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* dwarf2read.c (process_psymtab_comp_unit): Initialize per_cu backlink

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at the same time as the forward link.
	(load_partial_comp_unit): Initialize per_cu links before calling
	init_cu_die_reader.
This commit is contained in:
Daniel Jacobowitz
2009-11-12 18:59:40 +00:00
parent c32fa91d70
commit 328c9494f5
2 changed files with 26 additions and 20 deletions
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7
gdb/ChangeLog
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@@ -1,3 +1,10 @@
2009-11-12 Daniel Jacobowitz <dan@codesourcery.com>
* dwarf2read.c (process_psymtab_comp_unit): Initialize per_cu backlink
at the same time as the forward link.
(load_partial_comp_unit): Initialize per_cu links before calling
init_cu_die_reader.
2009-11-11 Paul Pluzhnikov <ppluzhnikov@google.com>
PR gdb/10838

39
gdb/dwarf2read.c
View File

@@ -1887,6 +1887,20 @@ process_psymtab_comp_unit (struct objfile *objfile,
cu.list_in_scope = &file_symbols;
/* If this compilation unit was already read in, free the
cached copy in order to read it in again. This is
necessary because we skipped some symbols when we first
read in the compilation unit (see load_partial_dies).
This problem could be avoided, but the benefit is
unclear. */
if (this_cu->cu != NULL)
free_one_cached_comp_unit (this_cu->cu);
/* Note that this is a pointer to our stack frame, being
added to a global data structure. It will be cleaned up
in free_stack_comp_unit when we finish with this
compilation unit. */
this_cu->cu = &cu;
cu.per_cu = this_cu;
/* Read the abbrevs for this compilation unit into a table. */
@@ -1941,21 +1955,6 @@ process_psymtab_comp_unit (struct objfile *objfile,
/* Store the function that reads in the rest of the symbol table */
pst->read_symtab = dwarf2_psymtab_to_symtab;
/* If this compilation unit was already read in, free the
cached copy in order to read it in again. This is
necessary because we skipped some symbols when we first
read in the compilation unit (see load_partial_dies).
This problem could be avoided, but the benefit is
unclear. */
if (this_cu->cu != NULL)
free_one_cached_comp_unit (this_cu->cu);
/* Note that this is a pointer to our stack frame, being
added to a global data structure. It will be cleaned up
in free_stack_comp_unit when we finish with this
compilation unit. */
this_cu->cu = &cu;
this_cu->psymtab = pst;
dwarf2_find_base_address (comp_unit_die, &cu);
@@ -2153,6 +2152,11 @@ load_partial_comp_unit (struct dwarf2_per_cu_data *this_cu,
/* ??? Missing cleanup for CU? */
/* Link this compilation unit into the compilation unit tree. */
this_cu->cu = cu;
cu->per_cu = this_cu;
cu->type_hash = this_cu->type_hash;
info_ptr = partial_read_comp_unit_head (&cu->header, info_ptr,
dwarf2_per_objfile->info.buffer,
dwarf2_per_objfile->info.size,
@@ -2178,11 +2182,6 @@ load_partial_comp_unit (struct dwarf2_per_cu_data *this_cu,
else
set_cu_language (language_minimal, cu);
/* Link this compilation unit into the compilation unit tree. */
this_cu->cu = cu;
cu->per_cu = this_cu;
cu->type_hash = this_cu->type_hash;
/* Check if comp unit has_children.
If so, read the rest of the partial symbols from this comp unit.
If not, there's no more debug_info for this comp unit. */