On Fri, Jun 30, 2017 at 04:14:14PM +0300, Eugeniy Paltsev wrote:
> "sp" register is member of "scratch" structure (which is nested
> in user_regs_struct)
>
> Signed-off-by: Eugeniy Paltsev
> ---
> linux/arc/arch_regs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lin
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.
Dmitry V. Levin (13):
Move EM_HEXAGON to uapi/linux/elf-em.h
elf-em.h: add EM_ARC
elf-em.h: add
/developers/gabi/2012-12-31/ch4.eheader.html
Signed-off-by: Dmitry V. Levin
---
include/uapi/linux/elf-em.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
index ba3696e3d694..56ff3f9d9633 100644
--- a/include/uapi/linux/elf-em.h
+++ b
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
---
arch/arc/include/asm/syscall.h | 6 ++
include/uapi/linux
On Fri, Nov 09, 2018 at 04:41:36PM +, Vineet Gupta wrote:
> On 11/8/18 7:15 PM, Dmitry V. Levin wrote:
> > The uapi/linux/audit.h header is going to use EM_ARC in order
> > to define AUDIT_ARCH_ARC which is needed to implement
> > syscall_get_arch() which in turn is requi
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Signed-off-by: Dmitry V. Levin
---
v2: do not add EM_ARC, move EM_ARCOMPACT and EM_ARCV2 instead.
arch/arc/include/asm/elf.h | 6 +-
include/uapi/linux/elf-em.h | 2 ++
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch
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
---
v2: define AUDIT_ARCH_ARCOMPACT, AUDIT_ARCH_ARCOMPACTLE
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
---
v3: replaced #ifdefs with IS_ENABLED,
made LE as default, added
are.
Dmitry V. Levin (15):
Move EM_HEXAGON to uapi/linux/elf-em.h
Move EM_ARCOMPACT and EM_ARCV2 to uapi/linux/elf-em.h
Move EM_UNICORE to uapi/linux/elf-em.h
elf-em.h: add EM_NDS32
elf-em.h: add EM_XTENSA
m68k: define syscall_get_arch()
arc: define syscall_get_arch()
c6x: define
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Signed-off-by: Dmitry V. Levin
Acked-by: Vineet Gupta
---
v2: added Acked-by to [PATCH 02/13 v2]
arch/arc/include/asm/elf.h | 6 +-
include/uapi/linux/elf-em.h | 2 ++
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch
syscall_get_arch() is required to be implemented on all architectures
in order to extend the generic ptrace API with PTRACE_GET_SYSCALL_INFO
request.
Signed-off-by: Dmitry V. Levin
Acked-by: Vineet Gupta
---
v2: added Acked-by to [PATCH 06/13 v3]
arch/arc/include/asm/syscall.h | 10
: linuxppc-...@lists.ozlabs.org
Cc: nios2-...@lists.rocketboards.org
Cc: openr...@lists.librecores.org
Cc: sparcli...@vger.kernel.org
Cc: uclinux-h8-de...@lists.sourceforge.jp
Cc: x...@kernel.org
Signed-off-by: Dmitry V. Levin
---
arch/alpha/include/asm/syscall.h | 2 +-
arch/arc/include/asm/syscall.h
Hi Paul,
On Wed, Nov 21, 2018 at 06:40:06PM +, Paul Burton wrote:
> Hi Dmitry,
>
> On Wed, Nov 21, 2018 at 03:44:22AM +0300, Dmitry V. Levin wrote:
> > This argument is required to extend the generic ptrace API
> > with PTRACE_GET_SYSCALL_INFO request: syscall_get_
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linuxppc-...@lists.ozlabs.org
Cc: nios2-...@lists.rocketboards.org
Cc: openr...@lists.librecores.org
Cc: sparcli...@vger.kernel.org
Cc: uclinux-h8-de...@lists.sourceforge.jp
Cc: x...@kernel.org
Signed-off-by: Dmitry V. Levin
---
v2: clean
.
v2:
* Do not use task->ptrace.
* Replace entry_info.is_compat with entry_info.arch, use syscall_get_arch().
* Use addr argument of sys_ptrace to get expected size of the struct;
return full size of the struct.
Dmitry V. Levin (23):
alpha: define remaining syscall_g
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Vineet Gupta
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: linux-snps-arc@lists.infradead.org
Signed-off-by: Dmitry V. Levin
---
Notes:
v5: added Cc
v2: added
-by: Vineet Gupta
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: Paul Moore
Cc: Eric Paris
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v5: added Cc
v2: added
.@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v5: fixed asm-generic docs by reverting 1002d94d3
return full size of the struct.
Dmitry V. Levin (25):
asm-generic/syscall.h: prepare for inclusion by other files
asm-generic/syscall.h: turn syscall_[gs]et_arguments into wrappers
alpha: define remaining syscall_get_* functions
Move EM_ARCOMPACT and EM_ARCV2 to uapi/linux/elf-em.h
ar
-by: Vineet Gupta
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: Paul Moore
Cc: Eric Paris
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v6: unchanged
v5: added
abs.org
Cc: linux-ri...@lists.infradead.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v6:
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Vineet Gupta
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: linux-snps-arc@lists.infradead.org
Signed-off-by: Dmitry V. Levin
---
Notes:
v6: unchanged
v5
Hi,
On Thu, Dec 13, 2018 at 08:21:42PM +0300, Dmitry V. Levin wrote:
> These should never have been defined in the arch tree to begin with, and
> now uapi/linux/audit.h header is going to use EM_ARCOMPACT and EM_ARCV2
> in order to define AUDIT_ARCH_ARCOMPACT and AUDIT_ARCH_ARCV2
Hi,
On Thu, Dec 13, 2018 at 08:21:46PM +0300, Dmitry V. Levin wrote:
> syscall_get_arch() is required to be implemented on all architectures
> in addition to already implemented syscall_get_nr(),
> syscall_get_arguments(), syscall_get_error(), and
> syscall_get_return_value() functi
et_arch().
* Use addr argument of sys_ptrace to get expected size of the struct;
return full size of the struct.
Dmitry V. Levin (21):
asm-generic/syscall.h: prepare for inclusion by other files
asm-generic/syscall.h: turn syscall_[gs]et_arguments into wrappers
alpha: define remain
-by: Vineet Gupta
Acked-by: Paul Moore
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: Eric Paris
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v7: added Acked-by
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Vineet Gupta
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: Alexey Brodkin
Cc: linux-snps-arc@lists.infradead.org
Signed-off-by: Dmitry V. Levin
---
Notes:
v7: unchanged
v6
...@lists.ozlabs.org
Cc: linux-ri...@lists.infradead.org
Cc: linux-s...@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry
-by: Vineet Gupta
Acked-by: Paul Moore
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Alexey Brodkin
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
arch/arc/include/asm/syscall.h | 11
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Vineet Gupta
Acked-by: Paul Moore
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Alexey Brodkin
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V
.@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
arch/alpha/include/asm/syscall.h | 2 +-
arch/arc/include/asm/syscall.h
generic ptrace API with PTRACE_GET_SYSCALL_INFO request.
Acked-by: Vineet Gupta
Acked-by: Paul Moore
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Alexey Brodkin
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V
-by: Vineet Gupta
Acked-by: Paul Moore
Cc: Elvira Khabirova
Cc: Eugene Syromyatnikov
Cc: Alexey Brodkin
Cc: Oleg Nesterov
Cc: Andy Lutomirski
Cc: linux-snps-arc@lists.infradead.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v2: unchanged
arch/arc/include/asm
.@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@lists.infradead.org
Cc: linux-xte...@linux-xtensa.org
Cc: linux-a...@vger.kernel.org
Cc: linux-au...@redhat.com
Signed-off-by: Dmitry V. Levin
---
Notes:
v2: unchanged
arch/alpha/include/asm/syscall.h | 2 +-
arch/arc/i
ay, there are no users of syscall_set_arguments(). But we are told that
> there will be soon. But for now, at least make it consistent with
> syscall_get_arguments().
>
> Link: http://lkml.kernel.org/r/20190327222014.ga32...@altlinux.org
FWIW, you can add
Reviewed-by: Dmitry V. Levin
There
ent cases that are never used, simply rewrite it to return the first 6
> arguments of a system call.
>
> This should help out the performance of tracing system calls by ptrace,
> ftrace and perf.
>
> Link: http://lkml.kernel.org/r/20161107213233.754809...@goodmis.org
FWIW, you c
Hi,
On Wed, Jan 15, 2020 at 08:10:38PM +, Vineet Gupta wrote:
> Hi,
>
> I've been testing an in-works glibc port for ARC and with 2.31 there's a glibc
> change which seems to break strace.
>
> Commit d1e411e5c786ce3 "Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to
> sys/ptrace.h."
>
> This n
On Mon, Feb 22, 2021 at 06:37:54PM -0800, Vineet Gupta wrote:
> The syscall TRAP instruction used to be 4 bytes on legacy ARCompact
> based ARC700 cores. Since then ARCv2 (circa 2014) and the upcoming ARCv3
> use the same 2-byte TRAP_S instruction.
>
> To ease porting of software to new ISA, speci
On Wed, Apr 21, 2021 at 12:51:18PM -0700, Vineet Gupta wrote:
> This paves way for setting up arc64 software ecosystem.
>
> $ make check
> cd testsuite && bash config-guess.sh && rm uname
> PASS: config.guess checks (135 tests)
> cd testsuite && bash config-sub.sh
> PASS: config.sub checks (852 te
On Thu, Jun 03, 2021 at 09:01:25PM -0700, Vineet Gupta wrote:
> This is the 32-bit variant of ARCv3 ISA (which is not compatible with the
> 32-bit ARCv2 ISA)
>
> | make check
> | cd testsuite && bash config-guess.sh && rm uname
> | PASS: config.guess checks (136 tests)
> | cd testsuite && bash con
trace_syscall_info)).
[1] https://lore.kernel.org/all/59505464-c84a-403d-972f-d4b2055ee...@gmail.com/
Dmitry V. Levin (6):
Revert "arch: remove unused function syscall_set_arguments()"
syscall.h: add syscall_set_arguments() on remaining
HAVE_ARCH_TRACEHOOK arches
Add syscall_set_arguments() on those few HAVE_ARCH_TRACEHOOK
architectures that haven't provided it yet.
syscall_set_arguments() is going to be needed on all HAVE_ARCH_TRACEHOOK
architectures to implement PTRACE_SET_SYSCALL_INFO API.
Signed-off-by: Dmitry V. Levin
---
arch/arc/includ
.
Signed-off-by: Dmitry V. Levin
---
arch/arc/include/asm/syscall.h| 6 ++
arch/arm/include/asm/syscall.h| 12
arch/arm64/include/asm/syscall.h | 7 +++
arch/hexagon/include/asm/syscall.h| 7 +++
arch/loongarch/include/asm/syscall.h | 7
On Mon, Feb 03, 2025 at 10:29:37AM +0100, Alexander Gordeev wrote:
> On Mon, Feb 03, 2025 at 08:58:49AM +0200, Dmitry V. Levin wrote:
>
> Hi Dmitry,
>
> > PTRACE_SET_SYSCALL_INFO is a generic ptrace API that complements
> > PTRACE_GET_SYSCALL_INFO by letting the p
arguments() invocation in case of syscall number -1
in ptrace_set_syscall_info_entry()
* Split ptrace_syscall_info.reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info test
Dmitry V. Levin (
ned-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
---
arch/arc/include/asm/syscall.h| 14 +++
arch/arm/include/asm/syscall.h| 13 ++
arch/arm64/include/asm/syscall.h | 13 ++
arch/cs
.
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch/arm64/include/asm/syscall.h | 16
.
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch/arm64/include/asm/syscall.h | 16
arch/hexagon
ned-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
---
arch/arc/include/asm/syscall.h| 14 +++
arch/arm/include/asm/syscall.h| 13 ++
arch/arm64/include/asm/syscall.h | 13 ++
arch/csky/include/asm/syscall.h
ace_syscall_info.reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info test
v1:
Dmitry V. Levin (7):
mips: fix mips_get_syscall_arg() for o32
hexagon: add syscall_set_return_value()
syscall.h:
On Thu, Jan 30, 2025 at 09:33:03AM +0100, Sven Schnelle wrote:
> "Dmitry V. Levin" writes:
>
> > These functions are going to be needed on all HAVE_ARCH_TRACEHOOK
> > architectures to implement PTRACE_SET_SYSCALL_INFO API.
> >
> > This partially reverts c
On Fri, Jan 10, 2025 at 08:37:46AM +0100, Sven Schnelle wrote:
> "Dmitry V. Levin" writes:
>
> > Similar to syscall_set_arguments() that complements
> > syscall_get_arguments(), introduce syscall_set_nr()
> > that complements syscall_get_nr().
> >
> >
race_set_syscall_info_entry()
* Split ptrace_syscall_info.reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info test
Dmitry V. Levin (6):
mips: fix mips_get_syscall_arg() for o32
syscall.h: add sysca
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
---
arch/arc/include/asm/syscall.h| 14 +++
arch/arm/include/asm/syscall.h| 13 ++
arch/arm64/include/asm/syscall.h | 13 ++
arch/csky/include/asm/syscall.h
.
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch/arm64/include/asm/syscall.h | 16
arch/hexagon
On Tue, Jan 28, 2025 at 04:04:34PM +0100, Christophe Leroy wrote:
> Le 28/01/2025 à 10:16, Dmitry V. Levin a écrit :
> > These functions are going to be needed on all HAVE_ARCH_TRACEHOOK
> > architectures to implement PTRACE_SET_SYSCALL_INFO API.
>
> The
On Tue, Jan 28, 2025 at 04:13:52PM +0100, Christophe Leroy wrote:
> Le 28/01/2025 à 10:16, Dmitry V. Levin a écrit :
> > Similar to syscall_set_arguments() that complements
> > syscall_get_arguments(), introduce syscall_set_nr()
> > that complements syscall_get_nr().
> &g
l_info_entry()
* Skip syscall_set_arguments() invocation in case of syscall number -1
in ptrace_set_syscall_info_entry()
* Split ptrace_syscall_info.reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info
.
Signed-off-by: Dmitry V. Levin
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch/arm64/include/asm/syscall.h | 16
arch/hexagon/include/asm/syscall.h| 7 +++
arch/loongarch/include
Signed-off-by: Dmitry V. Levin
---
Note that I'm not a MIPS expert, I just added mips_set_syscall_arg() by
looking at mips_get_syscall_arg() and the result passes tests in qemu on
mips O32, mips64 O32, mips64 N32, and mips64 N64.
arch/arc/include/asm/syscall.h| 14 +++
arch/
On Thu, Jan 09, 2025 at 01:04:53PM +0100, Oleg Nesterov wrote:
> On 01/08, Dmitry V. Levin wrote:
> >
> > arch/arc/include/asm/syscall.h | 14 +
> > arch/arm/include/asm/syscall.h | 13
> > arch/arm64/include/asm/syscall.h | 13
.
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
Reviewed-by: Maciej W. Rozycki # mips
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch
ned-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
Reviewed-by: Maciej W. Rozycki # mips
---
arch/arc/include/asm/syscall.h| 14 +++
arch/arm/include/asm/syscall.h| 13 ++
arch/arm64/include/asm
reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info test
Dmitry V. Levin (6):
hexagon: add syscall_set_return_value()
syscall.h: add syscall_set_arguments()
syscall.h: introd
.
Signed-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
---
arch/arc/include/asm/syscall.h| 11 +++
arch/arm/include/asm/syscall.h| 24
arch/arm64/include/asm/syscall.h | 16
Split ptrace_syscall_info.reserved into ptrace_syscall_info.reserved
and ptrace_syscall_info.flags
* Use __kernel_ulong_t instead of unsigned long in set_syscall_info test
Dmitry V. Levin (6):
hexagon: add syscall_set_return_value()
syscall.h: add syscall_set_arguments()
syscal
ned-off-by: Dmitry V. Levin
Tested-by: Charlie Jenkins
Reviewed-by: Charlie Jenkins
Acked-by: Helge Deller # parisc
---
arch/arc/include/asm/syscall.h| 14 +++
arch/arm/include/asm/syscall.h| 13 ++
arch/arm64/include/asm/syscall.h | 13 ++
arch/cs
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