#include <mono/metadata/mono-config.h>
#include <mono/metadata/mono-debug.h>
#include <mono/metadata/appdomain.h>
+#include <mono/metadata/threads-types.h>
+
+#define _IN_THE_MONO_DEBUGGER
#include <mono/metadata/mono-debug-debugger.h>
+#include "debug-mini.h"
#ifdef HAVE_VALGRIND_H
#include <valgrind/valgrind.h>
#endif
+#ifdef MONO_DEBUGGER_SUPPORTED
+#include <libgc/include/libgc-mono-debugger.h>
+#endif
+
+typedef struct {
+ guint32 index;
+ MonoMethodDesc *desc;
+} MiniDebugBreakpointInfo;
+
typedef struct
{
MonoDebugMethodJitInfo *jit;
guint32 breakpoint_id;
} MiniDebugMethodInfo;
+struct _MonoDebuggerThreadInfo {
+ guint64 tid;
+ guint64 lmf_addr;
+ guint64 end_stack;
+
+ guint64 extended_notifications;
+
+ /* Next pointer. */
+ MonoDebuggerThreadInfo *next;
+
+ /*
+ * The stack bounds are only used when reading a core file.
+ */
+ guint64 stack_start;
+ guint64 signal_stack_start;
+ guint32 stack_size;
+ guint32 signal_stack_size;
+
+ /*
+ * The debugger doesn't access anything beyond this point.
+ */
+ MonoJitTlsData *jit_tls;
+ MonoThread *thread;
+};
+
+MonoDebuggerThreadInfo *mono_debugger_thread_table = NULL;
+
static inline void
record_line_number (MiniDebugMethodInfo *info, guint32 address, guint32 offset)
{
g_array_append_val (info->line_numbers, lne);
}
+
void
mono_debug_init_method (MonoCompile *cfg, MonoBasicBlock *start_block, guint32 breakpoint_id)
{
static void
write_variable (MonoInst *inst, MonoDebugVarInfo *var)
{
+ var->type = inst->inst_vtype;
+
if (inst->opcode == OP_REGVAR)
var->index = inst->dreg | MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER;
- else {
+ else if (inst->flags & MONO_INST_IS_DEAD) {
+ // FIXME:
+ var->index = 0 | MONO_DEBUG_VAR_ADDRESS_MODE_REGISTER;
+ } else {
/* the debug interface needs fixing to allow 0(%base) address */
var->index = inst->inst_basereg | MONO_DEBUG_VAR_ADDRESS_MODE_REGOFFSET;
var->offset = inst->inst_offset;
MonoDebugMethodJitInfo *jit;
MonoMethodHeader *header;
MonoMethodSignature *sig;
+ MonoDebugMethodAddress *debug_info;
MonoMethod *method;
int i;
jit->epilogue_begin = cfg->epilog_begin;
jit->code_size = cfg->code_len;
- record_line_number (info, jit->epilogue_begin, header->code_size);
+ if (jit->epilogue_begin)
+ record_line_number (info, jit->epilogue_begin, header->code_size);
jit->num_params = sig->param_count;
jit->params = g_new0 (MonoDebugVarInfo, jit->num_params);
for (i = 0; i < jit->num_locals; i++)
- write_variable (cfg->varinfo [cfg->locals_start + i], &jit->locals [i]);
+ write_variable (cfg->locals [i], &jit->locals [i]);
if (sig->hasthis) {
jit->this_var = g_new0 (MonoDebugVarInfo, 1);
- write_variable (cfg->varinfo [0], jit->this_var);
+ write_variable (cfg->args [0], jit->this_var);
}
for (i = 0; i < jit->num_params; i++)
- write_variable (cfg->varinfo [i + sig->hasthis], &jit->params [i]);
+ write_variable (cfg->args [i + sig->hasthis], &jit->params [i]);
jit->num_line_numbers = info->line_numbers->len;
jit->line_numbers = g_new0 (MonoDebugLineNumberEntry, jit->num_line_numbers);
for (i = 0; i < jit->num_line_numbers; i++)
jit->line_numbers [i] = g_array_index (info->line_numbers, MonoDebugLineNumberEntry, i);
- mono_debug_add_method (method, jit, cfg->domain);
+ debug_info = mono_debug_add_method (method, jit, cfg->domain);
mono_debug_add_vg_method (method, jit);
if (info->breakpoint_id)
mono_debugger_breakpoint_callback (method, info->breakpoint_id);
+ mono_debugger_check_breakpoints (method, debug_info);
+
mono_debug_free_method_jit_info (jit);
g_array_free (info->line_numbers, TRUE);
g_free (info);
void
mono_debug_serialize_debug_info (MonoCompile *cfg, guint8 **out_buf, guint32 *buf_len)
{
- MiniDebugMethodInfo *info;
MonoDebugMethodJitInfo *jit;
guint32 size, prev_offset, prev_native_offset;
guint8 *buf, *p;
int i;
- info = (MiniDebugMethodInfo *) cfg->debug_info;
- if (!info || !info->jit) {
+ /* Can't use cfg->debug_info as it is freed by close_method () */
+ jit = mono_debug_find_method (cfg->method, mono_domain_get ());
+ if (!jit) {
*buf_len = 0;
return;
}
- jit = info->jit;
size = ((jit->num_params + jit->num_locals + 1) * 10) + (jit->num_line_numbers * 10) + 64;
p = buf = g_malloc (size);
jit = deserialize_debug_info (method, code_start, debug_info, debug_info_len);
-#if 0
- jit = mono_debug_read_method ((MonoDebugMethodAddress *) debug_info);
- jit->code_start = code_start;
- jit->wrapper_addr = NULL;
-#endif
-
mono_debug_add_method (method, jit, domain);
mono_debug_add_vg_method (method, jit);
{
MonoDomain *domain = mono_domain_get ();
MonoJitInfo *ji = mono_jit_info_table_find (domain, ip);
- MonoDebugMethodInfo *minfo;
MonoDebugMethodJitInfo *jit;
int i;
if (!ji)
return;
- minfo = mono_debug_lookup_method (mono_jit_info_get_method (ji));
- if (!minfo)
- return;
-
- jit = mono_debug_find_method (minfo, domain);
+ jit = mono_debug_find_method (mono_jit_info_get_method (ji), domain);
if (!jit)
return;
+
if (only_arguments) {
char **names;
names = g_new (char *, jit->num_params);
print_var_info (&jit->locals [i], i, "", "Local");
}
}
+ mono_debug_free_method_jit_info (jit);
+}
+
+/*
+ * The old Debugger breakpoint interface.
+ *
+ * This interface is used to insert breakpoints on methods which are not yet JITed.
+ * The debugging code keeps a list of all such breakpoints and automatically inserts the
+ * breakpoint when the method is JITed.
+ */
+
+static GPtrArray *breakpoints = NULL;
+
+int
+mono_debugger_insert_breakpoint_full (MonoMethodDesc *desc)
+{
+ static int last_breakpoint_id = 0;
+ MiniDebugBreakpointInfo *info;
+
+ info = g_new0 (MiniDebugBreakpointInfo, 1);
+ info->desc = desc;
+ info->index = ++last_breakpoint_id;
+
+ if (!breakpoints)
+ breakpoints = g_ptr_array_new ();
+
+ g_ptr_array_add (breakpoints, info);
+
+ return info->index;
+}
+
+int
+mono_debugger_remove_breakpoint (int breakpoint_id)
+{
+ int i;
+
+ if (!breakpoints)
+ return 0;
+
+ for (i = 0; i < breakpoints->len; i++) {
+ MiniDebugBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
+
+ if (info->index != breakpoint_id)
+ continue;
+
+ mono_method_desc_free (info->desc);
+ g_ptr_array_remove (breakpoints, info);
+ g_free (info);
+ return 1;
+ }
+
+ return 0;
+}
+
+int
+mono_debugger_insert_breakpoint (const gchar *method_name, gboolean include_namespace)
+{
+ MonoMethodDesc *desc;
+
+ desc = mono_method_desc_new (method_name, include_namespace);
+ if (!desc)
+ return 0;
+
+ return mono_debugger_insert_breakpoint_full (desc);
+}
+
+int
+mono_debugger_method_has_breakpoint (MonoMethod *method)
+{
+ int i;
+
+ if (!breakpoints || (method->wrapper_type != MONO_WRAPPER_NONE))
+ return 0;
+
+ for (i = 0; i < breakpoints->len; i++) {
+ MiniDebugBreakpointInfo *info = g_ptr_array_index (breakpoints, i);
+
+ if (!mono_method_desc_full_match (info->desc, method))
+ continue;
+
+ return info->index;
+ }
+
+ return 0;
+}
+
+void
+mono_debugger_breakpoint_callback (MonoMethod *method, guint32 index)
+{
+ mono_debugger_event (MONO_DEBUGGER_EVENT_JIT_BREAKPOINT, (guint64) (gsize) method, index);
+}
+
+void
+mono_debugger_thread_created (gsize tid, MonoThread *thread, MonoJitTlsData *jit_tls)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ size_t stsize = 0;
+ guint8 *staddr = NULL;
+ MonoDebuggerThreadInfo *info;
+
+ if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
+ return;
+
+ mono_debugger_lock ();
+
+ mono_thread_get_stack_bounds (&staddr, &stsize);
+
+ info = g_new0 (MonoDebuggerThreadInfo, 1);
+ info->tid = tid;
+ info->thread = thread;
+ info->stack_start = (guint64) (gsize) staddr;
+ info->signal_stack_start = (guint64) (gsize) jit_tls->signal_stack;
+ info->stack_size = stsize;
+ info->signal_stack_size = jit_tls->signal_stack_size;
+ info->end_stack = (guint64) (gsize) GC_mono_debugger_get_stack_ptr ();
+ info->lmf_addr = (guint64) (gsize) mono_get_lmf_addr ();
+ info->jit_tls = jit_tls;
+
+ info->next = mono_debugger_thread_table;
+ mono_debugger_thread_table = info;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_THREAD_CREATED,
+ tid, (guint64) (gsize) info);
+
+ mono_debugger_unlock ();
+#endif /* MONO_DEBUGGER_SUPPORTED */
+}
+
+void
+mono_debugger_thread_cleanup (MonoJitTlsData *jit_tls)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo **ptr;
+
+ if (mono_debug_format == MONO_DEBUG_FORMAT_NONE)
+ return;
+
+ mono_debugger_lock ();
+
+ for (ptr = &mono_debugger_thread_table; *ptr; ptr = &(*ptr)->next) {
+ MonoDebuggerThreadInfo *info = *ptr;
+
+ if (info->jit_tls != jit_tls)
+ continue;
+
+ mono_debugger_event (MONO_DEBUGGER_EVENT_THREAD_CLEANUP,
+ info->tid, (guint64) (gsize) info);
+
+ *ptr = info->next;
+ g_free (info);
+ break;
+ }
+
+ mono_debugger_unlock ();
+#endif
}
+void
+mono_debugger_extended_notification (MonoDebuggerEvent event, guint64 data, guint64 arg)
+{
+#ifdef MONO_DEBUGGER_SUPPORTED
+ MonoDebuggerThreadInfo **ptr;
+ MonoThread *thread = mono_thread_current ();
+
+ if (!mono_debug_using_mono_debugger ())
+ return;
+
+ mono_debugger_lock ();
+
+ for (ptr = &mono_debugger_thread_table; *ptr; ptr = &(*ptr)->next) {
+ MonoDebuggerThreadInfo *info = *ptr;
+
+ if (info->thread != thread)
+ continue;
+
+ if ((info->extended_notifications & (int) event) == 0)
+ continue;
+
+ mono_debugger_event (event, data, arg);
+ }
+
+ mono_debugger_unlock ();
+#endif
+}
+
+void
+mono_debugger_trampoline_compiled (MonoMethod *method, const guint8 *code)
+{
+ mono_debugger_extended_notification (MONO_DEBUGGER_EVENT_TRAMPOLINE,
+ (guint64) (gsize) method, (guint64) (gsize) code);
+}
projects / mono.git / blobdiff