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authorLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 15:17:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-02-21 15:17:34 -0800
commiteb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f (patch)
treee77cab319e261dac7d074cdee8494b1464f1de7f /arch/m68k/include/asm/syscall.h
parentMerge tag 's390-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/... (diff)
parentm68k: /proc/hardware should depend on PROC_FS (diff)
downloadlinux-eb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f.tar.gz
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Merge tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven: - Add seccomp support - defconfig updates - Miscellaneous fixes and improvements * tag 'm68k-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: /proc/hardware should depend on PROC_FS selftests/seccomp: Add m68k support m68k: Add kernel seccomp support m68k: Check syscall_trace_enter() return code m68k: defconfig: Update defconfigs for v6.2-rc3 m68k: q40: Do not initialise statics to 0
Diffstat (limited to 'arch/m68k/include/asm/syscall.h')
-rw-r--r--arch/m68k/include/asm/syscall.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/syscall.h b/arch/m68k/include/asm/syscall.h
index 465ac039be09..d1453e850cdd 100644
--- a/arch/m68k/include/asm/syscall.h
+++ b/arch/m68k/include/asm/syscall.h
@@ -4,6 +4,63 @@
#include <uapi/linux/audit.h>
+#include <asm/unistd.h>
+
+extern const unsigned long sys_call_table[];
+
+static inline int syscall_get_nr(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->orig_d0;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ regs->d0 = regs->orig_d0;
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ unsigned long error = regs->d0;
+
+ return IS_ERR_VALUE(error) ? error : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->d0;
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+ struct pt_regs *regs,
+ int error, long val)
+{
+ regs->d0 = (long)error ?: val;
+}
+
+static inline void syscall_get_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ args[0] = regs->orig_d0;
+ args++;
+
+ memcpy(args, &regs->d1, 5 * sizeof(args[0]));
+}
+
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ regs->orig_d0 = args[0];
+ args++;
+
+ memcpy(&regs->d1, args, 5 * sizeof(args[0]));
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_M68K;