char *start_symbol, *end_symbol;
guint8 *code;
guint32 code_size;
- MonoDebugMethodJitInfo *debug_info;
} MethodLineNumberInfo;
struct _MonoDwarfWriter
const char *temp_prefix;
gboolean emit_line, appending, collect_line_info;
GSList *line_info;
+ int cur_file_index;
};
static void
* debug information.
*/
MonoDwarfWriter*
-mono_dwarf_writer_create (MonoImageWriter *writer, FILE *il_file, int il_file_start_line, gboolean appending)
+mono_dwarf_writer_create (MonoImageWriter *writer, FILE *il_file, int il_file_start_line, gboolean appending, gboolean emit_line_numbers)
{
MonoDwarfWriter *w = g_new0 (MonoDwarfWriter, 1);
w->collect_line_info = TRUE;
}
+ if (!emit_line_numbers) {
+ w->emit_line = FALSE;
+ w->collect_line_info = FALSE;
+ }
+
w->fp = img_writer_get_fp (w->w);
w->temp_prefix = img_writer_get_temp_label_prefix (w->w);
w->class_to_vtype_die = g_hash_table_new (NULL, NULL);
w->class_to_pointer_die = g_hash_table_new (NULL, NULL);
w->class_to_reference_die = g_hash_table_new (NULL, NULL);
+ w->cur_file_index = -1;
return w;
}
static int subprogram_attr [] = {
DW_AT_name , DW_FORM_string,
+#ifndef TARGET_IOS
DW_AT_description , DW_FORM_string,
+#endif
DW_AT_low_pc , DW_FORM_addr,
DW_AT_high_pc , DW_FORM_addr,
DW_AT_frame_base , DW_FORM_block1
static int tramp_subprogram_attr [] = {
DW_AT_name , DW_FORM_string,
- DW_AT_description , DW_FORM_string,
DW_AT_low_pc , DW_FORM_addr,
DW_AT_high_pc , DW_FORM_addr,
};
return index;
}
-static void
-emit_line_number_info_begin (MonoDwarfWriter *w)
-{
- /* Line number info header */
- /*
- * GAS seems to emit its own data to the end of the first subsection, so we use
- * subsections 1, 2 etc:
- * 1 - contains the header
- * 2 - contains the file names
- * 3 - contains the end of the header + the data
- * 4 - the end symbol
- */
- emit_section_change (w, ".debug_line", 0);
- emit_label (w, ".Ldebug_line_section_start");
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_HEADER);
- emit_label (w, ".Ldebug_line_start");
- emit_symbol_diff (w, ".Ldebug_line_end", ".", -4); /* length */
- emit_int16 (w, 0x2); /* version */
- emit_symbol_diff (w, ".Ldebug_line_header_end", ".", -4); /* header_length */
- emit_byte (w, 1); /* minimum_instruction_length */
- emit_byte (w, 1); /* default_is_stmt */
- emit_byte (w, LINE_BASE); /* line_base */
- emit_byte (w, LINE_RANGE); /* line_range */
- emit_byte (w, OPCODE_BASE); /* opcode_base */
- emit_byte (w, 0); /* standard_opcode_lengths */
- emit_byte (w, 1);
- emit_byte (w, 1);
- emit_byte (w, 1);
- emit_byte (w, 1);
- emit_byte (w, 0);
- emit_byte (w, 0);
- emit_byte (w, 0);
- emit_byte (w, 1);
- emit_byte (w, 0);
- emit_byte (w, 0);
- emit_byte (w, 1);
-
- /* Includes */
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_INCLUDES);
-
- /* End of Includes */
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_FILES);
- emit_byte (w, 0);
-
- /* Files */
- emit_line_number_file_name (w, "xdb.il", 0, 0);
-
- /* End of Files */
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_DATA);
- emit_byte (w, 0);
-
- emit_label (w, ".Ldebug_line_header_end");
-
- /* Emit this into a separate subsection so it gets placed at the end */
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_END);
-
- emit_byte (w, 0);
- emit_byte (w, 1);
- emit_byte (w, DW_LNE_end_sequence);
-
- emit_label (w, ".Ldebug_line_end");
-}
-
-static char *
-escape_path (char *name)
+char *
+mono_dwarf_escape_path (const char *name)
{
if (strchr (name, '\\')) {
- char *s = g_malloc (strlen (name) * 2);
+ char *s;
int len, i, j;
len = strlen (name);
+ s = g_malloc0 ((len + 1) * 2);
j = 0;
for (i = 0; i < len; ++i) {
if (name [i] == '\\') {
}
return s;
}
- return name;
+ return g_strdup (name);
}
static void
int i;
GHashTable *dir_to_index, *index_to_dir;
GSList *l;
+ GSList *info_list;
g_assert (w->collect_line_info);
add_line_number_file_name (w, "<unknown>", 0, 0);
/* Collect files */
- // FIXME: Revert list
- for (l = w->line_info; l; l = l->next) {
+ info_list = g_slist_reverse (w->line_info);
+ for (l = info_list; l; l = l->next) {
MethodLineNumberInfo *info = l->data;
MonoDebugMethodInfo *minfo;
char *source_file;
for (i = 0; i < w->line_number_dir_index; ++i) {
char *dir = g_hash_table_lookup (index_to_dir, GUINT_TO_POINTER (i + 1));
- emit_string (w, escape_path (dir));
+ emit_string (w, mono_dwarf_escape_path (dir));
}
/* End of Includes */
emit_byte (w, 0);
if (basename)
emit_string (w, basename);
else
- emit_string (w, escape_path (name));
+ emit_string (w, mono_dwarf_escape_path (name));
emit_uleb128 (w, dir_index);
emit_byte (w, 0);
emit_byte (w, 0);
emit_label (w, ".Ldebug_line_header_end");
/* Emit line number table */
- for (l = w->line_info; l; l = l->next) {
+ for (l = info_list; l; l = l->next) {
MethodLineNumberInfo *info = l->data;
+ MonoDebugMethodJitInfo *dmji;
- emit_line_number_info (w, info->method, info->start_symbol, info->end_symbol, info->code, info->code_size, info->debug_info);
+ dmji = mono_debug_find_method (info->method, mono_domain_get ());;
+ emit_line_number_info (w, info->method, info->start_symbol, info->end_symbol, info->code, info->code_size, dmji);
+ mono_debug_free_method_jit_info (dmji);
}
+ g_slist_free (info_list);
emit_byte (w, 0);
emit_byte (w, 1);
}
void
-mono_dwarf_writer_emit_base_info (MonoDwarfWriter *w, GSList *base_unwind_program)
+mono_dwarf_writer_emit_base_info (MonoDwarfWriter *w, const char *cu_name, GSList *base_unwind_program)
{
char *s, *build_info;
int i;
emit_string (w, s);
g_free (build_info);
g_free (s);
- emit_string (w, "JITted code");
+ emit_string (w, cu_name);
emit_string (w, "");
emit_byte (w, DW_LANG_C);
emit_pointer_value (w, 0);
emit_pointer_value (w, 0);
/* offset into .debug_line section */
- emit_symbol_diff (w, ".Ldebug_line_start", ".Ldebug_line_section_start", 0);
+ if (w->emit_line)
+ emit_symbol_diff (w, ".Ldebug_line_start", ".Ldebug_line_section_start", 0);
+ else
+ emit_pointer_value (w, 0);
/* Base types */
for (i = 0; i < G_N_ELEMENTS (basic_types); ++i) {
emit_section_change (w, ".debug_loc", 0);
emit_label (w, ".Ldebug_loc_start");
- /* debug_line section */
- /*
- * We emit some info even if emit_line is FALSE, as the
- * apple linker seems to require a .debug_line section.
- */
- if (!w->collect_line_info)
- emit_line_number_info_begin (w);
-
emit_cie (w);
}
if (opcode != 0) {
emit_byte (w, opcode);
} else {
+ //printf ("large: %d %d %d\n", line_diff, addr_diff, max_special_addr_diff);
emit_byte (w, DW_LNS_advance_line);
emit_sleb128 (w, line_diff);
emit_byte (w, DW_LNS_advance_pc);
MonoDebugMethodInfo *minfo;
MonoDebugLineNumberEntry *ln_array;
int *native_to_il_offset = NULL;
-
+
if (!w->emit_line) {
mono_metadata_free_mh (header);
return;
prev_line = 1;
prev_il_offset = -1;
+ w->cur_file_index = -1;
for (i = 0; i < code_size; ++i) {
+ int line_diff, addr_diff;
+
if (!minfo)
continue;
prev_il_offset = il_offset;
loc = mono_debug_symfile_lookup_location (minfo, il_offset);
- if (loc && loc->source_file) {
- int line_diff = (gint32)loc->row - (gint32)prev_line;
- int addr_diff = i - prev_native_offset;
-
- if (first) {
- emit_section_change (w, ".debug_line", LINE_SUBSECTION_DATA);
-
- emit_byte (w, 0);
- emit_byte (w, sizeof (gpointer) + 1);
- emit_byte (w, DW_LNE_set_address);
- if (start_symbol)
- emit_pointer_unaligned (w, start_symbol);
- else
- emit_pointer_value (w, code);
+ if (!(loc && loc->source_file))
+ continue;
- /*
- * The prolog+initlocals region does not have a line number, this
- * makes them belong to the first line of the method.
- */
- emit_byte (w, DW_LNS_advance_line);
- emit_sleb128 (w, (gint32)loc->row - (gint32)prev_line);
- prev_line = loc->row;
- }
+ line_diff = (gint32)loc->row - (gint32)prev_line;
+ addr_diff = i - prev_native_offset;
- if (loc->row != prev_line) {
- if (!prev_file_name || strcmp (loc->source_file, prev_file_name) != 0) {
- /* Add an entry to the file table */
- /* FIXME: Avoid duplicates */
- if (w->collect_line_info)
- file_index = get_line_number_file_name (w, loc->source_file) + 1;
- else
- file_index = emit_line_number_file_name (w, loc->source_file, 0, 0);
- g_free (prev_file_name);
- prev_file_name = g_strdup (loc->source_file);
+ if (first) {
+ emit_section_change (w, ".debug_line", LINE_SUBSECTION_DATA);
+ emit_byte (w, 0);
+ emit_byte (w, sizeof (gpointer) + 1);
+ emit_byte (w, DW_LNE_set_address);
+ if (start_symbol)
+ emit_pointer_unaligned (w, start_symbol);
+ else
+ emit_pointer_value (w, code);
+
+ /*
+ * The prolog+initlocals region does not have a line number, this
+ * makes them belong to the first line of the method.
+ */
+ emit_byte (w, DW_LNS_advance_line);
+ //printf ("FIRST: %d %d %d\n", prev_line, loc->row, il_offset);
+ emit_sleb128 (w, (gint32)loc->row - (gint32)prev_line);
+ first = FALSE;
+ }
+
+ if (loc->row != prev_line) {
+ if (!prev_file_name || strcmp (loc->source_file, prev_file_name) != 0) {
+ /* Add an entry to the file table */
+ /* FIXME: Avoid duplicates */
+ if (w->collect_line_info)
+ file_index = get_line_number_file_name (w, loc->source_file) + 1;
+ else
+ file_index = emit_line_number_file_name (w, loc->source_file, 0, 0);
+ g_free (prev_file_name);
+ prev_file_name = g_strdup (loc->source_file);
+
+ if (w->cur_file_index != file_index) {
emit_byte (w, DW_LNS_set_file);
emit_uleb128 (w, file_index);
emit_byte (w, DW_LNS_copy);
- }
- //printf ("X: %p(+0x%x) %d %s:%d(+%d)\n", code + i, addr_diff, loc->il_offset, loc->source_file, loc->row, line_diff);
-
- emit_advance_op (w, line_diff, addr_diff);
-
- prev_line = loc->row;
- prev_native_offset = i;
+ w->cur_file_index = file_index;
+ }
}
+ }
- first = FALSE;
+ if (loc->row != prev_line && !first) {
+ //printf ("X: %p(+0x%x) %d %s:%d(+%d)\n", code + i, addr_diff, loc->il_offset, loc->source_file, loc->row, line_diff);
+ emit_advance_op (w, line_diff, addr_diff);
- mono_debug_symfile_free_location (loc);
+ prev_line = loc->row;
+ prev_native_offset = i;
}
+
+ mono_debug_symfile_free_location (loc);
+ first = FALSE;
}
g_free (native_to_il_offset);
emit_uleb128 (w, ABBREV_SUBPROGRAM);
name = mono_method_full_name (method, FALSE);
emit_string (w, name);
+#ifndef TARGET_IOS
emit_string (w, name);
+#endif
g_free (name);
if (start_symbol) {
emit_pointer_unaligned (w, start_symbol);
info->end_symbol = g_strdup (end_symbol);
info->code = code;
info->code_size = code_size;
- info->debug_info = debug_info;
w->line_info = g_slist_prepend (w->line_info, info);
} else {
emit_line_number_info (w, method, start_symbol, end_symbol, code, code_size, debug_info);