From: Yury Norov <ynorov@caviumnetworks.com> To: <arnd@arndb.de>, <catalin.marinas@arm.com>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org> Cc: <ynorov@caviumnetworks.com>, <pinskia@gmail.com>, <Prasun.Kapoor@caviumnetworks.com>, <schwab@suse.de>, <Nathan_Lynch@mentor.com>, <agraf@suse.de>, <klimov.linux@gmail.com>, <broonie@kernel.org>, <jan.dakinevich@gmail.com>, <ddaney.cavm@gmail.com>, <bamvor.zhangjian@huawei.com>, <philipp.tomsich@theobroma-systems.com>, <joseph@codesourcery.com>, <christoph.muellner@theobroma-systems.com> Subject: [PATCH v6 13/21] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Date: Fri, 8 Jan 2016 02:34:31 +0300 [thread overview] Message-ID: <1452209679-19445-14-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1452209679-19445-1-git-send-email-ynorov@caviumnetworks.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> --- arch/arm64/kernel/ptrace.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index c166548..f95fb89 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -1108,7 +1108,7 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, } #endif /* CONFIG_HAVE_HW_BREAKPOINT */ -long compat_arch_ptrace(struct task_struct *child, compat_long_t request, +long compat_a32_ptrace(struct task_struct *child, compat_long_t request, compat_ulong_t caddr, compat_ulong_t cdata) { unsigned long addr = caddr; @@ -1185,8 +1185,25 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, return ret; } +#else + +#define compat_a32_ptrace(child, request, caddr, cdata) (-1) + #endif /* CONFIG_AARCH32_EL0 */ +#ifdef CONFIG_COMPAT + +long compat_arch_ptrace(struct task_struct *child, compat_long_t request, + compat_ulong_t caddr, compat_ulong_t cdata) +{ + if (is_a32_compat_task()) + return compat_a32_ptrace(child, request, caddr, cdata); + + return compat_ptrace_request(child, request, caddr, cdata); +} + +#endif /* CONFIG_COMPAT */ + const struct user_regset_view *task_user_regset_view(struct task_struct *task) { #ifdef CONFIG_AARCH32_EL0 -- 2.5.0
WARNING: multiple messages have this Message-ID (diff)
From: ynorov@caviumnetworks.com (Yury Norov) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v6 13/21] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Date: Fri, 8 Jan 2016 02:34:31 +0300 [thread overview] Message-ID: <1452209679-19445-14-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1452209679-19445-1-git-send-email-ynorov@caviumnetworks.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> --- arch/arm64/kernel/ptrace.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index c166548..f95fb89 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -1108,7 +1108,7 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, } #endif /* CONFIG_HAVE_HW_BREAKPOINT */ -long compat_arch_ptrace(struct task_struct *child, compat_long_t request, +long compat_a32_ptrace(struct task_struct *child, compat_long_t request, compat_ulong_t caddr, compat_ulong_t cdata) { unsigned long addr = caddr; @@ -1185,8 +1185,25 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, return ret; } +#else + +#define compat_a32_ptrace(child, request, caddr, cdata) (-1) + #endif /* CONFIG_AARCH32_EL0 */ +#ifdef CONFIG_COMPAT + +long compat_arch_ptrace(struct task_struct *child, compat_long_t request, + compat_ulong_t caddr, compat_ulong_t cdata) +{ + if (is_a32_compat_task()) + return compat_a32_ptrace(child, request, caddr, cdata); + + return compat_ptrace_request(child, request, caddr, cdata); +} + +#endif /* CONFIG_COMPAT */ + const struct user_regset_view *task_user_regset_view(struct task_struct *task) { #ifdef CONFIG_AARCH32_EL0 -- 2.5.0
next prev parent reply other threads:[~2016-01-07 23:39 UTC|newest] Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-01-07 23:34 [RFC4 PATCH v6 00/21] ILP32 for ARM64 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 01/21] arm64: ilp32: add documentation on the ILP32 ABI " Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 02/21] arm64: ensure the kernel is compiled for LP64 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 03/21] arm64: rename COMPAT to AARCH32_EL0 in Kconfig Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 04/21] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 05/21] arm64: compat: fix wrong dependency Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-08 8:49 ` Arnd Bergmann 2016-01-08 8:49 ` Arnd Bergmann 2016-01-07 23:34 ` [PATCH v6 06/21] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 07/21] thread: move thread bits accessors to separated file Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 08/21] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 09/21] arm64: ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Yury Norov 2016-01-07 23:34 ` [PATCH v6 09/21] arm64: ilp32: add is_ilp32_compat_{task, thread} " Yury Norov 2016-01-07 23:34 ` [PATCH v6 10/21] arm64: introduce binfmt_elf32.c Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 11/21] arm64: ilp32: introduce binfmt_ilp32.c Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:45 ` Yury Norov 2016-01-07 23:45 ` Yury Norov 2016-01-08 9:08 ` Arnd Bergmann 2016-01-08 9:08 ` Arnd Bergmann 2016-01-12 16:46 ` Yury Norov 2016-01-12 16:46 ` Yury Norov 2016-01-12 23:05 ` Arnd Bergmann 2016-01-12 23:05 ` Arnd Bergmann 2016-01-07 23:34 ` [PATCH v6 12/21] arm64:ilp32: share HWCAP between LP64 and ILP32 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-08 8:58 ` Arnd Bergmann 2016-01-08 8:58 ` Arnd Bergmann 2016-01-07 23:34 ` Yury Norov [this message] 2016-01-07 23:34 ` [PATCH v6 13/21] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Yury Norov 2016-01-08 9:01 ` Arnd Bergmann 2016-01-08 9:01 ` Arnd Bergmann 2016-01-07 23:34 ` [PATCH v6 14/21] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-08 9:04 ` Arnd Bergmann 2016-01-08 9:04 ` Arnd Bergmann 2016-01-08 9:21 ` Arnd Bergmann 2016-01-08 9:21 ` Arnd Bergmann 2016-01-08 11:13 ` Yury Norov 2016-01-08 11:13 ` Yury Norov 2016-01-08 16:45 ` Arnd Bergmann 2016-01-08 16:45 ` Arnd Bergmann 2016-01-13 16:21 ` Yury Norov 2016-01-13 16:21 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 15/21] arm64: signal: wrap struct ucontext, fp and lr with struct sigframe Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 16/21] arm64: signal: share lp64 signal routines to ilp32 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 17/21] arm64: signal32: move ilp32 and aarch32 common code to separated file Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 18/21] arm64: ilp32: introduce ilp32-specific handlers for sigframe Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 19/21] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-07 23:34 ` [PATCH v6 20/21] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 Yury Norov 2016-01-07 23:34 ` Yury Norov 2016-01-08 9:05 ` Arnd Bergmann 2016-01-08 9:05 ` Arnd Bergmann 2016-01-07 23:34 ` [PATCH v6 21/21] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov 2016-01-07 23:34 ` Yury Norov
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