/* Generic symbol file reading for the GNU debugger, GDB.
- Copyright (C) 1990-2019 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
#include "completer.h"
#include "bcache.h"
#include "hashtab.h"
-#include "readline/readline.h"
+#include "readline/tilde.h"
#include "block.h"
#include "observable.h"
#include "exec.h"
};
static const char *print_symbol_loading = print_symbol_loading_full;
-/* If non-zero, shared library symbols will be added automatically
- when the inferior is created, new libraries are loaded, or when
- attaching to the inferior. This is almost always what users will
- want to have happen; but for very large programs, the startup time
- will be excessive, and so if this is a problem, the user can clear
- this flag and then add the shared library symbols as needed. Note
- that there is a potential for confusion, since if the shared
- library symbols are not loaded, commands like "info fun" will *not*
- report all the functions that are actually present. */
-
-int auto_solib_add = 1;
+/* See symfile.h. */
+
+bool auto_solib_add = true;
\f
/* Return non-zero if symbol-loading messages should be printed.
{
asection **lowest = (asection **) obj;
- if (0 == (bfd_get_section_flags (abfd, sect) & (SEC_ALLOC | SEC_LOAD)))
+ if (0 == (bfd_section_flags (sect) & (SEC_ALLOC | SEC_LOAD)))
return;
if (!*lowest)
*lowest = sect; /* First loadable section */
- else if (bfd_section_vma (abfd, *lowest) > bfd_section_vma (abfd, sect))
+ else if (bfd_section_vma (*lowest) > bfd_section_vma (sect))
*lowest = sect; /* A lower loadable section */
- else if (bfd_section_vma (abfd, *lowest) == bfd_section_vma (abfd, sect)
- && (bfd_section_size (abfd, (*lowest))
- <= bfd_section_size (abfd, sect)))
+ else if (bfd_section_vma (*lowest) == bfd_section_vma (sect)
+ && (bfd_section_size (*lowest) <= bfd_section_size (sect)))
*lowest = sect;
}
struct bfd_section *asect = stp->the_bfd_section;
bfd *abfd = asect->owner;
- if (bfd_get_section_flags (abfd, asect) & (SEC_ALLOC | SEC_LOAD)
+ if (bfd_section_flags (asect) & (SEC_ALLOC | SEC_LOAD)
&& sap.size () < end - start)
sap.emplace_back (stp->addr,
- bfd_section_name (abfd, asect),
+ bfd_section_name (asect),
gdb_bfd_section_index (abfd, asect));
}
section_addr_info sap;
for (sec = abfd->sections; sec != NULL; sec = sec->next)
- if (bfd_get_section_flags (abfd, sec) & (SEC_ALLOC | SEC_LOAD))
- sap.emplace_back (bfd_get_section_vma (abfd, sec),
- bfd_get_section_name (abfd, sec),
+ if (bfd_section_flags (sec) & (SEC_ALLOC | SEC_LOAD))
+ sap.emplace_back (bfd_section_vma (sec),
+ bfd_section_name (sec),
gdb_bfd_section_index (abfd, sec));
return sap;
struct place_section_arg *arg = (struct place_section_arg *) obj;
CORE_ADDR *offsets = arg->offsets->offsets, start_addr;
int done;
- ULONGEST align = ((ULONGEST) 1) << bfd_get_section_alignment (abfd, sect);
+ ULONGEST align = ((ULONGEST) 1) << bfd_section_alignment (sect);
/* We are only interested in allocated sections. */
- if ((bfd_get_section_flags (abfd, sect) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (sect) & SEC_ALLOC) == 0)
return;
/* If the user specified an offset, honor it. */
continue;
/* We can only conflict with allocated sections. */
- if ((bfd_get_section_flags (abfd, cur_sec) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (cur_sec) & SEC_ALLOC) == 0)
continue;
/* If the section offset is 0, either the section has not been placed
continue;
/* If this section would overlap us, then we must move up. */
- if (start_addr + bfd_get_section_size (sect) > offsets[indx]
- && start_addr < offsets[indx] + bfd_get_section_size (cur_sec))
+ if (start_addr + bfd_section_size (sect) > offsets[indx]
+ && start_addr < offsets[indx] + bfd_section_size (cur_sec))
{
- start_addr = offsets[indx] + bfd_get_section_size (cur_sec);
+ start_addr = offsets[indx] + bfd_section_size (cur_sec);
start_addr = (start_addr + align - 1) & -align;
done = 0;
break;
while (!done);
offsets[gdb_bfd_section_index (abfd, sect)] = start_addr;
- arg->lowest = start_addr + bfd_get_section_size (sect);
+ arg->lowest = start_addr + bfd_section_size (sect);
}
/* Store section_addr_info as prepared (made relative and with SECTINDEX
int i;
/* Find lowest loadable section to be used as starting point for
- continguous sections. */
+ contiguous sections. */
lower_sect = NULL;
bfd_map_over_sections (abfd, find_lowest_section, &lower_sect);
if (lower_sect == NULL)
lower_offset = 0;
}
else
- lower_offset = bfd_section_vma (bfd_get_filename (abfd), lower_sect);
+ lower_offset = bfd_section_vma (lower_sect);
/* Create ADDRS_TO_ABFD_ADDRS array to map the sections in ADDRS to sections
in ABFD. Section names are not unique - there can be multiple sections of
for (cur_sec = abfd->sections; cur_sec != NULL; cur_sec = cur_sec->next)
/* We do not expect this to happen; just skip this step if the
relocatable file has a section with an assigned VMA. */
- if (bfd_section_vma (abfd, cur_sec) != 0)
+ if (bfd_section_vma (cur_sec) != 0)
break;
if (cur_sec == NULL)
for (cur_sec = abfd->sections; cur_sec != NULL;
cur_sec = cur_sec->next)
{
- if ((bfd_get_section_flags (abfd, cur_sec) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (cur_sec) & SEC_ALLOC) == 0)
continue;
- bfd_set_section_vma (abfd, cur_sec, offsets[cur_sec->index]);
+ bfd_set_section_vma (cur_sec, offsets[cur_sec->index]);
exec_set_section_address (bfd_get_filename (abfd),
cur_sec->index,
offsets[cur_sec->index]);
/* Make sure there is at least one loadable section in the file. */
for (sect = abfd->sections; sect != NULL; sect = sect->next)
{
- if ((bfd_get_section_flags (abfd, sect) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (sect) & SEC_ALLOC) == 0)
continue;
break;
if (sect == NULL)
return NULL;
- low = bfd_get_section_vma (abfd, sect);
- high = low + bfd_get_section_size (sect);
+ low = bfd_section_vma (sect);
+ high = low + bfd_section_size (sect);
data = XCNEW (struct symfile_segment_data);
data->num_segments = 1;
{
CORE_ADDR vma;
- if ((bfd_get_section_flags (abfd, sect) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (sect) & SEC_ALLOC) == 0)
continue;
- vma = bfd_get_section_vma (abfd, sect);
+ vma = bfd_section_vma (sect);
if (vma < low)
low = vma;
- if (vma + bfd_get_section_size (sect) > high)
- high = vma + bfd_get_section_size (sect);
+ if (vma + bfd_section_size (sect) > high)
+ high = vma + bfd_section_size (sect);
data->segment_info[i] = 1;
}
}
}
if ((add_flags & SYMFILE_NO_READ) == 0)
- require_partial_symbols (objfile, 0);
+ require_partial_symbols (objfile, false);
}
/* Initialize entry point information for this objfile. */
{
struct bfd_section *sect = osect->the_bfd_section;
- if (entry_point >= bfd_get_section_vma (objfile->obfd, sect)
- && entry_point < (bfd_get_section_vma (objfile->obfd, sect)
- + bfd_get_section_size (sect)))
+ if (entry_point >= bfd_section_vma (sect)
+ && entry_point < (bfd_section_vma (sect)
+ + bfd_section_size (sect)))
{
ei->the_bfd_section_index
= gdb_bfd_section_index (objfile->obfd, sect);
into a format-specific offset table --- a `struct section_offsets'.
The sectindex field is used to control the ordering of sections
with the same name. Upon return, it is updated to contain the
- correspondig BFD section index, or -1 if the section was not found.
+ corresponding BFD section index, or -1 if the section was not found.
ADD_FLAGS encodes verbosity level, whether this is main symbol or
- an extra symbol file such as dynamically loaded code, and wether
+ an extra symbol file such as dynamically loaded code, and whether
breakpoint reset should be deferred. */
static void
if an error occurs during symbol reading. */
gdb::optional<clear_symtab_users_cleanup> defer_clear_users;
- std::unique_ptr<struct objfile> objfile_holder (objfile);
+ objfile_up objfile_holder (objfile);
/* If ADDRS is NULL, put together a dummy address list.
We now establish the convention that an addr of zero means
if (symfile_objfile != NULL)
{
- delete symfile_objfile;
+ symfile_objfile->unlink ();
gdb_assert (symfile_objfile == NULL);
}
For NAME description see the objfile constructor.
ADD_FLAGS encodes verbosity, whether this is main symbol file or
- extra, such as dynamically loaded code, and what to do with breakpoins.
+ extra, such as dynamically loaded code, and what to do with breakpoints.
ADDRS is as described for syms_from_objfile_1, above.
ADDRS is ignored when SYMFILE_MAINLINE bit is set in ADD_FLAGS.
if (mainline)
flags |= OBJF_MAINLINE;
- objfile = new struct objfile (abfd, name, flags);
-
- if (parent)
- add_separate_debug_objfile (objfile, parent);
+ objfile = objfile::make (abfd, name, flags, parent);
/* We either created a new mapped symbol table, mapped an existing
symbol table file which has not had initial symbol reading
if (deprecated_pre_add_symbol_hook)
deprecated_pre_add_symbol_hook (name);
else
- {
- puts_filtered (_("Reading symbols from "));
- fputs_styled (name, file_name_style.style (), gdb_stdout);
- puts_filtered ("...\n");
- }
+ printf_filtered (_("Reading symbols from %ps...\n"),
+ styled_string (file_name_style.style (), name));
}
syms_from_objfile (objfile, addrs, add_flags);
if ((flags & OBJF_READNOW))
{
if (should_print)
- printf_filtered (_("Expanding full symbols from %s...\n"), name);
+ printf_filtered (_("Expanding full symbols from %ps...\n"),
+ styled_string (file_name_style.style (), name));
if (objfile->sf)
objfile->sf->qf->expand_all_symtabs (objfile);
file, and so printing it twice is just redundant. */
if (should_print && !objfile_has_symbols (objfile)
&& objfile->separate_debug_objfile == nullptr)
- printf_filtered (_("(No debugging symbols found in %s)\n"), name);
+ printf_filtered (_("(No debugging symbols found in %ps)\n"),
+ styled_string (file_name_style.style (), name));
if (should_print)
{
objfiles get stale by free_all_objfiles. */
no_shared_libraries (NULL, from_tty);
- free_all_objfiles ();
+ current_program_space->free_all_objfiles ();
gdb_assert (symfile_objfile == NULL);
if (from_tty)
/* See symfile.h. */
-int separate_debug_file_debug = 0;
+bool separate_debug_file_debug = false;
static int
separate_debug_file_exists (const std::string &name, unsigned long crc,
https://sourceware.org/ml/gdb-patches/2019-04/msg00605.html
- If some of those scenarions need to be supported, we will need to
+ If some of those scenarios need to be supported, we will need to
use a different condition for HAS_DRIVE_SPEC and a different macro
instead of STRIP_DRIVE_SPEC, which work on Posix systems as well. */
std::string drive;
struct symbol *sym = lookup_symbol (name, NULL, VAR_DOMAIN, NULL).symbol;
if (sym != NULL)
- lang = SYMBOL_LANGUAGE (sym);
+ lang = sym->language ();
}
if (lang == language_unknown)
{
bfd_size_type *sum = (bfd_size_type *) data;
- *sum += bfd_get_section_size (asec);
+ *sum += bfd_section_size (asec);
}
/* Opaque data for load_progress. */
load_section_callback (bfd *abfd, asection *asec, void *data)
{
struct load_section_data *args = (struct load_section_data *) data;
- bfd_size_type size = bfd_get_section_size (asec);
- const char *sect_name = bfd_get_section_name (abfd, asec);
+ bfd_size_type size = bfd_section_size (asec);
+ const char *sect_name = bfd_section_name (asec);
- if ((bfd_get_section_flags (abfd, asec) & SEC_LOAD) == 0)
+ if ((bfd_section_flags (asec) & SEC_LOAD) == 0)
return;
if (size == 0)
return;
- ULONGEST begin = bfd_section_lma (abfd, asec) + args->load_offset;
+ ULONGEST begin = bfd_section_lma (asec) + args->load_offset;
ULONGEST end = begin + size;
gdb_byte *buffer = (gdb_byte *) xmalloc (size);
bfd_get_section_contents (abfd, asec, buffer, 0, size);
objfile_name (objf)))
error (_("Not confirmed."));
- delete objf;
+ objf->unlink ();
clear_symtab_users (0);
}
/* If we get an error, blow away this objfile (not sure if
that is the correct response for things like shared
libraries). */
- std::unique_ptr<struct objfile> objfile_holder (objfile);
+ objfile_up objfile_holder (objfile);
/* We need to do this whenever any symbols go away. */
clear_symtab_users_cleanup defer_clear_users (0);
automatically recreated by sym_read. */
free_objfile_separate_debug (objfile);
+ /* Clear the stale source cache. */
+ forget_cached_source_info ();
+
/* Remove any references to this objfile in the global
value lists. */
preserve_values (objfile);
/* Clean up any state BFD has sitting around. */
{
gdb_bfd_ref_ptr obfd (objfile->obfd);
- char *obfd_filename;
+ const char *obfd_filename;
obfd_filename = bfd_get_filename (objfile->obfd);
/* Open the new BFD before freeing the old one, so that
{
asection *bfd_section = section->the_bfd_section;
- if (bfd_section_lma (abfd, bfd_section) != 0
- && bfd_section_lma (abfd, bfd_section)
- != bfd_section_vma (abfd, bfd_section))
+ if (bfd_section_lma (bfd_section) != 0
+ && bfd_section_lma (bfd_section) != bfd_section_vma (bfd_section))
return 1;
}
{
if (section_is_overlay (section))
{
- bfd *abfd = section->objfile->obfd;
asection *bfd_section = section->the_bfd_section;
/* We assume the LMA is relocated by the same offset as the VMA. */
- bfd_vma size = bfd_get_section_size (bfd_section);
+ bfd_vma size = bfd_section_size (bfd_section);
CORE_ADDR offset = obj_section_offset (section);
- if (bfd_get_section_lma (abfd, bfd_section) + offset <= pc
- && pc < bfd_get_section_lma (abfd, bfd_section) + offset + size)
+ if (bfd_section_lma (bfd_section) + offset <= pc
+ && pc < bfd_section_lma (bfd_section) + offset + size)
return 1;
}
{
asection *bfd_section = section->the_bfd_section;
- return pc + bfd_section_lma (abfd, bfd_section)
- - bfd_section_vma (abfd, bfd_section);
+ return (pc + bfd_section_lma (bfd_section)
+ - bfd_section_vma (bfd_section));
}
return pc;
{
asection *bfd_section = section->the_bfd_section;
- return pc + bfd_section_vma (abfd, bfd_section)
- - bfd_section_lma (abfd, bfd_section);
+ return (pc + bfd_section_vma (bfd_section)
+ - bfd_section_lma (bfd_section));
}
return pc;
bfd_vma lma, vma;
int size;
- vma = bfd_section_vma (objfile->obfd, osect->the_bfd_section);
- lma = bfd_section_lma (objfile->obfd, osect->the_bfd_section);
- size = bfd_get_section_size (osect->the_bfd_section);
- name = bfd_section_name (objfile->obfd, osect->the_bfd_section);
+ vma = bfd_section_vma (osect->the_bfd_section);
+ lma = bfd_section_lma (osect->the_bfd_section);
+ size = bfd_section_size (osect->the_bfd_section);
+ name = bfd_section_name (osect->the_bfd_section);
printf_filtered ("Section %s, loaded at ", name);
fputs_filtered (paddress (gdbarch, lma), gdb_stdout);
/* First, find a section matching the user supplied argument. */
for (objfile *obj_file : current_program_space->objfiles ())
ALL_OBJFILE_OSECTIONS (obj_file, sec)
- if (!strcmp (bfd_section_name (obj_file->obfd, sec->the_bfd_section),
- args))
+ if (!strcmp (bfd_section_name (sec->the_bfd_section), args))
{
/* Now, check to see if the section is an overlay. */
if (!section_is_overlay (sec))
{
if (info_verbose)
printf_unfiltered (_("Note: section %s unmapped by overlap\n"),
- bfd_section_name (obj_file->obfd,
- sec2->the_bfd_section));
+ bfd_section_name (sec2->the_bfd_section));
sec2->ovly_mapped = 0; /* sec2 overlaps sec: unmap sec2. */
}
return;
/* First, find a section matching the user supplied argument. */
for (objfile *objfile : current_program_space->objfiles ())
ALL_OBJFILE_OSECTIONS (objfile, sec)
- if (!strcmp (bfd_section_name (objfile->obfd, sec->the_bfd_section), args))
+ if (!strcmp (bfd_section_name (sec->the_bfd_section), args))
{
if (!sec->ovly_mapped)
error (_("Section %s is not mapped"), args);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
for (i = 0; i < cache_novlys; i++)
- if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
- && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect))
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (bsect))
{
read_target_long_array (cache_ovly_table_base + i * word_size,
(unsigned int *) cache_ovly_table[i],
4, word_size, byte_order);
- if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
- && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect))
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (bsect))
{
osect->ovly_mapped = cache_ovly_table[i][MAPPED];
return 1;
asection *bsect = osect->the_bfd_section;
for (i = 0; i < cache_novlys; i++)
- if (cache_ovly_table[i][VMA] == bfd_section_vma (obfd, bsect)
- && cache_ovly_table[i][LMA] == bfd_section_lma (obfd, bsect))
+ if (cache_ovly_table[i][VMA] == bfd_section_vma (bsect)
+ && cache_ovly_table[i][LMA] == bfd_section_lma (bsect))
{ /* obj_section matches i'th entry in ovly_table. */
osect->ovly_mapped = cache_ovly_table[i][MAPPED];
break; /* finished with inner for loop: break out. */