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-rw-r--r--libdw/dwarf_getfuncs.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/libdw/dwarf_getfuncs.c b/libdw/dwarf_getfuncs.c
new file mode 100644
index 00000000..149f1860
--- /dev/null
+++ b/libdw/dwarf_getfuncs.c
@@ -0,0 +1,63 @@
+/* Get function information.
+ Copyright (C) 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+ This program is Open Source software; you can redistribute it and/or
+ modify it under the terms of the Open Software License version 1.0 as
+ published by the Open Source Initiative.
+
+ You should have received a copy of the Open Software License along
+ with this program; if not, you may obtain a copy of the Open Software
+ License version 1.0 from http://www.opensource.org/licenses/osl.php or
+ by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+ 3001 King Ranch Road, Ukiah, CA 95482. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <dwarf.h>
+#include "libdwP.h"
+
+
+ptrdiff_t
+dwarf_getfuncs (Dwarf_Die *cudie, int (*callback) (Dwarf_Func *, void *),
+ void *arg, ptrdiff_t offset)
+{
+ if (unlikely (cudie == NULL
+ || INTUSE(dwarf_tag) (cudie) != DW_TAG_compile_unit))
+ return -1;
+
+ Dwarf_Die die_mem;
+ Dwarf_Die *die;
+
+ int res;
+ if (offset == 0)
+ res = INTUSE(dwarf_child) (cudie, &die_mem);
+ else
+ {
+ die = INTUSE(dwarf_offdie) (cudie->cu->dbg, offset, &die_mem);
+ res = INTUSE(dwarf_siblingof) (die, &die_mem);
+ }
+ die = res != 0 ? NULL : &die_mem;
+
+ while (die != NULL)
+ {
+ if (INTUSE(dwarf_tag) (die) == DW_TAG_subprogram)
+ {
+ Dwarf_Func fct;
+
+ fct.die = die;
+ fct.cudie = cudie;
+
+ if (callback (&fct, arg) != DWARF_CB_OK)
+ return INTUSE(dwarf_dieoffset) (die);
+ }
+
+ if (INTUSE(dwarf_siblingof) (die, &die_mem) != 0)
+ break;
+ }
+
+ /* That's all. */
+ return 0;
+}