* gdb/dwarf2loc.c (read_pieced_value, write_pieced_value,
dwarf2_evaluate_loc_desc): Handle not being able to access DWARF registers gracefully.
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2f1bdd26c4
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63b4f126d1
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@ -1,3 +1,9 @@
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2010-05-04 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
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* dwarf2loc.c (read_pieced_value, write_pieced_value,
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dwarf2_evaluate_loc_desc): Handle not being able to access DWARF
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registers gracefully.
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2010-05-04 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
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2010-05-04 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
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* exec.c (print_section_info): Display entry point without arch
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* exec.c (print_section_info): Display entry point without arch
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@ -284,8 +284,16 @@ read_pieced_value (struct value *v)
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/* Big-endian, and we want less than full size. */
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/* Big-endian, and we want less than full size. */
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reg_offset = register_size (arch, gdb_regnum) - p->size;
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reg_offset = register_size (arch, gdb_regnum) - p->size;
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get_frame_register_bytes (frame, gdb_regnum, reg_offset, p->size,
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if (gdb_regnum != -1)
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contents + offset);
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{
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get_frame_register_bytes (frame, gdb_regnum, reg_offset,
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p->size, contents + offset);
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}
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else
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{
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error (_("Unable to access DWARF register number %s"),
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paddress (arch, p->v.expr.value));
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}
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}
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}
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break;
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break;
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@ -356,8 +364,16 @@ write_pieced_value (struct value *to, struct value *from)
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/* Big-endian, and we want less than full size. */
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/* Big-endian, and we want less than full size. */
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reg_offset = register_size (arch, gdb_regnum) - p->size;
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reg_offset = register_size (arch, gdb_regnum) - p->size;
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put_frame_register_bytes (frame, gdb_regnum, reg_offset, p->size,
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if (gdb_regnum != -1)
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contents + offset);
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{
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put_frame_register_bytes (frame, gdb_regnum, reg_offset,
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p->size, contents + offset);
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}
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else
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{
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error (_("Unable to write to DWARF register number %s"),
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paddress (arch, p->v.expr.value));
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}
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}
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}
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break;
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break;
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case DWARF_VALUE_MEMORY:
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case DWARF_VALUE_MEMORY:
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@ -454,7 +470,16 @@ dwarf2_evaluate_loc_desc (struct symbol *var, struct frame_info *frame,
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struct gdbarch *arch = get_frame_arch (frame);
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struct gdbarch *arch = get_frame_arch (frame);
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CORE_ADDR dwarf_regnum = dwarf_expr_fetch (ctx, 0);
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CORE_ADDR dwarf_regnum = dwarf_expr_fetch (ctx, 0);
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int gdb_regnum = gdbarch_dwarf2_reg_to_regnum (arch, dwarf_regnum);
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int gdb_regnum = gdbarch_dwarf2_reg_to_regnum (arch, dwarf_regnum);
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retval = value_from_register (SYMBOL_TYPE (var), gdb_regnum, frame);
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if (gdb_regnum != -1)
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{
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retval = value_from_register (SYMBOL_TYPE (var),
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gdb_regnum, frame);
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}
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else
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{
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error (_("Unable to access DWARF register number %s"),
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paddress (arch, dwarf_regnum));
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}
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}
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}
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break;
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break;
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