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-rw-r--r--lib/libdwarf/dwarf_abbrev.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libdwarf/dwarf_abbrev.c b/lib/libdwarf/dwarf_abbrev.c
new file mode 100644
index 0000000..aae575c
--- /dev/null
+++ b/lib/libdwarf/dwarf_abbrev.c
@@ -0,0 +1,71 @@
+/*-
+ * Copyright (c) 2007 John Birrell (jb@freebsd.org)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <stdlib.h>
+#include "_libdwarf.h"
+
+int
+dwarf_abbrev_add(Dwarf_CU cu, uint64_t entry, uint64_t tag, uint8_t children, Dwarf_Abbrev *ap, Dwarf_Error *error)
+{
+ Dwarf_Abbrev a;
+ int ret = DWARF_E_NONE;
+
+ if ((a = malloc(sizeof(struct _Dwarf_Abbrev))) == NULL) {
+ DWARF_SET_ERROR(error, DWARF_E_MEMORY);
+ return DWARF_E_MEMORY;
+ }
+
+ /* Initialise the abbrev structure. */
+ a->a_entry = entry;
+ a->a_tag = tag;
+ a->a_children = children;
+
+ /* Initialise the list of attributes. */
+ STAILQ_INIT(&a->a_attrib);
+
+ /* Add the abbrev to the list in the compilation unit. */
+ STAILQ_INSERT_TAIL(&cu->cu_abbrev, a, a_next);
+
+ if (ap != NULL)
+ *ap = a;
+
+ return ret;
+}
+
+Dwarf_Abbrev
+dwarf_abbrev_find(Dwarf_CU cu, uint64_t entry)
+{
+ Dwarf_Abbrev a = NULL;
+
+ STAILQ_FOREACH(a, &cu->cu_abbrev, a_next) {
+ if (a->a_entry == entry)
+ break;
+ }
+
+ return a;
+}
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