Merge remote-tracking branch 'remotes/rth-gitlab/tags/pull-tcg-20220211' into staging

Fix safe_syscall_base for sparc64.
Fix host signal handling for sparc64-linux.
Speedups for jump cache and work list probing.
Fix for exception replays.
Raise guest SIGBUS for user-only misaligned accesses.

# gpg: Signature made Fri 11 Feb 2022 01:27:16 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth-gitlab/tags/pull-tcg-20220211: (34 commits)
  tests/tcg/multiarch: Add sigbus.c
  tcg/sparc: Support unaligned access for user-only
  tcg/sparc: Add tcg_out_jmpl_const for better tail calls
  tcg/sparc: Use the constant pool for 64-bit constants
  tcg/sparc: Convert patch_reloc to return bool
  tcg/sparc: Improve code gen for shifted 32-bit constants
  tcg/sparc: Add scratch argument to tcg_out_movi_int
  tcg/sparc: Split out tcg_out_movi_imm32
  tcg/sparc: Use tcg_out_movi_imm13 in tcg_out_addsub2_i64
  tcg/mips: Support unaligned access for softmmu
  tcg/mips: Support unaligned access for user-only
  tcg/arm: Support raising sigbus for user-only
  tcg/arm: Reserve a register for guest_base
  tcg/arm: Support unaligned access for softmmu
  tcg/arm: Check alignment for ldrd and strd
  tcg/arm: Remove use_armv6_instructions
  tcg/arm: Remove use_armv5t_instructions
  tcg/arm: Drop support for armv4 and armv5 hosts
  tcg/loongarch64: Support raising sigbus for user-only
  tcg/tci: Support raising sigbus for user-only
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 0 insertions, 63 deletions

diff --git a/linux-user/include/host/sparc/host-signal.h b/linux-user/include/host/sparc/host-signal.h
deleted file mode 100644
index 7342936071..0000000000
--- a/linux-user/include/host/sparc/host-signal.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * 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 SPARC_HOST_SIGNAL_H
-#define SPARC_HOST_SIGNAL_H
-
-static inline uintptr_t host_signal_pc(ucontext_t *uc)
-{
-#ifdef __arch64__
-    return uc->uc_mcontext.mc_gregs[MC_PC];
-#else
-    return uc->uc_mcontext.gregs[REG_PC];
-#endif
-}
-
-static inline void host_signal_set_pc(ucontext_t *uc, uintptr_t pc)
-{
-#ifdef __arch64__
-    uc->uc_mcontext.mc_gregs[MC_PC] = pc;
-#else
-    uc->uc_mcontext.gregs[REG_PC] = pc;
-#endif
-}
-
-static inline bool host_signal_write(siginfo_t *info, ucontext_t *uc)
-{
-    uint32_t insn = *(uint32_t *)host_signal_pc(uc);
-
-    if ((insn >> 30) == 3) {
-        switch ((insn >> 19) & 0x3f) {
-        case 0x05: /* stb */
-        case 0x15: /* stba */
-        case 0x06: /* sth */
-        case 0x16: /* stha */
-        case 0x04: /* st */
-        case 0x14: /* sta */
-        case 0x07: /* std */
-        case 0x17: /* stda */
-        case 0x0e: /* stx */
-        case 0x1e: /* stxa */
-        case 0x24: /* stf */
-        case 0x34: /* stfa */
-        case 0x27: /* stdf */
-        case 0x37: /* stdfa */
-        case 0x26: /* stqf */
-        case 0x36: /* stqfa */
-        case 0x25: /* stfsr */
-        case 0x3c: /* casa */
-        case 0x3e: /* casxa */
-            return true;
-        }
-    }
-    return false;
-}
-
-#endif