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;
}
MonoDebugMethodAddress *
mono_debug_add_method (MonoMethod *method, MonoDebugMethodJitInfo *jit, MonoDomain *domain)
{
MonoMethod *declaring;
MonoDebugDataTable *table;
MonoDebugMethodHeader *header;
MonoDebugMethodAddress *address;
MonoDebugMethodInfo *minfo;
MonoDebugHandle *handle;
guint8 buffer [BUFSIZ];
guint8 *ptr, *oldptr;
guint32 i, size, total_size, max_size;
gboolean is_wrapper = FALSE;
mono_debugger_lock ();
table = lookup_data_table (domain);
handle = _mono_debug_get_image (method->klass->image);
minfo = _mono_debug_lookup_method (method);
if (!minfo || (method->iflags & METHOD_IMPL_ATTRIBUTE_INTERNAL_CALL) ||
(method->iflags & METHOD_IMPL_ATTRIBUTE_RUNTIME) ||
(method->flags & METHOD_ATTRIBUTE_PINVOKE_IMPL) ||
(method->flags & METHOD_ATTRIBUTE_ABSTRACT) ||
(method->wrapper_type != MONO_WRAPPER_NONE)) {
is_wrapper = TRUE;
}
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 = 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);
}
*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);
size = ptr - oldptr;
g_assert (size < max_size);
total_size = size + sizeof (MonoDebugMethodAddress);
address = (MonoDebugMethodAddress *) allocate_data_item (
table, MONO_DEBUG_DATA_ITEM_METHOD, total_size);
address->header.size = total_size;
address->header.symfile_id = handle ? handle->index : 0;
address->header.domain_id = mono_domain_get_id (domain);
address->header.method_id = is_wrapper ? 0 : minfo->index;
address->header.method = method;
address->code_start = jit->code_start;
address->code_size = jit->code_size;
memcpy (&address->data, oldptr, size);
if (max_size > BUFSIZ)
g_free (oldptr);
declaring = method->is_inflated ? ((MonoMethodInflated *) method)->declaring : method;
header = g_hash_table_lookup (table->method_hash, declaring);
if (!header) {
header = &address->header;
g_hash_table_insert (table->method_hash, declaring, header);
if (is_wrapper) {
MonoDebugWrapperData *wrapper;
header->wrapper_data = wrapper = g_new0 (MonoDebugWrapperData, 1);
wrapper->wrapper_type = method->wrapper_type;
wrapper->method_name = mono_method_full_name (declaring, TRUE);
wrapper->obsolete_cil_code = "";
}
} else {
address->header.wrapper_data = header->wrapper_data;
header->address_list = g_slist_prepend (header->address_list, address);
}
g_hash_table_insert (table->method_address_hash, method, address);
write_data_item (table, (guint8 *) address);
mono_debugger_unlock ();
return address;
}
/**
* 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;
}