Permalink
Switch branches/tags
Find file
Fetching contributors…
Cannot retrieve contributors at this time
1112 lines (900 sloc) 25.6 KB
/**
* \file
*
* Author:
* Mono Project (http://www.mono-project.com)
*
* Copyright 2001-2003 Ximian, Inc (http://www.ximian.com)
* Copyright 2004-2009 Novell, Inc (http://www.novell.com)
* Copyright 2011 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/assembly.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/tokentype.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/class-internals.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/debug-internals.h>
#include <mono/metadata/mono-endian.h>
#include <mono/metadata/gc-internals.h>
#include <mono/metadata/mempool.h>
#include <mono/metadata/debug-mono-symfile.h>
#include <mono/metadata/debug-mono-ppdb.h>
#include <mono/metadata/exception-internals.h>
#include <mono/metadata/runtime.h>
#include <string.h>
#define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
#if NO_UNALIGNED_ACCESS
#define WRITE_UNALIGNED(type, addr, val) \
memcpy(addr, &val, sizeof(type))
#define READ_UNALIGNED(type, addr, val) \
memcpy(&val, addr, sizeof(type))
#else
#define WRITE_UNALIGNED(type, addr, val) \
(*(type *)(addr) = (val))
#define READ_UNALIGNED(type, addr, val) \
val = (*(type *)(addr))
#endif
/* This contains per-domain info */
struct _MonoDebugDataTable {
MonoMemPool *mp;
GHashTable *method_address_hash;
};
/* This contains JIT debugging information about a method in serialized format */
struct _MonoDebugMethodAddress {
const guint8 *code_start;
guint32 code_size;
guint8 data [MONO_ZERO_LEN_ARRAY];
};
static MonoDebugFormat mono_debug_format = MONO_DEBUG_FORMAT_NONE;
static gboolean mono_debug_initialized = FALSE;
/* Maps MonoImage -> MonoMonoDebugHandle */
static GHashTable *mono_debug_handles;
/* Maps MonoDomain -> MonoDataTable */
static GHashTable *data_table_hash;
static mono_mutex_t debugger_lock_mutex;
static gboolean is_attached = FALSE;
static MonoDebugHandle *mono_debug_open_image (MonoImage *image, const guint8 *raw_contents, int size);
static MonoDebugHandle *mono_debug_get_image (MonoImage *image);
static void mono_debug_add_assembly (MonoAssembly *assembly,
gpointer user_data);
static MonoDebugHandle *open_symfile_from_bundle (MonoImage *image);
static MonoDebugDataTable *
create_data_table (MonoDomain *domain)
{
MonoDebugDataTable *table;
table = g_new0 (MonoDebugDataTable, 1);
table->mp = mono_mempool_new ();
table->method_address_hash = g_hash_table_new (NULL, NULL);
if (domain)
g_hash_table_insert (data_table_hash, domain, table);
return table;
}
static void
free_data_table (MonoDebugDataTable *table)
{
mono_mempool_destroy (table->mp);
g_hash_table_destroy (table->method_address_hash);
g_free (table);
}
static MonoDebugDataTable *
lookup_data_table (MonoDomain *domain)
{
MonoDebugDataTable *table;
table = (MonoDebugDataTable *)g_hash_table_lookup (data_table_hash, domain);
if (!table) {
g_error ("lookup_data_table () failed for %p\n", domain);
g_assert (table);
}
return table;
}
static void
free_debug_handle (MonoDebugHandle *handle)
{
if (handle->ppdb)
mono_ppdb_close (handle);
if (handle->symfile)
mono_debug_close_mono_symbol_file (handle->symfile);
/* decrease the refcount added with mono_image_addref () */
mono_image_close (handle->image);
g_free (handle);
}
/*
* Initialize debugging support.
*
* This method must be called after loading corlib,
* but before opening the application's main assembly because we need to set some
* callbacks here.
*/
void
mono_debug_init (MonoDebugFormat format)
{
g_assert (!mono_debug_initialized);
if (format == MONO_DEBUG_FORMAT_DEBUGGER)
g_error ("The mdb debugger is no longer supported.");
mono_debug_initialized = TRUE;
mono_debug_format = format;
mono_os_mutex_init_recursive (&debugger_lock_mutex);
mono_debugger_lock ();
mono_debug_handles = g_hash_table_new_full
(NULL, NULL, NULL, (GDestroyNotify) free_debug_handle);
data_table_hash = g_hash_table_new_full (
NULL, NULL, NULL, (GDestroyNotify) free_data_table);
mono_install_assembly_load_hook (mono_debug_add_assembly, NULL);
mono_debugger_unlock ();
}
void
mono_debug_open_image_from_memory (MonoImage *image, const guint8 *raw_contents, int size)
{
if (!mono_debug_initialized)
return;
mono_debug_open_image (image, raw_contents, size);
}
void
mono_debug_cleanup (void)
{
if (mono_debug_handles)
g_hash_table_destroy (mono_debug_handles);
mono_debug_handles = NULL;
if (data_table_hash) {
g_hash_table_destroy (data_table_hash);
data_table_hash = NULL;
}
}
/**
* mono_debug_domain_create:
*/
void
mono_debug_domain_create (MonoDomain *domain)
{
if (!mono_debug_initialized)
return;
mono_debugger_lock ();
create_data_table (domain);
mono_debugger_unlock ();
}
void
mono_debug_domain_unload (MonoDomain *domain)
{
MonoDebugDataTable *table;
if (!mono_debug_initialized)
return;
mono_debugger_lock ();
table = (MonoDebugDataTable *)g_hash_table_lookup (data_table_hash, domain);
if (!table) {
g_warning (G_STRLOC ": unloading unknown domain %p / %d",
domain, mono_domain_get_id (domain));
mono_debugger_unlock ();
return;
}
g_hash_table_remove (data_table_hash, domain);
mono_debugger_unlock ();
}
/*
* LOCKING: Assumes the debug lock is held.
*/
static MonoDebugHandle *
mono_debug_get_image (MonoImage *image)
{
return (MonoDebugHandle *)g_hash_table_lookup (mono_debug_handles, image);
}
/**
* mono_debug_close_image:
*/
void
mono_debug_close_image (MonoImage *image)
{
MonoDebugHandle *handle;
if (!mono_debug_initialized)
return;
mono_debugger_lock ();
handle = mono_debug_get_image (image);
if (!handle) {
mono_debugger_unlock ();
return;
}
g_hash_table_remove (mono_debug_handles, image);
mono_debugger_unlock ();
}
static MonoDebugHandle *
mono_debug_open_image (MonoImage *image, const guint8 *raw_contents, int size)
{
MonoDebugHandle *handle;
if (mono_image_is_dynamic (image))
return NULL;
mono_debugger_lock ();
handle = mono_debug_get_image (image);
if (handle != NULL) {
mono_debugger_unlock ();
return handle;
}
handle = g_new0 (MonoDebugHandle, 1);
handle->image = image;
mono_image_addref (image);
/* Try a ppdb file first */
handle->ppdb = mono_ppdb_load_file (handle->image, raw_contents, size);
if (!handle->ppdb)
handle->symfile = mono_debug_open_mono_symbols (handle, raw_contents, size, FALSE);
g_hash_table_insert (mono_debug_handles, image, handle);
mono_debugger_unlock ();
return handle;
}
static void
mono_debug_add_assembly (MonoAssembly *assembly, gpointer user_data)
{
MonoDebugHandle *handle;
MonoImage *image;
mono_debugger_lock ();
image = mono_assembly_get_image (assembly);
handle = open_symfile_from_bundle (image);
if (!handle)
mono_debug_open_image (image, NULL, 0);
mono_debugger_unlock ();
}
struct LookupMethodData
{
MonoDebugMethodInfo *minfo;
MonoMethod *method;
};
static void
lookup_method_func (gpointer key, gpointer value, gpointer user_data)
{
MonoDebugHandle *handle = (MonoDebugHandle *) value;
struct LookupMethodData *data = (struct LookupMethodData *) user_data;
if (data->minfo)
return;
if (handle->ppdb)
data->minfo = mono_ppdb_lookup_method (handle, data->method);
else if (handle->symfile)
data->minfo = mono_debug_symfile_lookup_method (handle, data->method);
}
static MonoDebugMethodInfo *
mono_debug_lookup_method_internal (MonoMethod *method)
{
struct LookupMethodData data;
data.minfo = NULL;
data.method = method;
if (!mono_debug_handles)
return NULL;
g_hash_table_foreach (mono_debug_handles, lookup_method_func, &data);
return data.minfo;
}
/**
* mono_debug_lookup_method:
*
* Lookup symbol file information for the method \p method. The returned
* \c MonoDebugMethodInfo is a private structure, but it can be passed to
* \c mono_debug_symfile_lookup_location.
*/
MonoDebugMethodInfo *
mono_debug_lookup_method (MonoMethod *method)
{
MonoDebugMethodInfo *minfo;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
minfo = mono_debug_lookup_method_internal (method);
mono_debugger_unlock ();
return minfo;
}
typedef struct
{
gboolean found;
MonoImage *image;
} LookupImageData;
static void
lookup_image_func (gpointer key, gpointer value, gpointer user_data)
{
MonoDebugHandle *handle = (MonoDebugHandle *) value;
LookupImageData *data = (LookupImageData *) user_data;
if (data->found)
return;
if (handle->image == data->image && handle->symfile)
data->found = TRUE;
}
gboolean
mono_debug_image_has_debug_info (MonoImage *image)
{
LookupImageData data;
if (!mono_debug_handles)
return FALSE;
memset (&data, 0, sizeof (data));
data.image = image;
mono_debugger_lock ();
g_hash_table_foreach (mono_debug_handles, lookup_image_func, &data);
mono_debugger_unlock ();
return data.found;
}
static inline void
write_leb128 (guint32 value, guint8 *ptr, guint8 **rptr)
{
do {
guint8 byte = value & 0x7f;
value >>= 7;
if (value)
byte |= 0x80;
*ptr++ = byte;
} while (value);
*rptr = ptr;
}
static inline void
write_sleb128 (gint32 value, guint8 *ptr, guint8 **rptr)
{
gboolean more = 1;
while (more) {
guint8 byte = value & 0x7f;
value >>= 7;
if (((value == 0) && ((byte & 0x40) == 0)) || ((value == -1) && (byte & 0x40)))
more = 0;
else
byte |= 0x80;
*ptr++ = byte;
}
*rptr = ptr;
}
static void
write_variable (MonoDebugVarInfo *var, guint8 *ptr, guint8 **rptr)
{
write_leb128 (var->index, ptr, &ptr);
write_sleb128 (var->offset, ptr, &ptr);
write_leb128 (var->size, ptr, &ptr);
write_leb128 (var->begin_scope, ptr, &ptr);
write_leb128 (var->end_scope, ptr, &ptr);
WRITE_UNALIGNED (gpointer, ptr, var->type);
ptr += sizeof (gpointer);
*rptr = ptr;
}
/**
* mono_debug_add_method:
*/
MonoDebugMethodAddress *
mono_debug_add_method (MonoMethod *method, MonoDebugMethodJitInfo *jit, MonoDomain *domain)
{
MonoDebugDataTable *table;
MonoDebugMethodAddress *address;
guint8 buffer [BUFSIZ];
guint8 *ptr, *oldptr;
guint32 i, size, total_size, max_size;
mono_debugger_lock ();
table = lookup_data_table (domain);
max_size = (5 * 5) + 1 + (10 * jit->num_line_numbers) +
(25 + sizeof (gpointer)) * (1 + jit->num_params + jit->num_locals);
if (max_size > BUFSIZ)
ptr = oldptr = (guint8 *)g_malloc (max_size);
else
ptr = oldptr = buffer;
write_leb128 (jit->prologue_end, ptr, &ptr);
write_leb128 (jit->epilogue_begin, ptr, &ptr);
write_leb128 (jit->num_line_numbers, ptr, &ptr);
for (i = 0; i < jit->num_line_numbers; i++) {
MonoDebugLineNumberEntry *lne = &jit->line_numbers [i];
write_sleb128 (lne->il_offset, ptr, &ptr);
write_sleb128 (lne->native_offset, ptr, &ptr);
}
write_leb128 (jit->has_var_info, ptr, &ptr);
if (jit->has_var_info) {
*ptr++ = jit->this_var ? 1 : 0;
if (jit->this_var)
write_variable (jit->this_var, ptr, &ptr);
write_leb128 (jit->num_params, ptr, &ptr);
for (i = 0; i < jit->num_params; i++)
write_variable (&jit->params [i], ptr, &ptr);
write_leb128 (jit->num_locals, ptr, &ptr);
for (i = 0; i < jit->num_locals; i++)
write_variable (&jit->locals [i], ptr, &ptr);
*ptr++ = jit->gsharedvt_info_var ? 1 : 0;
if (jit->gsharedvt_info_var) {
write_variable (jit->gsharedvt_info_var, ptr, &ptr);
write_variable (jit->gsharedvt_locals_var, ptr, &ptr);
}
}
size = ptr - oldptr;
g_assert (size < max_size);
total_size = size + sizeof (MonoDebugMethodAddress);
if (method_is_dynamic (method)) {
address = (MonoDebugMethodAddress *)g_malloc0 (total_size);
} else {
address = (MonoDebugMethodAddress *)mono_mempool_alloc (table->mp, total_size);
}
address->code_start = jit->code_start;
address->code_size = jit->code_size;
memcpy (&address->data, oldptr, size);
if (max_size > BUFSIZ)
g_free (oldptr);
g_hash_table_insert (table->method_address_hash, method, address);
mono_debugger_unlock ();
return address;
}
void
mono_debug_remove_method (MonoMethod *method, MonoDomain *domain)
{
MonoDebugDataTable *table;
MonoDebugMethodAddress *address;
if (!mono_debug_initialized)
return;
g_assert (method_is_dynamic (method));
mono_debugger_lock ();
table = lookup_data_table (domain);
address = (MonoDebugMethodAddress *)g_hash_table_lookup (table->method_address_hash, method);
if (address)
g_free (address);
g_hash_table_remove (table->method_address_hash, method);
mono_debugger_unlock ();
}
/**
* mono_debug_add_delegate_trampoline:
*/
void
mono_debug_add_delegate_trampoline (gpointer code, int size)
{
}
static inline guint32
read_leb128 (guint8 *ptr, guint8 **rptr)
{
guint32 result = 0, shift = 0;
while (TRUE) {
guint8 byte = *ptr++;
result |= (byte & 0x7f) << shift;
if ((byte & 0x80) == 0)
break;
shift += 7;
}
*rptr = ptr;
return result;
}
static inline gint32
read_sleb128 (guint8 *ptr, guint8 **rptr)
{
gint32 result = 0;
guint32 shift = 0;
while (TRUE) {
guint8 byte = *ptr++;
result |= (byte & 0x7f) << shift;
shift += 7;
if (byte & 0x80)
continue;
if ((shift < 32) && (byte & 0x40))
result |= - (1 << shift);
break;
}
*rptr = ptr;
return result;
}
static void
read_variable (MonoDebugVarInfo *var, guint8 *ptr, guint8 **rptr)
{
var->index = read_leb128 (ptr, &ptr);
var->offset = read_sleb128 (ptr, &ptr);
var->size = read_leb128 (ptr, &ptr);
var->begin_scope = read_leb128 (ptr, &ptr);
var->end_scope = read_leb128 (ptr, &ptr);
READ_UNALIGNED (MonoType *, ptr, var->type);
ptr += sizeof (gpointer);
*rptr = ptr;
}
void
mono_debug_free_method_jit_info (MonoDebugMethodJitInfo *jit)
{
if (!jit)
return;
g_free (jit->line_numbers);
g_free (jit->this_var);
g_free (jit->params);
g_free (jit->locals);
g_free (jit->gsharedvt_info_var);
g_free (jit->gsharedvt_locals_var);
g_free (jit);
}
static MonoDebugMethodJitInfo *
mono_debug_read_method (MonoDebugMethodAddress *address)
{
MonoDebugMethodJitInfo *jit;
guint32 i;
guint8 *ptr;
jit = g_new0 (MonoDebugMethodJitInfo, 1);
jit->code_start = address->code_start;
jit->code_size = address->code_size;
ptr = (guint8 *) &address->data;
jit->prologue_end = read_leb128 (ptr, &ptr);
jit->epilogue_begin = read_leb128 (ptr, &ptr);
jit->num_line_numbers = read_leb128 (ptr, &ptr);
jit->line_numbers = g_new0 (MonoDebugLineNumberEntry, jit->num_line_numbers);
for (i = 0; i < jit->num_line_numbers; i++) {
MonoDebugLineNumberEntry *lne = &jit->line_numbers [i];
lne->il_offset = read_sleb128 (ptr, &ptr);
lne->native_offset = read_sleb128 (ptr, &ptr);
}
jit->has_var_info = read_leb128 (ptr, &ptr);
if (jit->has_var_info) {
if (*ptr++) {
jit->this_var = g_new0 (MonoDebugVarInfo, 1);
read_variable (jit->this_var, ptr, &ptr);
}
jit->num_params = read_leb128 (ptr, &ptr);
jit->params = g_new0 (MonoDebugVarInfo, jit->num_params);
for (i = 0; i < jit->num_params; i++)
read_variable (&jit->params [i], ptr, &ptr);
jit->num_locals = read_leb128 (ptr, &ptr);
jit->locals = g_new0 (MonoDebugVarInfo, jit->num_locals);
for (i = 0; i < jit->num_locals; i++)
read_variable (&jit->locals [i], ptr, &ptr);
if (*ptr++) {
jit->gsharedvt_info_var = g_new0 (MonoDebugVarInfo, 1);
jit->gsharedvt_locals_var = g_new0 (MonoDebugVarInfo, 1);
read_variable (jit->gsharedvt_info_var, ptr, &ptr);
read_variable (jit->gsharedvt_locals_var, ptr, &ptr);
}
}
return jit;
}
static MonoDebugMethodJitInfo *
find_method (MonoMethod *method, MonoDomain *domain)
{
MonoDebugDataTable *table;
MonoDebugMethodAddress *address;
table = lookup_data_table (domain);
address = (MonoDebugMethodAddress *)g_hash_table_lookup (table->method_address_hash, method);
if (!address)
return NULL;
return mono_debug_read_method (address);
}
MonoDebugMethodJitInfo *
mono_debug_find_method (MonoMethod *method, MonoDomain *domain)
{
MonoDebugMethodJitInfo *res;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
res = find_method (method, domain);
mono_debugger_unlock ();
return res;
}
MonoDebugMethodAddressList *
mono_debug_lookup_method_addresses (MonoMethod *method)
{
g_assert_not_reached ();
return NULL;
}
static gint32
il_offset_from_address (MonoMethod *method, MonoDomain *domain, guint32 native_offset)
{
MonoDebugMethodJitInfo *jit;
int i;
jit = find_method (method, domain);
if (!jit || !jit->line_numbers)
goto cleanup_and_fail;
for (i = jit->num_line_numbers - 1; i >= 0; i--) {
MonoDebugLineNumberEntry lne = jit->line_numbers [i];
if (lne.native_offset <= native_offset) {
mono_debug_free_method_jit_info (jit);
return lne.il_offset;
}
}
cleanup_and_fail:
mono_debug_free_method_jit_info (jit);
return -1;
}
/**
* mono_debug_il_offset_from_address:
*
* Compute the IL offset corresponding to \p native_offset inside the native
* code of \p method in \p domain.
*/
gint32
mono_debug_il_offset_from_address (MonoMethod *method, MonoDomain *domain, guint32 native_offset)
{
gint32 res;
mono_debugger_lock ();
res = il_offset_from_address (method, domain, native_offset);
mono_debugger_unlock ();
return res;
}
/**
* mono_debug_lookup_source_location:
* \param address Native offset within the \p method's machine code.
* Lookup the source code corresponding to the machine instruction located at
* native offset \p address within \p method.
* The returned \c MonoDebugSourceLocation contains both file / line number
* information and the corresponding IL offset. It must be freed by
* \c mono_debug_free_source_location.
*/
MonoDebugSourceLocation *
mono_debug_lookup_source_location (MonoMethod *method, guint32 address, MonoDomain *domain)
{
MonoDebugMethodInfo *minfo;
MonoDebugSourceLocation *location;
gint32 offset;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
minfo = mono_debug_lookup_method_internal (method);
if (!minfo || !minfo->handle) {
mono_debugger_unlock ();
return NULL;
}
if (!minfo->handle->ppdb && (!minfo->handle->symfile || !mono_debug_symfile_is_loaded (minfo->handle->symfile))) {
mono_debugger_unlock ();
return NULL;
}
offset = il_offset_from_address (method, domain, address);
if (offset < 0) {
mono_debugger_unlock ();
return NULL;
}
if (minfo->handle->ppdb)
location = mono_ppdb_lookup_location (minfo, offset);
else
location = mono_debug_symfile_lookup_location (minfo, offset);
mono_debugger_unlock ();
return location;
}
/**
* mono_debug_lookup_source_location_by_il:
*
* Same as mono_debug_lookup_source_location but take an IL_OFFSET argument.
*/
MonoDebugSourceLocation *
mono_debug_lookup_source_location_by_il (MonoMethod *method, guint32 il_offset, MonoDomain *domain)
{
MonoDebugMethodInfo *minfo;
MonoDebugSourceLocation *location;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
minfo = mono_debug_lookup_method_internal (method);
if (!minfo || !minfo->handle) {
mono_debugger_unlock ();
return NULL;
}
if (!minfo->handle->ppdb && (!minfo->handle->symfile || !mono_debug_symfile_is_loaded (minfo->handle->symfile))) {
mono_debugger_unlock ();
return NULL;
}
if (minfo->handle->ppdb)
location = mono_ppdb_lookup_location (minfo, il_offset);
else
location = mono_debug_symfile_lookup_location (minfo, il_offset);
mono_debugger_unlock ();
return location;
}
MonoDebugSourceLocation *
mono_debug_method_lookup_location (MonoDebugMethodInfo *minfo, int il_offset)
{
MonoDebugSourceLocation *location;
mono_debugger_lock ();
if (minfo->handle->ppdb)
location = mono_ppdb_lookup_location (minfo, il_offset);
else
location = mono_debug_symfile_lookup_location (minfo, il_offset);
mono_debugger_unlock ();
return location;
}
/*
* mono_debug_lookup_locals:
*
* Return information about the local variables of MINFO.
* The result should be freed using mono_debug_free_locals ().
*/
MonoDebugLocalsInfo*
mono_debug_lookup_locals (MonoMethod *method)
{
MonoDebugMethodInfo *minfo;
MonoDebugLocalsInfo *res;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
minfo = mono_debug_lookup_method_internal (method);
if (!minfo || !minfo->handle) {
mono_debugger_unlock ();
return NULL;
}
if (minfo->handle->ppdb) {
res = mono_ppdb_lookup_locals (minfo);
} else {
if (!minfo->handle->symfile || !mono_debug_symfile_is_loaded (minfo->handle->symfile))
res = NULL;
else
res = mono_debug_symfile_lookup_locals (minfo);
}
mono_debugger_unlock ();
return res;
}
/*
* mono_debug_free_locals:
*
* Free all the data allocated by mono_debug_lookup_locals ().
*/
void
mono_debug_free_locals (MonoDebugLocalsInfo *info)
{
int i;
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);
}
/*
* mono_debug_lookup_method_async_debug_info:
*
* Return information about the async stepping information of method.
* The result should be freed using mono_debug_free_async_debug_info ().
*/
MonoDebugMethodAsyncInfo*
mono_debug_lookup_method_async_debug_info (MonoMethod *method)
{
MonoDebugMethodInfo *minfo;
MonoDebugMethodAsyncInfo *res = NULL;
if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
return NULL;
mono_debugger_lock ();
minfo = mono_debug_lookup_method_internal (method);
if (!minfo || !minfo->handle) {
mono_debugger_unlock ();
return NULL;
}
if (minfo->handle->ppdb)
res = mono_ppdb_lookup_method_async_debug_info (minfo);
mono_debugger_unlock ();
return res;
}
/*
* mono_debug_free_method_async_debug_info:
*
* Free all the data allocated by mono_debug_lookup_method_async_debug_info ().
*/
void
mono_debug_free_method_async_debug_info (MonoDebugMethodAsyncInfo *info)
{
if (info->num_awaits) {
g_free (info->yield_offsets);
g_free (info->resume_offsets);
g_free (info->move_next_method_token);
}
g_free (info);
}
/**
* mono_debug_free_source_location:
* \param location A \c MonoDebugSourceLocation
* Frees the \p location.
*/
void
mono_debug_free_source_location (MonoDebugSourceLocation *location)
{
if (location) {
g_free (location->source_file);
g_free (location);
}
}
static int (*get_seq_point) (MonoDomain *domain, MonoMethod *method, gint32 native_offset);
void
mono_install_get_seq_point (MonoGetSeqPointFunc func)
{
get_seq_point = func;
}
/**
* mono_debug_print_stack_frame:
* \param native_offset Native offset within the \p method's machine code.
* Conventient wrapper around \c mono_debug_lookup_source_location which can be
* used if you only want to use the location to print a stack frame.
*/
gchar *
mono_debug_print_stack_frame (MonoMethod *method, guint32 native_offset, MonoDomain *domain)
{
MonoDebugSourceLocation *location;
gchar *fname, *ptr, *res;
int offset;
fname = mono_method_full_name (method, TRUE);
for (ptr = fname; *ptr; ptr++) {
if (*ptr == ':') *ptr = '.';
}
location = mono_debug_lookup_source_location (method, native_offset, domain);
if (!location) {
if (mono_debug_initialized) {
mono_debugger_lock ();
offset = il_offset_from_address (method, domain, native_offset);
mono_debugger_unlock ();
} else {
offset = -1;
}
if (offset < 0 && get_seq_point)
offset = get_seq_point (domain, method, native_offset);
if (offset < 0)
res = g_strdup_printf ("at %s <0x%05x>", fname, native_offset);
else {
char *mvid = mono_guid_to_string_minimal ((uint8_t*)method->klass->image->heap_guid.data);
char *aotid = mono_runtime_get_aotid ();
if (aotid)
res = g_strdup_printf ("at %s [0x%05x] in <%s#%s>:0" , fname, offset, mvid, aotid);
else
res = g_strdup_printf ("at %s [0x%05x] in <%s>:0" , fname, offset, mvid);
g_free (aotid);
g_free (mvid);
}
g_free (fname);
return res;
}
res = g_strdup_printf ("at %s [0x%05x] in %s:%d", fname, location->il_offset,
location->source_file, location->row);
g_free (fname);
mono_debug_free_source_location (location);
return res;
}
void
mono_set_is_debugger_attached (gboolean attached)
{
is_attached = attached;
}
gboolean
mono_is_debugger_attached (void)
{
return is_attached;
}
/*
* Bundles
*/
typedef struct _BundledSymfile BundledSymfile;
struct _BundledSymfile {
BundledSymfile *next;
const char *aname;
const mono_byte *raw_contents;
int size;
};
static BundledSymfile *bundled_symfiles = NULL;
/**
* mono_register_symfile_for_assembly:
*/
void
mono_register_symfile_for_assembly (const char *assembly_name, const mono_byte *raw_contents, int size)
{
BundledSymfile *bsymfile;
bsymfile = g_new0 (BundledSymfile, 1);
bsymfile->aname = assembly_name;
bsymfile->raw_contents = raw_contents;
bsymfile->size = size;
bsymfile->next = bundled_symfiles;
bundled_symfiles = bsymfile;
}
static MonoDebugHandle *
open_symfile_from_bundle (MonoImage *image)
{
BundledSymfile *bsymfile;
for (bsymfile = bundled_symfiles; bsymfile; bsymfile = bsymfile->next) {
if (strcmp (bsymfile->aname, image->module_name))
continue;
return mono_debug_open_image (image, bsymfile->raw_contents, bsymfile->size);
}
return NULL;
}
void
mono_debugger_lock (void)
{
g_assert (mono_debug_initialized);
mono_os_mutex_lock (&debugger_lock_mutex);
}
void
mono_debugger_unlock (void)
{
g_assert (mono_debug_initialized);
mono_os_mutex_unlock (&debugger_lock_mutex);
}
/**
* mono_debug_enabled:
*
* Returns true is debug information is enabled. This doesn't relate if a debugger is present or not.
*/
mono_bool
mono_debug_enabled (void)
{
return mono_debug_format != MONO_DEBUG_FORMAT_NONE;
}
void
mono_debug_get_seq_points (MonoDebugMethodInfo *minfo, char **source_file, GPtrArray **source_file_list, int **source_files, MonoSymSeqPoint **seq_points, int *n_seq_points)
{
if (minfo->handle->ppdb)
mono_ppdb_get_seq_points (minfo, source_file, source_file_list, source_files, seq_points, n_seq_points);
else
mono_debug_symfile_get_seq_points (minfo, source_file, source_file_list, source_files, seq_points, n_seq_points);
}