| |
| /*--------------------------------------------------------------------*/ |
| /*--- begin genoffsets.c ---*/ |
| /*--------------------------------------------------------------------*/ |
| |
| /* |
| This file is part of Valgrind, a dynamic binary instrumentation |
| framework. |
| |
| Copyright (C) 2004-2011 OpenWorks LLP |
| info@open-works.net |
| |
| This program is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301, USA. |
| |
| The GNU General Public License is contained in the file COPYING. |
| |
| Neither the names of the U.S. Department of Energy nor the |
| University of California nor the names of its contributors may be |
| used to endorse or promote products derived from this software |
| without prior written permission. |
| */ |
| |
| #include <stdio.h> |
| |
| /* A program which, when compiled to assembly, exposes various guest |
| state offsets. The program isn't executed, since that breaks |
| cross-compilation. |
| |
| It does rely on the assumption that 'my_offsetof(Ty,Field)' is |
| folded to a constant at a compile time, which seems a bit dodgy |
| to me. On gcc4 it is possible to use __builtin_offsetof, which |
| sounds safer, but that doesn't exist on older gccs. Oh Well. |
| */ |
| |
| #include "../pub/libvex_basictypes.h" |
| #include "../pub/libvex_guest_x86.h" |
| #include "../pub/libvex_guest_amd64.h" |
| #include "../pub/libvex_guest_ppc32.h" |
| #include "../pub/libvex_guest_ppc64.h" |
| #include "../pub/libvex_guest_arm.h" |
| #include "../pub/libvex_guest_s390x.h" |
| |
| #define VG_STRINGIFZ(__str) #__str |
| #define VG_STRINGIFY(__str) VG_STRINGIFZ(__str) |
| |
| #define my_offsetof(__type,__field) (&((__type*)0)->__field) |
| |
| /* This forces gcc to evaluate the my_offsetof call at compile time, |
| and then emits it in the assembly, along with the nonsense string |
| "xyzzy", for easy greppability. Once this file is compiled to |
| assembly, the lines containing "xyzzy" are grepped out and sed-ed |
| to produce the final result. See the Makefile rule for |
| pub/libvex_guest_offsets.h. */ |
| #define GENOFFSET(_structUppercase,_structLowercase,_fieldname) \ |
| __asm__ __volatile__ ( \ |
| "\n#define OFFSET_" \ |
| VG_STRINGIFY(_structLowercase) "_" \ |
| VG_STRINGIFY(_fieldname) \ |
| " xyzzy%0\n" : /*out*/ \ |
| : /*in*/ "n" \ |
| (my_offsetof(VexGuest##_structUppercase##State, \ |
| guest_##_fieldname)) \ |
| ) |
| |
| void foo ( void ); |
| __attribute__((noinline)) |
| void foo ( void ) |
| { |
| // x86 |
| GENOFFSET(X86,x86,EAX); |
| GENOFFSET(X86,x86,EBX); |
| GENOFFSET(X86,x86,ECX); |
| GENOFFSET(X86,x86,EDX); |
| GENOFFSET(X86,x86,ESI); |
| GENOFFSET(X86,x86,EDI); |
| GENOFFSET(X86,x86,EBP); |
| GENOFFSET(X86,x86,ESP); |
| GENOFFSET(X86,x86,EIP); |
| GENOFFSET(X86,x86,CS); |
| GENOFFSET(X86,x86,DS); |
| GENOFFSET(X86,x86,ES); |
| GENOFFSET(X86,x86,FS); |
| GENOFFSET(X86,x86,GS); |
| GENOFFSET(X86,x86,SS); |
| |
| // amd64 |
| GENOFFSET(AMD64,amd64,RAX); |
| GENOFFSET(AMD64,amd64,RBX); |
| GENOFFSET(AMD64,amd64,RCX); |
| GENOFFSET(AMD64,amd64,RDX); |
| GENOFFSET(AMD64,amd64,RSI); |
| GENOFFSET(AMD64,amd64,RDI); |
| GENOFFSET(AMD64,amd64,RSP); |
| GENOFFSET(AMD64,amd64,RBP); |
| GENOFFSET(AMD64,amd64,R8); |
| GENOFFSET(AMD64,amd64,R9); |
| GENOFFSET(AMD64,amd64,R10); |
| GENOFFSET(AMD64,amd64,R11); |
| GENOFFSET(AMD64,amd64,R12); |
| GENOFFSET(AMD64,amd64,R13); |
| GENOFFSET(AMD64,amd64,R14); |
| GENOFFSET(AMD64,amd64,R15); |
| GENOFFSET(AMD64,amd64,RIP); |
| |
| // ppc32 |
| GENOFFSET(PPC32,ppc32,GPR0); |
| GENOFFSET(PPC32,ppc32,GPR1); |
| GENOFFSET(PPC32,ppc32,GPR2); |
| GENOFFSET(PPC32,ppc32,GPR3); |
| GENOFFSET(PPC32,ppc32,GPR4); |
| GENOFFSET(PPC32,ppc32,GPR5); |
| GENOFFSET(PPC32,ppc32,GPR6); |
| GENOFFSET(PPC32,ppc32,GPR7); |
| GENOFFSET(PPC32,ppc32,GPR8); |
| GENOFFSET(PPC32,ppc32,GPR9); |
| GENOFFSET(PPC32,ppc32,GPR10); |
| GENOFFSET(PPC32,ppc32,CIA); |
| GENOFFSET(PPC32,ppc32,CR0_0); |
| |
| // ppc64 |
| GENOFFSET(PPC64,ppc64,GPR0); |
| GENOFFSET(PPC64,ppc64,GPR1); |
| GENOFFSET(PPC64,ppc64,GPR2); |
| GENOFFSET(PPC64,ppc64,GPR3); |
| GENOFFSET(PPC64,ppc64,GPR4); |
| GENOFFSET(PPC64,ppc64,GPR5); |
| GENOFFSET(PPC64,ppc64,GPR6); |
| GENOFFSET(PPC64,ppc64,GPR7); |
| GENOFFSET(PPC64,ppc64,GPR8); |
| GENOFFSET(PPC64,ppc64,GPR9); |
| GENOFFSET(PPC64,ppc64,GPR10); |
| GENOFFSET(PPC64,ppc64,CIA); |
| GENOFFSET(PPC64,ppc64,CR0_0); |
| |
| // arm |
| GENOFFSET(ARM,arm,R0); |
| GENOFFSET(ARM,arm,R1); |
| GENOFFSET(ARM,arm,R2); |
| GENOFFSET(ARM,arm,R3); |
| GENOFFSET(ARM,arm,R4); |
| GENOFFSET(ARM,arm,R5); |
| GENOFFSET(ARM,arm,R7); |
| GENOFFSET(ARM,arm,R13); |
| GENOFFSET(ARM,arm,R14); |
| GENOFFSET(ARM,arm,R15T); |
| |
| // s390x |
| GENOFFSET(S390X,s390x,r2); |
| GENOFFSET(S390X,s390x,r3); |
| GENOFFSET(S390X,s390x,r4); |
| GENOFFSET(S390X,s390x,r5); |
| GENOFFSET(S390X,s390x,r6); |
| GENOFFSET(S390X,s390x,r7); |
| GENOFFSET(S390X,s390x,r15); |
| GENOFFSET(S390X,s390x,IA); |
| GENOFFSET(S390X,s390x,SYSNO); |
| GENOFFSET(S390X,s390x,IP_AT_SYSCALL); |
| GENOFFSET(S390X,s390x,fpc); |
| GENOFFSET(S390X,s390x,CC_OP); |
| GENOFFSET(S390X,s390x,CC_DEP1); |
| GENOFFSET(S390X,s390x,CC_DEP2); |
| GENOFFSET(S390X,s390x,CC_NDEP); |
| } |
| |
| /*--------------------------------------------------------------------*/ |
| /*--- end genoffsets.c ---*/ |
| /*--------------------------------------------------------------------*/ |