/* Read dbx symbol tables and convert to internal format, for GDB.
- Copyright (C) 1986-2018 Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
/* Key for dbx-associated data. */
-const struct objfile_data *dbx_objfile_data_key;
+objfile_key<dbx_symfile_info> dbx_objfile_data_key;
/* We put a pointer to this structure in the read_symtab_private field
of the psymtab. */
CORE_ADDR end = 0;
for (sec = sym_bfd->sections; sec; sec = sec->next)
- if (bfd_get_section_flags (sym_bfd, sec) & SEC_CODE)
+ if (bfd_section_flags (sec) & SEC_CODE)
{
- CORE_ADDR sec_start = bfd_section_vma (sym_bfd, sec);
- CORE_ADDR sec_end = sec_start + bfd_section_size (sym_bfd, sec);
+ CORE_ADDR sec_start = bfd_section_vma (sec);
+ CORE_ADDR sec_end = sec_start + bfd_section_size (sec);
if (found_any)
{
struct header_file_location
{
header_file_location (const char *name_, int instance_,
- struct partial_symtab *pst_)
+ legacy_psymtab *pst_)
: name (name_),
instance (instance_),
pst (pst_)
const char *name; /* Name of header file */
int instance; /* See above */
- struct partial_symtab *pst; /* Partial symtab that has the
+ legacy_psymtab *pst; /* Partial symtab that has the
BINCL/EINCL defs for this file. */
};
/* Local function prototypes. */
-static void read_ofile_symtab (struct objfile *, struct partial_symtab *);
+static void read_ofile_symtab (struct objfile *, legacy_psymtab *);
-static void dbx_read_symtab (struct partial_symtab *self,
+static void dbx_read_symtab (legacy_psymtab *self,
struct objfile *objfile);
-static void dbx_psymtab_to_symtab_1 (struct objfile *, struct partial_symtab *);
+static void dbx_expand_psymtab (legacy_psymtab *, struct objfile *);
static void read_dbx_symtab (minimal_symbol_reader &, struct objfile *);
-static struct partial_symtab *find_corresponding_bincl_psymtab (const char *,
+static legacy_psymtab *find_corresponding_bincl_psymtab (const char *,
int);
static const char *dbx_next_symbol_text (struct objfile *);
static void add_this_object_header_file (int);
-static struct partial_symtab *start_psymtab (struct objfile *, const char *,
- CORE_ADDR, int,
- std::vector<partial_symbol *> &,
- std::vector<partial_symbol *> &);
+static legacy_psymtab *start_psymtab (struct objfile *, const char *,
+ CORE_ADDR, int);
/* Free up old header file tables. */
perror_with_name (objfile_name (objfile));
/* Size the symbol table. */
- if (objfile->global_psymbols.capacity () == 0
- && objfile->static_psymbols.capacity () == 0)
- init_psymbol_list (objfile, DBX_SYMCOUNT (objfile));
+ init_psymbol_list (objfile, DBX_SYMCOUNT (objfile));
symbol_size = DBX_SYMBOL_SIZE (objfile);
symbol_table_offset = DBX_SYMTAB_OFFSET (objfile);
{
int val;
bfd *sym_bfd = objfile->obfd;
- char *name = bfd_get_filename (sym_bfd);
+ const char *name = bfd_get_filename (sym_bfd);
asection *text_sect;
unsigned char size_temp[DBX_STRINGTAB_SIZE_SIZE];
- struct dbx_symfile_info *dbx;
/* Allocate struct to keep track of the symfile. */
- dbx = XCNEW (struct dbx_symfile_info);
- set_objfile_data (objfile, dbx_objfile_data_key, dbx);
+ dbx_objfile_data_key.emplace (objfile);
DBX_TEXT_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".text");
DBX_DATA_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".data");
text_sect = bfd_get_section_by_name (sym_bfd, ".text");
if (!text_sect)
error (_("Can't find .text section in symbol file"));
- DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
- DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
+ DBX_TEXT_ADDR (objfile) = bfd_section_vma (text_sect);
+ DBX_TEXT_SIZE (objfile) = bfd_section_size (text_sect);
DBX_SYMBOL_SIZE (objfile) = obj_symbol_entry_size (sym_bfd);
DBX_SYMCOUNT (objfile) = bfd_get_symcount (sym_bfd);
free_header_files ();
}
-static void
-dbx_free_symfile_info (struct objfile *objfile, void *arg)
+dbx_symfile_info::~dbx_symfile_info ()
{
- struct dbx_symfile_info *dbx = (struct dbx_symfile_info *) arg;
-
- if (dbx->header_files != NULL)
+ if (header_files != NULL)
{
- int i = dbx->n_header_files;
- struct header_file *hfiles = dbx->header_files;
+ int i = n_header_files;
+ struct header_file *hfiles = header_files;
while (--i >= 0)
{
}
xfree (hfiles);
}
-
- xfree (dbx);
}
\f
/* These variables are used to control fill_symbuf when the stabs
symbols are not contiguous (as may be the case when a COFF file is
linked using --split-by-reloc). */
-static struct stab_section_list *symbuf_sections;
+static const std::vector<asection *> *symbuf_sections;
+static size_t sect_idx;
static unsigned int symbuf_left;
static unsigned int symbuf_read;
{
if (symbuf_left <= 0)
{
- file_ptr filepos = symbuf_sections->section->filepos;
+ file_ptr filepos = (*symbuf_sections)[sect_idx]->filepos;
if (bfd_seek (sym_bfd, filepos, SEEK_SET) != 0)
perror_with_name (bfd_get_filename (sym_bfd));
- symbuf_left = bfd_section_size (sym_bfd, symbuf_sections->section);
+ symbuf_left = bfd_section_size ((*symbuf_sections)[sect_idx]);
symbol_table_offset = filepos - symbuf_read;
- symbuf_sections = symbuf_sections->next;
+ ++sect_idx;
}
count = symbuf_left;
bincl in the list. Return the partial symtab associated
with that header_file_location. */
-static struct partial_symtab *
+static legacy_psymtab *
find_corresponding_bincl_psymtab (const char *name, int instance)
{
for (const header_file_location &bincl : *bincl_list)
return bincl.pst;
repeated_header_complaint (name, symnum);
- return (struct partial_symtab *) 0;
+ return (legacy_psymtab *) 0;
}
/* Set namestring based on nlist. If the string table index is invalid,
return namestring;
}
-static CORE_ADDR
-find_stab_function_addr (const char *namestring, const char *filename,
- struct objfile *objfile)
+static struct bound_minimal_symbol
+find_stab_function (const char *namestring, const char *filename,
+ struct objfile *objfile)
{
struct bound_minimal_symbol msym;
int n;
msym = lookup_minimal_symbol (p, NULL, objfile);
}
- return msym.minsym == NULL ? 0 : BMSYMBOL_VALUE_ADDRESS (msym);
+ return msym;
}
static void
static void
read_dbx_symtab (minimal_symbol_reader &reader, struct objfile *objfile)
{
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ struct gdbarch *gdbarch = objfile->arch ();
struct external_nlist *bufp = 0; /* =0 avoids gcc -Wall glitch. */
struct internal_nlist nlist;
CORE_ADDR text_addr;
int data_sect_index;
/* Current partial symtab. */
- struct partial_symtab *pst;
+ legacy_psymtab *pst;
/* List of current psymtab's include files. */
const char **psymtab_include_list;
int includes_used;
/* Index within current psymtab dependency list. */
- struct partial_symtab **dependency_list;
+ legacy_psymtab **dependency_list;
int dependencies_used, dependencies_allocated;
text_addr = DBX_TEXT_ADDR (objfile);
stringtab_global = DBX_STRINGTAB (objfile);
- pst = (struct partial_symtab *) 0;
+ pst = (legacy_psymtab *) 0;
includes_allocated = 30;
includes_used = 0;
dependencies_allocated = 30;
dependencies_used = 0;
dependency_list =
- (struct partial_symtab **) alloca (dependencies_allocated *
- sizeof (struct partial_symtab *));
+ (legacy_psymtab **) alloca (dependencies_allocated *
+ sizeof (legacy_psymtab *));
/* Init bincl list */
std::vector<struct header_file_location> bincl_storage;
/* If data_sect_index is still -1, that's okay. It's perfectly fine
for the file to have no .data, no .bss, and no .text at all, if
- it also has no global or static variables. If it does, we will
- get an internal error from an ANOFFSET macro below when we try to
- use data_sect_index. */
+ it also has no global or static variables. */
for (symnum = 0; symnum < DBX_SYMCOUNT (objfile); symnum++)
{
|| (namestring[(nsl = strlen (namestring)) - 1] == 'o'
&& namestring[nsl - 2] == '.'))
{
- nlist.n_value += ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile));
-
if (past_first_source_file && pst
/* The gould NP1 uses low values for .o and -l symbols
which are not the address. */
- && nlist.n_value >= pst->textlow)
+ && nlist.n_value >= pst->raw_text_low ())
{
dbx_end_psymtab (objfile, pst, psymtab_include_list,
includes_used, symnum * symbol_size,
- nlist.n_value > pst->texthigh
- ? nlist.n_value : pst->texthigh,
+ nlist.n_value > pst->raw_text_high ()
+ ? nlist.n_value : pst->raw_text_high (),
dependency_list, dependencies_used,
textlow_not_set);
- pst = (struct partial_symtab *) 0;
+ pst = (legacy_psymtab *) 0;
includes_used = 0;
dependencies_used = 0;
has_line_numbers = 0;
static const char *dirname_nso;
int prev_textlow_not_set;
- valu = nlist.n_value + ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile));
+ valu = nlist.n_value;
prev_textlow_not_set = textlow_not_set;
{
dbx_end_psymtab (objfile, pst, psymtab_include_list,
includes_used, symnum * symbol_size,
- valu > pst->texthigh
- ? valu : pst->texthigh,
+ (valu > pst->raw_text_high ()
+ ? valu : pst->raw_text_high ()),
dependency_list, dependencies_used,
prev_textlow_not_set);
- pst = (struct partial_symtab *) 0;
+ pst = (legacy_psymtab *) 0;
includes_used = 0;
dependencies_used = 0;
has_line_numbers = 0;
{
pst = start_psymtab (objfile,
namestring, valu,
- first_so_symnum * symbol_size,
- objfile->global_psymbols,
- objfile->static_psymbols);
+ first_so_symnum * symbol_size);
pst->dirname = dirname_nso;
dirname_nso = NULL;
}
function relative stabs, or the address of the function's
end for old style stabs. */
valu = nlist.n_value + last_function_start;
- if (pst->texthigh == 0 || valu > pst->texthigh)
- pst->texthigh = valu;
+ if (pst->raw_text_high () == 0 || valu > pst->raw_text_high ())
+ pst->set_text_high (valu);
break;
}
if (psymtab_language == language_cplus)
{
std::string name (namestring, p - namestring);
- std::string new_name = cp_canonicalize_string (name.c_str ());
- if (!new_name.empty ())
+ gdb::unique_xmalloc_ptr<char> new_name
+ = cp_canonicalize_string (name.c_str ());
+ if (new_name != nullptr)
{
- sym_len = new_name.length ();
- sym_name = (char *) obstack_copy0 (&objfile->objfile_obstack,
- new_name.c_str (),
- sym_len);
+ sym_len = strlen (new_name.get ());
+ sym_name = obstack_strdup (&objfile->objfile_obstack,
+ new_name.get ());
}
}
switch (p[1])
{
case 'S':
- nlist.n_value += ANOFFSET (objfile->section_offsets,
- data_sect_index);
-
if (gdbarch_static_transform_name_p (gdbarch))
gdbarch_static_transform_name (gdbarch, namestring);
- add_psymbol_to_list (sym_name, sym_len, 1,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len), true,
VAR_DOMAIN, LOC_STATIC,
- &objfile->static_psymbols,
+ data_sect_index,
+ psymbol_placement::STATIC,
nlist.n_value, psymtab_language, objfile);
continue;
case 'G':
- nlist.n_value += ANOFFSET (objfile->section_offsets,
- data_sect_index);
/* The addresses in these entries are reported to be
wrong. See the code that reads 'G's for symtabs. */
- add_psymbol_to_list (sym_name, sym_len, 1,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len), true,
VAR_DOMAIN, LOC_STATIC,
- &objfile->global_psymbols,
+ data_sect_index,
+ psymbol_placement::GLOBAL,
nlist.n_value, psymtab_language, objfile);
continue;
|| (p == namestring + 1
&& namestring[0] != ' '))
{
- add_psymbol_to_list (sym_name, sym_len, 1,
- STRUCT_DOMAIN, LOC_TYPEDEF,
- &objfile->static_psymbols,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len),
+ true, STRUCT_DOMAIN, LOC_TYPEDEF, -1,
+ psymbol_placement::STATIC,
0, psymtab_language, objfile);
if (p[2] == 't')
{
/* Also a typedef with the same name. */
- add_psymbol_to_list (sym_name, sym_len, 1,
- VAR_DOMAIN, LOC_TYPEDEF,
- &objfile->static_psymbols,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len),
+ true, VAR_DOMAIN, LOC_TYPEDEF, -1,
+ psymbol_placement::STATIC,
0, psymtab_language, objfile);
p += 1;
}
case 't':
if (p != namestring) /* a name is there, not just :T... */
{
- add_psymbol_to_list (sym_name, sym_len, 1,
- VAR_DOMAIN, LOC_TYPEDEF,
- &objfile->static_psymbols,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len),
+ true, VAR_DOMAIN, LOC_TYPEDEF, -1,
+ psymbol_placement::STATIC,
0, psymtab_language, objfile);
}
check_enum:
;
/* Note that the value doesn't matter for
enum constants in psymtabs, just in symtabs. */
- add_psymbol_to_list (p, q - p, 1,
- VAR_DOMAIN, LOC_CONST,
- &objfile->static_psymbols, 0,
+ add_psymbol_to_list (gdb::string_view (p, q - p), true,
+ VAR_DOMAIN, LOC_CONST, -1,
+ psymbol_placement::STATIC, 0,
psymtab_language, objfile);
/* Point past the name. */
p = q;
case 'c':
/* Constant, e.g. from "const" in Pascal. */
- add_psymbol_to_list (sym_name, sym_len, 1,
- VAR_DOMAIN, LOC_CONST,
- &objfile->static_psymbols, 0,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len), true,
+ VAR_DOMAIN, LOC_CONST, -1,
+ psymbol_placement::STATIC, 0,
psymtab_language, objfile);
continue;
function_outside_compilation_unit_complaint (name);
xfree (name);
}
- nlist.n_value += ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile));
/* Kludges for ELF/STABS with Sun ACC. */
last_function_name = namestring;
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
- if (nlist.n_value == ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile))
+ if (nlist.n_value == 0
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
- CORE_ADDR minsym_valu =
- find_stab_function_addr (namestring,
- pst ? pst->filename : NULL,
- objfile);
-
- /* find_stab_function_addr will return 0 if the minimal
- symbol wasn't found. (Unfortunately, this might also
- be a valid address.) Anyway, if it *does* return 0,
- it is likely that the value was set correctly to begin
- with... */
- if (minsym_valu != 0)
- nlist.n_value = minsym_valu;
+ struct bound_minimal_symbol minsym
+ = find_stab_function (namestring,
+ pst ? pst->filename : NULL,
+ objfile);
+ if (minsym.minsym != NULL)
+ nlist.n_value = MSYMBOL_VALUE_RAW_ADDRESS (minsym.minsym);
}
if (pst && textlow_not_set
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
- pst->textlow = nlist.n_value;
+ pst->set_text_low (nlist.n_value);
textlow_not_set = 0;
}
/* End kludge. */
the partial symbol table. */
if (pst
&& (textlow_not_set
- || (nlist.n_value < pst->textlow
- && (nlist.n_value
- != ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile))))))
+ || (nlist.n_value < pst->raw_text_low ()
+ && (nlist.n_value != 0))))
{
- pst->textlow = nlist.n_value;
+ pst->set_text_low (nlist.n_value);
textlow_not_set = 0;
}
- add_psymbol_to_list (sym_name, sym_len, 1,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len), true,
VAR_DOMAIN, LOC_BLOCK,
- &objfile->static_psymbols,
+ SECT_OFF_TEXT (objfile),
+ psymbol_placement::STATIC,
nlist.n_value, psymtab_language, objfile);
continue;
function_outside_compilation_unit_complaint (name);
xfree (name);
}
- nlist.n_value += ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile));
/* Kludges for ELF/STABS with Sun ACC. */
last_function_name = namestring;
/* Do not fix textlow==0 for .o or NLM files, as 0 is a legit
value for the bottom of the text seg in those cases. */
- if (nlist.n_value == ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile))
+ if (nlist.n_value == 0
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
- CORE_ADDR minsym_valu =
- find_stab_function_addr (namestring,
- pst ? pst->filename : NULL,
- objfile);
-
- /* find_stab_function_addr will return 0 if the minimal
- symbol wasn't found. (Unfortunately, this might also
- be a valid address.) Anyway, if it *does* return 0,
- it is likely that the value was set correctly to begin
- with... */
- if (minsym_valu != 0)
- nlist.n_value = minsym_valu;
+ struct bound_minimal_symbol minsym
+ = find_stab_function (namestring,
+ pst ? pst->filename : NULL,
+ objfile);
+ if (minsym.minsym != NULL)
+ nlist.n_value = MSYMBOL_VALUE_RAW_ADDRESS (minsym.minsym);
}
if (pst && textlow_not_set
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
- pst->textlow = nlist.n_value;
+ pst->set_text_low (nlist.n_value);
textlow_not_set = 0;
}
/* End kludge. */
the partial symbol table. */
if (pst
&& (textlow_not_set
- || (nlist.n_value < pst->textlow
- && (nlist.n_value
- != ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile))))))
+ || (nlist.n_value < pst->raw_text_low ()
+ && (nlist.n_value != 0))))
{
- pst->textlow = nlist.n_value;
+ pst->set_text_low (nlist.n_value);
textlow_not_set = 0;
}
- add_psymbol_to_list (sym_name, sym_len, 1,
+ add_psymbol_to_list (gdb::string_view (sym_name, sym_len), true,
VAR_DOMAIN, LOC_BLOCK,
- &objfile->global_psymbols,
+ SECT_OFF_TEXT (objfile),
+ psymbol_placement::GLOBAL,
nlist.n_value, psymtab_language, objfile);
continue;
/* Find the corresponding bincl and mark that psymtab on the
psymtab dependency list. */
{
- struct partial_symtab *needed_pst =
+ legacy_psymtab *needed_pst =
find_corresponding_bincl_psymtab (namestring, nlist.n_value);
/* If this include file was defined earlier in this file,
dependency_list[dependencies_used++] = needed_pst;
if (dependencies_used >= dependencies_allocated)
{
- struct partial_symtab **orig = dependency_list;
+ legacy_psymtab **orig = dependency_list;
dependency_list =
- (struct partial_symtab **)
+ (legacy_psymtab **)
alloca ((dependencies_allocated *= 2)
- * sizeof (struct partial_symtab *));
+ * sizeof (legacy_psymtab *));
memcpy (dependency_list, orig,
(dependencies_used
- * sizeof (struct partial_symtab *)));
+ * sizeof (legacy_psymtab *)));
#ifdef DEBUG_INFO
fprintf_unfiltered (gdb_stderr,
"Had to reallocate "
continue;
case N_ENDM:
- /* Solaris 2 end of module, finish current partial symbol table.
- dbx_end_psymtab will set pst->texthigh to the proper value, which
- is necessary if a module compiled without debugging info
- follows this module. */
+ /* Solaris 2 end of module, finish current partial symbol
+ table. dbx_end_psymtab will set the high text address of
+ PST to the proper value, which is necessary if a module
+ compiled without debugging info follows this module. */
if (pst && gdbarch_sofun_address_maybe_missing (gdbarch))
{
dbx_end_psymtab (objfile, pst,
symnum * symbol_size,
(CORE_ADDR) 0, dependency_list,
dependencies_used, textlow_not_set);
- pst = (struct partial_symtab *) 0;
+ pst = (legacy_psymtab *) 0;
includes_used = 0;
dependencies_used = 0;
has_line_numbers = 0;
/* If there's stuff to be cleaned up, clean it up. */
if (pst)
{
- /* Don't set pst->texthigh lower than it already is. */
+ /* Don't set high text address of PST lower than it already
+ is. */
CORE_ADDR text_end =
(lowest_text_address == (CORE_ADDR) -1
- ? (text_addr + ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT (objfile)))
+ ? text_addr
: lowest_text_address)
+ text_size;
dbx_end_psymtab (objfile, pst, psymtab_include_list, includes_used,
symnum * symbol_size,
- text_end > pst->texthigh ? text_end : pst->texthigh,
+ (text_end > pst->raw_text_high ()
+ ? text_end : pst->raw_text_high ()),
dependency_list, dependencies_used, textlow_not_set);
}
}
is the address relative to which its symbols are (incremental) or 0
(normal). */
-static struct partial_symtab *
+static legacy_psymtab *
start_psymtab (struct objfile *objfile, const char *filename, CORE_ADDR textlow,
- int ldsymoff, std::vector<partial_symbol *> &global_psymbols,
- std::vector<partial_symbol *> &static_psymbols)
+ int ldsymoff)
{
- struct partial_symtab *result =
- start_psymtab_common (objfile, filename, textlow,
- global_psymbols, static_psymbols);
+ legacy_psymtab *result = new legacy_psymtab (filename, objfile, textlow);
result->read_symtab_private =
XOBNEW (&objfile->objfile_obstack, struct symloc);
LDSYMOFF (result) = ldsymoff;
- result->read_symtab = dbx_read_symtab;
+ result->legacy_read_symtab = dbx_read_symtab;
+ result->legacy_expand_psymtab = dbx_expand_psymtab;
SYMBOL_SIZE (result) = symbol_size;
SYMBOL_OFFSET (result) = symbol_table_offset;
STRING_OFFSET (result) = string_table_offset;
FIXME: List variables and peculiarities of same. */
-struct partial_symtab *
-dbx_end_psymtab (struct objfile *objfile, struct partial_symtab *pst,
+legacy_psymtab *
+dbx_end_psymtab (struct objfile *objfile, legacy_psymtab *pst,
const char **include_list, int num_includes,
int capping_symbol_offset, CORE_ADDR capping_text,
- struct partial_symtab **dependency_list,
+ legacy_psymtab **dependency_list,
int number_dependencies,
int textlow_not_set)
{
int i;
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ struct gdbarch *gdbarch = objfile->arch ();
if (capping_symbol_offset != -1)
LDSYMLEN (pst) = capping_symbol_offset - LDSYMOFF (pst);
- pst->texthigh = capping_text;
+ pst->set_text_high (capping_text);
/* Under Solaris, the N_SO symbols always have a value of 0,
instead of the usual address of the .o file. Therefore,
a reliable texthigh by taking the address plus size of the
last function in the file. */
- if (pst->texthigh == 0 && last_function_name
+ if (!pst->text_high_valid && last_function_name
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
int n;
}
if (minsym.minsym)
- pst->texthigh = (BMSYMBOL_VALUE_ADDRESS (minsym)
- + MSYMBOL_SIZE (minsym.minsym));
+ pst->set_text_high (MSYMBOL_VALUE_RAW_ADDRESS (minsym.minsym)
+ + MSYMBOL_SIZE (minsym.minsym));
last_function_name = NULL;
}
;
/* This test will be true if the last .o file is only data. */
else if (textlow_not_set)
- pst->textlow = pst->texthigh;
+ pst->set_text_low (pst->raw_text_high ());
else
{
- struct partial_symtab *p1;
-
/* If we know our own starting text address, then walk through all other
psymtabs for this objfile, and if any didn't know their ending text
address, set it to our starting address. Take care to not set our
- own ending address to our starting address, nor to set addresses on
- `dependency' files that have both textlow and texthigh zero. */
+ own ending address to our starting address. */
- ALL_OBJFILE_PSYMTABS (objfile, p1)
- {
- if (p1->texthigh == 0 && p1->textlow != 0 && p1 != pst)
- p1->texthigh = pst->textlow;
- }
+ for (partial_symtab *p1 : objfile->psymtabs ())
+ if (!p1->text_high_valid && p1->text_low_valid && p1 != pst)
+ p1->set_text_high (pst->raw_text_low ());
}
/* End of kludge for patching Solaris textlow and texthigh. */
pst->number_of_dependencies = number_dependencies;
if (number_dependencies)
{
- pst->dependencies = XOBNEWVEC (&objfile->objfile_obstack,
- struct partial_symtab *,
- number_dependencies);
+ pst->dependencies
+ = objfile->partial_symtabs->allocate_dependencies (number_dependencies);
memcpy (pst->dependencies, dependency_list,
- number_dependencies * sizeof (struct partial_symtab *));
+ number_dependencies * sizeof (legacy_psymtab *));
}
else
pst->dependencies = 0;
for (i = 0; i < num_includes; i++)
{
- struct partial_symtab *subpst =
- allocate_psymtab (include_list[i], objfile);
+ legacy_psymtab *subpst =
+ new legacy_psymtab (include_list[i], objfile);
subpst->read_symtab_private =
XOBNEW (&objfile->objfile_obstack, struct symloc);
LDSYMOFF (subpst) =
- LDSYMLEN (subpst) =
- subpst->textlow =
- subpst->texthigh = 0;
+ LDSYMLEN (subpst) = 0;
/* We could save slight bits of space by only making one of these,
shared by the entire set of include files. FIXME-someday. */
subpst->dependencies =
- XOBNEW (&objfile->objfile_obstack, struct partial_symtab *);
+ objfile->partial_symtabs->allocate_dependencies (1);
subpst->dependencies[0] = pst;
subpst->number_of_dependencies = 1;
- subpst->globals_offset =
- subpst->n_global_syms =
- subpst->statics_offset =
- subpst->n_static_syms = 0;
-
- subpst->readin = 0;
- subpst->compunit_symtab = 0;
- subpst->read_symtab = pst->read_symtab;
+ subpst->legacy_read_symtab = pst->legacy_read_symtab;
+ subpst->legacy_expand_psymtab = pst->legacy_expand_psymtab;
}
if (num_includes == 0
is not empty, but we don't realize that. Fixing that without slowing
things down might be tricky. */
- discard_psymtab (objfile, pst);
+ objfile->partial_symtabs->discard_psymtab (pst);
/* Indicate that psymtab was thrown away. */
pst = NULL;
}
\f
static void
-dbx_psymtab_to_symtab_1 (struct objfile *objfile, struct partial_symtab *pst)
+dbx_expand_psymtab (legacy_psymtab *pst, struct objfile *objfile)
{
- int i;
-
- if (pst->readin)
- {
- fprintf_unfiltered (gdb_stderr, "Psymtab for %s already read in. "
- "Shouldn't happen.\n",
- pst->filename);
- return;
- }
+ gdb_assert (!pst->readin);
/* Read in all partial symtabs on which this one is dependent. */
- for (i = 0; i < pst->number_of_dependencies; i++)
- if (!pst->dependencies[i]->readin)
- {
- /* Inform about additional files that need to be read in. */
- if (info_verbose)
- {
- fputs_filtered (" ", gdb_stdout);
- wrap_here ("");
- fputs_filtered ("and ", gdb_stdout);
- wrap_here ("");
- printf_filtered ("%s...", pst->dependencies[i]->filename);
- wrap_here (""); /* Flush output. */
- gdb_flush (gdb_stdout);
- }
- dbx_psymtab_to_symtab_1 (objfile, pst->dependencies[i]);
- }
+ pst->expand_dependencies (objfile);
if (LDSYMLEN (pst)) /* Otherwise it's a dummy. */
{
read_ofile_symtab (objfile, pst);
}
- pst->readin = 1;
+ pst->readin = true;
}
/* Read in all of the symbols for a given psymtab for real.
Be verbose about it if the user wants that. SELF is not NULL. */
static void
-dbx_read_symtab (struct partial_symtab *self, struct objfile *objfile)
+dbx_read_symtab (legacy_psymtab *self, struct objfile *objfile)
{
- if (self->readin)
- {
- fprintf_unfiltered (gdb_stderr, "Psymtab for %s already read in. "
- "Shouldn't happen.\n",
- self->filename);
- return;
- }
+ gdb_assert (!self->readin);
if (LDSYMLEN (self) || self->number_of_dependencies)
{
- /* Print the message now, before reading the string table,
- to avoid disconcerting pauses. */
- if (info_verbose)
- {
- printf_filtered ("Reading in symbols for %s...", self->filename);
- gdb_flush (gdb_stdout);
- }
-
next_symbol_text_func = dbx_next_symbol_text;
{
data_holder.reset (stabs_data);
}
- dbx_psymtab_to_symtab_1 (objfile, self);
+ self->expand_psymtab (objfile);
}
/* Match with global symbols. This only needs to be done once,
after all of the symtabs and dependencies have been read in. */
scan_file_globals (objfile);
-
- /* Finish up the debug error message. */
- if (info_verbose)
- printf_filtered ("done.\n");
}
}
/* Read in a defined section of a specific object file's symbols. */
static void
-read_ofile_symtab (struct objfile *objfile, struct partial_symtab *pst)
+read_ofile_symtab (struct objfile *objfile, legacy_psymtab *pst)
{
const char *namestring;
struct external_nlist *bufp;
int sym_size; /* Size of symbols to read */
CORE_ADDR text_offset; /* Start of text segment for symbols */
int text_size; /* Size of text segment for symbols */
- struct section_offsets *section_offsets;
sym_offset = LDSYMOFF (pst);
sym_size = LDSYMLEN (pst);
- text_offset = pst->textlow;
- text_size = pst->texthigh - pst->textlow;
- section_offsets = objfile->section_offsets;
+ text_offset = pst->text_low (objfile);
+ text_size = pst->text_high (objfile) - pst->text_low (objfile);
+ const section_offsets §ion_offsets = objfile->section_offsets;
dbxread_objfile = objfile;
else if (type & N_EXT || type == (unsigned char) N_TEXT
|| type == (unsigned char) N_NBTEXT)
{
- /* Global symbol: see if we came across a dbx defintion for
+ /* Global symbol: see if we came across a dbx definition for
a corresponding symbol. If so, store the value. Remove
syms from the chain when their values are stored, but
search the whole chain, as there may be several syms from
}
}
- /* In a Solaris elf file, this variable, which comes from the
- value of the N_SO symbol, will still be 0. Luckily, text_offset,
- which comes from pst->textlow is correct. */
+ /* In a Solaris elf file, this variable, which comes from the value
+ of the N_SO symbol, will still be 0. Luckily, text_offset, which
+ comes from low text address of PST, is correct. */
if (get_last_source_start_addr () == 0)
set_last_source_start_addr (text_offset);
/* In reordered executables last_source_start_addr may not be the
lower bound for this symtab, instead use text_offset which comes
- from pst->textlow which is correct. */
+ from the low text address of PST, which is correct. */
if (get_last_source_start_addr () > text_offset)
set_last_source_start_addr (text_offset);
struct block *block,
struct obstack *obstack)
{
- if (SYMBOL_DEMANGLED_NAME (symbol) != NULL)
+ if (symbol->demangled_name () != NULL)
{
/* Try to figure out the appropriate namespace from the
demangled name. */
name of the class as well. This should be harmless, but
is a little unfortunate. */
- const char *name = SYMBOL_DEMANGLED_NAME (symbol);
+ const char *name = symbol->demangled_name ();
unsigned int prefix_len = cp_entire_prefix_len (name);
- block_set_scope (block,
- (const char *) obstack_copy0 (obstack, name, prefix_len),
+ block_set_scope (block, obstack_strndup (obstack, name, prefix_len),
obstack);
}
}
void
process_one_symbol (int type, int desc, CORE_ADDR valu, const char *name,
- const struct section_offsets *section_offsets,
+ const section_offsets §ion_offsets,
struct objfile *objfile, enum language language)
{
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
+ struct gdbarch *gdbarch = objfile->arch ();
struct context_stack *newobj;
struct context_stack cstk;
/* This remembers the address of the start of a function. It is
cstk.start_addr, cstk.start_addr + valu);
/* For C++, set the block's scope. */
- if (SYMBOL_LANGUAGE (cstk.name) == language_cplus)
+ if (cstk.name->language () == language_cplus)
cp_set_block_scope (cstk.name, block, &objfile->objfile_obstack);
/* May be switching to an assembler file which may not be using
sline_found_in_function = 0;
/* Relocate for dynamic loading. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
valu = gdbarch_addr_bits_remove (gdbarch, valu);
last_function_start = valu;
case N_FN_SEQ:
/* This kind of symbol indicates the start of an object file.
Relocate for dynamic loading. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
break;
case N_SO:
source file. Finish the symbol table of the previous source
file (if any) and start accumulating a new symbol table.
Relocate for dynamic loading. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
n_opt_found = 0;
sub-source-file, one whose contents were copied or included
in the compilation of the main source file (whose name was
given in the N_SO symbol). Relocate for dynamic loading. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
start_subfile (name);
break;
function-relative symbols. */
valu += function_start_offset;
- /* GCC 2.95.3 emits the first N_SLINE stab somwehere in the
+ /* GCC 2.95.3 emits the first N_SLINE stab somewhere in the
middle of the prologue instead of right at the start of the
function. To deal with this we record the address for the
first N_SLINE stab to be the start of the function instead of
symbol_file_add as addr (this is known to affect
SunOS 4, and I suspect ELF too). Since there is no
Ttext.text symbol, we can get addr from the text offset. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
goto define_a_symbol;
}
}
case_N_STSYM: /* Static symbol in data segment. */
case N_DSLINE: /* Source line number, data segment. */
- valu += ANOFFSET (section_offsets, SECT_OFF_DATA (objfile));
+ valu += section_offsets[SECT_OFF_DATA (objfile)];
goto define_a_symbol;
case_N_LCSYM: /* Static symbol in BSS segment. */
case N_BSLINE: /* Source line number, BSS segment. */
/* N_BROWS: overlaps with N_BSLINE. */
- valu += ANOFFSET (section_offsets, SECT_OFF_BSS (objfile));
+ valu += section_offsets[SECT_OFF_BSS (objfile)];
goto define_a_symbol;
case_N_ROSYM: /* Static symbol in read-only data segment. */
- valu += ANOFFSET (section_offsets, SECT_OFF_RODATA (objfile));
+ valu += section_offsets[SECT_OFF_RODATA (objfile)];
goto define_a_symbol;
case N_ENTRY: /* Alternate entry point. */
/* Relocate for dynamic loading. */
- valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
+ valu += section_offsets[SECT_OFF_TEXT (objfile)];
goto define_a_symbol;
/* The following symbol types we don't know how to process.
/* Deal with the SunPRO 3.0 compiler which omits the
address from N_FUN symbols. */
if (type == N_FUN
- && valu == ANOFFSET (section_offsets,
- SECT_OFF_TEXT (objfile))
+ && valu == section_offsets[SECT_OFF_TEXT (objfile)]
&& gdbarch_sofun_address_maybe_missing (gdbarch))
{
- CORE_ADDR minsym_valu =
- find_stab_function_addr (name, get_last_source_file (),
- objfile);
-
- /* The function find_stab_function_addr will return
- 0 if the minimal symbol wasn't found.
- (Unfortunately, this might also be a valid
- address.) Anyway, if it *does* return 0, it is
- likely that the value was set correctly to begin
- with... */
- if (minsym_valu != 0)
- valu = minsym_valu;
+ struct bound_minimal_symbol minsym
+ = find_stab_function (name, get_last_source_file (),
+ objfile);
+ if (minsym.minsym != NULL)
+ valu = BMSYMBOL_VALUE_ADDRESS (minsym);
}
/* These addresses are absolute. */
cstk.start_addr, valu);
/* For C++, set the block's scope. */
- if (SYMBOL_LANGUAGE (cstk.name) == language_cplus)
+ if (cstk.name->language () == language_cplus)
cp_set_block_scope (cstk.name, block,
&objfile->objfile_obstack);
}
void
coffstab_build_psymtabs (struct objfile *objfile,
CORE_ADDR textaddr, unsigned int textsize,
- struct stab_section_list *stabsects,
+ const std::vector<asection *> &stabsects,
file_ptr stabstroffset, unsigned int stabstrsize)
{
int val;
bfd *sym_bfd = objfile->obfd;
- char *name = bfd_get_filename (sym_bfd);
+ const char *name = bfd_get_filename (sym_bfd);
unsigned int stabsize;
+ /* Allocate struct to keep track of stab reading. */
+ dbx_objfile_data_key.emplace (objfile);
+
DBX_TEXT_ADDR (objfile) = textaddr;
DBX_TEXT_SIZE (objfile) = textsize;
/* In a coff file, we've already installed the minimal symbols that came
from the coff (non-stab) symbol table, so always act like an
incremental load here. */
- if (stabsects->next == NULL)
+ scoped_restore save_symbuf_sections
+ = make_scoped_restore (&symbuf_sections);
+ if (stabsects.size () == 1)
{
- stabsize = bfd_section_size (sym_bfd, stabsects->section);
+ stabsize = bfd_section_size (stabsects[0]);
DBX_SYMCOUNT (objfile) = stabsize / DBX_SYMBOL_SIZE (objfile);
- DBX_SYMTAB_OFFSET (objfile) = stabsects->section->filepos;
+ DBX_SYMTAB_OFFSET (objfile) = stabsects[0]->filepos;
}
else
{
- struct stab_section_list *stabsect;
-
DBX_SYMCOUNT (objfile) = 0;
- for (stabsect = stabsects; stabsect != NULL; stabsect = stabsect->next)
+ for (asection *section : stabsects)
{
- stabsize = bfd_section_size (sym_bfd, stabsect->section);
+ stabsize = bfd_section_size (section);
DBX_SYMCOUNT (objfile) += stabsize / DBX_SYMBOL_SIZE (objfile);
}
- DBX_SYMTAB_OFFSET (objfile) = stabsects->section->filepos;
+ DBX_SYMTAB_OFFSET (objfile) = stabsects[0]->filepos;
- symbuf_sections = stabsects->next;
- symbuf_left = bfd_section_size (sym_bfd, stabsects->section);
+ sect_idx = 1;
+ symbuf_sections = &stabsects;
+ symbuf_left = bfd_section_size (stabsects[0]);
symbuf_read = 0;
}
{
int val;
bfd *sym_bfd = objfile->obfd;
- char *name = bfd_get_filename (sym_bfd);
+ const char *name = bfd_get_filename (sym_bfd);
+
+ stabsread_new_init ();
+
+ /* Allocate struct to keep track of stab reading. */
+ dbx_objfile_data_key.emplace (objfile);
/* Find the first and last text address. dbx_symfile_read seems to
want this. */
#define ELF_STABS_SYMBOL_SIZE 12 /* XXX FIXME XXX */
DBX_SYMBOL_SIZE (objfile) = ELF_STABS_SYMBOL_SIZE;
DBX_SYMCOUNT (objfile)
- = bfd_section_size (objfile->obfd, stabsect) / DBX_SYMBOL_SIZE (objfile);
+ = bfd_section_size (stabsect) / DBX_SYMBOL_SIZE (objfile);
DBX_STRINGTAB_SIZE (objfile) = stabstrsize;
DBX_SYMTAB_OFFSET (objfile) = stabsect->filepos;
DBX_STAB_SECTION (objfile) = stabsect;
processing_acc_compilation = 1;
symbuf_read = 0;
- symbuf_left = bfd_section_size (objfile->obfd, stabsect);
+ symbuf_left = bfd_section_size (stabsect);
scoped_restore restore_stabs_data = make_scoped_restore (&stabs_data);
gdb::unique_xmalloc_ptr<gdb_byte> data_holder;
{
int val;
bfd *sym_bfd = objfile->obfd;
- char *name = bfd_get_filename (sym_bfd);
+ const char *name = bfd_get_filename (sym_bfd);
asection *stabsect;
asection *stabstrsect;
asection *text_sect;
- struct dbx_symfile_info *dbx;
stabsect = bfd_get_section_by_name (sym_bfd, stab_name);
stabstrsect = bfd_get_section_by_name (sym_bfd, stabstr_name);
"but not string section (%s)"),
stab_name, stabstr_name);
- dbx = XCNEW (struct dbx_symfile_info);
- set_objfile_data (objfile, dbx_objfile_data_key, dbx);
+ dbx_objfile_data_key.emplace (objfile);
text_sect = bfd_get_section_by_name (sym_bfd, text_name);
if (!text_sect)
error (_("Can't find %s section in symbol file"), text_name);
- DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
- DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
+ DBX_TEXT_ADDR (objfile) = bfd_section_vma (text_sect);
+ DBX_TEXT_SIZE (objfile) = bfd_section_size (text_sect);
DBX_SYMBOL_SIZE (objfile) = sizeof (struct external_nlist);
- DBX_SYMCOUNT (objfile) = bfd_section_size (sym_bfd, stabsect)
+ DBX_SYMCOUNT (objfile) = bfd_section_size (stabsect)
/ DBX_SYMBOL_SIZE (objfile);
- DBX_STRINGTAB_SIZE (objfile) = bfd_section_size (sym_bfd, stabstrsect);
+ DBX_STRINGTAB_SIZE (objfile) = bfd_section_size (stabstrsect);
DBX_SYMTAB_OFFSET (objfile) = stabsect->filepos; /* XXX - FIXME: POKING
INSIDE BFD DATA
STRUCTURES */
&psym_functions
};
+void _initialize_dbxread ();
void
-_initialize_dbxread (void)
+_initialize_dbxread ()
{
add_symtab_fns (bfd_target_aout_flavour, &aout_sym_fns);
-
- dbx_objfile_data_key
- = register_objfile_data_with_cleanup (NULL, dbx_free_symfile_info);
}
projects / deliverable / binutils-gdb.git / blobdiff