-/*
- * debug-mono-symfile.c:
+/**
+ * \file
+ *
+ * Support for reading debug info from .mdb files.
*
* Author:
* Mono Project (http://www.mono-project.com)
*
* Copyright (C) 2005-2008 Novell, Inc. (http://www.novell.com)
* Copyright 2012 Xamarin Inc (http://www.xamarin.com)
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
#include <config.h>
#include <mono/metadata/debug-helpers.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/debug-mono-symfile.h>
-#include <mono/metadata/mono-debug-debugger.h>
#include <mono/metadata/mono-endian.h>
#include <mono/metadata/metadata-internals.h>
#include <mono/metadata/class-internals.h>
#include <mono/utils/mono-mmap.h>
#include <mono/utils/bsearch.h>
+#ifndef DISABLE_MDB
+
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
if (strcmp (handle->image->guid, guid)) {
if (!in_the_debugger)
g_warning ("Symbol file %s doesn't match image %s", symfile->filename,
- handle->image_file);
+ handle->image->name);
if (guid)
g_free (guid);
return FALSE;
return TRUE;
}
+/**
+ * mono_debug_open_mono_symbols:
+ */
MonoSymbolFile *
mono_debug_open_mono_symbols (MonoDebugHandle *handle, const uint8_t *raw_contents,
int size, gboolean in_the_debugger)
if (raw_contents != NULL) {
unsigned char *p;
symfile->raw_contents_size = size;
- symfile->raw_contents = p = g_malloc (size);
+ symfile->raw_contents = p = (unsigned char *)g_malloc (size);
memcpy (p, raw_contents, size);
symfile->filename = g_strdup_printf ("LoadedFromMemory");
symfile->was_loaded_from_memory = TRUE;
} else {
MonoFileMap *f;
+
symfile->filename = g_strdup_printf ("%s.mdb", mono_image_get_filename (handle->image));
symfile->was_loaded_from_memory = FALSE;
if ((f = mono_file_map_open (symfile->filename))) {
g_warning ("stat of %s failed: %s",
symfile->filename, g_strerror (errno));
} else {
- symfile->raw_contents = mono_file_map (symfile->raw_contents_size, MONO_MMAP_READ|MONO_MMAP_PRIVATE, mono_file_map_fd (f), 0, &symfile->raw_contents_handle);
+ symfile->raw_contents = (const unsigned char *)mono_file_map (symfile->raw_contents_size, MONO_MMAP_READ|MONO_MMAP_PRIVATE, mono_file_map_fd (f), 0, &symfile->raw_contents_handle);
}
mono_file_map_close (f);
return symfile;
}
+/**
+ * mono_debug_close_mono_symbol_file:
+ */
void
mono_debug_close_mono_symbol_file (MonoSymbolFile *symfile)
{
mono_debugger_unlock ();
}
+/**
+ * mono_debug_symfile_is_loaded:
+ */
mono_bool
mono_debug_symfile_is_loaded (MonoSymbolFile *symfile)
{
return symfile && symfile->offset_table;
}
-
static int
read_leb128 (const uint8_t *ptr, const uint8_t **rptr)
{
/**
* mono_debug_symfile_lookup_location:
- * @minfo: A `MonoDebugMethodInfo' which can be retrieved by
- * mono_debug_lookup_method().
- * @offset: IL offset within the corresponding method's CIL code.
+ * \param minfo A \c MonoDebugMethodInfo which can be retrieved by \c mono_debug_lookup_method.
+ * \param offset IL offset within the corresponding method's CIL code.
*
- * This function is similar to mono_debug_lookup_location(), but we
+ * This function is similar to \c mono_debug_lookup_location, but we
* already looked up the method and also already did the
- * `native address -> IL offset' mapping.
+ * native address -> IL offset mapping.
*/
MonoDebugSourceLocation *
mono_debug_symfile_lookup_location (MonoDebugMethodInfo *minfo, uint32_t offset)
stm->first_file = stm->file;
}
-/*
+/**
* mono_debug_symfile_free_location:
*
- * Free a MonoDebugSourceLocation returned by
- * mono_debug_symfile_lookup_location
+ * Free a \c MonoDebugSourceLocation returned by
+ * \c mono_debug_symfile_lookup_location
*/
void
-mono_debug_symfile_free_location (MonoDebugSourceLocation *location)
+mono_debug_symfile_free_location (MonoDebugSourceLocation *location)
{
g_free (location->source_file);
g_free (location);
{
MonoDebugSourceInfo *info;
- info = g_hash_table_lookup (symfile->source_hash, GUINT_TO_POINTER (index));
+ info = (MonoDebugSourceInfo *)g_hash_table_lookup (symfile->source_hash, GUINT_TO_POINTER (index));
if (!info) {
int offset = read32(&(symfile->offset_table->_source_table_offset)) +
(index - 1) * sizeof (MonoSymbolFileSourceEntry);
info = g_new0 (MonoDebugSourceInfo, 1);
info->source_file = read_string (ptr, &ptr);
- info->guid = g_malloc0 (16);
+ info->guid = (guint8 *)g_malloc0 (16);
memcpy (info->guid, ptr, 16);
ptr += 16;
- info->hash = g_malloc0 (16);
+ info->hash = (guint8 *)g_malloc0 (16);
memcpy (info->hash, ptr, 16);
ptr += 16;
g_hash_table_insert (symfile->source_hash, GUINT_TO_POINTER (index), info);
guint32 flags;
if ((symfile = minfo->handle->symfile) == NULL)
- return FALSE;
+ return (LineNumberTableFlags)0;
ptr = symfile->raw_contents + minfo->data_offset;
read_leb128 (ptr, &ptr);
flags = read_leb128 (ptr, &ptr);
- return flags;
+ return (LineNumberTableFlags)flags;
}
/*
- * mono_debug_symfile_get_line_numbers_full:
+ * mono_debug_symfile_get_seq_points:
*
* On return, SOURCE_FILE_LIST will point to a GPtrArray of MonoDebugSourceFile
* structures, and SOURCE_FILES will contain indexes into this array.
* The MonoDebugSourceFile structures are owned by this module.
*/
void
-mono_debug_symfile_get_line_numbers_full (MonoDebugMethodInfo *minfo, char **source_file, GPtrArray **source_file_list, int *n_il_offsets, int **il_offsets, int **line_numbers, int **column_numbers, int **source_files, int **end_line_numbers, int **end_column_numbers)
+mono_debug_symfile_get_seq_points (MonoDebugMethodInfo *minfo, char **source_file, GPtrArray **source_file_list, int **source_files, MonoSymSeqPoint **seq_points, int *n_seq_points)
{
// FIXME: Unify this with mono_debug_symfile_lookup_location
MonoSymbolFile *symfile;
const unsigned char *ptr;
StatementMachine stm;
- uint32_t i, j;
+ uint32_t i, j, n;
LineNumberTableFlags flags;
GPtrArray *il_offset_array, *line_number_array, *source_file_array, *hidden_array;
gboolean has_column_info, has_end_info;
- gboolean column_info_read = FALSE;
+ MonoSymSeqPoint *sps;
if (source_file_list)
*source_file_list = NULL;
- if (n_il_offsets)
- *n_il_offsets = 0;
- if (il_offsets)
- *il_offsets = NULL;
+ if (seq_points)
+ *seq_points = NULL;
+ if (n_seq_points)
+ *n_seq_points = 0;
if (source_files)
*source_files = NULL;
if (source_file)
*source_file = NULL;
- if (line_numbers)
- *line_numbers = NULL;
- if (column_numbers)
- *column_numbers = NULL;
- if (end_line_numbers)
- *end_line_numbers = NULL;
- if (end_column_numbers)
- *end_column_numbers = NULL;
if ((symfile = minfo->handle->symfile) == NULL)
return;
*source_file_list = g_ptr_array_new ();
if (source_files)
- *source_files = g_malloc (il_offset_array->len * sizeof (int));
+ *source_files = (int *)g_malloc (il_offset_array->len * sizeof (int));
for (i = 0; i < il_offset_array->len; ++i) {
file = GPOINTER_TO_UINT (g_ptr_array_index (source_file_array, i));
if (source_files)
(*source_files) [i] = (*source_file_list)->len - 1;
}
- if ((*source_file_list)->len == 0 && stm.file) {
- MonoDebugSourceInfo *info = get_source_info (symfile, stm.file);
-
- g_ptr_array_add (*source_file_list, info);
- }
}
- if (n_il_offsets) {
- *n_il_offsets = il_offset_array->len;
+ if (n_seq_points) {
+ g_assert (seq_points);
+
+ n = il_offset_array->len;
for (i = 0; i < il_offset_array->len; i++) {
if (GPOINTER_TO_UINT (g_ptr_array_index (hidden_array, i))) {
- (*n_il_offsets)--;
- }
- }
- }
- if (il_offsets && line_numbers) {
- *il_offsets = g_malloc (*n_il_offsets * sizeof (int));
- *line_numbers = g_malloc (*n_il_offsets * sizeof (int));
- j = 0;
- for (i = 0; i < il_offset_array->len; ++i) {
- if (!GPOINTER_TO_UINT (g_ptr_array_index (hidden_array, i))) {
- (*il_offsets)[j] = GPOINTER_TO_UINT (g_ptr_array_index (il_offset_array, i));
- (*line_numbers)[j] = GPOINTER_TO_UINT (g_ptr_array_index (line_number_array, i));
- j++;
+ n --;
}
}
- }
- if (column_numbers && has_column_info) {
- column_info_read = TRUE;
- *column_numbers = g_malloc (*n_il_offsets * sizeof (int));
+ *n_seq_points = n;
+ *seq_points = sps = g_new0 (MonoSymSeqPoint, n);
j = 0;
for (i = 0; i < il_offset_array->len; ++i) {
- int column = read_leb128 (ptr, &ptr);
+ MonoSymSeqPoint *sp = &(sps [j]);
if (!GPOINTER_TO_UINT (g_ptr_array_index (hidden_array, i))) {
- (*column_numbers) [j] = column;
- j++;
+ sp->il_offset = GPOINTER_TO_UINT (g_ptr_array_index (il_offset_array, i));
+ sp->line = GPOINTER_TO_UINT (g_ptr_array_index (line_number_array, i));
+ sp->column = -1;
+ sp->end_line = -1;
+ sp->end_column = -1;
+ j ++;
}
}
- }
- if (has_end_info && end_line_numbers) {
- g_assert (end_column_numbers);
- *end_line_numbers = g_malloc (*n_il_offsets * sizeof (int));
- *end_column_numbers = g_malloc (*n_il_offsets * sizeof (int));
- if (has_column_info && !column_info_read) {
- for (i = 0; i < il_offset_array->len; ++i)
- read_leb128 (ptr, &ptr);
- }
- j = 0;
- for (i = 0; i < il_offset_array->len; ++i) {
- int end_row, end_column = -1;
-
- end_row = read_leb128 (ptr, &ptr);
- if (end_row != 0xffffff) {
- end_row += GPOINTER_TO_UINT (g_ptr_array_index (line_number_array, i));
- end_column = read_leb128 (ptr, &ptr);
+ if (has_column_info) {
+ j = 0;
+ for (i = 0; i < il_offset_array->len; ++i) {
+ MonoSymSeqPoint *sp = &(sps [j]);
+ int column = read_leb128 (ptr, &ptr);
if (!GPOINTER_TO_UINT (g_ptr_array_index (hidden_array, i))) {
- (*end_line_numbers)[j] = end_row;
- (*end_column_numbers)[j] = end_column;
+ sp->column = column;
j++;
}
}
}
+
+ if (has_end_info) {
+ j = 0;
+ for (i = 0; i < il_offset_array->len; ++i) {
+ MonoSymSeqPoint *sp = &(sps [j]);
+ int end_row, end_column = -1;
+
+ end_row = read_leb128 (ptr, &ptr);
+ if (end_row != 0xffffff) {
+ end_row += GPOINTER_TO_UINT (g_ptr_array_index (line_number_array, i));
+ end_column = read_leb128 (ptr, &ptr);
+ if (!GPOINTER_TO_UINT (g_ptr_array_index (hidden_array, i))) {
+ sp->end_line = end_row;
+ sp->end_column = end_column;
+ j++;
+ }
+ }
+ }
+ }
}
g_ptr_array_free (il_offset_array, TRUE);
return;
}
-/*
- * mono_debug_symfile_get_line_numbers:
- *
- * All the output parameters can be NULL.
- */
-void
-mono_debug_symfile_get_line_numbers (MonoDebugMethodInfo *minfo, char **source_file, int *n_il_offsets, int **il_offsets, int **line_numbers)
-{
- mono_debug_symfile_get_line_numbers_full (minfo, source_file, NULL, n_il_offsets, il_offsets, line_numbers, NULL, NULL, NULL, NULL);
-}
-
static int
compare_method (const void *key, const void *object)
{
return token - read32(&(me->_token));
}
+/**
+ * mono_debug_symfile_lookup_method:
+ */
MonoDebugMethodInfo *
mono_debug_symfile_lookup_method (MonoDebugHandle *handle, MonoMethod *method)
{
mono_debugger_lock ();
- minfo = g_hash_table_lookup (symfile->method_hash, method);
+ minfo = (MonoDebugMethodInfo *)g_hash_table_lookup (symfile->method_hash, method);
if (minfo) {
mono_debugger_unlock ();
return minfo;
first_ie = (MonoSymbolFileMethodEntry *)
(symfile->raw_contents + read32(&(symfile->offset_table->_method_table_offset)));
- ie = mono_binary_search (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
+ ie = (MonoSymbolFileMethodEntry *)mono_binary_search (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
read32(&(symfile->offset_table->_method_count)),
sizeof (MonoSymbolFileMethodEntry), compare_method);
return minfo;
}
-/*
+/**
* mono_debug_symfile_lookup_locals:
*
- * Return information about the local variables of MINFO from the symbol file.
+ * Return information about the local variables of \p minfo from the symbol file.
* Return NULL if no information can be found.
- * The result should be freed using mono_debug_symfile_free_locals ().
+ * The result should be freed using \c mono_debug_symfile_free_locals.
*/
MonoDebugLocalsInfo*
mono_debug_symfile_lookup_locals (MonoDebugMethodInfo *minfo)
for (i = 0; i < num_locals; ++i) {
res->locals [i].index = read_leb128 (p, &p);
len = read_leb128 (p, &p);
- res->locals [i].name = g_malloc (len + 1);
+ res->locals [i].name = (char *)g_malloc (len + 1);
memcpy (res->locals [i].name, p, len);
res->locals [i].name [len] = '\0';
p += len;
return res;
}
-/*
- * mono_debug_symfile_free_locals:
- *
- * Free all the data allocated by mono_debug_symfile_lookup_locals ().
- */
+#else /* DISABLE_MDB */
+
+MonoSymbolFile *
+mono_debug_open_mono_symbols (MonoDebugHandle *handle, const uint8_t *raw_contents,
+ int size, gboolean in_the_debugger)
+{
+ return NULL;
+}
+
+void
+mono_debug_close_mono_symbol_file (MonoSymbolFile *symfile)
+{
+}
+
+mono_bool
+mono_debug_symfile_is_loaded (MonoSymbolFile *symfile)
+{
+ return FALSE;
+}
+
+MonoDebugMethodInfo *
+mono_debug_symfile_lookup_method (MonoDebugHandle *handle, MonoMethod *method)
+{
+ return NULL;
+}
+
void
-mono_debug_symfile_free_locals (MonoDebugLocalsInfo *info)
+mono_debug_symfile_get_seq_points (MonoDebugMethodInfo *minfo, char **source_file, GPtrArray **source_file_list, int **source_files, MonoSymSeqPoint **seq_points, int *n_seq_points)
+{
+ g_assert_not_reached ();
+}
+
+MonoDebugSourceLocation *
+mono_debug_symfile_lookup_location (MonoDebugMethodInfo *minfo, uint32_t offset)
+{
+ return NULL;
+}
+
+MonoDebugLocalsInfo*
+mono_debug_symfile_lookup_locals (MonoDebugMethodInfo *minfo)
{
- int i;
+ return NULL;
+}
- for (i = 0; i < info->num_locals; ++i)
- g_free (info->locals [i].name);
- g_free (info->locals);
- g_free (info->code_blocks);
- g_free (info);
+void
+mono_debug_symfile_free_location (MonoDebugSourceLocation *location)
+{
}
+
+#endif