Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/tests/dwarf-getmacros.c b/tests/dwarf-getmacros.c
new file mode 100644
index 0000000..ac70248
--- /dev/null
+++ b/tests/dwarf-getmacros.c
@@ -0,0 +1,144 @@
+/* Test program for dwarf_getmacros and related
+ Copyright (C) 2009, 2014 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+#include ELFUTILS_HEADER(dw)
+#include <dwarf.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <inttypes.h>
+
+static void include (Dwarf *dbg, Dwarf_Off macoff, ptrdiff_t token);
+
+static int
+mac (Dwarf_Macro *macro, void *dbg)
+{
+ static int level = 0;
+
+ unsigned int opcode;
+ dwarf_macro_opcode (macro, &opcode);
+ switch (opcode)
+ {
+ case DW_MACRO_import:
+ {
+ Dwarf_Attribute at;
+ int r = dwarf_macro_param (macro, 0, &at);
+ assert (r == 0);
+
+ Dwarf_Word w;
+ r = dwarf_formudata (&at, &w);
+ assert (r == 0);
+
+ printf ("%*sinclude %#" PRIx64 "\n", level, "", w);
+ ++level;
+ include (dbg, w, DWARF_GETMACROS_START);
+ --level;
+ printf ("%*s/include\n", level, "");
+ break;
+ }
+
+ case DW_MACRO_start_file:
+ {
+ Dwarf_Files *files;
+ size_t nfiles;
+ if (dwarf_macro_getsrcfiles (dbg, macro, &files, &nfiles) < 0)
+ printf ("dwarf_macro_getsrcfiles: %s\n",
+ dwarf_errmsg (dwarf_errno ()));
+
+ Dwarf_Word w = 0;
+ dwarf_macro_param2 (macro, &w, NULL);
+
+ const char *name = dwarf_filesrc (files, (size_t) w, NULL, NULL);
+ printf ("%*sfile %s\n", level, "", name);
+ ++level;
+ break;
+ }
+
+ case DW_MACRO_end_file:
+ {
+ --level;
+ printf ("%*s/file\n", level, "");
+ break;
+ }
+
+ case DW_MACINFO_define:
+ case DW_MACRO_define_strp:
+ {
+ const char *value;
+ dwarf_macro_param2 (macro, NULL, &value);
+ printf ("%*s%s\n", level, "", value);
+ break;
+ }
+
+ case DW_MACINFO_undef:
+ case DW_MACRO_undef_strp:
+ break;
+
+ default:
+ {
+ size_t paramcnt;
+ dwarf_macro_getparamcnt (macro, ¶mcnt);
+ printf ("%*sopcode %u with %zd arguments\n",
+ level, "", opcode, paramcnt);
+ break;
+ }
+ }
+
+ return DWARF_CB_ABORT;
+}
+
+static void
+include (Dwarf *dbg, Dwarf_Off macoff, ptrdiff_t token)
+{
+ while ((token = dwarf_getmacros_off (dbg, macoff, mac, dbg, token)) != 0)
+ if (token == -1)
+ {
+ puts (dwarf_errmsg (dwarf_errno ()));
+ break;
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ assert (argc >= 3);
+ const char *name = argv[1];
+ ptrdiff_t cuoff = strtol (argv[2], NULL, 0);
+ bool new_style = argc > 3;
+
+ int fd = open (name, O_RDONLY);
+ Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
+
+ Dwarf_Die cudie_mem, *cudie = dwarf_offdie (dbg, cuoff, &cudie_mem);
+
+ for (ptrdiff_t off = new_style ? DWARF_GETMACROS_START : 0;
+ (off = dwarf_getmacros (cudie, mac, dbg, off)); )
+ if (off == -1)
+ {
+ puts (dwarf_errmsg (dwarf_errno ()));
+ break;
+ }
+
+ dwarf_end (dbg);
+
+ return 0;
+}