Retrieved the frames stack from the running process.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@235 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

1 files changed, 79 insertions, 0 deletions

diff --git a/src/debug/jdwp/debugger.c b/src/debug/jdwp/debugger.c
index 51a0db8..b416840 100644
--- a/src/debug/jdwp/debugger.c
+++ b/src/debug/jdwp/debugger.c
@@ -24,7 +24,10 @@
 #include "debugger.h"
 
 
+#include <malloc.h>
 #include <string.h>
+
+
 #include <i18n.h>
 
 
@@ -70,6 +73,9 @@ static bool g_java_debugger_attach(GJavaDebugger *);
 /* Fournit les identifiants de tous les threads actifs. */
 static pid_t *g_java_debugger_list_all_threads(GJavaDebugger *, char ***, size_t *);
 
+/* Fournit la liste des frames courantes d'un thread donné. */
+static dbg_frame_t *g_java_debugger_get_frames_stack(GJavaDebugger *, pid_t, size_t *);
+
 
 
 /* Indique le type défini par la GLib pour le débogueur java. */
@@ -116,6 +122,7 @@ static void g_java_debugger_init(GJavaDebugger *debugger)
     parent->attach = (attach_debugger_fc)g_java_debugger_attach;
 
     parent->all_threads = (dbg_list_all_threads_fc)g_java_debugger_list_all_threads;
+    parent->frames_stack = (dbg_get_frames_stack_fc)g_java_debugger_get_frames_stack;
 
 #if 0
     parent->run = (basic_debugger_fc)g_java_debugger_run;
@@ -364,3 +371,75 @@ static pid_t *g_java_debugger_list_all_threads(GJavaDebugger *debugger, char ***
     return result;
 
 }
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : debugger = instance du module de débogage chargé.            *
+*                thread   = thread concerné par l'analyse.                    *
+*                count    = nombre de frames en place. [OUT]                  *
+*                                                                             *
+*  Description : Fournit la liste des frames courantes d'un thread donné.     *
+*                                                                             *
+*  Retour      : Liste des frames trouvées.                                   *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static dbg_frame_t *g_java_debugger_get_frames_stack(GJavaDebugger *debugger, pid_t thread, size_t *count)
+{
+    dbg_frame_t *result;                    /* Bilan à retourner           */
+    GDebugPacket *req;                      /* Requête à formuler          */
+    jdwp_cmd_thread_frames_request frames;  /* Ciblage du thread désiré    */
+    GDebugPacket *ret;                      /* Obtention de la réponse     */
+    jdwp_payload *payload;                  /* Charge utile d'une réponse  */
+    size_t i;                               /* Boucle de parcours          */
+
+    result = NULL;
+    *count = 0;
+
+    req = g_debug_stream_get_free_packet(debugger->stream);
+
+    g_jdwp_packet_set_request_header(G_JDWP_PACKET(req),
+                                     JDWP_CST_THREAD_REFERENCE, JDWP_CMD_THREAD_FRAMES);
+
+    frames.id = thread;
+    frames.start = 0;
+    frames.length = ALL_FRAMES;
+    g_jdwp_packet_set_payload(G_JDWP_PACKET(req), (jdwp_payload *)&frames);
+
+    if (!g_debug_stream_send_packet(debugger->stream, req))
+        goto gjdgsf_req_error;
+
+    ret = g_debug_stream_recv_packet(debugger->stream,
+                                     (filter_packet_fc)g_jdwp_packet_is_reply, req);
+    if (!ret) goto gjdgsf_req_error;
+
+    if (!g_jdwp_packet_parse_payload(G_JDWP_PACKET(ret),
+                                     JDWP_CST_THREAD_REFERENCE, JDWP_CMD_THREAD_FRAMES))
+        goto gjdgsf_ret_error;
+
+    payload = g_jdwp_packet_get_payload(G_JDWP_PACKET(ret));
+
+    *count = payload->th_frames.count;
+    result = (dbg_frame_t *)calloc(*count, sizeof(dbg_frame_t));
+
+    for (i = 0; i < *count; i++)
+    {
+        /* TODO */
+        result[i].addr = payload->th_frames.frames[i].location.index;
+
+    }
+
+ gjdgsf_ret_error:
+
+    g_debug_stream_mark_packet_as_free(debugger->stream, ret);
+
+ gjdgsf_req_error:
+
+    g_debug_stream_mark_packet_as_free(debugger->stream, req);
+
+    return result;
+
+}