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From: Christina Schimpe <christina.schimpe@intel.com>
To: gdb-patches@sourceware.org
Cc: thiago.bauermann@linaro.org
Subject: [PATCH v2 2/9] gdb: Refactor 'stack.c:print_frame'.
Date: Fri, 23 Jan 2026 08:05:24 +0000	[thread overview]
Message-ID: <20260123080532.878738-3-christina.schimpe@intel.com> (raw)
In-Reply-To: <20260123080532.878738-1-christina.schimpe@intel.com>

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Refactor the function 'stack.c:print_frame' by introducing several
small functions.
The functions will also be used in a later patch "gdb: Implement
'bt shadow' to print the shadow stack backtrace."

Approved-By: Tom Tromey <tom@tromey.com>
---
 gdb/stack.c | 90 +++++++++++++++++++++++++++++++++--------------------
 1 file changed, 57 insertions(+), 33 deletions(-)

diff --git a/gdb/stack.c b/gdb/stack.c
index 732d525083e..54935992ebf 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -1320,6 +1320,60 @@ find_frame_funname (const frame_info_ptr &frame, enum language *funlang,
   return funname;
 }
 
+/* Print the library LIB to UIOUT for the printing of frame
+   information.  */
+
+static void
+print_lib (ui_out *uiout, const char *lib)
+{
+  annotate_frame_where ();
+  uiout->wrap_hint (2);
+  uiout->text (" from ");
+  uiout->field_string ("from", lib, file_name_style.style ());
+}
+
+/* Print the filenname of SAL to UIOUT for the printing of frame
+   information.  */
+
+static void
+print_filename (ui_out *uiout, symtab_and_line sal)
+{
+  annotate_frame_source_begin ();
+  const char *filename_display;
+
+  filename_display = symtab_to_filename_for_display (sal.symtab);
+  uiout->wrap_hint (3);
+  uiout->text (" at ");
+  annotate_frame_source_file ();
+  uiout->field_string ("file", filename_display, file_name_style.style ());
+
+  if (uiout->is_mi_like_p ())
+    {
+      const char *fullname = symtab_to_fullname (sal.symtab);
+      uiout->field_string ("fullname", fullname);
+    }
+
+  annotate_frame_source_file_end ();
+  uiout->text (":");
+  annotate_frame_source_line ();
+  uiout->field_signed ("line", sal.line, line_number_style.style ());
+  annotate_frame_source_end ();
+}
+
+/*  If available, print FUNNAME to UIOUT for the printing of frame
+    information.  */
+
+static void
+print_funname (ui_out *uiout,
+	       gdb::unique_xmalloc_ptr<char> const &funname)
+{
+  annotate_frame_function_name ();
+  string_file stb;
+  gdb_puts (funname ? funname.get () : "??", &stb);
+  uiout->field_stream ("func", stb, function_name_style.style ());
+  uiout->wrap_hint (3);
+}
+
 static void
 print_frame (struct ui_out *uiout,
 	     const frame_print_options &fp_opts,
@@ -1365,12 +1419,8 @@ print_frame (struct ui_out *uiout,
 	  annotate_frame_address_end ();
 	  uiout->text (" in ");
 	}
-    annotate_frame_function_name ();
+    print_funname (uiout, funname);
 
-    string_file stb;
-    gdb_puts (funname ? funname.get () : "??", &stb);
-    uiout->field_stream ("func", stb, function_name_style.style ());
-    uiout->wrap_hint (3);
     annotate_frame_args ();
 
     uiout->text (" (");
@@ -1403,28 +1453,7 @@ print_frame (struct ui_out *uiout,
       }
     uiout->text (")");
     if (print_what != SHORT_LOCATION && sal.symtab)
-      {
-	const char *filename_display;
-
-	filename_display = symtab_to_filename_for_display (sal.symtab);
-	annotate_frame_source_begin ();
-	uiout->wrap_hint (3);
-	uiout->text (" at ");
-	annotate_frame_source_file ();
-	uiout->field_string ("file", filename_display,
-			     file_name_style.style ());
-	if (uiout->is_mi_like_p ())
-	  {
-	    const char *fullname = symtab_to_fullname (sal.symtab);
-
-	    uiout->field_string ("fullname", fullname);
-	  }
-	annotate_frame_source_file_end ();
-	uiout->text (":");
-	annotate_frame_source_line ();
-	uiout->field_signed ("line", sal.line, line_number_style.style ());
-	annotate_frame_source_end ();
-      }
+      print_filename (uiout, sal);
 
     if (print_what != SHORT_LOCATION
 	&& pc.has_value () && (funname == NULL || sal.symtab == NULL))
@@ -1434,12 +1463,7 @@ print_frame (struct ui_out *uiout,
 				     get_frame_address_in_block (frame));
 
 	if (lib)
-	  {
-	    annotate_frame_where ();
-	    uiout->wrap_hint (2);
-	    uiout->text (" from ");
-	    uiout->field_string ("from", lib, file_name_style.style ());
-	  }
+	  print_lib (uiout, lib);
       }
     if (uiout->is_mi_like_p ())
       uiout->field_string ("arch",
-- 
2.34.1


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  parent reply	other threads:[~2026-01-23  8:08 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-23  8:05 [PATCH v2 0/9] Add new command to print the shadow stack backtrace Christina Schimpe
2026-01-23  8:05 ` [PATCH v2 1/9] gdb: Generalize handling of the shadow stack pointer Christina Schimpe
2026-02-19 17:55   ` Tom Tromey
2026-02-27 18:09     ` Schimpe, Christina
2026-02-27 18:26       ` Tom Tromey
2026-03-02 11:53         ` Schimpe, Christina
2026-04-09  9:49           ` Schimpe, Christina
2026-04-14 17:34             ` Tom Tromey
2026-04-15  7:35               ` Schimpe, Christina
2026-04-15 15:54                 ` Tom Tromey
2026-02-27 22:54       ` Thiago Jung Bauermann
2026-03-06  3:15   ` Thiago Jung Bauermann
2026-03-06  3:57     ` Thiago Jung Bauermann
2026-04-09 11:57       ` Schimpe, Christina
2026-04-10  5:03         ` Thiago Jung Bauermann
2026-04-10  7:53           ` Schimpe, Christina
2026-04-09 12:06   ` Schimpe, Christina
2026-04-10  5:05     ` Thiago Jung Bauermann
2026-01-23  8:05 ` Christina Schimpe [this message]
2026-01-23  8:05 ` [PATCH v2 3/9] gdb: Introduce 'stack.c:print_pc' function without frame argument Christina Schimpe
2026-01-23  8:05 ` [PATCH v2 4/9] gdb: Refactor 'find_symbol_funname' and 'info_frame_command_core' in stack.c Christina Schimpe
2026-02-19 17:32   ` Tom Tromey
2026-04-09 12:40     ` Schimpe, Christina
2026-01-23  8:05 ` [PATCH v2 5/9] gdb: Refactor 'stack.c:print_frame_info' Christina Schimpe
2026-01-23  8:05 ` [PATCH v2 6/9] gdb: Add command option 'bt -shadow' to print the shadow stack backtrace Christina Schimpe
2026-01-23  8:52   ` Eli Zaretskii
2026-02-13 16:42     ` Schimpe, Christina
2026-04-14  8:43       ` Schimpe, Christina
2026-04-14 11:53         ` Eli Zaretskii
2026-04-14 13:28           ` Schimpe, Christina
2026-04-14 14:12             ` Eli Zaretskii
2026-04-14 15:05               ` Schimpe, Christina
2026-02-19 18:19   ` Tom Tromey
2026-04-09 16:48     ` Schimpe, Christina
2026-03-06  4:31   ` Thiago Jung Bauermann
2026-03-06  9:39     ` Schimpe, Christina
2026-04-09 15:12     ` Schimpe, Christina
2026-04-10  6:21       ` Thiago Jung Bauermann
2026-04-10 12:12         ` Schimpe, Christina
2026-01-23  8:05 ` [PATCH v2 7/9] gdb: Provide gdbarch hook to distinguish shadow stack backtrace elements Christina Schimpe
2026-01-23  8:47   ` Eli Zaretskii
2026-02-19 17:41   ` Tom Tromey
2026-01-23  8:05 ` [PATCH v2 8/9] gdb: Implement the hook 'is_no_return_shadow_stack_address' for amd64 linux Christina Schimpe
2026-02-19 17:43   ` Tom Tromey
2026-01-23  8:05 ` [PATCH v2 9/9] gdb, mi: Add -shadow-stack-list-frames command Christina Schimpe
2026-01-23  8:46   ` Eli Zaretskii
2026-02-13 19:17     ` Schimpe, Christina
2026-02-19 18:26   ` Tom Tromey
2026-03-02 12:39 ` [PATCH v2 0/9] Add new command to print the shadow stack backtrace Schimpe, Christina

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