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| author | Tom Tromey <tom@tromey.com> | 2021-03-08 07:27:57 -0700 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2021-03-08 07:28:16 -0700 |
| commit | 55bdbff857f80da9e3464968f1ada2be3484fcf9 (patch) | |
| tree | 64222256f769da20623e489abd09751792736747 /gdb/ax-gdb.c | |
| parent | 247d935b83da28edeb0894f5425190d92a2e786a (diff) | |
| download | gdb-55bdbff857f80da9e3464968f1ada2be3484fcf9.zip gdb-55bdbff857f80da9e3464968f1ada2be3484fcf9.tar.gz gdb-55bdbff857f80da9e3464968f1ada2be3484fcf9.tar.bz2 | |
Introduce register_operation
This adds class register_operation, which implements OP_REGISTER.
gdb/ChangeLog
2021-03-08 Tom Tromey <tom@tromey.com>
* expop.h (class register_operation): New.
* eval.c (eval_op_register): No longer static.
* ax-gdb.c (register_operation::do_generate_ax): New method.
Diffstat (limited to 'gdb/ax-gdb.c')
| -rw-r--r-- | gdb/ax-gdb.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index 6028170..5ffe5a0 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -2341,6 +2341,30 @@ var_msym_value_operation::do_generate_ax (struct expression *exp, } } +void +register_operation::do_generate_ax (struct expression *exp, + struct agent_expr *ax, + struct axs_value *value, + struct type *cast_type) +{ + const char *name = std::get<0> (m_storage).c_str (); + int len = std::get<0> (m_storage).size (); + int reg; + + reg = user_reg_map_name_to_regnum (ax->gdbarch, name, len); + if (reg == -1) + internal_error (__FILE__, __LINE__, + _("Register $%s not available"), name); + /* No support for tracing user registers yet. */ + if (reg >= gdbarch_num_cooked_regs (ax->gdbarch)) + error (_("'%s' is a user-register; " + "GDB cannot yet trace user-register contents."), + name); + value->kind = axs_lvalue_register; + value->u.reg = reg; + value->type = register_type (ax->gdbarch, reg); +} + } /* This handles the middle-to-right-side of code generation for binary |