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-rw-r--r--tests/line2addr.c143
1 files changed, 102 insertions, 41 deletions
diff --git a/tests/line2addr.c b/tests/line2addr.c
index d2017fba..73c57f49 100644
--- a/tests/line2addr.c
+++ b/tests/line2addr.c
@@ -1,64 +1,125 @@
-#include <fcntl.h>
#include <inttypes.h>
-#include <libdw.h>
+#include <assert.h>
+#include <libdwfl.h>
+#include <argp.h>
#include <stdio.h>
+#include <locale.h>
#include <stdlib.h>
-#include <unistd.h>
+#include <string.h>
+#include <error.h>
+static void
+print_address (Dwfl_Module *mod, Dwarf_Addr address)
+{
+ int n = dwfl_module_relocations (mod);
+ if (n < 0)
+ error (0, 0, "dwfl_module_relocations: %s", dwfl_errmsg (-1));
+ else if (n > 0)
+ {
+ int i = dwfl_module_relocate_address (mod, &address);
+ if (i < 0)
+ error (0, 0, "dwfl_module_relocate_address: %s", dwfl_errmsg (-1));
+ else
+ {
+ const char *modname = dwfl_module_info (mod, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL);
+ const char *secname = dwfl_module_relocation_info (mod, i, NULL);
+ if (n > 1 || secname[0] != '\0')
+ printf ("%s(%s)+%#" PRIx64, modname, secname, address);
+ else
+ printf ("%s(%s)+%#" PRIx64, modname, secname, address);
+ return;
+ }
+ }
+
+ printf ("%#" PRIx64, address);
+}
+
+
+struct args
+{
+ const char *arg;
+ char *file;
+ int line;
+};
+
+static int
+handle_module (Dwfl_Module *mod __attribute__ ((unused)),
+ void **udata __attribute__ ((unused)),
+ const char *modname, Dwarf_Addr base __attribute__ ((unused)),
+ Dwarf *dbg __attribute__ ((unused)),
+ Dwarf_Addr bias __attribute__ ((unused)), void *arg)
+{
+ const struct args *const a = arg;
+
+ Dwfl_Line **lines = NULL;
+ size_t nlines = 0;
+
+ if (dwfl_module_getsrc_file (mod, a->file, a->line, 0, &lines, &nlines) == 0)
+ {
+ for (size_t inner = 0; inner < nlines; ++inner)
+ {
+ Dwarf_Addr addr;
+ int line = a->line, col = 0;
+ const char *file = dwfl_lineinfo (lines[inner], &addr, &line, &col,
+ NULL, NULL);
+ if (file != NULL)
+ {
+ printf ("%s -> ", a->arg);
+ print_address (mod, addr);
+ if (modname[0] != '\0')
+ printf (" (%s:", modname);
+ if (strcmp (file, a->file) || line != a->line || col != 0)
+ printf (" %s%s:%d", modname[0] != '\0' ? "" : "(",
+ file, line);
+ if (col != 0)
+ printf (":%d");
+ if (modname[0] != '\0'
+ || strcmp (file, a->file) || line != a->line || col != 0)
+ puts (")");
+ else
+ puts ("");
+ }
+ }
+ free (lines);
+ }
+
+ return DWARF_CB_OK;
+}
+
int
main (int argc, char *argv[])
{
- for (int cnt = 1; cnt < argc; ++cnt)
+ int cnt;
+
+ /* Set locale. */
+ (void) setlocale (LC_ALL, "");
+
+ Dwfl *dwfl = NULL;
+ (void) argp_parse (dwfl_standard_argp (), argc, argv, 0, &cnt, &dwfl);
+ assert (dwfl != NULL);
+
+ for (; cnt < argc; ++cnt)
{
- char *fname;
- char *file;
- int line;
+ struct args a = { .arg = argv[cnt] };
- switch (sscanf (argv[cnt], "%a[^:]:%a[^:]:%d",
- &fname, &file, &line))
+ switch (sscanf (a.arg, "%a[^:]:%d", &a.file, &a.line))
{
default:
case 0:
- case 1:
printf ("ignored %s\n", argv[cnt]);
continue;
- case 2:
- line = 0;
+ case 1:
+ a.line = 0;
break;
- case 3:
+ case 2:
break;
}
- int fd = open (fname, O_RDONLY);
- if (fd == -1)
- continue;
-
- Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
- if (dbg != NULL)
- {
- Dwarf_Line **lines = NULL;
- size_t nlines = 0;
-
- if (dwarf_getsrc_file (dbg, file, line, 0, &lines, &nlines) == 0)
- {
- for (size_t inner = 0; inner < nlines; ++inner)
- {
- Dwarf_Addr addr;
- if (dwarf_lineaddr (lines[inner], &addr) == 0)
- printf ("%s -> %#" PRIxMAX "\n",
- argv[cnt], (uintmax_t) addr);
- }
-
- free (lines);
- }
-
- dwarf_end (dbg);
- }
+ (void) dwfl_getdwarf (dwfl, &handle_module, &a, 0);
- close (fd);
- free (fname);
- free (file);
+ free (a.file);
}
return 0;