Make dwarf_stack_value::in_stack_memory a bool
Replace int with bool, because that's what it is. gdb/ChangeLog: * dwarf2expr.h (dwarf_expr_piece) <v.mem.in_stack_memory>: Change type to bool. (dwarf_stack_value) <in_stack_memory>: Likewise. (dwarf_expr_context) <push_address>: Change parameter type to bool. <fetch_in_stack_memory>: Change return type to bool. <push>: Change parameter type to bool. * dwarf2expr.c (dwarf_expr_context::push): Change parameter type to bool. (dwarf_expr_context::push_address): Likewise. (dwarf_expr_context::fetch_in_stack_memory): Change return type to bool. (dwarf_expr_context::execute_stack_op): Adjust. * dwarf2loc.c (dwarf2_evaluate_loc_desc_full): Adjust.
This commit is contained in:
Simon Marchi
parent
1e46716193
commit
690098826e
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@ -1,3 +1,20 @@
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2017-09-14 Simon Marchi <simon.marchi@ericsson.com>
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* dwarf2expr.h (dwarf_expr_piece) <v.mem.in_stack_memory>:
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Change type to bool.
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(dwarf_stack_value) <in_stack_memory>: Likewise.
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(dwarf_expr_context) <push_address>: Change parameter type to
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bool.
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<fetch_in_stack_memory>: Change return type to bool.
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<push>: Change parameter type to bool.
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* dwarf2expr.c (dwarf_expr_context::push): Change parameter type
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to bool.
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(dwarf_expr_context::push_address): Likewise.
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(dwarf_expr_context::fetch_in_stack_memory): Change return type
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to bool.
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(dwarf_expr_context::execute_stack_op): Adjust.
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* dwarf2loc.c (dwarf2_evaluate_loc_desc_full): Adjust.
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2017-09-14 Simon Marchi <simon.marchi@ericsson.com>
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* dwarf2expr.h (struct dwarf_expr_piece): Move up.
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@ -130,7 +130,7 @@ dwarf_expr_context::grow_stack (size_t need)
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/* Push VALUE onto the stack. */
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void
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dwarf_expr_context::push (struct value *value, int in_stack_memory)
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dwarf_expr_context::push (struct value *value, bool in_stack_memory)
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{
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struct dwarf_stack_value *v;
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@ -143,7 +143,7 @@ dwarf_expr_context::push (struct value *value, int in_stack_memory)
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/* Push VALUE onto the stack. */
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void
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dwarf_expr_context::push_address (CORE_ADDR value, int in_stack_memory)
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dwarf_expr_context::push_address (CORE_ADDR value, bool in_stack_memory)
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{
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push (value_from_ulongest (address_type (), value), in_stack_memory);
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}
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@ -260,7 +260,7 @@ dwarf_expr_context::fetch_address (int n)
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/* Retrieve the in_stack_memory flag of the N'th item on the stack. */
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int
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bool
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dwarf_expr_context::fetch_in_stack_memory (int n)
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{
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if (this->stack_len <= n)
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@ -599,12 +599,12 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
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enum dwarf_location_atom op = (enum dwarf_location_atom) *op_ptr++;
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ULONGEST result;
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/* Assume the value is not in stack memory.
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Code that knows otherwise sets this to 1.
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Code that knows otherwise sets this to true.
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Some arithmetic on stack addresses can probably be assumed to still
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be a stack address, but we skip this complication for now.
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This is just an optimization, so it's always ok to punt
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and leave this as 0. */
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int in_stack_memory = 0;
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and leave this as false. */
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bool in_stack_memory = false;
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uint64_t uoffset, reg;
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int64_t offset;
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struct value *result_val = NULL;
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@ -897,7 +897,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
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"base using explicit value operator"));
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result = result + offset;
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result_val = value_from_ulongest (address_type, result);
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in_stack_memory = 1;
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in_stack_memory = true;
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this->stack_len = before_stack_len;
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this->location = DWARF_VALUE_MEMORY;
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}
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@ -1187,7 +1187,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
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case DW_OP_call_frame_cfa:
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result = this->get_frame_cfa ();
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result_val = value_from_ulongest (address_type, result);
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in_stack_memory = 1;
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in_stack_memory = true;
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break;
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case DW_OP_GNU_push_tls_address:
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@ -62,7 +62,7 @@ struct dwarf_expr_piece
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CORE_ADDR addr;
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/* Non-zero if the piece is known to be in memory and on
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the program's stack. */
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int in_stack_memory;
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bool in_stack_memory;
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} mem;
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/* The piece's register number, for DWARF_VALUE_REGISTER pieces. */
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@ -102,12 +102,11 @@ struct dwarf_stack_value
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{
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struct value *value;
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/* Non-zero if the piece is in memory and is known to be
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on the program's stack. It is always ok to set this to zero.
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This is used, for example, to optimize memory access from the target.
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It can vastly speed up backtraces on long latency connections when
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"set stack-cache on". */
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int in_stack_memory;
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/* True if the piece is in memory and is known to be on the program's stack.
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It is always ok to set this to zero. This is used, for example, to
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optimize memory access from the target. It can vastly speed up backtraces
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on long latency connections when "set stack-cache on". */
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bool in_stack_memory;
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};
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/* The expression evaluator works with a dwarf_expr_context, describing
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@ -117,11 +116,11 @@ struct dwarf_expr_context
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dwarf_expr_context ();
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virtual ~dwarf_expr_context ();
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void push_address (CORE_ADDR value, int in_stack_memory);
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void push_address (CORE_ADDR value, bool in_stack_memory);
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void eval (const gdb_byte *addr, size_t len);
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struct value *fetch (int n);
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CORE_ADDR fetch_address (int n);
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int fetch_in_stack_memory (int n);
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bool fetch_in_stack_memory (int n);
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/* The stack of values, allocated with xmalloc. */
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struct dwarf_stack_value *stack;
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@ -251,7 +250,7 @@ private:
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struct type *address_type () const;
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void grow_stack (size_t need);
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void push (struct value *value, int in_stack_memory);
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void push (struct value *value, bool in_stack_memory);
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int stack_empty_p () const;
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void add_piece (ULONGEST size, ULONGEST offset);
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void execute_stack_op (const gdb_byte *op_ptr, const gdb_byte *op_end);
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@ -2441,7 +2441,7 @@ dwarf2_evaluate_loc_desc_full (struct type *type, struct frame_info *frame,
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{
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struct type *ptr_type;
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CORE_ADDR address = ctx.fetch_address (0);
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int in_stack_memory = ctx.fetch_in_stack_memory (0);
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bool in_stack_memory = ctx.fetch_in_stack_memory (0);
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/* DW_OP_deref_size (and possibly other operations too) may
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create a pointer instead of an address. Ideally, the
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