Display @entry parameter values (without references).
* dwarf2expr.c (dwarf_block_to_fb_offset, dwarf_block_to_sp_offset):
New functions.
* dwarf2expr.h (dwarf_block_to_fb_offset, dwarf_block_to_sp_offset):
New declarations.
* dwarf2loc.c (dwarf2_find_location_expression): Support location list
entry record.
(dwarf_entry_parameter_to_value, value_of_dwarf_reg_entry)
(value_of_dwarf_block_entry, locexpr_read_variable_at_entry): New
functions.
(dwarf2_locexpr_funcs): Install locexpr_read_variable_at_entry.
(loclist_read_variable_at_entry): New function.
(dwarf2_loclist_funcs): Install loclist_read_variable_at_entry.
* dwarf2read.c (read_call_site_scope): Support also DW_OP_fbreg in
DW_AT_location, call dwarf_block_to_sp_offset for it.
* frame.h (print_entry_values_no, print_entry_values_only)
(print_entry_values_preferred, print_entry_values_if_needed)
(print_entry_values_both, print_entry_values_compact)
(print_entry_values_default, print_entry_values): New declarations.
(struct frame_arg): New field entry_kind.
(read_frame_arg): New parameter entryargp.
* mi/mi-cmd-stack.c (list_arg_or_local): New gdb_assert for
arg->entry_kind. Optionally print the `@entry' suffix.
(list_args_or_locals): New variable entryarg, initialize it.
Initialize also entry_kind of arg and entryarg. Conditionalize
list_arg_or_local for arg, add list_arg_or_local for entryarg. Call
xfree for entryarg.error.
* stack.c (print_entry_values_no, print_entry_values_only)
(print_entry_values_preferred, print_entry_values_if_needed)
(print_entry_values_both, print_entry_values_compact)
(print_entry_values_default, print_entry_values_choices)
(print_entry_values): New variables.
(print_frame_arg): New gdb_assert for arg->entry_kind. Optionally
print the `@entry' suffix, possibly in combination for
print_entry_values_compact.
(read_frame_arg): New parameter entryargp, new variables entryval,
entryval_error and val_equal. Read in also entryargp, respect
print_entry_values, compare the values using val_equal, fill in also
argp->entry_kind (together with entryargp->entry_kind).
(print_frame_args): New variable entryarg, initialize it.
Conditionalize print_frame_arg for arg, add print_frame_arg for
entryarg. Call xfree for entryarg.error.
(_initialize_stack): Call add_setshow_enum_cmd for `entry-values'.
* symtab.h (struct symbol_computed_ops): New field
read_variable_at_entry.
gdb/doc/
Display @entry parameter values (without references).
* gdb.texinfo (Tail Call Frames): Add anchor. Add self tail call
example.
(Print Settings): New description of set print entry-values and show
print entry-values.
gdb/testsuite/
Display @entry parameter values (without references).
* gdb.arch/amd64-entry-value.cc (locexpr, stacktest, data, data2)
(different, validity, invalid): New functions.
(main): Call them.
* gdb.arch/amd64-entry-value.exp: New breakpoints breakhere_locexpr,
stacktest, breakhere_stacktest, different, breakhere_different,
breakhere_validity and breakhere_invalid.
(entry: bt): Update for @entry.
(entry_locexpr: *, entry_stack: *, entry_equal: *, entry_different: *)
(entry_validity: *, entry_invalid: *): Many new tests.
* gdb.base/break.exp
(run until breakpoint set at small function, optimized file): Accept
also the @entry suffix.
* gdb.mi/Makefile.in (PROGS): Add mi2-amd64-entry-value.
* gdb.mi/mi2-amd64-entry-value.c: New files.
* gdb.mi/mi2-amd64-entry-value.exp: New files.
Implement basic support for DW_TAG_GNU_call_site.
* block.c: Include gdbtypes.h and exceptions.h.
(call_site_for_pc): New function.
* block.h (call_site_for_pc): New declaration.
* defs.h: Include hashtab.h.
(make_cleanup_htab_delete, core_addr_hash, core_addr_eq): New
declarations.
* dwarf2-frame.c (dwarf2_frame_ctx_funcs): Install
ctx_no_push_dwarf_reg_entry_value.
* dwarf2expr.c (read_uleb128, read_sleb128): Support R as NULL.
(dwarf_block_to_dwarf_reg): New function.
(execute_stack_op) <DW_OP_GNU_entry_value>: Implement it.
(ctx_no_push_dwarf_reg_entry_value): New function.
* dwarf2expr.h (struct dwarf_expr_context_funcs): New field
push_dwarf_reg_entry_value.
(ctx_no_push_dwarf_reg_entry_value, dwarf_block_to_dwarf_reg): New
declarations.
* dwarf2loc.c: Include gdbcmd.h.
(dwarf_expr_ctx_funcs): New forward declaration.
(entry_values_debug, show_entry_values_debug, call_site_to_target_addr)
(dwarf_expr_reg_to_entry_parameter)
(dwarf_expr_push_dwarf_reg_entry_value): New.
(dwarf_expr_ctx_funcs): Install dwarf_expr_push_dwarf_reg_entry_value.
(dwarf2_evaluate_loc_desc_full): Handle NO_ENTRY_VALUE_ERROR.
(needs_dwarf_reg_entry_value): New function.
(needs_frame_ctx_funcs): Install it.
(_initialize_dwarf2loc): New function.
* dwarf2loc.h (entry_values_debug): New declaration.
* dwarf2read.c (struct dwarf2_cu): New field call_site_htab.
(read_call_site_scope): New forward declaration.
(process_full_comp_unit): Copy call_site_htab.
(process_die): Support DW_TAG_GNU_call_site.
(read_call_site_scope): New function.
(dwarf2_get_pc_bounds): Support NULL HIGHPC.
(dwarf_tag_name): Support DW_TAG_GNU_call_site.
(cleanup_htab): Delete.
(write_psymtabs_to_index): Use make_cleanup_htab_delete instead of it.
* exceptions.h (enum errors): New NO_ENTRY_VALUE_ERROR.
* gdb-gdb.py (StructMainTypePrettyPrinter): Support
FIELD_LOC_KIND_DWARF_BLOCK.
* gdbtypes.h (enum field_loc_kind): New entry
FIELD_LOC_KIND_DWARF_BLOCK.
(struct main_type): New loc entry dwarf_block.
(struct call_site, FIELD_DWARF_BLOCK, SET_FIELD_DWARF_BLOCK)
(TYPE_FIELD_DWARF_BLOCK): New.
* python/py-type.c: Include dwarf2loc.h.
(check_types_equal): Support FIELD_LOC_KIND_DWARF_BLOCK. New
internal_error call on unknown FIELD_LOC_KIND.
* symtab.h (struct symtab): New field call_site_htab.
* utils.c (do_htab_delete_cleanup, make_cleanup_htab_delete)
(core_addr_hash, core_addr_eq): New functions.
gdb/testsuite/
Implement basic support for DW_TAG_GNU_call_site.
* gdb.arch/Makefile.in (EXECUTABLES): Add amd64-entry-value.
* gdb.arch/amd64-entry-value.cc: New file.
* gdb.arch/amd64-entry-value.exp: New file.
gdb/ChangeLog:
From Stephen Kitt <steve@sk2.org>
* breakpoint.c, breakpoint.h, cli/cli-dump.c, dwarf2expr.c,
gdbarch.c, gdbarch.sh, remote.c: Various spelling fixes.
gdb/testsuite/ChangeLog:
From Stephen Kitt <steve@sk2.org>
* gdb.base/help.exp: Adjust following some spelling corrections
in GDB.
* dwarf2expr.h (struct dwarf_value_location): Use ULONGEST as type
of stack values.
(struct dwarf_expr_piece): Rename "expr" member to "mem". Add new
"value" member.
(dwarf_expr_push): Change input type to ULONGEST.
(dwarf_expr_fetch): Change return type to ULONGEST.
(dwarf_expr_fetch_address): Add prototype.
(dwarf2_read_address): Remove prototype.
* dwarf2expr.c (dwarf_expr_push): Use ULONGEST as type of stack values.
Truncate stack values to ctx->addr_size bytes.
(dwarf_expr_fetch): Change return value to ULONGEST.
(dwarf_expr_fetch_address): New function.
(add_piece): Use dwarf_expr_fetch_address instead of dwarf_expr_fetch
when appropriate. Update for struct dwarf_expr_piece changes.
(dwarf2_read_address): Remove.
(unsigned_address_type): Remove.
(signed_address_type): Remove.
(execute_stack_op): Use dwarf_expr_fetch_address instead of
dwarf_expr_fetch when appropriate. Use ULONGEST as type of stack
values. Perform operations on ULONGEST instead of on GDB values,
sign-extending from ctx->addr_size bytes as needed. Read DW_OP_addr
values and DW_OP_deref results as unsigned integers.
* dwarf2loc.c (read_pieced_value): Update for struct dwarf_expr_piece
changes.
(write_pieced_value): Likewise.
(dwarf2_evaluate_loc_desc): Use dwarf_expr_fetch_address instead of
dwarf_expr_fetch when appropriate.
(compile_dwarf_to_ax): Read DW_OP_addr values as unsigned integers.
* dwarf2-frame.c (execute_stack_op): Use dwarf_expr_fetch_address
instead of dwarf_expr_fetch when appropriate.
testsuite/ChangeLog:
* gdb.cell/dwarfaddr.exp: New file.
* gdb.cell/dwarfaddr.S: New file.
* dbxread.c: White space.
* dcache.c: White space.
* disasm.c: White space.
* doublest.c: White space.
* dsrec.c: White space.
* dummy-frame.c: White space.
* dwarf2expr.c: White space.
* dwarf2-frame.c: White space.
* dwarf2loc.c: White space.
* dwarf2read.c: White space.
PR backtrace/10770:
* valarith.c (value_binop): Handle BINOP_GTR, BINOP_LEQ, and
BINOP_GEQ. Handle BINOP_NOTEQUAL in the signed case.
* dwarf2expr.c (new_dwarf_expr_context): Allocate
dwarf_stack_values, not CORE_ADDRs.
(execute_stack_op): Change DW_OP_div and comparison operators to
use signed operands.
gdb/testsuite
PR backtrace/10770:
* gdb.dwarf2/pr10770.exp: New file.
* gdb.dwarf2/pr10770.c: New file.
* gdb.dwarf2/Makefile.in (EXECUTABLES): Add pr10770.
enum values.
(struct dwarf_stack_value): New struct.
(struct dwarf_expr_context): Change type of `stack' from CORE_ADDR*
to struct dwarf_stack_value*.
(struct dwarf_expr_piece): Move `v.value' into its own struct, v.expr,
all uses updated. Add v.expr.in_stack_memory.
(dwarf_expr_push): Update declaration.
(dwarf_expr_fetch_in_stack_memory): Declare.
* dwarf2expr.c (dwarf_expr_grow_stack): Update calculation of
size of stack value.
(dwarf_expr_push): New arg in_stack_memory, all callers updated.
(dwarf_expr_fetch_in_stack_memory): New function.
(add_piece): Set in_stack_memory for non-literal values.
(execute_stack_op): Allow ops to specify whether the value is on the
program's stack.
(execute_stack_op, case DW_OP_fbreg): Mark value as in stack memory.
(execute_stack_op, case DW_OP_call_frame_cfa): Ditto.
(execute_stack_op, case DW_OP_dup): Copy in_stack_memory flag.
(execute_stack_op, cases DW_OP_pick, DW_OP_over): Ditto.
(execute_stack_op, cases DW_OP_swap, DW_OP_rot): Update type of
dwarf stack value.
* dwarf2loc.c (read_pieced_value): Call read_stack for values known
to be on the program's stack.
(dwarf2_evaluate_loc_desc, case DWARF_VALUE_MEMORY): Call
set_value_stack only for objects known to be in stack memory.
* dwarf2-frame.c (execute_stack_op): New arg initial_in_stack_memory,
all callers updated.
* frame.h (frame_unwinder_is): Declare.
* frame.c (frame_unwinder_is): New function.
* dwarf2loc.c: Include dwarf2-frame.h.
(dwarf_expr_frame_cfa): New function.
(dwarf2_evaluate_loc_desc): Use it.
(needs_frame_frame_cfa): New function.
(dwarf2_loc_desc_needs_frame): Use it.
* dwarf2expr.h (struct dwarf_expr_context) <get_frame_cfa>: New
field.
* dwarf2expr.c (execute_stack_op) <DW_OP_call_frame_cfa>: New
case.
* dwarf2-frame.h (dwarf2_frame_cfa): Declare.
* dwarf2-frame.c (no_get_frame_cfa): New function.
(execute_stack_op): Use it.
(dwarf2_frame_cfa): New function.
gdb/testsuite
* gdb.dwarf2/callframecfa.exp: New file.
* gdb.dwarf2/callframecfa.S: New file.
* dwarf2expr.c: New include "gdb_assert.h".
(new_dwarf_expr_context): Initialize MAX_RECURSION_DEPTH.
(dwarf_expr_eval): Sanity check the RECURSION_DEPTH count.
(execute_stack_op): Error out on too large RECURSION_DEPTH.
Increase/decrease RECURSION_DEPTH around the function.
