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DARWIN sync: sys_truncate64 and sys_ftruncate64 wrappers.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10134
This commit is contained in:
Nicholas Nethercote 2009-05-24 23:02:55 +00:00
parent 93ab20a3de
commit 43c9f484e0
1 changed files with 19 additions and 10 deletions
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29
coregrind/m_syswrap/syswrap-generic.c
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@ -2001,8 +2001,11 @@ ML_(generic_PRE_sys_mmap) ( ThreadId tid,
#define PRE(name) DEFN_PRE_TEMPLATE(generic, name)
#define POST(name) DEFN_POST_TEMPLATE(generic, name)
#if VG_WORDSIZE == 4
// Combine two 32-bit values into a 64-bit value
// Always use with low-numbered arg first (e.g. LOHI64(ARG1,ARG2) )
#define LOHI64(lo,hi) ( ((ULong)(lo)) | (((ULong)(hi)) << 32) )
#endif
PRE(sys_exit)
{
@ -2853,30 +2856,36 @@ PRE(sys_truncate)
PRE_MEM_RASCIIZ( "truncate(path)", ARG1 );
}
// XXX: this wrapper is only suitable for 32-bit platforms
#if defined(VGP_x86_linux) || defined(VGP_ppc32_linux)
PRE(sys_ftruncate64)
{
*flags |= SfMayBlock;
#if VG_WORDSIZE == 4
PRINT("sys_ftruncate64 ( %ld, %lld )", ARG1, LOHI64(ARG2,ARG3));
PRE_REG_READ3(long, "ftruncate64",
unsigned int, fd,
vki_u32, length_low32, vki_u32, length_high32);
}
UWord, length_low32, UWord, length_high32);
#else
PRINT("sys_ftruncate64 ( %ld, %lld )", ARG1, (Long)ARG2);
PRE_REG_READ2(long, "ftruncate64",
unsigned int,fd, UWord,length);
#endif
}
// XXX: this wrapper is only suitable for 32-bit platforms
#if defined(VGP_x86_linux) || defined(VGP_ppc32_linux)
PRE(sys_truncate64)
{
*flags |= SfMayBlock;
PRINT("sys_truncate64 ( %#lx, %lld )", ARG1, LOHI64(ARG2, ARG3));
#if VG_WORDSIZE == 4
PRINT("sys_truncate64 ( %#lx, %lld )", ARG1, (Long)LOHI64(ARG2, ARG3));
PRE_REG_READ3(long, "truncate64",
const char *, path,
vki_u32, length_low32, vki_u32, length_high32);
UWord, length_low32, UWord, length_high32);
#else
PRINT("sys_truncate64 ( %#lx, %lld )", ARG1, (Long)ARG2);
PRE_REG_READ2(long, "truncate64",
const char *,path, UWord,length);
#endif
PRE_MEM_RASCIIZ( "truncate64(path)", ARG1 );
}
#endif
PRE(sys_getdents)
{
@ -3006,7 +3015,7 @@ static void common_post_getrlimit(ThreadId tid, UWord a1, UWord a2)
case VKI_RLIMIT_STACK:
*((struct vki_rlimit *)a2) = VG_(client_rlimit_stack);
break;
}
}
}
PRE(sys_old_getrlimit)