FreeChainXenon/binutils-gdb
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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
Download patch file Download diff file Expand all files Collapse all files

19
gdb/dwarf2-frame.c
View file

@ -156,7 +156,7 @@ static int dwarf2_frame_adjust_regnum (struct gdbarch *gdbarch, int regnum,
int eh_frame_p);
static CORE_ADDR read_encoded_value (struct comp_unit *unit, gdb_byte encoding,
int ptr_len, gdb_byte *buf,
int ptr_len, const gdb_byte *buf,
unsigned int *bytes_read_ptr,
CORE_ADDR func_base);
@ -179,7 +179,7 @@ struct dwarf2_frame_state
CFA_REG_OFFSET,
CFA_EXP
} cfa_how;
gdb_byte *cfa_exp;
const gdb_byte *cfa_exp;
/* Used to implement DW_CFA_remember_state. */
struct dwarf2_frame_state_reg_info *prev;
@ -306,7 +306,7 @@ read_mem (void *baton, gdb_byte *buf, CORE_ADDR addr, size_t len)
}
static void
no_get_frame_base (void *baton, gdb_byte **start, size_t *length)
no_get_frame_base (void *baton, const gdb_byte **start, size_t *length)
{
internal_error (__FILE__, __LINE__,
_("Support for DW_OP_fbreg is unimplemented"));
@ -359,7 +359,7 @@ register %s (#%d) at %s"),
}
static CORE_ADDR
execute_stack_op (gdb_byte *exp, ULONGEST len, int addr_size,
execute_stack_op (const gdb_byte *exp, ULONGEST len, int addr_size,
struct frame_info *this_frame, CORE_ADDR initial,
int initial_in_stack_memory)
{
@ -400,8 +400,8 @@ execute_stack_op (gdb_byte *exp, ULONGEST len, int addr_size,
static void
execute_cfa_program (struct dwarf2_fde *fde, gdb_byte *insn_ptr,
gdb_byte *insn_end, struct frame_info *this_frame,
execute_cfa_program (struct dwarf2_fde *fde, const gdb_byte *insn_ptr,
const gdb_byte *insn_end, struct frame_info *this_frame,
struct dwarf2_frame_state *fs)
{
int eh_frame_p = fde->eh_frame_p;
@ -1411,7 +1411,8 @@ encoding_for_size (unsigned int size)
static CORE_ADDR
read_encoded_value (struct comp_unit *unit, gdb_byte encoding,
int ptr_len, gdb_byte *buf, unsigned int *bytes_read_ptr,
int ptr_len, const gdb_byte *buf,
unsigned int *bytes_read_ptr,
CORE_ADDR func_base)
{
ptrdiff_t offset;
@ -1468,7 +1469,7 @@ read_encoded_value (struct comp_unit *unit, gdb_byte encoding,
case DW_EH_PE_uleb128:
{
ULONGEST value;
gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
const gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
*bytes_read_ptr += read_uleb128 (buf, end_buf, &value) - buf;
return base + value;
@ -1485,7 +1486,7 @@ read_encoded_value (struct comp_unit *unit, gdb_byte encoding,
case DW_EH_PE_sleb128:
{
LONGEST value;
gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
const gdb_byte *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
*bytes_read_ptr += read_sleb128 (buf, end_buf, &value) - buf;
return base + value;