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Provide __libc_fatal for rtld.

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This commit is contained in:
Roland McGrath
2015-07-09 15:32:32 -07:00
parent af85d409a2
commit 2193ce8746
3 changed files with 29 additions and 17 deletions
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40
elf/dl-minimal.c
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@ -18,6 +18,7 @@
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include <tls.h>
#include <unistd.h>
@ -193,8 +194,22 @@ __strerror_r (int errnum, char *buf, size_t buflen)
return msg;
}
#ifndef NDEBUG
void
__libc_fatal (const char *message)
{
_dl_fatal_printf ("%s", message);
}
rtld_hidden_def (__libc_fatal)
void
__attribute__ ((noreturn))
__chk_fail (void)
{
_exit (127);
}
rtld_hidden_def (__chk_fail)
#ifndef NDEBUG
/* Define (weakly) our own assert failure function which doesn't use stdio.
If we are linked into the user program (-ldl), the normal __assert_fail
defn can override this one. */
@ -209,7 +224,7 @@ Inconsistency detected by ld.so: %s: %u: %s%sAssertion `%s' failed!\n",
assertion);
}
rtld_hidden_weak(__assert_fail)
rtld_hidden_weak (__assert_fail)
void weak_function
__assert_perror_fail (int errnum,
@ -225,7 +240,7 @@ Inconsistency detected by ld.so: %s: %u: %s%sUnexpected error: %s.\n",
}
rtld_hidden_weak (__assert_perror_fail)
#endif
unsigned long int weak_function
__strtoul_internal (const char *nptr, char **endptr, int base, int group)
{
@ -324,7 +339,11 @@ _itoa (value, buflim, base, upper_case)
return buflim;
}
/* The '_itoa_lower_digits' variable in libc.so is able to handle bases
up to 36. We don't need this here. */
const char _itoa_lower_digits[16] = "0123456789abcdef";
rtld_hidden_data_def (_itoa_lower_digits)
/* The following is not a complete strsep implementation. It cannot
handle empty delimiter strings. But this isn't necessary for the
execution of ld.so. */
@ -367,16 +386,3 @@ __strsep (char **stringp, const char *delim)
}
weak_alias (__strsep, strsep)
strong_alias (__strsep, __strsep_g)
void
__attribute__ ((noreturn))
__chk_fail (void)
{
_exit (127);
}
rtld_hidden_def (__chk_fail)
/* The '_itoa_lower_digits' variable in libc.so is able to handle bases
up to 36. We don't need this here. */
const char _itoa_lower_digits[16] = "0123456789abcdef";
rtld_hidden_data_def (_itoa_lower_digits)