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binutils-gdb
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2005-11-03 Andrew Cagney <cagney@gnu.org> 

Checked in by Elena Zannoni  <ezannoni@redhat.com>

       * dwarf2loc.c (dwarf2_evaluate_loc_desc): Handle DW_OP_piece
       reads.
This commit is contained in:
Elena Zannoni 2005-11-04 02:42:34 +00:00
parent 9b1771bc2b
commit 23572ecadc
2 changed files with 29 additions and 5 deletions
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7
gdb/ChangeLog
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@ -1,3 +1,10 @@
2005-11-03 Andrew Cagney <cagney@gnu.org>
Checked in by Elena Zannoni <ezannoni@redhat.com>
* dwarf2loc.c (dwarf2_evaluate_loc_desc): Handle DW_OP_piece
reads.
2006-11-03 Daniel Jacobowitz <dan@codesourcery.com>
* linux-nat.c (linux_nat_resume): Add more debugging messages. Do

27
gdb/dwarf2loc.c
View File

@ -302,11 +302,28 @@ dwarf2_evaluate_loc_desc (struct symbol *var, struct frame_info *frame,
dwarf_expr_eval (ctx, data, size);
if (ctx->num_pieces > 0)
{
/* We haven't implemented splicing together pieces from
arbitrary sources yet. */
error (_("The value of variable '%s' is distributed across several\n"
"locations, and GDB cannot access its value.\n"),
SYMBOL_NATURAL_NAME (var));
int i;
long offset = 0;
bfd_byte *contents;
retval = allocate_value (SYMBOL_TYPE (var));
contents = value_contents_raw (retval);
for (i = 0; i < ctx->num_pieces; i++)
{
struct dwarf_expr_piece *p = &ctx->pieces[i];
if (p->in_reg)
{
bfd_byte regval[MAX_REGISTER_SIZE];
int gdb_regnum = DWARF2_REG_TO_REGNUM (p->value);
get_frame_register (frame, gdb_regnum, regval);
memcpy (contents + offset, regval, p->size);
}
else /* In memory? */
{
read_memory (p->value, contents + offset, p->size);
}
offset += p->size;
}
}
else if (ctx->in_reg)
{