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MI, always pass a value to val_print & co
- From: Pedro Alves <pedro at codesourcery dot com>
- To: gdb-patches at sourceware dot org
- Date: Tue, 25 Jan 2011 17:00:58 +0000
- Subject: MI, always pass a value to val_print & co
Here's another case where we were passing a NULL value to
val_print.
Tested on x86_64-linux and checked in.
--
Pedro Alves
2011-01-25 Pedro Alves <pedro@codesourcery.com>
gdb/
* mi/mi-main.c (get_register): Use get_frame_register_value rather
than frame_register, and always pass a valid value to val_print.
---
gdb/mi/mi-main.c | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
Index: src/gdb/mi/mi-main.c
===================================================================
--- src.orig/gdb/mi/mi-main.c 2011-01-25 12:26:25.547640002 +0000
+++ src/gdb/mi/mi-main.c 2011-01-25 16:46:47.587640006 +0000
@@ -1116,27 +1116,26 @@ static void
get_register (struct frame_info *frame, int regnum, int format)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
- gdb_byte buffer[MAX_REGISTER_SIZE];
- int optim;
- int realnum;
CORE_ADDR addr;
enum lval_type lval;
static struct ui_stream *stb = NULL;
+ struct value *val;
stb = ui_out_stream_new (uiout);
if (format == 'N')
format = 0;
- frame_register (frame, regnum, &optim, &lval, &addr, &realnum, buffer);
+ val = get_frame_register_value (frame, regnum);
- if (optim)
+ if (value_optimized_out (val))
error ("Optimized out");
if (format == 'r')
{
int j;
char *ptr, buf[1024];
+ const gdb_byte *valaddr = value_contents_for_printing (val);
strcpy (buf, "0x");
ptr = buf + 2;
@@ -1145,7 +1144,7 @@ get_register (struct frame_info *frame,
int idx = gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG ?
j : register_size (gdbarch, regnum) - 1 - j;
- sprintf (ptr, "%02x", (unsigned char) buffer[idx]);
+ sprintf (ptr, "%02x", (unsigned char) valaddr[idx]);
ptr += 2;
}
ui_out_field_string (uiout, "value", buf);
@@ -1157,8 +1156,10 @@ get_register (struct frame_info *frame,
get_formatted_print_options (&opts, format);
opts.deref_ref = 1;
- val_print (register_type (gdbarch, regnum), buffer, 0, 0,
- stb->stream, 0, NULL, &opts, current_language);
+ val_print (value_type (val),
+ value_contents_for_printing (val),
+ value_embedded_offset (val), 0,
+ stb->stream, 0, val, &opts, current_language);
ui_out_field_stream (uiout, "value", stb);
ui_out_stream_delete (stb);
}