Merge tag 'pull-user-20211220' of https://gitlab.com/rth7680/qemu into staging

Move errno processing from safe_syscall() to safe_syscall_base().
Move safe_syscall() from linux-user to common-user.
Add FreeBSD support to safe_syscall_base().
Tidy top-level meson.build wrt {bsd,linux}-user.

# gpg: Signature made Mon 20 Dec 2021 11:46:11 AM PST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-user-20211220' of https://gitlab.com/rth7680/qemu:
  meson: Move bsd_user_ss to bsd-user/
  meson: Move linux_user_ss to linux-user/
  linux-user: Move thunk.c from top-level
  common-user: Adjust system call return on FreeBSD
  common-user: Move safe-syscall.* from linux-user
  bsd-user: Create special-errno.h
  linux-user: Create special-errno.h
  linux-user: Rename TARGET_QEMU_ESIGRETURN to QEMU_ESIGRETURN
  bsd-user: Rename TARGET_ERESTARTSYS to QEMU_ERESTARTSYS
  linux-user: Rename TARGET_ERESTARTSYS to QEMU_ERESTARTSYS
  linux-user: Remove HAVE_SAFE_SYSCALL and hostdep.h
  linux-user/host/sparc64: Add safe-syscall.inc.S
  linux-user/host/mips: Add safe-syscall.inc.S
  linux-user: Move syscall error detection into safe_syscall_base
  linux-user: Untabify all safe-syscall.inc.S

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 11 insertions, 10 deletions

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f1cfcc8104..56a3e17183 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -132,10 +132,11 @@
 #include "signal-common.h"
 #include "loader.h"
 #include "user-mmap.h"
-#include "safe-syscall.h"
+#include "user/safe-syscall.h"
 #include "qemu/guest-random.h"
 #include "qemu/selfmap.h"
 #include "user/syscall-trace.h"
+#include "special-errno.h"
 #include "qapi/error.h"
 #include "fd-trans.h"
 #include "tcg/tcg.h"
@@ -547,10 +548,10 @@ static inline abi_long get_errno(abi_long ret)
 
 const char *target_strerror(int err)
 {
-    if (err == TARGET_ERESTARTSYS) {
+    if (err == QEMU_ERESTARTSYS) {
         return "To be restarted";
     }
-    if (err == TARGET_QEMU_ESIGRETURN) {
+    if (err == QEMU_ESIGRETURN) {
         return "Successful exit from sigreturn";
     }
 
@@ -6458,7 +6459,7 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
         }
 
         if (block_signals()) {
-            return -TARGET_ERESTARTSYS;
+            return -QEMU_ERESTARTSYS;
         }
 
         fork_start();
@@ -8328,7 +8329,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
            Do thread termination if we have more then one thread.  */
 
         if (block_signals()) {
-            return -TARGET_ERESTARTSYS;
+            return -QEMU_ERESTARTSYS;
         }
 
         pthread_mutex_lock(&clone_lock);
@@ -9317,7 +9318,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #endif
             ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
                                                SIGSET_T_SIZE));
-            if (ret != -TARGET_ERESTARTSYS) {
+            if (ret != -QEMU_ERESTARTSYS) {
                 ts->in_sigsuspend = 1;
             }
         }
@@ -9336,7 +9337,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
             unlock_user(p, arg1, 0);
             ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask,
                                                SIGSET_T_SIZE));
-            if (ret != -TARGET_ERESTARTSYS) {
+            if (ret != -QEMU_ERESTARTSYS) {
                 ts->in_sigsuspend = 1;
             }
         }
@@ -9452,13 +9453,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #ifdef TARGET_NR_sigreturn
     case TARGET_NR_sigreturn:
         if (block_signals()) {
-            return -TARGET_ERESTARTSYS;
+            return -QEMU_ERESTARTSYS;
         }
         return do_sigreturn(cpu_env);
 #endif
     case TARGET_NR_rt_sigreturn:
         if (block_signals()) {
-            return -TARGET_ERESTARTSYS;
+            return -QEMU_ERESTARTSYS;
         }
         return do_rt_sigreturn(cpu_env);
     case TARGET_NR_sethostname:
@@ -13145,7 +13146,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         static bool flag;
         flag = !flag;
         if (flag) {
-            return -TARGET_ERESTARTSYS;
+            return -QEMU_ERESTARTSYS;
         }
     }
 #endif