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Move pending addrmap globals to buildsym_compunit

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This moves the pending addrmap-related globals into buildsym_compunit.

gdb/ChangeLog
2018-07-20  Tom Tromey  <tom@tromey.com>

	* buildsym.c (struct buildsym_compunit) <m_pending_addrmap,
	m_pending_addrmap_obstack, m_pending_addrmap_interesting>: New
	members.
	(pending_addrmap, pending_addrmap_obstack)
	(pending_addrmap_interesting): Remove.
	(scoped_free_pendings, record_block_range, make_blockvector)
	(prepare_for_building, reset_symtab_globals, buildsym_init):
	Update.
This commit is contained in:
Tom Tromey 2018-05-21 00:28:56 -06:00
parent 3c65e5b31c
commit 7ea05a7b63
2 changed files with 37 additions and 37 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2018-07-20 Tom Tromey <tom@tromey.com>
* buildsym.c (struct buildsym_compunit) <m_pending_addrmap,
m_pending_addrmap_obstack, m_pending_addrmap_interesting>: New
members.
(pending_addrmap, pending_addrmap_obstack)
(pending_addrmap_interesting): Remove.
(scoped_free_pendings, record_block_range, make_blockvector)
(prepare_for_building, reset_symtab_globals, buildsym_init):
Update.
2018-07-20 Tom Tromey <tom@tromey.com>
* xcoffread.c (process_linenos): Update.

63
gdb/buildsym.c
View File

@ -216,6 +216,22 @@ struct buildsym_compunit
std::vector<struct context_stack> m_context_stack;
struct subfile *m_current_subfile = nullptr;
/* The mutable address map for the compilation unit whose symbols
we're currently reading. The symtabs' shared blockvector will
point to a fixed copy of this. */
struct addrmap *m_pending_addrmap = nullptr;
/* The obstack on which we allocate pending_addrmap.
If pending_addrmap is NULL, this is uninitialized; otherwise, it is
initialized (and holds pending_addrmap). */
auto_obstack m_pending_addrmap_obstack;
/* True if we recorded any ranges in the addrmap that are different
from those in the blockvector already. We set this to false when
we start processing a symfile, and if it's still false at the
end, then we just toss the addrmap. */
bool m_pending_addrmap_interesting = false;
};
/* The work-in-progress of the compunit we are building.
@ -227,22 +243,6 @@ static struct buildsym_compunit *buildsym_compunit;
static struct pending *free_pendings;
/* The mutable address map for the compilation unit whose symbols
we're currently reading. The symtabs' shared blockvector will
point to a fixed copy of this. */
static struct addrmap *pending_addrmap;
/* The obstack on which we allocate pending_addrmap.
If pending_addrmap is NULL, this is uninitialized; otherwise, it is
initialized (and holds pending_addrmap). */
static struct obstack pending_addrmap_obstack;
/* Non-zero if we recorded any ranges in the addrmap that are
different from those in the blockvector already. We set this to
zero when we start processing a symfile, and if it's still zero at
the end, then we just toss the addrmap. */
static int pending_addrmap_interesting;
/* An obstack used for allocating pending blocks. */
static struct obstack pending_block_obstack;
@ -378,10 +378,6 @@ scoped_free_pendings::~scoped_free_pendings ()
}
global_symbols = NULL;
if (pending_addrmap)
obstack_free (&pending_addrmap_obstack, NULL);
pending_addrmap = NULL;
free_buildsym_compunit ();
}
@ -654,15 +650,14 @@ record_block_range (struct block *block,
need to record this block in the addrmap. */
if (start != BLOCK_START (block)
|| end_inclusive + 1 != BLOCK_END (block))
pending_addrmap_interesting = 1;
buildsym_compunit->m_pending_addrmap_interesting = true;
if (! pending_addrmap)
{
obstack_init (&pending_addrmap_obstack);
pending_addrmap = addrmap_create_mutable (&pending_addrmap_obstack);
}
if (buildsym_compunit->m_pending_addrmap == nullptr)
buildsym_compunit->m_pending_addrmap
= addrmap_create_mutable (&buildsym_compunit->m_pending_addrmap_obstack);
addrmap_set_empty (pending_addrmap, start, end_inclusive, block);
addrmap_set_empty (buildsym_compunit->m_pending_addrmap,
start, end_inclusive, block);
}
static struct blockvector *
@ -700,9 +695,11 @@ make_blockvector (void)
/* If we needed an address map for this symtab, record it in the
blockvector. */
if (pending_addrmap && pending_addrmap_interesting)
if (buildsym_compunit->m_pending_addrmap != nullptr
&& buildsym_compunit->m_pending_addrmap_interesting)
BLOCKVECTOR_MAP (blockvector)
= addrmap_create_fixed (pending_addrmap, &objfile->objfile_obstack);
= addrmap_create_fixed (buildsym_compunit->m_pending_addrmap,
&objfile->objfile_obstack);
else
BLOCKVECTOR_MAP (blockvector) = 0;
@ -1031,7 +1028,6 @@ prepare_for_building ()
a symtab, or by the scoped_free_pendings destructor. */
gdb_assert (file_symbols == NULL);
gdb_assert (global_symbols == NULL);
gdb_assert (pending_addrmap == NULL);
gdb_assert (buildsym_compunit == nullptr);
}
@ -1185,10 +1181,6 @@ reset_symtab_globals (void)
file_symbols = NULL;
global_symbols = NULL;
if (pending_addrmap)
obstack_free (&pending_addrmap_obstack, NULL);
pending_addrmap = NULL;
free_buildsym_compunit ();
}
@ -1775,14 +1767,11 @@ get_current_subfile ()
void
buildsym_init ()
{
pending_addrmap_interesting = 0;
/* Ensure the scoped_free_pendings destructor was called after
the last time. */
gdb_assert (free_pendings == NULL);
gdb_assert (pending_blocks == NULL);
gdb_assert (file_symbols == NULL);
gdb_assert (global_symbols == NULL);
gdb_assert (pending_addrmap == NULL);
gdb_assert (buildsym_compunit == NULL);
}