/* GDB routines for manipulating objfiles.
- Copyright (C) 1992-2019 Free Software Foundation, Inc.
+ Copyright (C) 1992-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "btrace.h"
#include "gdbsupport/pathstuff.h"
+#include <algorithm>
#include <vector>
/* Keep a registry of per-objfile data-pointers required by other GDB
per_bfd = get_objfile_bfd_data (this, abfd);
}
-/* Retrieve the gdbarch associated with OBJFILE. */
-
-struct gdbarch *
-get_objfile_arch (const struct objfile *objfile)
-{
- return objfile->per_bfd->gdbarch;
-}
-
/* If there is a valid and known entry point, function fills *ENTRY_P with it
and returns non-zero; otherwise it returns zero. */
if (symfile_objfile == NULL || !symfile_objfile->per_bfd->ei.entry_point_p)
return 0;
+ int idx = symfile_objfile->per_bfd->ei.the_bfd_section_index;
*entry_p = (symfile_objfile->per_bfd->ei.entry_point
- + ANOFFSET (symfile_objfile->section_offsets,
- symfile_objfile->per_bfd->ei.the_bfd_section_index));
+ + symfile_objfile->section_offsets[idx]);
return 1;
}
if (parent != nullptr)
add_separate_debug_objfile (result, parent);
- current_program_space->add_objfile (result, parent);
+ /* Using std::make_shared might be a bit nicer here, but that would
+ require making the constructor public. */
+ current_program_space->add_objfile (std::shared_ptr<objfile> (result),
+ parent);
/* Rebuild section map next time we need it. */
get_objfile_pspace_data (current_program_space)->new_objfiles_available = 1;
objfile::unlink ()
{
current_program_space->remove_objfile (this);
- delete this;
}
/* Free all separate debug objfile of OBJFILE, but don't free OBJFILE
get_objfile_pspace_data (pspace)->section_map_dirty = 1;
}
-/* Free all the object files at once and clean up their users. */
-
-void
-free_all_objfiles (void)
-{
- struct so_list *so;
-
- /* Any objfile reference would become stale. */
- for (so = master_so_list (); so; so = so->next)
- gdb_assert (so->objfile == NULL);
-
- for (objfile *objfile : current_program_space->objfiles_safe ())
- objfile->unlink ();
- clear_symtab_users (0);
-}
\f
/* A helper function for objfile_relocate1 that relocates a single
symbol. */
static void
relocate_one_symbol (struct symbol *sym, struct objfile *objfile,
- struct section_offsets *delta)
+ const section_offsets &delta)
{
fixup_symbol_section (sym, objfile);
{
SET_SYMBOL_VALUE_ADDRESS (sym,
SYMBOL_VALUE_ADDRESS (sym)
- + ANOFFSET (delta, SYMBOL_SECTION (sym)));
+ + delta[SYMBOL_SECTION (sym)]);
}
}
static int
objfile_relocate1 (struct objfile *objfile,
- const struct section_offsets *new_offsets)
+ const section_offsets &new_offsets)
{
- struct section_offsets *delta =
- ((struct section_offsets *)
- alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)));
+ section_offsets delta (objfile->section_offsets.size ());
int something_changed = 0;
- for (int i = 0; i < objfile->num_sections; ++i)
+ for (int i = 0; i < objfile->section_offsets.size (); ++i)
{
- delta->offsets[i] =
- ANOFFSET (new_offsets, i) - ANOFFSET (objfile->section_offsets, i);
- if (ANOFFSET (delta, i) != 0)
+ delta[i] = new_offsets[i] - objfile->section_offsets[i];
+ if (delta[i] != 0)
something_changed = 1;
}
if (!something_changed)
if (l)
{
for (int i = 0; i < l->nitems; ++i)
- l->item[i].pc += ANOFFSET (delta,
- COMPUNIT_BLOCK_LINE_SECTION
- (cust));
+ l->item[i].pc += delta[COMPUNIT_BLOCK_LINE_SECTION (cust)];
}
}
}
int block_line_section = COMPUNIT_BLOCK_LINE_SECTION (cust);
if (BLOCKVECTOR_MAP (bv))
- addrmap_relocate (BLOCKVECTOR_MAP (bv),
- ANOFFSET (delta, block_line_section));
+ addrmap_relocate (BLOCKVECTOR_MAP (bv), delta[block_line_section]);
for (int i = 0; i < BLOCKVECTOR_NBLOCKS (bv); ++i)
{
struct mdict_iterator miter;
b = BLOCKVECTOR_BLOCK (bv, i);
- BLOCK_START (b) += ANOFFSET (delta, block_line_section);
- BLOCK_END (b) += ANOFFSET (delta, block_line_section);
+ BLOCK_START (b) += delta[block_line_section];
+ BLOCK_END (b) += delta[block_line_section];
if (BLOCK_RANGES (b) != nullptr)
for (int j = 0; j < BLOCK_NRANGES (b); j++)
{
- BLOCK_RANGE_START (b, j)
- += ANOFFSET (delta, block_line_section);
- BLOCK_RANGE_END (b, j) += ANOFFSET (delta,
- block_line_section);
+ BLOCK_RANGE_START (b, j) += delta[block_line_section];
+ BLOCK_RANGE_END (b, j) += delta[block_line_section];
}
/* We only want to iterate over the local symbols, not any
{
int i;
- for (i = 0; i < objfile->num_sections; ++i)
- (objfile->section_offsets)->offsets[i] = ANOFFSET (new_offsets, i);
+ for (i = 0; i < objfile->section_offsets.size (); ++i)
+ objfile->section_offsets[i] = new_offsets[i];
}
/* Rebuild section map next time we need it. */
void
objfile_relocate (struct objfile *objfile,
- const struct section_offsets *new_offsets)
+ const section_offsets &new_offsets)
{
int changed = 0;
addr_info_make_relative (&objfile_addrs, debug_objfile->obfd);
- gdb_assert (debug_objfile->num_sections
+ gdb_assert (debug_objfile->section_offsets.size ()
== gdb_bfd_count_sections (debug_objfile->obfd));
- std::vector<struct section_offsets>
- new_debug_offsets (SIZEOF_N_SECTION_OFFSETS (debug_objfile->num_sections));
- relative_addr_info_to_section_offsets (new_debug_offsets.data (),
- debug_objfile->num_sections,
- objfile_addrs);
+ section_offsets new_debug_offsets
+ (debug_objfile->section_offsets.size ());
+ relative_addr_info_to_section_offsets (new_debug_offsets, objfile_addrs);
- changed |= objfile_relocate1 (debug_objfile, new_debug_offsets.data ());
+ changed |= objfile_relocate1 (debug_objfile, new_debug_offsets);
}
/* Relocate breakpoints as necessary, after things are relocated. */
static int
objfile_rebase1 (struct objfile *objfile, CORE_ADDR slide)
{
- struct section_offsets *new_offsets =
- ((struct section_offsets *)
- alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections)));
- int i;
-
- for (i = 0; i < objfile->num_sections; ++i)
- new_offsets->offsets[i] = slide;
-
+ section_offsets new_offsets (objfile->section_offsets.size (), slide);
return objfile_relocate1 (objfile, new_offsets);
}
const CORE_ADDR sect2_endaddr = obj_section_endaddr (sect2);
- struct gdbarch *const gdbarch = get_objfile_arch (objf1);
+ struct gdbarch *const gdbarch = objf1->arch ();
complaint (_("unexpected overlap between:\n"
" (A) section `%s' from `%s' [%s, %s)\n"
(&get_objfile_pspace_data (pspace)->inhibit_updates, 1);
}
-/* Return 1 if ADDR maps into one of the sections of OBJFILE and 0
- otherwise. */
+/* See objfiles.h. */
-int
+bool
is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile)
{
struct obj_section *osect;
if (objfile == NULL)
- return 0;
+ return false;
ALL_OBJFILE_OSECTIONS (objfile, osect)
{
if (obj_section_addr (osect) <= addr
&& addr < obj_section_endaddr (osect))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
-int
+/* See objfiles.h. */
+
+bool
shared_objfile_contains_address_p (struct program_space *pspace,
CORE_ADDR address)
{
{
if ((objfile->flags & OBJF_SHARED) != 0
&& is_addr_in_objfile (address, objfile))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
/* The default implementation for the "iterate_over_objfiles_in_search_order"
projects / deliverable / binutils-gdb.git / blobdiff