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[PATCH v6 09/66] linux-user/host/alpha: Populate host_signal.h
From: |
Richard Henderson |
Subject: |
[PATCH v6 09/66] linux-user/host/alpha: Populate host_signal.h |
Date: |
Sat, 30 Oct 2021 10:15:38 -0700 |
Split host_signal_pc and host_signal_write out of user-exec.c.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/host/alpha/host-signal.h | 41 +++++++++++++++++++++++++++++
accel/tcg/user-exec.c | 31 +---------------------
2 files changed, 42 insertions(+), 30 deletions(-)
create mode 100644 linux-user/host/alpha/host-signal.h
diff --git a/linux-user/host/alpha/host-signal.h
b/linux-user/host/alpha/host-signal.h
new file mode 100644
index 0000000000..e27704d832
--- /dev/null
+++ b/linux-user/host/alpha/host-signal.h
@@ -0,0 +1,41 @@
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (C) 2021 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef ALPHA_HOST_SIGNAL_H
+#define ALPHA_HOST_SIGNAL_H
+
+static inline uintptr_t host_signal_pc(ucontext_t *uc)
+{
+ return uc->uc_mcontext.sc_pc;
+}
+
+static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
+{
+ uint32_t *pc = (uint32_t *)host_signal_pc(uc);
+ uint32_t insn = *pc;
+
+ /* XXX: need kernel patch to get write flag faster */
+ switch (insn >> 26) {
+ case 0x0d: /* stw */
+ case 0x0e: /* stb */
+ case 0x0f: /* stq_u */
+ case 0x24: /* stf */
+ case 0x25: /* stg */
+ case 0x26: /* sts */
+ case 0x27: /* stt */
+ case 0x2c: /* stl */
+ case 0x2d: /* stq */
+ case 0x2e: /* stl_c */
+ case 0x2f: /* stq_c */
+ return true;
+ }
+ return false;
+}
+
+#endif
diff --git a/accel/tcg/user-exec.c b/accel/tcg/user-exec.c
index 5a0a65fa46..e9b6eb696f 100644
--- a/accel/tcg/user-exec.c
+++ b/accel/tcg/user-exec.c
@@ -253,36 +253,7 @@ void *probe_access(CPUArchState *env, target_ulong addr,
int size,
return size ? g2h(env_cpu(env), addr) : NULL;
}
-#if defined(__alpha__)
-
-int cpu_signal_handler(int host_signum, void *pinfo,
- void *puc)
-{
- siginfo_t *info = pinfo;
- ucontext_t *uc = puc;
- uint32_t *pc = uc->uc_mcontext.sc_pc;
- uint32_t insn = *pc;
- int is_write = 0;
-
- /* XXX: need kernel patch to get write flag faster */
- switch (insn >> 26) {
- case 0x0d: /* stw */
- case 0x0e: /* stb */
- case 0x0f: /* stq_u */
- case 0x24: /* stf */
- case 0x25: /* stg */
- case 0x26: /* sts */
- case 0x27: /* stt */
- case 0x2c: /* stl */
- case 0x2d: /* stq */
- case 0x2e: /* stl_c */
- case 0x2f: /* stq_c */
- is_write = 1;
- }
-
- return handle_cpu_signal(pc, info, is_write, &uc->uc_sigmask);
-}
-#elif defined(__sparc__)
+#if defined(__sparc__)
int cpu_signal_handler(int host_signum, void *pinfo,
void *puc)
--
2.25.1
- [PATCH v6 02/66] accel/tcg: Move clear_helper_retaddr to cpu loop, (continued)
- [PATCH v6 02/66] accel/tcg: Move clear_helper_retaddr to cpu loop, Richard Henderson, 2021/10/30
- [PATCH v6 01/66] accel/tcg: Split out adjust_signal_pc, Richard Henderson, 2021/10/30
- [PATCH v6 04/66] accel/tcg: Fold cpu_exit_tb_from_sighandler into caller, Richard Henderson, 2021/10/30
- [PATCH v6 08/66] linux-user/host/ppc: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 10/66] linux-user/host/sparc: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 06/66] linux-user: Reorg handling for SIGSEGV, Richard Henderson, 2021/10/30
- [PATCH v6 11/66] linux-user/host/arm: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 13/66] linux-user/host/s390: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 07/66] linux-user/host/x86: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 12/66] linux-user/host/aarch64: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 09/66] linux-user/host/alpha: Populate host_signal.h,
Richard Henderson <=
- [PATCH v6 14/66] linux-user/host/mips: Populate host_signal.h, Richard Henderson, 2021/10/30
- [PATCH v6 16/66] target/arm: Fixup comment re handle_cpu_signal, Richard Henderson, 2021/10/30
- [PATCH v6 24/66] target/cris: Make cris_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/30
- [PATCH v6 29/66] target/microblaze: Make mb_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/30
- [PATCH v6 21/66] target/alpha: Implement alpha_cpu_record_sigsegv, Richard Henderson, 2021/10/30
- [PATCH v6 28/66] target/m68k: Make m68k_cpu_tlb_fill sysemu only, Richard Henderson, 2021/10/30
- [PATCH v6 34/66] target/ppc: Implement ppc_cpu_record_sigsegv, Richard Henderson, 2021/10/30
- [PATCH v6 27/66] target/i386: Implement x86_cpu_record_sigsegv, Richard Henderson, 2021/10/30