[PATCH 09/13] hexagon: define syscall_get_arch()

Dmitry V. Levin
2018-11-09T03:16:36Z

syscall_get_arch() is required to be implemented on all architectures
that use tracehook_report_syscall_entry() in order to extend
the generic ptrace API with PTRACE_GET_SYSCALL_INFO request.

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
---
arch/hexagon/include/asm/syscall.h | 8 ++++++++
include/uapi/linux/audit.h | 1 +
2 files changed, 9 insertions(+)

diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h
index 4af9c7b6f13a..de3917aad3fd 100644
--- a/arch/hexagon/include/asm/syscall.h
+++ b/arch/hexagon/include/asm/syscall.h
@@ -21,6 +21,8 @@
#ifndef _ASM_HEXAGON_SYSCALL_H
#define _ASM_HEXAGON_SYSCALL_H

+#include <uapi/linux/audit.h>
+
typedef long (*syscall_fn)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
@@ -43,4 +45,10 @@ static inline void syscall_get_arguments(struct task_struct *task,
BUG_ON(i + n > 6);
memcpy(args, &(&regs->r00)[i], n * sizeof(args[0]));
}
+
+static inline int syscall_get_arch(void)
+{
+ return AUDIT_ARCH_HEXAGON;
+}
+
#endif
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 2319283f00e5..d5a4f623e47e 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -382,6 +382,7 @@ enum {
#define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_FRV (EM_FRV)
#define AUDIT_ARCH_H8300 (EM_H8_300)
+#define AUDIT_ARCH_HEXAGON (EM_HEXAGON)
#define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
#define AUDIT_ARCH_M32R (EM_M32R)
--
ldv