[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v7 09/60] linux-user/host/alpha: Populate host_signal.h
From: |
Richard Henderson |
Subject: |
[PATCH v7 09/60] linux-user/host/alpha: Populate host_signal.h |
Date: |
Mon, 1 Nov 2021 13:26:38 -0400 |
Split host_signal_pc and host_signal_write out of user-exec.c.
Cc: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/host/alpha/host-signal.h | 42 +++++++++++++++++++++++++++++
accel/tcg/user-exec.c | 31 +--------------------
2 files changed, 43 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..e080be412f
--- /dev/null
+++ b/linux-user/host/alpha/host-signal.h
@@ -0,0 +1,42 @@
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ * Copyright (c) 2021 Linaro Limited
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 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 v7 34/60] target/ppc: Implement ppc_cpu_record_sigsegv, (continued)
- [PATCH v7 34/60] target/ppc: Implement ppc_cpu_record_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 17/60] linux-user/host/riscv: Improve host_signal_write, Richard Henderson, 2021/11/01
- [PATCH v7 20/60] linux-user: Add cpu_loop_exit_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 28/60] target/m68k: Make m68k_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 27/60] target/i386: Implement x86_cpu_record_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 15/60] linux-user/host/riscv: Populate host_signal.h, Richard Henderson, 2021/11/01
- [PATCH v7 19/60] hw/core: Add TCGCPUOps.record_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 31/60] target/nios2: Implement nios2_cpu_record_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 39/60] target/sparc: Make sparc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 26/60] target/hppa: Make hppa_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 09/60] linux-user/host/alpha: Populate host_signal.h,
Richard Henderson <=
- [PATCH v7 30/60] target/mips: Make mips_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 22/60] target/arm: Use cpu_loop_exit_sigsegv for mte tag lookup, Richard Henderson, 2021/11/01
- [PATCH v7 24/60] target/cris: Make cris_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 32/60] linux-user/openrisc: Abort for EXCP_RANGE, EXCP_FPE, Richard Henderson, 2021/11/01
- [PATCH v7 36/60] target/s390x: Use probe_access_flags in s390_probe_access, Richard Henderson, 2021/11/01
- [PATCH v7 37/60] target/s390x: Implement s390_cpu_record_sigsegv, Richard Henderson, 2021/11/01
- [PATCH v7 35/60] target/riscv: Make riscv_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 25/60] target/hexagon: Remove hexagon_cpu_tlb_fill, Richard Henderson, 2021/11/01
- [PATCH v7 38/60] target/sh4: Make sh4_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01
- [PATCH v7 33/60] target/openrisc: Make openrisc_cpu_tlb_fill sysemu only, Richard Henderson, 2021/11/01