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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.
This commit is contained in:
Jan Kratochvil
2011-10-09 19:34:19 +00:00
parent 93d86cefdf
commit e18b27534c
18 changed files with 1088 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
gdb/testsuite/gdb.arch/amd64-entry-value.cc
View File

@ -34,6 +34,13 @@ asm ("breakhere:");
e (v, v);
}
static void __attribute__((noinline, noclone))
locexpr (int i)
{
i = i;
asm ("breakhere_locexpr:");
}
static void __attribute__((noinline, noclone))
c (int i, double j)
{
@ -114,10 +121,68 @@ self (int i)
}
}
static void __attribute__((noinline, noclone))
stacktest (int r1, int r2, int r3, int r4, int r5, int r6, int s1, int s2,
double d1, double d2, double d3, double d4, double d5, double d6,
double d7, double d8, double d9, double da)
{
s1 = 3;
s2 = 4;
d9 = 3.5;
da = 4.5;
e (v, v);
asm ("breakhere_stacktest:");
e (v, v);
}
static int __attribute__((noinline, noclone))
data (void)
{
return 10;
}
static int __attribute__((noinline, noclone))
data2 (void)
{
return 20;
}
static int __attribute__((noinline, noclone))
different (int val)
{
val++;
e (val, val);
asm ("breakhere_different:");
return val;
}
static int __attribute__((noinline, noclone))
validity (int lost, int born)
{
lost = data ();
e (0, 0.0);
asm ("breakhere_validity:");
return born;
}
static void __attribute__((noinline, noclone))
invalid (int inv)
{
e (0, 0.0);
asm ("breakhere_invalid:");
}
int
main ()
{
d (30, 30.5);
locexpr (30);
stacktest (1, 2, 3, 4, 5, 6, 11, 12,
1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 11.5, 12.5);
different (5);
validity (5, data ());
invalid (data2 ());
if (v)
a (1, 1.25);
else