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| author | Tom Tromey <tromey@redhat.com> | 2011-02-18 20:55:45 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@redhat.com> | 2011-02-18 20:55:45 +0000 |
| commit | c7f96d2b95d916a17453df2df3bff1b382420bc8 (patch) | |
| tree | 3d92959b148d78f2ca28eb68ce00316d56c8f98a /gdb/dwarf2loc.c | |
| parent | 66694b75a4d54ce3228aab59ac09585f576dcc16 (diff) | |
| download | gdb-c7f96d2b95d916a17453df2df3bff1b382420bc8.zip gdb-c7f96d2b95d916a17453df2df3bff1b382420bc8.tar.gz gdb-c7f96d2b95d916a17453df2df3bff1b382420bc8.tar.bz2 | |
gdb
* ax-general.c (aop_map): Add pick and rot.
* dwarf2loc.c (compile_dwarf_to_ax) <DW_OP_over>: Reimplement.
<DW_OP_rot>: Implement.
* ax.h (enum agent_op) <aop_pick, aop_rot>: New constants.
(ax_pick): Declare.
* ax-general.c (ax_pick): New function.
doc
* agentexpr.texi (Bytecode Descriptions): Document pick and rot.
gdbserver
* tracepoint.c (enum gdb_agent_op) <gdb_agent_op_pick,
gdb_agent_op_rot>: New constants.
(gdb_agent_op_names): Add pick and roll.
(eval_agent_expr) <gdb_agent_op_pick, gdb_agent_op_rot>: New
cases.
Diffstat (limited to 'gdb/dwarf2loc.c')
| -rw-r--r-- | gdb/dwarf2loc.c | 26 |
1 files changed, 3 insertions, 23 deletions
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index 4d31afa..a439f72 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -1740,7 +1740,7 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, case DW_OP_pick: offset = *op_ptr++; - unimplemented (op); + ax_pick (expr, offset); break; case DW_OP_swap: @@ -1748,31 +1748,11 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, break; case DW_OP_over: - /* We can't directly support DW_OP_over, but GCC emits it as - part of a sequence to implement signed modulus. As a - hack, we recognize this sequence. Note that if GCC ever - generates a branch to the middle of this sequence, then - we will die somehow. */ - if (op_end - op_ptr >= 4 - && op_ptr[0] == DW_OP_over - && op_ptr[1] == DW_OP_div - && op_ptr[2] == DW_OP_mul - && op_ptr[3] == DW_OP_minus) - { - /* Sign extend the operands. */ - ax_ext (expr, addr_size_bits); - ax_simple (expr, aop_swap); - ax_ext (expr, addr_size_bits); - ax_simple (expr, aop_swap); - ax_simple (expr, aop_rem_signed); - op_ptr += 4; - } - else - unimplemented (op); + ax_pick (expr, 1); break; case DW_OP_rot: - unimplemented (op); + ax_simple (expr, aop_rot); break; case DW_OP_deref: |