Merge remote-tracking branch 'remotes/riku/tags/pull-linux-user-20160608' into staging

linux-user pull request for June 2016

# gpg: Signature made Wed 08 Jun 2016 14:27:14 BST
# gpg:                using RSA key 0xB44890DEDE3C9BC0
# gpg: Good signature from "Riku Voipio <riku.voipio@iki.fi>"
# gpg:                 aka "Riku Voipio <riku.voipio@linaro.org>"

* remotes/riku/tags/pull-linux-user-20160608: (44 commits)
  linux-user: In fork_end(), remove correct CPUs from CPU list
  linux-user: Special-case ERESTARTSYS in target_strerror()
  linux-user: Make target_strerror() return 'const char *'
  linux-user: Correct signedness of target_flock l_start and l_len fields
  linux-user: Use safe_syscall wrapper for ioctl
  linux-user: Use safe_syscall wrapper for accept and accept4 syscalls
  linux-user: Use safe_syscall wrapper for semop
  linux-user: Use safe_syscall wrapper for epoll_wait syscalls
  linux-user: Use safe_syscall wrapper for poll and ppoll syscalls
  linux-user: Use safe_syscall wrapper for sleep syscalls
  linux-user: Use safe_syscall wrapper for rt_sigtimedwait syscall
  linux-user: Use safe_syscall wrapper for flock
  linux-user: Use safe_syscall wrapper for mq_timedsend and mq_timedreceive
  linux-user: Use safe_syscall wrapper for msgsnd and msgrcv
  linux-user: Use safe_syscall wrapper for send* and recv* syscalls
  linux-user: Use safe_syscall wrapper for connect syscall
  linux-user: Use safe_syscall wrapper for readv and writev syscalls
  linux-user: Fix error conversion in 64-bit fadvise syscall
  linux-user: Fix NR_fadvise64 and NR_fadvise64_64 for 32-bit guests
  linux-user: Fix handling of arm_fadvise64_64 syscall
  ...

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

Conflicts:
	configure
	scripts/qemu-binfmt-conf.sh

1 files changed, 32 insertions, 17 deletions

diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 34af15a683..6ee9251c50 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -673,6 +673,21 @@ typedef struct {
 
 #define TARGET_SI_PAD_SIZE ((TARGET_SI_MAX_SIZE - TARGET_SI_PREAMBLE_SIZE) / sizeof(int))
 
+/* Within QEMU the top 16 bits of si_code indicate which of the parts of
+ * the union in target_siginfo is valid. This only applies between
+ * host_to_target_siginfo_noswap() and tswap_siginfo(); it does not
+ * appear either within host siginfo_t or in target_siginfo structures
+ * which we get from the guest userspace program. (The Linux kernel
+ * does a similar thing with using the top bits for its own internal
+ * purposes but not letting them be visible to userspace.)
+ */
+#define QEMU_SI_KILL 0
+#define QEMU_SI_TIMER 1
+#define QEMU_SI_POLL 2
+#define QEMU_SI_FAULT 3
+#define QEMU_SI_CHLD 4
+#define QEMU_SI_RT 5
+
 typedef struct target_siginfo {
 #ifdef TARGET_MIPS
 	int si_signo;
@@ -2274,34 +2289,34 @@ struct target_statfs64 {
 #endif
 
 struct target_flock {
-	short l_type;
-	short l_whence;
-	abi_ulong l_start;
-	abi_ulong l_len;
-	int l_pid;
+    short l_type;
+    short l_whence;
+    abi_long l_start;
+    abi_long l_len;
+    int l_pid;
 };
 
 struct target_flock64 {
-	short  l_type;
-	short  l_whence;
+    short  l_type;
+    short  l_whence;
 #if defined(TARGET_PPC) || defined(TARGET_X86_64) || defined(TARGET_MIPS) \
     || defined(TARGET_SPARC) || defined(TARGET_HPPA) \
     || defined(TARGET_MICROBLAZE) || defined(TARGET_TILEGX)
-        int __pad;
+    int __pad;
 #endif
-	unsigned long long l_start;
-	unsigned long long l_len;
-	int  l_pid;
+    abi_llong l_start;
+    abi_llong l_len;
+    int  l_pid;
 } QEMU_PACKED;
 
 #ifdef TARGET_ARM
 struct target_eabi_flock64 {
-	short  l_type;
-	short  l_whence;
-        int __pad;
-	unsigned long long l_start;
-	unsigned long long l_len;
-	int  l_pid;
+    short  l_type;
+    short  l_whence;
+    int __pad;
+    abi_llong l_start;
+    abi_llong l_len;
+    int  l_pid;
 } QEMU_PACKED;
 #endif