| |
| /*--------------------------------------------------------------------*/ |
| /*--- Platform-specific syscalls stuff. syswrap-ppc32-linux.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2005-2015 Nicholas Nethercote <njn@valgrind.org> |
| Copyright (C) 2005-2015 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_ppc32_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 "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)(Word), |
| Word arg1 ); |
| // r3 = stack |
| // r4 = retaddr |
| // r5 = f |
| // r6 = arg1 |
| asm( |
| ".text\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 |
| " mtctr %r5\n\t" // f 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 |
| ".previous\n" |
| ); |
| |
| |
| /* |
| 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: |
| |
| int (fn)(void*) in r3 |
| void* child_stack in r4 |
| int flags in r5 |
| void* arg in r6 |
| pid_t* child_tid in r7 |
| pid_t* parent_tid in r8 |
| void* ??? in r9 |
| |
| 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 an Int encoded in the linux-ppc32 way, not a SysRes. |
| */ |
| #define __NR_CLONE VG_STRINGIFY(__NR_clone) |
| #define __NR_EXIT VG_STRINGIFY(__NR_exit) |
| |
| extern |
| ULong do_syscall_clone_ppc32_linux ( Word (*fn)(void *), |
| void* stack, |
| Int flags, |
| void* arg, |
| Int* child_tid, |
| Int* parent_tid, |
| vki_modify_ldt_t * ); |
| asm( |
| ".text\n" |
| ".globl do_syscall_clone_ppc32_linux\n" |
| "do_syscall_clone_ppc32_linux:\n" |
| " stwu 1,-32(1)\n" |
| " stw 29,20(1)\n" |
| " stw 30,24(1)\n" |
| " stw 31,28(1)\n" |
| " mr 30,3\n" // preserve fn |
| " mr 31,6\n" // preserve arg |
| |
| // setup child stack |
| " rlwinm 4,4,0,~0xf\n" // trim sp to multiple of 16 bytes |
| " li 0,0\n" |
| " stwu 0,-16(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 6,2\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" // return CR in r4 (low word of ULong) |
| " cmpwi 3,0\n" // child if retval == 0 |
| " 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" |
| " 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: lwz 29,20(1)\n" |
| " lwz 30,24(1)\n" |
| " lwz 31,28(1)\n" |
| " addi 1,1,32\n" |
| " blr\n" |
| ".previous\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 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; |
| 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_GuestPPC32_get_CR( &ctst->arch.vex ); |
| /* %r3 = 0 */ |
| ctst->arch.vex.guest_GPR3 = 0; |
| /* %cr0.so = 0 */ |
| LibVEX_GuestPPC32_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; |
| |
| ML_(guess_and_register_stack) (sp, ctst); |
| |
| /* 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_assert(VG_(owns_BigLock_LL)(ptid)); |
| 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_GPR2 = 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_ppc32_linux( |
| ML_(start_thread_NORETURN), stack, flags, &VG_(threads)[ctid], |
| child_tidptr, parent_tidptr, NULL |
| ); |
| /* High half word64 is syscall return value. Low half is |
| the entire CR, from which we need to extract CR0.SO. */ |
| /* VG_(printf)("word64 = 0x%llx\n", word64); */ |
| res = VG_(mk_SysRes_ppc32_linux)( |
| /*val*/(UInt)(word64 >> 32), |
| /*errflag*/ (((UInt)word64) >> 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 ppc32/Linux-specific syscalls |
| ------------------------------------------------------------------ */ |
| |
| #define PRE(name) DEFN_PRE_TEMPLATE(ppc32_linux, name) |
| #define POST(name) DEFN_POST_TEMPLATE(ppc32_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(ppc32_linux, sys_mmap); |
| DECL_TEMPLATE(ppc32_linux, sys_mmap2); |
| DECL_TEMPLATE(ppc32_linux, sys_stat64); |
| DECL_TEMPLATE(ppc32_linux, sys_lstat64); |
| DECL_TEMPLATE(ppc32_linux, sys_fstatat64); |
| DECL_TEMPLATE(ppc32_linux, sys_fstat64); |
| DECL_TEMPLATE(ppc32_linux, sys_clone); |
| DECL_TEMPLATE(ppc32_linux, sys_sigreturn); |
| DECL_TEMPLATE(ppc32_linux, sys_rt_sigreturn); |
| DECL_TEMPLATE(ppc32_linux, sys_sigsuspend); |
| DECL_TEMPLATE(ppc32_linux, sys_spu_create); |
| DECL_TEMPLATE(ppc32_linux, sys_spu_run); |
| |
| PRE(sys_mmap) |
| { |
| SysRes r; |
| |
| PRINT("sys_mmap ( %#lx, %lu, %lu, %lu, %lu, %lu )", |
| ARG1, 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); |
| } |
| |
| PRE(sys_mmap2) |
| { |
| SysRes r; |
| |
| // Exactly like old_mmap() except: |
| // - the file offset is specified in 4K units rather than bytes, |
| // so that it can be used for files bigger than 2^32 bytes. |
| PRINT("sys_mmap2 ( %#lx, %lu, %lu, %lu, %lu, %lu )", |
| ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 ); |
| PRE_REG_READ6(long, "mmap2", |
| 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, |
| 4096 * (Off64T)ARG6 ); |
| SET_STATUS_from_SysRes(r); |
| } |
| |
| // XXX: lstat64/fstat64/stat64 are generic, but not necessarily |
| // applicable to every architecture -- I think only to 32-bit archs. |
| // We're going to need something like linux/core_os32.h for such |
| // things, eventually, I think. --njn |
| PRE(sys_stat64) |
| { |
| PRINT("sys_stat64 ( %#lx, %#lx )",ARG1,ARG2); |
| PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf); |
| PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 ); |
| PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| } |
| |
| POST(sys_stat64) |
| { |
| POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| } |
| |
| PRE(sys_lstat64) |
| { |
| PRINT("sys_lstat64 ( %#lx(%s), %#lx )", ARG1, (HChar*)ARG1, ARG2); |
| PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf); |
| PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 ); |
| PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| } |
| |
| POST(sys_lstat64) |
| { |
| vg_assert(SUCCESS); |
| if (RES == 0) { |
| POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| } |
| } |
| |
| PRE(sys_fstatat64) |
| { |
| PRINT("sys_fstatat64 ( %ld, %#lx(%s), %#lx )", SARG1, ARG2, (HChar*)ARG2, |
| ARG3); |
| PRE_REG_READ3(long, "fstatat64", |
| int, dfd, char *, file_name, struct stat64 *, buf); |
| PRE_MEM_RASCIIZ( "fstatat64(file_name)", ARG2 ); |
| PRE_MEM_WRITE( "fstatat64(buf)", ARG3, sizeof(struct vki_stat64) ); |
| } |
| |
| POST(sys_fstatat64) |
| { |
| POST_MEM_WRITE( ARG3, sizeof(struct vki_stat64) ); |
| } |
| |
| PRE(sys_fstat64) |
| { |
| PRINT("sys_fstat64 ( %lu, %#lx )", ARG1, ARG2); |
| PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf); |
| PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) ); |
| } |
| |
| POST(sys_fstat64) |
| { |
| POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); |
| } |
| |
| |
| |
| //.. PRE(old_select, MayBlock) |
| //.. { |
| //.. /* struct sel_arg_struct { |
| //.. unsigned long n; |
| //.. fd_set *inp, *outp, *exp; |
| //.. struct timeval *tvp; |
| //.. }; |
| //.. */ |
| //.. PRE_REG_READ1(long, "old_select", struct sel_arg_struct *, args); |
| //.. PRE_MEM_READ( "old_select(args)", ARG1, 5*sizeof(UWord) ); |
| //.. |
| //.. { |
| //.. UInt* arg_struct = (UInt*)ARG1; |
| //.. UInt a1, a2, a3, a4, a5; |
| //.. |
| //.. a1 = arg_struct[0]; |
| //.. a2 = arg_struct[1]; |
| //.. a3 = arg_struct[2]; |
| //.. a4 = arg_struct[3]; |
| //.. a5 = arg_struct[4]; |
| //.. |
| //.. PRINT("old_select ( %d, %p, %p, %p, %p )", a1,a2,a3,a4,a5); |
| //.. if (a2 != (Addr)NULL) |
| //.. PRE_MEM_READ( "old_select(readfds)", a2, a1/8 /* __FD_SETSIZE/8 */ ); |
| //.. if (a3 != (Addr)NULL) |
| //.. PRE_MEM_READ( "old_select(writefds)", a3, a1/8 /* __FD_SETSIZE/8 */ ); |
| //.. if (a4 != (Addr)NULL) |
| //.. PRE_MEM_READ( "old_select(exceptfds)", a4, a1/8 /* __FD_SETSIZE/8 */ ); |
| //.. if (a5 != (Addr)NULL) |
| //.. PRE_MEM_READ( "old_select(timeout)", a5, sizeof(struct vki_timeval) ); |
| //.. } |
| //.. } |
| |
| 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_sigreturn) |
| { |
| /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for |
| an explanation of what follows. */ |
| |
| //ThreadState* tst; |
| PRINT("sys_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 |
| // sigreturn sequence's "popl %eax" and handler ret addr */ |
| //tst = VG_(get_ThreadState)(tid); |
| //tst->arch.vex.guest_ESP -= sizeof(Addr)+sizeof(Word); |
| // Should we do something equivalent on ppc32? 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 ppc32? Who knows. |
| |
| /* Restore register state from frame and remove it */ |
| VG_(sigframe_destroy)(tid, False); |
| |
| /* 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; |
| } |
| |
| 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("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 ppc32? 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 ppc32? 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; |
| } |
| |
| |
| //.. PRE(sys_modify_ldt, Special) |
| //.. { |
| //.. PRINT("sys_modify_ldt ( %d, %p, %d )", ARG1,ARG2,ARG3); |
| //.. PRE_REG_READ3(int, "modify_ldt", int, func, void *, ptr, |
| //.. unsigned long, bytecount); |
| //.. |
| //.. if (ARG1 == 0) { |
| //.. /* read the LDT into ptr */ |
| //.. PRE_MEM_WRITE( "modify_ldt(ptr)", ARG2, ARG3 ); |
| //.. } |
| //.. if (ARG1 == 1 || ARG1 == 0x11) { |
| //.. /* write the LDT with the entry pointed at by ptr */ |
| //.. PRE_MEM_READ( "modify_ldt(ptr)", ARG2, sizeof(vki_modify_ldt_t) ); |
| //.. } |
| //.. /* "do" the syscall ourselves; the kernel never sees it */ |
| //.. SET_RESULT( VG_(sys_modify_ldt)( tid, ARG1, (void*)ARG2, ARG3 ) ); |
| //.. |
| //.. if (ARG1 == 0 && !VG_(is_kerror)(RES) && RES > 0) { |
| //.. POST_MEM_WRITE( ARG2, RES ); |
| //.. } |
| //.. } |
| |
| //.. PRE(sys_set_thread_area, Special) |
| //.. { |
| //.. PRINT("sys_set_thread_area ( %p )", ARG1); |
| //.. PRE_REG_READ1(int, "set_thread_area", struct user_desc *, u_info) |
| //.. PRE_MEM_READ( "set_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) ); |
| //.. |
| //.. /* "do" the syscall ourselves; the kernel never sees it */ |
| //.. SET_RESULT( VG_(sys_set_thread_area)( tid, (void *)ARG1 ) ); |
| //.. } |
| |
| //.. PRE(sys_get_thread_area, Special) |
| //.. { |
| //.. PRINT("sys_get_thread_area ( %p )", ARG1); |
| //.. PRE_REG_READ1(int, "get_thread_area", struct user_desc *, u_info) |
| //.. PRE_MEM_WRITE( "get_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) ); |
| //.. |
| //.. /* "do" the syscall ourselves; the kernel never sees it */ |
| //.. SET_RESULT( VG_(sys_get_thread_area)( tid, (void *)ARG1 ) ); |
| //.. |
| //.. if (!VG_(is_kerror)(RES)) { |
| //.. POST_MEM_WRITE( ARG1, sizeof(vki_modify_ldt_t) ); |
| //.. } |
| //.. } |
| |
| //.. // Parts of this are ppc32-specific, but the *PEEK* cases are generic. |
| //.. // XXX: Why is the memory pointed to by ARG3 never checked? |
| //.. PRE(sys_ptrace, 0) |
| //.. { |
| //.. PRINT("sys_ptrace ( %d, %d, %p, %p )", ARG1,ARG2,ARG3,ARG4); |
| //.. PRE_REG_READ4(int, "ptrace", |
| //.. long, request, long, pid, long, addr, long, data); |
| //.. switch (ARG1) { |
| //.. case VKI_PTRACE_PEEKTEXT: |
| //.. case VKI_PTRACE_PEEKDATA: |
| //.. case VKI_PTRACE_PEEKUSR: |
| //.. PRE_MEM_WRITE( "ptrace(peek)", ARG4, |
| //.. sizeof (long)); |
| //.. break; |
| //.. case VKI_PTRACE_GETREGS: |
| //.. PRE_MEM_WRITE( "ptrace(getregs)", ARG4, |
| //.. sizeof (struct vki_user_regs_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_GETFPREGS: |
| //.. PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, |
| //.. sizeof (struct vki_user_i387_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_GETFPXREGS: |
| //.. PRE_MEM_WRITE( "ptrace(getfpxregs)", ARG4, |
| //.. sizeof(struct vki_user_fxsr_struct) ); |
| //.. break; |
| //.. case VKI_PTRACE_SETREGS: |
| //.. PRE_MEM_READ( "ptrace(setregs)", ARG4, |
| //.. sizeof (struct vki_user_regs_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_SETFPREGS: |
| //.. PRE_MEM_READ( "ptrace(setfpregs)", ARG4, |
| //.. sizeof (struct vki_user_i387_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_SETFPXREGS: |
| //.. PRE_MEM_READ( "ptrace(setfpxregs)", ARG4, |
| //.. sizeof(struct vki_user_fxsr_struct) ); |
| //.. break; |
| //.. default: |
| //.. break; |
| //.. } |
| //.. } |
| |
| //.. POST(sys_ptrace) |
| //.. { |
| //.. switch (ARG1) { |
| //.. case VKI_PTRACE_PEEKTEXT: |
| //.. case VKI_PTRACE_PEEKDATA: |
| //.. case VKI_PTRACE_PEEKUSR: |
| //.. POST_MEM_WRITE( ARG4, sizeof (long)); |
| //.. break; |
| //.. case VKI_PTRACE_GETREGS: |
| //.. POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_GETFPREGS: |
| //.. POST_MEM_WRITE( ARG4, sizeof (struct vki_user_i387_struct)); |
| //.. break; |
| //.. case VKI_PTRACE_GETFPXREGS: |
| //.. POST_MEM_WRITE( ARG4, sizeof(struct vki_user_fxsr_struct) ); |
| //.. break; |
| //.. default: |
| //.. break; |
| //.. } |
| //.. } |
| |
| /* NB: This is an almost identical clone of versions for x86-linux and |
| arm-linux, which are themselves literally identical. */ |
| PRE(sys_sigsuspend) |
| { |
| /* The C library interface to sigsuspend just takes a pointer to |
| a signal mask but this system call only takes the first word of |
| the signal mask as an argument so only 32 signals are supported. |
| |
| In fact glibc normally uses rt_sigsuspend if it is available as |
| that takes a pointer to the signal mask so supports more signals. |
| */ |
| *flags |= SfMayBlock; |
| PRINT("sys_sigsuspend ( %lu )", ARG1 ); |
| PRE_REG_READ1(int, "sigsuspend", vki_old_sigset_t, mask); |
| } |
| |
| PRE(sys_spu_create) |
| { |
| PRE_MEM_RASCIIZ("stat64(filename)", ARG1); |
| } |
| POST(sys_spu_create) |
| { |
| vg_assert(SUCCESS); |
| } |
| |
| PRE(sys_spu_run) |
| { |
| *flags |= SfMayBlock; |
| if (ARG2 != 0) |
| PRE_MEM_WRITE("npc", ARG2, sizeof(unsigned int)); |
| PRE_MEM_READ("event", ARG3, sizeof(unsigned int)); |
| } |
| POST(sys_spu_run) |
| { |
| if (ARG2 != 0) |
| POST_MEM_WRITE(ARG2, sizeof(unsigned int)); |
| } |
| |
| #undef PRE |
| #undef POST |
| |
| /* --------------------------------------------------------------------- |
| The ppc32/Linux syscall table |
| ------------------------------------------------------------------ */ |
| |
| /* Add an ppc32-linux specific wrapper to a syscall table. */ |
| #define PLAX_(sysno, name) WRAPPER_ENTRY_X_(ppc32_linux, sysno, name) |
| #define PLAXY(sysno, name) WRAPPER_ENTRY_XY(ppc32_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 ppc32 (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[] = { |
| //.. (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 ## P |
| //.. GENX_(__NR_break, sys_ni_syscall), // 17 |
| //.. // (__NR_oldstat, sys_stat), // 18 (obsolete) |
| LINX_(__NR_lseek, sys_lseek), // 19 |
| //.. |
| GENX_(__NR_getpid, sys_getpid), // 20 |
| LINX_(__NR_mount, sys_mount), // 21 |
| LINX_(__NR_umount, sys_oldumount), // 22 |
| GENX_(__NR_setuid, sys_setuid), // 23 ## P |
| GENX_(__NR_getuid, sys_getuid), // 24 ## P |
| //.. |
| //.. // (__NR_stime, sys_stime), // 25 * (SVr4,SVID,X/OPEN) |
| //.. PLAXY(__NR_ptrace, sys_ptrace), // 26 |
| GENX_(__NR_alarm, sys_alarm), // 27 |
| //.. // (__NR_oldfstat, sys_fstat), // 28 * L -- obsolete |
| GENX_(__NR_pause, sys_pause), // 29 |
| //.. |
| LINX_(__NR_utime, sys_utime), // 30 |
| //.. GENX_(__NR_stty, sys_ni_syscall), // 31 |
| //.. GENX_(__NR_gtty, sys_ni_syscall), // 32 |
| GENX_(__NR_access, sys_access), // 33 |
| //.. GENX_(__NR_nice, sys_nice), // 34 |
| //.. |
| //.. GENX_(__NR_ftime, sys_ni_syscall), // 35 |
| GENX_(__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 |
| //.. GENX_(__NR_prof, sys_ni_syscall), // 44 |
| //.. |
| GENX_(__NR_brk, sys_brk), // 45 |
| GENX_(__NR_setgid, sys_setgid), // 46 |
| GENX_(__NR_getgid, sys_getgid), // 47 |
| //.. // (__NR_signal, sys_signal), // 48 */* (ANSI C) |
| GENX_(__NR_geteuid, sys_geteuid), // 49 |
| |
| GENX_(__NR_getegid, sys_getegid), // 50 |
| //.. GENX_(__NR_acct, sys_acct), // 51 |
| LINX_(__NR_umount2, sys_umount), // 52 |
| //.. GENX_(__NR_lock, sys_ni_syscall), // 53 |
| LINXY(__NR_ioctl, sys_ioctl), // 54 |
| //.. |
| LINXY(__NR_fcntl, sys_fcntl), // 55 |
| //.. GENX_(__NR_mpx, sys_ni_syscall), // 56 |
| GENX_(__NR_setpgid, sys_setpgid), // 57 |
| //.. GENX_(__NR_ulimit, sys_ni_syscall), // 58 |
| //.. // (__NR_oldolduname, sys_olduname), // 59 Linux -- obsolete |
| |
| GENX_(__NR_umask, sys_umask), // 60 |
| GENX_(__NR_chroot, sys_chroot), // 61 |
| //.. // (__NR_ustat, sys_ustat) // 62 SVr4 -- deprecated |
| GENXY(__NR_dup2, sys_dup2), // 63 |
| GENX_(__NR_getppid, sys_getppid), // 64 |
| |
| GENX_(__NR_getpgrp, sys_getpgrp), // 65 |
| GENX_(__NR_setsid, sys_setsid), // 66 |
| LINXY(__NR_sigaction, sys_sigaction), // 67 |
| //.. // (__NR_sgetmask, sys_sgetmask), // 68 */* (ANSI C) |
| //.. // (__NR_ssetmask, sys_ssetmask), // 69 */* (ANSI C) |
| //.. |
| GENX_(__NR_setreuid, sys_setreuid), // 70 |
| GENX_(__NR_setregid, sys_setregid), // 71 |
| PLAX_(__NR_sigsuspend, sys_sigsuspend), // 72 |
| LINXY(__NR_sigpending, sys_sigpending), // 73 |
| //.. // (__NR_sethostname, sys_sethostname), // 74 */* |
| //.. |
| GENX_(__NR_setrlimit, sys_setrlimit), // 75 |
| //.. GENXY(__NR_getrlimit, sys_old_getrlimit), // 76 |
| GENXY(__NR_getrusage, sys_getrusage), // 77 |
| GENXY(__NR_gettimeofday, sys_gettimeofday), // 78 |
| //.. GENX_(__NR_settimeofday, sys_settimeofday), // 79 |
| //.. |
| GENXY(__NR_getgroups, sys_getgroups), // 80 |
| GENX_(__NR_setgroups, sys_setgroups), // 81 |
| //.. PLAX_(__NR_select, old_select), // 82 |
| GENX_(__NR_symlink, sys_symlink), // 83 |
| //.. // (__NR_oldlstat, sys_lstat), // 84 -- obsolete |
| //.. |
| GENX_(__NR_readlink, sys_readlink), // 85 |
| //.. // (__NR_uselib, sys_uselib), // 86 */Linux |
| //.. // (__NR_swapon, sys_swapon), // 87 */Linux |
| //.. // (__NR_reboot, sys_reboot), // 88 */Linux |
| //.. // (__NR_readdir, old_readdir), // 89 -- superseded |
| |
| 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 |
| GENX_(__NR_getpriority, sys_getpriority), // 96 |
| GENX_(__NR_setpriority, sys_setpriority), // 97 |
| //.. GENX_(__NR_profil, sys_ni_syscall), // 98 |
| GENXY(__NR_statfs, sys_statfs), // 99 |
| //.. |
| GENXY(__NR_fstatfs, sys_fstatfs), // 100 |
| //.. LINX_(__NR_ioperm, sys_ioperm), // 101 |
| LINXY(__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_uname), // 109 -- obsolete |
| //.. |
| //.. GENX_(__NR_iopl, sys_iopl), // 110 |
| LINX_(__NR_vhangup, sys_vhangup), // 111 |
| //.. GENX_(__NR_idle, sys_ni_syscall), // 112 |
| //.. // (__NR_vm86old, sys_vm86old), // 113 x86/Linux-only |
| GENXY(__NR_wait4, sys_wait4), // 114 |
| //.. |
| //.. // (__NR_swapoff, sys_swapoff), // 115 */Linux |
| LINXY(__NR_sysinfo, sys_sysinfo), // 116 |
| LINXY(__NR_ipc, sys_ipc), // 117 |
| GENX_(__NR_fsync, sys_fsync), // 118 |
| PLAX_(__NR_sigreturn, sys_sigreturn), // 119 ?/Linux |
| //.. |
| PLAX_(__NR_clone, sys_clone), // 120 |
| //.. // (__NR_setdomainname, sys_setdomainname), // 121 */*(?) |
| GENXY(__NR_uname, sys_newuname), // 122 |
| //.. PLAX_(__NR_modify_ldt, sys_modify_ldt), // 123 |
| LINXY(__NR_adjtimex, sys_adjtimex), // 124 |
| |
| GENXY(__NR_mprotect, sys_mprotect), // 125 |
| LINXY(__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 |
| //.. |
| //.. // Nb: get_kernel_syms() was removed 2.4-->2.6 |
| //.. GENX_(__NR_get_kernel_syms, sys_ni_syscall), // 130 |
| //.. LINX_(__NR_quotactl, sys_quotactl), // 131 |
| GENX_(__NR_getpgid, sys_getpgid), // 132 |
| GENX_(__NR_fchdir, sys_fchdir), // 133 |
| //.. // (__NR_bdflush, sys_bdflush), // 134 */Linux |
| //.. |
| //.. // (__NR_sysfs, sys_sysfs), // 135 SVr4 |
| LINX_(__NR_personality, sys_personality), // 136 |
| //.. GENX_(__NR_afs_syscall, sys_ni_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 |
| GENX_(__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 |
| LINX_(__NR_setresuid, sys_setresuid), // 164 |
| |
| LINXY(__NR_getresuid, sys_getresuid), // 165 |
| |
| //.. GENX_(__NR_query_module, sys_ni_syscall), // 166 |
| GENXY(__NR_poll, sys_poll), // 167 |
| //.. // (__NR_nfsservctl, sys_nfsservctl), // 168 */Linux |
| //.. |
| LINX_(__NR_setresgid, sys_setresgid), // 169 |
| LINXY(__NR_getresgid, sys_getresgid), // 170 |
| LINXY(__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 |
| LINXY(__NR_rt_sigpending, sys_rt_sigpending), // 175 |
| LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 176 |
| LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 177 |
| LINX_(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 178 |
| |
| GENXY(__NR_pread64, sys_pread64), // 179 |
| GENX_(__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 |
| //.. GENXY(__NR_getpmsg, sys_getpmsg), // 187 |
| //.. GENX_(__NR_putpmsg, sys_putpmsg), // 188 |
| |
| // Nb: we treat vfork as fork |
| GENX_(__NR_vfork, sys_fork), // 189 |
| GENXY(__NR_ugetrlimit, sys_getrlimit), // 190 |
| LINX_(__NR_readahead, sys_readahead), // 191 */Linux |
| PLAX_(__NR_mmap2, sys_mmap2), // 192 |
| GENX_(__NR_truncate64, sys_truncate64), // 193 |
| GENX_(__NR_ftruncate64, sys_ftruncate64), // 194 |
| //.. |
| |
| PLAXY(__NR_stat64, sys_stat64), // 195 |
| PLAXY(__NR_lstat64, sys_lstat64), // 196 |
| PLAXY(__NR_fstat64, sys_fstat64), // 197 |
| |
| // __NR_pciconfig_read // 198 |
| // __NR_pciconfig_write // 199 |
| // __NR_pciconfig_iobase // 200 |
| // __NR_multiplexer // 201 |
| |
| GENXY(__NR_getdents64, sys_getdents64), // 202 |
| LINX_(__NR_pivot_root, sys_pivot_root), // 203 |
| LINXY(__NR_fcntl64, sys_fcntl64), // 204 |
| GENX_(__NR_madvise, sys_madvise), // 205 |
| GENXY(__NR_mincore, sys_mincore), // 206 |
| LINX_(__NR_gettid, sys_gettid), // 207 |
| //.. LINX_(__NR_tkill, sys_tkill), // 208 */Linux |
| LINX_(__NR_setxattr, sys_setxattr), // 209 |
| LINX_(__NR_lsetxattr, sys_lsetxattr), // 210 |
| LINX_(__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 // 225 |
| |
| LINXY(__NR_sendfile64, sys_sendfile64), // 226 |
| //.. |
| 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 |
| |
| LINX_(__NR_fadvise64, sys_fadvise64), // 233 */(Linux?) |
| LINX_(__NR_exit_group, sys_exit_group), // 234 |
| //.. GENXY(__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 */Linux |
| 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 // 249 |
| |
| LINXY(__NR_tgkill, sys_tgkill), // 250 */Linux |
| //.. GENX_(__NR_utimes, sys_utimes), // 251 |
| GENXY(__NR_statfs64, sys_statfs64), // 252 |
| GENXY(__NR_fstatfs64, sys_fstatfs64), // 253 |
| LINX_(__NR_fadvise64_64, sys_fadvise64_64), // 254 */(Linux?) |
| |
| // __NR_rtas // 255 |
| |
| /* Number 256 is reserved for sys_debug_setcontext */ |
| /* Number 257 is reserved for vserver */ |
| /* Number 258 is reserved for new sys_remap_file_pages */ |
| LINX_(__NR_mbind, sys_mbind), // 259 |
| LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 260 |
| LINX_(__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 // 268 |
| |
| /* Number 269 is reserved for sys_add_key */ |
| /* Number 270 is reserved for sys_request_key */ |
| /* Number 271 is reserved for sys_keyctl */ |
| /* Number 272 is reserved for sys_waitid */ |
| 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 |
| PLAXY(__NR_spu_run, sys_spu_run), // 278 |
| PLAX_(__NR_spu_create, sys_spu_create), // 279 |
| |
| LINX_(__NR_pselect6, sys_pselect6), // 280 |
| LINXY(__NR_ppoll, sys_ppoll), // 281 |
| |
| 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 |
| PLAXY(__NR_fstatat64, sys_fstatat64), // 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 |
| LINXY(__NR_move_pages, sys_move_pages), // 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 |
| LINXY(__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 |
| LINXY(__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_event_open, sys_perf_event_open), // 319 |
| LINXY(__NR_preadv, sys_preadv), // 320 |
| LINX_(__NR_pwritev, sys_pwritev), // 321 |
| LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 322 |
| |
| LINXY(__NR_socket, sys_socket), // 326 |
| LINX_(__NR_bind, sys_bind), // 327 |
| LINX_(__NR_connect, sys_connect), // 328 |
| LINX_(__NR_listen, sys_listen), // 329 |
| LINXY(__NR_accept, sys_accept), // 330 |
| LINXY(__NR_getsockname, sys_getsockname), // 331 |
| LINXY(__NR_getpeername, sys_getpeername), // 332 |
| |
| LINX_(__NR_send, sys_send), // 334 |
| LINX_(__NR_sendto, sys_sendto), // 335 |
| LINXY(__NR_recv, sys_recv), // 336 |
| LINXY(__NR_recvfrom, sys_recvfrom), // 337 |
| LINX_(__NR_shutdown, sys_shutdown), // 338 |
| LINX_(__NR_setsockopt, sys_setsockopt), // 339 |
| |
| LINXY(__NR_recvmmsg, sys_recvmmsg), // 343 |
| 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 |
| LINX_(__NR_process_vm_writev, sys_process_vm_writev),// 352 |
| |
| LINXY(__NR_getrandom, sys_getrandom), // 359 |
| LINXY(__NR_memfd_create, sys_memfd_create) // 360 |
| }; |
| |
| 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_ppc32_linux) |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end ---*/ |
| /*--------------------------------------------------------------------*/ |
