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324 lines
7.2 KiB
324 lines
7.2 KiB
/* Test dwarf_cu_info properties.
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Copyright (C) 2018 Red Hat, Inc.
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <dwarf.h>
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#include ELFUTILS_HEADER(dw)
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#include <stdio.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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/* Yeah, lazy, 16K CUs should be enough for everybody... */
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#define MAX_UNITS 16384
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struct info
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{
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int dietag;
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int subtag;
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Dwarf_Half version;
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uint8_t unit_type;
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uint64_t id;
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uint8_t addr_size;
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uint8_t off_size;
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};
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static struct info unit_info[MAX_UNITS];
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int
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main (int argc, char *argv[])
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{
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for (int i = 1; i < argc; i++)
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{
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printf ("file: %s\n", argv[i]);
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int fd = open (argv[i], O_RDONLY);
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Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
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if (dbg == NULL)
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{
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printf ("%s not usable: %s\n", argv[i], dwarf_errmsg (-1));
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return -1;
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}
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Dwarf_CU *cu = NULL;
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Dwarf_Half version;
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Dwarf_Die cudie, subdie;
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uint8_t unit_type;
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size_t u, units;
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u = units = 0;
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printf ("Iterate getting all info, compare with dwarf_cu_info.\n");
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while (dwarf_get_units (dbg, cu, &cu, &version,
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&unit_type, &cudie, &subdie) == 0)
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{
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int dietag = dwarf_tag (&cudie);
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int subtag = dwarf_tag (&subdie);
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unit_info[u].dietag = dietag;
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unit_info[u].subtag = subtag;
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unit_info[u].version = version;
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unit_info[u].unit_type = unit_type;
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printf ("%zu cu dietag: %x, subtag: %x, version %" PRIx32
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", unit_type %" PRIx8 "\n",
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u, dietag, subtag, version, unit_type);
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uint64_t unit_id;
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uint8_t addr_size, off_size;
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if (dwarf_cu_info (cu,
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&version, &unit_type, &cudie, &subdie,
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&unit_id, &addr_size, &off_size) != 0)
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{
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printf ("Invalid dwarf_cu_info: %s\n", dwarf_errmsg (-1));
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return -1;
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}
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dietag = dwarf_tag (&cudie);
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subtag = dwarf_tag (&subdie);
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if (unit_info[u].dietag != dietag)
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{
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printf("Unequal dietags\n");
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return -1;
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}
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if (unit_info[u].subtag != subtag)
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{
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printf("Unequal subtags\n");
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return -1;
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}
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if (unit_info[u].version != version)
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{
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printf("Unequal versions\n");
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return -1;
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}
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if (unit_info[u].unit_type != unit_type)
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{
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printf("Unequal unit_types\n");
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return -1;
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}
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unit_info[u].id = unit_id;
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unit_info[u].addr_size = addr_size;
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unit_info[u].off_size = off_size;
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if (unit_type == DW_UT_skeleton)
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{
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if (dwarf_cu_info (subdie.cu,
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&version, &unit_type, &cudie, &subdie,
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&unit_id, &addr_size, &off_size) != 0)
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{
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printf ("Invalid subdie dwarf_cu_info: %s\n",
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dwarf_errmsg (-1));
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return -1;
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}
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dietag = dwarf_tag (&cudie);
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subtag = dwarf_tag (&subdie);
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printf ("%zu subdietag: %x, subtag: %x, version %" PRIx32
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", unit_type %" PRIx8 "\n",
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u, dietag, subtag, version, unit_type);
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/* subdie is now cudie. */
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if (unit_info[u].subtag != dietag)
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{
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printf ("Inconsistent subdie tag\n");
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return -1;
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}
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if (unit_info[u].id != unit_id)
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{
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printf ("Unequal subdie ids\n");
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return -1;
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}
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if (unit_info[u].addr_size != addr_size)
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{
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printf ("Unequal subdie addr_size\n");
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return -1;
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}
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if (unit_info[u].off_size != off_size)
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{
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printf ("Unequal subdie off_size\n");
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return -1;
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}
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}
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if (u >= MAX_UNITS)
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{
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printf ("Oops, more than 16K units...\n");
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return -1;
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}
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u = ++units;
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}
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dwarf_end (dbg);
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close (fd);
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/* And again... */
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printf ("rechecking: %s\n", argv[i]);
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fd = open (argv[i], O_RDONLY);
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dbg = dwarf_begin (fd, DWARF_C_READ);
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if (dbg == NULL)
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{
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printf ("%s not usable: %s\n", argv[i], dwarf_errmsg (-1));
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return -1;
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}
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cu = NULL;
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u = 0;
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printf ("Iterate no info, compare recorded info with dwarf_cu_info.\n");
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while (dwarf_get_units (dbg, cu, &cu, NULL, NULL, NULL, NULL) == 0)
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{
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if (u > units)
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{
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printf ("Got too many units???\n");
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return -1;
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}
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uint64_t unit_id;
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uint8_t addr_size, off_size;
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if (dwarf_cu_info (cu,
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&version, &unit_type, &cudie, &subdie,
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&unit_id, &addr_size, &off_size) != 0)
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{
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printf ("Invalid dwarf_cu_info: %s\n", dwarf_errmsg (-1));
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return -1;
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}
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int dietag = dwarf_tag (&cudie);
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int subtag = dwarf_tag (&subdie);
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printf ("%zu re dietag: %x, subtag: %x, version %" PRIx32
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", unit_type %" PRIx8 "\n",
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u, dietag, subtag, version, unit_type);
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if (unit_info[u].dietag != dietag)
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{
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printf("Unequal dietags %x != %x\n", unit_info[u].dietag, dietag);
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return -1;
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}
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if (unit_info[u].subtag != subtag)
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{
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printf("Unequal subtags\n");
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return -1;
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}
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if (unit_info[u].version != version)
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{
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printf("Unequal versions\n");
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return -1;
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}
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if (unit_info[u].unit_type != unit_type)
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{
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printf("Unequal unit_types\n");
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return -1;
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}
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if (unit_info[u].id != unit_id)
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{
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printf ("Unequal subdie ids\n");
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return -1;
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}
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if (unit_info[u].addr_size != addr_size)
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{
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printf ("Unequal subdie addr_size\n");
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return -1;
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}
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if (unit_info[u].off_size != off_size)
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{
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printf ("Unequal subdie off_size\n");
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return -1;
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}
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if (unit_type == DW_UT_skeleton)
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{
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if (dwarf_cu_info (subdie.cu,
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&version, &unit_type, &cudie, &subdie,
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&unit_id, &addr_size, &off_size) != 0)
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{
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printf ("Invalid subdie dwarf_cu_info: %s\n",
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dwarf_errmsg (-1));
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return -1;
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}
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dietag = dwarf_tag (&cudie);
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subtag = dwarf_tag (&subdie);
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printf ("%zu subdietag: %x, subtag: %x, version %" PRIx32
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", unit_type %" PRIx8 "\n",
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u, dietag, subtag, version, unit_type);
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/* subdie is now cudie. */
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subtag = dwarf_tag (&cudie);
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if (unit_info[u].subtag != subtag)
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{
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printf ("Inconsistent subdie tag\n");
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return -1;
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}
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if (unit_info[u].id != unit_id)
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{
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printf ("Unequal subdie ids\n");
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return -1;
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}
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if (unit_info[u].addr_size != addr_size)
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{
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printf ("Unequal subdie addr_size\n");
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return -1;
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}
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if (unit_info[u].off_size != off_size)
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{
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printf ("Unequal subdie off_size\n");
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return -1;
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}
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}
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if (u >= MAX_UNITS)
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{
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printf ("Oops, more than 16K units...\n");
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return -1;
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}
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u++;
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}
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if (u != units)
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{
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printf ("Got not enough units???\n");
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return -1;
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}
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dwarf_end (dbg);
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close (fd);
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printf ("\n");
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}
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return 0;
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}
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