diff options
| author | Tom Tromey <tromey@redhat.com> | 2009-09-11 18:38:38 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@redhat.com> | 2009-09-11 18:38:38 +0000 |
| commit | 25859a471102b5c2df2bf4211c64f18e004c3ff0 (patch) | |
| tree | 9a1a9919c1d54cf088ecdc5ef1a2f36d8dcd3c2d /gdb/dwarf2-frame.c | |
| parent | c4a2e7b295f44c38dc111145dd6e3a7a63cec23b (diff) | |
| download | gdb-25859a471102b5c2df2bf4211c64f18e004c3ff0.tar.gz | |
gdb
* dwarf2loc.c (struct piece_closure) <arch>: New field.
(dwarf2_evaluate_loc_desc): Update.
(dwarf2_loc_desc_needs_frame): Likewise.
(allocate_piece_closure): Initialize new field.
(read_pieced_value): Update.
(write_pieced_value): Update.
(copy_pieced_value_closure): Update.
* dwarf2expr.h (enum dwarf_value_location): New.
(struct dwarf_expr_context) <in_reg>: Remove.
<location, len, data>: New fields.
(struct dwarf_expr_piece) <in_reg, value>: Remove.
<location, v>: New fields.
* dwarf2expr.c (add_piece): Remove in_reg, value arguments.
Update.
(require_composition): New function.
(execute_stack_op): Update.
<DW_OP_implicit_value, DW_OP_stack_value>: New cases.
<DW_OP_reg0>: Set location, not in_reg.
<DW_OP_regx>: Likewise. Use require_composition.
<DW_OP_fbreg>: Update.
<DW_OP_piece>: Likewise.
* dwarf2-frame.c (execute_stack_op): Update.
gdb/testsuite
* gdb.dwarf2/valop.S: New file.
* gdb.dwarf2/valop.exp: New file.
Diffstat (limited to 'gdb/dwarf2-frame.c')
| -rw-r--r-- | gdb/dwarf2-frame.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c index f9ca067dfe1..a923edffdcc 100644 --- a/gdb/dwarf2-frame.c +++ b/gdb/dwarf2-frame.c @@ -379,8 +379,15 @@ execute_stack_op (gdb_byte *exp, ULONGEST len, int addr_size, dwarf_expr_eval (ctx, exp, len); result = dwarf_expr_fetch (ctx, 0); - if (ctx->in_reg) + if (ctx->location == DWARF_VALUE_REGISTER) result = read_reg (this_frame, result); + else if (ctx->location != DWARF_VALUE_MEMORY) + { + /* This is actually invalid DWARF, but if we ever do run across + it somehow, we might as well support it. So, instead, report + it as unimplemented. */ + error (_("Not implemented: computing unwound register using explicit value operator")); + } do_cleanups (old_chain); |