Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-6.1-pull-request' into staging

linux-user pull request 20210517

- alpha sigaction fixes/cleanups
- s390x sigaction fixes/cleanup
- sparc sigaction fixes/cleanup
- s390x core dumping support
- core dump fix (app name)
- arm  fpa11 fix and cleanup
- strace fixes (unshare(), llseek())
- fix copy_file_range()
- use GDateTime
- Remove dead code

# gpg: Signature made Tue 18 May 2021 06:31:12 BST
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-6.1-pull-request: (59 commits)
  linux-user/elfload: add s390x core dumping support
  linux-user/elfload: fix filling psinfo->pr_psargs
  linux-user: Tidy TARGET_NR_rt_sigaction
  linux-user/alpha: Share code for TARGET_NR_sigaction
  linux-user/alpha: Define TARGET_ARCH_HAS_KA_RESTORER
  linux-user: Honor TARGET_ARCH_HAS_SA_RESTORER in do_syscall
  linux-user: Pass ka_restorer to do_sigaction
  linux-user/alpha: Rename the sigaction restorer field
  linux-user/alpha: Fix rt sigframe return
  linux-user: use GDateTime for formatting timestamp for core file
  linux-user: Fix erroneous conversion in copy_file_range
  linux-user: Add copy_file_range to strace.list
  linux-user/s390x: Handle vector regs in signal stack
  linux-user/s390x: Clean up signal.c
  linux-user/s390x: Add build asserts for sigset sizes
  linux-user/s390x: Fix frame_addr corruption in setup_frame
  linux-user/s390x: Add stub sigframe argument for last_break
  linux-user/s390x: Set psw.mask properly for the signal handler
  linux-user/s390x: Clean up single-use gotos in signal.c
  linux-user/s390x: Tidy save_sigregs
  ...

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

1 files changed, 31 insertions, 11 deletions

diff --git a/linux-user/sparc/target_syscall.h b/linux-user/sparc/target_syscall.h
index d8ea04ea83..15d531f389 100644
--- a/linux-user/sparc/target_syscall.h
+++ b/linux-user/sparc/target_syscall.h
@@ -3,18 +3,34 @@
 
 #include "target_errno.h"
 
+#if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
 struct target_pt_regs {
-	abi_ulong psr;
-	abi_ulong pc;
-	abi_ulong npc;
-	abi_ulong y;
-	abi_ulong u_regs[16];
+    abi_ulong u_regs[16];
+    abi_ulong tstate;
+    abi_ulong pc;
+    abi_ulong npc;
+    uint32_t y;
+    uint32_t magic;
 };
+#else
+struct target_pt_regs {
+    abi_ulong psr;
+    abi_ulong pc;
+    abi_ulong npc;
+    abi_ulong y;
+    abi_ulong u_regs[16];
+};
+#endif
 
-#define UNAME_MACHINE "sparc"
+#ifdef TARGET_SPARC64
+# define UNAME_MACHINE "sparc64"
+#else
+# define UNAME_MACHINE "sparc"
+#endif
 #define UNAME_MINIMUM_RELEASE "2.6.32"
 
-/* SPARC kernels don't define this in their Kconfig, but they have the
+/*
+ * SPARC kernels don't define this in their Kconfig, but they have the
  * same ABI as if they did, implemented by sparc-specific code which fishes
  * directly in the u_regs() struct for half the parameters in sparc_do_fork()
  * and copy_thread().
@@ -25,20 +41,24 @@ struct target_pt_regs {
 #define TARGET_MCL_FUTURE  0x4000
 #define TARGET_MCL_ONFAULT 0x8000
 
-/* For SPARC SHMLBA is determined at runtime in the kernel, and
- * libc has to runtime-detect it using the hwcaps (see glibc
- * sysdeps/unix/sysv/linux/sparc/getshmlba; we follow the same
- * logic here, though we know we're not the sparc v9 64-bit case).
+/*
+ * For SPARC SHMLBA is determined at runtime in the kernel, and
+ * libc has to runtime-detect it using the hwcaps.
+ * See glibc sysdeps/unix/sysv/linux/sparc/getshmlba.
  */
 #define TARGET_FORCE_SHMLBA
 
 static inline abi_ulong target_shmlba(CPUSPARCState *env)
 {
+#ifdef TARGET_SPARC64
+    return MAX(TARGET_PAGE_SIZE, 16 * 1024);
+#else
     if (!(env->def.features & CPU_FEATURE_FLUSH)) {
         return 64 * 1024;
     } else {
         return 256 * 1024;
     }
+#endif
 }
 
 #endif /* SPARC_TARGET_SYSCALL_H */