips5,
  mips32, mips32r2, mips32r6,
  mips64, mips64r2, mips64r6.

This behavior is different with PowerPC.

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e585b768da111f2c2d413de6214e83bbdfee8f22
Signed-off-by: YunQiang Su <syq@debian.org>

----
v1 -> v2: fix typo

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
YunQiang Su 2020-03-22 17:55:27 +08:00 committed by Michael Kerrisk
parent 34451e6ee4
commit 685385df91
1 changed files with 4 additions and 3 deletions
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man3/getauxval.3
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@ -60,9 +60,10 @@ values are present on all architectures.
The base address of the program interpreter (usually, the dynamic linker).
.TP
.BR AT_BASE_PLATFORM
A pointer to a string identifying the real platform; may differ from
.BR AT_PLATFORM
(PowerPC only).
A pointer to a string (PowerPC and MIPS only).
On PowerPC, this identifies the real platform; may differ from
.BR AT_PLATFORM "."
On MIPS, this identifies the ISA level (Since 5.7).
.TP
.BR AT_CLKTCK
The frequency with which