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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/h8300/include/asm/syscall.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/h8300/include/asm/syscall.h')
-rw-r--r--arch/h8300/include/asm/syscall.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/h8300/include/asm/syscall.h b/arch/h8300/include/asm/syscall.h
new file mode 100644
index 000000000..924990401
--- /dev/null
+++ b/arch/h8300/include/asm/syscall.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_H8300_SYSCALLS_32_H
+#define __ASM_H8300_SYSCALLS_32_H
+
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+
+static inline int
+syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+{
+ return regs->orig_er0;
+}
+
+static inline void
+syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
+ unsigned int i, unsigned int n, unsigned long *args)
+{
+ BUG_ON(i + n > 6);
+
+ while (n > 0) {
+ switch (i) {
+ case 0:
+ *args++ = regs->er1;
+ break;
+ case 1:
+ *args++ = regs->er2;
+ break;
+ case 2:
+ *args++ = regs->er3;
+ break;
+ case 3:
+ *args++ = regs->er4;
+ break;
+ case 4:
+ *args++ = regs->er5;
+ break;
+ case 5:
+ *args++ = regs->er6;
+ break;
+ }
+ i++;
+ n--;
+ }
+}
+
+
+
+/* Misc syscall related bits */
+asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
+asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_H8300_SYSCALLS_32_H */