int
main (int argc, char **argv)
{
char* args[3];
int res = 0;
Dwfl *dwfl;
Dwarf_Addr bias;
if (argc != 2)
fprintf(stderr, "Usage %s <file>", argv[0]);
// Pretend "dwarfsrcfiles -e <file>" was given, so we can use standard
// dwfl argp parser to open the file for us and get our Dwfl. Useful
// in case argument is an ET_REL file (like kernel modules). libdwfl
// will fix up relocations for us.
args[0] = argv[0];
args[1] = "-e";
args[2] = argv[1];
argp_parse (dwfl_standard_argp (), 3, args, 0, NULL, &dwfl);
Dwarf_Die *cu = NULL;
while ((cu = dwfl_nextcu (dwfl, cu, &bias)) != NULL)
res |= process_cu (cu);
dwfl_end (dwfl);
return res;
}
int main(void)
{
Dwfl *dw;
Dwfl_Module *mod;
Dwarf_Addr bias;
Dwarf_Die *die = NULL;
dw = dwfl_begin(&cb);
if (!dw)
errx(1, "dwfl_begin %s", dwfl_errmsg(-1));
mod = dwfl_report_offline(dw, "", "tst", -1);
if (!mod)
errx(1, "dwfl_begin %s", dwfl_errmsg(-1));
while ((die = dwfl_nextcu(dw, die, &bias))) {
print_die_rec(die, -1);
printf("\n");
}
dwfl_end(dw);
return 0;
}
int
main (int argc, char *argv[])
{
int remaining;
/* Set locale. */
(void) setlocale (LC_ALL, "");
struct args a = { .dwfl = NULL, .cu = NULL };
(void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &remaining,
&a.dwfl);
assert (a.dwfl != NULL);
a.argv = &argv[remaining];
int result = 0;
while ((a.cu = dwfl_nextcu (a.dwfl, a.cu, &a.dwbias)) != NULL)
dwarf_getfuncs (a.cu, &handle_function, &a, 0);
dwfl_end (a.dwfl);
return result;
}
int
main (int argc, char *argv[])
{
int cnt;
Dwfl *dwfl = NULL;
(void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &cnt, &dwfl);
assert (dwfl != NULL);
Dwarf_Die *cu = NULL;
Dwarf_Addr bias;
do
{
cu = dwfl_nextcu (dwfl, cu, &bias);
if (cu != NULL)
{
Dwfl_Module *mod = dwfl_cumodule (cu);
const char *modname = (dwfl_module_info (mod, NULL, NULL, NULL,
NULL, NULL, NULL, NULL)
?: "<unknown>");
const char *cuname = (dwarf_diename (cu) ?: "<unknown>");
printf ("mod: %s CU: [%" PRIx64 "] %s\n", modname,
dwarf_dieoffset (cu), cuname);
size_t lines;
if (dwfl_getsrclines (cu, &lines) != 0)
continue; // No lines...
for (size_t i = 0; i < lines; i++)
{
Dwfl_Line *line = dwfl_onesrcline (cu, i);
Dwarf_Addr addr;
int lineno;
int colno;
Dwarf_Word mtime;
Dwarf_Word length;
const char *src = dwfl_lineinfo (line, &addr, &lineno, &colno,
&mtime, &length);
Dwarf_Addr dw_bias;
Dwarf_Line *dw_line = dwfl_dwarf_line (line, &dw_bias);
assert (bias == dw_bias);
Dwarf_Addr dw_addr;
if (dwarf_lineaddr (dw_line, &dw_addr) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineaddr: %s",
dwarf_errmsg (-1));
assert (addr == dw_addr + dw_bias);
unsigned int dw_op_index;
if (dwarf_lineop_index (dw_line, &dw_op_index) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineop_index: %s",
dwarf_errmsg (-1));
int dw_lineno;
if (dwarf_lineno (dw_line, &dw_lineno) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineno: %s",
dwarf_errmsg (-1));
assert (lineno == dw_lineno);
int dw_colno;
if (dwarf_linecol (dw_line, &dw_colno) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineno: %s",
dwarf_errmsg (-1));
assert (colno == dw_colno);
bool begin;
if (dwarf_linebeginstatement (dw_line, &begin) != 0)
error (EXIT_FAILURE, 0, "dwarf_linebeginstatement: %s",
dwarf_errmsg (-1));
bool end;
if (dwarf_lineendsequence (dw_line, &end) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineendsequence: %s",
dwarf_errmsg (-1));
bool pend;
if (dwarf_lineprologueend (dw_line, &pend) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineprologueend: %s",
dwarf_errmsg (-1));
bool ebegin;
if (dwarf_lineepiloguebegin (dw_line, &ebegin) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineepiloguebegin: %s",
dwarf_errmsg (-1));
bool block;
if (dwarf_lineblock (dw_line, &block) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineblock: %s",
dwarf_errmsg (-1));
unsigned int isa;
if (dwarf_lineisa (dw_line, &isa) != 0)
error (EXIT_FAILURE, 0, "dwarf_lineisa: %s",
dwarf_errmsg (-1));
unsigned int disc;
if (dwarf_linediscriminator (dw_line, &disc) != 0)
error (EXIT_FAILURE, 0, "dwarf_linediscriminator: %s",
dwarf_errmsg (-1));
const char *dw_src;
Dwarf_Word dw_mtime;
Dwarf_Word dw_length;
dw_src = dwarf_linesrc (dw_line, &dw_mtime, &dw_length);
assert (strcmp (src, dw_src) == 0);
assert (mtime == dw_mtime);
assert (length == dw_length);
printf ("%zd %#" PRIx64 " %s:%d:%d\n"
" time: %#" PRIX64 ", len: %" PRIu64
", idx: %d, b: %d, e: %d"
", pe: %d, eb: %d, block: %d"
", isa: %d, disc: %d\n",
i, addr, src, lineno, colno, mtime, length,
dw_op_index, begin, end, pend, ebegin, block, isa, disc);
Dwarf_Die *linecu = dwfl_linecu (line);
assert (cu == linecu);
Dwfl_Module *linemod = dwfl_linemodule (line);
assert (mod == linemod);
}
}
}
while (cu != NULL);
dwfl_end (dwfl);
return 0;
}
