--- /dev/null
+/* Test program for dwarf_getscopes.
+ Copyright (C) 2005 Red Hat, Inc.
+
+ 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. */
+
+#include <config.h>
+#include <assert.h>
+#include <inttypes.h>
+#include <libdwfl.h>
+#include <dwarf.h>
+#include <argp.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <locale.h>
+#include <stdlib.h>
+#include <error.h>
+#include <string.h>
+
+
+static void
+paddr (const char *prefix, Dwarf_Addr addr, Dwfl_Line *line)
+{
+ const char *src;
+ int lineno, linecol;
+ if (line != NULL
+ && (src = dwfl_lineinfo (line, &addr, &lineno, &linecol,
+ NULL, NULL)) != NULL)
+ {
+ if (linecol != 0)
+ printf ("%s%#" PRIx64 " (%s:%d:%d)",
+ prefix, addr, src, lineno, linecol);
+ else
+ printf ("%s%#" PRIx64 " (%s:%d)",
+ prefix, addr, src, lineno);
+ }
+ else
+ printf ("%s%#" PRIx64, prefix, addr);
+}
+
+static const char *
+dwarf_diename_integrate (Dwarf_Die *die)
+{
+ Dwarf_Attribute attr_mem;
+ return dwarf_formstring (dwarf_attr_integrate (die, DW_AT_name, &attr_mem));
+}
+
+static void
+print_vars (unsigned int indent, Dwarf_Die *die)
+{
+ Dwarf_Die child;
+ if (dwarf_child (die, &child) == 0)
+ do
+ switch (dwarf_tag (&child))
+ {
+ case DW_TAG_variable:
+ case DW_TAG_formal_parameter:
+ printf ("%*s%-30s[%6" PRIx64 "]\n", indent, "",
+ dwarf_diename_integrate (&child),
+ (uint64_t) dwarf_dieoffset (&child));
+ break;
+ default:
+ break;
+ }
+ while (dwarf_siblingof (&child, &child) == 0);
+
+ Dwarf_Attribute attr_mem;
+ Dwarf_Die origin;
+ if (dwarf_hasattr (die, DW_AT_abstract_origin)
+ && dwarf_formref_die (dwarf_attr (die, DW_AT_abstract_origin, &attr_mem),
+ &origin) != NULL
+ && dwarf_child (&origin, &child) == 0)
+ do
+ switch (dwarf_tag (&child))
+ {
+ case DW_TAG_variable:
+ case DW_TAG_formal_parameter:
+ printf ("%*s%s (abstract)\n", indent, "",
+ dwarf_diename_integrate (&child));
+ break;
+ default:
+ break;
+ }
+ while (dwarf_siblingof (&child, &child) == 0);
+}
+
+
+#define INDENT 4
+
+static void
+handle_address (GElf_Addr pc, Dwfl *dwfl)
+{
+ Dwarf_Addr cubias;
+ Dwarf_Die *cudie = dwfl_addrdie (dwfl, pc, &cubias);
+ if (cudie == NULL)
+ error (EXIT_FAILURE, 0, "dwfl_addrdie: %s", dwfl_errmsg (-1));
+
+ Dwarf_Die *scopes;
+ int n = dwarf_getscopes (cudie, pc - cubias, &scopes);
+ if (n < 0)
+ error (EXIT_FAILURE, 0, "dwarf_getscopes: %s", dwarf_errmsg (-1));
+ else if (n == 0)
+ printf ("%#" PRIx64 ": not in any scope\n", pc);
+ else
+ {
+ printf ("%#" PRIx64 ":\n", pc);
+ unsigned int indent = 0;
+ while (n-- > 0)
+ {
+ Dwarf_Die *const die = &scopes[n];
+
+ indent += INDENT;
+ printf ("%*s%s (%#x)", indent, "",
+ dwarf_diename_integrate (die) ?: "<unnamed>",
+ dwarf_tag (die));
+
+ Dwarf_Addr lowpc, highpc;
+ if (dwarf_lowpc (die, &lowpc) == 0
+ && dwarf_highpc (die, &highpc) == 0)
+ {
+ Dwfl_Line *loline = dwfl_getsrc (dwfl, lowpc);
+ Dwfl_Line *hiline = dwfl_getsrc (dwfl, highpc);
+ paddr (": ", lowpc, loline);
+ if (highpc != lowpc)
+ paddr (" .. ", lowpc, hiline == loline ? NULL : hiline);
+ }
+ puts ("");
+
+ print_vars (indent + INDENT, die);
+ }
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ int remaining;
+
+ /* Set locale. */
+ (void) setlocale (LC_ALL, "");
+
+ Dwfl *dwfl = NULL;
+ (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining, &dwfl);
+ assert (dwfl != NULL);
+
+ int result = 0;
+
+ /* Now handle the addresses. In case none are given on the command
+ line, read from stdin. */
+ if (remaining == argc)
+ {
+ /* We use no threads here which can interfere with handling a stream. */
+ (void) __fsetlocking (stdin, FSETLOCKING_BYCALLER);
+
+ char *buf = NULL;
+ size_t len = 0;
+ while (!feof_unlocked (stdin))
+ {
+ if (getline (&buf, &len, stdin) < 0)
+ break;
+
+ char *endp;
+ uintmax_t addr = strtoumax (buf, &endp, 0);
+ if (endp != buf)
+ handle_address (addr, dwfl);
+ else
+ result = 1;
+ }
+
+ free (buf);
+ }
+ else
+ {
+ do
+ {
+ char *endp;
+ uintmax_t addr = strtoumax (argv[remaining], &endp, 0);
+ if (endp != argv[remaining])
+ handle_address (addr, dwfl);
+ else
+ result = 1;
+ }
+ while (++remaining < argc);
+ }
+
+ return result;
+}
projects / thirdparty / elfutils.git / commitdiff
