void VG_(redir_initialise) ( void )
{
// Assert that there are no SegInfos so far
vg_assert( VG_(next_seginfo)(NULL) == NULL );
// Initialise active mapping.
activeSet = VG_(OSet_Create)(offsetof(Active, from_addr),
NULL, // Use fast comparison
symtab_alloc,
symtab_free);
// The rest of this function just adds initial Specs.
# if defined(VGP_x86_linux)
/* If we're using memcheck, use this intercept right from the
start, otherwise ld.so (glibc-2.3.5) makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec(
"ld-linux.so.2", "index",
(Addr)&VG_(x86_linux_REDIR_FOR_index)
);
}
# elif defined(VGP_amd64_linux)
/* Redirect vsyscalls to local versions */
add_hardwired_active(
0xFFFFFFFFFF600000ULL,
(Addr)&VG_(amd64_linux_REDIR_FOR_vgettimeofday)
);
add_hardwired_active(
0xFFFFFFFFFF600400ULL,
(Addr)&VG_(amd64_linux_REDIR_FOR_vtime)
);
# elif defined(VGP_ppc32_linux)
/* If we're using memcheck, use these intercepts right from
the start, otherwise ld.so makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec(
"ld.so.1", "strlen",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strlen)
);
add_hardwired_spec(
"ld.so.1", "strcmp",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strcmp)
);
add_hardwired_spec(
"ld.so.1", "index",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strchr)
);
}
# elif defined(VGP_ppc64_linux)
/* If we're using memcheck, use these intercepts right from
the start, otherwise ld.so makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec(
"ld64.so.1", "strlen",
(Addr)VG_(fnptr_to_fnentry)( &VG_(ppc64_linux_REDIR_FOR_strlen) )
);
add_hardwired_spec(
"ld64.so.1", "index",
(Addr)VG_(fnptr_to_fnentry)( &VG_(ppc64_linux_REDIR_FOR_strchr) )
);
}
# elif defined(VGP_ppc32_aix5)
/* nothing so far */
# elif defined(VGP_ppc64_aix5)
/* nothing so far */
# else
# error Unknown platform
# endif
if (VG_(clo_trace_redir))
show_redir_state("after VG_(redir_initialise)");
}
void VG_(redir_initialise) ( void )
{
// Assert that there are no DebugInfos so far
vg_assert( VG_(next_DebugInfo)(NULL) == NULL );
// Initialise active mapping.
activeSet = VG_(OSetGen_Create)(offsetof(Active, from_addr),
NULL, // Use fast comparison
dinfo_zalloc,
"redir.ri.1",
dinfo_free);
// The rest of this function just adds initial Specs.
# if defined(VGP_x86_linux)
/* If we're using memcheck, use this intercept right from the
start, otherwise ld.so (glibc-2.3.5) makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec(
"ld-linux.so.2", "index",
(Addr)&VG_(x86_linux_REDIR_FOR_index),
NULL
);
}
# elif defined(VGP_amd64_linux)
/* Redirect vsyscalls to local versions */
add_hardwired_active(
0xFFFFFFFFFF600000ULL,
(Addr)&VG_(amd64_linux_REDIR_FOR_vgettimeofday)
);
add_hardwired_active(
0xFFFFFFFFFF600400ULL,
(Addr)&VG_(amd64_linux_REDIR_FOR_vtime)
);
/* If we're using memcheck, use these intercepts right from
the start, otherwise ld.so makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec(
"ld-linux-x86-64.so.2", "strlen",
(Addr)&VG_(amd64_linux_REDIR_FOR_strlen),
# if defined(GLIBC_2_2) || defined(GLIBC_2_3) || defined(GLIBC_2_4) \
|| defined(GLIBC_2_5) || defined(GLIBC_2_6) || defined(GLIBC_2_7) \
|| defined(GLIBC_2_8) || defined(GLIBC_2_9)
NULL
# else
/* for glibc-2.10 and later, this is mandatory - can't sanely
continue without it */
complain_about_stripped_glibc_ldso
# endif
);
}
# elif defined(VGP_ppc32_linux)
/* If we're using memcheck, use these intercepts right from
the start, otherwise ld.so makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
/* this is mandatory - can't sanely continue without it */
add_hardwired_spec(
"ld.so.1", "strlen",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strlen),
complain_about_stripped_glibc_ldso
);
add_hardwired_spec(
"ld.so.1", "strcmp",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strcmp),
NULL /* not mandatory - so why bother at all? */
/* glibc-2.6.1 (openSUSE 10.3, ppc32) seems fine without it */
);
add_hardwired_spec(
"ld.so.1", "index",
(Addr)&VG_(ppc32_linux_REDIR_FOR_strchr),
NULL /* not mandatory - so why bother at all? */
/* glibc-2.6.1 (openSUSE 10.3, ppc32) seems fine without it */
);
}
# elif defined(VGP_ppc64_linux)
/* If we're using memcheck, use these intercepts right from
the start, otherwise ld.so makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
/* this is mandatory - can't sanely continue without it */
add_hardwired_spec(
"ld64.so.1", "strlen",
(Addr)VG_(fnptr_to_fnentry)( &VG_(ppc64_linux_REDIR_FOR_strlen) ),
complain_about_stripped_glibc_ldso
);
add_hardwired_spec(
"ld64.so.1", "index",
(Addr)VG_(fnptr_to_fnentry)( &VG_(ppc64_linux_REDIR_FOR_strchr) ),
NULL /* not mandatory - so why bother at all? */
/* glibc-2.5 (FC6, ppc64) seems fine without it */
);
}
# elif defined(VGP_ppc32_aix5)
/* nothing so far */
# elif defined(VGP_ppc64_aix5)
/* nothing so far */
# elif defined(VGO_darwin)
/* If we're using memcheck, use these intercepts right from
the start, otherwise dyld makes a lot of noise. */
if (0==VG_(strcmp)("Memcheck", VG_(details).name)) {
add_hardwired_spec("dyld", "strcmp",
(Addr)&VG_(darwin_REDIR_FOR_strcmp), NULL);
add_hardwired_spec("dyld", "strlen",
(Addr)&VG_(darwin_REDIR_FOR_strlen), NULL);
add_hardwired_spec("dyld", "strcat",
(Addr)&VG_(darwin_REDIR_FOR_strcat), NULL);
add_hardwired_spec("dyld", "strcpy",
(Addr)&VG_(darwin_REDIR_FOR_strcpy), NULL);
add_hardwired_spec("dyld", "strlcat",
(Addr)&VG_(darwin_REDIR_FOR_strlcat), NULL);
# if defined(VGP_amd64_darwin)
// DDD: #warning fixme rdar://6166275
add_hardwired_spec("dyld", "arc4random",
(Addr)&VG_(darwin_REDIR_FOR_arc4random), NULL);
# endif
}
# else
# error Unknown platform
# endif
if (VG_(clo_trace_redir))
show_redir_state("after VG_(redir_initialise)");
}
