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Refine the PLT-bypassing-bypassing machinery so it works on Red Hat 9.

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This means we are now are zero regression test failures on RH9 too.  Yay.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1752
This commit is contained in:
Julian Seward 2003-07-13 00:53:22 +00:00
parent dd2abcb8e0
commit 79eff13d46
1 changed files with 21 additions and 13 deletions
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34
coregrind/vg_symtab2.c
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@ -2037,10 +2037,9 @@ static Addr reverse_search_one_symtab ( SegInfo* si,
{
UInt i;
for (i = 0; i < si->symtab_used; i++) {
/*
VG_(printf)("%p %s\n", si->symtab[i].addr,
&si->strtab[si->symtab[i].nmoff]);
*/
if (0)
VG_(printf)("%p %s\n", si->symtab[i].addr,
&si->strtab[si->symtab[i].nmoff]);
if (0 == VG_(strcmp)(name, &si->strtab[si->symtab[i].nmoff]))
return si->symtab[i].addr;
}
@ -2367,7 +2366,7 @@ CodeRedirect VG_(code_redirect_table)[VG_N_CODE_REDIRECTS];
Int VG_(setup_code_redirect_table) ( void )
{
# define N_SUBSTS 3
# define N_SUBSTS 6
Int i, j;
Addr a_libc, a_pth;
@ -2375,24 +2374,33 @@ Int VG_(setup_code_redirect_table) ( void )
/* Original entry points to look for in libc. */
static Char* libc_names[N_SUBSTS]
= { "__GI___errno_location",
"__GI___h_errno_location",
"__GI___res_state" };
= { "__GI___errno_location"
, "__errno_location"
, "__GI___h_errno_location"
, "__h_errno_location"
, "__GI___res_state"
, "__res_state"
};
/* Corresponding substitute address in our pthread lib. */
static Char* pth_names[N_SUBSTS]
= { "__errno_location",
"__h_errno_location",
"__res_state" };
= { "__errno_location"
, "__errno_location"
, "__h_errno_location"
, "__h_errno_location"
, "__res_state"
, "__res_state"
};
/* Look for the SegInfo for glibc and our pthread library. */
si_libc = si_pth = NULL;
for (si = segInfo; si != NULL; si = si->next) {
if (NULL != VG_(strstr)(si->filename, "/libc.so"))
if (VG_(strstr)(si->filename, "/libc-2.3.2.so")
|| VG_(strstr)(si->filename, "/libc.so"))
si_libc = si;
if (NULL != VG_(strstr)(si->filename, "/libpthread.so"))
if (VG_(strstr)(si->filename, "/libpthread.so"))
si_pth = si;
}