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Remove dwarf2_per_cu_data::text_offset

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This method simply returns the text offset of the objfile associated to
the dwarf2_per_cu_data object.  Since dwarf2_per_cu_data objects are
going to become objfile-independent, we can't keep this method.  This
patch removes it.

Existing callers need to figure out the in the context of which objfile
this is being used, and call text_offset on it.  Typically, this comes
from a symbol baton, where we store the corresponding
dwarf2_per_objfile.

gdb/ChangeLog:

	* dwarf2/read.h (struct dwarf2_per_cu_data) <text_offset>:
	Remove.
	* dwarf2/read.c (dwarf2_per_cu_data::text_offset): Remove.
	* dwarf2/loc.c (dwarf2_find_location_expression): Update.
	(dwarf2_compile_property_to_c): Update.
	(dwarf2_compile_expr_to_ax): Add dwarf2_per_objfile parameter,
	use text offset from objfile.
	(locexpr_tracepoint_var_ref): Update.
	(locexpr_generate_c_location): Update.
	(loclist_describe_location): Update.
	(loclist_tracepoint_var_ref): Update.
	* dwarf2/compile.h (compile_dwarf_bounds_to_c): Add
	dwarf2_per_objfile parameter.
	* dwarf2/loc2c.c (do_compile_dwarf_expr_to_c): Likewise,
	use text offset from objfile.
	(compile_dwarf_expr_to_c): Add dwarf2_per_objfile parameter.

Change-Id: I56b01ba294733362a3562426a96d48ae051a776f
This commit is contained in:
Simon Marchi 2020-05-27 11:14:01 -04:00
parent 89b07335fe
commit 4b167ea1a0
6 changed files with 63 additions and 39 deletions
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13
gdb/compile/compile.h
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@ -21,6 +21,7 @@
struct ui_file;
struct gdbarch;
struct dwarf2_per_cu_data;
struct dwarf2_per_objfile;
struct symbol;
struct dynamic_prop;
@ -53,6 +54,9 @@ extern void eval_compile_command (struct command_line *cmd,
OPT_PTR and OP_END are the bounds of the DWARF expression.
PER_CU is the per-CU object used for looking up various other
things.
PER_OBJFILE is the per-objfile object also used for looking up various other
things. */
extern void compile_dwarf_expr_to_c (string_file *stream,
@ -64,7 +68,8 @@ extern void compile_dwarf_expr_to_c (string_file *stream,
unsigned int addr_size,
const gdb_byte *op_ptr,
const gdb_byte *op_end,
struct dwarf2_per_cu_data *per_cu);
dwarf2_per_cu_data *per_cu,
dwarf2_per_objfile *per_objfile);
/* Compile a DWARF bounds expression to C, suitable for use by the
compiler.
@ -88,6 +93,9 @@ extern void compile_dwarf_expr_to_c (string_file *stream,
OPT_PTR and OP_END are the bounds of the DWARF expression.
PER_CU is the per-CU object used for looking up various other
things.
PER_OBJFILE is the per-objfile object also used for looking up various other
things. */
extern void compile_dwarf_bounds_to_c (string_file *stream,
@ -99,7 +107,8 @@ extern void compile_dwarf_bounds_to_c (string_file *stream,
unsigned int addr_size,
const gdb_byte *op_ptr,
const gdb_byte *op_end,
struct dwarf2_per_cu_data *per_cu);
dwarf2_per_cu_data *per_cu,
dwarf2_per_objfile *per_objfile);
extern void compile_print_value (struct value *val, void *data_voidp);