/* Darwin support for GDB, the GNU debugger.
- Copyright (C) 2008-2013 Free Software Foundation, Inc.
+ Copyright (C) 2008-2016 Free Software Foundation, Inc.
Contributed by AdaCore.
#include "gdbcmd.h"
#include "gdbcore.h"
#include "mach-o.h"
-#include "gdb_assert.h"
#include "aout/stab_gnu.h"
#include "vec.h"
#include "psympriv.h"
#include "complaints.h"
#include "gdb_bfd.h"
-
-#include <string.h>
+#include <string>
/* If non-zero displays debugging message. */
static unsigned int mach_o_debug_level = 0;
/* Add symbol SYM to the minimal symbol table of OBJFILE. */
static void
-macho_symtab_add_minsym (struct objfile *objfile, const asymbol *sym)
+macho_symtab_add_minsym (minimal_symbol_reader &reader,
+ struct objfile *objfile, const asymbol *sym)
{
if (sym->name == NULL || *sym->name == '\0')
{
if (sym->flags & (BSF_GLOBAL | BSF_LOCAL | BSF_WEAK))
{
CORE_ADDR symaddr;
- CORE_ADDR offset;
enum minimal_symbol_type ms_type;
- offset = ANOFFSET (objfile->section_offsets,
- gdb_bfd_section_index (objfile->obfd, sym->section));
-
/* Bfd symbols are section relative. */
symaddr = sym->value + sym->section->vma;
- /* Select global/local/weak symbols. Note that bfd puts abs
- symbols in their own section, so all symbols we are
- interested in will have a section. */
- /* Relocate all non-absolute and non-TLS symbols by the
- section offset. */
- if (sym->section != bfd_abs_section_ptr
- && !(sym->section->flags & SEC_THREAD_LOCAL))
- symaddr += offset;
-
if (sym->section == bfd_abs_section_ptr)
ms_type = mst_abs;
else if (sym->section->flags & SEC_CODE)
else
return; /* Skip this symbol. */
- prim_record_minimal_symbol_and_info
- (sym->name, symaddr, ms_type,
- gdb_bfd_section_index (objfile->obfd, sym->section),
- objfile);
+ reader.record_with_info (sym->name, symaddr, ms_type,
+ gdb_bfd_section_index (objfile->obfd,
+ sym->section));
}
}
NUMBER_OF_SYMBOLS for OBJFILE. Registers OSO filenames found. */
static void
-macho_symtab_read (struct objfile *objfile,
+macho_symtab_read (minimal_symbol_reader &reader,
+ struct objfile *objfile,
long number_of_symbols, asymbol **symbol_table,
VEC (oso_el) **oso_vector_ptr)
{
long i;
- const asymbol *dir_so = NULL;
const asymbol *file_so = NULL;
asymbol **oso_file = NULL;
unsigned int nbr_syms = 0;
else
{
file_so = sym;
- dir_so = NULL;
state = S_FIRST_SO;
}
}
/* Debugging symbols are not expected here. */
complaint (&symfile_complaints,
_("%s: Unexpected debug stab outside SO markers"),
- objfile->name);
+ objfile_name (objfile));
}
else
{
/* Non-debugging symbols go to the minimal symbol table. */
- macho_symtab_add_minsym (objfile, sym);
+ macho_symtab_add_minsym (reader, objfile, sym);
}
break;
else if (state == S_FIRST_SO)
{
/* Second SO stab for the file name. */
- dir_so = file_so;
file_so = sym;
state = S_SECOND_SO;
}
{
complaint (&symfile_complaints, _("Missing nul SO"));
file_so = sym;
- dir_so = NULL;
state = S_FIRST_SO;
}
}
static int
get_archive_prefix_len (const char *name)
{
- char *lparen;
+ const char *lparen;
int name_len = strlen (name);
if (name_len == 0 || name[name_len - 1] != ')')
macho_resolve_oso_sym_with_minsym (struct objfile *main_objfile, asymbol *sym)
{
/* For common symbol and global symbols, use the min symtab. */
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
const char *name = sym->name;
if (name[0] == bfd_get_symbol_leading_char (main_objfile->obfd))
++name;
msym = lookup_minimal_symbol (name, NULL, main_objfile);
- if (msym == NULL)
+ if (msym.minsym == NULL)
{
warning (_("can't find symbol '%s' in minsymtab"), name);
return 0;
}
else
- return SYMBOL_VALUE_ADDRESS (msym);
+ return BMSYMBOL_VALUE_ADDRESS (msym);
}
/* Add oso file OSO/ABFD as a symbol file. */
static void
-macho_add_oso_symfile (oso_el *oso, bfd *abfd,
- struct objfile *main_objfile, int symfile_flags)
+macho_add_oso_symfile (oso_el *oso, bfd *abfd, const char *name,
+ struct objfile *main_objfile,
+ symfile_add_flags symfile_flags)
{
int storage;
int i;
from symfile.c:symbol_file_add_with_addrs_or_offsets. */
cleanup = make_cleanup_bfd_unref (abfd);
symbol_file_add_from_bfd
- (abfd, symfile_flags & ~(SYMFILE_MAINLINE | SYMFILE_VERBOSE), NULL,
+ (abfd, name, symfile_flags & ~(SYMFILE_MAINLINE | SYMFILE_VERBOSE), NULL,
main_objfile->flags & (OBJF_REORDERED | OBJF_SHARED
| OBJF_READNOW | OBJF_USERLOADED),
main_objfile);
static void
macho_symfile_read_all_oso (VEC (oso_el) **oso_vector_ptr,
struct objfile *main_objfile,
- int symfile_flags)
+ symfile_add_flags symfile_flags)
{
int ix;
VEC (oso_el) *vec = *oso_vector_ptr;
oso_el *oso;
- struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
/* Sort oso by name so that files from libraries are gathered. */
qsort (VEC_address (oso_el, vec), VEC_length (oso_el, vec),
{
bfd *archive_bfd;
bfd *member_bfd;
- char *archive_name = XNEWVEC (char, pfx_len + 1);
int last_ix;
oso_el *oso2;
int ix2;
- memcpy (archive_name, oso->name, pfx_len);
- archive_name[pfx_len] = '\0';
-
- make_cleanup (xfree, archive_name);
+ std::string archive_name (oso->name, pfx_len);
/* Compute number of oso for this archive. */
for (last_ix = ix;
VEC_iterate (oso_el, vec, last_ix, oso2); last_ix++)
{
- if (strncmp (oso2->name, archive_name, pfx_len) != 0)
+ if (strncmp (oso2->name, archive_name.c_str (), pfx_len) != 0)
break;
}
/* Open the archive and check the format. */
- archive_bfd = gdb_bfd_open (archive_name, gnutarget, -1);
+ archive_bfd = gdb_bfd_open (archive_name.c_str (), gnutarget, -1);
if (archive_bfd == NULL)
{
warning (_("Could not open OSO archive file \"%s\""),
- archive_name);
+ archive_name.c_str ());
ix = last_ix;
continue;
}
if (!bfd_check_format (archive_bfd, bfd_archive))
{
warning (_("OSO archive file \"%s\" not an archive."),
- archive_name);
+ archive_name.c_str ());
gdb_bfd_unref (archive_bfd);
ix = last_ix;
continue;
if (member_bfd == NULL)
{
warning (_("Could not read archive members out of "
- "OSO archive \"%s\""), archive_name);
+ "OSO archive \"%s\""), archive_name.c_str ());
gdb_bfd_unref (archive_bfd);
ix = last_ix;
continue;
member_len))
{
macho_add_oso_symfile (oso2, member_bfd,
+ bfd_get_filename (member_bfd),
main_objfile, symfile_flags);
oso2->name = NULL;
break;
warning (_("`%s': can't open to read symbols: %s."), oso->name,
bfd_errmsg (bfd_get_error ()));
else
- macho_add_oso_symfile (oso, abfd, main_objfile, symfile_flags);
+ macho_add_oso_symfile (oso, abfd, oso->name, main_objfile,
+ symfile_flags);
ix++;
}
}
-
- do_cleanups (cleanup);
}
/* DSYM (debug symbols) files contain the debug info of an executable.
executable name and the executable base name to get the DSYM file name. */
#define DSYM_SUFFIX ".dSYM/Contents/Resources/DWARF/"
-/* Check if a dsym file exists for OBJFILE. If so, returns a bfd for it.
- Return NULL if no valid dsym file is found. */
+/* Check if a dsym file exists for OBJFILE. If so, returns a bfd for it
+ and return *FILENAMEP with its original xmalloc-ated filename.
+ Return NULL if no valid dsym file is found (FILENAMEP is not used in
+ such case). */
static bfd *
-macho_check_dsym (struct objfile *objfile)
+macho_check_dsym (struct objfile *objfile, char **filenamep)
{
- size_t name_len = strlen (objfile->name);
+ size_t name_len = strlen (objfile_name (objfile));
size_t dsym_len = strlen (DSYM_SUFFIX);
- const char *base_name = lbasename (objfile->name);
+ const char *base_name = lbasename (objfile_name (objfile));
size_t base_len = strlen (base_name);
- char *dsym_filename = alloca (name_len + dsym_len + base_len + 1);
+ char *dsym_filename = (char *) alloca (name_len + dsym_len + base_len + 1);
bfd *dsym_bfd;
bfd_mach_o_load_command *main_uuid;
bfd_mach_o_load_command *dsym_uuid;
- strcpy (dsym_filename, objfile->name);
+ strcpy (dsym_filename, objfile_name (objfile));
strcpy (dsym_filename + name_len, DSYM_SUFFIX);
strcpy (dsym_filename + name_len + dsym_len, base_name);
if (bfd_mach_o_lookup_command (objfile->obfd,
BFD_MACH_O_LC_UUID, &main_uuid) == 0)
{
- warning (_("can't find UUID in %s"), objfile->name);
+ warning (_("can't find UUID in %s"), objfile_name (objfile));
return NULL;
}
dsym_bfd = gdb_bfd_openr (dsym_filename, gnutarget);
if (memcmp (dsym_uuid->command.uuid.uuid, main_uuid->command.uuid.uuid,
sizeof (main_uuid->command.uuid.uuid)))
{
- warning (_("dsym file UUID doesn't match the one in %s"), objfile->name);
+ warning (_("dsym file UUID doesn't match the one in %s"),
+ objfile_name (objfile));
gdb_bfd_unref (dsym_bfd);
return NULL;
}
+ *filenamep = xstrdup (dsym_filename);
return dsym_bfd;
}
static void
-macho_symfile_read (struct objfile *objfile, int symfile_flags)
+macho_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags)
{
bfd *abfd = objfile->obfd;
- CORE_ADDR offset;
long storage_needed;
bfd *dsym_bfd;
VEC (oso_el) *oso_vector = NULL;
be in the executable. */
if (bfd_get_file_flags (abfd) & (EXEC_P | DYNAMIC))
{
+ char *dsym_filename;
+
/* Process the normal symbol table first. */
storage_needed = bfd_get_symtab_upper_bound (objfile->obfd);
if (storage_needed < 0)
symbol_table = (asymbol **) xmalloc (storage_needed);
make_cleanup (xfree, symbol_table);
- init_minimal_symbol_collection ();
- make_cleanup_discard_minimal_symbols ();
+ minimal_symbol_reader reader (objfile);
symcount = bfd_canonicalize_symtab (objfile->obfd, symbol_table);
bfd_get_filename (objfile->obfd),
bfd_errmsg (bfd_get_error ()));
- macho_symtab_read (objfile, symcount, symbol_table, &oso_vector);
+ macho_symtab_read (reader, objfile, symcount, symbol_table,
+ &oso_vector);
- install_minimal_symbols (objfile);
+ reader.install ();
}
/* Try to read .eh_frame / .debug_frame. */
dwarf2_build_frame_info (objfile);
/* Check for DSYM file. */
- dsym_bfd = macho_check_dsym (objfile);
+ dsym_bfd = macho_check_dsym (objfile, &dsym_filename);
if (dsym_bfd != NULL)
{
- int ix;
- oso_el *oso;
struct bfd_section *asect, *dsect;
+ make_cleanup (xfree, dsym_filename);
+
if (mach_o_debug_level > 0)
printf_unfiltered (_("dsym file found\n"));
/* Add the dsym file as a separate file. */
make_cleanup_bfd_unref (dsym_bfd);
- symbol_file_add_separate (dsym_bfd, symfile_flags, objfile);
+ symbol_file_add_separate (dsym_bfd, dsym_filename, symfile_flags,
+ objfile);
/* Don't try to read dwarf2 from main file or shared libraries. */
do_cleanups (old_chain);
if (mach_o_debug_level > 0)
printf_unfiltered (_("Relocate section '%s' of %s\n"),
- sectp->name, objfile->name);
+ sectp->name, objfile_name (objfile));
return bfd_simple_get_relocated_section_contents (abfd, sectp, buf, NULL);
}
const struct section_addr_info *addrs)
{
unsigned int i;
- unsigned int num_sections;
struct obj_section *osect;
/* Allocate section_offsets. */
const char *bfd_sect_name = osect->the_bfd_section->name;
int sect_index = osect - objfile->sections;;
- if (strncmp (bfd_sect_name, "LC_SEGMENT.", 11) == 0)
+ if (startswith (bfd_sect_name, "LC_SEGMENT."))
bfd_sect_name += 11;
if (strcmp (bfd_sect_name, "__TEXT") == 0
|| strcmp (bfd_sect_name, "__TEXT.__text") == 0)
}
static const struct sym_fns macho_sym_fns = {
- bfd_target_mach_o_flavour,
-
macho_new_init, /* init anything gbl to entire symtab */
macho_symfile_init, /* read initial info, setup for sym_read() */
macho_symfile_read, /* read a symbol file into symtab */
void
_initialize_machoread (void)
{
- add_symtab_fns (&macho_sym_fns);
+ add_symtab_fns (bfd_target_mach_o_flavour, &macho_sym_fns);
add_setshow_zuinteger_cmd ("mach-o", class_obscure,
&mach_o_debug_level,
projects / deliverable / binutils-gdb.git / blobdiff