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| author | Stan Shebs <shebs@codesourcery.com> | 2009-12-24 01:42:03 +0000 |
|---|---|---|
| committer | Stan Shebs <shebs@codesourcery.com> | 2009-12-24 01:42:03 +0000 |
| commit | 6c228b9caeee7c3fe760c7946fa6a4ba5cde9192 (patch) | |
| tree | a041c8cb0ee40d48121f64c77aa23d9b43bb3053 | |
| parent | 0936ad1d22457136c65383681c475e5a0e30db14 (diff) | |
| download | gdb-6c228b9caeee7c3fe760c7946fa6a4ba5cde9192.zip gdb-6c228b9caeee7c3fe760c7946fa6a4ba5cde9192.tar.gz gdb-6c228b9caeee7c3fe760c7946fa6a4ba5cde9192.tar.bz2 | |
2009-12-23 Stan Shebs <stan@codesourcery.com>
* ax-gdb.c (gen_expr): Handle OP_THIS.
| -rw-r--r-- | gdb/ChangeLog | 2 | ||||
| -rw-r--r-- | gdb/ax-gdb.c | 33 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f32d287..e1115bc 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,7 @@ 2009-12-23 Stan Shebs <stan@codesourcery.com> + * ax-gdb.c (gen_expr): Handle OP_THIS. + * ax-gdb.h (gen_trace_for_var): Declare. * ax-gdb.c (gen_trace_for_var): New function. * dwarf2loc.c (dwarf_expr_frame_base_1): New function, split from... diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index 4d3f3ac..a1c3d6e 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -35,6 +35,7 @@ #include "regcache.h" #include "user-regs.h" #include "language.h" +#include "dictionary.h" /* To make sense of this file, you should read doc/agentexpr.texi. Then look at the types and enums in ax-gdb.h. For the code itself, @@ -1759,6 +1760,38 @@ gen_expr (struct expression *exp, union exp_element **pc, } break; + case OP_THIS: + { + char *name; + struct frame_info *frame; + struct symbol *func, *sym; + struct block *b; + + name = current_language->la_name_of_this; + if (!name) + error (_("no `this' in current language")); + + frame = get_selected_frame (_("no frame selected")); + + func = get_frame_function (frame); + if (!func) + error (_("no `%s' in nameless context"), name); + + b = SYMBOL_BLOCK_VALUE (func); + if (dict_empty (BLOCK_DICT (b))) + error (_("no args, no `%s' in block"), name); + + /* Calling lookup_block_symbol is necessary to get the LOC_REGISTER + symbol instead of the LOC_ARG one (if both exist). */ + sym = lookup_block_symbol (b, name, NULL, VAR_DOMAIN); + if (!sym) + error (_("no `%s' found"), name); + + gen_var_ref (exp->gdbarch, ax, value, sym); + (*pc) += 2; + } + break; + case OP_TYPE: error (_("Attempt to use a type name as an expression.")); |