[lkml]   [2016]   [Apr]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH 08/25] arm64: ilp32: add documentation on the ILP32 ABI for ARM64
Based on Andrew Pinski's patch-series.

Signed-off-by: Yury Norov <>
Documentation/arm64/ilp32.txt | 13 +++++++++++++
1 file changed, 13 insertions(+)
create mode 100644 Documentation/arm64/ilp32.txt

diff --git a/Documentation/arm64/ilp32.txt b/Documentation/arm64/ilp32.txt
new file mode 100644
index 0000000..15b5c83
--- /dev/null
+++ b/Documentation/arm64/ilp32.txt
@@ -0,0 +1,13 @@
+This document describes the ILP32 syscall ABI and where it differs
+from the generic compat linux syscall interface.
+Syscalls which normally would pass 64bit values as two arguments;
+now pass the 64bit value as one argument.
+struct rt_sigframe is redefined and contains struct compat_siginfo,
+as compat syscalls expects, and struct ilp32_sigframe, to handle
+AARCH64 register set and 32-bit userspace register representation.
 \ /
  Last update: 2016-04-06 00:41    [W:0.475 / U:0.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site