From: Dmitry V. Levin <ldv@altlinux.org>
Date: Mon, 6 May 2013 23:34:03 +0000 (+0000)
Subject: linux/syscall.h: make subcall decoding configuration more readable
X-Git-Tag: v4.8~37
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=828bbd846ef26894b5b9f9e25d7cf302e895d2a2;p=strace

linux/syscall.h: make subcall decoding configuration more readable

* linux/syscall.h: Inverse and sort the subcall ifdef,
add a comment why subcall decoding support is not enabled
on some architectures.
---

diff --git a/linux/syscall.h b/linux/syscall.h
index 878732da..5247df4a 100644
--- a/linux/syscall.h
+++ b/linux/syscall.h
@@ -313,14 +313,20 @@ int sys_osf_utimes();
 int sys_osf_wait4();
 #endif
 
-#if !defined(ALPHA) \
- && !defined(MIPS) \
- && !defined(HPPA) \
- && !defined(__ARM_EABI__) \
- && !defined(BFIN) \
- && !defined(TILE) \
- && !defined(XTENSA)
-# if defined(SPARC) || defined(SPARC64)
+#if defined ALPHA \
+ || defined __ARM_EABI__ \
+ || defined BFIN \
+ || defined HPPA \
+ || defined MIPS \
+ || defined TILE \
+ || defined XTENSA
+/*
+ * This architecture does not have a socketcall or ipc subcall,
+ * it has dedicated syscalls instead, so there is no need
+ * to implement socket or ipc subcall decoding.
+ */
+#else
+# if defined SPARC || defined SPARC64
 #  define SYS_socket_subcall	353
 # else
 #  define SYS_socket_subcall	400