commit 7c91105917f41c11a0b377b2393725da380cd490

Author: tom <tom@a5019735-40e9-0310-863c-91ae7b9d1cf9>

Date:   Thu May 7 18:54:31 2015 +0000

    Add support for the syncfs system call.

    Based on patch from j@eckel.me on BZ#347389.

    git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15191 a5019735-40e9-0310-863c-91ae7b9d1cf9

diff --git a/coregrind/m_syswrap/priv_syswrap-linux.h b/coregrind/m_syswrap/priv_syswrap-linux.h

index d093974..6552dca 100644

--- a/coregrind/m_syswrap/priv_syswrap-linux.h

+++ b/coregrind/m_syswrap/priv_syswrap-linux.h

@@ -287,6 +287,8 @@ DECL_TEMPLATE(linux, sys_fanotify_mark);

 DECL_TEMPLATE(linux, sys_getrandom);

 DECL_TEMPLATE(linux, sys_memfd_create);

+DECL_TEMPLATE(linux, sys_syncfs);

+

 /* ---------------------------------------------------------------------

    Wrappers for sockets and ipc-ery.  These are split into standalone

    procedures because x86-linux hides them inside multiplexors

diff --git a/coregrind/m_syswrap/syswrap-amd64-linux.c b/coregrind/m_syswrap/syswrap-amd64-linux.c

index 62f7ee6..de3288e 100644

--- a/coregrind/m_syswrap/syswrap-amd64-linux.c

+++ b/coregrind/m_syswrap/syswrap-amd64-linux.c

@@ -1062,7 +1062,7 @@ static SyscallTableEntry syscall_table[] = {

    LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),// 304

    LINXY(__NR_clock_adjtime,     sys_clock_adjtime),    // 305

-//   LINX_(__NR_syncfs,            sys_ni_syscall),       // 306

+   LINX_(__NR_syncfs,            sys_syncfs),           // 306

    LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 307

 //   LINX_(__NR_setns,             sys_ni_syscall),       // 308

    LINXY(__NR_getcpu,            sys_getcpu),           // 309

diff --git a/coregrind/m_syswrap/syswrap-arm-linux.c b/coregrind/m_syswrap/syswrap-arm-linux.c

index dc8714c..f8f56f5 100644

--- a/coregrind/m_syswrap/syswrap-arm-linux.c

+++ b/coregrind/m_syswrap/syswrap-arm-linux.c

@@ -1212,6 +1212,7 @@ static SyscallTableEntry syscall_main_table[] = {

    LINXY(__NR_name_to_handle_at, sys_name_to_handle_at),// 370

    LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),// 371

    LINXY(__NR_clock_adjtime,     sys_clock_adjtime),    // 372

+   LINX_(__NR_syncfs,            sys_syncfs),           // 373

    LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 374

    LINXY(__NR_getrandom,         sys_getrandom),        // 384

    LINXY(__NR_memfd_create,      sys_memfd_create)      // 385

diff --git a/coregrind/m_syswrap/syswrap-arm64-linux.c b/coregrind/m_syswrap/syswrap-arm64-linux.c

index 2f35e51..7551e8a 100644

--- a/coregrind/m_syswrap/syswrap-arm64-linux.c

+++ b/coregrind/m_syswrap/syswrap-arm64-linux.c

@@ -1042,6 +1042,8 @@ static SyscallTableEntry syscall_main_table[] = {

    GENXY(__NR_wait4,             sys_wait4),             // 260

+   LINX_(__NR_syncfs,            sys_syncfs),            // 267

+

    LINXY(__NR_sendmmsg,          sys_sendmmsg),          // 269

    LINXY(__NR_process_vm_readv,  sys_process_vm_readv),  // 270

    LINX_(__NR_process_vm_writev, sys_process_vm_writev), // 271

diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c

index f15c909..09c247c 100644

--- a/coregrind/m_syswrap/syswrap-linux.c

+++ b/coregrind/m_syswrap/syswrap-linux.c

@@ -3064,6 +3064,13 @@ POST(sys_memfd_create)

    }

 }

+PRE(sys_syncfs)

+{

+   *flags |= SfMayBlock;

+   PRINT("sys_syncfs ( %ld )", ARG1);

+   PRE_REG_READ1(long, "syncfs", unsigned int, fd);

+}

+

 /* ---------------------------------------------------------------------

    utime wrapper

    ------------------------------------------------------------------ */

diff --git a/coregrind/m_syswrap/syswrap-mips32-linux.c b/coregrind/m_syswrap/syswrap-mips32-linux.c

index 1b4c5bc..7a71576 100644

--- a/coregrind/m_syswrap/syswrap-mips32-linux.c

+++ b/coregrind/m_syswrap/syswrap-mips32-linux.c

@@ -1112,6 +1112,7 @@ static SyscallTableEntry syscall_main_table[] = {

    LINXY (__NR_prlimit64,              sys_prlimit64),               // 338

    //..

    LINXY (__NR_clock_adjtime,          sys_clock_adjtime),           // 341

+   LINX_ (__NR_syncfs,                 sys_syncfs),                  // 342

    //..

    LINXY (__NR_process_vm_readv,       sys_process_vm_readv),        // 345

    LINX_ (__NR_process_vm_writev,      sys_process_vm_writev),       // 346

diff --git a/coregrind/m_syswrap/syswrap-mips64-linux.c b/coregrind/m_syswrap/syswrap-mips64-linux.c

index d356645..3a5e979 100644

--- a/coregrind/m_syswrap/syswrap-mips64-linux.c

+++ b/coregrind/m_syswrap/syswrap-mips64-linux.c

@@ -909,7 +909,8 @@ static SyscallTableEntry syscall_main_table[] = {

    LINXY (__NR_process_vm_readv, sys_process_vm_readv),

    LINX_ (__NR_process_vm_writev, sys_process_vm_writev),

    LINXY(__NR_getrandom, sys_getrandom),

-   LINXY(__NR_memfd_create, sys_memfd_create)

+   LINXY(__NR_memfd_create, sys_memfd_create),

+   LINX_(__NR_syncfs, sys_syncfs)

 };

 SyscallTableEntry * ML_(get_linux_syscall_entry) ( UInt sysno )

diff --git a/coregrind/m_syswrap/syswrap-ppc32-linux.c b/coregrind/m_syswrap/syswrap-ppc32-linux.c

index 1f5d7f6..9c9937b 100644

--- a/coregrind/m_syswrap/syswrap-ppc32-linux.c

+++ b/coregrind/m_syswrap/syswrap-ppc32-linux.c

@@ -1253,7 +1253,7 @@ static SyscallTableEntry syscall_table[] = {

    LINXY(__NR_accept4,           sys_accept4),          // 344

    LINX_(__NR_clock_adjtime,     sys_clock_adjtime),    // 347

-

+   LINX_(__NR_syncfs,            sys_syncfs),           // 348

    LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 349

    LINXY(__NR_process_vm_readv,  sys_process_vm_readv), // 351

diff --git a/coregrind/m_syswrap/syswrap-ppc64-linux.c b/coregrind/m_syswrap/syswrap-ppc64-linux.c

index 6f3c1f7..e2432fd 100644

--- a/coregrind/m_syswrap/syswrap-ppc64-linux.c

+++ b/coregrind/m_syswrap/syswrap-ppc64-linux.c

@@ -1155,7 +1155,7 @@ static SyscallTableEntry syscall_table[] = {

    LINXY(__NR_accept4,           sys_accept4),          // 344

    LINXY(__NR_clock_adjtime,     sys_clock_adjtime),    // 347

-

+   LINX_(__NR_syncfs,            sys_syncfs),           // 348

    LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 349

    LINXY(__NR_process_vm_readv,  sys_process_vm_readv), // 351

diff --git a/coregrind/m_syswrap/syswrap-s390x-linux.c b/coregrind/m_syswrap/syswrap-s390x-linux.c

index 8e0afa0..db374f4 100644

--- a/coregrind/m_syswrap/syswrap-s390x-linux.c

+++ b/coregrind/m_syswrap/syswrap-s390x-linux.c

@@ -1035,7 +1035,7 @@ static SyscallTableEntry syscall_table[] = {

    LINXY(__NR_name_to_handle_at, sys_name_to_handle_at),              // 335

    LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),              // 336

    LINXY(__NR_clock_adjtime, sys_clock_adjtime),                      // 337

-// ?????(__NR_syncfs, ),                                              // 338

+   LINX_(__NR_syncfs, sys_syncfs),                                    // 338

 // ?????(__NR_setns, ),                                               // 339

    LINXY(__NR_process_vm_readv, sys_process_vm_readv),                // 340

diff --git a/coregrind/m_syswrap/syswrap-x86-linux.c b/coregrind/m_syswrap/syswrap-x86-linux.c

index 0f80d4a..e08af76 100644

--- a/coregrind/m_syswrap/syswrap-x86-linux.c

+++ b/coregrind/m_syswrap/syswrap-x86-linux.c

@@ -1805,7 +1805,7 @@ static SyscallTableEntry syscall_table[] = {

    LINXY(__NR_name_to_handle_at, sys_name_to_handle_at),// 341

    LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),// 342

    LINXY(__NR_clock_adjtime,     sys_clock_adjtime),    // 343

-//   LINX_(__NR_syncfs,            sys_ni_syscall),       // 344

+   LINX_(__NR_syncfs,            sys_syncfs),           // 344

    LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 345

 //   LINX_(__NR_setns,             sys_ni_syscall),       // 346