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Diffstat (limited to 'gdb/dwarf2read.c')
-rw-r--r--gdb/dwarf2read.c66
1 files changed, 54 insertions, 12 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index f5901c7..fe1f384 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -46,6 +46,7 @@
#include "hashtab.h"
#include "command.h"
#include "gdbcmd.h"
+#include "block.h"
#include "addrmap.h"
#include <fcntl.h>
@@ -2932,12 +2933,8 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
read_file_scope (die, cu);
break;
case DW_TAG_subprogram:
- read_func_scope (die, cu);
- break;
case DW_TAG_inlined_subroutine:
- /* FIXME: These are ignored for now.
- They could be used to set breakpoints on all inlined instances
- of a function and make GDB `next' properly over inlined functions. */
+ read_func_scope (die, cu);
break;
case DW_TAG_lexical_block:
case DW_TAG_try_block:
@@ -3291,7 +3288,9 @@ inherit_abstract_dies (struct die_info *die, struct dwarf2_cu *cu)
return;
origin_die = follow_die_ref (die, attr, &cu);
- if (die->tag != origin_die->tag)
+ if (die->tag != origin_die->tag
+ && !(die->tag == DW_TAG_inlined_subroutine
+ && origin_die->tag == DW_TAG_subprogram))
complaint (&symfile_complaints,
_("DIE 0x%x and its abstract origin 0x%x have different tags"),
die->offset, origin_die->offset);
@@ -3318,7 +3317,9 @@ inherit_abstract_dies (struct die_info *die, struct dwarf2_cu *cu)
struct die_info *child_origin_die;
child_origin_die = follow_die_ref (child_die, attr, &cu);
- if (child_die->tag != child_origin_die->tag)
+ if (child_die->tag != child_origin_die->tag
+ && !(child_die->tag == DW_TAG_inlined_subroutine
+ && child_origin_die->tag == DW_TAG_subprogram))
complaint (&symfile_complaints,
_("Child DIE 0x%x and its abstract origin 0x%x have "
"different tags"), child_die->offset,
@@ -3361,10 +3362,25 @@ read_func_scope (struct die_info *die, struct dwarf2_cu *cu)
CORE_ADDR lowpc;
CORE_ADDR highpc;
struct die_info *child_die;
- struct attribute *attr;
+ struct attribute *attr, *call_line, *call_file;
char *name;
CORE_ADDR baseaddr;
struct block *block;
+ int inlined_func = (die->tag == DW_TAG_inlined_subroutine);
+
+ if (inlined_func)
+ {
+ /* If we do not have call site information, we can't show the
+ caller of this inlined function. That's too confusing, so
+ only use the scope for local variables. */
+ call_line = dwarf2_attr (die, DW_AT_call_line, cu);
+ call_file = dwarf2_attr (die, DW_AT_call_file, cu);
+ if (call_line == NULL || call_file == NULL)
+ {
+ read_lexical_block_scope (die, cu);
+ return;
+ }
+ }
baseaddr = ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
@@ -7016,7 +7032,9 @@ die_is_declaration (struct die_info *die, struct dwarf2_cu *cu)
/* Return the die giving the specification for DIE, if there is
one. *SPEC_CU is the CU containing DIE on input, and the CU
- containing the return value on output. */
+ containing the return value on output. If there is no
+ specification, but there is an abstract origin, that is
+ returned. */
static struct die_info *
die_specification (struct die_info *die, struct dwarf2_cu **spec_cu)
@@ -7025,6 +7043,9 @@ die_specification (struct die_info *die, struct dwarf2_cu **spec_cu)
*spec_cu);
if (spec_attr == NULL)
+ spec_attr = dwarf2_attr (die, DW_AT_abstract_origin, *spec_cu);
+
+ if (spec_attr == NULL)
return NULL;
else
return follow_die_ref (die, spec_attr, spec_cu);
@@ -7720,6 +7741,7 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
struct attribute *attr = NULL;
struct attribute *attr2 = NULL;
CORE_ADDR baseaddr;
+ int inlined_func = (die->tag == DW_TAG_inlined_subroutine);
baseaddr = ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
@@ -7747,13 +7769,17 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
SYMBOL_TYPE (sym) = type;
else
SYMBOL_TYPE (sym) = die_type (die, cu);
- attr = dwarf2_attr (die, DW_AT_decl_line, cu);
+ attr = dwarf2_attr (die,
+ inlined_func ? DW_AT_call_line : DW_AT_decl_line,
+ cu);
if (attr)
{
SYMBOL_LINE (sym) = DW_UNSND (attr);
}
- attr = dwarf2_attr (die, DW_AT_decl_file, cu);
+ attr = dwarf2_attr (die,
+ inlined_func ? DW_AT_call_file : DW_AT_decl_file,
+ cu);
if (attr)
{
int file_index = DW_UNSND (attr);
@@ -7800,6 +7826,14 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
add_symbol_to_list (sym, cu->list_in_scope);
}
break;
+ case DW_TAG_inlined_subroutine:
+ /* SYMBOL_BLOCK_VALUE (sym) will be filled in later by
+ finish_block. */
+ SYMBOL_CLASS (sym) = LOC_BLOCK;
+ SYMBOL_INLINED (sym) = 1;
+ /* Do not add the symbol to any lists. It will be found via
+ BLOCK_FUNCTION from the blockvector. */
+ break;
case DW_TAG_variable:
/* Compilation with minimal debug info may result in variables
with missing type entries. Change the misleading `void' type
@@ -7853,7 +7887,14 @@ new_symbol (struct die_info *die, struct type *type, struct dwarf2_cu *cu)
}
break;
case DW_TAG_formal_parameter:
- SYMBOL_IS_ARGUMENT (sym) = 1;
+ /* If we are inside a function, mark this as an argument. If
+ not, we might be looking at an argument to an inlined function
+ when we do not have enough information to show inlined frames;
+ pretend it's a local variable in that case so that the user can
+ still see it. */
+ if (context_stack_depth > 0
+ && context_stack[context_stack_depth - 1].name != NULL)
+ SYMBOL_IS_ARGUMENT (sym) = 1;
attr = dwarf2_attr (die, DW_AT_location, cu);
if (attr)
{
@@ -8194,6 +8235,7 @@ read_type_die (struct die_info *die, struct dwarf2_cu *cu)
break;
case DW_TAG_subprogram:
case DW_TAG_subroutine_type:
+ case DW_TAG_inlined_subroutine:
this_type = read_subroutine_type (die, cu);
break;
case DW_TAG_array_type:
generated by cgit v1.1 at 2025-02-01 23:11:17 +0000