libctf: Add iteration over non-root types

[deliverable/binutils-gdb.git] / libctf / ctf-util.c

diff --git a/libctf/ctf-util.c b/libctf/ctf-util.c
index 44600467a7e8942aca38af2b0a1bba922af916de..b813c0d41411c570e3aeec4965742b8942be533e 100644 (file)
--- a/libctf/ctf-util.c
+++ b/libctf/ctf-util.c
@@ -95,28 +95,6 @@ ctf_sym_to_elf64 (const Elf32_Sym *src, Elf64_Sym *dst)
   return dst;
 }
 
-/* Convert an encoded CTF string name into a pointer to a C string by looking
-  up the appropriate string table buffer and then adding the offset.  */
-
-const char *
-ctf_strraw (ctf_file_t *fp, uint32_t name)
-{
-  ctf_strs_t *ctsp = &fp->ctf_str[CTF_NAME_STID (name)];
-
-  if (ctsp->cts_strs != NULL && CTF_NAME_OFFSET (name) < ctsp->cts_len)
-    return (ctsp->cts_strs + CTF_NAME_OFFSET (name));
-
-  /* String table not loaded or corrupt offset.  */
-  return NULL;
-}
-
-const char *
-ctf_strptr (ctf_file_t *fp, uint32_t name)
-{
-  const char *s = ctf_strraw (fp, name);
-  return (s != NULL ? s : "(?)");
-}
-
 /* Same as strdup(3C), but use ctf_alloc() to do the memory allocation. */
 
 _libctf_malloc_ char *
@@ -154,6 +132,19 @@ ctf_str_append (char *s, const char *append)
   return s;
 }
 
+/* A realloc() that fails noisily if called with any ctf_str_num_users.  */
+void *
+ctf_realloc (ctf_file_t *fp, void *ptr, size_t size)
+{
+  if (fp->ctf_str_num_refs > 0)
+    {
+      ctf_dprintf ("%p: attempt to realloc() string table with %lu active refs\n",
+                  (void *) fp, (unsigned long) fp->ctf_str_num_refs);
+      return NULL;
+    }
+  return realloc (ptr, size);
+}
+
 /* Store the specified error code into errp if it is non-NULL, and then
    return NULL for the benefit of the caller.  */
 
@@ -166,9 +157,9 @@ ctf_set_open_errno (int *errp, int error)
 }
 
 /* Store the specified error code into the CTF container, and then return
-   CTF_ERR for the benefit of the caller. */
+   CTF_ERR / -1 for the benefit of the caller. */
 
-long
+unsigned long
 ctf_set_errno (ctf_file_t * fp, int err)
 {
   fp->ctf_errno = err;