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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 15:17:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 15:17:34 -0800 |
| commit | eb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f (patch) | |
| tree | e77cab319e261dac7d074cdee8494b1464f1de7f /arch/m68k/include/asm/syscall.h | |
| parent | Merge tag 's390-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/... (diff) | |
| parent | m68k: /proc/hardware should depend on PROC_FS (diff) | |
| download | linux-eb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f.tar.gz linux-eb6d5bbea2fbfaade9e29bf5ce4abe3a8384678f.zip | |
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.h | 57 |
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, ®s->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(®s->d1, args, 5 * sizeof(args[0])); +} + static inline int syscall_get_arch(struct task_struct *task) { return AUDIT_ARCH_M68K; |
