* 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)
*/
#include <config.h>
#include <mono/metadata/metadata-internals.h>
#include <mono/metadata/class-internals.h>
#include <mono/utils/mono-mmap.h>
+#include <mono/utils/bsearch.h>
#include <fcntl.h>
#ifdef HAVE_UNISTD_H
#define TYPE_TABLE_PTR_CHUNK_SIZE 256
#define TYPE_TABLE_CHUNK_SIZE 65536
+struct _MonoSymbolFile {
+ const uint8_t *raw_contents;
+ int raw_contents_size;
+ void *raw_contents_handle;
+ int major_version;
+ int minor_version;
+ char *filename;
+ GHashTable *method_hash;
+ GHashTable *source_hash;
+ MonoSymbolFileOffsetTable *offset_table;
+ gboolean was_loaded_from_memory;
+};
+
static void
free_method_info (MonoDebugMethodInfo *minfo)
{
g_free (minfo);
}
+static void
+free_source_info (MonoDebugSourceInfo *sinfo)
+{
+ g_free (sinfo->source_file);
+ g_free (sinfo->guid);
+ g_free (sinfo->hash);
+ g_free (sinfo);
+}
+
static int
-load_symfile (MonoDebugHandle *handle, MonoSymbolFile *symfile, gboolean in_the_debugger)
+load_symfile (MonoDebugHandle *handle, MonoSymbolFile *symfile, mono_bool in_the_debugger)
{
const char *ptr, *start;
gchar *guid;
- guint64 magic;
+ uint64_t magic;
int minor, major;
ptr = start = (const char*)symfile->raw_contents;
return FALSE;
magic = read64(ptr);
- ptr += sizeof(guint64);
+ ptr += sizeof(uint64_t);
if (magic != MONO_SYMBOL_FILE_MAGIC) {
if (!in_the_debugger)
g_warning ("Symbol file %s is not a mono symbol file", symfile->filename);
}
major = read32(ptr);
- ptr += sizeof(guint32);
+ ptr += sizeof(uint32_t);
minor = read32(ptr);
- ptr += sizeof(guint32);
+ ptr += sizeof(uint32_t);
/*
* 50.0 is the frozen version for Mono 2.0.
return FALSE;
}
- guid = mono_guid_to_string ((const guint8 *) ptr);
+ guid = mono_guid_to_string ((const uint8_t *) ptr);
ptr += 16;
if (strcmp (handle->image->guid, guid)) {
symfile->offset_table = (MonoSymbolFileOffsetTable *) ptr;
symfile->method_hash = g_hash_table_new_full (
- g_direct_hash, g_direct_equal, NULL, (GDestroyNotify) free_method_info);
+ NULL, NULL, NULL, (GDestroyNotify) free_method_info);
+
+ symfile->source_hash = g_hash_table_new_full (
+ NULL, NULL, NULL, (GDestroyNotify) free_source_info);
g_free (guid);
return TRUE;
}
MonoSymbolFile *
-mono_debug_open_mono_symbols (MonoDebugHandle *handle, const guint8 *raw_contents,
+mono_debug_open_mono_symbols (MonoDebugHandle *handle, const uint8_t *raw_contents,
int size, gboolean in_the_debugger)
{
MonoSymbolFile *symfile;
mono_debugger_unlock ();
}
+mono_bool
+mono_debug_symfile_is_loaded (MonoSymbolFile *symfile)
+{
+ return symfile && symfile->offset_table;
+}
+
+
static int
-read_leb128 (const guint8 *ptr, const guint8 **rptr)
+read_leb128 (const uint8_t *ptr, const uint8_t **rptr)
{
int ret = 0;
int shift = 0;
}
static gchar *
-read_string (const guint8 *ptr)
+read_string (const uint8_t *ptr, const uint8_t **endp)
{
+ gchar *s;
int len = read_leb128 (ptr, &ptr);
- return g_filename_from_utf8 ((const char *) ptr, len, NULL, NULL, NULL);
+
+ s = g_filename_from_utf8 ((const char *) ptr, len, NULL, NULL, NULL);
+ ptr += len;
+ if (endp)
+ *endp = ptr;
+ return s;
}
typedef struct {
MonoSymbolFile *symfile;
int line_base, line_range, max_address_incr;
- guint8 opcode_base;
- guint32 last_line, last_file, last_offset;
- guint32 first_file;
+ uint8_t opcode_base;
+ uint32_t last_line, last_file, last_offset;
+ uint32_t first_file;
int line, file, offset;
gboolean is_hidden;
} StatementMachine;
MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *)
(stm->symfile->raw_contents + offset);
- source_file = read_string (stm->symfile->raw_contents + read32(&(se->_data_offset)));
+ source_file = read_string (stm->symfile->raw_contents + read32(&(se->_data_offset)), NULL);
}
if (stm->last_line == 0) {
* `native address -> IL offset' mapping.
*/
MonoDebugSourceLocation *
-mono_debug_symfile_lookup_location (MonoDebugMethodInfo *minfo, guint32 offset)
+mono_debug_symfile_lookup_location (MonoDebugMethodInfo *minfo, uint32_t offset)
{
MonoDebugSourceLocation *location = NULL;
MonoSymbolFile *symfile;
stm.line_base = read32 (&symfile->offset_table->_line_number_table_line_base);
stm.line_range = read32 (&symfile->offset_table->_line_number_table_line_range);
- stm.opcode_base = (guint8) read32 (&symfile->offset_table->_line_number_table_opcode_base);
+ stm.opcode_base = (uint8_t) read32 (&symfile->offset_table->_line_number_table_opcode_base);
stm.max_address_incr = (255 - stm.opcode_base) / stm.line_range;
mono_debugger_lock ();
stm.is_hidden = FALSE;
while (TRUE) {
- guint8 opcode = *ptr++;
+ uint8_t opcode = *ptr++;
if (opcode == 0) {
- guint8 size = *ptr++;
+ uint8_t size = *ptr++;
const unsigned char *end_ptr = ptr + size;
opcode = *ptr++;
}
static void
-add_line (StatementMachine *stm, GPtrArray *il_offset_array, GPtrArray *line_number_array)
+add_line (StatementMachine *stm, GPtrArray *il_offset_array, GPtrArray *line_number_array, GPtrArray *source_file_array)
{
if (stm->line > 0) {
g_ptr_array_add (il_offset_array, GUINT_TO_POINTER (stm->offset));
g_ptr_array_add (line_number_array, GUINT_TO_POINTER (stm->line));
+ g_ptr_array_add (source_file_array, GUINT_TO_POINTER (stm->file));
}
if (!stm->is_hidden && !stm->first_file)
}
/*
- * mono_debug_symfile_get_line_numbers:
+ * LOCKING: Assumes the debugger lock is held.
+ */
+static MonoDebugSourceInfo*
+get_source_info (MonoSymbolFile *symfile, int index)
+{
+ MonoDebugSourceInfo *info;
+
+ info = 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);
+ MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *)
+ (symfile->raw_contents + offset);
+ const uint8_t *ptr = symfile->raw_contents + read32(&(se->_data_offset));
+
+ info = g_new0 (MonoDebugSourceInfo, 1);
+ info->source_file = read_string (ptr, &ptr);
+ info->guid = g_malloc0 (16);
+ memcpy (info->guid, ptr, 16);
+ ptr += 16;
+ info->hash = g_malloc0 (16);
+ memcpy (info->hash, ptr, 16);
+ ptr += 16;
+ g_hash_table_insert (symfile->source_hash, GUINT_TO_POINTER (index), info);
+ }
+ return info;
+}
+
+static gboolean
+method_has_column_info (MonoDebugMethodInfo *minfo)
+{
+ MonoSymbolFile *symfile;
+ const unsigned char *ptr;
+ guint32 flags;
+
+ if ((symfile = minfo->handle->symfile) == NULL)
+ return FALSE;
+
+ ptr = symfile->raw_contents + minfo->data_offset;
+
+ /* Has to read 'flags' which is preceeded by a bunch of other data */
+ /* compile_unit_index */
+ read_leb128 (ptr, &ptr);
+ /* local variable table offset */
+ read_leb128 (ptr, &ptr);
+ /* namespace id */
+ read_leb128 (ptr, &ptr);
+ /* code block table offset */
+ read_leb128 (ptr, &ptr);
+ /* scope variable table offset */
+ read_leb128 (ptr, &ptr);
+ /* real name offset */
+ read_leb128 (ptr, &ptr);
+
+ flags = read_leb128 (ptr, &ptr);
+ return (flags & 2) > 0;
+}
+
+/*
+ * mono_debug_symfile_get_line_numbers_full:
*
- * All the output parameters can be NULL.
- */
+ * 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 (MonoDebugMethodInfo *minfo, char **source_file, int *n_il_offsets, int **il_offsets, int **line_numbers)
+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)
{
// FIXME: Unify this with mono_debug_symfile_lookup_location
MonoSymbolFile *symfile;
const unsigned char *ptr;
StatementMachine stm;
- guint32 i;
- GPtrArray *il_offset_array, *line_number_array;
+ uint32_t i;
+ GPtrArray *il_offset_array, *line_number_array, *source_file_array;
+ gboolean has_column_info;
- if (source_file)
- *source_file = NULL;
+ if (source_file_list)
+ *source_file_list = NULL;
if (n_il_offsets)
*n_il_offsets = 0;
+ if (source_files)
+ *source_files = NULL;
+ if (source_file)
+ *source_file = NULL;
+ if (column_numbers)
+ *column_numbers = NULL;
if ((symfile = minfo->handle->symfile) == NULL)
return;
+ has_column_info = method_has_column_info (minfo);
+
il_offset_array = g_ptr_array_new ();
line_number_array = g_ptr_array_new ();
+ source_file_array = g_ptr_array_new ();
stm.line_base = read32 (&symfile->offset_table->_line_number_table_line_base);
stm.line_range = read32 (&symfile->offset_table->_line_number_table_line_range);
- stm.opcode_base = (guint8) read32 (&symfile->offset_table->_line_number_table_opcode_base);
+ stm.opcode_base = (uint8_t) read32 (&symfile->offset_table->_line_number_table_opcode_base);
stm.max_address_incr = (255 - stm.opcode_base) / stm.line_range;
mono_debugger_lock ();
stm.is_hidden = FALSE;
while (TRUE) {
- guint8 opcode = *ptr++;
+ uint8_t opcode = *ptr++;
if (opcode == 0) {
- guint8 size = *ptr++;
+ uint8_t size = *ptr++;
const unsigned char *end_ptr = ptr + size;
opcode = *ptr++;
if (opcode == DW_LNE_end_sequence) {
- add_line (&stm, il_offset_array, line_number_array);
+ if (il_offset_array->len == 0)
+ /* Empty table */
+ break;
+ add_line (&stm, il_offset_array, line_number_array, source_file_array);
break;
} else if (opcode == DW_LNE_MONO_negate_is_hidden) {
stm.is_hidden = !stm.is_hidden;
} else if (opcode < stm.opcode_base) {
switch (opcode) {
case DW_LNS_copy:
- add_line (&stm, il_offset_array, line_number_array);
+ add_line (&stm, il_offset_array, line_number_array, source_file_array);
break;
case DW_LNS_advance_pc:
stm.offset += read_leb128 (ptr, &ptr);
stm.offset += opcode / stm.line_range;
stm.line += stm.line_base + (opcode % stm.line_range);
- add_line (&stm, il_offset_array, line_number_array);
+ add_line (&stm, il_offset_array, line_number_array, source_file_array);
}
}
if (!stm.file && stm.first_file)
stm.file = stm.first_file;
- if (stm.file) {
+ if (stm.file && source_file) {
int offset = read32(&(stm.symfile->offset_table->_source_table_offset)) +
(stm.file - 1) * sizeof (MonoSymbolFileSourceEntry);
MonoSymbolFileSourceEntry *se = (MonoSymbolFileSourceEntry *)
(stm.symfile->raw_contents + offset);
if (source_file)
- *source_file = read_string (stm.symfile->raw_contents + read32(&(se->_data_offset)));
+ *source_file = read_string (stm.symfile->raw_contents + read32(&(se->_data_offset)), NULL);
}
+ if (source_file_list) {
+ int file, last_file = 0;
+
+ *source_file_list = g_ptr_array_new ();
+ if (source_files)
+ *source_files = 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 (file && file != last_file) {
+ MonoDebugSourceInfo *info = get_source_info (symfile, file);
+
+ g_ptr_array_add (*source_file_list, info);
+ }
+ last_file = file;
+ 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 (il_offsets && line_numbers) {
(*line_numbers) [i] = GPOINTER_TO_UINT (g_ptr_array_index (line_number_array, i));
}
}
+
+ if (column_numbers && has_column_info) {
+ *column_numbers = g_malloc (il_offset_array->len * sizeof (int));
+ for (i = 0; i < il_offset_array->len; ++i)
+ (*column_numbers) [i] = read_leb128 (ptr, &ptr);
+ }
+
g_ptr_array_free (il_offset_array, TRUE);
g_ptr_array_free (line_number_array, TRUE);
return;
}
-gint32
-_mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, guint32 il_offset)
+/*
+ * 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);
+}
+
+int32_t
+_mono_debug_address_from_il_offset (MonoDebugMethodJitInfo *jit, uint32_t il_offset)
{
int i;
for (i = jit->num_line_numbers - 1; i >= 0; i--) {
MonoDebugLineNumberEntry lne = jit->line_numbers [i];
- if (lne.il_offset < 0)
- continue;
if (lne.il_offset <= il_offset)
return lne.native_offset;
}
static int
compare_method (const void *key, const void *object)
{
- guint32 token = GPOINTER_TO_UINT (key);
+ uint32_t token = GPOINTER_TO_UINT (key);
MonoSymbolFileMethodEntry *me = (MonoSymbolFileMethodEntry*)object;
return token - read32(&(me->_token));
first_ie = (MonoSymbolFileMethodEntry *)
(symfile->raw_contents + read32(&(symfile->offset_table->_method_table_offset)));
- ie = bsearch (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
+ ie = mono_binary_search (GUINT_TO_POINTER (mono_method_get_token (method)), first_ie,
read32(&(symfile->offset_table->_method_count)),
sizeof (MonoSymbolFileMethodEntry), compare_method);
mono_debug_symfile_lookup_locals (MonoDebugMethodInfo *minfo)
{
MonoSymbolFile *symfile = minfo->handle->symfile;
- const guint8 *p;
+ const uint8_t *p;
int i, len, compile_unit_index, locals_offset, num_locals, block_index;
int namespace_id, code_block_table_offset;
MonoDebugLocalsInfo *res;
projects / mono.git / blobdiff