| Message ID | 20190228193855.GA13217@altlinux.org (mailing list archive) |
|---|---|
| State | Awaiting Upstream, archived |
| Headers | show |
| Series | None | expand |
On 28.02.19 20:38, Dmitry V. Levin wrote: > syscall_get_error() is required to be implemented on all > architectures in addition to already implemented syscall_get_nr(), > syscall_get_arguments(), syscall_get_return_value(), and > syscall_get_arch() functions in order to extend the generic > ptrace API with PTRACE_GET_SYSCALL_INFO request. > > Cc: Helge Deller <deller@gmx.de> > Cc: James E.J. Bottomley <jejb@parisc-linux.org> > Cc: Oleg Nesterov <oleg@redhat.com> > Cc: Andy Lutomirski <luto@kernel.org> > Cc: Elvira Khabirova <lineprinter@altlinux.org> > Cc: Eugene Syromyatnikov <esyr@redhat.com> > Cc: linux-parisc@vger.kernel.org > Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Acked-by: Helge Deller <deller@gmx.de> # parisc Helge > --- > > This is just a gentle ping, the patch is unchanged. > > Notes: > v7: unchanged > v6: unchanged > v5: initial revision > > arch/parisc/include/asm/syscall.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h > index 8bff1a58c97f..477511ff7546 100644 > --- a/arch/parisc/include/asm/syscall.h > +++ b/arch/parisc/include/asm/syscall.h > @@ -43,6 +43,13 @@ static inline void syscall_get_arguments(struct task_struct *tsk, > } > } > > +static inline long syscall_get_error(struct task_struct *task, > + struct pt_regs *regs) > +{ > + unsigned long error = regs->gr[28]; > + return IS_ERR_VALUE(error) ? error : 0; > +} > + > static inline long syscall_get_return_value(struct task_struct *task, > struct pt_regs *regs) > { >
diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h index 8bff1a58c97f..477511ff7546 100644 --- a/arch/parisc/include/asm/syscall.h +++ b/arch/parisc/include/asm/syscall.h @@ -43,6 +43,13 @@ static inline void syscall_get_arguments(struct task_struct *tsk, } } +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->gr[28]; + return IS_ERR_VALUE(error) ? error : 0; +} + static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) {
syscall_get_error() is required to be implemented on all architectures in addition to already implemented syscall_get_nr(), syscall_get_arguments(), syscall_get_return_value(), and syscall_get_arch() functions in order to extend the generic ptrace API with PTRACE_GET_SYSCALL_INFO request. Cc: Helge Deller <deller@gmx.de> Cc: James E.J. Bottomley <jejb@parisc-linux.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Elvira Khabirova <lineprinter@altlinux.org> Cc: Eugene Syromyatnikov <esyr@redhat.com> Cc: linux-parisc@vger.kernel.org Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> --- This is just a gentle ping, the patch is unchanged. Notes: v7: unchanged v6: unchanged v5: initial revision arch/parisc/include/asm/syscall.h | 7 +++++++ 1 file changed, 7 insertions(+)