From: vincenzo.frascino at arm.com (Vincenzo Frascino) Subject: [PATCH v6 07/19] arm64: compat: Expose signal related structures Date: Thu, 30 May 2019 15:15:19 +0100 [thread overview] Message-ID: <20190530141531.43462-8-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20190530141531.43462-1-vincenzo.frascino@arm.com> The compat signal data structures are required as part of the compat vDSO implementation in order to provide the unwinding information for the sigreturn trampolines. Expose the mentioned data structures as part of signal32.h. Cc: Catalin Marinas <catalin.marinas at arm.com> Cc: Will Deacon <will.deacon at arm.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com> --- arch/arm64/include/asm/signal32.h | 46 +++++++++++++++++++++++++++++++ arch/arm64/kernel/signal32.c | 46 ------------------------------- 2 files changed, 46 insertions(+), 46 deletions(-) diff --git a/arch/arm64/include/asm/signal32.h b/arch/arm64/include/asm/signal32.h index 58e288aaf0ba..1f05268f4c6d 100644 --- a/arch/arm64/include/asm/signal32.h +++ b/arch/arm64/include/asm/signal32.h @@ -20,6 +20,52 @@ #ifdef CONFIG_COMPAT #include <linux/compat.h> +struct compat_sigcontext { + /* We always set these two fields to 0 */ + compat_ulong_t trap_no; + compat_ulong_t error_code; + + compat_ulong_t oldmask; + compat_ulong_t arm_r0; + compat_ulong_t arm_r1; + compat_ulong_t arm_r2; + compat_ulong_t arm_r3; + compat_ulong_t arm_r4; + compat_ulong_t arm_r5; + compat_ulong_t arm_r6; + compat_ulong_t arm_r7; + compat_ulong_t arm_r8; + compat_ulong_t arm_r9; + compat_ulong_t arm_r10; + compat_ulong_t arm_fp; + compat_ulong_t arm_ip; + compat_ulong_t arm_sp; + compat_ulong_t arm_lr; + compat_ulong_t arm_pc; + compat_ulong_t arm_cpsr; + compat_ulong_t fault_address; +}; + +struct compat_ucontext { + compat_ulong_t uc_flags; + compat_uptr_t uc_link; + compat_stack_t uc_stack; + struct compat_sigcontext uc_mcontext; + compat_sigset_t uc_sigmask; + int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))]; + compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8))); +}; + +struct compat_sigframe { + struct compat_ucontext uc; + compat_ulong_t retcode[2]; +}; + +struct compat_rt_sigframe { + struct compat_siginfo info; + struct compat_sigframe sig; +}; + int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set, struct pt_regs *regs); int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index caea6e25db2a..74e06d8c7c2b 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -30,42 +30,6 @@ #include <linux/uaccess.h> #include <asm/unistd.h> -struct compat_sigcontext { - /* We always set these two fields to 0 */ - compat_ulong_t trap_no; - compat_ulong_t error_code; - - compat_ulong_t oldmask; - compat_ulong_t arm_r0; - compat_ulong_t arm_r1; - compat_ulong_t arm_r2; - compat_ulong_t arm_r3; - compat_ulong_t arm_r4; - compat_ulong_t arm_r5; - compat_ulong_t arm_r6; - compat_ulong_t arm_r7; - compat_ulong_t arm_r8; - compat_ulong_t arm_r9; - compat_ulong_t arm_r10; - compat_ulong_t arm_fp; - compat_ulong_t arm_ip; - compat_ulong_t arm_sp; - compat_ulong_t arm_lr; - compat_ulong_t arm_pc; - compat_ulong_t arm_cpsr; - compat_ulong_t fault_address; -}; - -struct compat_ucontext { - compat_ulong_t uc_flags; - compat_uptr_t uc_link; - compat_stack_t uc_stack; - struct compat_sigcontext uc_mcontext; - compat_sigset_t uc_sigmask; - int __unused[32 - (sizeof (compat_sigset_t) / sizeof (int))]; - compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8))); -}; - struct compat_vfp_sigframe { compat_ulong_t magic; compat_ulong_t size; @@ -92,16 +56,6 @@ struct compat_aux_sigframe { unsigned long end_magic; } __attribute__((__aligned__(8))); -struct compat_sigframe { - struct compat_ucontext uc; - compat_ulong_t retcode[2]; -}; - -struct compat_rt_sigframe { - struct compat_siginfo info; - struct compat_sigframe sig; -}; - #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set) -- 2.21.0
WARNING: multiple messages have this Message-ID (diff)
From: vincenzo.frascino@arm.com (Vincenzo Frascino) Subject: [PATCH v6 07/19] arm64: compat: Expose signal related structures Date: Thu, 30 May 2019 15:15:19 +0100 [thread overview] Message-ID: <20190530141531.43462-8-vincenzo.frascino@arm.com> (raw) Message-ID: <20190530141519.FMWxgSH7HCU4T6ESTmxxtKiCjmh_6aJsII3Ds54dc5s@z> (raw) In-Reply-To: <20190530141531.43462-1-vincenzo.frascino@arm.com> The compat signal data structures are required as part of the compat vDSO implementation in order to provide the unwinding information for the sigreturn trampolines. Expose the mentioned data structures as part of signal32.h. Cc: Catalin Marinas <catalin.marinas at arm.com> Cc: Will Deacon <will.deacon at arm.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com> --- arch/arm64/include/asm/signal32.h | 46 +++++++++++++++++++++++++++++++ arch/arm64/kernel/signal32.c | 46 ------------------------------- 2 files changed, 46 insertions(+), 46 deletions(-) diff --git a/arch/arm64/include/asm/signal32.h b/arch/arm64/include/asm/signal32.h index 58e288aaf0ba..1f05268f4c6d 100644 --- a/arch/arm64/include/asm/signal32.h +++ b/arch/arm64/include/asm/signal32.h @@ -20,6 +20,52 @@ #ifdef CONFIG_COMPAT #include <linux/compat.h> +struct compat_sigcontext { + /* We always set these two fields to 0 */ + compat_ulong_t trap_no; + compat_ulong_t error_code; + + compat_ulong_t oldmask; + compat_ulong_t arm_r0; + compat_ulong_t arm_r1; + compat_ulong_t arm_r2; + compat_ulong_t arm_r3; + compat_ulong_t arm_r4; + compat_ulong_t arm_r5; + compat_ulong_t arm_r6; + compat_ulong_t arm_r7; + compat_ulong_t arm_r8; + compat_ulong_t arm_r9; + compat_ulong_t arm_r10; + compat_ulong_t arm_fp; + compat_ulong_t arm_ip; + compat_ulong_t arm_sp; + compat_ulong_t arm_lr; + compat_ulong_t arm_pc; + compat_ulong_t arm_cpsr; + compat_ulong_t fault_address; +}; + +struct compat_ucontext { + compat_ulong_t uc_flags; + compat_uptr_t uc_link; + compat_stack_t uc_stack; + struct compat_sigcontext uc_mcontext; + compat_sigset_t uc_sigmask; + int __unused[32 - (sizeof(compat_sigset_t) / sizeof(int))]; + compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8))); +}; + +struct compat_sigframe { + struct compat_ucontext uc; + compat_ulong_t retcode[2]; +}; + +struct compat_rt_sigframe { + struct compat_siginfo info; + struct compat_sigframe sig; +}; + int compat_setup_frame(int usig, struct ksignal *ksig, sigset_t *set, struct pt_regs *regs); int compat_setup_rt_frame(int usig, struct ksignal *ksig, sigset_t *set, diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index caea6e25db2a..74e06d8c7c2b 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -30,42 +30,6 @@ #include <linux/uaccess.h> #include <asm/unistd.h> -struct compat_sigcontext { - /* We always set these two fields to 0 */ - compat_ulong_t trap_no; - compat_ulong_t error_code; - - compat_ulong_t oldmask; - compat_ulong_t arm_r0; - compat_ulong_t arm_r1; - compat_ulong_t arm_r2; - compat_ulong_t arm_r3; - compat_ulong_t arm_r4; - compat_ulong_t arm_r5; - compat_ulong_t arm_r6; - compat_ulong_t arm_r7; - compat_ulong_t arm_r8; - compat_ulong_t arm_r9; - compat_ulong_t arm_r10; - compat_ulong_t arm_fp; - compat_ulong_t arm_ip; - compat_ulong_t arm_sp; - compat_ulong_t arm_lr; - compat_ulong_t arm_pc; - compat_ulong_t arm_cpsr; - compat_ulong_t fault_address; -}; - -struct compat_ucontext { - compat_ulong_t uc_flags; - compat_uptr_t uc_link; - compat_stack_t uc_stack; - struct compat_sigcontext uc_mcontext; - compat_sigset_t uc_sigmask; - int __unused[32 - (sizeof (compat_sigset_t) / sizeof (int))]; - compat_ulong_t uc_regspace[128] __attribute__((__aligned__(8))); -}; - struct compat_vfp_sigframe { compat_ulong_t magic; compat_ulong_t size; @@ -92,16 +56,6 @@ struct compat_aux_sigframe { unsigned long end_magic; } __attribute__((__aligned__(8))); -struct compat_sigframe { - struct compat_ucontext uc; - compat_ulong_t retcode[2]; -}; - -struct compat_rt_sigframe { - struct compat_siginfo info; - struct compat_sigframe sig; -}; - #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set) -- 2.21.0
next prev parent reply other threads:[~2019-05-30 14:15 UTC|newest] Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-05-30 14:15 [PATCH v6 00/19] Unify vDSOs across more architectures vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 01/19] kernel: Standardize vdso_datapage vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-31 8:16 ` arnd 2019-05-31 8:16 ` Arnd Bergmann 2019-06-04 12:05 ` vincenzo.frascino 2019-06-04 12:05 ` Vincenzo Frascino 2019-06-10 17:47 ` huw 2019-06-10 17:47 ` Huw Davies 2019-06-10 17:47 ` Huw Davies 2019-06-10 9:27 ` huw 2019-06-10 9:27 ` Huw Davies 2019-06-10 9:27 ` Huw Davies 2019-06-10 10:17 ` vincenzo.frascino 2019-06-10 10:17 ` Vincenzo Frascino 2019-06-10 10:17 ` Vincenzo Frascino 2019-06-10 10:31 ` huw 2019-06-10 10:31 ` Huw Davies 2019-06-10 10:31 ` Huw Davies 2019-06-10 11:07 ` vincenzo.frascino 2019-06-10 11:07 ` Vincenzo Frascino 2019-06-10 11:07 ` Vincenzo Frascino 2019-06-10 11:37 ` huw 2019-06-10 11:37 ` Huw Davies 2019-06-10 11:37 ` Huw Davies 2019-05-30 14:15 ` [PATCH v6 02/19] kernel: Define gettimeofday vdso common code vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-31 8:19 ` arnd 2019-05-31 8:19 ` Arnd Bergmann 2019-06-04 12:08 ` vincenzo.frascino 2019-06-04 12:08 ` Vincenzo Frascino 2019-06-10 9:31 ` huw 2019-06-10 9:31 ` Huw Davies 2019-06-10 9:31 ` Huw Davies 2019-06-10 10:18 ` vincenzo.frascino 2019-06-10 10:18 ` Vincenzo Frascino 2019-06-10 10:18 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 03/19] kernel: Unify update_vsyscall implementation vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-06-10 9:34 ` huw 2019-06-10 9:34 ` Huw Davies 2019-06-10 9:34 ` Huw Davies 2019-06-10 10:19 ` vincenzo.frascino 2019-06-10 10:19 ` Vincenzo Frascino 2019-06-10 10:19 ` Vincenzo Frascino 2019-06-14 11:10 ` Thomas Gleixner 2019-06-14 12:15 ` Vincenzo Frascino 2019-06-14 12:19 ` Thomas Gleixner 2019-06-14 12:25 ` Vincenzo Frascino 2019-06-14 13:07 ` Thomas Gleixner 2019-05-30 14:15 ` [PATCH v6 04/19] arm64: Substitute gettimeofday with C implementation vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 05/19] arm64: Build vDSO with -ffixed-x18 vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 06/19] arm64: compat: Add missing syscall numbers vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` vincenzo.frascino [this message] 2019-05-30 14:15 ` [PATCH v6 07/19] arm64: compat: Expose signal related structures Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 08/19] arm64: compat: Generate asm offsets for signals vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 09/19] lib: vdso: Add compat support vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 10/19] arm64: compat: Add vDSO vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 11/19] arm64: Refactor vDSO code vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 12/19] arm64: compat: vDSO setup for compat layer vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 13/19] arm64: elf: vDSO code page discovery vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 14/19] arm64: compat: Get sigreturn trampolines from vDSO vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 15/19] arm64: Add vDSO compat support vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-06-01 9:38 ` catalin.marinas 2019-06-01 9:38 ` Catalin Marinas 2019-06-04 12:10 ` vincenzo.frascino 2019-06-04 12:10 ` Vincenzo Frascino 2019-05-30 14:15 ` [PATCH v6 16/19] arm: Add support for generic vDSO vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-31 8:32 ` arnd 2019-05-31 8:32 ` Arnd Bergmann 2019-05-30 14:15 ` [PATCH v6 17/19] mips: " vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-31 8:34 ` arnd 2019-05-31 8:34 ` Arnd Bergmann 2019-06-03 14:54 ` salyzyn 2019-06-03 14:54 ` Mark Salyzyn 2019-06-03 17:07 ` arnd 2019-06-03 17:07 ` Arnd Bergmann 2019-05-30 14:15 ` [PATCH v6 18/19] x86: " vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-30 15:41 ` mikelley 2019-05-30 15:41 ` Michael Kelley 2019-06-04 12:13 ` vincenzo.frascino 2019-06-04 12:13 ` Vincenzo Frascino 2019-06-14 11:15 ` Thomas Gleixner 2019-06-14 21:17 ` Sasha Levin 2019-06-22 14:46 ` Thomas Gleixner 2019-06-23 19:09 ` Sasha Levin 2019-06-23 21:58 ` Stephen Rothwell 2019-06-24 0:24 ` Sasha Levin 2019-06-24 1:20 ` Stephen Rothwell 2019-06-23 22:12 ` Thomas Gleixner 2019-06-24 0:04 ` Michael Kelley 2019-06-24 0:25 ` Thomas Gleixner 2019-06-28 18:40 ` Michael Kelley 2019-05-30 14:15 ` [PATCH v6 19/19] kselftest: Extend vDSO selftest vincenzo.frascino 2019-05-30 14:15 ` Vincenzo Frascino 2019-05-31 8:53 ` arnd 2019-05-31 8:53 ` Arnd Bergmann 2019-05-31 8:46 ` [PATCH v6 00/19] Unify vDSOs across more architectures arnd 2019-05-31 8:46 ` Arnd Bergmann 2019-06-04 12:04 ` vincenzo.frascino 2019-06-04 12:04 ` Vincenzo Frascino 2019-06-04 12:12 ` arnd 2019-06-04 12:12 ` Arnd Bergmann 2019-06-05 14:32 ` vincenzo.frascino 2019-06-05 14:32 ` Vincenzo Frascino 2019-06-14 12:16 ` Thomas Gleixner 2019-06-14 12:19 ` Vincenzo Frascino 2019-06-20 6:17 ` Shijith Thotton 2019-06-20 8:55 ` Vincenzo Frascino 2019-06-20 16:27 ` Andre Przywara 2019-06-21 9:11 ` Vincenzo Frascino
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