[gnome-builder/wip/chergert/bug1: 81/101] gdb: try to follow mi2 closer



commit 47672a71b42e7b694a6342e5947ea464c282c333
Author: Christian Hergert <chergert redhat com>
Date:   Thu Aug 31 00:00:08 2017 -0700

    gdb: try to follow mi2 closer
    
    source+line or source+function, otherwise we need to use address for now.

 plugins/gdb/gbp-gdb-debugger.c |   33 +++++++++++++++++++++++++++------
 1 files changed, 27 insertions(+), 6 deletions(-)
---
diff --git a/plugins/gdb/gbp-gdb-debugger.c b/plugins/gdb/gbp-gdb-debugger.c
index 1cfe655..60f4c82 100644
--- a/plugins/gdb/gbp-gdb-debugger.c
+++ b/plugins/gdb/gbp-gdb-debugger.c
@@ -1088,6 +1088,7 @@ gbp_gdb_debugger_insert_breakpoint_async (IdeDebugger           *debugger,
   GbpGdbDebugger *self = (GbpGdbDebugger *)debugger;
   g_autoptr(GString) command = NULL;
   g_autoptr(GTask) task = NULL;
+  IdeDebuggerAddress addr;
   const gchar *func;
   const gchar *file;
   const gchar *spec;
@@ -1108,14 +1109,34 @@ gbp_gdb_debugger_insert_breakpoint_async (IdeDebugger           *debugger,
   if (ide_debugger_breakpoint_get_enabled (breakpoint))
     g_string_append (command, " -d");
 
-  if (NULL != (func = ide_debugger_breakpoint_get_function (breakpoint)))
-    g_string_append_printf (command, " --function %s", func);
 
-  if (NULL != (file = ide_debugger_breakpoint_get_file (breakpoint)))
-    g_string_append_printf (command, " --source %s", file);
+  file = ide_debugger_breakpoint_get_file (breakpoint);
+  func = ide_debugger_breakpoint_get_function (breakpoint);
+  line = ide_debugger_breakpoint_get_line (breakpoint);
+  addr = ide_debugger_breakpoint_get_address (breakpoint);
 
-  if (0 != (line = ide_debugger_breakpoint_get_line (breakpoint)))
-    g_string_append_printf (command, " --line %u", line);
+  if (file != NULL && line > 0)
+    {
+      g_string_append_printf (command, " --source %s", file);
+      g_string_append_printf (command, " --line %u", line);
+    }
+  else if (file != NULL && func != NULL)
+    {
+      g_string_append_printf (command, " --source %s", file);
+      g_string_append_printf (command, " --function %s", func);
+    }
+  else if (addr != 0)
+    {
+      g_string_append_printf (command, " *0x%"G_GINT64_MODIFIER"x", addr);
+    }
+  else
+    {
+      g_task_return_new_error (task,
+                               G_IO_ERROR,
+                               G_IO_ERROR_FAILED,
+                               "Failed to create breakpoint based on request");
+      return;
+    }
 
   if (0 != (thread = ide_debugger_breakpoint_get_thread (breakpoint)))
     g_string_append_printf (command, " -p %s", thread);


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