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2a7d944c27
- Introduced VG_SYSNUM_STRING and VG_SYSNUM_STRING_EXTRA which factor out differences in the way syscall numbers are printed on different platforms. This gets rid of seven "DDD" fixme-style comments. - This also meant that Darwin syscall numbers are now printed in a non-ambiguous way -- previously Unix, machine-dependent and diagnostic syscalls were all printed the same way, even though their numbers overlap. Now each number is prefixed with "unix", "mdep", etc. And Mach trap numbers aren't printed as negative numbers now that they have a "mach" prefix. - Split each of pub_core_vkiscnums.h and pub_tool_vkiscnums.h into two parts, one suitable for inclusion in asm files, one suitable for inclusion in C files; in both cases the latter includes the former. This makes this module more like other modules that have asm-only components (eg. m_transtab); it also allows the hacky VG_IN_ASSEMBLY_SOURCE macros and tests to be removed. - Removed some of the VG_DARWIN_SYSNO_* macros that were no longer needed, and renamed some of the existing ones to make their meanings clearer. - Added comments on the encoding of Darwin syscall numbers so it's possible for mortals to understand without reading the kernel code.. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10218
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Syscall numbers and related operations. pub_tool_vkiscnums.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) 2005-2009 Nicholas Nethercote
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njn@valgrind.org
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Copyright (C) 2006-2009 OpenWorks LLP
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info@open-works.co.uk
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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 2 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, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307, USA.
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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_TOOL_VKISCNUMS_H
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#define __PUB_TOOL_VKISCNUMS_H
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#include "pub_tool_vkiscnums_asm.h"
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// This converts a syscall number into a string, suitable for printing. It is
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// needed because some platforms (AIX, Darwin) munge sysnums in various ways.
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// It is used in places where the sycall name will be printed alongside.
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extern Char* VG_(sysnum_string) (Word sysnum, SizeT n_buf, Char* buf);
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// This is like VG_(sysnum_string), but prints extra info if needed. It is
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// called in places where the syscall name will *not* be printed alongside.
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extern Char* VG_(sysnum_string_extra)(Word sysnum, SizeT n_buf, Char* buf);
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// Macros that make the above functions easier to use by declaring a local
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// buffer.
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#define VG_SYSNUM_STRING(sysnum) \
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({ Char qq_zz_buf[32]; VG_(sysnum_string)(sysnum, 32, qq_zz_buf); })
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#define VG_SYSNUM_STRING_EXTRA(sysnum) \
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({ Char qq_zz_buf[64]; VG_(sysnum_string_extra)(sysnum, 64, qq_zz_buf); })
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#if defined(VGO_linux)
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// Nothing.
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#elif defined(VGO_aix5)
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// See the AIX5-specific case in pub_tool_vkiscnums_asm.h for an
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// explanation of why we include this here rather than there.
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# include "vki/vki-scnums-aix5.h"
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#elif defined(VGO_darwin)
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// Nothing.
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#else
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# error Unknown OS
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#endif
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#endif // __PUB_TOOL_VKISCNUMS_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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