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-rw-r--r--debug/asprintf_chk.c18
-rw-r--r--debug/fgets_u_chk.c1
-rw-r--r--debug/fprintf_chk.c1
-rw-r--r--debug/sprintf_chk.c1
-rw-r--r--include/stdio.h13
-rw-r--r--sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c1
9 files changed, 36 insertions, 2 deletions
diff --git a/debug/asprintf_chk.c b/debug/asprintf_chk.c
index 651c2cd..e233d5d 100644
--- a/debug/asprintf_chk.c
+++ b/debug/asprintf_chk.c
@@ -22,7 +22,7 @@
/* Write formatted output from FORMAT to a string which is
allocated with malloc and stored in *STRING_PTR. */
int
-__asprintf_chk (char **result_ptr, int flag, const char *format, ...)
+___asprintf_chk (char **result_ptr, int flag, const char *format, ...)
{
/* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n
can only come from read-only format strings. */
@@ -36,3 +36,19 @@ __asprintf_chk (char **result_ptr, int flag, const char *format, ...)
return ret;
}
+#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
+/* This is needed since <bits/stdio-lbdl.h> is included in this case, leading to
+ * multiple asm redirection of the same symbol
+ */
+ldbl_hidden_def (___asprintf_chk, __asprintf_chk)
+ldbl_strong_alias (___asprintf_chk, __asprintf_chk)
+#else
+/* On some systems introduction of ldbl_* macros lead to ABI breakage due to the
+ * long_double_symbol aliasing, e.g. on s390x:
+ * /usr/bin/ld: glibc/iconv/../libio/bits/stdio2.h:137: undefined reference to
+ * `__asprintf_chk'
+ * Due to __asprintf_chk@@GLIBC_2.4 alias replacing __asprintf_chk.
+ */
+strong_alias (___asprintf_chk, __asprintf_chk)
+libc_hidden_def (__asprintf_chk)
+#endif
diff --git a/debug/fgets_u_chk.c b/debug/fgets_u_chk.c
index a16ba65..7427538 100644
--- a/debug/fgets_u_chk.c
+++ b/debug/fgets_u_chk.c
@@ -56,3 +56,4 @@ __fgets_unlocked_chk (char *buf, size_t size, int n, FILE *fp)
fp->_flags |= old_error;
return result;
}
+libc_hidden_builtin_def (__fgets_unlocked_chk)
diff --git a/debug/fprintf_chk.c b/debug/fprintf_chk.c
index b57d538..273051e 100644
--- a/debug/fprintf_chk.c
+++ b/debug/fprintf_chk.c
@@ -35,4 +35,5 @@ ___fprintf_chk (FILE *fp, int flag, const char *format, ...)
return ret;
}
+ldbl_hidden_def (___fprintf_chk, __fprintf_chk)
ldbl_strong_alias (___fprintf_chk, __fprintf_chk)
diff --git a/debug/sprintf_chk.c b/debug/sprintf_chk.c
index b27f4af..e45f1e7 100644
--- a/debug/sprintf_chk.c
+++ b/debug/sprintf_chk.c
@@ -42,4 +42,5 @@ ___sprintf_chk (char *s, int flag, size_t slen, const char *format, ...)
return ret;
}
+ldbl_hidden_def (___sprintf_chk, __sprintf_chk)
ldbl_strong_alias (___sprintf_chk, __sprintf_chk)
diff --git a/include/stdio.h b/include/stdio.h
index da47d1c..6755877 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -276,7 +276,18 @@ extern FILE *__open_memstream (char **, size_t *) __THROW __wur;
libc_hidden_proto (__open_memstream)
libc_hidden_proto (__libc_fatal)
rtld_hidden_proto (__libc_fatal)
-libc_hidden_proto (__vsprintf_chk)
+
+libc_hidden_proto (__fgets_unlocked_chk)
+
+#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
+libc_hidden_ldbl_proto (__asprintf_chk)
+#else
+libc_hidden_proto (__asprintf_chk)
+#endif
+
+libc_hidden_ldbl_proto (__fprintf_chk)
+libc_hidden_ldbl_proto (__sprintf_chk)
+libc_hidden_ldbl_proto (__vsprintf_chk)
extern FILE * __fmemopen (void *buf, size_t len, const char *mode);
libc_hidden_proto (__fmemopen)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c
index fbf953a..6e93ee8 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-asprintf_chk.c
@@ -35,4 +35,5 @@ ___ieee128___asprintf_chk (char **string_ptr, int flag, const char *format, ...)
return done;
}
+hidden_def (___ieee128___asprintf_chk)
strong_alias (___ieee128___asprintf_chk, __asprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c
index bd10e9c..e0865b6 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-fprintf_chk.c
@@ -35,4 +35,5 @@ ___ieee128___fprintf_chk (FILE *fp, int flag, const char *format, ...)
return done;
}
+hidden_def (___ieee128___fprintf_chk)
strong_alias (___ieee128___fprintf_chk, __fprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c
index 0039c3b..762757a 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-sprintf_chk.c
@@ -43,4 +43,5 @@ ___ieee128___sprintf_chk (char *s, int flag, size_t slen,
return done;
}
+hidden_def (___ieee128___sprintf_chk)
strong_alias (___ieee128___sprintf_chk, __sprintf_chkieee128)
diff --git a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c
index 2213726..c251b60 100644
--- a/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c
+++ b/sysdeps/ieee754/ldbl-128ibm-compat/ieee128-vsprintf_chk.c
@@ -35,4 +35,5 @@ ___ieee128___vsprintf_chk (char *string, int flag, size_t slen,
return __vsprintf_internal (string, slen, format, ap, mode);
}
+hidden_def (___ieee128___vsprintf_chk)
strong_alias (___ieee128___vsprintf_chk, __vsprintf_chkieee128)