/* 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"
#include "stack.h"
#include "gdb_bfd.h"
#include "cli/cli-utils.h"
-#include "common/byte-vector.h"
-#include "common/selftest.h"
+#include "gdbsupport/byte-vector.h"
+#include "gdbsupport/pathstuff.h"
+#include "gdbsupport/selftest.h"
#include "cli/cli-style.h"
-#include "common/forward-scope-exit.h"
+#include "gdbsupport/forward-scope-exit.h"
#include <sys/types.h>
#include <fcntl.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;
{
int sectindex = sap[i].sectindex;
- sap[i].addr += objfile->section_offsets->offsets[sectindex];
+ sap[i].addr += objfile->section_offsets[sectindex];
}
return sap;
}
later, e.g. by the remote qOffsets packet, and then this will
be wrong! That's why we try segments first. */
- for (i = 0; i < objfile->num_sections; i++)
+ for (i = 0; i < objfile->section_offsets.size (); i++)
{
- if (ANOFFSET (objfile->section_offsets, i) != 0)
+ if (objfile->section_offsets[i] != 0)
{
break;
}
}
- if (i == objfile->num_sections)
+ if (i == objfile->section_offsets.size ())
{
if (objfile->sect_index_text == -1)
objfile->sect_index_text = 0;
struct place_section_arg
{
- struct section_offsets *offsets;
+ section_offsets *offsets;
CORE_ADDR lowest;
};
place_section (bfd *abfd, asection *sect, void *obj)
{
struct place_section_arg *arg = (struct place_section_arg *) obj;
- CORE_ADDR *offsets = arg->offsets->offsets, start_addr;
+ section_offsets &offsets = *arg->offsets;
+ CORE_ADDR 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
- filled-in) by addr_info_make_relative into SECTION_OFFSETS of NUM_SECTIONS
- entries. */
+ filled-in) by addr_info_make_relative into SECTION_OFFSETS. */
void
-relative_addr_info_to_section_offsets (struct section_offsets *section_offsets,
- int num_sections,
+relative_addr_info_to_section_offsets (section_offsets §ion_offsets,
const section_addr_info &addrs)
{
int i;
- memset (section_offsets, 0, SIZEOF_N_SECTION_OFFSETS (num_sections));
+ section_offsets.assign (section_offsets.size (), 0);
/* Now calculate offsets for section that were specified by the caller. */
for (i = 0; i < addrs.size (); i++)
/* Record all sections in offsets. */
/* The section_offsets in the objfile are here filled in using
the BFD index. */
- section_offsets->offsets[osp->sectindex] = osp->addr;
+ section_offsets[osp->sectindex] = osp->addr;
}
}
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
default_symfile_offsets (struct objfile *objfile,
const section_addr_info &addrs)
{
- objfile->num_sections = gdb_bfd_count_sections (objfile->obfd);
- objfile->section_offsets = (struct section_offsets *)
- obstack_alloc (&objfile->objfile_obstack,
- SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
- relative_addr_info_to_section_offsets (objfile->section_offsets,
- objfile->num_sections, addrs);
+ objfile->section_offsets.resize (gdb_bfd_count_sections (objfile->obfd));
+ relative_addr_info_to_section_offsets (objfile->section_offsets, addrs);
/* For relocatable files, all loadable sections will start at zero.
The zero is meaningless, so try to pick arbitrary addresses such
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)
{
- CORE_ADDR *offsets = objfile->section_offsets->offsets;
+ section_offsets &offsets = objfile->section_offsets;
/* Pick non-overlapping offsets for sections the user did not
place explicitly. */
- arg.offsets = objfile->section_offsets;
+ arg.offsets = &objfile->section_offsets;
arg.lowest = 0;
bfd_map_over_sections (objfile->obfd, place_section, &arg);
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);
(as gleaned by GDB's shared library code). We convert each address
into an offset from the section VMA's as it appears in the object
file, and then call the file's sym_offsets function to convert this
- into a format-specific offset table --- a `struct section_offsets'.
+ into a format-specific offset table --- a `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
/* No symbols to load, but we still need to make sure
that the section_offsets table is allocated. */
int num_sections = gdb_bfd_count_sections (objfile->obfd);
- size_t size = SIZEOF_N_SECTION_OFFSETS (num_sections);
- objfile->num_sections = num_sections;
- objfile->section_offsets
- = (struct section_offsets *) obstack_alloc (&objfile->objfile_obstack,
- size);
- memset (objfile->section_offsets, 0, size);
+ objfile->section_offsets.assign (num_sections, 0);
return;
}
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,
const char *dir_notarget = target_prefix ? dir + strlen ("target:") : dir;
std::vector<gdb::unique_xmalloc_ptr<char>> debugdir_vec
= dirnames_to_char_ptr_vec (debug_file_directory);
+ gdb::unique_xmalloc_ptr<char> canon_sysroot = gdb_realpath (gdb_sysroot);
+
+ /* MS-Windows/MS-DOS don't allow colons in file names; we must
+ convert the drive letter into a one-letter directory, so that the
+ file name resulting from splicing below will be valid.
+
+ FIXME: The below only works when GDB runs on MS-Windows/MS-DOS.
+ There are various remote-debugging scenarios where such a
+ transformation of the drive letter might be required when GDB runs
+ on a Posix host, see
+
+ https://sourceware.org/ml/gdb-patches/2019-04/msg00605.html
+
+ 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;
+ if (HAS_DRIVE_SPEC (dir_notarget))
+ {
+ drive = dir_notarget[0];
+ dir_notarget = STRIP_DRIVE_SPEC (dir_notarget);
+ }
for (const gdb::unique_xmalloc_ptr<char> &debugdir : debugdir_vec)
{
debugfile = target_prefix ? "target:" : "";
debugfile += debugdir.get ();
debugfile += "/";
+ debugfile += drive;
debugfile += dir_notarget;
debugfile += debuglink;
if (separate_debug_file_exists (debugfile, crc32, objfile))
return debugfile;
- /* If the file is in the sysroot, try using its base path in the
- global debugfile directory. */
- if (canon_dir != NULL
- && filename_ncmp (canon_dir, gdb_sysroot,
- strlen (gdb_sysroot)) == 0
- && IS_DIR_SEPARATOR (canon_dir[strlen (gdb_sysroot)]))
+ const char *base_path = NULL;
+ if (canon_dir != NULL)
{
+ if (canon_sysroot.get () != NULL)
+ base_path = child_path (canon_sysroot.get (), canon_dir);
+ else
+ base_path = child_path (gdb_sysroot, canon_dir);
+ }
+ if (base_path != NULL)
+ {
+ /* If the file is in the sysroot, try using its base path in
+ the global debugfile directory. */
debugfile = target_prefix ? "target:" : "";
debugfile += debugdir.get ();
- debugfile += (canon_dir + strlen (gdb_sysroot));
+ debugfile += "/";
+ debugfile += base_path;
+ debugfile += "/";
+ debugfile += debuglink;
+
+ if (separate_debug_file_exists (debugfile, crc32, objfile))
+ return debugfile;
+
+ /* If the file is in the sysroot, try using its base path in
+ the sysroot's global debugfile directory. */
+ debugfile = target_prefix ? "target:" : "";
+ debugfile += gdb_sysroot;
+ debugfile += debugdir.get ();
+ debugfile += "/";
+ debugfile += base_path;
debugfile += "/";
debugfile += debuglink;
if (separate_debug_file_exists (debugfile, crc32, objfile))
return debugfile;
}
+
}
return std::string ();
validate_readnow_readnever (flags);
+ /* Set SYMFILE_DEFER_BP_RESET because the proper displacement for a PIE
+ (Position Independent Executable) main symbol file will only be
+ computed by the solib_create_inferior_hook below. Without it,
+ breakpoint_re_set would fail to insert the breakpoints with the zero
+ displacement. */
+ add_flags |= SYMFILE_DEFER_BP_RESET;
+
symbol_file_add_main_1 (name, add_flags, flags, offset);
+
+ solib_create_inferior_hook (from_tty);
+
+ /* Now it's safe to re-add the breakpoints. */
+ breakpoint_re_set ();
}
}
if (lang == language_unknown)
{
- char *name = main_name ();
+ const char *name = main_name ();
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);
unsigned long write_count,
std::chrono::steady_clock::duration d);
+/* See symfile.h. */
+
void
generic_load (const char *args, int from_tty)
{
CORE_ADDR entry = bfd_get_start_address (loadfile_bfd.get ());
entry = gdbarch_addr_bits_remove (target_gdbarch (), entry);
uiout->text ("Start address ");
- uiout->field_fmt ("address", "%s", paddress (target_gdbarch (), entry));
+ uiout->field_core_addr ("address", target_gdbarch (), entry);
uiout->text (", load size ");
- uiout->field_fmt ("load-size", "%lu", total_progress.data_count);
+ uiout->field_unsigned ("load-size", total_progress.data_count);
uiout->text ("\n");
regcache_write_pc (get_current_regcache (), entry);
if (uiout->is_mi_like_p ())
{
- uiout->field_fmt ("transfer-rate", "%lu", rate * 8);
+ uiout->field_unsigned ("transfer-rate", rate * 8);
uiout->text (" bits/sec");
}
else if (rate < 1024)
{
- uiout->field_fmt ("transfer-rate", "%lu", rate);
+ uiout->field_unsigned ("transfer-rate", rate);
uiout->text (" bytes/sec");
}
else
{
- uiout->field_fmt ("transfer-rate", "%lu", rate / 1024);
+ uiout->field_unsigned ("transfer-rate", rate / 1024);
uiout->text (" KB/sec");
}
}
else
{
- uiout->field_fmt ("transferred-bits", "%lu", (data_count * 8));
+ uiout->field_unsigned ("transferred-bits", (data_count * 8));
uiout->text (" bits in <1 sec");
}
if (write_count > 0)
{
uiout->text (", ");
- uiout->field_fmt ("write-rate", "%lu", data_count / write_count);
+ uiout->field_unsigned ("write-rate", data_count / write_count);
uiout->text (" bytes/write");
}
uiout->text (".\n");
CORE_ADDR offset)
{
/* Add OFFSET to all sections by default. */
- std::vector<struct section_offsets> offsets (objf->num_sections,
- { { offset } });
+ section_offsets offsets (objf->section_offsets.size (), offset);
/* Create sorted lists of all sections in ADDRS as well as all
sections in OBJF. */
}
if (cmp == 0)
- offsets[objf_sect->sectindex].offsets[0] = 0;
+ offsets[objf_sect->sectindex] = 0;
}
/* Apply the new section offsets. */
- objfile_relocate (objf, offsets.data ());
+ objfile_relocate (objf, offsets);
}
/* This function allows the addition of incrementally linked object files.
It does not modify any state in the target, only in the debugger. */
-/* Note: ezannoni 2000-04-13 This function/command used to have a
- special case syntax for the rombug target (Rombug is the boot
- monitor for Microware's OS-9 / OS-9000, see remote-os9k.c). In the
- rombug case, the user doesn't need to supply a text address,
- instead a call to target_link() (in target.c) would supply the
- value to use. We are now discontinuing this type of ad hoc syntax. */
static void
add_symbol_file_command (const char *args, int from_tty)
objf = symbol_file_add (filename.get (), add_flags, §ion_addrs,
flags);
+ if (!objfile_has_symbols (objf) && objf->per_bfd->minimal_symbol_count <= 0)
+ warning (_("newly-added symbol file \"%s\" does not provide any symbols"),
+ filename.get ());
if (seen_offset)
set_objfile_default_section_offset (objf, section_addrs, offset);
objfile_name (objf)))
error (_("Not confirmed."));
- delete objf;
+ objf->unlink ();
clear_symtab_users (0);
}
void
reread_symbols (void)
{
- struct objfile *objfile;
long new_modtime;
struct stat new_statbuf;
int res;
std::vector<struct objfile *> new_objfiles;
- /* With the addition of shared libraries, this should be modified,
- the load time should be saved in the partial symbol tables, since
- different tables may come from different source files. FIXME.
- This routine should then walk down each partial symbol table
- and see if the symbol table that it originates from has been changed. */
-
- for (objfile = object_files; objfile; objfile = objfile->next)
+ for (objfile *objfile : current_program_space->objfiles ())
{
if (objfile->obfd == NULL)
continue;
new_modtime = new_statbuf.st_mtime;
if (new_modtime != objfile->mtime)
{
- struct section_offsets *offsets;
- int num_offsets;
-
printf_filtered (_("`%s' has changed; re-reading symbols.\n"),
objfile_name (objfile));
/* 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
error (_("Can't read symbols from %s: %s."), objfile_name (objfile),
bfd_errmsg (bfd_get_error ()));
- /* Save the offsets, we will nuke them with the rest of the
- objfile_obstack. */
- num_offsets = objfile->num_sections;
- offsets = ((struct section_offsets *)
- alloca (SIZEOF_N_SECTION_OFFSETS (num_offsets)));
- memcpy (offsets, objfile->section_offsets,
- SIZEOF_N_SECTION_OFFSETS (num_offsets));
-
objfile->reset_psymtabs ();
/* NB: after this call to obstack_free, objfiles_changed
objfile->sections = NULL;
objfile->compunit_symtabs = NULL;
objfile->template_symbols = NULL;
- objfile->static_links = NULL;
+ objfile->static_links.reset (nullptr);
/* obstack_init also initializes the obstack so it is
empty. We could use obstack_specify_allocation but
set_objfile_per_bfd (objfile);
objfile->original_name
- = (char *) obstack_copy0 (&objfile->objfile_obstack,
- original_name.c_str (),
- original_name.size ());
+ = obstack_strdup (&objfile->objfile_obstack, original_name);
/* Reset the sym_fns pointer. The ELF reader can change it
based on whether .gdb_index is present, and we need it to
objfile_set_sym_fns (objfile, find_sym_fns (objfile->obfd));
build_objfile_section_table (objfile);
- terminate_minimal_symbol_table (objfile);
-
- /* We use the same section offsets as from last time. I'm not
- sure whether that is always correct for shared libraries. */
- objfile->section_offsets = (struct section_offsets *)
- obstack_alloc (&objfile->objfile_obstack,
- SIZEOF_N_SECTION_OFFSETS (num_offsets));
- memcpy (objfile->section_offsets, offsets,
- SIZEOF_N_SECTION_OFFSETS (num_offsets));
- objfile->num_sections = num_offsets;
/* What the hell is sym_new_init for, anyway? The concept of
distinguishing between the main file and additional files
= OBSTACK_ZALLOC (&objfile->objfile_obstack, struct symtab);
symtab->filename
- = (const char *) bcache (filename, strlen (filename) + 1,
- objfile->per_bfd->filename_cache);
+ = ((const char *) objfile->per_bfd->filename_cache.insert
+ (filename, strlen (filename) + 1));
symtab->fullname = NULL;
symtab->language = deduce_language_from_filename (filename);
Just save the basename to avoid path issues (too long for display,
relative vs absolute, etc.). */
saved_name = lbasename (name);
- cu->name
- = (const char *) obstack_copy0 (&objfile->objfile_obstack, saved_name,
- strlen (saved_name));
+ cu->name = obstack_strdup (&objfile->objfile_obstack, saved_name);
COMPUNIT_DEBUGFORMAT (cu) = "unknown";
clear_pc_function_cache ();
gdb::observers::new_objfile.notify (NULL);
- /* Clear globals which might have pointed into a removed objfile.
- FIXME: It's not clear which of these are supposed to persist
- between expressions and which ought to be reset each time. */
- expression_context_block = NULL;
- innermost_block.reset ();
-
/* Varobj may refer to old symbols, perform a cleanup. */
varobj_invalidate ();
{
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. */
int
symfile_map_offsets_to_segments (bfd *abfd,
const struct symfile_segment_data *data,
- struct section_offsets *offsets,
+ section_offsets &offsets,
int num_segment_bases,
const CORE_ADDR *segment_bases)
{
if (which > num_segment_bases)
which = num_segment_bases;
- offsets->offsets[i] = (segment_bases[which - 1]
- - data->segment_bases[which - 1]);
+ offsets[i] = segment_bases[which - 1] - data->segment_bases[which - 1];
}
return 1;
SELF_CHECK (lang == language_unknown);
/* Test adding a new extension using the CLI command. */
- gdb::unique_xmalloc_ptr<char> args_holder (xstrdup (".hello rust"));
+ auto args_holder = make_unique_xstrdup (".hello rust");
ext_args = args_holder.get ();
set_ext_lang_command (NULL, 1, NULL);
&cmdlist);
c = add_cmd ("load", class_files, load_command, _("\
-Dynamically load FILE into the running program, and record its symbols\n\
-for access from GDB.\n\
+Dynamically load FILE into the running program.\n\
+FILE symbols are recorded for access from GDB.\n\
Usage: load [FILE] [OFFSET]\n\
An optional load OFFSET may also be given as a literal address.\n\
When OFFSET is provided, FILE must also be provided. FILE can be provided\n\
projects / deliverable / binutils-gdb.git / blobdiff