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ftmemsim-valgrind/coregrind/m_syswrap/syswrap-ppc64-linux.c
Tom Hughes f26002da90 Fix amd64 and ppc64 to correctly mark mq_timedreceive as LINXY so that 
the post handler is run to mark the retrieved message as correct.

Also change the post handler to only mark the number of bytes actually
returned as defined, rather than the whole buffer.

Fixes #238679.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11133
2010-05-24 13:40:10 +00:00

1560 lines
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/*--------------------------------------------------------------------*/
/*--- Platform-specific syscalls stuff. syswrap-ppc64-linux.c ---*/
/*--------------------------------------------------------------------*/
/*
This file is part of Valgrind, a dynamic binary instrumentation
framework.
Copyright (C) 2005-2010 Nicholas Nethercote <njn@valgrind.org>
Copyright (C) 2005-2010 Cerion Armour-Brown <cerion@open-works.co.uk>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
#if defined(VGP_ppc64_linux)
#include "pub_core_basics.h"
#include "pub_core_vki.h"
#include "pub_core_vkiscnums.h"
#include "pub_core_threadstate.h"
#include "pub_core_aspacemgr.h"
#include "pub_core_debuglog.h"
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcprint.h"
#include "pub_core_libcproc.h"
#include "pub_core_libcsignal.h"
#include "pub_core_options.h"
#include "pub_core_scheduler.h"
#include "pub_core_sigframe.h" // For VG_(sigframe_destroy)()
#include "pub_core_signals.h"
#include "pub_core_syscall.h"
#include "pub_core_syswrap.h"
#include "pub_core_tooliface.h"
#include "pub_core_stacks.h" // VG_(register_stack)
#include "priv_types_n_macros.h"
#include "priv_syswrap-generic.h" /* for decls of generic wrappers */
#include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */
#include "priv_syswrap-main.h"
/* ---------------------------------------------------------------------
clone() handling
------------------------------------------------------------------ */
/* Call f(arg1), but first switch stacks, using 'stack' as the new
stack, and use 'retaddr' as f's return-to address. Also, clear all
the integer registers before entering f.*/
__attribute__((noreturn))
void ML_(call_on_new_stack_0_1) ( Addr stack,
Addr retaddr,
void (*f_desc)(Word),
Word arg1 );
// r3 = stack
// r4 = retaddr
// r5 = function descriptor
// r6 = arg1
/* On PPC64, a func ptr is represented by a TOC entry ptr.
This TOC entry contains three words; the first word is the function
address, the second word is the TOC ptr (r2), and the third word is
the static chain value. */
asm(
" .align 2\n"
" .globl vgModuleLocal_call_on_new_stack_0_1\n"
" .section \".opd\",\"aw\"\n"
" .align 3\n"
"vgModuleLocal_call_on_new_stack_0_1:\n"
" .quad .vgModuleLocal_call_on_new_stack_0_1,.TOC.@tocbase,0\n"
" .previous\n"
" .type .vgModuleLocal_call_on_new_stack_0_1,@function\n"
" .globl .vgModuleLocal_call_on_new_stack_0_1\n"
".vgModuleLocal_call_on_new_stack_0_1:\n"
" mr %r1,%r3\n\t" // stack to %sp
" mtlr %r4\n\t" // retaddr to %lr
" ld 5,0(5)\n\t" // load f_ptr from f_desc[0]
" mtctr %r5\n\t" // f_ptr to count reg
" mr %r3,%r6\n\t" // arg1 to %r3
" li 0,0\n\t" // zero all GP regs
" li 4,0\n\t"
" li 5,0\n\t"
" li 6,0\n\t"
" li 7,0\n\t"
" li 8,0\n\t"
" li 9,0\n\t"
" li 10,0\n\t"
" li 11,0\n\t"
" li 12,0\n\t"
" li 13,0\n\t"
" li 14,0\n\t"
" li 15,0\n\t"
" li 16,0\n\t"
" li 17,0\n\t"
" li 18,0\n\t"
" li 19,0\n\t"
" li 20,0\n\t"
" li 21,0\n\t"
" li 22,0\n\t"
" li 23,0\n\t"
" li 24,0\n\t"
" li 25,0\n\t"
" li 26,0\n\t"
" li 27,0\n\t"
" li 28,0\n\t"
" li 29,0\n\t"
" li 30,0\n\t"
" li 31,0\n\t"
" mtxer 0\n\t" // CAB: Need this?
" mtcr 0\n\t" // CAB: Need this?
" bctr\n\t" // jump to dst
" trap\n" // should never get here
);
/*
Perform a clone system call. clone is strange because it has
fork()-like return-twice semantics, so it needs special
handling here.
Upon entry, we have:
word (fn)(void*) in r3
void* child_stack in r4
word flags in r5
void* arg in r6
pid_t* child_tid in r7
pid_t* parent_tid in r8
void* ??? in r9
Note: r3 contains fn desc ptr, not fn ptr -- p_fn = p_fn_desc[0]
System call requires:
int $__NR_clone in r0 (sc number)
int flags in r3 (sc arg1)
void* child_stack in r4 (sc arg2)
pid_t* parent_tid in r5 (sc arg3)
?? child_tls in r6 (sc arg4)
pid_t* child_tid in r7 (sc arg5)
void* ??? in r8 (sc arg6)
Returns a ULong encoded as: top half is %cr following syscall,
low half is syscall return value (r3).
*/
#define __NR_CLONE VG_STRINGIFY(__NR_clone)
#define __NR_EXIT VG_STRINGIFY(__NR_exit)
extern
ULong do_syscall_clone_ppc64_linux ( Word (*fn)(void *),
void* stack,
Int flags,
void* arg,
Int* child_tid,
Int* parent_tid,
void/*vki_modify_ldt_t*/ * );
asm(
" .align 2\n"
" .globl do_syscall_clone_ppc64_linux\n"
" .section \".opd\",\"aw\"\n"
" .align 3\n"
"do_syscall_clone_ppc64_linux:\n"
" .quad .do_syscall_clone_ppc64_linux,.TOC.@tocbase,0\n"
" .previous\n"
" .type .do_syscall_clone_ppc64_linux,@function\n"
" .globl .do_syscall_clone_ppc64_linux\n"
".do_syscall_clone_ppc64_linux:\n"
" stdu 1,-64(1)\n"
" std 29,40(1)\n"
" std 30,48(1)\n"
" std 31,56(1)\n"
" mr 30,3\n" // preserve fn
" mr 31,6\n" // preserve arg
// setup child stack
" rldicr 4,4, 0,59\n" // trim sp to multiple of 16 bytes
// (r4 &= ~0xF)
" li 0,0\n"
" stdu 0,-32(4)\n" // make initial stack frame
" mr 29,4\n" // preserve sp
// setup syscall
" li 0,"__NR_CLONE"\n" // syscall number
" mr 3,5\n" // syscall arg1: flags
// r4 already setup // syscall arg2: child_stack
" mr 5,8\n" // syscall arg3: parent_tid
" mr 6,13\n" // syscall arg4: REAL THREAD tls
" mr 7,7\n" // syscall arg5: child_tid
" mr 8,8\n" // syscall arg6: ????
" mr 9,9\n" // syscall arg7: ????
" sc\n" // clone()
" mfcr 4\n" // CR now in low half r4
" sldi 4,4,32\n" // CR now in hi half r4
" sldi 3,3,32\n"
" srdi 3,3,32\n" // zero out hi half r3
" or 3,3,4\n" // r3 = CR : syscall-retval
" cmpwi 3,0\n" // child if retval == 0 (note, cmpw)
" bne 1f\n" // jump if !child
/* CHILD - call thread function */
/* Note: 2.4 kernel doesn't set the child stack pointer,
so we do it here.
That does leave a small window for a signal to be delivered
on the wrong stack, unfortunately. */
" mr 1,29\n"
" ld 30, 0(30)\n" // convert fn desc ptr to fn ptr
" mtctr 30\n" // ctr reg = fn
" mr 3,31\n" // r3 = arg
" bctrl\n" // call fn()
// exit with result
" li 0,"__NR_EXIT"\n"
" sc\n"
// Exit returned?!
" .long 0\n"
// PARENT or ERROR - return
"1: ld 29,40(1)\n"
" ld 30,48(1)\n"
" ld 31,56(1)\n"
" addi 1,1,64\n"
" blr\n"
);
#undef __NR_CLONE
#undef __NR_EXIT
// forward declarations
static void setup_child ( ThreadArchState*, ThreadArchState* );
/*
When a client clones, we need to keep track of the new thread. This means:
1. allocate a ThreadId+ThreadState+stack for the the thread
2. initialize the thread's new VCPU state
3. create the thread using the same args as the client requested,
but using the scheduler entrypoint for IP, and a separate stack
for SP.
*/
static SysRes do_clone ( ThreadId ptid,
UInt flags, Addr sp,
Int *parent_tidptr,
Int *child_tidptr,
Addr child_tls)
{
const Bool debug = False;
ThreadId ctid = VG_(alloc_ThreadState)();
ThreadState* ptst = VG_(get_ThreadState)(ptid);
ThreadState* ctst = VG_(get_ThreadState)(ctid);
ULong word64;
UWord* stack;
NSegment const* seg;
SysRes res;
vki_sigset_t blockall, savedmask;
VG_(sigfillset)(&blockall);
vg_assert(VG_(is_running_thread)(ptid));
vg_assert(VG_(is_valid_tid)(ctid));
stack = (UWord*)ML_(allocstack)(ctid);
if (stack == NULL) {
res = VG_(mk_SysRes_Error)( VKI_ENOMEM );
goto out;
}
//? /* make a stack frame */
//? stack -= 16;
//? *(UWord *)stack = 0;
/* Copy register state
Both parent and child return to the same place, and the code
following the clone syscall works out which is which, so we
don't need to worry about it.
The parent gets the child's new tid returned from clone, but the
child gets 0.
If the clone call specifies a NULL SP for the new thread, then
it actually gets a copy of the parent's SP.
The child's TLS register (r2) gets set to the tlsaddr argument
if the CLONE_SETTLS flag is set.
*/
setup_child( &ctst->arch, &ptst->arch );
/* Make sys_clone appear to have returned Success(0) in the
child. */
{ UInt old_cr = LibVEX_GuestPPC64_get_CR( &ctst->arch.vex );
/* %r3 = 0 */
ctst->arch.vex.guest_GPR3 = 0;
/* %cr0.so = 0 */
LibVEX_GuestPPC64_put_CR( old_cr & ~(1<<28), &ctst->arch.vex );
}
if (sp != 0)
ctst->arch.vex.guest_GPR1 = sp;
ctst->os_state.parent = ptid;
/* inherit signal mask */
ctst->sig_mask = ptst->sig_mask;
ctst->tmp_sig_mask = ptst->sig_mask;
/* Start the child with its threadgroup being the same as the
parent's. This is so that any exit_group calls that happen
after the child is created but before it sets its
os_state.threadgroup field for real (in thread_wrapper in
syswrap-linux.c), really kill the new thread. a.k.a this avoids
a race condition in which the thread is unkillable (via
exit_group) because its threadgroup is not set. The race window
is probably only a few hundred or a few thousand cycles long.
See #226116. */
ctst->os_state.threadgroup = ptst->os_state.threadgroup;
/* We don't really know where the client stack is, because its
allocated by the client. The best we can do is look at the
memory mappings and try to derive some useful information. We
assume that esp starts near its highest possible value, and can
only go down to the start of the mmaped segment. */
seg = VG_(am_find_nsegment)(sp);
if (seg && seg->kind != SkResvn) {
ctst->client_stack_highest_word = (Addr)VG_PGROUNDUP(sp);
ctst->client_stack_szB = ctst->client_stack_highest_word - seg->start;
VG_(register_stack)(seg->start, ctst->client_stack_highest_word);
if (debug)
VG_(printf)("\ntid %d: guessed client stack range %#lx-%#lx\n",
ctid, seg->start, VG_PGROUNDUP(sp));
} else {
VG_(message)(Vg_UserMsg,
"!? New thread %d starts with R1(%#lx) unmapped\n",
ctid, sp);
ctst->client_stack_szB = 0;
}
/* Assume the clone will succeed, and tell any tool that wants to
know that this thread has come into existence. If the clone
fails, we'll send out a ll_exit notification for it at the out:
label below, to clean up. */
VG_TRACK ( pre_thread_ll_create, ptid, ctid );
if (flags & VKI_CLONE_SETTLS) {
if (debug)
VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls);
ctst->arch.vex.guest_GPR13 = child_tls;
}
flags &= ~VKI_CLONE_SETTLS;
/* start the thread with everything blocked */
VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask);
/* Create the new thread */
word64 = do_syscall_clone_ppc64_linux(
ML_(start_thread_NORETURN),
stack, flags, &VG_(threads)[ctid],
child_tidptr, parent_tidptr, NULL
);
/* Low half word64 is syscall return value. Hi half is
the entire CR, from which we need to extract CR0.SO. */
/* VG_(printf)("word64 = 0x%llx\n", word64); */
res = VG_(mk_SysRes_ppc64_linux)(
/*val*/(UInt)(word64 & 0xFFFFFFFFULL),
/*errflag*/ (UInt)((word64 >> (32+28)) & 1)
);
VG_(sigprocmask)(VKI_SIG_SETMASK, &savedmask, NULL);
out:
if (sr_isError(res)) {
/* clone failed */
VG_(cleanup_thread)(&ctst->arch);
ctst->status = VgTs_Empty;
/* oops. Better tell the tool the thread exited in a hurry :-) */
VG_TRACK( pre_thread_ll_exit, ctid );
}
return res;
}
/* ---------------------------------------------------------------------
More thread stuff
------------------------------------------------------------------ */
void VG_(cleanup_thread) ( ThreadArchState* arch )
{
}
void setup_child ( /*OUT*/ ThreadArchState *child,
/*IN*/ ThreadArchState *parent )
{
/* We inherit our parent's guest state. */
child->vex = parent->vex;
child->vex_shadow1 = parent->vex_shadow1;
child->vex_shadow2 = parent->vex_shadow2;
}
/* ---------------------------------------------------------------------
PRE/POST wrappers for ppc64/Linux-specific syscalls
------------------------------------------------------------------ */
#define PRE(name) DEFN_PRE_TEMPLATE(ppc64_linux, name)
#define POST(name) DEFN_POST_TEMPLATE(ppc64_linux, name)
/* Add prototypes for the wrappers declared here, so that gcc doesn't
harass us for not having prototypes. Really this is a kludge --
the right thing to do is to make these wrappers 'static' since they
aren't visible outside this file, but that requires even more macro
magic. */
DECL_TEMPLATE(ppc64_linux, sys_socketcall);
DECL_TEMPLATE(ppc64_linux, sys_mmap);
//zz DECL_TEMPLATE(ppc64_linux, sys_mmap2);
//zz DECL_TEMPLATE(ppc64_linux, sys_stat64);
//zz DECL_TEMPLATE(ppc64_linux, sys_lstat64);
//zz DECL_TEMPLATE(ppc64_linux, sys_fstat64);
DECL_TEMPLATE(ppc64_linux, sys_ipc);
DECL_TEMPLATE(ppc64_linux, sys_clone);
//zz DECL_TEMPLATE(ppc64_linux, sys_sigreturn);
DECL_TEMPLATE(ppc64_linux, sys_rt_sigreturn);
//zz DECL_TEMPLATE(ppc64_linux, sys_sigaction);
DECL_TEMPLATE(ppc64_linux, sys_fadvise64);
PRE(sys_socketcall)
{
# define ARG2_0 (((UWord*)ARG2)[0])
# define ARG2_1 (((UWord*)ARG2)[1])
# define ARG2_2 (((UWord*)ARG2)[2])
# define ARG2_3 (((UWord*)ARG2)[3])
# define ARG2_4 (((UWord*)ARG2)[4])
# define ARG2_5 (((UWord*)ARG2)[5])
*flags |= SfMayBlock;
PRINT("sys_socketcall ( %ld, %#lx )",ARG1,ARG2);
PRE_REG_READ2(long, "socketcall", int, call, unsigned long *, args);
switch (ARG1 /* request */) {
case VKI_SYS_SOCKETPAIR:
/* int socketpair(int d, int type, int protocol, int sv[2]); */
PRE_MEM_READ( "socketcall.socketpair(args)", ARG2, 4*sizeof(Addr) );
ML_(generic_PRE_sys_socketpair)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3 );
break;
case VKI_SYS_SOCKET:
/* int socket(int domain, int type, int protocol); */
PRE_MEM_READ( "socketcall.socket(args)", ARG2, 3*sizeof(Addr) );
break;
case VKI_SYS_BIND:
/* int bind(int sockfd, struct sockaddr *my_addr,
int addrlen); */
PRE_MEM_READ( "socketcall.bind(args)", ARG2, 3*sizeof(Addr) );
ML_(generic_PRE_sys_bind)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_LISTEN:
/* int listen(int s, int backlog); */
PRE_MEM_READ( "socketcall.listen(args)", ARG2, 2*sizeof(Addr) );
break;
case VKI_SYS_ACCEPT: {
/* int accept(int s, struct sockaddr *addr, int *addrlen); */
PRE_MEM_READ( "socketcall.accept(args)", ARG2, 3*sizeof(Addr) );
ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
}
case VKI_SYS_ACCEPT4: {
/* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */
PRE_MEM_READ( "socketcall.accept4(args)", ARG2, 4*sizeof(Addr) );
ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
}
case VKI_SYS_SENDTO:
/* int sendto(int s, const void *msg, int len,
unsigned int flags,
const struct sockaddr *to, int tolen); */
PRE_MEM_READ( "socketcall.sendto(args)", ARG2, 6*sizeof(Addr) );
ML_(generic_PRE_sys_sendto)( tid, ARG2_0, ARG2_1, ARG2_2,
ARG2_3, ARG2_4, ARG2_5 );
break;
case VKI_SYS_SEND:
/* int send(int s, const void *msg, size_t len, int flags); */
PRE_MEM_READ( "socketcall.send(args)", ARG2, 4*sizeof(Addr) );
ML_(generic_PRE_sys_send)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_RECVFROM:
/* int recvfrom(int s, void *buf, int len, unsigned int flags,
struct sockaddr *from, int *fromlen); */
PRE_MEM_READ( "socketcall.recvfrom(args)", ARG2, 6*sizeof(Addr) );
ML_(generic_PRE_sys_recvfrom)( tid, ARG2_0, ARG2_1, ARG2_2,
ARG2_3, ARG2_4, ARG2_5 );
break;
case VKI_SYS_RECV:
/* int recv(int s, void *buf, int len, unsigned int flags); */
/* man 2 recv says:
The recv call is normally used only on a connected socket
(see connect(2)) and is identical to recvfrom with a NULL
from parameter.
*/
PRE_MEM_READ( "socketcall.recv(args)", ARG2, 4*sizeof(Addr) );
ML_(generic_PRE_sys_recv)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_CONNECT:
/* int connect(int sockfd,
struct sockaddr *serv_addr, int addrlen ); */
PRE_MEM_READ( "socketcall.connect(args)", ARG2, 3*sizeof(Addr) );
ML_(generic_PRE_sys_connect)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_SETSOCKOPT:
/* int setsockopt(int s, int level, int optname,
const void *optval, int optlen); */
PRE_MEM_READ( "socketcall.setsockopt(args)", ARG2, 5*sizeof(Addr) );
ML_(generic_PRE_sys_setsockopt)( tid, ARG2_0, ARG2_1, ARG2_2,
ARG2_3, ARG2_4 );
break;
case VKI_SYS_GETSOCKOPT:
/* int getsockopt(int s, int level, int optname,
void *optval, socklen_t *optlen); */
PRE_MEM_READ( "socketcall.getsockopt(args)", ARG2, 5*sizeof(Addr) );
ML_(linux_PRE_sys_getsockopt)( tid, ARG2_0, ARG2_1, ARG2_2,
ARG2_3, ARG2_4 );
break;
case VKI_SYS_GETSOCKNAME:
/* int getsockname(int s, struct sockaddr* name, int* namelen) */
PRE_MEM_READ( "socketcall.getsockname(args)", ARG2, 3*sizeof(Addr) );
ML_(generic_PRE_sys_getsockname)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_GETPEERNAME:
/* int getpeername(int s, struct sockaddr* name, int* namelen) */
PRE_MEM_READ( "socketcall.getpeername(args)", ARG2, 3*sizeof(Addr) );
ML_(generic_PRE_sys_getpeername)( tid, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_SHUTDOWN:
/* int shutdown(int s, int how); */
PRE_MEM_READ( "socketcall.shutdown(args)", ARG2, 2*sizeof(Addr) );
break;
case VKI_SYS_SENDMSG: {
/* int sendmsg(int s, const struct msghdr *msg, int flags); */
/* this causes warnings, and I don't get why. glibc bug?
* (after all it's glibc providing the arguments array)
PRE_MEM_READ( "socketcall.sendmsg(args)", ARG2, 3*sizeof(Addr) );
*/
ML_(generic_PRE_sys_sendmsg)( tid, ARG2_0, ARG2_1 );
break;
}
case VKI_SYS_RECVMSG: {
/* int recvmsg(int s, struct msghdr *msg, int flags); */
/* this causes warnings, and I don't get why. glibc bug?
* (after all it's glibc providing the arguments array)
PRE_MEM_READ("socketcall.recvmsg(args)", ARG2, 3*sizeof(Addr) );
*/
ML_(generic_PRE_sys_recvmsg)( tid, ARG2_0, ARG2_1 );
break;
}
default:
VG_(message)(Vg_DebugMsg,"Warning: unhandled socketcall 0x%lx\n",ARG1);
SET_STATUS_Failure( VKI_EINVAL );
break;
}
# undef ARG2_0
# undef ARG2_1
# undef ARG2_2
# undef ARG2_3
# undef ARG2_4
# undef ARG2_5
}
POST(sys_socketcall)
{
# define ARG2_0 (((UWord*)ARG2)[0])
# define ARG2_1 (((UWord*)ARG2)[1])
# define ARG2_2 (((UWord*)ARG2)[2])
# define ARG2_3 (((UWord*)ARG2)[3])
# define ARG2_4 (((UWord*)ARG2)[4])
# define ARG2_5 (((UWord*)ARG2)[5])
SysRes r;
vg_assert(SUCCESS);
switch (ARG1 /* request */) {
case VKI_SYS_SOCKETPAIR:
r = ML_(generic_POST_sys_socketpair)(
tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1, ARG2_2, ARG2_3
);
SET_STATUS_from_SysRes(r);
break;
case VKI_SYS_SOCKET:
r = ML_(generic_POST_sys_socket)( tid, VG_(mk_SysRes_Success)(RES) );
SET_STATUS_from_SysRes(r);
break;
case VKI_SYS_BIND:
/* int bind(int sockfd, struct sockaddr *my_addr,
int addrlen); */
break;
case VKI_SYS_LISTEN:
/* int listen(int s, int backlog); */
break;
case VKI_SYS_ACCEPT:
case VKI_SYS_ACCEPT4:
/* int accept(int s, struct sockaddr *addr, int *addrlen); */
/* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */
r = ML_(generic_POST_sys_accept)( tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1, ARG2_2 );
SET_STATUS_from_SysRes(r);
break;
case VKI_SYS_SENDTO:
break;
case VKI_SYS_SEND:
break;
case VKI_SYS_RECVFROM:
ML_(generic_POST_sys_recvfrom)( tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1, ARG2_2,
ARG2_3, ARG2_4, ARG2_5 );
break;
case VKI_SYS_RECV:
ML_(generic_POST_sys_recv)( tid, RES, ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_CONNECT:
break;
case VKI_SYS_SETSOCKOPT:
break;
case VKI_SYS_GETSOCKOPT:
ML_(linux_POST_sys_getsockopt)( tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1,
ARG2_2, ARG2_3, ARG2_4 );
break;
case VKI_SYS_GETSOCKNAME:
ML_(generic_POST_sys_getsockname)( tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_GETPEERNAME:
ML_(generic_POST_sys_getpeername)( tid, VG_(mk_SysRes_Success)(RES),
ARG2_0, ARG2_1, ARG2_2 );
break;
case VKI_SYS_SHUTDOWN:
break;
case VKI_SYS_SENDMSG:
break;
case VKI_SYS_RECVMSG:
ML_(generic_POST_sys_recvmsg)( tid, ARG2_0, ARG2_1 );
break;
default:
VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%lx\n",ARG1);
VG_(core_panic)("... bye!\n");
break; /*NOTREACHED*/
}
# undef ARG2_0
# undef ARG2_1
# undef ARG2_2
# undef ARG2_3
# undef ARG2_4
# undef ARG2_5
}
PRE(sys_mmap)
{
SysRes r;
PRINT("sys_mmap ( %#lx, %llu, %ld, %ld, %ld, %ld )",
ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 );
PRE_REG_READ6(long, "mmap",
unsigned long, start, unsigned long, length,
unsigned long, prot, unsigned long, flags,
unsigned long, fd, unsigned long, offset);
r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5,
(Off64T)ARG6 );
SET_STATUS_from_SysRes(r);
}
//zz PRE(sys_mmap2)
//zz {
//zz SysRes r;
//zz
//zz // Exactly like old_mmap() except:
//zz // - the file offset is specified in 4K units rather than bytes,
//zz // so that it can be used for files bigger than 2^32 bytes.
//zz PRINT("sys_mmap2 ( %p, %llu, %d, %d, %d, %d )",
//zz ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 );
//zz PRE_REG_READ6(long, "mmap2",
//zz unsigned long, start, unsigned long, length,
//zz unsigned long, prot, unsigned long, flags,
//zz unsigned long, fd, unsigned long, offset);
//zz
//zz r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5,
//zz 4096 * (Off64T)ARG6 );
//zz SET_STATUS_from_SysRes(r);
//zz }
//zz
//zz // XXX: lstat64/fstat64/stat64 are generic, but not necessarily
//zz // applicable to every architecture -- I think only to 32-bit archs.
//zz // We're going to need something like linux/core_os32.h for such
//zz // things, eventually, I think. --njn
//zz PRE(sys_stat64)
//zz {
//zz PRINT("sys_stat64 ( %p, %p )",ARG1,ARG2);
//zz PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf);
//zz PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 );
//zz PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) );
//zz }
//zz
//zz POST(sys_stat64)
//zz {
//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
//zz }
//zz
//zz PRE(sys_lstat64)
//zz {
//zz PRINT("sys_lstat64 ( %p(%s), %p )",ARG1,ARG1,ARG2);
//zz PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf);
//zz PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 );
//zz PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) );
//zz }
//zz
//zz POST(sys_lstat64)
//zz {
//zz vg_assert(SUCCESS);
//zz if (RES == 0) {
//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
//zz }
//zz }
//zz
//zz PRE(sys_fstat64)
//zz {
//zz PRINT("sys_fstat64 ( %d, %p )",ARG1,ARG2);
//zz PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf);
//zz PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) );
//zz }
//zz
//zz POST(sys_fstat64)
//zz {
//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
//zz }
static Addr deref_Addr ( ThreadId tid, Addr a, Char* s )
{
Addr* a_p = (Addr*)a;
PRE_MEM_READ( s, (Addr)a_p, sizeof(Addr) );
return *a_p;
}
PRE(sys_ipc)
{
PRINT("sys_ipc ( %ld, %ld, %ld, %ld, %#lx, %ld )", ARG1,ARG2,ARG3,ARG4,ARG5,ARG6);
// XXX: this is simplistic -- some args are not used in all circumstances.
PRE_REG_READ6(int, "ipc",
vki_uint, call, int, first, int, second, int, third,
void *, ptr, long, fifth)
switch (ARG1 /* call */) {
case VKI_SEMOP:
ML_(generic_PRE_sys_semop)( tid, ARG2, ARG5, ARG3 );
*flags |= SfMayBlock;
break;
case VKI_SEMGET:
break;
case VKI_SEMCTL:
{
UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" );
ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg );
break;
}
case VKI_SEMTIMEDOP:
ML_(generic_PRE_sys_semtimedop)( tid, ARG2, ARG5, ARG3, ARG6 );
*flags |= SfMayBlock;
break;
case VKI_MSGSND:
ML_(linux_PRE_sys_msgsnd)( tid, ARG2, ARG5, ARG3, ARG4 );
if ((ARG4 & VKI_IPC_NOWAIT) == 0)
*flags |= SfMayBlock;
break;
case VKI_MSGRCV:
{
Addr msgp;
Word msgtyp;
msgp = deref_Addr( tid,
(Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp),
"msgrcv(msgp)" );
msgtyp = deref_Addr( tid,
(Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp),
"msgrcv(msgp)" );
ML_(linux_PRE_sys_msgrcv)( tid, ARG2, msgp, ARG3, msgtyp, ARG4 );
if ((ARG4 & VKI_IPC_NOWAIT) == 0)
*flags |= SfMayBlock;
break;
}
case VKI_MSGGET:
break;
case VKI_MSGCTL:
ML_(linux_PRE_sys_msgctl)( tid, ARG2, ARG3, ARG5 );
break;
case VKI_SHMAT:
{
UWord w;
PRE_MEM_WRITE( "shmat(raddr)", ARG4, sizeof(Addr) );
w = ML_(generic_PRE_sys_shmat)( tid, ARG2, ARG5, ARG3 );
if (w == 0)
SET_STATUS_Failure( VKI_EINVAL );
else
ARG5 = w;
break;
}
case VKI_SHMDT:
if (!ML_(generic_PRE_sys_shmdt)(tid, ARG5))
SET_STATUS_Failure( VKI_EINVAL );
break;
case VKI_SHMGET:
break;
case VKI_SHMCTL: /* IPCOP_shmctl */
ML_(generic_PRE_sys_shmctl)( tid, ARG2, ARG3, ARG5 );
break;
default:
VG_(message)(Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %ld\n", ARG1 );
VG_(core_panic)("... bye!\n");
break; /*NOTREACHED*/
}
}
POST(sys_ipc)
{
vg_assert(SUCCESS);
switch (ARG1 /* call */) {
case VKI_SEMOP:
case VKI_SEMGET:
break;
case VKI_SEMCTL:
{
UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" );
ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg );
break;
}
case VKI_SEMTIMEDOP:
case VKI_MSGSND:
break;
case VKI_MSGRCV:
{
Addr msgp;
Word msgtyp;
msgp = deref_Addr( tid,
(Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp),
"msgrcv(msgp)" );
msgtyp = deref_Addr( tid,
(Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp),
"msgrcv(msgp)" );
ML_(linux_POST_sys_msgrcv)( tid, RES, ARG2, msgp, ARG3, msgtyp, ARG4 );
break;
}
case VKI_MSGGET:
break;
case VKI_MSGCTL:
ML_(linux_POST_sys_msgctl)( tid, RES, ARG2, ARG3, ARG5 );
break;
case VKI_SHMAT:
{
Addr addr;
/* force readability. before the syscall it is
* indeed uninitialized, as can be seen in
* glibc/sysdeps/unix/sysv/linux/shmat.c */
POST_MEM_WRITE( ARG4, sizeof( Addr ) );
addr = deref_Addr ( tid, ARG4, "shmat(addr)" );
ML_(generic_POST_sys_shmat)( tid, addr, ARG2, ARG5, ARG3 );
break;
}
case VKI_SHMDT:
ML_(generic_POST_sys_shmdt)( tid, RES, ARG5 );
break;
case VKI_SHMGET:
break;
case VKI_SHMCTL:
ML_(generic_POST_sys_shmctl)( tid, RES, ARG2, ARG3, ARG5 );
break;
default:
VG_(message)(Vg_DebugMsg,
"FATAL: unhandled syscall(ipc) %ld\n",
ARG1 );
VG_(core_panic)("... bye!\n");
break; /*NOTREACHED*/
}
}
PRE(sys_clone)
{
UInt cloneflags;
PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5);
PRE_REG_READ5(int, "clone",
unsigned long, flags,
void *, child_stack,
int *, parent_tidptr,
void *, child_tls,
int *, child_tidptr);
if (ARG1 & VKI_CLONE_PARENT_SETTID) {
PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int));
if (!VG_(am_is_valid_for_client)(ARG3, sizeof(Int),
VKI_PROT_WRITE)) {
SET_STATUS_Failure( VKI_EFAULT );
return;
}
}
if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) {
PRE_MEM_WRITE("clone(child_tidptr)", ARG5, sizeof(Int));
if (!VG_(am_is_valid_for_client)(ARG5, sizeof(Int),
VKI_PROT_WRITE)) {
SET_STATUS_Failure( VKI_EFAULT );
return;
}
}
cloneflags = ARG1;
if (!ML_(client_signal_OK)(ARG1 & VKI_CSIGNAL)) {
SET_STATUS_Failure( VKI_EINVAL );
return;
}
/* Only look at the flags we really care about */
switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS
| VKI_CLONE_FILES | VKI_CLONE_VFORK)) {
case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES:
/* thread creation */
SET_STATUS_from_SysRes(
do_clone(tid,
ARG1, /* flags */
(Addr)ARG2, /* child SP */
(Int *)ARG3, /* parent_tidptr */
(Int *)ARG5, /* child_tidptr */
(Addr)ARG4)); /* child_tls */
break;
case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */
/* FALLTHROUGH - assume vfork == fork */
cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM);
case 0: /* plain fork */
SET_STATUS_from_SysRes(
ML_(do_fork_clone)(tid,
cloneflags, /* flags */
(Int *)ARG3, /* parent_tidptr */
(Int *)ARG5)); /* child_tidptr */
break;
default:
/* should we just ENOSYS? */
VG_(message)(Vg_UserMsg, "Unsupported clone() flags: 0x%lx\n", ARG1);
VG_(message)(Vg_UserMsg, "\n");
VG_(message)(Vg_UserMsg, "The only supported clone() uses are:\n");
VG_(message)(Vg_UserMsg, " - via a threads library (LinuxThreads or NPTL)\n");
VG_(message)(Vg_UserMsg, " - via the implementation of fork or vfork\n");
VG_(unimplemented)
("Valgrind does not support general clone().");
}
if (SUCCESS) {
if (ARG1 & VKI_CLONE_PARENT_SETTID)
POST_MEM_WRITE(ARG3, sizeof(Int));
if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID))
POST_MEM_WRITE(ARG5, sizeof(Int));
/* Thread creation was successful; let the child have the chance
to run */
*flags |= SfYieldAfter;
}
}
PRE(sys_fadvise64)
{
PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", ARG1,ARG2,ARG3,ARG4);
PRE_REG_READ4(long, "fadvise64",
int, fd, vki_loff_t, offset, vki_size_t, len, int, advice);
}
PRE(sys_rt_sigreturn)
{
/* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
an explanation of what follows. */
ThreadState* tst;
PRINT("sys_rt_sigreturn ( )");
vg_assert(VG_(is_valid_tid)(tid));
vg_assert(tid >= 1 && tid < VG_N_THREADS);
vg_assert(VG_(is_running_thread)(tid));
///* Adjust esp to point to start of frame; skip back up over handler
// ret addr */
tst = VG_(get_ThreadState)(tid);
//tst->arch.vex.guest_ESP -= sizeof(Addr);
// Should we do something equivalent on ppc64-linux? Who knows.
///* This is only so that the EIP is (might be) useful to report if
// something goes wrong in the sigreturn */
//ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
// Should we do something equivalent on ppc64? Who knows.
/* Restore register state from frame and remove it */
VG_(sigframe_destroy)(tid, True);
/* Tell the driver not to update the guest state with the "result",
and set a bogus result to keep it happy. */
*flags |= SfNoWriteResult;
SET_STATUS_Success(0);
/* Check to see if any signals arose as a result of this. */
*flags |= SfPollAfter;
}
//zz /* Convert from non-RT to RT sigset_t's */
//zz static
//zz void convert_sigset_to_rt(const vki_old_sigset_t *oldset, vki_sigset_t *set)
//zz {
//zz VG_(sigemptyset)(set);
//zz set->sig[0] = *oldset;
//zz }
//zz PRE(sys_sigaction)
//zz {
//zz struct vki_sigaction new, old;
//zz struct vki_sigaction *newp, *oldp;
//zz
//zz PRINT("sys_sigaction ( %d, %p, %p )", ARG1,ARG2,ARG3);
//zz PRE_REG_READ3(int, "sigaction",
//zz int, signum, const struct old_sigaction *, act,
//zz struct old_sigaction *, oldact);
//zz
//zz newp = oldp = NULL;
//zz
//zz if (ARG2 != 0) {
//zz struct vki_old_sigaction *sa = (struct vki_old_sigaction *)ARG2;
//zz PRE_MEM_READ( "sigaction(act->sa_handler)", (Addr)&sa->ksa_handler, sizeof(sa->ksa_handler));
//zz PRE_MEM_READ( "sigaction(act->sa_mask)", (Addr)&sa->sa_mask, sizeof(sa->sa_mask));
//zz PRE_MEM_READ( "sigaction(act->sa_flags)", (Addr)&sa->sa_flags, sizeof(sa->sa_flags));
//zz if (ML_(safe_to_deref)(sa,sizeof(sa))
//zz && (sa->sa_flags & VKI_SA_RESTORER))
//zz PRE_MEM_READ( "sigaction(act->sa_restorer)", (Addr)&sa->sa_restorer, sizeof(sa->sa_restorer));
//zz }
//zz
//zz if (ARG3 != 0) {
//zz PRE_MEM_WRITE( "sigaction(oldact)", ARG3, sizeof(struct vki_old_sigaction));
//zz oldp = &old;
//zz }
//zz
//zz //jrs 20050207: what?! how can this make any sense?
//zz //if (VG_(is_kerror)(SYSRES))
//zz // return;
//zz
//zz if (ARG2 != 0) {
//zz struct vki_old_sigaction *oldnew = (struct vki_old_sigaction *)ARG2;
//zz
//zz new.ksa_handler = oldnew->ksa_handler;
//zz new.sa_flags = oldnew->sa_flags;
//zz new.sa_restorer = oldnew->sa_restorer;
//zz convert_sigset_to_rt(&oldnew->sa_mask, &new.sa_mask);
//zz newp = &new;
//zz }
//zz
//zz SET_STATUS_from_SysRes( VG_(do_sys_sigaction)(ARG1, newp, oldp) );
//zz
//zz if (ARG3 != 0 && SUCCESS && RES == 0) {
//zz struct vki_old_sigaction *oldold = (struct vki_old_sigaction *)ARG3;
//zz
//zz oldold->ksa_handler = oldp->ksa_handler;
//zz oldold->sa_flags = oldp->sa_flags;
//zz oldold->sa_restorer = oldp->sa_restorer;
//zz oldold->sa_mask = oldp->sa_mask.sig[0];
//zz }
//zz }
//zz
//zz POST(sys_sigaction)
//zz {
//zz vg_assert(SUCCESS);
//zz if (RES == 0 && ARG3 != 0)
//zz POST_MEM_WRITE( ARG3, sizeof(struct vki_old_sigaction));
//zz }
#undef PRE
#undef POST
/* ---------------------------------------------------------------------
The ppc64/Linux syscall table
------------------------------------------------------------------ */
/* Add an ppc64-linux specific wrapper to a syscall table. */
#define PLAX_(sysno, name) WRAPPER_ENTRY_X_(ppc64_linux, sysno, name)
#define PLAXY(sysno, name) WRAPPER_ENTRY_XY(ppc64_linux, sysno, name)
// This table maps from __NR_xxx syscall numbers (from
// linux/include/asm-ppc/unistd.h) to the appropriate PRE/POST sys_foo()
// wrappers on ppc64 (as per sys_call_table in linux/arch/ppc/kernel/entry.S).
//
// For those syscalls not handled by Valgrind, the annotation indicate its
// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
// (unknown).
static SyscallTableEntry syscall_table[] = {
// _____(__NR_restart_syscall, sys_restart_syscall), // 0
GENX_(__NR_exit, sys_exit), // 1
GENX_(__NR_fork, sys_fork), // 2
GENXY(__NR_read, sys_read), // 3
GENX_(__NR_write, sys_write), // 4
GENXY(__NR_open, sys_open), // 5
GENXY(__NR_close, sys_close), // 6
GENXY(__NR_waitpid, sys_waitpid), // 7
GENXY(__NR_creat, sys_creat), // 8
GENX_(__NR_link, sys_link), // 9
GENX_(__NR_unlink, sys_unlink), // 10
GENX_(__NR_execve, sys_execve), // 11
GENX_(__NR_chdir, sys_chdir), // 12
GENXY(__NR_time, sys_time), // 13
GENX_(__NR_mknod, sys_mknod), // 14
GENX_(__NR_chmod, sys_chmod), // 15
GENX_(__NR_lchown, sys_lchown), // 16
// _____(__NR_break, sys_break), // 17
// _____(__NR_oldstat, sys_oldstat), // 18
LINX_(__NR_lseek, sys_lseek), // 19
GENX_(__NR_getpid, sys_getpid), // 20
LINX_(__NR_mount, sys_mount), // 21
// _____(__NR_umount, sys_umount), // 22
GENX_(__NR_setuid, sys_setuid), // 23
GENX_(__NR_getuid, sys_getuid), // 24
// _____(__NR_stime, sys_stime), // 25
// _____(__NR_ptrace, sys_ptrace), // 26
GENX_(__NR_alarm, sys_alarm), // 27
// _____(__NR_oldfstat, sys_oldfstat), // 28
GENX_(__NR_pause, sys_pause), // 29
LINX_(__NR_utime, sys_utime), // 30
// _____(__NR_stty, sys_stty), // 31
// _____(__NR_gtty, sys_gtty), // 32
GENX_(__NR_access, sys_access), // 33
// _____(__NR_nice, sys_nice), // 34
// _____(__NR_ftime, sys_ftime), // 35
// _____(__NR_sync, sys_sync), // 36
GENX_(__NR_kill, sys_kill), // 37
GENX_(__NR_rename, sys_rename), // 38
GENX_(__NR_mkdir, sys_mkdir), // 39
GENX_(__NR_rmdir, sys_rmdir), // 40
GENXY(__NR_dup, sys_dup), // 41
LINXY(__NR_pipe, sys_pipe), // 42
GENXY(__NR_times, sys_times), // 43
// _____(__NR_prof, sys_prof), // 44
GENX_(__NR_brk, sys_brk), // 45
GENX_(__NR_setgid, sys_setgid), // 46
GENX_(__NR_getgid, sys_getgid), // 47
// _____(__NR_signal, sys_signal), // 48
GENX_(__NR_geteuid, sys_geteuid), // 49
GENX_(__NR_getegid, sys_getegid), // 50
// _____(__NR_acct, sys_acct), // 51
LINX_(__NR_umount2, sys_umount), // 52
// _____(__NR_lock, sys_lock), // 53
LINXY(__NR_ioctl, sys_ioctl), // 54
LINXY(__NR_fcntl, sys_fcntl), // 55
// _____(__NR_mpx, sys_mpx), // 56
GENX_(__NR_setpgid, sys_setpgid), // 57
// _____(__NR_ulimit, sys_ulimit), // 58
// _____(__NR_oldolduname, sys_oldolduname), // 59
GENX_(__NR_umask, sys_umask), // 60
GENX_(__NR_chroot, sys_chroot), // 61
// _____(__NR_ustat, sys_ustat), // 62
GENXY(__NR_dup2, sys_dup2), // 63
GENX_(__NR_getppid, sys_getppid), // 64
GENX_(__NR_getpgrp, sys_getpgrp), // 65
GENX_(__NR_setsid, sys_setsid), // 66
// _____(__NR_sigaction, sys_sigaction), // 67
// _____(__NR_sgetmask, sys_sgetmask), // 68
// _____(__NR_ssetmask, sys_ssetmask), // 69
GENX_(__NR_setreuid, sys_setreuid), // 70
GENX_(__NR_setregid, sys_setregid), // 71
// _____(__NR_sigsuspend, sys_sigsuspend), // 72
// _____(__NR_sigpending, sys_sigpending), // 73
// _____(__NR_sethostname, sys_sethostname), // 74
GENX_(__NR_setrlimit, sys_setrlimit), // 75
// _____(__NR_getrlimit, sys_getrlimit), // 76
GENXY(__NR_getrusage, sys_getrusage), // 77
GENXY(__NR_gettimeofday, sys_gettimeofday), // 78
// _____(__NR_settimeofday, sys_settimeofday), // 79
GENXY(__NR_getgroups, sys_getgroups), // 80
GENX_(__NR_setgroups, sys_setgroups), // 81
// _____(__NR_select, sys_select), // 82
GENX_(__NR_symlink, sys_symlink), // 83
// _____(__NR_oldlstat, sys_oldlstat), // 84
GENX_(__NR_readlink, sys_readlink), // 85
// _____(__NR_uselib, sys_uselib), // 86
// _____(__NR_swapon, sys_swapon), // 87
// _____(__NR_reboot, sys_reboot), // 88
// _____(__NR_readdir, sys_readdir), // 89
PLAX_(__NR_mmap, sys_mmap), // 90
GENXY(__NR_munmap, sys_munmap), // 91
GENX_(__NR_truncate, sys_truncate), // 92
GENX_(__NR_ftruncate, sys_ftruncate), // 93
GENX_(__NR_fchmod, sys_fchmod), // 94
GENX_(__NR_fchown, sys_fchown), // 95
// _____(__NR_getpriority, sys_getpriority), // 96
// _____(__NR_setpriority, sys_setpriority), // 97
// _____(__NR_profil, sys_profil), // 98
GENXY(__NR_statfs, sys_statfs), // 99
GENXY(__NR_fstatfs, sys_fstatfs), // 100
// _____(__NR_ioperm, sys_ioperm), // 101
PLAXY(__NR_socketcall, sys_socketcall), // 102
LINXY(__NR_syslog, sys_syslog), // 103
GENXY(__NR_setitimer, sys_setitimer), // 104
GENXY(__NR_getitimer, sys_getitimer), // 105
GENXY(__NR_stat, sys_newstat), // 106
GENXY(__NR_lstat, sys_newlstat), // 107
GENXY(__NR_fstat, sys_newfstat), // 108
// _____(__NR_olduname, sys_olduname), // 109
// _____(__NR_iopl, sys_iopl), // 110
LINX_(__NR_vhangup, sys_vhangup), // 111
// _____(__NR_idle, sys_idle), // 112
// _____(__NR_vm86, sys_vm86), // 113
GENXY(__NR_wait4, sys_wait4), // 114
// _____(__NR_swapoff, sys_swapoff), // 115
LINXY(__NR_sysinfo, sys_sysinfo), // 116
PLAXY(__NR_ipc, sys_ipc), // 117
GENX_(__NR_fsync, sys_fsync), // 118
// _____(__NR_sigreturn, sys_sigreturn), // 119
PLAX_(__NR_clone, sys_clone), // 120
// _____(__NR_setdomainname, sys_setdomainname), // 121
GENXY(__NR_uname, sys_newuname), // 122
// _____(__NR_modify_ldt, sys_modify_ldt), // 123
LINXY(__NR_adjtimex, sys_adjtimex), // 124
GENXY(__NR_mprotect, sys_mprotect), // 125
// _____(__NR_sigprocmask, sys_sigprocmask), // 126
GENX_(__NR_create_module, sys_ni_syscall), // 127
LINX_(__NR_init_module, sys_init_module), // 128
LINX_(__NR_delete_module, sys_delete_module), // 129
// _____(__NR_get_kernel_syms, sys_get_kernel_syms), // 130
// _____(__NR_quotactl, sys_quotactl), // 131
GENX_(__NR_getpgid, sys_getpgid), // 132
GENX_(__NR_fchdir, sys_fchdir), // 133
// _____(__NR_bdflush, sys_bdflush), // 134
// _____(__NR_sysfs, sys_sysfs), // 135
LINX_(__NR_personality, sys_personality), // 136
// _____(__NR_afs_syscall, sys_afs_syscall), // 137
LINX_(__NR_setfsuid, sys_setfsuid), // 138
LINX_(__NR_setfsgid, sys_setfsgid), // 139
LINXY(__NR__llseek, sys_llseek), // 140
GENXY(__NR_getdents, sys_getdents), // 141
GENX_(__NR__newselect, sys_select), // 142
GENX_(__NR_flock, sys_flock), // 143
GENX_(__NR_msync, sys_msync), // 144
GENXY(__NR_readv, sys_readv), // 145
GENX_(__NR_writev, sys_writev), // 146
// _____(__NR_getsid, sys_getsid), // 147
GENX_(__NR_fdatasync, sys_fdatasync), // 148
LINXY(__NR__sysctl, sys_sysctl), // 149
GENX_(__NR_mlock, sys_mlock), // 150
GENX_(__NR_munlock, sys_munlock), // 151
GENX_(__NR_mlockall, sys_mlockall), // 152
LINX_(__NR_munlockall, sys_munlockall), // 153
LINXY(__NR_sched_setparam, sys_sched_setparam), // 154
LINXY(__NR_sched_getparam, sys_sched_getparam), // 155
LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156
LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157
LINX_(__NR_sched_yield, sys_sched_yield), // 158
LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159
LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160
LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 161
GENXY(__NR_nanosleep, sys_nanosleep), // 162
GENX_(__NR_mremap, sys_mremap), // 163
// _____(__NR_setresuid, sys_setresuid), // 164
LINXY(__NR_getresuid, sys_getresuid), // 165
// _____(__NR_query_module, sys_query_module), // 166
GENXY(__NR_poll, sys_poll), // 167
// _____(__NR_nfsservctl, sys_nfsservctl), // 168
// _____(__NR_setresgid, sys_setresgid), // 169
LINXY(__NR_getresgid, sys_getresgid), // 170
// _____(__NR_prctl, sys_prctl), // 171
PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 172
LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 173
LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 174
// _____(__NR_rt_sigpending, sys_rt_sigpending), // 175
LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 176
LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 177
// _____(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 178
GENXY(__NR_pread64, sys_pread64), // 179
// _____(__NR_pwrite64, sys_pwrite64), // 180
GENX_(__NR_chown, sys_chown), // 181
GENXY(__NR_getcwd, sys_getcwd), // 182
LINXY(__NR_capget, sys_capget), // 183
LINX_(__NR_capset, sys_capset), // 184
GENXY(__NR_sigaltstack, sys_sigaltstack), // 185
LINXY(__NR_sendfile, sys_sendfile), // 186
// _____(__NR_getpmsg, sys_getpmsg), // 187
// _____(__NR_putpmsg, sys_putpmsg), // 188
GENX_(__NR_vfork, sys_fork), // 189 treat as fork
GENXY(__NR_ugetrlimit, sys_getrlimit), // 190
// _____(__NR_readahead, sys_readahead), // 191
// /* #define __NR_mmap2 192 32bit only */
// /* #define __NR_truncate64 193 32bit only */
// /* #define __NR_ftruncate64 194 32bit only */
// /* #define __NR_stat64 195 32bit only */
// /* #define __NR_lstat64 196 32bit only */
// /* #define __NR_fstat64 197 32bit only */
// _____(__NR_pciconfig_read, sys_pciconfig_read), // 198
// _____(__NR_pciconfig_write, sys_pciconfig_write), // 199
// _____(__NR_pciconfig_iobase, sys_pciconfig_iobase), // 200
// _____(__NR_multiplexer, sys_multiplexer), // 201
GENXY(__NR_getdents64, sys_getdents64), // 202
// _____(__NR_pivot_root, sys_pivot_root), // 203
LINXY(__NR_fcntl64, sys_fcntl64), // 204 !!!!?? 32bit only */
GENX_(__NR_madvise, sys_madvise), // 205
// _____(__NR_mincore, sys_mincore), // 206
LINX_(__NR_gettid, sys_gettid), // 207
// _____(__NR_tkill, sys_tkill), // 208
// _____(__NR_setxattr, sys_setxattr), // 209
// _____(__NR_lsetxattr, sys_lsetxattr), // 210
// _____(__NR_fsetxattr, sys_fsetxattr), // 211
LINXY(__NR_getxattr, sys_getxattr), // 212
LINXY(__NR_lgetxattr, sys_lgetxattr), // 213
LINXY(__NR_fgetxattr, sys_fgetxattr), // 214
LINXY(__NR_listxattr, sys_listxattr), // 215
LINXY(__NR_llistxattr, sys_llistxattr), // 216
LINXY(__NR_flistxattr, sys_flistxattr), // 217
LINX_(__NR_removexattr, sys_removexattr), // 218
LINX_(__NR_lremovexattr, sys_lremovexattr), // 219
LINX_(__NR_fremovexattr, sys_fremovexattr), // 220
LINXY(__NR_futex, sys_futex), // 221
LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 222
LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 223
// /* 224 currently unused */
// _____(__NR_tuxcall, sys_tuxcall), // 225
// /* #define __NR_sendfile64 226 32bit only */
LINX_(__NR_io_setup, sys_io_setup), // 227
LINX_(__NR_io_destroy, sys_io_destroy), // 228
LINXY(__NR_io_getevents, sys_io_getevents), // 229
LINX_(__NR_io_submit, sys_io_submit), // 230
LINXY(__NR_io_cancel, sys_io_cancel), // 231
LINX_(__NR_set_tid_address, sys_set_tid_address), // 232
PLAX_(__NR_fadvise64, sys_fadvise64), // 233
LINX_(__NR_exit_group, sys_exit_group), // 234
// _____(__NR_lookup_dcookie, sys_lookup_dcookie), // 235
LINXY(__NR_epoll_create, sys_epoll_create), // 236
LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 237
LINXY(__NR_epoll_wait, sys_epoll_wait), // 238
// _____(__NR_remap_file_pages, sys_remap_file_pages), // 239
LINXY(__NR_timer_create, sys_timer_create), // 240
LINXY(__NR_timer_settime, sys_timer_settime), // 241
LINXY(__NR_timer_gettime, sys_timer_gettime), // 242
LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 243
LINX_(__NR_timer_delete, sys_timer_delete), // 244
LINX_(__NR_clock_settime, sys_clock_settime), // 245
LINXY(__NR_clock_gettime, sys_clock_gettime), // 246
LINXY(__NR_clock_getres, sys_clock_getres), // 247
LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 248
// _____(__NR_swapcontext, sys_swapcontext), // 249
LINXY(__NR_tgkill, sys_tgkill), // 250
// _____(__NR_utimes, sys_utimes), // 251
// _____(__NR_statfs64, sys_statfs64), // 252
// _____(__NR_fstatfs64, sys_fstatfs64), // 253
// /* #define __NR_fadvise64_64 254 32bit only */
// _____(__NR_rtas, sys_rtas), // 255
// /* Number 256 is reserved for sys_debug_setcontext */
// /* Number 257 is reserved for vserver */
// /* 258 currently unused */
// _____(__NR_mbind, sys_mbind), // 259
// _____(__NR_get_mempolicy, sys_get_mempolicy), // 260
// _____(__NR_set_mempolicy, sys_set_mempolicy), // 261
LINXY(__NR_mq_open, sys_mq_open), // 262
LINX_(__NR_mq_unlink, sys_mq_unlink), // 263
LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 264
LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 265
LINX_(__NR_mq_notify, sys_mq_notify), // 266
LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 267
// _____(__NR_kexec_load, sys_kexec_load), // 268
LINX_(__NR_add_key, sys_add_key), // 269
LINX_(__NR_request_key, sys_request_key), // 270
LINXY(__NR_keyctl, sys_keyctl), // 271
// _____(__NR_waitid, sys_waitid), // 272
LINX_(__NR_ioprio_set, sys_ioprio_set), // 273
LINX_(__NR_ioprio_get, sys_ioprio_get), // 274
LINX_(__NR_inotify_init, sys_inotify_init), // 275
LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 276
LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 277
LINXY(__NR_openat, sys_openat), // 286
LINX_(__NR_mkdirat, sys_mkdirat), // 287
LINX_(__NR_mknodat, sys_mknodat), // 288
LINX_(__NR_fchownat, sys_fchownat), // 289
LINX_(__NR_futimesat, sys_futimesat), // 290
LINXY(__NR_newfstatat, sys_newfstatat), // 291
LINX_(__NR_unlinkat, sys_unlinkat), // 292
LINX_(__NR_renameat, sys_renameat), // 293
LINX_(__NR_linkat, sys_linkat), // 294
LINX_(__NR_symlinkat, sys_symlinkat), // 295
LINX_(__NR_readlinkat, sys_readlinkat), // 296
LINX_(__NR_fchmodat, sys_fchmodat), // 297
LINX_(__NR_faccessat, sys_faccessat), // 298
LINX_(__NR_set_robust_list, sys_set_robust_list), // 299
LINXY(__NR_get_robust_list, sys_get_robust_list), // 300
// LINX_(__NR_move_pages, sys_ni_syscall), // 301
LINXY(__NR_getcpu, sys_getcpu), // 302
LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 303
LINX_(__NR_utimensat, sys_utimensat), // 304
LINXY(__NR_signalfd, sys_signalfd), // 305
LINXY(__NR_timerfd_create, sys_timerfd_create), // 306
LINX_(__NR_eventfd, sys_eventfd), // 307
LINX_(__NR_sync_file_range2, sys_sync_file_range2), // 308
LINX_(__NR_fallocate, sys_fallocate), // 309
// LINXY(__NR_subpage_prot, sys_ni_syscall), // 310
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312
LINXY(__NR_signalfd4, sys_signalfd4), // 313
LINX_(__NR_eventfd2, sys_eventfd2), // 314
LINXY(__NR_epoll_create1, sys_epoll_create1), // 315
LINXY(__NR_dup3, sys_dup3), // 316
LINXY(__NR_pipe2, sys_pipe2), // 317
LINXY(__NR_inotify_init1, sys_inotify_init1), // 318
LINXY(__NR_perf_counter_open, sys_perf_counter_open),// 319
LINXY(__NR_preadv, sys_preadv), // 320
LINX_(__NR_pwritev, sys_pwritev), // 321
LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo) // 322
};
SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
{
const UInt syscall_table_size
= sizeof(syscall_table) / sizeof(syscall_table[0]);
/* Is it in the contiguous initial section of the table? */
if (sysno < syscall_table_size) {
SyscallTableEntry* sys = &syscall_table[sysno];
if (sys->before == NULL)
return NULL; /* no entry */
else
return sys;
}
/* Can't find a wrapper */
return NULL;
}
#endif // defined(VGP_ppc64_linux)
/*--------------------------------------------------------------------*/
/*--- end ---*/
/*--------------------------------------------------------------------*/
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