Add set/show debug dwarf-line.
gdb/ChangeLog: * NEWS: Mention "set debug dwarf-line". * dwarf2read.c (dwarf_line_debug): New static global. (add_include_dir): Add debug dwarf-line support. (add_file_name, dwarf_record_line, dwarf_finish_line): Ditto. (_initialize_dwarf2_read): New parameter "debug dwarf-line". gdb/doc/ChangeLog: * gdb.texinfo (Debugging Output): Mention set/show debug dwarf-line.
This commit is contained in:
Doug Evans
parent
4dcabcc2b5
commit
27e0867f4d
5 changed files with 65 additions and 2 deletions
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@ -1,3 +1,11 @@
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2015-05-27 Doug Evans <dje@google.com>
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* NEWS: Mention "set debug dwarf-line".
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* dwarf2read.c (dwarf_line_debug): New static global.
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(add_include_dir): Add debug dwarf-line support.
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(add_file_name, dwarf_record_line, dwarf_finish_line): Ditto.
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(_initialize_dwarf2_read): New parameter "debug dwarf-line".
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2015-05-27 Doug Evans <dje@google.com>
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* cp-namespace.c (cp_lookup_nested_symbol): New arg "domain".
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4
gdb/NEWS
4
gdb/NEWS
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@ -112,6 +112,10 @@ maint set dwarf max-cache-age
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maint show dwarf max-cache-age
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Renamed from "maint show dwarf2 max-cache-age".
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set debug dwarf-line
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show debug dwarf-line
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Control display of debugging info regarding DWARF line processing.
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set max-completions
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show max-completions
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Set the maximum number of candidates to be considered during
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@ -1,3 +1,7 @@
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2015-05-27 Doug Evans <dje@google.com>
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* gdb.texinfo (Debugging Output): Mention set/show debug dwarf-line.
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2015-05-26 Doug Evans <dje@google.com>
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* gdb.texinfo (Debugging Output): Update for DWARF "set debug"
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@ -23417,6 +23417,14 @@ The value is the number of nesting levels to print.
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A value of zero turns off the display.
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@item show debug dwarf-die
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Show the current state of DWARF DIE debugging.
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@item set debug dwarf-line
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@cindex DWARF Line Tables
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Turns on or off display of debugging messages related to reading
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DWARF line tables. The default is 0 (off).
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A value of 1 provides basic information.
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A value greater than 1 provides more verbose information.
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@item show debug dwarf-line
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Show the current state of DWARF line table debugging.
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@item set debug dwarf-read
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@cindex DWARF Reading
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Turns on or off display of debugging messages related to reading
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@ -84,6 +84,9 @@ static unsigned int dwarf_read_debug = 0;
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/* When non-zero, dump DIEs after they are read in. */
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static unsigned int dwarf_die_debug = 0;
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/* When non-zero, dump line number entries as they are read in. */
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static unsigned int dwarf_line_debug = 0;
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/* When non-zero, cross-check physname against demangler. */
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static int check_physname = 0;
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@ -17152,6 +17155,10 @@ free_line_header_voidp (void *arg)
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static void
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add_include_dir (struct line_header *lh, const char *include_dir)
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{
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if (dwarf_line_debug >= 2)
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fprintf_unfiltered (gdb_stdlog, "Adding dir %u: %s\n",
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lh->num_include_dirs + 1, include_dir);
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/* Grow the array if necessary. */
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if (lh->include_dirs_size == 0)
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{
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@ -17181,6 +17188,10 @@ add_file_name (struct line_header *lh,
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{
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struct file_entry *fe;
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if (dwarf_line_debug >= 2)
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fprintf_unfiltered (gdb_stdlog, "Adding file %u: %s\n",
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lh->num_file_names + 1, name);
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/* Grow the array if necessary. */
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if (lh->file_names_size == 0)
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{
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@ -17529,6 +17540,14 @@ dwarf_record_line (struct gdbarch *gdbarch, struct subfile *subfile,
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{
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CORE_ADDR addr = gdbarch_addr_bits_remove (gdbarch, address);
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if (dwarf_line_debug)
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{
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fprintf_unfiltered (gdb_stdlog,
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"Recording line %u, file %s, address %s\n",
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line, lbasename (subfile->name),
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paddress (gdbarch, address));
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}
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(*p_record_line) (subfile, line, addr);
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}
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@ -17541,8 +17560,18 @@ static void
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dwarf_finish_line (struct gdbarch *gdbarch, struct subfile *subfile,
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CORE_ADDR address, record_line_ftype p_record_line)
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{
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if (subfile != NULL)
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dwarf_record_line (gdbarch, subfile, 0, address, p_record_line);
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if (subfile == NULL)
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return;
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if (dwarf_line_debug)
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{
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fprintf_unfiltered (gdb_stdlog,
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"Finishing current line, file %s, address %s\n",
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lbasename (subfile->name),
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paddress (gdbarch, address));
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}
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dwarf_record_line (gdbarch, subfile, 0, address, p_record_line);
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}
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/* Subroutine of dwarf_decode_lines to simplify it.
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@ -23321,6 +23350,16 @@ The value is the maximum depth to print."),
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NULL,
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&setdebuglist, &showdebuglist);
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add_setshow_zuinteger_cmd ("dwarf-line", no_class, &dwarf_line_debug, _("\
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Set debugging of the dwarf line reader."), _("\
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Show debugging of the dwarf line reader."), _("\
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When enabled (non-zero), line number entries are dumped as they are read in.\n\
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A value of 1 (one) provides basic information.\n\
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A value greater than 1 provides more verbose information."),
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NULL,
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NULL,
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&setdebuglist, &showdebuglist);
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add_setshow_boolean_cmd ("check-physname", no_class, &check_physname, _("\
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Set cross-checking of \"physname\" code against demangler."), _("\
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Show cross-checking of \"physname\" code against demangler."), _("\
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