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/show-die-info.c b/tests/show-die-info.c
new file mode 100644
index 0000000..34e27a3
--- /dev/null
+++ b/tests/show-die-info.c
@@ -0,0 +1,358 @@
+/* Copyright (C) 1998-2002, 2004, 2006, 2012, 2015 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 1998.
+
+ 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 <dwarf.h>
+#include <inttypes.h>
+#include <libelf.h>
+#include ELFUTILS_HEADER(dw)
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../libdw/known-dwarf.h"
+
+static const char *
+dwarf_tag_string (unsigned int tag)
+{
+ switch (tag)
+ {
+#define DWARF_ONE_KNOWN_DW_TAG(NAME, CODE) case CODE: return #NAME;
+ DWARF_ALL_KNOWN_DW_TAG
+#undef DWARF_ONE_KNOWN_DW_TAG
+ default:
+ return NULL;
+ }
+}
+
+static const char *
+dwarf_attr_string (unsigned int attrnum)
+{
+ switch (attrnum)
+ {
+#define DWARF_ONE_KNOWN_DW_AT(NAME, CODE) case CODE: return #NAME;
+ DWARF_ALL_KNOWN_DW_AT
+#undef DWARF_ONE_KNOWN_DW_AT
+ default:
+ return NULL;
+ }
+}
+
+
+void
+handle (Dwarf *dbg, Dwarf_Die *die, int n)
+{
+ Dwarf_Die child;
+ unsigned int tag;
+ const char *str;
+ char buf[30];
+ const char *name;
+ Dwarf_Off off;
+ Dwarf_Off cuoff;
+ size_t cnt;
+ Dwarf_Addr addr;
+ int i;
+
+ tag = dwarf_tag (die);
+ if (tag != DW_TAG_invalid)
+ {
+ str = dwarf_tag_string (tag);
+ if (str == NULL)
+ {
+ snprintf (buf, sizeof buf, "%#x", tag);
+ str = buf;
+ }
+ }
+ else
+ str = "* NO TAG *";
+
+ name = dwarf_diename (die);
+ if (name == 0)
+ name = "* NO NAME *";
+
+ off = dwarf_dieoffset (die);
+ cuoff = dwarf_cuoffset (die);
+
+ printf ("%*sDW_TAG_%s\n", n * 5, "", str);
+ printf ("%*s Name : %s\n", n * 5, "", name);
+ printf ("%*s Offset : %lld\n", n * 5, "", (long long int) off);
+ printf ("%*s CU offset : %lld\n", n * 5, "", (long long int) cuoff);
+
+ printf ("%*s Attrs :", n * 5, "");
+ for (cnt = 0; cnt < 0xffff; ++cnt)
+ if (dwarf_hasattr (die, cnt))
+ printf (" %s", dwarf_attr_string (cnt));
+ puts ("");
+
+ if (dwarf_hasattr (die, DW_AT_low_pc) && dwarf_lowpc (die, &addr) == 0)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Addr addr2;
+ printf ("%*s low PC : %#llx\n",
+ n * 5, "", (unsigned long long int) addr);
+
+ if (dwarf_attr (die, DW_AT_low_pc, &attr) == NULL
+ || dwarf_formaddr (&attr, &addr2) != 0
+ || addr != addr2)
+ puts ("************* DW_AT_low_pc verify failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_addr))
+ puts ("************* DW_AT_low_pc form failed ************");
+ else if (dwarf_whatform (&attr) != DW_FORM_addr)
+ puts ("************* DW_AT_low_pc form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_low_pc)
+ puts ("************* DW_AT_low_pc attr failed ************");
+ }
+ if (dwarf_hasattr (die, DW_AT_high_pc) && dwarf_highpc (die, &addr) == 0)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Addr addr2;
+ printf ("%*s high PC : %#llx\n",
+ n * 5, "", (unsigned long long int) addr);
+ if (dwarf_attr (die, DW_AT_high_pc, &attr) == NULL
+ || dwarf_formaddr (&attr, &addr2) != 0
+ || addr != addr2)
+ puts ("************* DW_AT_high_pc verify failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_addr))
+ puts ("************* DW_AT_high_pc form failed ************");
+ else if (dwarf_whatform (&attr) != DW_FORM_addr)
+ puts ("************* DW_AT_high_pc form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_high_pc)
+ puts ("************* DW_AT_high_pc attr failed ************");
+ }
+
+ if (dwarf_hasattr (die, DW_AT_byte_size) && (i = dwarf_bytesize (die)) != -1)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Word u2;
+ unsigned int u;
+ printf ("%*s byte size : %d\n", n * 5, "", i);
+ if (dwarf_attr (die, DW_AT_byte_size, &attr) == NULL
+ || dwarf_formudata (&attr, &u2) != 0
+ || i != (int) u2)
+ puts ("************* DW_AT_byte_size verify failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_data1)
+ && ! dwarf_hasform (&attr, DW_FORM_data2)
+ && ! dwarf_hasform (&attr, DW_FORM_data4)
+ && ! dwarf_hasform (&attr, DW_FORM_data8)
+ && ! dwarf_hasform (&attr, DW_FORM_sdata)
+ && ! dwarf_hasform (&attr, DW_FORM_udata))
+ puts ("************* DW_AT_byte_size form failed ************");
+ else if ((u = dwarf_whatform (&attr)) == 0
+ || (u != DW_FORM_data1
+ && u != DW_FORM_data2
+ && u != DW_FORM_data4
+ && u != DW_FORM_data8
+ && u != DW_FORM_sdata
+ && u != DW_FORM_udata))
+ puts ("************* DW_AT_byte_size form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_byte_size)
+ puts ("************* DW_AT_byte_size attr failed ************");
+ }
+ if (dwarf_hasattr (die, DW_AT_bit_size) && (i = dwarf_bitsize (die)) != -1)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Word u2;
+ unsigned int u;
+ printf ("%*s bit size : %d\n", n * 5, "", i);
+ if (dwarf_attr (die, DW_AT_bit_size, &attr) == NULL
+ || dwarf_formudata (&attr, &u2) != 0
+ || i != (int) u2)
+ puts ("************* DW_AT_bit_size test failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_data1)
+ && ! dwarf_hasform (&attr, DW_FORM_data2)
+ && ! dwarf_hasform (&attr, DW_FORM_data4)
+ && ! dwarf_hasform (&attr, DW_FORM_data8)
+ && ! dwarf_hasform (&attr, DW_FORM_sdata)
+ && ! dwarf_hasform (&attr, DW_FORM_udata))
+ puts ("************* DW_AT_bit_size form failed ************");
+ else if ((u = dwarf_whatform (&attr)) == 0
+ || (u != DW_FORM_data1
+ && u != DW_FORM_data2
+ && u != DW_FORM_data4
+ && u != DW_FORM_data8
+ && u != DW_FORM_sdata
+ && u != DW_FORM_udata))
+ puts ("************* DW_AT_bit_size form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_bit_size)
+ puts ("************* DW_AT_bit_size attr failed ************");
+ }
+ if (dwarf_hasattr (die, DW_AT_bit_offset)
+ && (i = dwarf_bitoffset (die)) != -1)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Word u2;
+ unsigned int u;
+ printf ("%*s bit offset: %d\n", n * 5, "", i);
+ if (dwarf_attr (die, DW_AT_bit_offset, &attr) == NULL
+ || dwarf_formudata (&attr, &u2) != 0
+ || i != (int) u2)
+ puts ("************* DW_AT_bit_offset test failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_data1)
+ && ! dwarf_hasform (&attr, DW_FORM_data2)
+ && ! dwarf_hasform (&attr, DW_FORM_data4)
+ && ! dwarf_hasform (&attr, DW_FORM_data8)
+ && ! dwarf_hasform (&attr, DW_FORM_sdata)
+ && ! dwarf_hasform (&attr, DW_FORM_udata))
+ puts ("************* DW_AT_bit_offset form failed ************");
+ else if ((u = dwarf_whatform (&attr)) == 0
+ || (u != DW_FORM_data1
+ && u != DW_FORM_data2
+ && u != DW_FORM_data4
+ && u != DW_FORM_data8
+ && u != DW_FORM_sdata
+ && u != DW_FORM_udata))
+ puts ("************* DW_AT_bit_offset form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_bit_offset)
+ puts ("************* DW_AT_bit_offset attr failed ************");
+ }
+
+ if (dwarf_hasattr (die, DW_AT_language) && (i = dwarf_srclang (die)) != -1)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Word u2;
+ unsigned int u;
+ printf ("%*s language : %d\n", n * 5, "", i);
+ if (dwarf_attr (die, DW_AT_language, &attr) == NULL
+ || dwarf_formudata (&attr, &u2) != 0
+ || i != (int) u2)
+ puts ("************* DW_AT_language test failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_data1)
+ && ! dwarf_hasform (&attr, DW_FORM_data2)
+ && ! dwarf_hasform (&attr, DW_FORM_data4)
+ && ! dwarf_hasform (&attr, DW_FORM_data8)
+ && ! dwarf_hasform (&attr, DW_FORM_sdata)
+ && ! dwarf_hasform (&attr, DW_FORM_udata))
+ puts ("************* DW_AT_language form failed ************");
+ else if ((u = dwarf_whatform (&attr)) == 0
+ || (u != DW_FORM_data1
+ && u != DW_FORM_data2
+ && u != DW_FORM_data4
+ && u != DW_FORM_data8
+ && u != DW_FORM_sdata
+ && u != DW_FORM_udata))
+ puts ("************* DW_AT_language form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_language)
+ puts ("************* DW_AT_language attr failed ************");
+ }
+
+ if (dwarf_hasattr (die, DW_AT_ordering)
+ && (i = dwarf_arrayorder (die)) != -1)
+ {
+ Dwarf_Attribute attr;
+ Dwarf_Word u2;
+ unsigned int u;
+ printf ("%*s ordering : %d\n", n * 5, "", i);
+ if (dwarf_attr (die, DW_AT_ordering, &attr) == NULL
+ || dwarf_formudata (&attr, &u2) != 0
+ || i != (int) u2)
+ puts ("************* DW_AT_ordering test failed ************");
+ else if (! dwarf_hasform (&attr, DW_FORM_data1)
+ && ! dwarf_hasform (&attr, DW_FORM_data2)
+ && ! dwarf_hasform (&attr, DW_FORM_data4)
+ && ! dwarf_hasform (&attr, DW_FORM_data8)
+ && ! dwarf_hasform (&attr, DW_FORM_sdata)
+ && ! dwarf_hasform (&attr, DW_FORM_udata))
+ puts ("************* DW_AT_ordering failed ************");
+ else if ((u = dwarf_whatform (&attr)) == 0
+ || (u != DW_FORM_data1
+ && u != DW_FORM_data2
+ && u != DW_FORM_data4
+ && u != DW_FORM_data8
+ && u != DW_FORM_sdata
+ && u != DW_FORM_udata))
+ puts ("************* DW_AT_ordering form (2) failed ************");
+ else if (dwarf_whatattr (&attr) != DW_AT_ordering)
+ puts ("************* DW_AT_ordering attr failed ************");
+ }
+
+ if (dwarf_hasattr (die, DW_AT_comp_dir))
+ {
+ Dwarf_Attribute attr;
+ if (dwarf_attr (die, DW_AT_comp_dir, &attr) == NULL
+ || (name = dwarf_formstring (&attr)) == NULL)
+ puts ("************* DW_AT_comp_dir attr failed ************");
+ else
+ printf ("%*s directory : %s\n", n * 5, "", name);
+ }
+
+ if (dwarf_hasattr (die, DW_AT_producer))
+ {
+ Dwarf_Attribute attr;
+ if (dwarf_attr (die, DW_AT_producer, &attr) == NULL
+ || (name = dwarf_formstring (&attr)) == NULL)
+ puts ("************* DW_AT_comp_dir attr failed ************");
+ else
+ printf ("%*s producer : %s\n", n * 5, "", name);
+ }
+
+ if (dwarf_haschildren (die) != 0 && dwarf_child (die, &child) == 0)
+ handle (dbg, &child, n + 1);
+ if (dwarf_siblingof (die, die) == 0)
+ handle (dbg, die, n);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ int cnt;
+
+ for (cnt = 1; cnt < argc; ++cnt)
+ {
+ int fd = open (argv[cnt], O_RDONLY);
+ Dwarf *dbg;
+
+ printf ("file: %s\n", basename (argv[cnt]));
+
+ dbg = dwarf_begin (fd, DWARF_C_READ);
+ if (dbg == NULL)
+ {
+ printf ("%s not usable\n", argv[cnt]);
+ close (fd);
+ continue;
+ }
+
+ Dwarf_Off off = 0;
+ Dwarf_Off old_off = 0;
+ size_t hsize;
+ Dwarf_Off abbrev;
+ uint8_t addresssize;
+ uint8_t offsetsize;
+ while (dwarf_nextcu (dbg, off, &off, &hsize, &abbrev, &addresssize,
+ &offsetsize) == 0)
+ {
+ printf ("New CU: off = %llu, hsize = %zu, ab = %llu, as = %" PRIu8
+ ", os = %" PRIu8 "\n",
+ (unsigned long long int) old_off, hsize,
+ (unsigned long long int) abbrev, addresssize,
+ offsetsize);
+
+ Dwarf_Die die;
+ if (dwarf_offdie (dbg, old_off + hsize, &die) != NULL)
+ handle (dbg, &die, 1);
+
+ old_off = off;
+ }
+
+ dwarf_end (dbg);
+ close (fd);
+ }
+
+ return 0;
+}