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DWARF-5: call sites 

this patch updates all call sites related DWARF-5 renames.

gdb/ChangeLog
2017-02-20  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* block.c (call_site_for_pc): Rename DW_OP_GNU_*, DW_TAG_GNU_* and
	DW_AT_GNU_*.
	* common/common-exceptions.h (enum errors): Likewise.
	* dwarf2-frame.c (class dwarf_expr_executor): Likewise.
	* dwarf2expr.c (dwarf_block_to_dwarf_reg)
	(dwarf_expr_context::execute_stack_op): Likewise.
	* dwarf2expr.h (struct dwarf_expr_context, struct dwarf_expr_piece):
	Likewise.
	* dwarf2loc.c (dwarf_evaluate_loc_desc::get_base_type)
	(dwarf_evaluate_loc_desc::push_dwarf_reg_entry_value)
	(show_entry_values_debug, call_site_to_target_addr)
	(func_addr_to_tail_call_list, func_verify_no_selftailcall)
	(dwarf_expr_reg_to_entry_parameter, dwarf_entry_parameter_to_value)
	(entry_data_value_free_closure, value_of_dwarf_reg_entry)
	(value_of_dwarf_block_entry, indirect_pieced_value)
	(symbol_needs_eval_context::push_dwarf_reg_entry_value):
	(disassemble_dwarf_expression): Likewise.
	* dwarf2read.c (process_die, inherit_abstract_dies)
	(read_call_site_scope): Likewise.
	* gdbtypes.h (struct func_type, struct call_site_parameter)
	(struct call_site): Likewise.
	* stack.c (read_frame_arg): Likewise.
	* std-operator.def (OP_VAR_ENTRY_VALUE): Likewise.

gdb/doc/ChangeLog
2017-02-20  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.texinfo (Print Settings, Tail Call Frames): Rename DW_OP_GNU_*,
	DW_TAG_GNU_* and DW_AT_GNU_*.

gdb/testsuite/ChangeLog
2017-02-20  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* gdb.arch/amd64-entry-value-param-dwarf5.S: New file.
	* gdb.arch/amd64-entry-value-param-dwarf5.c: New file.
	* gdb.arch/amd64-entry-value-param-dwarf5.exp: New file.
	* gdb.arch/amd64-entry-value.exp: Rename DW_OP_GNU_*, DW_TAG_GNU_* and
	DW_AT_GNU_*.
This commit is contained in:
Jan Kratochvil 2017-02-20 20:53:21 +01:00
parent 43988095a5
commit 216f72a1ed
18 changed files with 965 additions and 100 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
gdb/ChangeLog
View File

@ -1,3 +1,29 @@
2017-02-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* block.c (call_site_for_pc): Rename DW_OP_GNU_*, DW_TAG_GNU_* and
DW_AT_GNU_*.
* common/common-exceptions.h (enum errors): Likewise.
* dwarf2-frame.c (class dwarf_expr_executor): Likewise.
* dwarf2expr.c (dwarf_block_to_dwarf_reg)
(dwarf_expr_context::execute_stack_op): Likewise.
* dwarf2expr.h (struct dwarf_expr_context, struct dwarf_expr_piece):
Likewise.
* dwarf2loc.c (dwarf_evaluate_loc_desc::get_base_type)
(dwarf_evaluate_loc_desc::push_dwarf_reg_entry_value)
(show_entry_values_debug, call_site_to_target_addr)
(func_addr_to_tail_call_list, func_verify_no_selftailcall)
(dwarf_expr_reg_to_entry_parameter, dwarf_entry_parameter_to_value)
(entry_data_value_free_closure, value_of_dwarf_reg_entry)
(value_of_dwarf_block_entry, indirect_pieced_value)
(symbol_needs_eval_context::push_dwarf_reg_entry_value):
(disassemble_dwarf_expression): Likewise.
* dwarf2read.c (process_die, inherit_abstract_dies)
(read_call_site_scope): Likewise.
* gdbtypes.h (struct func_type, struct call_site_parameter)
(struct call_site): Likewise.
* stack.c (read_frame_arg): Likewise.
* std-operator.def (OP_VAR_ENTRY_VALUE): Likewise.
2017-02-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* defs.h (read_unsigned_leb128): New declaration.

4
gdb/block.c
View File

@ -239,8 +239,8 @@ call_site_for_pc (struct gdbarch *gdbarch, CORE_ADDR pc)
/* DW_TAG_gnu_call_site will be missing just if GCC could not determine
the call target. */
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_OP_GNU_entry_value resolving cannot find "
"DW_TAG_GNU_call_site %s in %s"),
_("DW_OP_entry_value resolving cannot find "
"DW_TAG_call_site %s in %s"),
paddress (gdbarch, pc),
(msym.minsym == NULL ? "???"
: MSYMBOL_PRINT_NAME (msym.minsym)));

2
gdb/common/common-exceptions.h
View File

@ -87,7 +87,7 @@ enum errors {
means the register was not saved in the frame. */
OPTIMIZED_OUT_ERROR,
/* DW_OP_GNU_entry_value resolving failed. */
/* DW_OP_entry_value resolving failed. */
NO_ENTRY_VALUE_ERROR,
/* Target throwing an error has been closed. Current command should be

5
gdb/doc/ChangeLog
View File

@ -1,3 +1,8 @@
2017-02-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.texinfo (Print Settings, Tail Call Frames): Rename DW_OP_GNU_*,
DW_TAG_GNU_* and DW_AT_GNU_*.
2017-02-14 Tim Wiederhake <tim.wiederhake@intel.com>
* python.texi (Recordings In Python): New section.

10
gdb/doc/gdb.texinfo
View File

@ -9857,7 +9857,7 @@ this feature will behave in the @code{default} setting the same way as with the
@code{no} setting.
This functionality is currently supported only by DWARF 2 debugging format and
the compiler has to produce @samp{DW_TAG_GNU_call_site} tags. With
the compiler has to produce @samp{DW_TAG_call_site} tags. With
@value{NGCC}, you need to specify @option{-O -g} during compilation, to get
this information.
@ -12025,7 +12025,7 @@ some cases @value{GDBN} can determine that @code{C} was tail-called from
return address set up as if @code{B} called @code{C} normally.
This functionality is currently supported only by DWARF 2 debugging format and
the compiler has to produce @samp{DW_TAG_GNU_call_site} tags. With
the compiler has to produce @samp{DW_TAG_call_site} tags. With
@value{NGCC}, you need to specify @option{-O -g} during compilation, to get
this information.
@ -12078,8 +12078,8 @@ static void __attribute__((noinline, noclone)) a (void) @{ x++; @}
static void __attribute__((noinline, noclone)) c (void) @{ a (); @}
int main (void) @{ x (); return 0; @}
Breakpoint 1, DW_OP_GNU_entry_value resolving cannot find
DW_TAG_GNU_call_site 0x40039a in main
Breakpoint 1, DW_OP_entry_value resolving cannot find
DW_TAG_call_site 0x40039a in main
a () at t.c:3
3 static void __attribute__((noinline, noclone)) a (void) @{ x++; @}
(gdb) bt
@ -12155,7 +12155,7 @@ int main (void) @{ a (5); return 0; @}
(gdb) bt
#0 c (i=i@@entry=0) at t.c:2
#1 0x0000000000400428 in a (DW_OP_GNU_entry_value resolving has found
#1 0x0000000000400428 in a (DW_OP_entry_value resolving has found
function "a" at 0x400420 can call itself via tail calls
i=<optimized out>) at t.c:6
#2 0x000000000040036e in main () at t.c:7

2
gdb/dwarf2-frame.c
View File

@ -361,7 +361,7 @@ class dwarf_expr_executor : public dwarf_expr_context
union call_site_parameter_u kind_u,
int deref_size) OVERRIDE
{
invalid ("DW_OP_GNU_entry_value");
invalid ("DW_OP_entry_value");
}
CORE_ADDR get_object_address () OVERRIDE

23
gdb/dwarf2expr.c
View File

@ -423,7 +423,7 @@ dwarf_block_to_dwarf_reg (const gdb_byte *buf, const gdb_byte *buf_end)
return *buf - DW_OP_reg0;
}
if (*buf == DW_OP_GNU_regval_type)
if (*buf == DW_OP_regval_type || *buf == DW_OP_GNU_regval_type)
{
buf++;
buf = gdb_read_uleb128 (buf, buf_end, &dwarf_reg);
@ -805,12 +805,13 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
dwarf_expr_require_composition (op_ptr, op_end, "DW_OP_stack_value");
goto no_push;
case DW_OP_implicit_pointer:
case DW_OP_GNU_implicit_pointer:
{
int64_t len;
if (this->ref_addr_size == -1)
error (_("DWARF-2 expression error: DW_OP_GNU_implicit_pointer "
error (_("DWARF-2 expression error: DW_OP_implicit_pointer "
"is not allowed in frame context"));
/* The referred-to DIE of sect_offset kind. */
@ -825,7 +826,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
this->location = DWARF_VALUE_IMPLICIT_POINTER;
dwarf_expr_require_composition (op_ptr, op_end,
"DW_OP_GNU_implicit_pointer");
"DW_OP_implicit_pointer");
}
break;
@ -963,6 +964,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
case DW_OP_deref:
case DW_OP_deref_size:
case DW_OP_deref_type:
case DW_OP_GNU_deref_type:
{
int addr_size = (op == DW_OP_deref ? this->addr_size : *op_ptr++);
@ -972,7 +974,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
pop ();
if (op == DW_OP_GNU_deref_type)
if (op == DW_OP_deref_type || op == DW_OP_GNU_deref_type)
{
cu_offset type_die;
@ -1299,6 +1301,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
}
goto no_push;
case DW_OP_entry_value:
case DW_OP_GNU_entry_value:
{
uint64_t len;
@ -1307,7 +1310,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
op_ptr = safe_read_uleb128 (op_ptr, op_end, &len);
if (op_ptr + len > op_end)
error (_("DW_OP_GNU_entry_value: too few bytes available."));
error (_("DW_OP_entry_value: too few bytes available."));
kind_u.dwarf_reg = dwarf_block_to_dwarf_reg (op_ptr, op_ptr + len);
if (kind_u.dwarf_reg != -1)
@ -1332,7 +1335,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
goto no_push;
}
error (_("DWARF-2 expression error: DW_OP_GNU_entry_value is "
error (_("DWARF-2 expression error: DW_OP_entry_value is "
"supported only for single DW_OP_reg* "
"or for DW_OP_breg*(0)+DW_OP_deref*"));
}
@ -1350,6 +1353,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
}
goto no_push;
case DW_OP_const_type:
case DW_OP_GNU_const_type:
{
cu_offset type_die;
@ -1368,6 +1372,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
}
break;
case DW_OP_regval_type:
case DW_OP_GNU_regval_type:
{
cu_offset type_die;
@ -1382,7 +1387,9 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
}
break;
case DW_OP_convert:
case DW_OP_GNU_convert:
case DW_OP_reinterpret:
case DW_OP_GNU_reinterpret:
{
cu_offset type_die;
@ -1399,7 +1406,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
result_val = fetch (0);
pop ();
if (op == DW_OP_GNU_convert)
if (op == DW_OP_convert || op == DW_OP_GNU_convert)
result_val = value_cast (type, result_val);
else if (type == value_type (result_val))
{
@ -1407,7 +1414,7 @@ dwarf_expr_context::execute_stack_op (const gdb_byte *op_ptr,
}
else if (TYPE_LENGTH (type)
!= TYPE_LENGTH (value_type (result_val)))
error (_("DW_OP_GNU_reinterpret has wrong size"));
error (_("DW_OP_reinterpret has wrong size"));
else
result_val
= value_from_contents (type,

10
gdb/dwarf2expr.h
View File

@ -164,7 +164,7 @@ struct dwarf_expr_context
/* Return the PC for the frame. */
virtual CORE_ADDR get_frame_pc ()
{
error (_("%s is invalid in this context"), "DW_OP_GNU_implicit_pointer");
error (_("%s is invalid in this context"), "DW_OP_implicit_pointer");
}
/* Return the thread-local storage address for
@ -187,10 +187,10 @@ struct dwarf_expr_context
return builtin_type (this->gdbarch)->builtin_int;
}
/* Push on DWARF stack an entry evaluated for DW_TAG_GNU_call_site's
/* Push on DWARF stack an entry evaluated for DW_TAG_call_site's
parameter matching KIND and KIND_U at the caller of specified BATON.
If DEREF_SIZE is not -1 then use DW_AT_GNU_call_site_data_value instead of
DW_AT_GNU_call_site_value. */
If DEREF_SIZE is not -1 then use DW_AT_call_data_value instead of
DW_AT_call_value. */
virtual void push_dwarf_reg_entry_value (enum call_site_parameter_kind kind,
union call_site_parameter_u kind_u,
int deref_size) = 0;
@ -248,7 +248,7 @@ struct dwarf_expr_piece
/* Used for DWARF_VALUE_IMPLICIT_POINTER. */
struct
{
/* The referent DIE from DW_OP_GNU_implicit_pointer. */
/* The referent DIE from DW_OP_implicit_pointer. */
sect_offset die;
/* The byte offset into the resulting data. */
LONGEST offset;

59
gdb/dwarf2loc.c
View File

@ -588,9 +588,9 @@ class dwarf_evaluate_loc_desc : public dwarf_expr_context
{
struct type *result = dwarf2_get_die_type (die_offset, per_cu);
if (result == NULL)
error (_("Could not find type for DW_OP_GNU_const_type"));
error (_("Could not find type for DW_OP_const_type"));
if (size != 0 && TYPE_LENGTH (result) != size)
error (_("DW_OP_GNU_const_type has different sizes for type and data"));
error (_("DW_OP_const_type has different sizes for type and data"));
return result;
}
@ -640,7 +640,7 @@ class dwarf_evaluate_loc_desc : public dwarf_expr_context
/* DEREF_SIZE size is not verified here. */
if (data_src == NULL)
throw_error (NO_ENTRY_VALUE_ERROR,
_("Cannot resolve DW_AT_GNU_call_site_data_value"));
_("Cannot resolve DW_AT_call_data_value"));
scoped_restore save_frame = make_scoped_restore (&this->frame,
caller_frame);
@ -732,7 +732,7 @@ show_entry_values_debug (struct ui_file *file, int from_tty,
value);
}
/* Find DW_TAG_GNU_call_site's DW_AT_GNU_call_site_target address.
/* Find DW_TAG_call_site's DW_AT_call_target address.
CALLER_FRAME (for registers) can be NULL if it is not known. This function
always returns valid address or it throws NO_ENTRY_VALUE_ERROR. */
@ -757,8 +757,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
msym = lookup_minimal_symbol_by_pc (call_site->pc - 1);
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_AT_GNU_call_site_target is not specified "
"at %s in %s"),
_("DW_AT_call_target is not specified at %s in %s"),
paddress (call_site_gdbarch, call_site->pc),
(msym.minsym == NULL ? "???"
: MSYMBOL_PRINT_NAME (msym.minsym)));
@ -770,7 +769,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
msym = lookup_minimal_symbol_by_pc (call_site->pc - 1);
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_AT_GNU_call_site_target DWARF block resolving "
_("DW_AT_call_target DWARF block resolving "
"requires known frame which is currently not "
"available at %s in %s"),
paddress (call_site_gdbarch, call_site->pc),
@ -783,8 +782,7 @@ call_site_to_target_addr (struct gdbarch *call_site_gdbarch,
val = dwarf2_evaluate_loc_desc (caller_core_addr_type, caller_frame,
dwarf_block->data, dwarf_block->size,
dwarf_block->per_cu);
/* DW_AT_GNU_call_site_target is a DWARF expression, not a DWARF
location. */
/* DW_AT_call_target is a DWARF expression, not a DWARF location. */
if (VALUE_LVAL (val) == lval_memory)
return value_address (val);
else
@ -834,7 +832,7 @@ func_addr_to_tail_call_list (struct gdbarch *gdbarch, CORE_ADDR addr)
if (sym == NULL || BLOCK_START (SYMBOL_BLOCK_VALUE (sym)) != addr)
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_TAG_GNU_call_site resolving failed to find function "
_("DW_TAG_call_site resolving failed to find function "
"name for address %s"),
paddress (gdbarch, addr));
@ -892,7 +890,7 @@ func_verify_no_selftailcall (struct gdbarch *gdbarch, CORE_ADDR verify_addr)
msym = lookup_minimal_symbol_by_pc (verify_addr);
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_OP_GNU_entry_value resolving has found "
_("DW_OP_entry_value resolving has found "
"function \"%s\" at %s can call itself via tail "
"calls"),
(msym.minsym == NULL ? "???"
@ -1234,7 +1232,7 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
struct gdbarch *caller_gdbarch = frame_unwind_arch (frame);
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_OP_GNU_entry_value resolving callee gdbarch %s "
_("DW_OP_entry_value resolving callee gdbarch %s "
"(of %s (%s)) does not match caller gdbarch %s"),
gdbarch_bfd_arch_info (gdbarch)->printable_name,
paddress (gdbarch, func_addr),
@ -1248,7 +1246,7 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
struct bound_minimal_symbol msym
= lookup_minimal_symbol_by_pc (func_addr);
throw_error (NO_ENTRY_VALUE_ERROR, _("DW_OP_GNU_entry_value resolving "
throw_error (NO_ENTRY_VALUE_ERROR, _("DW_OP_entry_value resolving "
"requires caller of %s (%s)"),
paddress (gdbarch, func_addr),
(msym.minsym == NULL ? "???"
@ -1265,7 +1263,7 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
target_msym = lookup_minimal_symbol_by_pc (target_addr).minsym;
func_msym = lookup_minimal_symbol_by_pc (func_addr).minsym;
throw_error (NO_ENTRY_VALUE_ERROR,
_("DW_OP_GNU_entry_value resolving expects callee %s at %s "
_("DW_OP_entry_value resolving expects callee %s at %s "
"but the called frame is for %s at %s"),
(target_msym == NULL ? "???"
: MSYMBOL_PRINT_NAME (target_msym)),
@ -1289,10 +1287,10 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
struct minimal_symbol *msym
= lookup_minimal_symbol_by_pc (caller_pc).minsym;
/* DW_TAG_GNU_call_site_parameter will be missing just if GCC could not
/* DW_TAG_call_site_parameter will be missing just if GCC could not
determine its value. */
throw_error (NO_ENTRY_VALUE_ERROR, _("Cannot find matching parameter "
"at DW_TAG_GNU_call_site %s at %s"),
"at DW_TAG_call_site %s at %s"),
paddress (gdbarch, caller_pc),
msym == NULL ? "???" : MSYMBOL_PRINT_NAME (msym));
}
@ -1302,8 +1300,8 @@ dwarf_expr_reg_to_entry_parameter (struct frame_info *frame,
}
/* Return value for PARAMETER matching DEREF_SIZE. If DEREF_SIZE is -1, return
the normal DW_AT_GNU_call_site_value block. Otherwise return the
DW_AT_GNU_call_site_data_value (dereferenced) block.
the normal DW_AT_call_value block. Otherwise return the
DW_AT_call_data_value (dereferenced) block.
TYPE and CALLER_FRAME specify how to evaluate the DWARF block into returned
struct value.
@ -1327,9 +1325,9 @@ dwarf_entry_parameter_to_value (struct call_site_parameter *parameter,
/* DEREF_SIZE size is not verified here. */
if (data_src == NULL)
throw_error (NO_ENTRY_VALUE_ERROR,
_("Cannot resolve DW_AT_GNU_call_site_data_value"));
_("Cannot resolve DW_AT_call_data_value"));
/* DW_AT_GNU_call_site_value is a DWARF expression, not a DWARF
/* DW_AT_call_value is a DWARF expression, not a DWARF
location. Postprocessing of DWARF_VALUE_MEMORY would lose the type from
DWARF block. */
data = (gdb_byte *) alloca (size + 1);
@ -1380,7 +1378,7 @@ entry_data_value_free_closure (struct value *v)
/* Vector for methods for an entry value reference where the referenced value
is stored in the caller. On the first dereference use
DW_AT_GNU_call_site_data_value in the caller. */
DW_AT_call_data_value in the caller. */
static const struct lval_funcs entry_data_value_funcs =
{
@ -1395,7 +1393,7 @@ static const struct lval_funcs entry_data_value_funcs =
/* Read parameter of TYPE at (callee) FRAME's function entry. KIND and KIND_U
are used to match DW_AT_location at the caller's
DW_TAG_GNU_call_site_parameter.
DW_TAG_call_site_parameter.
Function always returns non-NULL value. It throws NO_ENTRY_VALUE_ERROR if it
cannot resolve the parameter for any reason. */
@ -1419,7 +1417,7 @@ value_of_dwarf_reg_entry (struct type *type, struct frame_info *frame,
type, caller_frame,
caller_per_cu);
/* Check if DW_AT_GNU_call_site_data_value cannot be used. If it should be
/* Check if DW_AT_call_data_value cannot be used. If it should be
used and it is not available do not fall back to OUTER_VAL - dereferencing
TYPE_CODE_REF with non-entry data value would give current value - not the
entry value. */
@ -1447,7 +1445,7 @@ value_of_dwarf_reg_entry (struct type *type, struct frame_info *frame,
/* Read parameter of TYPE at (callee) FRAME's function entry. DATA and
SIZE are DWARF block used to match DW_AT_location at the caller's
DW_TAG_GNU_call_site_parameter.
DW_TAG_call_site_parameter.
Function always returns non-NULL value. It throws NO_ENTRY_VALUE_ERROR if it
cannot resolve the parameter for any reason. */
@ -1471,7 +1469,7 @@ value_of_dwarf_block_entry (struct type *type, struct frame_info *frame,
suppressed during normal operation. The expression can be arbitrary if
there is no caller-callee entry value binding expected. */
throw_error (NO_ENTRY_VALUE_ERROR,
_("DWARF-2 expression error: DW_OP_GNU_entry_value is supported "
_("DWARF-2 expression error: DW_OP_entry_value is supported "
"only for single DW_OP_reg* or for DW_OP_fbreg(*)"));
}
@ -2226,7 +2224,7 @@ indirect_pieced_value (struct value *value)
return NULL;
if (bit_length != 0)
error (_("Invalid use of DW_OP_GNU_implicit_pointer"));
error (_("Invalid use of DW_OP_implicit_pointer"));
piece = p;
break;
@ -2805,7 +2803,7 @@ class symbol_needs_eval_context : public dwarf_expr_context
per_cu_dwarf_call (this, die_offset, per_cu);
}
/* DW_OP_GNU_entry_value accesses require a caller, therefore a
/* DW_OP_entry_value accesses require a caller, therefore a
frame. */
void push_dwarf_reg_entry_value (enum call_site_parameter_kind kind,
@ -4162,6 +4160,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_implicit_pointer:
case DW_OP_GNU_implicit_pointer:
{
ul = extract_unsigned_integer (data, offset_size,
@ -4176,6 +4175,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_deref_type:
case DW_OP_GNU_deref_type:
{
int addr_size = *data++;
@ -4192,6 +4192,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_const_type:
case DW_OP_GNU_const_type:
{
cu_offset type_die;
@ -4206,6 +4207,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_regval_type:
case DW_OP_GNU_regval_type:
{
uint64_t reg;
@ -4225,7 +4227,9 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_convert:
case DW_OP_GNU_convert:
case DW_OP_reinterpret:
case DW_OP_GNU_reinterpret:
{
cu_offset type_die;
@ -4247,6 +4251,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
}
break;
case DW_OP_entry_value:
case DW_OP_GNU_entry_value:
data = safe_read_uleb128 (data, end, &ul);
fputc_filtered ('\n', stream);

93
gdb/dwarf2read.c
View File

@ -8361,6 +8361,7 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
case DW_TAG_catch_block:
read_lexical_block_scope (die, cu);
break;
case DW_TAG_call_site:
case DW_TAG_GNU_call_site:
read_call_site_scope (die, cu);
break;
@ -11314,11 +11315,12 @@ inherit_abstract_dies (struct die_info *die, struct dwarf2_cu *cu)
struct dwarf2_cu *child_origin_cu;
/* We are trying to process concrete instance entries:
DW_TAG_GNU_call_site DIEs indeed have a DW_AT_abstract_origin tag, but
DW_TAG_call_site DIEs indeed have a DW_AT_abstract_origin tag, but
it's not relevant to our analysis here. i.e. detecting DIEs that are
present in the abstract instance but not referenced in the concrete
one. */
if (child_die->tag == DW_TAG_GNU_call_site)
if (child_die->tag == DW_TAG_call_site
|| child_die->tag == DW_TAG_GNU_call_site)
continue;
/* For each CHILD_DIE, find the corresponding child of
@ -11653,7 +11655,7 @@ read_lexical_block_scope (struct die_info *die, struct dwarf2_cu *cu)
local_using_directives = newobj->local_using_directives;
}
/* Read in DW_TAG_GNU_call_site and insert it to CU->call_site_htab. */
/* Read in DW_TAG_call_site and insert it to CU->call_site_htab. */
static void
read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
@ -11669,11 +11671,17 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
baseaddr = ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
attr = dwarf2_attr (die, DW_AT_call_return_pc, cu);
if (attr == NULL)
{
/* This was a pre-DWARF-5 GNU extension alias
for DW_AT_call_return_pc. */
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
}
if (!attr)
{
complaint (&symfile_complaints,
_("missing DW_AT_low_pc for DW_TAG_GNU_call_site "
_("missing DW_AT_call_return_pc for DW_TAG_call_site "
"DIE 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (objfile));
return;
@ -11690,7 +11698,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
if (*slot != NULL)
{
complaint (&symfile_complaints,
_("Duplicate PC %s for DW_TAG_GNU_call_site "
_("Duplicate PC %s for DW_TAG_call_site "
"DIE 0x%x [in module %s]"),
paddress (gdbarch, pc), die->offset.sect_off,
objfile_name (objfile));
@ -11703,11 +11711,12 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
for (child_die = die->child; child_die && child_die->tag;
child_die = sibling_die (child_die))
{
if (child_die->tag != DW_TAG_GNU_call_site_parameter)
if (child_die->tag != DW_TAG_call_site_parameter
&& child_die->tag != DW_TAG_GNU_call_site_parameter)
{
complaint (&symfile_complaints,
_("Tag %d is not DW_TAG_GNU_call_site_parameter in "
"DW_TAG_GNU_call_site child DIE 0x%x [in module %s]"),
_("Tag %d is not DW_TAG_call_site_parameter in "
"DW_TAG_call_site child DIE 0x%x [in module %s]"),
child_die->tag, child_die->offset.sect_off,
objfile_name (objfile));
continue;
@ -11725,7 +11734,8 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
memset (call_site, 0, sizeof (*call_site) - sizeof (*call_site->parameter));
call_site->pc = pc;
if (dwarf2_flag_true_p (die, DW_AT_GNU_tail_call, cu))
if (dwarf2_flag_true_p (die, DW_AT_call_tail_call, cu)
|| dwarf2_flag_true_p (die, DW_AT_GNU_tail_call, cu))
{
struct die_info *func_die;
@ -11735,10 +11745,12 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
&& func_die->tag != DW_TAG_subroutine_type;
func_die = func_die->parent);
/* DW_AT_GNU_all_call_sites is a superset
of DW_AT_GNU_all_tail_call_sites. */
/* DW_AT_call_all_calls is a superset
of DW_AT_call_all_tail_calls. */
if (func_die
&& !dwarf2_flag_true_p (func_die, DW_AT_call_all_calls, cu)
&& !dwarf2_flag_true_p (func_die, DW_AT_GNU_all_call_sites, cu)
&& !dwarf2_flag_true_p (func_die, DW_AT_call_all_tail_calls, cu)
&& !dwarf2_flag_true_p (func_die, DW_AT_GNU_all_tail_call_sites, cu))
{
/* TYPE_TAIL_CALL_LIST is not interesting in functions where it is
@ -11766,15 +11778,22 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
}
else
complaint (&symfile_complaints,
_("Cannot find function owning DW_TAG_GNU_call_site "
_("Cannot find function owning DW_TAG_call_site "
"DIE 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (objfile));
}
}
attr = dwarf2_attr (die, DW_AT_GNU_call_site_target, cu);
attr = dwarf2_attr (die, DW_AT_call_target, cu);
if (attr == NULL)
attr = dwarf2_attr (die, DW_AT_abstract_origin, cu);
attr = dwarf2_attr (die, DW_AT_GNU_call_site_target, cu);
if (attr == NULL)
attr = dwarf2_attr (die, DW_AT_call_origin, cu);
if (attr == NULL)
{
/* This was a pre-DWARF-5 GNU extension alias for DW_AT_call_origin. */
attr = dwarf2_attr (die, DW_AT_abstract_origin, cu);
}
SET_FIELD_DWARF_BLOCK (call_site->target, NULL);
if (!attr || (attr_form_is_block (attr) && DW_BLOCK (attr)->size == 0))
/* Keep NULL DWARF_BLOCK. */;
@ -11812,7 +11831,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
target_physname = dwarf2_physname (NULL, target_die, target_cu);
if (target_physname == NULL)
complaint (&symfile_complaints,
_("DW_AT_GNU_call_site_target target DIE has invalid "
_("DW_AT_call_target target DIE has invalid "
"physname, for referencing DIE 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (objfile));
else
@ -11826,7 +11845,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
if (dwarf2_get_pc_bounds (target_die, &lowpc, NULL, target_cu, NULL)
<= PC_BOUNDS_INVALID)
complaint (&symfile_complaints,
_("DW_AT_GNU_call_site_target target DIE has invalid "
_("DW_AT_call_target target DIE has invalid "
"low pc, for referencing DIE 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (objfile));
else
@ -11838,7 +11857,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
}
else
complaint (&symfile_complaints,
_("DW_TAG_GNU_call_site DW_AT_GNU_call_site_target is neither "
_("DW_TAG_call_site DW_AT_call_target is neither "
"block nor reference, for DIE 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (objfile));
@ -11851,7 +11870,8 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
struct call_site_parameter *parameter;
struct attribute *loc, *origin;
if (child_die->tag != DW_TAG_GNU_call_site_parameter)
if (child_die->tag != DW_TAG_call_site_parameter
&& child_die->tag != DW_TAG_GNU_call_site_parameter)
{
/* Already printed the complaint above. */
continue;
@ -11862,10 +11882,16 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
/* DW_AT_location specifies the register number or DW_AT_abstract_origin
specifies DW_TAG_formal_parameter. Value of the data assumed for the
register is contained in DW_AT_GNU_call_site_value. */
register is contained in DW_AT_call_value. */
loc = dwarf2_attr (child_die, DW_AT_location, cu);
origin = dwarf2_attr (child_die, DW_AT_abstract_origin, cu);
origin = dwarf2_attr (child_die, DW_AT_call_parameter, cu);
if (origin == NULL)
{
/* This was a pre-DWARF-5 GNU extension alias
for DW_AT_call_parameter. */
origin = dwarf2_attr (child_die, DW_AT_abstract_origin, cu);
}
if (loc == NULL && origin != NULL && attr_form_is_ref (origin))
{
sect_offset offset;
@ -11878,9 +11904,8 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
binding can be done only inside one CU. Such referenced DIE
therefore cannot be even moved to DW_TAG_partial_unit. */
complaint (&symfile_complaints,
_("DW_AT_abstract_origin offset is not in CU for "
"DW_TAG_GNU_call_site child DIE 0x%x "
"[in module %s]"),
_("DW_AT_call_parameter offset is not in CU for "
"DW_TAG_call_site child DIE 0x%x [in module %s]"),
child_die->offset.sect_off, objfile_name (objfile));
continue;
}
@ -11891,7 +11916,7 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
{
complaint (&symfile_complaints,
_("No DW_FORM_block* DW_AT_location for "
"DW_TAG_GNU_call_site child DIE 0x%x [in module %s]"),
"DW_TAG_call_site child DIE 0x%x [in module %s]"),
child_die->offset.sect_off, objfile_name (objfile));
continue;
}
@ -11910,19 +11935,21 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
complaint (&symfile_complaints,
_("Only single DW_OP_reg or DW_OP_fbreg is supported "
"for DW_FORM_block* DW_AT_location is supported for "
"DW_TAG_GNU_call_site child DIE 0x%x "
"DW_TAG_call_site child DIE 0x%x "
"[in module %s]"),
child_die->offset.sect_off, objfile_name (objfile));
continue;
}
}
attr = dwarf2_attr (child_die, DW_AT_GNU_call_site_value, cu);
attr = dwarf2_attr (child_die, DW_AT_call_value, cu);
if (attr == NULL)
attr = dwarf2_attr (child_die, DW_AT_GNU_call_site_value, cu);
if (!attr_form_is_block (attr))
{
complaint (&symfile_complaints,
_("No DW_FORM_block* DW_AT_GNU_call_site_value for "
"DW_TAG_GNU_call_site child DIE 0x%x [in module %s]"),
_("No DW_FORM_block* DW_AT_call_value for "
"DW_TAG_call_site child DIE 0x%x [in module %s]"),
child_die->offset.sect_off, objfile_name (objfile));
continue;
}
@ -11934,13 +11961,15 @@ read_call_site_scope (struct die_info *die, struct dwarf2_cu *cu)
parameter->data_value_size = 0;
call_site->parameter_count++;
attr = dwarf2_attr (child_die, DW_AT_GNU_call_site_data_value, cu);
attr = dwarf2_attr (child_die, DW_AT_call_data_value, cu);
if (attr == NULL)
attr = dwarf2_attr (child_die, DW_AT_GNU_call_site_data_value, cu);
if (attr)
{
if (!attr_form_is_block (attr))
complaint (&symfile_complaints,
_("No DW_FORM_block* DW_AT_GNU_call_site_data_value for "
"DW_TAG_GNU_call_site child DIE 0x%x [in module %s]"),
_("No DW_FORM_block* DW_AT_call_data_value for "
"DW_TAG_call_site child DIE 0x%x [in module %s]"),
child_die->offset.sect_off, objfile_name (objfile));
else
{

22
gdb/gdbtypes.h
View File

@ -1041,12 +1041,12 @@ struct func_type
unsigned int is_noreturn : 1;
/* * Only those DW_TAG_GNU_call_site's in this function that have
DW_AT_GNU_tail_call set are linked in this list. Function
/* * Only those DW_TAG_call_site's in this function that have
DW_AT_call_tail_call set are linked in this list. Function
without its tail call list complete
(DW_AT_GNU_all_tail_call_sites or its superset
DW_AT_GNU_all_call_sites) has TAIL_CALL_LIST NULL, even if some
DW_TAG_GNU_call_site's exist in such function. */
(DW_AT_call_all_tail_calls or its superset
DW_AT_call_all_calls) has TAIL_CALL_LIST NULL, even if some
DW_TAG_call_site's exist in such function. */
struct call_site *tail_call_list;
@ -1106,13 +1106,12 @@ struct call_site_parameter
union call_site_parameter_u u;
/* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_value. It
is never NULL. */
/* * DW_TAG_formal_parameter's DW_AT_call_value. It is never NULL. */
const gdb_byte *value;
size_t value_size;
/* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_data_value.
/* * DW_TAG_formal_parameter's DW_AT_call_data_value.
It may be NULL if not provided by DWARF. */
const gdb_byte *data_value;
@ -1120,8 +1119,7 @@ struct call_site_parameter
};
/* * A place where a function gets called from, represented by
DW_TAG_GNU_call_site. It can be looked up from
symtab->call_site_htab. */
DW_TAG_call_site. It can be looked up from symtab->call_site_htab. */
struct call_site
{
@ -1135,7 +1133,7 @@ struct call_site
struct call_site *tail_call_next;
/* * Describe DW_AT_GNU_call_site_target. Missing attribute uses
/* * Describe DW_AT_call_target. Missing attribute uses
FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
struct call_site_target target;
@ -1149,7 +1147,7 @@ struct call_site
struct dwarf2_per_cu_data *per_cu;
/* * Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
/* * Describe DW_TAG_call_site's DW_TAG_formal_parameter. */
struct call_site_parameter parameter[1];
};

5
gdb/stack.c
View File

@ -407,10 +407,9 @@ read_frame_arg (struct symbol *sym, struct frame_info *frame,
/* Initialize it just to avoid a GCC false warning. */
struct value *val_deref = NULL, *entryval_deref;
/* DW_AT_GNU_call_site_value does match with the current
/* DW_AT_call_value does match with the current
value. If it is a reference still try to verify if
dereferenced DW_AT_GNU_call_site_data_value does not
differ. */
dereferenced DW_AT_call_data_value does not differ. */
TRY
{

2
gdb/std-operator.def
View File

@ -129,7 +129,7 @@ OP (OP_VAR_VALUE)
/* OP_VAR_ENTRY_VALUE takes one struct symbol * in the following element,
followed by another OP_VAR_ENTRY_VALUE, making three exp_elements.
somename@entry may mean parameter value as present at the entry of the
current function. Implemented via DW_OP_GNU_entry_value. */
current function. Implemented via DW_OP_entry_value. */
OP (OP_VAR_ENTRY_VALUE)
/* OP_LAST is followed by an integer in the next exp_element.

8
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,11 @@
2017-02-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.arch/amd64-entry-value-param-dwarf5.S: New file.
* gdb.arch/amd64-entry-value-param-dwarf5.c: New file.
* gdb.arch/amd64-entry-value-param-dwarf5.exp: New file.
* gdb.arch/amd64-entry-value.exp: Rename DW_OP_GNU_*, DW_TAG_GNU_* and
DW_AT_GNU_*.
2017-02-20 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.dwarf2/dw2-error.exp (file $testfile): Update expected string.

699
gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.S Normal file
View File

@ -0,0 +1,699 @@
/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file is compiled from gdb.arch/amd64-entry-value-param-dwarf5.c
using -g -dA -S -O2. */
.file "amd64-entry-value-param-dwarf5.c"
.text
.Ltext0:
.p2align 4,,15
.type foo.isra.0.constprop.2, @function
foo.isra.0.constprop.2:
.LFB4:
/* gdb.arch/amd64-entry-value-param-dwarf5.c:21 */
.LM1:
.cfi_startproc
.LVL0:
/* BLOCK 2 freq:10000 seq:0 */
/* PRED: ENTRY [100.0%] (FALLTHRU) */
/* gdb.arch/amd64-entry-value-param-dwarf5.c:26 */
.LM2:
movl vv(%rip), %eax
addl $1, %eax
movl %eax, vv(%rip)
/* gdb.arch/amd64-entry-value-param-dwarf5.c:27 */
.LM3:
leal 3(%rdi), %eax
/* SUCC: EXIT [100.0%] */
/* gdb.arch/amd64-entry-value-param-dwarf5.c:28 */
.LM4:
ret
.cfi_endproc
.LFE4:
.size foo.isra.0.constprop.2, .-foo.isra.0.constprop.2
.p2align 4,,15
.type bar.constprop.1, @function
bar.constprop.1:
.LFB5:
/* gdb.arch/amd64-entry-value-param-dwarf5.c:31 */
.LM5:
.cfi_startproc
/* BLOCK 2 freq:10000 seq:0 */
/* PRED: ENTRY [100.0%] (FALLTHRU) */
.LVL1:
/* gdb.arch/amd64-entry-value-param-dwarf5.c:33 */
.LM6:
movl $10, %edi
call foo.isra.0.constprop.2
.LVL2:
movl $10, %edi
movl %eax, %edx
call foo.isra.0.constprop.2
.LVL3:
movl $16, %edi
addl %eax, %edx
call foo.isra.0.constprop.2
.LVL4:
leal 10(%rdx,%rax), %eax
/* SUCC: EXIT [100.0%] */
/* gdb.arch/amd64-entry-value-param-dwarf5.c:34 */
.LM7:
ret
.cfi_endproc
.LFE5:
.size bar.constprop.1, .-bar.constprop.1
.section .text.startup,"ax",@progbits
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB2:
/* gdb.arch/amd64-entry-value-param-dwarf5.c:38 */
.LM8:
.cfi_startproc
/* BLOCK 2 freq:10000 seq:0 */
/* PRED: ENTRY [100.0%] (FALLTHRU) */
/* SUCC: EXIT [100.0%] (ABNORMAL,SIBCALL) */
/* gdb.arch/amd64-entry-value-param-dwarf5.c:39 */
.LM9:
jmp bar.constprop.1
.LVL5:
.cfi_endproc
.LFE2:
.size main, .-main
.comm vv,4,4
.text
.Letext0:
.section .debug_info,"",@progbits
.Ldebug_info0:
.long 0x199 /* Length of Compilation Unit Info */
.value 0x5 /* DWARF version number */
.byte 0x1 /* DW_UT_compile */
.byte 0x8 /* Pointer Size (in bytes) */
.long .Ldebug_abbrev0 /* Offset Into Abbrev. Section */
.uleb128 0xa /* (DIE (0xc) DW_TAG_compile_unit) */
.long .LASF2 /* DW_AT_producer: "GNU C11 7.0.1 20170218 (experimental) -mtune=generic -march=x86-64 -gdwarf-5 -O2" */
.byte 0x1d /* DW_AT_language */
.long .LASF0 /* DW_AT_name: "gdb.arch/amd64-entry-value-param-dwarf5.c" */
.long .LASF1 /* DW_AT_comp_dir: "" */
.long .LLRL0 /* DW_AT_ranges */
.quad 0 /* DW_AT_low_pc */
.long .Ldebug_line0 /* DW_AT_stmt_list */
.uleb128 0xb /* (DIE (0x2a) DW_TAG_variable) */
.ascii "vv\0" /* DW_AT_name */
.byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x12 /* DW_AT_decl_line */
.long 0x45 /* DW_AT_type */
/* DW_AT_external */
.uleb128 0x9 /* DW_AT_location */
.byte 0x3 /* DW_OP_addr */
.quad vv
.uleb128 0xc /* (DIE (0x3e) DW_TAG_base_type) */
.byte 0x4 /* DW_AT_byte_size */
.byte 0x5 /* DW_AT_encoding */
.ascii "int\0" /* DW_AT_name */
.uleb128 0xd /* (DIE (0x45) DW_TAG_volatile_type) */
.long 0x3e /* DW_AT_type */
.uleb128 0xe /* (DIE (0x4a) DW_TAG_subprogram) */
/* DW_AT_external */
.long .LASF3 /* DW_AT_name: "main" */
.byte 0x1 /* DW_AT_decl_file (gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x25 /* DW_AT_decl_line */
/* DW_AT_prototyped */
.long 0x3e /* DW_AT_type */
.quad .LFB2 /* DW_AT_low_pc */
.quad .LFE2-.LFB2 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_AT_frame_base */
.byte 0x9c /* DW_OP_call_frame_cfa */
/* DW_AT_call_all_calls */
.long 0x79 /* DW_AT_sibling */
.uleb128 0xf /* (DIE (0x6b) DW_TAG_call_site) */
.quad .LVL5 /* DW_AT_call_return_pc */
/* DW_AT_call_tail_call */
.long 0x125 /* DW_AT_call_origin */
.byte 0 /* end of children of DIE 0x4a */
.uleb128 0x5 /* (DIE (0x79) DW_TAG_subprogram) */
.ascii "bar\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x1f /* DW_AT_decl_line */
/* DW_AT_prototyped */
.long 0x3e /* DW_AT_type */
.byte 0x1 /* DW_AT_inline */
.long 0x91 /* DW_AT_sibling */
.uleb128 0x1 /* (DIE (0x88) DW_TAG_formal_parameter) */
.ascii "x\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x1f /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.byte 0 /* end of children of DIE 0x79 */
.uleb128 0x5 /* (DIE (0x91) DW_TAG_subprogram) */
.ascii "foo\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x15 /* DW_AT_decl_line */
/* DW_AT_prototyped */
.long 0x3e /* DW_AT_type */
.byte 0 /* DW_AT_inline */
.long 0xd1 /* DW_AT_sibling */
.uleb128 0x1 /* (DIE (0xa0) DW_TAG_formal_parameter) */
.ascii "x\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x15 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.uleb128 0x1 /* (DIE (0xa8) DW_TAG_formal_parameter) */
.ascii "y\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x15 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.uleb128 0x1 /* (DIE (0xb0) DW_TAG_formal_parameter) */
.ascii "z\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x15 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.uleb128 0x2 /* (DIE (0xb8) DW_TAG_variable) */
.ascii "a\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x17 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.uleb128 0x2 /* (DIE (0xc0) DW_TAG_variable) */
.ascii "b\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x18 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.uleb128 0x2 /* (DIE (0xc8) DW_TAG_variable) */
.ascii "c\0" /* DW_AT_name */
/* DW_AT_decl_file (1, gdb.arch/amd64-entry-value-param-dwarf5.c) */
.byte 0x19 /* DW_AT_decl_line */
.long 0x3e /* DW_AT_type */
.byte 0 /* end of children of DIE 0x91 */
.uleb128 0x10 /* (DIE (0xd1) DW_TAG_subprogram) */
.long 0x91 /* DW_AT_abstract_origin */
.quad .LFB4 /* DW_AT_low_pc */
.quad .LFE4-.LFB4 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_AT_frame_base */
.byte 0x9c /* DW_OP_call_frame_cfa */
/* DW_AT_call_all_calls */
.long 0x125 /* DW_AT_sibling */
.uleb128 0x6 /* (DIE (0xec) DW_TAG_formal_parameter) */
.long 0xa0 /* DW_AT_abstract_origin */
.uleb128 0x1 /* DW_AT_location */
.byte 0x55 /* DW_OP_reg5 */
.uleb128 0x6 /* (DIE (0xf3) DW_TAG_formal_parameter) */
.long 0xa8 /* DW_AT_abstract_origin */
.uleb128 0x6 /* DW_AT_location */
.byte 0xfa /* DW_OP_GNU_parameter_ref */
.long 0xa8
.byte 0x9f /* DW_OP_stack_value */
.uleb128 0x7 /* (DIE (0xff) DW_TAG_variable) */
.long 0xb8 /* DW_AT_abstract_origin */
.uleb128 0x5 /* DW_AT_location */
.byte 0x75 /* DW_OP_breg5 */
.sleb128 0
.byte 0x31 /* DW_OP_lit1 */
.byte 0x24 /* DW_OP_shl */
.byte 0x9f /* DW_OP_stack_value */
.uleb128 0x7 /* (DIE (0x10a) DW_TAG_variable) */
.long 0xc0 /* DW_AT_abstract_origin */
.uleb128 0x8 /* DW_AT_location */
.byte 0xfa /* DW_OP_GNU_parameter_ref */
.long 0xa8
.byte 0x31 /* DW_OP_lit1 */
.byte 0x24 /* DW_OP_shl */
.byte 0x9f /* DW_OP_stack_value */
.uleb128 0x11 /* (DIE (0x118) DW_TAG_variable) */
.long 0xc8 /* DW_AT_abstract_origin */
.byte 0x6 /* DW_AT_const_value */
.uleb128 0x8 /* (DIE (0x11e) DW_TAG_formal_parameter) */
.long 0xb0 /* DW_AT_abstract_origin */
.byte 0x3 /* DW_AT_const_value */
.byte 0 /* end of children of DIE 0xd1 */
.uleb128 0x12 /* (DIE (0x125) DW_TAG_subprogram) */
.long 0x79 /* DW_AT_abstract_origin */
.quad .LFB5 /* DW_AT_low_pc */
.quad .LFE5-.LFB5 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_AT_frame_base */
.byte 0x9c /* DW_OP_call_frame_cfa */
/* DW_AT_call_all_calls */
.uleb128 0x8 /* (DIE (0x13c) DW_TAG_formal_parameter) */
.long 0x88 /* DW_AT_abstract_origin */
.byte 0xa /* DW_AT_const_value */
.uleb128 0x9 /* (DIE (0x142) DW_TAG_call_site) */
.quad .LVL2 /* DW_AT_call_return_pc */
.long 0xd1 /* DW_AT_call_origin */
.long 0x161 /* DW_AT_sibling */
.uleb128 0x3 /* (DIE (0x153) DW_TAG_call_site_parameter) */
.uleb128 0x1 /* DW_AT_location */
.byte 0x55 /* DW_OP_reg5 */
.uleb128 0x2 /* DW_AT_call_value */
.byte 0x75 /* DW_OP_breg5 */
.sleb128 0
.uleb128 0x4 /* (DIE (0x159) DW_TAG_call_site_parameter) */
.long 0xa8 /* DW_AT_call_parameter */
.uleb128 0x1 /* DW_AT_call_value */
.byte 0x32 /* DW_OP_lit2 */
.byte 0 /* end of children of DIE 0x142 */
.uleb128 0x9 /* (DIE (0x161) DW_TAG_call_site) */
.quad .LVL3 /* DW_AT_call_return_pc */
.long 0xd1 /* DW_AT_call_origin */
.long 0x180 /* DW_AT_sibling */
.uleb128 0x3 /* (DIE (0x172) DW_TAG_call_site_parameter) */
.uleb128 0x1 /* DW_AT_location */
.byte 0x55 /* DW_OP_reg5 */
.uleb128 0x2 /* DW_AT_call_value */
.byte 0x75 /* DW_OP_breg5 */
.sleb128 0
.uleb128 0x4 /* (DIE (0x178) DW_TAG_call_site_parameter) */
.long 0xa8 /* DW_AT_call_parameter */
.uleb128 0x1 /* DW_AT_call_value */
.byte 0x34 /* DW_OP_lit4 */
.byte 0 /* end of children of DIE 0x161 */
.uleb128 0x13 /* (DIE (0x180) DW_TAG_call_site) */
.quad .LVL4 /* DW_AT_call_return_pc */
.long 0xd1 /* DW_AT_call_origin */
.uleb128 0x3 /* (DIE (0x18d) DW_TAG_call_site_parameter) */
.uleb128 0x1 /* DW_AT_location */
.byte 0x55 /* DW_OP_reg5 */
.uleb128 0x2 /* DW_AT_call_value */
.byte 0x75 /* DW_OP_breg5 */
.sleb128 0
.uleb128 0x4 /* (DIE (0x193) DW_TAG_call_site_parameter) */
.long 0xa8 /* DW_AT_call_parameter */
.uleb128 0x1 /* DW_AT_call_value */
.byte 0x3a /* DW_OP_lit10 */
.byte 0 /* end of children of DIE 0x180 */
.byte 0 /* end of children of DIE 0x125 */
.byte 0 /* end of children of DIE 0xc */
.section .debug_abbrev,"",@progbits
.Ldebug_abbrev0:
.uleb128 0x1 /* (abbrev code) */
.uleb128 0x5 /* (TAG: DW_TAG_formal_parameter) */
.byte 0 /* DW_children_no */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x3a /* (DW_AT_decl_file) */
.uleb128 0x21 /* (DW_FORM_implicit_const) */
.sleb128 1 /* (gdb.arch/amd64-entry-value-param-dwarf5.c) */
.uleb128 0x3b /* (DW_AT_decl_line) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0x2 /* (abbrev code) */
.uleb128 0x34 /* (TAG: DW_TAG_variable) */
.byte 0 /* DW_children_no */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x3a /* (DW_AT_decl_file) */
.uleb128 0x21 /* (DW_FORM_implicit_const) */
.sleb128 1 /* (gdb.arch/amd64-entry-value-param-dwarf5.c) */
.uleb128 0x3b /* (DW_AT_decl_line) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0x3 /* (abbrev code) */
.uleb128 0x49 /* (TAG: DW_TAG_call_site_parameter) */
.byte 0 /* DW_children_no */
.uleb128 0x2 /* (DW_AT_location) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.uleb128 0x7e /* (DW_AT_call_value) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.byte 0
.byte 0
.uleb128 0x4 /* (abbrev code) */
.uleb128 0x49 /* (TAG: DW_TAG_call_site_parameter) */
.byte 0 /* DW_children_no */
.uleb128 0x80 /* (DW_AT_call_parameter) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x7e /* (DW_AT_call_value) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.byte 0
.byte 0
.uleb128 0x5 /* (abbrev code) */
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x3a /* (DW_AT_decl_file) */
.uleb128 0x21 /* (DW_FORM_implicit_const) */
.sleb128 1 /* (gdb.arch/amd64-entry-value-param-dwarf5.c) */
.uleb128 0x3b /* (DW_AT_decl_line) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x27 /* (DW_AT_prototyped) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x20 /* (DW_AT_inline) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x1 /* (DW_AT_sibling) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0x6 /* (abbrev code) */
.uleb128 0x5 /* (TAG: DW_TAG_formal_parameter) */
.byte 0 /* DW_children_no */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x2 /* (DW_AT_location) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.byte 0
.byte 0
.uleb128 0x7 /* (abbrev code) */
.uleb128 0x34 /* (TAG: DW_TAG_variable) */
.byte 0 /* DW_children_no */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x2 /* (DW_AT_location) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.byte 0
.byte 0
.uleb128 0x8 /* (abbrev code) */
.uleb128 0x5 /* (TAG: DW_TAG_formal_parameter) */
.byte 0 /* DW_children_no */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x1c /* (DW_AT_const_value) */
.uleb128 0xb /* (DW_FORM_data1) */
.byte 0
.byte 0
.uleb128 0x9 /* (abbrev code) */
.uleb128 0x48 /* (TAG: DW_TAG_call_site) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x7d /* (DW_AT_call_return_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x7f /* (DW_AT_call_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x1 /* (DW_AT_sibling) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0xa /* (abbrev code) */
.uleb128 0x11 /* (TAG: DW_TAG_compile_unit) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x25 /* (DW_AT_producer) */
.uleb128 0xe /* (DW_FORM_strp) */
.uleb128 0x13 /* (DW_AT_language) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x1f /* (DW_FORM_line_strp) */
.uleb128 0x1b /* (DW_AT_comp_dir) */
.uleb128 0x1f /* (DW_FORM_line_strp) */
.uleb128 0x55 /* (DW_AT_ranges) */
.uleb128 0x17 /* (DW_FORM_sec_offset) */
.uleb128 0x11 /* (DW_AT_low_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x10 /* (DW_AT_stmt_list) */
.uleb128 0x17 /* (DW_FORM_sec_offset) */
.byte 0
.byte 0
.uleb128 0xb /* (abbrev code) */
.uleb128 0x34 /* (TAG: DW_TAG_variable) */
.byte 0 /* DW_children_no */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.uleb128 0x3a /* (DW_AT_decl_file) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x3b /* (DW_AT_decl_line) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x3f /* (DW_AT_external) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x2 /* (DW_AT_location) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.byte 0
.byte 0
.uleb128 0xc /* (abbrev code) */
.uleb128 0x24 /* (TAG: DW_TAG_base_type) */
.byte 0 /* DW_children_no */
.uleb128 0xb /* (DW_AT_byte_size) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x3e /* (DW_AT_encoding) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0x8 /* (DW_FORM_string) */
.byte 0
.byte 0
.uleb128 0xd /* (abbrev code) */
.uleb128 0x35 /* (TAG: DW_TAG_volatile_type) */
.byte 0 /* DW_children_no */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0xe /* (abbrev code) */
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x3f /* (DW_AT_external) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x3 /* (DW_AT_name) */
.uleb128 0xe /* (DW_FORM_strp) */
.uleb128 0x3a /* (DW_AT_decl_file) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x3b /* (DW_AT_decl_line) */
.uleb128 0xb /* (DW_FORM_data1) */
.uleb128 0x27 /* (DW_AT_prototyped) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x49 /* (DW_AT_type) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x11 /* (DW_AT_low_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x12 /* (DW_AT_high_pc) */
.uleb128 0x7 /* (DW_FORM_data8) */
.uleb128 0x40 /* (DW_AT_frame_base) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.uleb128 0x7a /* (DW_AT_call_all_calls) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x1 /* (DW_AT_sibling) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0xf /* (abbrev code) */
.uleb128 0x48 /* (TAG: DW_TAG_call_site) */
.byte 0 /* DW_children_no */
.uleb128 0x7d /* (DW_AT_call_return_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x82 /* (DW_AT_call_tail_call) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x7f /* (DW_AT_call_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0x10 /* (abbrev code) */
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x11 /* (DW_AT_low_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x12 /* (DW_AT_high_pc) */
.uleb128 0x7 /* (DW_FORM_data8) */
.uleb128 0x40 /* (DW_AT_frame_base) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.uleb128 0x7a /* (DW_AT_call_all_calls) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.uleb128 0x1 /* (DW_AT_sibling) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.uleb128 0x11 /* (abbrev code) */
.uleb128 0x34 /* (TAG: DW_TAG_variable) */
.byte 0 /* DW_children_no */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x1c /* (DW_AT_const_value) */
.uleb128 0xb /* (DW_FORM_data1) */
.byte 0
.byte 0
.uleb128 0x12 /* (abbrev code) */
.uleb128 0x2e /* (TAG: DW_TAG_subprogram) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x31 /* (DW_AT_abstract_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.uleb128 0x11 /* (DW_AT_low_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x12 /* (DW_AT_high_pc) */
.uleb128 0x7 /* (DW_FORM_data8) */
.uleb128 0x40 /* (DW_AT_frame_base) */
.uleb128 0x18 /* (DW_FORM_exprloc) */
.uleb128 0x7a /* (DW_AT_call_all_calls) */
.uleb128 0x19 /* (DW_FORM_flag_present) */
.byte 0
.byte 0
.uleb128 0x13 /* (abbrev code) */
.uleb128 0x48 /* (TAG: DW_TAG_call_site) */
.byte 0x1 /* DW_children_yes */
.uleb128 0x7d /* (DW_AT_call_return_pc) */
.uleb128 0x1 /* (DW_FORM_addr) */
.uleb128 0x7f /* (DW_AT_call_origin) */
.uleb128 0x13 /* (DW_FORM_ref4) */
.byte 0
.byte 0
.byte 0
.section .debug_aranges,"",@progbits
.long 0x3c /* Length of Address Ranges Info */
.value 0x2 /* DWARF Version */
.long .Ldebug_info0 /* Offset of Compilation Unit Info */
.byte 0x8 /* Size of Address */
.byte 0 /* Size of Segment Descriptor */
.value 0 /* Pad to 16 byte boundary */
.value 0
.quad .Ltext0 /* Address */
.quad .Letext0-.Ltext0 /* Length */
.quad .LFB2 /* Address */
.quad .LFE2-.LFB2 /* Length */
.quad 0
.quad 0
.section .debug_rnglists,"",@progbits
.Ldebug_ranges0:
.long .Ldebug_ranges3-.Ldebug_ranges2 /* Length of Range Lists */
.Ldebug_ranges2:
.value 0x5 /* DWARF Version */
.byte 0x8 /* Address Size */
.byte 0 /* Segment Size */
.long 0 /* Offset Entry Count */
.LLRL0:
.byte 0x7 /* DW_RLE_start_length (*.LLRL0) */
.quad .Ltext0 /* Range begin address (*.LLRL0) */
.uleb128 .Letext0-.Ltext0 /* Range length (*.LLRL0) */
.byte 0x7 /* DW_RLE_start_length (*.LLRL0) */
.quad .LFB2 /* Range begin address (*.LLRL0) */
.uleb128 .LFE2-.LFB2 /* Range length (*.LLRL0) */
.byte 0 /* DW_RLE_end_of_list (*.LLRL0) */
.Ldebug_ranges3:
.section .debug_line,"",@progbits
.Ldebug_line0:
.long .LELT0-.LSLT0 /* Length of Source Line Info */
.LSLT0:
.value 0x5 /* DWARF Version */
.byte 0x8 /* Address Size */
.byte 0 /* Segment Size */
.long .LELTP0-.LASLTP0 /* Prolog Length */
.LASLTP0:
.byte 0x1 /* Minimum Instruction Length */
.byte 0x1 /* Maximum Operations Per Instruction */
.byte 0x1 /* Default is_stmt_start flag */
.byte 0xf6 /* Line Base Value (Special Opcodes) */
.byte 0xf2 /* Line Range Value (Special Opcodes) */
.byte 0xd /* Special Opcode Base */
.byte 0 /* opcode: 0x1 has 0 args */
.byte 0x1 /* opcode: 0x2 has 1 args */
.byte 0x1 /* opcode: 0x3 has 1 args */
.byte 0x1 /* opcode: 0x4 has 1 args */
.byte 0x1 /* opcode: 0x5 has 1 args */
.byte 0 /* opcode: 0x6 has 0 args */
.byte 0 /* opcode: 0x7 has 0 args */
.byte 0 /* opcode: 0x8 has 0 args */
.byte 0x1 /* opcode: 0x9 has 1 args */
.byte 0 /* opcode: 0xa has 0 args */
.byte 0 /* opcode: 0xb has 0 args */
.byte 0x1 /* opcode: 0xc has 1 args */
.byte 0x1 /* Directory entry format count */
.uleb128 0x1 /* DW_LNCT_path */
.uleb128 0x1f /* DW_FORM_line_strp */
.uleb128 0x2 /* Directories count */
.long .LASF1 /* Directory Entry: 0: "" */
.long .LASF4 /* Directory Entry: 0: "gdb.arch" */
.byte 0x2 /* File name entry format count */
.uleb128 0x1 /* DW_LNCT_path */
.uleb128 0x1f /* DW_FORM_line_strp */
.uleb128 0x2 /* DW_LNCT_directory_index */
.uleb128 0xb /* DW_FORM_data1 */
.uleb128 0x2 /* File names count */
.long .LASF0 /* File Entry: 0: "gdb.arch/amd64-entry-value-param-dwarf5.c" */
.byte 0
.long .LASF5 /* File Entry: 0: "amd64-entry-value-param-dwarf5.c" */
.byte 0x1
.LELTP0:
.byte 0 /* set address *.LM8 */
.uleb128 0x9
.byte 0x2
.quad .LM8
.byte 0x3c /* line 38 */
.byte 0 /* set address *.LM9 */
.uleb128 0x9
.byte 0x2
.quad .LM9
.byte 0x18 /* line 39 */
.byte 0 /* set address *.LFE2 */
.uleb128 0x9
.byte 0x2
.quad .LFE2
.byte 0 /* end sequence */
.uleb128 0x1
.byte 0x1
.byte 0 /* set address *.LM1 */
.uleb128 0x9
.byte 0x2
.quad .LM1
.byte 0x2b /* line 21 */
.byte 0 /* set address *.LM2 */
.uleb128 0x9
.byte 0x2
.quad .LM2
.byte 0x1c /* line 26 */
.byte 0 /* set address *.LM3 */
.uleb128 0x9
.byte 0x2
.quad .LM3
.byte 0x18 /* line 27 */
.byte 0 /* set address *.LM4 */
.uleb128 0x9
.byte 0x2
.quad .LM4
.byte 0x18 /* line 28 */
.byte 0 /* set address *.LM5 */
.uleb128 0x9
.byte 0x2
.quad .LM5
.byte 0x1a /* line 31 */
.byte 0 /* set address *.LM6 */
.uleb128 0x9
.byte 0x2
.quad .LM6
.byte 0x19 /* line 33 */
.byte 0 /* set address *.LM7 */
.uleb128 0x9
.byte 0x2
.quad .LM7
.byte 0x18 /* line 34 */
.byte 0 /* set address *.Letext0 */
.uleb128 0x9
.byte 0x2
.quad .Letext0
.byte 0 /* end sequence */
.uleb128 0x1
.byte 0x1
.LELT0:
.section .debug_str,"MS",@progbits,1
.LASF2:
.string "GNU C11 7.0.1 20170218 (experimental) -mtune=generic -march=x86-64 -gdwarf-5 -O2"
.LASF3:
.string "main"
.section .debug_line_str,"MS",@progbits,1
.LASF5:
.string "amd64-entry-value-param-dwarf5.c"
.LASF0:
.string "gdb.arch/amd64-entry-value-param-dwarf5.c"
.LASF1:
.string ""
.LASF4:
.string "gdb.arch"
.ident "GCC: (GNU) 7.0.1 20170218 (experimental)"
.section .note.GNU-stack,"",@progbits

40
gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.c Normal file
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@ -0,0 +1,40 @@
/* This testcase is part of GDB, the GNU debugger.
Copyright 2012-2017 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
volatile int vv;
static __attribute__((noinline)) int
foo (int x, int y, int z)
{
int a = x * 2;
int b = y * 2;
int c = z * 2;
vv++; /* break-here */
return x + z;
}
static __attribute__((noinline)) int
bar (int x)
{
return foo (x, 2, 3) + foo (x, 4, 3) + foo (x + 6, x, 3) + x;
}
int
main (void)
{
return bar (10);
}

49
gdb/testsuite/gdb.arch/amd64-entry-value-param-dwarf5.exp Normal file
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@ -0,0 +1,49 @@
# Copyright (C) 2012-2017 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
standard_testfile .S .c
set opts {}
if [info exists COMPILE] {
# make check RUNTESTFLAGS="gdb.arch/amd64-entry-value-param-dwarf5.exp COMPILE=1"
set srcfile ${srcfile2}
lappend opts optimize=-O2 additional_flags=-gdwarf-5
} elseif { ![istarget x86_64-*-* ] || ![is_lp64_target] } {
verbose "Skipping amd64-entry-value-param-dwarf5."
return
}
if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} $opts] } {
return -1
}
if ![runto_main] {
return -1
}
set srcfile $srcfile2
gdb_breakpoint [gdb_get_line_number "break-here"]
gdb_continue_to_breakpoint "break-here" ".* break-here .*"
gdb_test "p y" " = 2"
gdb_test "p b" " = 4"
gdb_continue_to_breakpoint "break-here" ".* break-here .*"
gdb_test "p y" " = 4"
gdb_test "p b" " = 8"
gdb_continue_to_breakpoint "break-here" ".* break-here .*"
gdb_test "p y" " = 10"
gdb_test "p b" " = 20"

6
gdb/testsuite/gdb.arch/amd64-entry-value.exp
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@ -159,7 +159,7 @@ gdb_test_no_output "set print entry-values default" "entry_invalid: set print en
gdb_test "frame" {\(inv=<optimized out>\).*} "entry_invalid: frame: default"
# Test @entry values for DW_AT_GNU_call_site_data_value parameters.
# Test @entry values for DW_AT_call_data_value parameters.
gdb_continue_to_breakpoint "entry_reference: reference"
@ -188,7 +188,7 @@ gdb_test "p regparam@entry" " = \\(int &\\) @$addr: 1" "entry_reference: p regpa
gdb_test "p &regparam@entry" " = \\(int \\*\\) $addr" "entry_reference: p &regparam@entry"
gdb_test "p regcopy" " = 1" "entry_reference: p regcopy"
gdb_test "p nodataparam" " = \\(int &\\) @0x\[0-9a-f\]+: 22" "entry_reference: p nodataparam"
gdb_test "p nodataparam@entry" "Cannot resolve DW_AT_GNU_call_site_data_value" "entry_reference: p nodataparam@entry"
gdb_test "p nodataparam@entry" "Cannot resolve DW_AT_call_data_value" "entry_reference: p nodataparam@entry"
# Test virtual tail call frames.
@ -249,5 +249,5 @@ gdb_test "bt" "^bt\r\n#0 +d \\(i=<optimized out>, j=<optimized out>\\)\[^\r\n\]*
"self: bt"
gdb_test_no_output "set debug entry-values 1"
gdb_test "bt" "DW_OP_GNU_entry_value resolving has found function \"self\\(int\\)\" at 0x\[0-9a-f\]+ can call itself via tail calls\r\n.*" \
gdb_test "bt" "DW_OP_entry_value resolving has found function \"self\\(int\\)\" at 0x\[0-9a-f\]+ can call itself via tail calls\r\n.*" \
"self: bt debug entry-values"