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git://sourceware.org/git/valgrind.git
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3392155359
- Update COPYING and VEX/LICENSE.GPL to version 3. - Update README, NEWS, docs/manual license and contributing text. - Update file headers to say either version 3 of the License, or (at your option) any later version. - Leave tests and perf file headers as is, unless the code is derived from Valgrind/VEX. - Leave valgrind.h, cachegrind.h, callgrind.h, drd.h, helgrind.h, memcheck.h and dhat.h Hybrid-BSD licensed.
134 lines
6.3 KiB
C
134 lines
6.3 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Doing system calls. pub_core_syscall.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2017 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_CORE_SYSCALL_H
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#define __PUB_CORE_SYSCALL_H
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#include "pub_core_basics.h" // VG_ macro
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/* PPC64 supports two system call instructions. The flags are used to
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identify which of the two system call instructions sc or scv is to be
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used. The following flags must be consistently defined here and in
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VEX/priv/guest_ppc_defs.h, in the do_syscall_WRK() assembly code
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below and coregrind/m_syswrap/syscall-ppcle-linux.S code. */
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#define SC_FLAG 1
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#define SCV_FLAG 2
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//--------------------------------------------------------------------
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// PURPOSE: This module contains the code for actually executing syscalls.
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//--------------------------------------------------------------------
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/* Do a syscall on this platform, with 8 args, and return the result
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in canonical format in a SysRes value. */
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// We use a full prototype for VG_(do_syscall) rather than "..." to ensure
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// that all arguments get converted to a UWord appropriately. Not doing so
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// can cause problems when passing 32-bit integers on 64-bit platforms,
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// because the top 32-bits might not be zeroed appropriately, eg. as would
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// happen with the 6th arg on AMD64 which is passed on the stack.
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extern SysRes VG_(do_syscall) ( UWord sysno,
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RegWord, RegWord, RegWord,
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RegWord, RegWord, RegWord,
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RegWord, RegWord );
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/* Macros make life easier. */
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#if defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
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/* PPC64 uses the 7th argument to pass a flag indicating if the sc or scv
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instruction is to be used for the system call. Need to set the flag to the
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sc instruction by default. */
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#define A7 SC_FLAG
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#else
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#define A7 0
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#endif
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#define vgPlain_do_syscall0(s) VG_(do_syscall)((s),0,0,0,0,0,0,A7,0)
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#define vgPlain_do_syscall1(s,a) VG_(do_syscall)((s),(a),\
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0,0,0,0,0,A7,0)
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#define vgPlain_do_syscall2(s,a,b) VG_(do_syscall)((s),(a),(b),\
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0,0,0,0,A7,0)
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#define vgPlain_do_syscall3(s,a,b,c) VG_(do_syscall)((s),(a),(b),(c),\
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0,0,0,A7,0)
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#define vgPlain_do_syscall4(s,a,b,c,d) VG_(do_syscall)((s),(a),(b),(c),\
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(d),0,0,A7,0)
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#define vgPlain_do_syscall5(s,a,b,c,d,e) VG_(do_syscall)((s),(a),(b),(c),\
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(d),(e),0,A7,0)
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#define vgPlain_do_syscall6(s,a,b,c,d,e,f) VG_(do_syscall)((s),(a),(b),(c),\
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(d),(e),(f),A7,0)
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#define vgPlain_do_syscall7(s,a,b,c,d,e,f,g) VG_(do_syscall)((s),(a),(b),(c),\
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(d),(e),(f),(g),0)
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#define vgPlain_do_syscall8(s,a,b,c,d,e,f,g,h) VG_(do_syscall)((s),(a),(b),(c),\
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(d),(e),(f),(g),(h))
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extern SysRes VG_(mk_SysRes_x86_linux) ( Int val );
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extern SysRes VG_(mk_SysRes_amd64_linux) ( Long val );
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extern SysRes VG_(mk_SysRes_ppc32_linux) ( UInt val, UInt cr0so );
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extern SysRes VG_(mk_SysRes_ppc64_linux) ( ULong val, ULong cr0so, UInt flag );
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extern SysRes VG_(mk_SysRes_x86_freebsd) ( UInt val, UInt val2, Bool err);
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extern SysRes VG_(mk_SysRes_amd64_freebsd)( ULong val, ULong val2, Bool err );
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extern SysRes VG_(mk_SysRes_arm64_freebsd)( ULong val, ULong val2, Bool err );
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extern SysRes VG_(mk_SysRes_arm_linux) ( Int val );
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extern SysRes VG_(mk_SysRes_arm64_linux) ( Long val );
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extern SysRes VG_(mk_SysRes_x86_darwin) ( UChar scclass, Bool isErr,
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UInt wHI, UInt wLO );
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extern SysRes VG_(mk_SysRes_amd64_darwin)( UChar scclass, Bool isErr,
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ULong wHI, ULong wLO );
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extern SysRes VG_(mk_SysRes_s390x_linux) ( Long val );
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extern SysRes VG_(mk_SysRes_mips32_linux)( UWord v0, UWord v1,
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UWord a3 );
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extern SysRes VG_(mk_SysRes_mips64_linux)( ULong v0, ULong v1,
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ULong a3 );
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extern SysRes VG_(mk_SysRes_nanomips_linux)( UWord a0);
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extern SysRes VG_(mk_SysRes_riscv64_linux) ( Long a0 );
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extern SysRes VG_(mk_SysRes_x86_solaris) ( Bool isErr, UInt val, UInt val2 );
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extern SysRes VG_(mk_SysRes_amd64_solaris) ( Bool isErr, ULong val, ULong val2 );
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extern SysRes VG_(mk_SysRes_Error) ( UWord val );
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extern SysRes VG_(mk_SysRes_Success) ( UWord val );
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#if defined(VGP_mips32_linux) || defined(VGP_mips64_linux) \
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|| defined(VGP_nanomips_linux)
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/* On Linux/MIPS, VG_(mk_SysRes_Success) sets the second result word
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to zero. Here is a version that allows setting both values. */
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extern SysRes VG_(mk_SysRes_SuccessEx) ( UWord val, UWord valEx );
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#endif
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/* Return a string which gives the name of an error value. Note,
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unlike the standard C syserror fn, the returned string is not
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malloc-allocated or writable -- treat it as a constant. */
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extern const HChar* VG_(strerror) ( UWord errnum );
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#endif // __PUB_CORE_SYSCALL_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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