linux-kernel - [PATCH 14/13] Move EM_UNICORE to uapi/linux/elf-em.h

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Message-ID: <20181110140933.GA12698@altlinux.org>
Date:   Sat, 10 Nov 2018 17:09:33 +0300
From:   "Dmitry V. Levin" <ldv@...linux.org>
To:     Andy Lutomirski <luto@...nel.org>, Guan Xuetao <gxt@....edu.cn>
Cc:     Elvira Khabirova <lineprinter@...linux.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 14/13] Move EM_UNICORE to uapi/linux/elf-em.h

This should never have been defined in the arch tree to begin with,
and now uapi/linux/audit.h header is going to use EM_UNICORE
in order to define AUDIT_ARCH_UNICORE which is needed to implement
syscall_get_arch() which in turn is required to extend
the generic ptrace API with PTRACE_GET_SYSCALL_INFO request.

Signed-off-by: Dmitry V. Levin <ldv@...linux.org>
---
Apparently, we need to implement syscall_get_arch() on all architectures
where linux/tracehook.h is compiled, not just those that use
tracehook_report_syscall_entry().
This adds one more architecture to the initial list of 9 architectures
where syscall_get_arch() has to be implemented.

 arch/unicore32/include/asm/elf.h | 3 +--
 include/uapi/linux/elf-em.h      | 1 +
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/unicore32/include/asm/elf.h b/arch/unicore32/include/asm/elf.h
index 829042d07722..ae66dc1be49e 100644
--- a/arch/unicore32/include/asm/elf.h
+++ b/arch/unicore32/include/asm/elf.h
@@ -19,6 +19,7 @@
  * ELF register definitions..
  */
 #include <asm/ptrace.h>
+#include <linux/elf-em.h>
 
 typedef unsigned long elf_greg_t;
 typedef unsigned long elf_freg_t[3];
@@ -28,8 +29,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
 typedef struct fp_state elf_fpregset_t;
 
-#define EM_UNICORE		110
-
 #define R_UNICORE_NONE		0
 #define R_UNICORE_PC24		1
 #define R_UNICORE_ABS32		2
diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
index 4b81fc1a949a..7b02cf339d8f 100644
--- a/include/uapi/linux/elf-em.h
+++ b/include/uapi/linux/elf-em.h
@@ -37,6 +37,7 @@
 #define EM_ARCOMPACT	93	/* ARCompact processor */
 #define EM_XTENSA	94	/* Tensilica Xtensa Architecture */
 #define EM_BLACKFIN     106     /* ADI Blackfin Processor */
+#define EM_UNICORE	110	/* UniCore-32 */
 #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */
 #define EM_TI_C6000	140	/* TI C6X DSPs */
 #define EM_HEXAGON	164	/* QUALCOMM Hexagon */
-- 
ldv