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[PATCH v4 19/36] bsd-user/arm/target_arch_cpu.h: Implement data abort ex
From: |
Warner Losh |
Subject: |
[PATCH v4 19/36] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions |
Date: |
Thu, 4 Nov 2021 21:19:00 -0600 |
Implement EXCP_PREFETCH_ABORT AND EXCP_DATA_ABORT. Both of these data
exceptions cause a SIGSEGV.
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Olivier Houchard <cognet@ci0.org>
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
bsd-user/arm/target_arch_cpu.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/bsd-user/arm/target_arch_cpu.h b/bsd-user/arm/target_arch_cpu.h
index 9f9b380b13..905a5ffaff 100644
--- a/bsd-user/arm/target_arch_cpu.h
+++ b/bsd-user/arm/target_arch_cpu.h
@@ -65,6 +65,17 @@ static inline void target_cpu_loop(CPUARMState *env)
case EXCP_INTERRUPT:
/* just indicate that signals should be handled asap */
break;
+ case EXCP_PREFETCH_ABORT:
+ /* See arm/arm/trap.c prefetch_abort_handler() */
+ case EXCP_DATA_ABORT:
+ /* See arm/arm/trap.c data_abort_handler() */
+ info.si_signo = TARGET_SIGSEGV;
+ info.si_errno = 0;
+ /* XXX: check env->error_code */
+ info.si_code = 0;
+ info.si_addr = env->exception.vaddress;
+ queue_signal(env, info.si_signo, &info);
+ break;
case EXCP_DEBUG:
{
--
2.33.0
- [PATCH v4 06/36] bsd-user/i386/target_arch_signal.h: Update mcontext_t to match FreeBSD, (continued)
- [PATCH v4 06/36] bsd-user/i386/target_arch_signal.h: Update mcontext_t to match FreeBSD, Warner Losh, 2021/11/04
- [PATCH v4 09/36] bsd-user/x86_64/target_arch_signal.h: use new target_os_ucontext.h, Warner Losh, 2021/11/04
- [PATCH v4 11/36] bsd-user/x86_64: Move functions into signal.c, Warner Losh, 2021/11/04
- [PATCH v4 18/36] bsd-user/arm/target_arch_cpu.h: Implement trivial EXCP exceptions, Warner Losh, 2021/11/04
- [PATCH v4 13/36] bsd-user/arm/target_syscall.h: Add copyright and update name, Warner Losh, 2021/11/04
- [PATCH v4 14/36] bsd-user/arm/target_arch_cpu.c: Target specific TLS routines, Warner Losh, 2021/11/04
- [PATCH v4 16/36] bsd-user/arm/target_arch_cpu.h: Implement target_cpu_clone_regs, Warner Losh, 2021/11/04
- [PATCH v4 19/36] bsd-user/arm/target_arch_cpu.h: Implement data abort exceptions,
Warner Losh <=
- [PATCH v4 23/36] bsd-user/arm/target_arch_sigtramp.h: Signal Trampoline for arm, Warner Losh, 2021/11/04
- [PATCH v4 22/36] bsd-user/arm/target_arch_vmparam.h: Parameters for arm address space, Warner Losh, 2021/11/04
- [PATCH v4 26/36] bsd-user/arm/target_arch_elf.h: arm get hwcap, Warner Losh, 2021/11/04
- [PATCH v4 33/36] bsd-user/arm/target_arch_signal.c: arm set_mcontext, Warner Losh, 2021/11/04
- [PATCH v4 20/36] bsd-user/arm/target_arch_cpu.h: Implement system call dispatch, Warner Losh, 2021/11/04
- [PATCH v4 24/36] bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread, Warner Losh, 2021/11/04
- [PATCH v4 29/36] bsd-user/arm/target_arch_signal.h: arm machine context and trapframe for signals, Warner Losh, 2021/11/04