diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 24 | ||||
| -rw-r--r-- | gdb/ax-gdb.c | 78 | ||||
| -rw-r--r-- | gdb/dwarf2loc.c | 31 | ||||
| -rw-r--r-- | gdb/dwarf2loc.h | 1 | ||||
| -rw-r--r-- | gdb/symtab.h | 4 |
5 files changed, 78 insertions, 60 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 09d9b12..68e7a1b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,29 @@ 2017-07-14 Simon Marchi <simon.marchi@ericsson.com> + * dwarf2loc.h (dwarf2_compile_expr_to_ax): Remove gdbarch + parameter. + * symtab.h (struct symbol_computed_ops::tracepoint_var_ref): + Likewise. + * dwarf2loc.c (dwarf2_compile_expr_to_ax): Remove gdbarch + parameter, use agent_expr::gdbarch instead, update function + calls. + (locexpr_tracepoint_var_ref): Likewise. + (loclist_tracepoint_var_ref): Likewise. + * ax-gdb.c (gen_trace_static_fields): Likewise. + (gen_traced_pop): Likewise. + (gen_frame_args_address): Likewise. + (gen_frame_locals_address): Likewise. + (gen_var_ref): Likewise. + (gen_struct_ref_recursive): Likewise. + (gen_static_field): Likewise. + (gen_maybe_namespace_elt): Likewise. + (gen_expr): Likewise. + (gen_trace_for_var): Likewise. + (gen_trace_for_expr): Likewise. + (gen_trace_for_return_address): Likewise. + +2017-07-14 Simon Marchi <simon.marchi@ericsson.com> + * ax-gdb.c (gen_deref, gen_address_of): Remove unused ax parameter. (gen_struct_ref, gen_expr, gen_expr_binop_rest): Update call. diff --git a/gdb/ax-gdb.c b/gdb/ax-gdb.c index 8da0514..6115772 100644 --- a/gdb/ax-gdb.c +++ b/gdb/ax-gdb.c @@ -77,8 +77,7 @@ static struct value *const_var_ref (struct symbol *var); static struct value *const_expr (union exp_element **pc); static struct value *maybe_const_expr (union exp_element **pc); -static void gen_traced_pop (struct gdbarch *, struct agent_expr *, - struct axs_value *); +static void gen_traced_pop (struct agent_expr *, struct axs_value *); static void gen_sign_extend (struct agent_expr *, struct type *); static void gen_extend (struct agent_expr *, struct type *); @@ -86,12 +85,12 @@ static void gen_fetch (struct agent_expr *, struct type *); static void gen_left_shift (struct agent_expr *, int); -static void gen_frame_args_address (struct gdbarch *, struct agent_expr *); -static void gen_frame_locals_address (struct gdbarch *, struct agent_expr *); +static void gen_frame_args_address (struct agent_expr *); +static void gen_frame_locals_address (struct agent_expr *); static void gen_offset (struct agent_expr *ax, int offset); static void gen_sym_offset (struct agent_expr *, struct symbol *); -static void gen_var_ref (struct gdbarch *, struct agent_expr *ax, - struct axs_value *value, struct symbol *var); +static void gen_var_ref (struct agent_expr *ax, struct axs_value *value, + struct symbol *var); static void gen_int_literal (struct agent_expr *ax, @@ -146,8 +145,7 @@ static void gen_struct_ref (struct agent_expr *ax, const char *field, const char *operator_name, const char *operand_name); -static void gen_static_field (struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value, +static void gen_static_field (struct agent_expr *ax, struct axs_value *value, struct type *type, int fieldno); static void gen_repeat (struct expression *exp, union exp_element **pc, struct agent_expr *ax, struct axs_value *value); @@ -312,8 +310,7 @@ maybe_const_expr (union exp_element **pc) classes, and generate tracing bytecodes for each. */ static void -gen_trace_static_fields (struct gdbarch *gdbarch, - struct agent_expr *ax, +gen_trace_static_fields (struct agent_expr *ax, struct type *type) { int i, nbases = TYPE_N_BASECLASSES (type); @@ -325,7 +322,7 @@ gen_trace_static_fields (struct gdbarch *gdbarch, { if (field_is_static (&TYPE_FIELD (type, i))) { - gen_static_field (gdbarch, ax, &value, type, i); + gen_static_field (ax, &value, type, i); if (value.optimized_out) continue; switch (value.kind) @@ -355,7 +352,7 @@ gen_trace_static_fields (struct gdbarch *gdbarch, { struct type *basetype = check_typedef (TYPE_BASECLASS (type, i)); - gen_trace_static_fields (gdbarch, ax, basetype); + gen_trace_static_fields (ax, basetype); } } @@ -363,8 +360,7 @@ gen_trace_static_fields (struct gdbarch *gdbarch, the value. Useful on the left side of a comma, and at the end of an expression being used for tracing. */ static void -gen_traced_pop (struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value) +gen_traced_pop (struct agent_expr *ax, struct axs_value *value) { int string_trace = 0; if (ax->trace_string @@ -437,7 +433,7 @@ gen_traced_pop (struct gdbarch *gdbarch, if (ax->tracing && (TYPE_CODE (value->type) == TYPE_CODE_STRUCT || TYPE_CODE (value->type) == TYPE_CODE_UNION)) - gen_trace_static_fields (gdbarch, ax, value->type); + gen_trace_static_fields (ax, value->type); } @@ -556,12 +552,12 @@ gen_left_shift (struct agent_expr *ax, int distance) /* Generate code to push the base address of the argument portion of the top stack frame. */ static void -gen_frame_args_address (struct gdbarch *gdbarch, struct agent_expr *ax) +gen_frame_args_address (struct agent_expr *ax) { int frame_reg; LONGEST frame_offset; - gdbarch_virtual_frame_pointer (gdbarch, + gdbarch_virtual_frame_pointer (ax->gdbarch, ax->scope, &frame_reg, &frame_offset); ax_reg (ax, frame_reg); gen_offset (ax, frame_offset); @@ -571,12 +567,12 @@ gen_frame_args_address (struct gdbarch *gdbarch, struct agent_expr *ax) /* Generate code to push the base address of the locals portion of the top stack frame. */ static void -gen_frame_locals_address (struct gdbarch *gdbarch, struct agent_expr *ax) +gen_frame_locals_address (struct agent_expr *ax) { int frame_reg; LONGEST frame_offset; - gdbarch_virtual_frame_pointer (gdbarch, + gdbarch_virtual_frame_pointer (ax->gdbarch, ax->scope, &frame_reg, &frame_offset); ax_reg (ax, frame_reg); gen_offset (ax, frame_offset); @@ -621,8 +617,7 @@ gen_sym_offset (struct agent_expr *ax, struct symbol *var) symbol VAR. Set VALUE to describe the result. */ static void -gen_var_ref (struct gdbarch *gdbarch, struct agent_expr *ax, - struct axs_value *value, struct symbol *var) +gen_var_ref (struct agent_expr *ax, struct axs_value *value, struct symbol *var) { /* Dereference any typedefs. */ value->type = check_typedef (SYMBOL_TYPE (var)); @@ -630,7 +625,7 @@ gen_var_ref (struct gdbarch *gdbarch, struct agent_expr *ax, if (SYMBOL_COMPUTED_OPS (var) != NULL) { - SYMBOL_COMPUTED_OPS (var)->tracepoint_var_ref (var, gdbarch, ax, value); + SYMBOL_COMPUTED_OPS (var)->tracepoint_var_ref (var, ax, value); return; } @@ -660,22 +655,22 @@ gen_var_ref (struct gdbarch *gdbarch, struct agent_expr *ax, break; case LOC_ARG: /* var lives in argument area of frame */ - gen_frame_args_address (gdbarch, ax); + gen_frame_args_address (ax); gen_sym_offset (ax, var); value->kind = axs_lvalue_memory; break; case LOC_REF_ARG: /* As above, but the frame slot really holds the address of the variable. */ - gen_frame_args_address (gdbarch, ax); + gen_frame_args_address (ax); gen_sym_offset (ax, var); /* Don't assume any particular pointer size. */ - gen_fetch (ax, builtin_type (gdbarch)->builtin_data_ptr); + gen_fetch (ax, builtin_type (ax->gdbarch)->builtin_data_ptr); value->kind = axs_lvalue_memory; break; case LOC_LOCAL: /* var lives in locals area of frame */ - gen_frame_locals_address (gdbarch, ax); + gen_frame_locals_address (ax); gen_sym_offset (ax, var); value->kind = axs_lvalue_memory; break; @@ -695,7 +690,8 @@ gen_var_ref (struct gdbarch *gdbarch, struct agent_expr *ax, this as an lvalue or rvalue, the caller will generate the right code. */ value->kind = axs_lvalue_register; - value->u.reg = SYMBOL_REGISTER_OPS (var)->register_number (var, gdbarch); + value->u.reg + = SYMBOL_REGISTER_OPS (var)->register_number (var, ax->gdbarch); break; /* A lot like LOC_REF_ARG, but the pointer lives directly in a @@ -703,7 +699,8 @@ gen_var_ref (struct gdbarch *gdbarch, struct agent_expr *ax, because it's just like any other case where the thing has a real address. */ case LOC_REGPARM_ADDR: - ax_reg (ax, SYMBOL_REGISTER_OPS (var)->register_number (var, gdbarch)); + ax_reg (ax, + SYMBOL_REGISTER_OPS (var)->register_number (var, ax->gdbarch)); value->kind = axs_lvalue_memory; break; @@ -1446,7 +1443,7 @@ gen_struct_ref_recursive (struct agent_expr *ax, struct axs_value *value, being handled as a global. */ if (field_is_static (&TYPE_FIELD (type, i))) { - gen_static_field (ax->gdbarch, ax, value, type, i); + gen_static_field (ax, value, type, i); if (value->optimized_out) error (_("static field `%s' has been " "optimized out, cannot use"), @@ -1532,8 +1529,7 @@ gen_maybe_namespace_elt (struct agent_expr *ax, struct axs_value *value, const struct type *curtype, char *name); static void -gen_static_field (struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value, +gen_static_field (struct agent_expr *ax, struct axs_value *value, struct type *type, int fieldno) { if (TYPE_FIELD_LOC_KIND (type, fieldno) == FIELD_LOC_KIND_PHYSADDR) @@ -1550,7 +1546,7 @@ gen_static_field (struct gdbarch *gdbarch, if (sym) { - gen_var_ref (gdbarch, ax, value, sym); + gen_var_ref (ax, value, sym); /* Don't error if the value was optimized out, we may be scanning all static fields and just want to pass over this @@ -1585,7 +1581,7 @@ gen_struct_elt_for_reference (struct agent_expr *ax, struct axs_value *value, { if (field_is_static (&TYPE_FIELD (t, i))) { - gen_static_field (ax->gdbarch, ax, value, t, i); + gen_static_field (ax, value, t, i); if (value->optimized_out) error (_("static field `%s' has been " "optimized out, cannot use"), @@ -1643,7 +1639,7 @@ gen_maybe_namespace_elt (struct agent_expr *ax, struct axs_value *value, if (sym.symbol == NULL) return 0; - gen_var_ref (ax->gdbarch, ax, value, sym.symbol); + gen_var_ref (ax, value, sym.symbol); if (value->optimized_out) error (_("`%s' has been optimized out, cannot use"), @@ -1945,7 +1941,7 @@ gen_expr (struct expression *exp, union exp_element **pc, /* Don't just dispose of the left operand. We might be tracing, in which case we want to emit code to trace it if it's an lvalue. */ - gen_traced_pop (ax->gdbarch, ax, &value1); + gen_traced_pop (ax, &value1); gen_expr (exp, pc, ax, value); /* It's the consumer's responsibility to trace the right operand. */ break; @@ -1961,7 +1957,7 @@ gen_expr (struct expression *exp, union exp_element **pc, break; case OP_VAR_VALUE: - gen_var_ref (ax->gdbarch, ax, value, (*pc)[2].symbol); + gen_var_ref (ax, value, (*pc)[2].symbol); if (value->optimized_out) error (_("`%s' has been optimized out, cannot use"), @@ -2185,7 +2181,7 @@ gen_expr (struct expression *exp, union exp_element **pc, if (!sym) error (_("no `%s' found"), lang->la_name_of_this); - gen_var_ref (ax->gdbarch, ax, value, sym); + gen_var_ref (ax, value, sym); if (value->optimized_out) error (_("`%s' has been optimized out, cannot use"), @@ -2386,7 +2382,7 @@ gen_trace_for_var (CORE_ADDR scope, struct gdbarch *gdbarch, ax->tracing = 1; ax->trace_string = trace_string; - gen_var_ref (gdbarch, ax.get (), &value, var); + gen_var_ref (ax.get (), &value, var); /* If there is no actual variable to trace, flag it by returning an empty agent expression. */ @@ -2394,7 +2390,7 @@ gen_trace_for_var (CORE_ADDR scope, struct gdbarch *gdbarch, return agent_expr_up (); /* Make sure we record the final object, and get rid of it. */ - gen_traced_pop (gdbarch, ax.get (), &value); + gen_traced_pop (ax.get (), &value); /* Oh, and terminate. */ ax_simple (ax.get (), aop_end); @@ -2425,7 +2421,7 @@ gen_trace_for_expr (CORE_ADDR scope, struct expression *expr, gen_expr (expr, &pc, ax.get (), &value); /* Make sure we record the final object, and get rid of it. */ - gen_traced_pop (expr->gdbarch, ax.get (), &value); + gen_traced_pop (ax.get (), &value); /* Oh, and terminate. */ ax_simple (ax.get (), aop_end); @@ -2473,7 +2469,7 @@ gen_trace_for_return_address (CORE_ADDR scope, struct gdbarch *gdbarch, gdbarch_gen_return_address (gdbarch, ax.get (), &value, scope); /* Make sure we record the final object, and get rid of it. */ - gen_traced_pop (gdbarch, ax.get (), &value); + gen_traced_pop (ax.get (), &value); /* Oh, and terminate. */ ax_simple (ax.get (), aop_end); diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c index d33c83e..927d950 100644 --- a/gdb/dwarf2loc.c +++ b/gdb/dwarf2loc.c @@ -3018,10 +3018,11 @@ get_ax_pc (void *baton) void dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, - struct gdbarch *arch, unsigned int addr_size, - const gdb_byte *op_ptr, const gdb_byte *op_end, + unsigned int addr_size, const gdb_byte *op_ptr, + const gdb_byte *op_end, struct dwarf2_per_cu_data *per_cu) { + gdbarch *arch = expr->gdbarch; int i; std::vector<int> dw_labels, patches; const gdb_byte * const base = op_ptr; @@ -3297,7 +3298,7 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, &datastart, &datalen); op_ptr = safe_read_sleb128 (op_ptr, op_end, &offset); - dwarf2_compile_expr_to_ax (expr, loc, arch, addr_size, datastart, + dwarf2_compile_expr_to_ax (expr, loc, addr_size, datastart, datastart + datalen, per_cu); if (loc->kind == axs_lvalue_register) require_rvalue (expr, loc); @@ -3523,8 +3524,8 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, { /* Another expression. */ ax_const_l (expr, text_offset); - dwarf2_compile_expr_to_ax (expr, loc, arch, addr_size, - cfa_start, cfa_end, per_cu); + dwarf2_compile_expr_to_ax (expr, loc, addr_size, cfa_start, + cfa_end, per_cu); } loc->kind = axs_lvalue_memory; @@ -3648,9 +3649,8 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, /* DW_OP_call_ref is currently not supported. */ gdb_assert (block.per_cu == per_cu); - dwarf2_compile_expr_to_ax (expr, loc, arch, addr_size, - block.data, block.data + block.size, - per_cu); + dwarf2_compile_expr_to_ax (expr, loc, addr_size, block.data, + block.data + block.size, per_cu); } break; @@ -4407,8 +4407,8 @@ locexpr_describe_location (struct symbol *symbol, CORE_ADDR addr, any necessary bytecode in AX. */ static void -locexpr_tracepoint_var_ref (struct symbol *symbol, struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value) +locexpr_tracepoint_var_ref (struct symbol *symbol, struct agent_expr *ax, + struct axs_value *value) { struct dwarf2_locexpr_baton *dlbaton = (struct dwarf2_locexpr_baton *) SYMBOL_LOCATION_BATON (symbol); @@ -4417,9 +4417,8 @@ locexpr_tracepoint_var_ref (struct symbol *symbol, struct gdbarch *gdbarch, if (dlbaton->size == 0) value->optimized_out = 1; else - dwarf2_compile_expr_to_ax (ax, value, gdbarch, addr_size, - dlbaton->data, dlbaton->data + dlbaton->size, - dlbaton->per_cu); + dwarf2_compile_expr_to_ax (ax, value, addr_size, dlbaton->data, + dlbaton->data + dlbaton->size, dlbaton->per_cu); } /* symbol_computed_ops 'generate_c_location' method. */ @@ -4615,8 +4614,8 @@ loclist_describe_location (struct symbol *symbol, CORE_ADDR addr, /* Describe the location of SYMBOL as an agent value in VALUE, generating any necessary bytecode in AX. */ static void -loclist_tracepoint_var_ref (struct symbol *symbol, struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value) +loclist_tracepoint_var_ref (struct symbol *symbol, struct agent_expr *ax, + struct axs_value *value) { struct dwarf2_loclist_baton *dlbaton = (struct dwarf2_loclist_baton *) SYMBOL_LOCATION_BATON (symbol); @@ -4628,7 +4627,7 @@ loclist_tracepoint_var_ref (struct symbol *symbol, struct gdbarch *gdbarch, if (size == 0) value->optimized_out = 1; else - dwarf2_compile_expr_to_ax (ax, value, gdbarch, addr_size, data, data + size, + dwarf2_compile_expr_to_ax (ax, value, addr_size, data, data + size, dlbaton->per_cu); } diff --git a/gdb/dwarf2loc.h b/gdb/dwarf2loc.h index 9063b6e..db026d3e 100644 --- a/gdb/dwarf2loc.h +++ b/gdb/dwarf2loc.h @@ -270,7 +270,6 @@ extern const struct symbol_block_ops dwarf2_block_frame_base_loclist_funcs; extern void dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc, - struct gdbarch *arch, unsigned int addr_size, const gdb_byte *op_ptr, const gdb_byte *op_end, diff --git a/gdb/symtab.h b/gdb/symtab.h index 341deca..30d7eee 100644 --- a/gdb/symtab.h +++ b/gdb/symtab.h @@ -663,8 +663,8 @@ struct symbol_computed_ops the caller will generate the right code in the process of treating this as an lvalue or rvalue. */ - void (*tracepoint_var_ref) (struct symbol *symbol, struct gdbarch *gdbarch, - struct agent_expr *ax, struct axs_value *value); + void (*tracepoint_var_ref) (struct symbol *symbol, struct agent_expr *ax, + struct axs_value *value); /* Generate C code to compute the location of SYMBOL. The C code is emitted to STREAM. GDBARCH is the current architecture and PC is |