syswrap-ppc64-linux.c revision e1dc03d3d421750c9128529bd05bb8554209d77d
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/*--------------------------------------------------------------------*/ 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/*--- Platform-specific syscalls stuff. syswrap-ppc64-linux.c ---*/ 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/*--------------------------------------------------------------------*/ 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 60f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com/* 70f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com This file is part of Valgrind, a dynamic binary instrumentation 80f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com framework. 9ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Copyright (C) 2005-2010 Nicholas Nethercote <njn@valgrind.org> 110f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Copyright (C) 2005-2010 Cerion Armour-Brown <cerion@open-works.co.uk> 120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 131744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com This program is free software; you can redistribute it and/or 141744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com modify it under the terms of the GNU General Public License as 151744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com published by the Free Software Foundation; either version 2 of the 161744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com License, or (at your option) any later version. 171744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com 180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com This program is distributed in the hope that it will be useful, but 190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com WITHOUT ANY WARRANTY; without even the implied warranty of 200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com General Public License for more details. 220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com You should have received a copy of the GNU General Public License 240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com along with this program; if not, write to the Free Software 250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 02111-1307, USA. 270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com The GNU General Public License is contained in the file COPYING. 290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com*/ 300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#if defined(VGP_ppc64_linux) 320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_basics.h" 340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_vki.h" 350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_vkiscnums.h" 360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcsetjmp.h" // to keep _threadstate.h happy 370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_threadstate.h" 380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_aspacemgr.h" 390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_debuglog.h" 400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcbase.h" 410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcassert.h" 420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcprint.h" 430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcproc.h" 440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_libcsignal.h" 450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_options.h" 460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_scheduler.h" 470f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com#include "pub_core_sigframe.h" // For VG_(sigframe_destroy)() 48bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "pub_core_signals.h" 49bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "pub_core_syscall.h" 50bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "pub_core_syswrap.h" 51bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "pub_core_tooliface.h" 52bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "pub_core_stacks.h" // VG_(register_stack) 53bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton 54bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "priv_types_n_macros.h" 55bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "priv_syswrap-generic.h" /* for decls of generic wrappers */ 56bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "priv_syswrap-linux.h" /* for decls of linux-ish wrappers */ 57bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton#include "priv_syswrap-main.h" 58bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton 59bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton 60bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton/* --------------------------------------------------------------------- 61bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton clone() handling 62bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton ------------------------------------------------------------------ */ 63bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton 64bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton/* Call f(arg1), but first switch stacks, using 'stack' as the new 65bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton stack, and use 'retaddr' as f's return-to address. Also, clear all 66bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton the integer registers before entering f.*/ 67bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton__attribute__((noreturn)) 68bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdaltonvoid ML_(call_on_new_stack_0_1) ( Addr stack, 69bae6f6c3ec927bc1f87cd4c13fec0b52e5677c23cdalton Addr retaddr, 700f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void (*f_desc)(Word), 710f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Word arg1 ); 720f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com// r3 = stack 730f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com// r4 = retaddr 740f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com// r5 = function descriptor 750f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com// r6 = arg1 760f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com/* On PPC64, a func ptr is represented by a TOC entry ptr. 770f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com This TOC entry contains three words; the first word is the function 780f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com address, the second word is the TOC ptr (r2), and the third word is 790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com the static chain value. */ 800f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comasm( 810f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .align 2\n" 820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .globl vgModuleLocal_call_on_new_stack_0_1\n" 830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .section \".opd\",\"aw\"\n" 840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .align 3\n" 850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com"vgModuleLocal_call_on_new_stack_0_1:\n" 860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .quad .vgModuleLocal_call_on_new_stack_0_1,.TOC.@tocbase,0\n" 870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .previous\n" 880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .type .vgModuleLocal_call_on_new_stack_0_1,@function\n" 890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .globl .vgModuleLocal_call_on_new_stack_0_1\n" 900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com".vgModuleLocal_call_on_new_stack_0_1:\n" 91271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" mr %r1,%r3\n\t" // stack to %sp 92271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" mtlr %r4\n\t" // retaddr to %lr 93271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" ld 5,0(5)\n\t" // load f_ptr from f_desc[0] 94271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" mtctr %r5\n\t" // f_ptr to count reg 95271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" mr %r3,%r6\n\t" // arg1 to %r3 96271cffc77bd2fcb3458559e509634442517ca1e9bsalomon@google.com" li 0,0\n\t" // zero all GP regs 970f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 4,0\n\t" 980f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 5,0\n\t" 990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 6,0\n\t" 1000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 7,0\n\t" 1010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 8,0\n\t" 1020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 9,0\n\t" 1030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 10,0\n\t" 1040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 11,0\n\t" 1050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 12,0\n\t" 1060f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 13,0\n\t" 1070f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 14,0\n\t" 1080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 15,0\n\t" 1090f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 16,0\n\t" 1100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 17,0\n\t" 1110f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 18,0\n\t" 1120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 19,0\n\t" 11373063dc517f424ad5660db0fbc5fe6fcc13f77f7jvanverth" li 20,0\n\t" 11473063dc517f424ad5660db0fbc5fe6fcc13f77f7jvanverth" li 21,0\n\t" 1150f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 22,0\n\t" 116d7a2c1f5fd710581d6233de5c202d3f2627948e0jvanverth" li 23,0\n\t" 117d7a2c1f5fd710581d6233de5c202d3f2627948e0jvanverth" li 24,0\n\t" 118d7a2c1f5fd710581d6233de5c202d3f2627948e0jvanverth" li 25,0\n\t" 1190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 26,0\n\t" 12073063dc517f424ad5660db0fbc5fe6fcc13f77f7jvanverth" li 27,0\n\t" 1210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 28,0\n\t" 1220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 29,0\n\t" 1230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 30,0\n\t" 1240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 31,0\n\t" 1250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mtxer 0\n\t" // CAB: Need this? 1260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mtcr 0\n\t" // CAB: Need this? 1270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" bctr\n\t" // jump to dst 1280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" trap\n" // should never get here 1290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com); 1300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com/* 1330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Perform a clone system call. clone is strange because it has 1340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com fork()-like return-twice semantics, so it needs special 1350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com handling here. 1360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Upon entry, we have: 1380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com word (fn)(void*) in r3 1400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* child_stack in r4 1410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com word flags in r5 1420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* arg in r6 1430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com pid_t* child_tid in r7 1440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com pid_t* parent_tid in r8 1450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* ??? in r9 1460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1470f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Note: r3 contains fn desc ptr, not fn ptr -- p_fn = p_fn_desc[0] 1480f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com System call requires: 1490f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1500f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com int $__NR_clone in r0 (sc number) 1510f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com int flags in r3 (sc arg1) 1520f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* child_stack in r4 (sc arg2) 1530f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com pid_t* parent_tid in r5 (sc arg3) 1540f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ?? child_tls in r6 (sc arg4) 155469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com pid_t* child_tid in r7 (sc arg5) 156469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com void* ??? in r8 (sc arg6) 157469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com 158469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com Returns a ULong encoded as: top half is %cr following syscall, 159469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com low half is syscall return value (r3). 160469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com */ 161469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com#define __NR_CLONE VG_STRINGIFY(__NR_clone) 162469d0dd944833444a363591be1ee6a76bdecf96dbsalomon@google.com#define __NR_EXIT VG_STRINGIFY(__NR_exit) 16399babf2848095febfc5f98b47f3a6c232411147fjvanverth 1642279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholasextern 1650f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comULong do_syscall_clone_ppc64_linux ( Word (*fn)(void *), 1660f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* stack, 1670f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Int flags, 1680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void* arg, 1690f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Int* child_tid, 1700f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Int* parent_tid, 1710f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void/*vki_modify_ldt_t*/ * ); 1720f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comasm( 1730f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .align 2\n" 1740f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .globl do_syscall_clone_ppc64_linux\n" 1750f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .section \".opd\",\"aw\"\n" 1760f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .align 3\n" 1770f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com"do_syscall_clone_ppc64_linux:\n" 1780f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .quad .do_syscall_clone_ppc64_linux,.TOC.@tocbase,0\n" 1790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .previous\n" 1800f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .type .do_syscall_clone_ppc64_linux,@function\n" 1810f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .globl .do_syscall_clone_ppc64_linux\n" 1820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com".do_syscall_clone_ppc64_linux:\n" 1830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" stdu 1,-64(1)\n" 1840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" std 29,40(1)\n" 1850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" std 30,48(1)\n" 1860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" std 31,56(1)\n" 1870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 30,3\n" // preserve fn 1880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 31,6\n" // preserve arg 1890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // setup child stack 1910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" rldicr 4,4, 0,59\n" // trim sp to multiple of 16 bytes 1920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // (r4 &= ~0xF) 1930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 0,0\n" 1940f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" stdu 0,-32(4)\n" // make initial stack frame 1950f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 29,4\n" // preserve sp 1960f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 1970f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // setup syscall 1980f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" li 0,"__NR_CLONE"\n" // syscall number 1990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 3,5\n" // syscall arg1: flags 2000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // r4 already setup // syscall arg2: child_stack 2010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 5,8\n" // syscall arg3: parent_tid 2020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 6,13\n" // syscall arg4: REAL THREAD tls 2030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 7,7\n" // syscall arg5: child_tid 2040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 8,8\n" // syscall arg6: ???? 2050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 9,9\n" // syscall arg7: ???? 2060f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2070f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" sc\n" // clone() 2080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2098ef3fd0ca6595adb9a8172c84dc0c55c9c096e09bsalomon@google.com" mfcr 4\n" // CR now in low half r4 2100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" sldi 4,4,32\n" // CR now in hi half r4 21156d11e097b1975371d0e0b1452ac0c4d5fc46930bsalomon@google.com 2120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" sldi 3,3,32\n" 2130f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" srdi 3,3,32\n" // zero out hi half r3 2140f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2150f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" or 3,3,4\n" // r3 = CR : syscall-retval 2160f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" cmpwi 3,0\n" // child if retval == 0 (note, cmpw) 2170f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" bne 1f\n" // jump if !child 2180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* CHILD - call thread function */ 2200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* Note: 2.4 kernel doesn't set the child stack pointer, 2210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com so we do it here. 2220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com That does leave a small window for a signal to be delivered 2230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com on the wrong stack, unfortunately. */ 2240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 1,29\n" 2250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" ld 30, 0(30)\n" // convert fn desc ptr to fn ptr 2260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mtctr 30\n" // ctr reg = fn 2270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" mr 3,31\n" // r3 = arg 2280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" bctrl\n" // call fn() 229c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com 230c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com // exit with result 231c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com" li 0,"__NR_EXIT"\n" 232c9668ecdb7188a90b050771727da899c54dc7013bsalomon@google.com" sc\n" 2330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // Exit returned?! 2350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" .long 0\n" 2360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 2370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com // PARENT or ERROR - return 2380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com"1: ld 29,40(1)\n" 2390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" ld 30,48(1)\n" 2400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" ld 31,56(1)\n" 2410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" addi 1,1,64\n" 2420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com" blr\n" 243c2dbbb6ac2fee5461a906d1a18e5f410acadb452commit-bot@chromium.org); 244d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 245d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel#undef __NR_CLONE 246d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel#undef __NR_EXIT 247d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 248d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel// forward declarations 249d588c01c7e48663d6d61686e47daf63b9b0b3d12egdanielstatic void setup_child ( ThreadArchState*, ThreadArchState* ); 250d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 251d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel/* 252d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel When a client clones, we need to keep track of the new thread. This means: 253d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 1. allocate a ThreadId+ThreadState+stack for the the thread 254d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 255d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 2. initialize the thread's new VCPU state 256d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 257d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 3. create the thread using the same args as the client requested, 258d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel but using the scheduler entrypoint for IP, and a separate stack 259d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel for SP. 260d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel */ 261d588c01c7e48663d6d61686e47daf63b9b0b3d12egdanielstatic SysRes do_clone ( ThreadId ptid, 262d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel UInt flags, Addr sp, 263d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel Int *parent_tidptr, 264d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel Int *child_tidptr, 265d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel Addr child_tls) 266d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel{ 267d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel const Bool debug = False; 268d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 269d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel ThreadId ctid = VG_(alloc_ThreadState)(); 270d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel ThreadState* ptst = VG_(get_ThreadState)(ptid); 271d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel ThreadState* ctst = VG_(get_ThreadState)(ctid); 272d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel ULong word64; 273d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel UWord* stack; 274d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel NSegment const* seg; 275d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel SysRes res; 276d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel vki_sigset_t blockall, savedmask; 277d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 278d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel VG_(sigfillset)(&blockall); 279d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 280d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel vg_assert(VG_(is_running_thread)(ptid)); 281d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel vg_assert(VG_(is_valid_tid)(ctid)); 282d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 283d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel stack = (UWord*)ML_(allocstack)(ctid); 284d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel if (stack == NULL) { 285d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel res = VG_(mk_SysRes_Error)( VKI_ENOMEM ); 286d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel goto out; 287d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel } 288d588c01c7e48663d6d61686e47daf63b9b0b3d12egdaniel 28954c6fe8519f2927181a0847d22a61190529645e8bsalomon//? /* make a stack frame */ 29054c6fe8519f2927181a0847d22a61190529645e8bsalomon//? stack -= 16; 29154c6fe8519f2927181a0847d22a61190529645e8bsalomon//? *(UWord *)stack = 0; 29254c6fe8519f2927181a0847d22a61190529645e8bsalomon 29354c6fe8519f2927181a0847d22a61190529645e8bsalomon 29454c6fe8519f2927181a0847d22a61190529645e8bsalomon /* Copy register state 29554c6fe8519f2927181a0847d22a61190529645e8bsalomon 29654c6fe8519f2927181a0847d22a61190529645e8bsalomon Both parent and child return to the same place, and the code 29754c6fe8519f2927181a0847d22a61190529645e8bsalomon following the clone syscall works out which is which, so we 29854c6fe8519f2927181a0847d22a61190529645e8bsalomon don't need to worry about it. 29954c6fe8519f2927181a0847d22a61190529645e8bsalomon 30054c6fe8519f2927181a0847d22a61190529645e8bsalomon The parent gets the child's new tid returned from clone, but the 30154c6fe8519f2927181a0847d22a61190529645e8bsalomon child gets 0. 30254c6fe8519f2927181a0847d22a61190529645e8bsalomon 30354c6fe8519f2927181a0847d22a61190529645e8bsalomon If the clone call specifies a NULL SP for the new thread, then 30454c6fe8519f2927181a0847d22a61190529645e8bsalomon it actually gets a copy of the parent's SP. 30554c6fe8519f2927181a0847d22a61190529645e8bsalomon 30654c6fe8519f2927181a0847d22a61190529645e8bsalomon The child's TLS register (r2) gets set to the tlsaddr argument 30754c6fe8519f2927181a0847d22a61190529645e8bsalomon if the CLONE_SETTLS flag is set. 30854c6fe8519f2927181a0847d22a61190529645e8bsalomon */ 30954c6fe8519f2927181a0847d22a61190529645e8bsalomon setup_child( &ctst->arch, &ptst->arch ); 31054c6fe8519f2927181a0847d22a61190529645e8bsalomon 31154c6fe8519f2927181a0847d22a61190529645e8bsalomon /* Make sys_clone appear to have returned Success(0) in the 31254c6fe8519f2927181a0847d22a61190529645e8bsalomon child. */ 31354c6fe8519f2927181a0847d22a61190529645e8bsalomon { UInt old_cr = LibVEX_GuestPPC64_get_CR( &ctst->arch.vex ); 31454c6fe8519f2927181a0847d22a61190529645e8bsalomon /* %r3 = 0 */ 31554c6fe8519f2927181a0847d22a61190529645e8bsalomon ctst->arch.vex.guest_GPR3 = 0; 31654c6fe8519f2927181a0847d22a61190529645e8bsalomon /* %cr0.so = 0 */ 31754c6fe8519f2927181a0847d22a61190529645e8bsalomon LibVEX_GuestPPC64_put_CR( old_cr & ~(1<<28), &ctst->arch.vex ); 318c2dbbb6ac2fee5461a906d1a18e5f410acadb452commit-bot@chromium.org } 3190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (sp != 0) 3210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->arch.vex.guest_GPR1 = sp; 3220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->os_state.parent = ptid; 3240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* inherit signal mask */ 3260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->sig_mask = ptst->sig_mask; 3270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->tmp_sig_mask = ptst->sig_mask; 3280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* Start the child with its threadgroup being the same as the 3300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com parent's. This is so that any exit_group calls that happen 3310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com after the child is created but before it sets its 3320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com os_state.threadgroup field for real (in thread_wrapper in 3330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com syswrap-linux.c), really kill the new thread. a.k.a this avoids 3340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com a race condition in which the thread is unkillable (via 33528f9c606e4c8e61015e864219c4bc83a3fdb4a86jvanverth exit_group) because its threadgroup is not set. The race window 3360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com is probably only a few hundred or a few thousand cycles long. 33728f9c606e4c8e61015e864219c4bc83a3fdb4a86jvanverth See #226116. */ 3380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->os_state.threadgroup = ptst->os_state.threadgroup; 3390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* We don't really know where the client stack is, because its 3410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com allocated by the client. The best we can do is look at the 3420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com memory mappings and try to derive some useful information. We 3430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com assume that esp starts near its highest possible value, and can 3440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com only go down to the start of the mmaped segment. */ 3450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com seg = VG_(am_find_nsegment)(sp); 3460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (seg && seg->kind != SkResvn) { 3470f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->client_stack_highest_word = (Addr)VG_PGROUNDUP(sp); 3480f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->client_stack_szB = ctst->client_stack_highest_word - seg->start; 3490f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3500f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(register_stack)(seg->start, ctst->client_stack_highest_word); 3510f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3520f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (debug) 3530f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(printf)("\ntid %d: guessed client stack range %#lx-%#lx\n", 3540f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctid, seg->start, VG_PGROUNDUP(sp)); 3550f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } else { 3560f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(message)(Vg_UserMsg, 3570f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com "!? New thread %d starts with R1(%#lx) unmapped\n", 3580f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctid, sp); 3590f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->client_stack_szB = 0; 3600f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 3610f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3620f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* Assume the clone will succeed, and tell any tool that wants to 3630f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com know that this thread has come into existence. If the clone 3640f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com fails, we'll send out a ll_exit notification for it at the out: 3650f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com label below, to clean up. */ 3660f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_TRACK ( pre_thread_ll_create, ptid, ctid ); 3670f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (flags & VKI_CLONE_SETTLS) { 3690f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (debug) 3700f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(printf)("clone child has SETTLS: tls at %#lx\n", child_tls); 3710f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->arch.vex.guest_GPR13 = child_tls; 3720f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 3730f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3740f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com flags &= ~VKI_CLONE_SETTLS; 3750f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3760f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* start the thread with everything blocked */ 3770f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(sigprocmask)(VKI_SIG_SETMASK, &blockall, &savedmask); 3780f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* Create the new thread */ 3800f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com word64 = do_syscall_clone_ppc64_linux( 3810f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(start_thread_NORETURN), 3820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com stack, flags, &VG_(threads)[ctid], 3830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com child_tidptr, parent_tidptr, NULL 3840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ); 3850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* Low half word64 is syscall return value. Hi half is 3870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com the entire CR, from which we need to extract CR0.SO. */ 3880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* VG_(printf)("word64 = 0x%llx\n", word64); */ 3890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com res = VG_(mk_SysRes_ppc64_linux)( 3900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /*val*/(UInt)(word64 & 0xFFFFFFFFULL), 3910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /*errflag*/ (UInt)((word64 >> (32+28)) & 1) 3920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ); 3930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3940f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(sigprocmask)(VKI_SIG_SETMASK, &savedmask, NULL); 3950f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 3960f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com out: 3970f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if (sr_isError(res)) { 3980f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* clone failed */ 3990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(cleanup_thread)(&ctst->arch); 4000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ctst->status = VgTs_Empty; 40185b505bedc35369283ca3aa4449962622842b720bsalomon@google.com /* oops. Better tell the tool the thread exited in a hurry :-) */ 40285b505bedc35369283ca3aa4449962622842b720bsalomon@google.com VG_TRACK( pre_thread_ll_exit, ctid ); 40385b505bedc35369283ca3aa4449962622842b720bsalomon@google.com } 4040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com return res; 4060f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com} 407c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com 4080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4090f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 410c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com/* --------------------------------------------------------------------- 411280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com More thread stuff 4120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ------------------------------------------------------------------ */ 413443e5a52b7e85070c26a068cd3b0aad126502395robertphillips@google.com 41428f9c606e4c8e61015e864219c4bc83a3fdb4a86jvanverthvoid VG_(cleanup_thread) ( ThreadArchState* arch ) 415fb5df43af87e77beeb7ca0759678f0cc95a8c6dajvanverth{ 41628f9c606e4c8e61015e864219c4bc83a3fdb4a86jvanverth} 417443e5a52b7e85070c26a068cd3b0aad126502395robertphillips@google.com 4180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comvoid setup_child ( /*OUT*/ ThreadArchState *child, 4190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /*IN*/ ThreadArchState *parent ) 4200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com{ 4210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* We inherit our parent's guest state. */ 4220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com child->vex = parent->vex; 4230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com child->vex_shadow1 = parent->vex_shadow1; 4240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com child->vex_shadow2 = parent->vex_shadow2; 4252279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas} 4262279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas 4272279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas 4282279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas/* --------------------------------------------------------------------- 4292279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas PRE/POST wrappers for ppc64/Linux-specific syscalls 4302279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas ------------------------------------------------------------------ */ 4312279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas 4322279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas#define PRE(name) DEFN_PRE_TEMPLATE(ppc64_linux, name) 4332279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas#define POST(name) DEFN_POST_TEMPLATE(ppc64_linux, name) 4342279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas 4352279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas/* Add prototypes for the wrappers declared here, so that gcc doesn't 4362279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas harass us for not having prototypes. Really this is a kludge -- 4372279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas the right thing to do is to make these wrappers 'static' since they 4382279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas aren't visible outside this file, but that requires even more macro 4392279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas magic. */ 4402279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas 4412279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholasDECL_TEMPLATE(ppc64_linux, sys_socketcall); 4422279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholasDECL_TEMPLATE(ppc64_linux, sys_mmap); 4432279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas//zz DECL_TEMPLATE(ppc64_linux, sys_mmap2); 4442279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas//zz DECL_TEMPLATE(ppc64_linux, sys_stat64); 4452279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas//zz DECL_TEMPLATE(ppc64_linux, sys_lstat64); 4462279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholas//zz DECL_TEMPLATE(ppc64_linux, sys_fstat64); 4472279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholasDECL_TEMPLATE(ppc64_linux, sys_ipc); 4482279325d539700ee3da29d6e874b3b3ce1dcf49cethannicholasDECL_TEMPLATE(ppc64_linux, sys_clone); 4490f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz DECL_TEMPLATE(ppc64_linux, sys_sigreturn); 4500f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comDECL_TEMPLATE(ppc64_linux, sys_rt_sigreturn); 4510f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comDECL_TEMPLATE(ppc64_linux, sys_fadvise64); 4520f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4530f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comPRE(sys_socketcall) 4540f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com{ 4550f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_0 (((UWord*)ARG2)[0]) 4560f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_1 (((UWord*)ARG2)[1]) 4570f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_2 (((UWord*)ARG2)[2]) 4580f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_3 (((UWord*)ARG2)[3]) 4590f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_4 (((UWord*)ARG2)[4]) 4600f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_5 (((UWord*)ARG2)[5]) 4610f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4620f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com *flags |= SfMayBlock; 4630f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRINT("sys_socketcall ( %ld, %#lx )",ARG1,ARG2); 4640f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_REG_READ2(long, "socketcall", int, call, unsigned long *, args); 4650f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4660f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com switch (ARG1 /* request */) { 4670f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SOCKETPAIR: 4690f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int socketpair(int d, int type, int protocol, int sv[2]); */ 4700f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.socketpair(args)", ARG2, 4*sizeof(Addr) ); 4710f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_socketpair)( tid, ARG2_0, ARG2_1, ARG2_2, ARG2_3 ); 4720f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 4730f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4740f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SOCKET: 4750f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int socket(int domain, int type, int protocol); */ 4761744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com PRE_MEM_READ( "socketcall.socket(args)", ARG2, 3*sizeof(Addr) ); 4771744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com break; 4781744f97ea73384b9f75b0ccee0a36a213c681d3absalomon@google.com 4790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_BIND: 480c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com /* int bind(int sockfd, struct sockaddr *my_addr, 481c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com int addrlen); */ 482c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com PRE_MEM_READ( "socketcall.bind(args)", ARG2, 3*sizeof(Addr) ); 4830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_bind)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 4850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_LISTEN: 4870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int listen(int s, int backlog); */ 4880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.listen(args)", ARG2, 2*sizeof(Addr) ); 4890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 4900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 4910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_ACCEPT: { 4920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 4930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.accept(args)", ARG2, 3*sizeof(Addr) ); 4940f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 4950f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 49607dd2bfd7451ef7052cf53958e6561fd6c5563a3bsalomon@google.com } 49707dd2bfd7451ef7052cf53958e6561fd6c5563a3bsalomon@google.com 49807dd2bfd7451ef7052cf53958e6561fd6c5563a3bsalomon@google.com case VKI_SYS_ACCEPT4: { 4990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 5000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.accept4(args)", ARG2, 4*sizeof(Addr) ); 5010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_accept)( tid, ARG2_0, ARG2_1, ARG2_2 ); 5020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 50407dd2bfd7451ef7052cf53958e6561fd6c5563a3bsalomon@google.com 5050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SENDTO: 5060f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int sendto(int s, const void *msg, int len, 5070f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com unsigned int flags, 5080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com const struct sockaddr *to, int tolen); */ 5090f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.sendto(args)", ARG2, 6*sizeof(Addr) ); 5100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_sendto)( tid, ARG2_0, ARG2_1, ARG2_2, 5110f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_3, ARG2_4, ARG2_5 ); 5120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5130f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5140f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SEND: 5150f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int send(int s, const void *msg, size_t len, int flags); */ 5160f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.send(args)", ARG2, 4*sizeof(Addr) ); 5170f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_send)( tid, ARG2_0, ARG2_1, ARG2_2 ); 5180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECVFROM: 5210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int recvfrom(int s, void *buf, int len, unsigned int flags, 5220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com struct sockaddr *from, int *fromlen); */ 5230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.recvfrom(args)", ARG2, 6*sizeof(Addr) ); 5240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_recvfrom)( tid, ARG2_0, ARG2_1, ARG2_2, 5250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_3, ARG2_4, ARG2_5 ); 5260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECV: 5290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int recv(int s, void *buf, int len, unsigned int flags); */ 5300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* man 2 recv says: 5310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com The recv call is normally used only on a connected socket 5320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com (see connect(2)) and is identical to recvfrom with a NULL 5330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com from parameter. 5340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com */ 5350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.recv(args)", ARG2, 4*sizeof(Addr) ); 5360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_recv)( tid, ARG2_0, ARG2_1, ARG2_2 ); 5370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_CONNECT: 5400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int connect(int sockfd, 5410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com struct sockaddr *serv_addr, int addrlen ); */ 5420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.connect(args)", ARG2, 3*sizeof(Addr) ); 5430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_connect)( tid, ARG2_0, ARG2_1, ARG2_2 ); 5440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SETSOCKOPT: 5470f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int setsockopt(int s, int level, int optname, 5480f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com const void *optval, int optlen); */ 5490f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.setsockopt(args)", ARG2, 5*sizeof(Addr) ); 5500f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_setsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 5510f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_3, ARG2_4 ); 5520f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5530f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 55446fbfe0cd1bbe60fd15ce52e784f5d51450ff5fdcommit-bot@chromium.org case VKI_SYS_GETSOCKOPT: 5550f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int getsockopt(int s, int level, int optname, 5560f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com void *optval, socklen_t *optlen); */ 5570f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.getsockopt(args)", ARG2, 5*sizeof(Addr) ); 5580f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(linux_PRE_sys_getsockopt)( tid, ARG2_0, ARG2_1, ARG2_2, 5590f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_3, ARG2_4 ); 5600f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 56185b505bedc35369283ca3aa4449962622842b720bsalomon@google.com 56285b505bedc35369283ca3aa4449962622842b720bsalomon@google.com case VKI_SYS_GETSOCKNAME: 56385b505bedc35369283ca3aa4449962622842b720bsalomon@google.com /* int getsockname(int s, struct sockaddr* name, int* namelen) */ 56485b505bedc35369283ca3aa4449962622842b720bsalomon@google.com PRE_MEM_READ( "socketcall.getsockname(args)", ARG2, 3*sizeof(Addr) ); 56585b505bedc35369283ca3aa4449962622842b720bsalomon@google.com ML_(generic_PRE_sys_getsockname)( tid, ARG2_0, ARG2_1, ARG2_2 ); 56685b505bedc35369283ca3aa4449962622842b720bsalomon@google.com break; 56785b505bedc35369283ca3aa4449962622842b720bsalomon@google.com 5680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_GETPEERNAME: 56985b505bedc35369283ca3aa4449962622842b720bsalomon@google.com /* int getpeername(int s, struct sockaddr* name, int* namelen) */ 57085b505bedc35369283ca3aa4449962622842b720bsalomon@google.com PRE_MEM_READ( "socketcall.getpeername(args)", ARG2, 3*sizeof(Addr) ); 57185b505bedc35369283ca3aa4449962622842b720bsalomon@google.com ML_(generic_PRE_sys_getpeername)( tid, ARG2_0, ARG2_1, ARG2_2 ); 572cee661af926cc977addc6e039b7022975a448acebsalomon@google.com break; 573cee661af926cc977addc6e039b7022975a448acebsalomon@google.com 574cee661af926cc977addc6e039b7022975a448acebsalomon@google.com case VKI_SYS_SHUTDOWN: 575cee661af926cc977addc6e039b7022975a448acebsalomon@google.com /* int shutdown(int s, int how); */ 576cee661af926cc977addc6e039b7022975a448acebsalomon@google.com PRE_MEM_READ( "socketcall.shutdown(args)", ARG2, 2*sizeof(Addr) ); 5770f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5780f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SENDMSG: { 58046fbfe0cd1bbe60fd15ce52e784f5d51450ff5fdcommit-bot@chromium.org /* int sendmsg(int s, const struct msghdr *msg, int flags); */ 58146fbfe0cd1bbe60fd15ce52e784f5d51450ff5fdcommit-bot@chromium.org 5820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* this causes warnings, and I don't get why. glibc bug? 5830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com * (after all it's glibc providing the arguments array) 5840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( "socketcall.sendmsg(args)", ARG2, 3*sizeof(Addr) ); 5850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com */ 5860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_sendmsg)( tid, ARG2_0, ARG2_1 ); 5870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 5880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 5890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECVMSG: { 5910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int recvmsg(int s, struct msghdr *msg, int flags); */ 5920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 5930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* this causes warnings, and I don't get why. glibc bug? 594cee661af926cc977addc6e039b7022975a448acebsalomon@google.com * (after all it's glibc providing the arguments array) 595cee661af926cc977addc6e039b7022975a448acebsalomon@google.com PRE_MEM_READ("socketcall.recvmsg(args)", ARG2, 3*sizeof(Addr) ); 596cee661af926cc977addc6e039b7022975a448acebsalomon@google.com */ 597cee661af926cc977addc6e039b7022975a448acebsalomon@google.com ML_(generic_PRE_sys_recvmsg)( tid, ARG2_0, ARG2_1 ); 598cee661af926cc977addc6e039b7022975a448acebsalomon@google.com break; 5990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 6000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com default: 6020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(message)(Vg_DebugMsg,"Warning: unhandled socketcall 0x%lx\n",ARG1); 6030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SET_STATUS_Failure( VKI_EINVAL ); 6040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 606fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com# undef ARG2_0 607fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com# undef ARG2_1 6080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_2 6090f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_3 6100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_4 6110f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_5 6120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com} 6130f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6140f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comPOST(sys_socketcall) 6150f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com{ 6160f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_0 (((UWord*)ARG2)[0]) 6170f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_1 (((UWord*)ARG2)[1]) 6180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_2 (((UWord*)ARG2)[2]) 6190f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_3 (((UWord*)ARG2)[3]) 6200f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_4 (((UWord*)ARG2)[4]) 6210f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# define ARG2_5 (((UWord*)ARG2)[5]) 6220f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6230f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SysRes r; 6240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com vg_assert(SUCCESS); 6250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com switch (ARG1 /* request */) { 6260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SOCKETPAIR: 6280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com r = ML_(generic_POST_sys_socketpair)( 6290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com tid, VG_(mk_SysRes_Success)(RES), 6300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, ARG2_2, ARG2_3 6310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ); 6320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SET_STATUS_from_SysRes(r); 6330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SOCKET: 6360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com r = ML_(generic_POST_sys_socket)( tid, VG_(mk_SysRes_Success)(RES) ); 6370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SET_STATUS_from_SysRes(r); 6380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_BIND: 6410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int bind(int sockfd, struct sockaddr *my_addr, 6420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com int addrlen); */ 6430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_LISTEN: 6460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int listen(int s, int backlog); */ 6470f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6480f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6490f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_ACCEPT: 6500f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_ACCEPT4: 6510f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int accept(int s, struct sockaddr *addr, int *addrlen); */ 6520f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com /* int accept4(int s, struct sockaddr *addr, int *addrlen, int flags); */ 6530f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com r = ML_(generic_POST_sys_accept)( tid, VG_(mk_SysRes_Success)(RES), 6540f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, ARG2_2 ); 6550f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SET_STATUS_from_SysRes(r); 6560f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6570f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6580f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SENDTO: 6590f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6600f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6610f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SEND: 6620f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6630f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6640f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECVFROM: 6650f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_POST_sys_recvfrom)( tid, VG_(mk_SysRes_Success)(RES), 6660f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, ARG2_2, 6670f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_3, ARG2_4, ARG2_5 ); 6680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6690f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6700f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECV: 6710f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_POST_sys_recv)( tid, RES, ARG2_0, ARG2_1, ARG2_2 ); 6720f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6730f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 674ce6da4d96ae00a66c56c45a3b902224d8b3e6cf7commit-bot@chromium.org case VKI_SYS_CONNECT: 6750f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6760f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6770f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SETSOCKOPT: 6780f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6800f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_GETSOCKOPT: 6810f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(linux_POST_sys_getsockopt)( tid, VG_(mk_SysRes_Success)(RES), 6820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, 6830f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_2, ARG2_3, ARG2_4 ); 6840f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6850f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6860f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_GETSOCKNAME: 6870f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_POST_sys_getsockname)( tid, VG_(mk_SysRes_Success)(RES), 6880f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, ARG2_2 ); 6890f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_GETPEERNAME: 6920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_POST_sys_getpeername)( tid, VG_(mk_SysRes_Success)(RES), 6930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ARG2_0, ARG2_1, ARG2_2 ); 6940f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6950f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6960f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SHUTDOWN: 6970f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 6980f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 6990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_SENDMSG: 7000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 7010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 7020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SYS_RECVMSG: 7030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_POST_sys_recvmsg)( tid, ARG2_0, ARG2_1 ); 7040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 7050f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 7060f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com default: 7070f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(message)(Vg_DebugMsg,"FATAL: unhandled socketcall 0x%lx\n",ARG1); 7080f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com VG_(core_panic)("... bye!\n"); 7090f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; /*NOTREACHED*/ 7100f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 7110f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_0 7120f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com# undef ARG2_1 713d7a2c1f5fd710581d6233de5c202d3f2627948e0jvanverth# undef ARG2_2 714d7a2c1f5fd710581d6233de5c202d3f2627948e0jvanverth# undef ARG2_3 715c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com# undef ARG2_4 716c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com# undef ARG2_5 717160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org} 718160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org 719160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.orgPRE(sys_mmap) 720160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org{ 721160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org SysRes r; 722160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org 723160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org PRINT("sys_mmap ( %#lx, %llu, %ld, %ld, %ld, %ld )", 724160b478eed1dd4924a86a87fd60c91139e08ff71commit-bot@chromium.org ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 ); 7250f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_REG_READ6(long, "mmap", 7260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com unsigned long, start, unsigned long, length, 7270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com unsigned long, prot, unsigned long, flags, 7280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com unsigned long, fd, unsigned long, offset); 7290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 7300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 7310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com (Off64T)ARG6 ); 7320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com SET_STATUS_from_SysRes(r); 7330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com} 7340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 7350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRE(sys_mmap2) 7360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz { 7370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz SysRes r; 7380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz 7390f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz // Exactly like old_mmap() except: 7400f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz // - the file offset is specified in 4K units rather than bytes, 7410f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz // so that it can be used for files bigger than 2^32 bytes. 7420f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRINT("sys_mmap2 ( %p, %llu, %d, %d, %d, %d )", 7430f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz ARG1, (ULong)ARG2, ARG3, ARG4, ARG5, ARG6 ); 7440f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRE_REG_READ6(long, "mmap2", 7450f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz unsigned long, start, unsigned long, length, 7460f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz unsigned long, prot, unsigned long, flags, 747373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz unsigned long, fd, unsigned long, offset); 748373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz 749373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 750373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz 4096 * (Off64T)ARG6 ); 751373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz SET_STATUS_from_SysRes(r); 752373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz } 753373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz 754373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz // XXX: lstat64/fstat64/stat64 are generic, but not necessarily 755373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz // applicable to every architecture -- I think only to 32-bit archs. 756373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz // We're going to need something like linux/core_os32.h for such 757373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz // things, eventually, I think. --njn 758373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz PRE(sys_stat64) 759373a6635b7190b4af4d265fdd4b70f102ec3a6fdbsalomon@google.com//zz { 7600f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRINT("sys_stat64 ( %p, %p )",ARG1,ARG2); 7610f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf); 762c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 ); 763c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) ); 764c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz } 7650f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz 7660f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz POST(sys_stat64) 7670f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz { 7680f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 7690f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz } 770c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz 771ee5da55477d1679eaf50b56b6017cbfc07af02a7joshualitt//zz PRE(sys_lstat64) 7723f801cbb67895fa9fa29498aa017a7666960a627jvanverth//zz { 773cee661af926cc977addc6e039b7022975a448acebsalomon@google.com//zz PRINT("sys_lstat64 ( %p(%s), %p )",ARG1,ARG1,ARG2); 774280e99f1a61f2cf66a8ee9b9e6c517f3d2290de7bsalomon@google.com//zz PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf); 775cee661af926cc977addc6e039b7022975a448acebsalomon@google.com//zz PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 ); 776cee661af926cc977addc6e039b7022975a448acebsalomon@google.com//zz PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) ); 777cee661af926cc977addc6e039b7022975a448acebsalomon@google.com//zz } 778cee661af926cc977addc6e039b7022975a448acebsalomon@google.com//zz 7790f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz POST(sys_lstat64) 7800f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz { 781c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz vg_assert(SUCCESS); 7820f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz if (RES == 0) { 783c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 784c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz } 785c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz } 786c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz 787c312bf9935ef56a44e277bbd6d28b4f5f35fc19absalomon@google.com//zz PRE(sys_fstat64) 788f3a60c09b975f50bbd14215df10effffd2fd46e8bsalomon@google.com//zz { 789f3a60c09b975f50bbd14215df10effffd2fd46e8bsalomon@google.com//zz PRINT("sys_fstat64 ( %d, %p )",ARG1,ARG2); 7900f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf); 7910f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) ); 7920f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz } 7930f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz 7940f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz POST(sys_fstat64) 7950f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz { 7960f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) ); 7970f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com//zz } 7980f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com 7990f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.comstatic Addr deref_Addr ( ThreadId tid, Addr a, Char* s ) 8000f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com{ 8010f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Addr* a_p = (Addr*)a; 8020f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com PRE_MEM_READ( s, (Addr)a_p, sizeof(Addr) ); 8030f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com return *a_p; 8040f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com} 805cee661af926cc977addc6e039b7022975a448acebsalomon@google.com 806fa1e8a7cefd71f7b75f0b85f8eefe111814dd86fjvanverthPRE(sys_ipc) 807fa1e8a7cefd71f7b75f0b85f8eefe111814dd86fjvanverth{ 808cee661af926cc977addc6e039b7022975a448acebsalomon@google.com PRINT("sys_ipc ( %ld, %ld, %ld, %ld, %#lx, %ld )", ARG1,ARG2,ARG3,ARG4,ARG5,ARG6); 809cee661af926cc977addc6e039b7022975a448acebsalomon@google.com // XXX: this is simplistic -- some args are not used in all circumstances. 810cee661af926cc977addc6e039b7022975a448acebsalomon@google.com PRE_REG_READ6(int, "ipc", 811cee661af926cc977addc6e039b7022975a448acebsalomon@google.com vki_uint, call, int, first, int, second, int, third, 812cee661af926cc977addc6e039b7022975a448acebsalomon@google.com void *, ptr, long, fifth) 813cee661af926cc977addc6e039b7022975a448acebsalomon@google.com 8140f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com switch (ARG1 /* call */) { 8150f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SEMOP: 8160f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_semop)( tid, ARG2, ARG5, ARG3 ); 8170f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com *flags |= SfMayBlock; 8180f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 81928361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org case VKI_SEMGET: 82028361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org break; 82128361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org case VKI_SEMCTL: 82228361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org { 82328361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 8240f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg ); 8257354a4b193aaaeae43fb9ede90e1158fa46c372brobertphillips break; 8260f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com } 8270f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_SEMTIMEDOP: 8280f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(generic_PRE_sys_semtimedop)( tid, ARG2, ARG5, ARG3, ARG6 ); 8290f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com *flags |= SfMayBlock; 8300f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 8310f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_MSGSND: 8320f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com ML_(linux_PRE_sys_msgsnd)( tid, ARG2, ARG5, ARG3, ARG4 ); 8330f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com if ((ARG4 & VKI_IPC_NOWAIT) == 0) 8340f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com *flags |= SfMayBlock; 8350f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com break; 8360f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com case VKI_MSGRCV: 8370f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com { 8380f31ca79bde088e6caac219734c35c1ae3e9e8b9twiz@google.com Addr msgp; 839fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com Word msgtyp; 840fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com 841fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com msgp = deref_Addr( tid, 842fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 843fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com "msgrcv(msgp)" ); 844fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com msgtyp = deref_Addr( tid, 845fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 846e097be50bdfac597119db2a170f96bae07dbcab1kkinnunen "msgrcv(msgp)" ); 847fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com 848fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com ML_(linux_PRE_sys_msgrcv)( tid, ARG2, msgp, ARG3, msgtyp, ARG4 ); 849fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com 850542ecbb2bd1c8706f280edc3015d67b118d37817kkinnunen if ((ARG4 & VKI_IPC_NOWAIT) == 0) 851fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com *flags |= SfMayBlock; 852fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 85355e4783b5175fe43103c871ad8ad5cdcad208af4kkinnunen } 854fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com case VKI_MSGGET: 855fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 856fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com case VKI_MSGCTL: 857fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com ML_(linux_PRE_sys_msgctl)( tid, ARG2, ARG3, ARG5 ); 858fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 859fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com case VKI_SHMAT: 860fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com { 861fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com UWord w; 862fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com PRE_MEM_WRITE( "shmat(raddr)", ARG4, sizeof(Addr) ); 863fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com w = ML_(generic_PRE_sys_shmat)( tid, ARG2, ARG5, ARG3 ); 864fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com if (w == 0) 865fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com SET_STATUS_Failure( VKI_EINVAL ); 866fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com else 867fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com ARG5 = w; 868fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 869fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com } 870fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com case VKI_SHMDT: 871fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com if (!ML_(generic_PRE_sys_shmdt)(tid, ARG5)) 872fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com SET_STATUS_Failure( VKI_EINVAL ); 873fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 874fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com case VKI_SHMGET: 875fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com break; 876149b3ec2b1ccaf00e40bf296d2a3394852d73fe9cdalton case VKI_SHMCTL: /* IPCOP_shmctl */ 877149b3ec2b1ccaf00e40bf296d2a3394852d73fe9cdalton ML_(generic_PRE_sys_shmctl)( tid, ARG2, ARG3, ARG5 ); 878149b3ec2b1ccaf00e40bf296d2a3394852d73fe9cdalton break; 879149b3ec2b1ccaf00e40bf296d2a3394852d73fe9cdalton default: 88032b9a3b02ed6b8bab4a25b6cb8853f5bea4b87bakkinnunen VG_(message)(Vg_DebugMsg, "FATAL: unhandled syscall(ipc) %ld\n", ARG1 ); 88132b9a3b02ed6b8bab4a25b6cb8853f5bea4b87bakkinnunen VG_(core_panic)("... bye!\n"); 88232b9a3b02ed6b8bab4a25b6cb8853f5bea4b87bakkinnunen break; /*NOTREACHED*/ 88332b9a3b02ed6b8bab4a25b6cb8853f5bea4b87bakkinnunen } 884fe11cb6486adfccc1a9ca9658ae25907192a8642bsalomon@google.com} 885ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunen 886ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunenPOST(sys_ipc) 887ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunen{ 888ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunen vg_assert(SUCCESS); 889ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunen switch (ARG1 /* call */) { 890ec56e4545477e30d4f165ca55ed99f90525c6c38kkinnunen case VKI_SEMOP: 8915816233d237e5c214f14f1c92eda4a87c898ea11joshualitt case VKI_SEMGET: 8925816233d237e5c214f14f1c92eda4a87c898ea11joshualitt break; 8935816233d237e5c214f14f1c92eda4a87c898ea11joshualitt case VKI_SEMCTL: 8940edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton { 8950edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton UWord arg = deref_Addr( tid, ARG5, "semctl(arg)" ); 8960edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton ML_(generic_PRE_sys_semctl)( tid, ARG2, ARG3, ARG4, arg ); 8970edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton break; 8980edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton } 8990edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton case VKI_SEMTIMEDOP: 9000edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton case VKI_MSGSND: 9010edea2c8e76a9f5340a7a4960193757c4a5fb227cdalton break; 902626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_MSGRCV: 903626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton { 904626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton Addr msgp; 905626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton Word msgtyp; 906626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton 907626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton msgp = deref_Addr( tid, 908626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgp), 909626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton "msgrcv(msgp)" ); 910626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton msgtyp = deref_Addr( tid, 911626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton (Addr) (&((struct vki_ipc_kludge *)ARG5)->msgtyp), 912626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton "msgrcv(msgp)" ); 913626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton 914626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton ML_(linux_POST_sys_msgrcv)( tid, RES, ARG2, msgp, ARG3, msgtyp, ARG4 ); 915626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 916626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton } 917626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_MSGGET: 918626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 919626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_MSGCTL: 920626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton ML_(linux_POST_sys_msgctl)( tid, RES, ARG2, ARG3, ARG5 ); 921626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 922626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_SHMAT: 923626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton { 924626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton Addr addr; 925626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton 926626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton /* force readability. before the syscall it is 927626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton * indeed uninitialized, as can be seen in 928626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton * glibc/sysdeps/unix/sysv/linux/shmat.c */ 929626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton POST_MEM_WRITE( ARG4, sizeof( Addr ) ); 930626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton 931626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton addr = deref_Addr ( tid, ARG4, "shmat(addr)" ); 932626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton ML_(generic_POST_sys_shmat)( tid, addr, ARG2, ARG5, ARG3 ); 933626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 934626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton } 935626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_SHMDT: 936626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton ML_(generic_POST_sys_shmdt)( tid, RES, ARG5 ); 937626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 938626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_SHMGET: 939626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton break; 940626e1ffe84c24a969dc56ca70ab2e950bf5034c4cdalton case VKI_SHMCTL: 9417ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon ML_(generic_POST_sys_shmctl)( tid, RES, ARG2, ARG3, ARG5 ); 9427ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon break; 9437ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon default: 944e5286e0b37abe4d0db67a6b3d87b2d5a12a70ab3bsalomon VG_(message)(Vg_DebugMsg, 945e5286e0b37abe4d0db67a6b3d87b2d5a12a70ab3bsalomon "FATAL: unhandled syscall(ipc) %ld\n", 946e5286e0b37abe4d0db67a6b3d87b2d5a12a70ab3bsalomon ARG1 ); 947b1a32ad51767d7639abc6ba16aae656145d7fc77bsalomon VG_(core_panic)("... bye!\n"); 948b1a32ad51767d7639abc6ba16aae656145d7fc77bsalomon break; /*NOTREACHED*/ 949b1a32ad51767d7639abc6ba16aae656145d7fc77bsalomon } 9507ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon} 9517ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon 9527ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomonPRE(sys_clone) 9537ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon{ 9547ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon UInt cloneflags; 9557ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon 9567ea33f5e1ae9eb1fb1e7377d6edf6acdcf71d103bsalomon PRINT("sys_clone ( %lx, %#lx, %#lx, %#lx, %#lx )",ARG1,ARG2,ARG3,ARG4,ARG5); 957b1a32ad51767d7639abc6ba16aae656145d7fc77bsalomon PRE_REG_READ5(int, "clone", 958a03ec86e997ce08fad354a4102080b3163244b6areed@google.com unsigned long, flags, 959 void *, child_stack, 960 int *, parent_tidptr, 961 void *, child_tls, 962 int *, child_tidptr); 963 964 if (ARG1 & VKI_CLONE_PARENT_SETTID) { 965 PRE_MEM_WRITE("clone(parent_tidptr)", ARG3, sizeof(Int)); 966 if (!VG_(am_is_valid_for_client)(ARG3, sizeof(Int), 967 VKI_PROT_WRITE)) { 968 SET_STATUS_Failure( VKI_EFAULT ); 969 return; 970 } 971 } 972 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) { 973 PRE_MEM_WRITE("clone(child_tidptr)", ARG5, sizeof(Int)); 974 if (!VG_(am_is_valid_for_client)(ARG5, sizeof(Int), 975 VKI_PROT_WRITE)) { 976 SET_STATUS_Failure( VKI_EFAULT ); 977 return; 978 } 979 } 980 981 cloneflags = ARG1; 982 983 if (!ML_(client_signal_OK)(ARG1 & VKI_CSIGNAL)) { 984 SET_STATUS_Failure( VKI_EINVAL ); 985 return; 986 } 987 988 /* Only look at the flags we really care about */ 989 switch (cloneflags & (VKI_CLONE_VM | VKI_CLONE_FS 990 | VKI_CLONE_FILES | VKI_CLONE_VFORK)) { 991 case VKI_CLONE_VM | VKI_CLONE_FS | VKI_CLONE_FILES: 992 /* thread creation */ 993 SET_STATUS_from_SysRes( 994 do_clone(tid, 995 ARG1, /* flags */ 996 (Addr)ARG2, /* child SP */ 997 (Int *)ARG3, /* parent_tidptr */ 998 (Int *)ARG5, /* child_tidptr */ 999 (Addr)ARG4)); /* child_tls */ 1000 break; 1001 1002 case VKI_CLONE_VFORK | VKI_CLONE_VM: /* vfork */ 1003 /* FALLTHROUGH - assume vfork == fork */ 1004 cloneflags &= ~(VKI_CLONE_VFORK | VKI_CLONE_VM); 1005 1006 case 0: /* plain fork */ 1007 SET_STATUS_from_SysRes( 1008 ML_(do_fork_clone)(tid, 1009 cloneflags, /* flags */ 1010 (Int *)ARG3, /* parent_tidptr */ 1011 (Int *)ARG5)); /* child_tidptr */ 1012 break; 1013 1014 default: 1015 /* should we just ENOSYS? */ 1016 VG_(message)(Vg_UserMsg, "Unsupported clone() flags: 0x%lx\n", ARG1); 1017 VG_(message)(Vg_UserMsg, "\n"); 1018 VG_(message)(Vg_UserMsg, "The only supported clone() uses are:\n"); 1019 VG_(message)(Vg_UserMsg, " - via a threads library (LinuxThreads or NPTL)\n"); 1020 VG_(message)(Vg_UserMsg, " - via the implementation of fork or vfork\n"); 1021 VG_(unimplemented) 1022 ("Valgrind does not support general clone()."); 1023 } 1024 1025 if (SUCCESS) { 1026 if (ARG1 & VKI_CLONE_PARENT_SETTID) 1027 POST_MEM_WRITE(ARG3, sizeof(Int)); 1028 if (ARG1 & (VKI_CLONE_CHILD_SETTID | VKI_CLONE_CHILD_CLEARTID)) 1029 POST_MEM_WRITE(ARG5, sizeof(Int)); 1030 1031 /* Thread creation was successful; let the child have the chance 1032 to run */ 1033 *flags |= SfYieldAfter; 1034 } 1035} 1036 1037PRE(sys_fadvise64) 1038{ 1039 PRINT("sys_fadvise64 ( %ld, %ld, %lu, %ld )", ARG1,ARG2,ARG3,ARG4); 1040 PRE_REG_READ4(long, "fadvise64", 1041 int, fd, vki_loff_t, offset, vki_size_t, len, int, advice); 1042} 1043 1044PRE(sys_rt_sigreturn) 1045{ 1046 /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for 1047 an explanation of what follows. */ 1048 1049 //ThreadState* tst; 1050 PRINT("sys_rt_sigreturn ( )"); 1051 1052 vg_assert(VG_(is_valid_tid)(tid)); 1053 vg_assert(tid >= 1 && tid < VG_N_THREADS); 1054 vg_assert(VG_(is_running_thread)(tid)); 1055 1056 ///* Adjust esp to point to start of frame; skip back up over handler 1057 // ret addr */ 1058 //tst = VG_(get_ThreadState)(tid); 1059 //tst->arch.vex.guest_ESP -= sizeof(Addr); 1060 // Should we do something equivalent on ppc64-linux? Who knows. 1061 1062 ///* This is only so that the EIP is (might be) useful to report if 1063 // something goes wrong in the sigreturn */ 1064 //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch); 1065 // Should we do something equivalent on ppc64? Who knows. 1066 1067 /* Restore register state from frame and remove it */ 1068 VG_(sigframe_destroy)(tid, True); 1069 1070 /* Tell the driver not to update the guest state with the "result", 1071 and set a bogus result to keep it happy. */ 1072 *flags |= SfNoWriteResult; 1073 SET_STATUS_Success(0); 1074 1075 /* Check to see if any signals arose as a result of this. */ 1076 *flags |= SfPollAfter; 1077} 1078 1079#undef PRE 1080#undef POST 1081 1082/* --------------------------------------------------------------------- 1083 The ppc64/Linux syscall table 1084 ------------------------------------------------------------------ */ 1085 1086/* Add an ppc64-linux specific wrapper to a syscall table. */ 1087#define PLAX_(sysno, name) WRAPPER_ENTRY_X_(ppc64_linux, sysno, name) 1088#define PLAXY(sysno, name) WRAPPER_ENTRY_XY(ppc64_linux, sysno, name) 1089 1090// This table maps from __NR_xxx syscall numbers (from 1091// linux/include/asm-ppc/unistd.h) to the appropriate PRE/POST sys_foo() 1092// wrappers on ppc64 (as per sys_call_table in linux/arch/ppc/kernel/entry.S). 1093// 1094// For those syscalls not handled by Valgrind, the annotation indicate its 1095// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/? 1096// (unknown). 1097 1098static SyscallTableEntry syscall_table[] = { 1099// _____(__NR_restart_syscall, sys_restart_syscall), // 0 1100 GENX_(__NR_exit, sys_exit), // 1 1101 GENX_(__NR_fork, sys_fork), // 2 1102 GENXY(__NR_read, sys_read), // 3 1103 GENX_(__NR_write, sys_write), // 4 1104 1105 GENXY(__NR_open, sys_open), // 5 1106 GENXY(__NR_close, sys_close), // 6 1107 GENXY(__NR_waitpid, sys_waitpid), // 7 1108 GENXY(__NR_creat, sys_creat), // 8 1109 GENX_(__NR_link, sys_link), // 9 1110 1111 GENX_(__NR_unlink, sys_unlink), // 10 1112 GENX_(__NR_execve, sys_execve), // 11 1113 GENX_(__NR_chdir, sys_chdir), // 12 1114 GENXY(__NR_time, sys_time), // 13 1115 GENX_(__NR_mknod, sys_mknod), // 14 1116 1117 GENX_(__NR_chmod, sys_chmod), // 15 1118 GENX_(__NR_lchown, sys_lchown), // 16 1119// _____(__NR_break, sys_break), // 17 1120// _____(__NR_oldstat, sys_oldstat), // 18 1121 LINX_(__NR_lseek, sys_lseek), // 19 1122 1123 GENX_(__NR_getpid, sys_getpid), // 20 1124 LINX_(__NR_mount, sys_mount), // 21 1125// _____(__NR_umount, sys_umount), // 22 1126 GENX_(__NR_setuid, sys_setuid), // 23 1127 GENX_(__NR_getuid, sys_getuid), // 24 1128 1129// _____(__NR_stime, sys_stime), // 25 1130// _____(__NR_ptrace, sys_ptrace), // 26 1131 GENX_(__NR_alarm, sys_alarm), // 27 1132// _____(__NR_oldfstat, sys_oldfstat), // 28 1133 GENX_(__NR_pause, sys_pause), // 29 1134 1135 LINX_(__NR_utime, sys_utime), // 30 1136// _____(__NR_stty, sys_stty), // 31 1137// _____(__NR_gtty, sys_gtty), // 32 1138 GENX_(__NR_access, sys_access), // 33 1139// _____(__NR_nice, sys_nice), // 34 1140 1141// _____(__NR_ftime, sys_ftime), // 35 1142// _____(__NR_sync, sys_sync), // 36 1143 GENX_(__NR_kill, sys_kill), // 37 1144 GENX_(__NR_rename, sys_rename), // 38 1145 GENX_(__NR_mkdir, sys_mkdir), // 39 1146 1147 GENX_(__NR_rmdir, sys_rmdir), // 40 1148 GENXY(__NR_dup, sys_dup), // 41 1149 LINXY(__NR_pipe, sys_pipe), // 42 1150 GENXY(__NR_times, sys_times), // 43 1151// _____(__NR_prof, sys_prof), // 44 1152 1153 GENX_(__NR_brk, sys_brk), // 45 1154 GENX_(__NR_setgid, sys_setgid), // 46 1155 GENX_(__NR_getgid, sys_getgid), // 47 1156// _____(__NR_signal, sys_signal), // 48 1157 GENX_(__NR_geteuid, sys_geteuid), // 49 1158 1159 GENX_(__NR_getegid, sys_getegid), // 50 1160// _____(__NR_acct, sys_acct), // 51 1161 LINX_(__NR_umount2, sys_umount), // 52 1162// _____(__NR_lock, sys_lock), // 53 1163 LINXY(__NR_ioctl, sys_ioctl), // 54 1164 1165 LINXY(__NR_fcntl, sys_fcntl), // 55 1166// _____(__NR_mpx, sys_mpx), // 56 1167 GENX_(__NR_setpgid, sys_setpgid), // 57 1168// _____(__NR_ulimit, sys_ulimit), // 58 1169// _____(__NR_oldolduname, sys_oldolduname), // 59 1170 1171 GENX_(__NR_umask, sys_umask), // 60 1172 GENX_(__NR_chroot, sys_chroot), // 61 1173// _____(__NR_ustat, sys_ustat), // 62 1174 GENXY(__NR_dup2, sys_dup2), // 63 1175 GENX_(__NR_getppid, sys_getppid), // 64 1176 1177 GENX_(__NR_getpgrp, sys_getpgrp), // 65 1178 GENX_(__NR_setsid, sys_setsid), // 66 1179// _____(__NR_sigaction, sys_sigaction), // 67 1180// _____(__NR_sgetmask, sys_sgetmask), // 68 1181// _____(__NR_ssetmask, sys_ssetmask), // 69 1182 1183 GENX_(__NR_setreuid, sys_setreuid), // 70 1184 GENX_(__NR_setregid, sys_setregid), // 71 1185// _____(__NR_sigsuspend, sys_sigsuspend), // 72 1186// _____(__NR_sigpending, sys_sigpending), // 73 1187// _____(__NR_sethostname, sys_sethostname), // 74 1188 1189 GENX_(__NR_setrlimit, sys_setrlimit), // 75 1190// _____(__NR_getrlimit, sys_getrlimit), // 76 1191 GENXY(__NR_getrusage, sys_getrusage), // 77 1192 GENXY(__NR_gettimeofday, sys_gettimeofday), // 78 1193// _____(__NR_settimeofday, sys_settimeofday), // 79 1194 1195 GENXY(__NR_getgroups, sys_getgroups), // 80 1196 GENX_(__NR_setgroups, sys_setgroups), // 81 1197// _____(__NR_select, sys_select), // 82 1198 GENX_(__NR_symlink, sys_symlink), // 83 1199// _____(__NR_oldlstat, sys_oldlstat), // 84 1200 1201 GENX_(__NR_readlink, sys_readlink), // 85 1202// _____(__NR_uselib, sys_uselib), // 86 1203// _____(__NR_swapon, sys_swapon), // 87 1204// _____(__NR_reboot, sys_reboot), // 88 1205// _____(__NR_readdir, sys_readdir), // 89 1206 1207 PLAX_(__NR_mmap, sys_mmap), // 90 1208 GENXY(__NR_munmap, sys_munmap), // 91 1209 GENX_(__NR_truncate, sys_truncate), // 92 1210 GENX_(__NR_ftruncate, sys_ftruncate), // 93 1211 GENX_(__NR_fchmod, sys_fchmod), // 94 1212 1213 GENX_(__NR_fchown, sys_fchown), // 95 1214// _____(__NR_getpriority, sys_getpriority), // 96 1215// _____(__NR_setpriority, sys_setpriority), // 97 1216// _____(__NR_profil, sys_profil), // 98 1217 GENXY(__NR_statfs, sys_statfs), // 99 1218 1219 GENXY(__NR_fstatfs, sys_fstatfs), // 100 1220// _____(__NR_ioperm, sys_ioperm), // 101 1221 PLAXY(__NR_socketcall, sys_socketcall), // 102 1222 LINXY(__NR_syslog, sys_syslog), // 103 1223 GENXY(__NR_setitimer, sys_setitimer), // 104 1224 1225 GENXY(__NR_getitimer, sys_getitimer), // 105 1226 GENXY(__NR_stat, sys_newstat), // 106 1227 GENXY(__NR_lstat, sys_newlstat), // 107 1228 GENXY(__NR_fstat, sys_newfstat), // 108 1229// _____(__NR_olduname, sys_olduname), // 109 1230 1231// _____(__NR_iopl, sys_iopl), // 110 1232 LINX_(__NR_vhangup, sys_vhangup), // 111 1233// _____(__NR_idle, sys_idle), // 112 1234// _____(__NR_vm86, sys_vm86), // 113 1235 GENXY(__NR_wait4, sys_wait4), // 114 1236 1237// _____(__NR_swapoff, sys_swapoff), // 115 1238 LINXY(__NR_sysinfo, sys_sysinfo), // 116 1239 PLAXY(__NR_ipc, sys_ipc), // 117 1240 GENX_(__NR_fsync, sys_fsync), // 118 1241// _____(__NR_sigreturn, sys_sigreturn), // 119 1242 1243 PLAX_(__NR_clone, sys_clone), // 120 1244// _____(__NR_setdomainname, sys_setdomainname), // 121 1245 GENXY(__NR_uname, sys_newuname), // 122 1246// _____(__NR_modify_ldt, sys_modify_ldt), // 123 1247 LINXY(__NR_adjtimex, sys_adjtimex), // 124 1248 1249 GENXY(__NR_mprotect, sys_mprotect), // 125 1250// _____(__NR_sigprocmask, sys_sigprocmask), // 126 1251 GENX_(__NR_create_module, sys_ni_syscall), // 127 1252 LINX_(__NR_init_module, sys_init_module), // 128 1253 LINX_(__NR_delete_module, sys_delete_module), // 129 1254 1255// _____(__NR_get_kernel_syms, sys_get_kernel_syms), // 130 1256// _____(__NR_quotactl, sys_quotactl), // 131 1257 GENX_(__NR_getpgid, sys_getpgid), // 132 1258 GENX_(__NR_fchdir, sys_fchdir), // 133 1259// _____(__NR_bdflush, sys_bdflush), // 134 1260 1261// _____(__NR_sysfs, sys_sysfs), // 135 1262 LINX_(__NR_personality, sys_personality), // 136 1263// _____(__NR_afs_syscall, sys_afs_syscall), // 137 1264 LINX_(__NR_setfsuid, sys_setfsuid), // 138 1265 LINX_(__NR_setfsgid, sys_setfsgid), // 139 1266 1267 LINXY(__NR__llseek, sys_llseek), // 140 1268 GENXY(__NR_getdents, sys_getdents), // 141 1269 GENX_(__NR__newselect, sys_select), // 142 1270 GENX_(__NR_flock, sys_flock), // 143 1271 GENX_(__NR_msync, sys_msync), // 144 1272 1273 GENXY(__NR_readv, sys_readv), // 145 1274 GENX_(__NR_writev, sys_writev), // 146 1275// _____(__NR_getsid, sys_getsid), // 147 1276 GENX_(__NR_fdatasync, sys_fdatasync), // 148 1277 LINXY(__NR__sysctl, sys_sysctl), // 149 1278 1279 GENX_(__NR_mlock, sys_mlock), // 150 1280 GENX_(__NR_munlock, sys_munlock), // 151 1281 GENX_(__NR_mlockall, sys_mlockall), // 152 1282 LINX_(__NR_munlockall, sys_munlockall), // 153 1283 LINXY(__NR_sched_setparam, sys_sched_setparam), // 154 1284 1285 LINXY(__NR_sched_getparam, sys_sched_getparam), // 155 1286 LINX_(__NR_sched_setscheduler, sys_sched_setscheduler), // 156 1287 LINX_(__NR_sched_getscheduler, sys_sched_getscheduler), // 157 1288 LINX_(__NR_sched_yield, sys_sched_yield), // 158 1289 LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159 1290 1291 LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160 1292 LINXY(__NR_sched_rr_get_interval, sys_sched_rr_get_interval), // 161 1293 GENXY(__NR_nanosleep, sys_nanosleep), // 162 1294 GENX_(__NR_mremap, sys_mremap), // 163 1295// _____(__NR_setresuid, sys_setresuid), // 164 1296 1297 LINXY(__NR_getresuid, sys_getresuid), // 165 1298// _____(__NR_query_module, sys_query_module), // 166 1299 GENXY(__NR_poll, sys_poll), // 167 1300// _____(__NR_nfsservctl, sys_nfsservctl), // 168 1301// _____(__NR_setresgid, sys_setresgid), // 169 1302 1303 LINXY(__NR_getresgid, sys_getresgid), // 170 1304// _____(__NR_prctl, sys_prctl), // 171 1305 PLAX_(__NR_rt_sigreturn, sys_rt_sigreturn), // 172 1306 LINXY(__NR_rt_sigaction, sys_rt_sigaction), // 173 1307 LINXY(__NR_rt_sigprocmask, sys_rt_sigprocmask), // 174 1308 1309// _____(__NR_rt_sigpending, sys_rt_sigpending), // 175 1310 LINXY(__NR_rt_sigtimedwait, sys_rt_sigtimedwait), // 176 1311 LINXY(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo), // 177 1312// _____(__NR_rt_sigsuspend, sys_rt_sigsuspend), // 178 1313 GENXY(__NR_pread64, sys_pread64), // 179 1314 1315 GENX_(__NR_pwrite64, sys_pwrite64), // 180 1316 GENX_(__NR_chown, sys_chown), // 181 1317 GENXY(__NR_getcwd, sys_getcwd), // 182 1318 LINXY(__NR_capget, sys_capget), // 183 1319 LINX_(__NR_capset, sys_capset), // 184 1320 1321 GENXY(__NR_sigaltstack, sys_sigaltstack), // 185 1322 LINXY(__NR_sendfile, sys_sendfile), // 186 1323// _____(__NR_getpmsg, sys_getpmsg), // 187 1324// _____(__NR_putpmsg, sys_putpmsg), // 188 1325 GENX_(__NR_vfork, sys_fork), // 189 treat as fork 1326 1327 GENXY(__NR_ugetrlimit, sys_getrlimit), // 190 1328 LINX_(__NR_readahead, sys_readahead), // 191 1329// /* #define __NR_mmap2 192 32bit only */ 1330// /* #define __NR_truncate64 193 32bit only */ 1331// /* #define __NR_ftruncate64 194 32bit only */ 1332 1333// /* #define __NR_stat64 195 32bit only */ 1334// /* #define __NR_lstat64 196 32bit only */ 1335// /* #define __NR_fstat64 197 32bit only */ 1336// _____(__NR_pciconfig_read, sys_pciconfig_read), // 198 1337// _____(__NR_pciconfig_write, sys_pciconfig_write), // 199 1338 1339// _____(__NR_pciconfig_iobase, sys_pciconfig_iobase), // 200 1340// _____(__NR_multiplexer, sys_multiplexer), // 201 1341 GENXY(__NR_getdents64, sys_getdents64), // 202 1342// _____(__NR_pivot_root, sys_pivot_root), // 203 1343 LINXY(__NR_fcntl64, sys_fcntl64), // 204 !!!!?? 32bit only */ 1344 1345 GENX_(__NR_madvise, sys_madvise), // 205 1346// _____(__NR_mincore, sys_mincore), // 206 1347 LINX_(__NR_gettid, sys_gettid), // 207 1348// _____(__NR_tkill, sys_tkill), // 208 1349// _____(__NR_setxattr, sys_setxattr), // 209 1350 1351// _____(__NR_lsetxattr, sys_lsetxattr), // 210 1352// _____(__NR_fsetxattr, sys_fsetxattr), // 211 1353 LINXY(__NR_getxattr, sys_getxattr), // 212 1354 LINXY(__NR_lgetxattr, sys_lgetxattr), // 213 1355 LINXY(__NR_fgetxattr, sys_fgetxattr), // 214 1356 LINXY(__NR_listxattr, sys_listxattr), // 215 1357 LINXY(__NR_llistxattr, sys_llistxattr), // 216 1358 LINXY(__NR_flistxattr, sys_flistxattr), // 217 1359 LINX_(__NR_removexattr, sys_removexattr), // 218 1360 LINX_(__NR_lremovexattr, sys_lremovexattr), // 219 1361 LINX_(__NR_fremovexattr, sys_fremovexattr), // 220 1362 1363 LINXY(__NR_futex, sys_futex), // 221 1364 LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 222 1365 LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 223 1366// /* 224 currently unused */ 1367 1368// _____(__NR_tuxcall, sys_tuxcall), // 225 1369// /* #define __NR_sendfile64 226 32bit only */ 1370 LINX_(__NR_io_setup, sys_io_setup), // 227 1371 LINX_(__NR_io_destroy, sys_io_destroy), // 228 1372 LINXY(__NR_io_getevents, sys_io_getevents), // 229 1373 LINX_(__NR_io_submit, sys_io_submit), // 230 1374 LINXY(__NR_io_cancel, sys_io_cancel), // 231 1375 LINX_(__NR_set_tid_address, sys_set_tid_address), // 232 1376 PLAX_(__NR_fadvise64, sys_fadvise64), // 233 1377 LINX_(__NR_exit_group, sys_exit_group), // 234 1378 1379// _____(__NR_lookup_dcookie, sys_lookup_dcookie), // 235 1380 LINXY(__NR_epoll_create, sys_epoll_create), // 236 1381 LINX_(__NR_epoll_ctl, sys_epoll_ctl), // 237 1382 LINXY(__NR_epoll_wait, sys_epoll_wait), // 238 1383// _____(__NR_remap_file_pages, sys_remap_file_pages), // 239 1384 1385 LINXY(__NR_timer_create, sys_timer_create), // 240 1386 LINXY(__NR_timer_settime, sys_timer_settime), // 241 1387 LINXY(__NR_timer_gettime, sys_timer_gettime), // 242 1388 LINX_(__NR_timer_getoverrun, sys_timer_getoverrun), // 243 1389 LINX_(__NR_timer_delete, sys_timer_delete), // 244 1390 LINX_(__NR_clock_settime, sys_clock_settime), // 245 1391 LINXY(__NR_clock_gettime, sys_clock_gettime), // 246 1392 LINXY(__NR_clock_getres, sys_clock_getres), // 247 1393 LINXY(__NR_clock_nanosleep, sys_clock_nanosleep), // 248 1394 1395// _____(__NR_swapcontext, sys_swapcontext), // 249 1396 1397 LINXY(__NR_tgkill, sys_tgkill), // 250 1398// _____(__NR_utimes, sys_utimes), // 251 1399// _____(__NR_statfs64, sys_statfs64), // 252 1400// _____(__NR_fstatfs64, sys_fstatfs64), // 253 1401// /* #define __NR_fadvise64_64 254 32bit only */ 1402 1403// _____(__NR_rtas, sys_rtas), // 255 1404// /* Number 256 is reserved for sys_debug_setcontext */ 1405// /* Number 257 is reserved for vserver */ 1406// /* 258 currently unused */ 1407// _____(__NR_mbind, sys_mbind), // 259 1408 1409// _____(__NR_get_mempolicy, sys_get_mempolicy), // 260 1410// _____(__NR_set_mempolicy, sys_set_mempolicy), // 261 1411 LINXY(__NR_mq_open, sys_mq_open), // 262 1412 LINX_(__NR_mq_unlink, sys_mq_unlink), // 263 1413 LINX_(__NR_mq_timedsend, sys_mq_timedsend), // 264 1414 1415 LINXY(__NR_mq_timedreceive, sys_mq_timedreceive), // 265 1416 LINX_(__NR_mq_notify, sys_mq_notify), // 266 1417 LINXY(__NR_mq_getsetattr, sys_mq_getsetattr), // 267 1418// _____(__NR_kexec_load, sys_kexec_load), // 268 1419 LINX_(__NR_add_key, sys_add_key), // 269 1420 1421 LINX_(__NR_request_key, sys_request_key), // 270 1422 LINXY(__NR_keyctl, sys_keyctl), // 271 1423// _____(__NR_waitid, sys_waitid), // 272 1424 LINX_(__NR_ioprio_set, sys_ioprio_set), // 273 1425 LINX_(__NR_ioprio_get, sys_ioprio_get), // 274 1426 1427 LINX_(__NR_inotify_init, sys_inotify_init), // 275 1428 LINX_(__NR_inotify_add_watch, sys_inotify_add_watch), // 276 1429 LINX_(__NR_inotify_rm_watch, sys_inotify_rm_watch), // 277 1430 1431 LINXY(__NR_ppoll, sys_ppoll), // 281 1432 1433 LINXY(__NR_openat, sys_openat), // 286 1434 LINX_(__NR_mkdirat, sys_mkdirat), // 287 1435 LINX_(__NR_mknodat, sys_mknodat), // 288 1436 LINX_(__NR_fchownat, sys_fchownat), // 289 1437 LINX_(__NR_futimesat, sys_futimesat), // 290 1438 LINXY(__NR_newfstatat, sys_newfstatat), // 291 1439 LINX_(__NR_unlinkat, sys_unlinkat), // 292 1440 LINX_(__NR_renameat, sys_renameat), // 293 1441 LINX_(__NR_linkat, sys_linkat), // 294 1442 LINX_(__NR_symlinkat, sys_symlinkat), // 295 1443 LINX_(__NR_readlinkat, sys_readlinkat), // 296 1444 LINX_(__NR_fchmodat, sys_fchmodat), // 297 1445 LINX_(__NR_faccessat, sys_faccessat), // 298 1446 LINX_(__NR_set_robust_list, sys_set_robust_list), // 299 1447 LINXY(__NR_get_robust_list, sys_get_robust_list), // 300 1448// LINX_(__NR_move_pages, sys_ni_syscall), // 301 1449 LINXY(__NR_getcpu, sys_getcpu), // 302 1450 LINXY(__NR_epoll_pwait, sys_epoll_pwait), // 303 1451 LINX_(__NR_utimensat, sys_utimensat), // 304 1452 LINXY(__NR_signalfd, sys_signalfd), // 305 1453 LINXY(__NR_timerfd_create, sys_timerfd_create), // 306 1454 LINX_(__NR_eventfd, sys_eventfd), // 307 1455 LINX_(__NR_sync_file_range2, sys_sync_file_range2), // 308 1456 LINX_(__NR_fallocate, sys_fallocate), // 309 1457// LINXY(__NR_subpage_prot, sys_ni_syscall), // 310 1458 LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311 1459 LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312 1460 LINXY(__NR_signalfd4, sys_signalfd4), // 313 1461 LINX_(__NR_eventfd2, sys_eventfd2), // 314 1462 LINXY(__NR_epoll_create1, sys_epoll_create1), // 315 1463 LINXY(__NR_dup3, sys_dup3), // 316 1464 LINXY(__NR_pipe2, sys_pipe2), // 317 1465 LINXY(__NR_inotify_init1, sys_inotify_init1), // 318 1466 LINXY(__NR_perf_event_open, sys_perf_event_open), // 319 1467 LINXY(__NR_preadv, sys_preadv), // 320 1468 LINX_(__NR_pwritev, sys_pwritev), // 321 1469 LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo) // 322 1470}; 1471 1472SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno ) 1473{ 1474 const UInt syscall_table_size 1475 = sizeof(syscall_table) / sizeof(syscall_table[0]); 1476 1477 /* Is it in the contiguous initial section of the table? */ 1478 if (sysno < syscall_table_size) { 1479 SyscallTableEntry* sys = &syscall_table[sysno]; 1480 if (sys->before == NULL) 1481 return NULL; /* no entry */ 1482 else 1483 return sys; 1484 } 1485 1486 /* Can't find a wrapper */ 1487 return NULL; 1488} 1489 1490#endif // defined(VGP_ppc64_linux) 1491 1492/*--------------------------------------------------------------------*/ 1493/*--- end ---*/ 1494/*--------------------------------------------------------------------*/ 1495