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* dwarf2loc.c (dwarf_expr_frame_base): Constify.

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(dwarf_expr_frame_base_1): Likewise.
	(read_pieced_value): Update.
	(needs_frame_frame_base): Constify.
	(dwarf2_tracepoint_var_loc): Likewise.
	(dwarf2_tracepoint_var_access): Likewise.
	(locexpr_describe_location_piece): Likewise.
	(locexpr_describe_location_1): Likewise.
	* dwarf2expr.h (struct dwarf_expr_context) <get_frame_base>:
	Constify.
	(data): Now const.
	(struct dwarf_expr_piece) <v.literal.data>: Likewise.
	(dwarf_expr_eval, read_uleb128, read_sleb128)
	(dwarf2_read_address): Update.
	* dwarf2expr.c (dwarf_expr_eval): Constify.
	(read_uleb128): Likewise.
	(read_sleb128): Likewise.
	(dwarf2_read_address): Likewise.
	(require_composition): Likewise.
	(execute_stack_op): Likewise.
	* dwarf2-frame.h (struct dwarf2_frame_state_reg) <loc.exp>: Now a
	"const gdb_byte *".
	* dwarf2-frame.c (struct dwarf2_frame_state_reg_info) <cfa_exp>:
	Now const.
	(no_get_frame_base): Constify.
	(execute_stack_op): Likewise.
	(execute_cfa_program): Likewise.
	(read_encoded_value): Likewise.
This commit is contained in:
Tom Tromey
2010-05-25 16:41:46 +00:00
parent e34838f0f7
commit 0d45f56e47
6 changed files with 85 additions and 47 deletions
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18
gdb/dwarf2expr.h
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@@ -88,7 +88,7 @@ struct dwarf_expr_context
/* Return the location expression for the frame base attribute, in
START and LENGTH. The result must be live until the current
expression evaluation is complete. */
void (*get_frame_base) (void *baton, gdb_byte **start, size_t *length);
void (*get_frame_base) (void *baton, const gdb_byte **start, size_t *length);
/* Return the CFA for the frame. */
CORE_ADDR (*get_frame_cfa) (void *baton);
@@ -121,7 +121,7 @@ struct dwarf_expr_context
/* For VALUE_LITERAL, a the current literal value's length and
data. */
ULONGEST len;
gdb_byte *data;
const gdb_byte *data;
/* Initialization status of variable: Non-zero if variable has been
initialized; zero otherwise. */
@@ -175,7 +175,7 @@ struct dwarf_expr_piece
{
/* A pointer to the data making up this piece, for literal
pieces. */
gdb_byte *data;
const gdb_byte *data;
/* The length of the available data. */
ULONGEST length;
} literal;
@@ -195,15 +195,17 @@ struct cleanup *
void dwarf_expr_push (struct dwarf_expr_context *ctx, CORE_ADDR value,
int in_stack_memory);
void dwarf_expr_pop (struct dwarf_expr_context *ctx);
void dwarf_expr_eval (struct dwarf_expr_context *ctx, unsigned char *addr,
void dwarf_expr_eval (struct dwarf_expr_context *ctx, const gdb_byte *addr,
size_t len);
CORE_ADDR dwarf_expr_fetch (struct dwarf_expr_context *ctx, int n);
int dwarf_expr_fetch_in_stack_memory (struct dwarf_expr_context *ctx, int n);
gdb_byte *read_uleb128 (gdb_byte *buf, gdb_byte *buf_end, ULONGEST * r);
gdb_byte *read_sleb128 (gdb_byte *buf, gdb_byte *buf_end, LONGEST * r);
CORE_ADDR dwarf2_read_address (struct gdbarch *gdbarch, gdb_byte *buf,
gdb_byte *buf_end, int addr_size);
const gdb_byte *read_uleb128 (const gdb_byte *buf, const gdb_byte *buf_end,
ULONGEST * r);
const gdb_byte *read_sleb128 (const gdb_byte *buf, const gdb_byte *buf_end,
LONGEST * r);
CORE_ADDR dwarf2_read_address (struct gdbarch *gdbarch, const gdb_byte *buf,
const gdb_byte *buf_end, int addr_size);
#endif /* dwarf2expr.h */