/* Read AIX xcoff symbol tables and convert to internal format, for GDB.
- Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 1997
+ Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
Derived from coffread.c, dbxread.c, and a lot of hacking.
Contributed by IBM Corporation.
static struct complaint eb_complaint =
{"Mismatched .eb symbol ignored starting at symnum %d", 0, 0};
-static void
-xcoff_initial_scan PARAMS ((struct objfile *, int));
+static void xcoff_initial_scan (struct objfile *, int);
-static void
-scan_xcoff_symtab PARAMS ((struct section_offsets *, struct objfile *));
+static void scan_xcoff_symtab (struct objfile *);
-static char *
- xcoff_next_symbol_text PARAMS ((struct objfile *));
+static char *xcoff_next_symbol_text (struct objfile *);
-static void
-record_include_begin PARAMS ((struct coff_symbol *));
+static void record_include_begin (struct coff_symbol *);
static void
-enter_line_range PARAMS ((struct subfile *, unsigned, unsigned,
- CORE_ADDR, CORE_ADDR, unsigned *));
+enter_line_range (struct subfile *, unsigned, unsigned,
+ CORE_ADDR, CORE_ADDR, unsigned *);
-static void
-init_stringtab PARAMS ((bfd *, file_ptr, struct objfile *));
+static void init_stringtab (bfd *, file_ptr, struct objfile *);
-static void
-xcoff_symfile_init PARAMS ((struct objfile *));
+static void xcoff_symfile_init (struct objfile *);
-static void
-xcoff_new_init PARAMS ((struct objfile *));
+static void xcoff_new_init (struct objfile *);
-static void
-xcoff_symfile_finish PARAMS ((struct objfile *));
-
-static struct section_offsets *
- xcoff_symfile_offsets PARAMS ((struct objfile *, CORE_ADDR));
+static void xcoff_symfile_finish (struct objfile *);
static void
-find_linenos PARAMS ((bfd *, sec_ptr, PTR));
+xcoff_symfile_offsets (struct objfile *, struct section_addr_info *addrs);
-static char *
- coff_getfilename PARAMS ((union internal_auxent *, struct objfile *));
+static void find_linenos (bfd *, sec_ptr, PTR);
-static void
-read_symbol PARAMS ((struct internal_syment *, int));
+static char *coff_getfilename (union internal_auxent *, struct objfile *);
-static int
-read_symbol_lineno PARAMS ((int));
+static void read_symbol (struct internal_syment *, int);
-static int
-read_symbol_nvalue PARAMS ((int));
+static int read_symbol_lineno (int);
-static struct symbol *
- process_xcoff_symbol PARAMS ((struct coff_symbol *, struct objfile *));
+static CORE_ADDR read_symbol_nvalue (int);
-static void
-read_xcoff_symtab PARAMS ((struct partial_symtab *));
+static struct symbol *process_xcoff_symbol (struct coff_symbol *,
+ struct objfile *);
+
+static void read_xcoff_symtab (struct partial_symtab *);
#if 0
-static void
-add_stab_to_list PARAMS ((char *, struct pending_stabs **));
+static void add_stab_to_list (char *, struct pending_stabs **);
#endif
-static int
-compare_lte PARAMS ((const void *, const void *));
+static int compare_lte (const void *, const void *);
-static struct linetable *
- arrange_linetable PARAMS ((struct linetable *));
+static struct linetable *arrange_linetable (struct linetable *);
-static void
-record_include_end PARAMS ((struct coff_symbol *));
+static void record_include_end (struct coff_symbol *);
-static void
-process_linenos PARAMS ((CORE_ADDR, CORE_ADDR));
+static void process_linenos (CORE_ADDR, CORE_ADDR);
\f
/* Translate from a COFF section number (target_index) to a SECT_OFF_*
code. */
-static int secnum_to_section PARAMS ((int, struct objfile *));
-static asection *secnum_to_bfd_section PARAMS ((int, struct objfile *));
+static int secnum_to_section (int, struct objfile *);
+static asection *secnum_to_bfd_section (int, struct objfile *);
struct find_targ_sec_arg
{
int targ_index;
int *resultp;
asection **bfd_sect;
+ struct objfile *objfile;
};
-static void find_targ_sec PARAMS ((bfd *, asection *, void *));
+static void find_targ_sec (bfd *, asection *, void *);
static void
-find_targ_sec (abfd, sect, obj)
- bfd *abfd;
- asection *sect;
- PTR obj;
+find_targ_sec (bfd *abfd, asection *sect, PTR obj)
{
struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
+ struct objfile *objfile = args->objfile;
if (sect->target_index == args->targ_index)
{
/* This is the section. Figure out what SECT_OFF_* code it is. */
if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
- *args->resultp = SECT_OFF_TEXT;
+ *args->resultp = SECT_OFF_TEXT (objfile);
else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
- *args->resultp = SECT_OFF_DATA;
+ *args->resultp = SECT_OFF_DATA (objfile);
else
- *args->resultp = SECT_OFF_BSS;
+ *args->resultp = sect->index;
*args->bfd_sect = sect;
}
}
/* Return the section number (SECT_OFF_*) that CS points to. */
static int
-secnum_to_section (secnum, objfile)
- int secnum;
- struct objfile *objfile;
+secnum_to_section (int secnum, struct objfile *objfile)
{
- int off = SECT_OFF_TEXT;
+ int off = SECT_OFF_TEXT (objfile);
asection *sect = NULL;
struct find_targ_sec_arg args;
args.targ_index = secnum;
args.resultp = &off;
args.bfd_sect = §
+ args.objfile = objfile;
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
return off;
}
/* Return the BFD section that CS points to. */
static asection *
-secnum_to_bfd_section (secnum, objfile)
- int secnum;
- struct objfile *objfile;
+secnum_to_bfd_section (int secnum, struct objfile *objfile)
{
- int off = SECT_OFF_TEXT;
+ int off = SECT_OFF_TEXT (objfile);
asection *sect = NULL;
struct find_targ_sec_arg args;
args.targ_index = secnum;
args.resultp = &off;
args.bfd_sect = §
+ args.objfile = objfile;
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
return sect;
}
#if 0
static void
-add_stab_to_list (stabname, stabvector)
- char *stabname;
- struct pending_stabs **stabvector;
+add_stab_to_list (char *stabname, struct pending_stabs **stabvector)
{
if (*stabvector == NULL)
{
/* compare line table entry addresses. */
static int
-compare_lte (lte1p, lte2p)
- const void *lte1p;
- const void *lte2p;
+compare_lte (const void *lte1p, const void *lte2p)
{
struct linetable_entry *lte1 = (struct linetable_entry *) lte1p;
struct linetable_entry *lte2 = (struct linetable_entry *) lte2p;
sort_linevec = 1 to end_symtab. */
static struct linetable *
-arrange_linetable (oldLineTb)
- struct linetable *oldLineTb; /* old linetable */
+arrange_linetable (struct linetable *oldLineTb)
{
int ii, jj, newline, /* new line count */
function_count; /* # of functions */
if (function_count == 0)
{
- free (fentry);
+ xfree (fentry);
return oldLineTb;
}
else if (function_count > 1)
++jj, ++newline)
newLineTb->item[newline] = oldLineTb->item[jj];
}
- free (fentry);
+ xfree (fentry);
newLineTb->nitems = oldLineTb->nitems - function_count;
return newLineTb;
}
static int inclLength; /* table length */
static int inclDepth; /* nested include depth */
-static void allocate_include_entry PARAMS ((void));
+static void allocate_include_entry (void);
static void
-record_include_begin (cs)
- struct coff_symbol *cs;
+record_include_begin (struct coff_symbol *cs)
{
if (inclDepth)
{
}
static void
-record_include_end (cs)
- struct coff_symbol *cs;
+record_include_end (struct coff_symbol *cs)
{
InclTable *pTbl;
}
static void
-allocate_include_entry ()
+allocate_include_entry (void)
{
if (inclTable == NULL)
{
at times) process its lines and create appropriate line vectors. */
static void
-process_linenos (start, end)
- CORE_ADDR start, end;
+process_linenos (CORE_ADDR start, CORE_ADDR end)
{
int offset, ii;
file_ptr max_offset =
else
{
/* There was source with line numbers in include files. */
+
+ int linesz =
+ coff_data (this_symtab_psymtab->objfile->obfd)->local_linesz;
main_source_baseline = 0;
+
for (ii = 0; ii < inclIndx; ++ii)
{
struct subfile *tmpSubfile;
if (offset < inclTable[ii].begin)
{
enter_line_range
- (&main_subfile, offset, inclTable[ii].begin - LINESZ,
+ (&main_subfile, offset, inclTable[ii].begin - linesz,
start, 0, &main_source_baseline);
}
inclTable[ii].end, start, 0, firstLine);
if (offset <= inclTable[ii].end)
- offset = inclTable[ii].end + LINESZ;
+ offset = inclTable[ii].end + linesz;
}
/* All the include files' line have been processed at this point. Now,
enter remaining lines of the main file, if any left. */
- if (offset < max_offset + 1 - LINESZ)
+ if (offset < max_offset + 1 - linesz)
{
enter_line_range (&main_subfile, offset, 0, start, end,
&main_source_baseline);
}
else
{
- free (lv);
+ xfree (lv);
current_subfile->line_vector = lineTb;
}
if (fakename == NULL)
fakename = " ?";
start_subfile (fakename, (char *) 0);
- free (current_subfile->name);
+ xfree (current_subfile->name);
}
- current_subfile->name = strdup (inclTable[ii].name);
+ current_subfile->name = xstrdup (inclTable[ii].name);
#endif
if (lv == lineTb)
}
else
{
- free (lv);
+ xfree (lv);
current_subfile->line_vector = lineTb;
}
}
void
-aix_process_linenos ()
+aix_process_linenos (void)
{
/* process line numbers and enter them into line vector */
process_linenos (last_source_start_addr, cur_src_end_addr);
attention to. */
static void
-enter_line_range (subfile, beginoffset, endoffset, startaddr, endaddr,
- firstLine)
- struct subfile *subfile;
- unsigned beginoffset, endoffset; /* offsets to line table */
- CORE_ADDR startaddr, endaddr;
- unsigned *firstLine;
+enter_line_range (struct subfile *subfile, unsigned beginoffset, unsigned endoffset, /* offsets to line table */
+ CORE_ADDR startaddr, /* offsets to line table */
+ CORE_ADDR endaddr, unsigned *firstLine)
{
unsigned int curoffset;
CORE_ADDR addr;
- struct external_lineno ext_lnno;
+ void *ext_lnno;
struct internal_lineno int_lnno;
unsigned int limit_offset;
bfd *abfd;
+ int linesz;
if (endoffset == 0 && startaddr == 0 && endaddr == 0)
return;
}
else
limit_offset -= 1;
+
abfd = this_symtab_psymtab->objfile->obfd;
+ linesz = coff_data (abfd)->local_linesz;
+ ext_lnno = alloca (linesz);
while (curoffset <= limit_offset)
{
bfd_seek (abfd, curoffset, SEEK_SET);
- bfd_read (&ext_lnno, sizeof (struct external_lineno), 1, abfd);
- bfd_coff_swap_lineno_in (abfd, &ext_lnno, &int_lnno);
+ bfd_read (ext_lnno, linesz, 1, abfd);
+ bfd_coff_swap_lineno_in (abfd, ext_lnno, &int_lnno);
/* Find the address this line represents. */
addr = (int_lnno.l_lnno
? int_lnno.l_addr.l_paddr
: read_symbol_nvalue (int_lnno.l_addr.l_symndx));
addr += ANOFFSET (this_symtab_psymtab->objfile->section_offsets,
- SECT_OFF_TEXT);
+ SECT_OFF_TEXT (this_symtab_psymtab->objfile));
if (addr < startaddr || (endaddr && addr >= endaddr))
return;
}
else
record_line (subfile, *firstLine + int_lnno.l_lnno, addr);
- curoffset += LINESZ;
+ curoffset += linesz;
}
}
continuations. */
static char *
-xcoff_next_symbol_text (objfile)
- struct objfile *objfile;
+xcoff_next_symbol_text (struct objfile *objfile)
{
struct internal_syment symbol;
static struct complaint msg =
/* Read symbols for a given partial symbol table. */
static void
-read_xcoff_symtab (pst)
- struct partial_symtab *pst;
+read_xcoff_symtab (struct partial_symtab *pst)
{
struct objfile *objfile = pst->objfile;
bfd *abfd = objfile->obfd;
char *strtbl = ((struct coff_symfile_info *) objfile->sym_private)->strtbl;
char *debugsec =
((struct coff_symfile_info *) objfile->sym_private)->debugsec;
+ char *debugfmt = xcoff_data (abfd)->xcoff64 ? "XCOFF64" : "XCOFF";
struct internal_syment symbol[1];
union internal_auxent main_aux;
start_stabs ();
start_symtab (filestring, (char *) NULL, file_start_addr);
- record_debugformat ("XCOFF");
+ record_debugformat (debugfmt);
symnum = ((struct symloc *) pst->read_symtab_private)->first_symnum;
max_symnum =
symnum + ((struct symloc *) pst->read_symtab_private)->numsyms;
cs->c_secnum = symbol->n_scnum;
cs->c_type = (unsigned) symbol->n_type;
- raw_symbol += coff_data (abfd)->local_symesz;
+ raw_symbol += local_symesz;
++symnum;
/* Save addr of first aux entry. */
if (last_source_file)
{
pst->symtab =
- end_symtab (cur_src_end_addr, objfile, SECT_OFF_TEXT);
+ end_symtab (cur_src_end_addr, objfile, SECT_OFF_TEXT (objfile));
end_stabs ();
}
start_stabs ();
start_symtab ("_globals_", (char *) NULL, (CORE_ADDR) 0);
- record_debugformat ("XCOFF");
+ record_debugformat (debugfmt);
cur_src_end_addr = first_object_file_end;
/* done with all files, everything from here on is globals */
}
- /* if explicitly specified as a function, treat is as one. */
- if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
- {
- bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
- 0, cs->c_naux, &main_aux);
- goto function_entry_point;
- }
-
if ((cs->c_sclass == C_EXT || cs->c_sclass == C_HIDEXT)
&& cs->c_naux == 1)
{
{
complete_symtab (filestring, file_start_addr);
cur_src_end_addr = file_end_addr;
- end_symtab (file_end_addr, objfile, SECT_OFF_TEXT);
+ end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
end_stabs ();
start_stabs ();
/* Give all csects for this source file the same
name. */
start_symtab (filestring, NULL, (CORE_ADDR) 0);
- record_debugformat ("XCOFF");
+ record_debugformat (debugfmt);
}
/* If this is the very first csect seen,
file_start_addr =
cs->c_value + ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT);
+ SECT_OFF_TEXT (objfile));
file_end_addr = file_start_addr + CSECT_LEN (&main_aux);
- if (cs->c_name && cs->c_name[0] == '.')
+ if (cs->c_name && (cs->c_name[0] == '.'
+ || cs->c_name[0] == '@'))
{
last_csect_name = cs->c_name;
last_csect_val = cs->c_value;
}
}
+ /* If explicitly specified as a function, treat is as one. This check
+ evaluates to true for @FIX* bigtoc CSECT symbols, so it must occur
+ after the above CSECT check. */
+ if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
+ {
+ bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
+ 0, cs->c_naux, &main_aux);
+ goto function_entry_point;
+ }
+
switch (cs->c_sclass)
{
complete_symtab (filestring, file_start_addr);
cur_src_end_addr = file_end_addr;
- end_symtab (file_end_addr, objfile, SECT_OFF_TEXT);
+ end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
end_stabs ();
/* XCOFF, according to the AIX 3.2 documentation, puts the filename
start_stabs ();
start_symtab (filestring, (char *) NULL, (CORE_ADDR) 0);
- record_debugformat ("XCOFF");
+ record_debugformat (debugfmt);
last_csect_name = 0;
/* reset file start and end addresses. A compilation unit with no text
if (STREQ (cs->c_name, ".bf"))
{
CORE_ADDR off = ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT);
+ SECT_OFF_TEXT (objfile));
bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
0, cs->c_naux, &main_aux);
(fcn_cs_saved.c_value + off,
fcn_stab_saved.c_name, 0, 0, objfile);
if (new->name != NULL)
- SYMBOL_SECTION (new->name) = SECT_OFF_TEXT;
+ SYMBOL_SECTION (new->name) = SECT_OFF_TEXT (objfile);
}
else if (STREQ (cs->c_name, ".ef"))
{
(fcn_cs_saved.c_value
+ fcn_aux_saved.x_sym.x_misc.x_fsize
+ ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT)),
+ SECT_OFF_TEXT (objfile))),
objfile);
within_function = 0;
}
new = push_context (depth,
(cs->c_value
+ ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT)));
+ SECT_OFF_TEXT (objfile))));
}
else if (STREQ (cs->c_name, ".eb"))
{
new->start_addr,
(cs->c_value
+ ANOFFSET (objfile->section_offsets,
- SECT_OFF_TEXT)),
+ SECT_OFF_TEXT (objfile))),
objfile);
}
local_symbols = new->locals;
complete_symtab (filestring, file_start_addr);
cur_src_end_addr = file_end_addr;
- s = end_symtab (file_end_addr, objfile, SECT_OFF_TEXT);
+ s = end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
/* When reading symbols for the last C_FILE of the objfile, try
to make sure that we set pst->symtab to the symtab for the
file, not to the _globals_ symtab. I'm not sure whether this
/* process one xcoff symbol. */
static struct symbol *
-process_xcoff_symbol (cs, objfile)
- register struct coff_symbol *cs;
- struct objfile *objfile;
+process_xcoff_symbol (register struct coff_symbol *cs, struct objfile *objfile)
{
struct symbol onesymbol;
register struct symbol *sym = &onesymbol;
memset (sym, '\0', sizeof (struct symbol));
/* default assumptions */
- SYMBOL_VALUE (sym) = cs->c_value + off;
+ SYMBOL_VALUE_ADDRESS (sym) = cs->c_value + off;
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
SYMBOL_SECTION (sym) = secnum_to_section (cs->c_secnum, objfile);
cs->c_name, 0, 0, objfile);
if (sym != NULL)
{
- SYMBOL_VALUE (sym) += static_block_base;
+ SYMBOL_VALUE_ADDRESS (sym) += static_block_base;
SYMBOL_SECTION (sym) = static_block_section;
}
return sym;
Result is in static storage and is only good for temporary use. */
static char *
-coff_getfilename (aux_entry, objfile)
- union internal_auxent *aux_entry;
- struct objfile *objfile;
+coff_getfilename (union internal_auxent *aux_entry, struct objfile *objfile)
{
static char buffer[BUFSIZ];
/* Set *SYMBOL to symbol number symno in symtbl. */
static void
-read_symbol (symbol, symno)
- struct internal_syment *symbol;
- int symno;
+read_symbol (struct internal_syment *symbol, int symno)
{
int nsyms =
((struct coff_symfile_info *) this_symtab_psymtab->objfile->sym_private)
/* Get value corresponding to symbol number symno in symtbl. */
-static int
-read_symbol_nvalue (symno)
- int symno;
+static CORE_ADDR
+read_symbol_nvalue (int symno)
{
struct internal_syment symbol[1];
symno is the symbol pointed to by the linetable. */
static int
-read_symbol_lineno (symno)
- int symno;
+read_symbol_lineno (int symno)
{
- int nsyms =
- ((struct coff_symfile_info *) this_symtab_psymtab->objfile->sym_private)
- ->symtbl_num_syms;
- char *stbl =
- ((struct coff_symfile_info *) this_symtab_psymtab->objfile->sym_private)
- ->symtbl;
+ struct objfile *objfile = this_symtab_psymtab->objfile;
+ boolean xcoff64 = xcoff_data (objfile->obfd)->xcoff64;
+
+ struct coff_symfile_info *info =
+ (struct coff_symfile_info *)objfile->sym_private;
+ int nsyms = info->symtbl_num_syms;
+ char *stbl = info->symtbl;
+ char *strtbl = info->strtbl;
+
struct internal_syment symbol[1];
union internal_auxent main_aux[1];
{
bfd_coff_swap_sym_in (symfile_bfd,
stbl + (symno * local_symesz), symbol);
- if (symbol->n_sclass == C_FCN && STREQ (symbol->n_name, ".bf"))
- goto gotit;
+ if (symbol->n_sclass == C_FCN)
+ {
+ char *name = xcoff64 ? strtbl + symbol->n_offset : symbol->n_name;
+ if (STREQ (name, ".bf"))
+ goto gotit;
+ }
symno += symbol->n_numaux + 1;
}
gotit:
/* take aux entry and return its lineno */
symno++;
- bfd_coff_swap_aux_in (this_symtab_psymtab->objfile->obfd,
- stbl + symno * local_symesz,
+ bfd_coff_swap_aux_in (objfile->obfd, stbl + symno * local_symesz,
symbol->n_type, symbol->n_sclass,
0, symbol->n_numaux, main_aux);
* mainline code can read the whole thing for efficiency.
*/
static void
-find_linenos (abfd, asect, vpinfo)
- bfd *abfd;
- sec_ptr asect;
- PTR vpinfo;
+find_linenos (bfd *abfd, sec_ptr asect, PTR vpinfo)
{
struct coff_symfile_info *info;
int size, count;
info->max_lineno_offset = maxoff;
}
\f
-static void xcoff_psymtab_to_symtab_1 PARAMS ((struct partial_symtab *));
+static void xcoff_psymtab_to_symtab_1 (struct partial_symtab *);
static void
-xcoff_psymtab_to_symtab_1 (pst)
- struct partial_symtab *pst;
+xcoff_psymtab_to_symtab_1 (struct partial_symtab *pst)
{
struct cleanup *old_chain;
int i;
pst->readin = 1;
}
-static void xcoff_psymtab_to_symtab PARAMS ((struct partial_symtab *));
+static void xcoff_psymtab_to_symtab (struct partial_symtab *);
/* Read in all of the symbols for a given psymtab for real.
Be verbose about it if the user wants that. */
static void
-xcoff_psymtab_to_symtab (pst)
- struct partial_symtab *pst;
+xcoff_psymtab_to_symtab (struct partial_symtab *pst)
{
bfd *sym_bfd;
}
\f
static void
-xcoff_new_init (objfile)
- struct objfile *objfile;
+xcoff_new_init (struct objfile *objfile)
{
stabsread_new_init ();
buildsym_new_init ();
uses BFD's determination to vector to us. */
static void
-xcoff_symfile_init (objfile)
- struct objfile *objfile;
+xcoff_symfile_init (struct objfile *objfile)
{
/* Allocate struct to keep track of the symfile */
objfile->sym_private = xmmalloc (objfile->md,
objfile struct from the global list of known objfiles. */
static void
-xcoff_symfile_finish (objfile)
- struct objfile *objfile;
+xcoff_symfile_finish (struct objfile *objfile)
{
if (objfile->sym_private != NULL)
{
/* Start with a fresh include table for the next objfile. */
if (inclTable)
{
- free (inclTable);
+ xfree (inclTable);
inclTable = NULL;
}
inclIndx = inclLength = inclDepth = 0;
static void
-init_stringtab (abfd, offset, objfile)
- bfd *abfd;
- file_ptr offset;
- struct objfile *objfile;
+init_stringtab (bfd *abfd, file_ptr offset, struct objfile *objfile)
{
long length;
int val;
static unsigned int first_fun_line_offset;
static struct partial_symtab *xcoff_start_psymtab
- PARAMS ((struct objfile *, struct section_offsets *, char *, int,
- struct partial_symbol **, struct partial_symbol **));
+ (struct objfile *, char *, int,
+ struct partial_symbol **, struct partial_symbol **);
/* Allocate and partially fill a partial symtab. It will be
completely filled at the end of the symbol list.
(normal). */
static struct partial_symtab *
-xcoff_start_psymtab (objfile, section_offsets,
- filename, first_symnum, global_syms, static_syms)
- struct objfile *objfile;
- struct section_offsets *section_offsets;
- char *filename;
- int first_symnum;
- struct partial_symbol **global_syms;
- struct partial_symbol **static_syms;
+xcoff_start_psymtab (struct objfile *objfile, char *filename, int first_symnum,
+ struct partial_symbol **global_syms,
+ struct partial_symbol **static_syms)
{
struct partial_symtab *result =
- start_psymtab_common (objfile, section_offsets,
+ start_psymtab_common (objfile, objfile->section_offsets,
filename,
- /* We fill in textlow later. */
+ /* We fill in textlow later. */
0,
global_syms, static_syms);
}
static struct partial_symtab *xcoff_end_psymtab
- PARAMS ((struct partial_symtab *, char **, int, int,
- struct partial_symtab **, int, int));
+ (struct partial_symtab *, char **, int, int,
+ struct partial_symtab **, int, int);
/* Close off the current usage of PST.
Returns PST, or NULL if the partial symtab was empty and thrown away.
are the information for includes and dependencies. */
static struct partial_symtab *
-xcoff_end_psymtab (pst, include_list, num_includes, capping_symbol_number,
- dependency_list, number_dependencies, textlow_not_set)
- struct partial_symtab *pst;
- char **include_list;
- int num_includes;
- int capping_symbol_number;
- struct partial_symtab **dependency_list;
- int number_dependencies;
- int textlow_not_set;
+xcoff_end_psymtab (struct partial_symtab *pst, char **include_list,
+ int num_includes, int capping_symbol_number,
+ struct partial_symtab **dependency_list,
+ int number_dependencies, int textlow_not_set)
{
int i;
struct objfile *objfile = pst->objfile;
return pst;
}
-static void swap_sym PARAMS ((struct internal_syment *,
- union internal_auxent *, char **, char **,
- unsigned int *,
- struct objfile *));
+static void swap_sym (struct internal_syment *,
+ union internal_auxent *, char **, char **,
+ unsigned int *, struct objfile *);
/* Swap raw symbol at *RAW and put the name in *NAME, the symbol in
*SYMBOL, the first auxent in *AUX. Advance *RAW and *SYMNUMP over
the symbol and its auxents. */
static void
-swap_sym (symbol, aux, name, raw, symnump, objfile)
- struct internal_syment *symbol;
- union internal_auxent *aux;
- char **name;
- char **raw;
- unsigned int *symnump;
- struct objfile *objfile;
+swap_sym (struct internal_syment *symbol, union internal_auxent *aux,
+ char **name, char **raw, unsigned int *symnump,
+ struct objfile *objfile)
{
bfd_coff_swap_sym_in (objfile->obfd, *raw, symbol);
if (symbol->n_zeroes)
}
static void
-scan_xcoff_symtab (section_offsets, objfile)
- struct section_offsets *section_offsets;
- struct objfile *objfile;
+scan_xcoff_symtab (struct objfile *objfile)
{
CORE_ADDR toc_offset = 0; /* toc offset value in data section. */
char *filestring = NULL;
ssymnum = 0;
while (ssymnum < nsyms)
{
- int sclass = ((struct external_syment *) sraw_symbol)->e_sclass[0] & 0xff;
+ int sclass;
/* This is the type we pass to partial-stab.h. A less kludgy solution
would be to break out partial-stab.h into its various parts--shuffle
off the DBXREAD_ONLY stuff to dbxread.c, and make separate
QUIT;
+ bfd_coff_swap_sym_in (abfd, sraw_symbol, &symbol);
+ sclass = symbol.n_sclass;
+
switch (sclass)
{
case C_EXT:
/* Give all psymtabs for this source file the same
name. */
pst = xcoff_start_psymtab
- (objfile, section_offsets,
+ (objfile,
filestring,
symnum_before,
objfile->global_psymbols.next,
objfile->static_psymbols.next);
}
}
- if (namestring && namestring[0] == '.')
+ /* Activate the misc_func_recorded mechanism for
+ compiler- and linker-generated CSECTs like ".strcmp"
+ and "@FIX1". */
+ if (namestring && (namestring[0] == '.'
+ || namestring[0] == '@'))
{
last_csect_name = namestring;
last_csect_val = symbol.n_value;
else
filestring = namestring;
- pst = xcoff_start_psymtab (objfile, section_offsets,
+ pst = xcoff_start_psymtab (objfile,
filestring,
symnum_before,
objfile->global_psymbols.next,
{
/* We probably could save a few instructions by assuming that
C_LSYM, C_PSYM, etc., never have auxents. */
- int naux1 =
- ((struct external_syment *) sraw_symbol)->e_numaux[0] + 1;
+ int naux1 = symbol.n_numaux + 1;
ssymnum += naux1;
- sraw_symbol += sizeof (struct external_syment) * naux1;
+ sraw_symbol += bfd_coff_symesz (abfd) * naux1;
}
break;
case C_DECL:
case C_STSYM:
stype = N_LSYM;
- pstab:;
+ pstab:
swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
&ssymnum, objfile);
#define CUR_SYMBOL_TYPE stype
/* START_PSYMTAB and END_PSYMTAB are never used, because they are only
called from DBXREAD_ONLY or N_SO code. Likewise for the symnum
variable. */
-#define START_PSYMTAB(ofile,secoff,fname,low,symoff,global_syms,static_syms) 0
+#define START_PSYMTAB(ofile,fname,low,symoff,global_syms,static_syms) 0
#define END_PSYMTAB(pst,ilist,ninc,c_off,c_text,dep_list,n_deps,textlow_not_set)\
do {} while (0)
/* We have already set the namestring. */
/* Return the toc offset value for a given objfile. */
CORE_ADDR
-get_toc_offset (objfile)
- struct objfile *objfile;
+get_toc_offset (struct objfile *objfile)
{
if (objfile)
return ((struct coff_symfile_info *) objfile->sym_private)->toc_offset;
table (as opposed to a shared lib or dynamically loaded file). */
static void
-xcoff_initial_scan (objfile, mainline)
- struct objfile *objfile;
- int mainline; /* FIXME comments above */
+xcoff_initial_scan (struct objfile *objfile, int mainline)
{
bfd *abfd;
int val;
back_to = make_cleanup (really_free_pendings, 0);
init_minimal_symbol_collection ();
- make_cleanup ((make_cleanup_func) discard_minimal_symbols, 0);
+ make_cleanup_discard_minimal_symbols ();
/* Now that the symbol table data of the executable file are all in core,
process them and define symbols accordingly. */
- scan_xcoff_symtab (objfile->section_offsets, objfile);
+ scan_xcoff_symtab (objfile);
/* Install any minimal symbols that have been collected as the current
minimal symbols for this objfile. */
do_cleanups (back_to);
}
\f
-static struct section_offsets *
-xcoff_symfile_offsets (objfile, addr)
- struct objfile *objfile;
- CORE_ADDR addr;
+static void
+xcoff_symfile_offsets (struct objfile *objfile, struct section_addr_info *addrs)
{
- struct section_offsets *section_offsets;
+ asection *sect = NULL;
int i;
objfile->num_sections = SECT_OFF_MAX;
- section_offsets = (struct section_offsets *)
+ objfile->section_offsets = (struct section_offsets *)
obstack_alloc (&objfile->psymbol_obstack, SIZEOF_SECTION_OFFSETS);
- /* syms_from_objfile kindly subtracts from addr the bfd_section_vma
- of the .text section. This strikes me as wrong--whether the
- offset to be applied to symbol reading is relative to the start
- address of the section depends on the symbol format. In any
- event, this whole "addr" concept is pretty broken (it doesn't
- handle any section but .text sensibly), so just ignore the addr
- parameter and use 0. rs6000-nat.c will set the correct section
- offsets via objfile_relocate. */
- for (i = 0; i < objfile->num_sections; ++i)
- ANOFFSET (section_offsets, i) = 0;
+ /* Initialize the section indexes for future use. */
+ sect = bfd_get_section_by_name (objfile->obfd, ".text");
+ if (sect)
+ objfile->sect_index_text = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".data");
+ if (sect)
+ objfile->sect_index_data = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".bss");
+ if (sect)
+ objfile->sect_index_bss = sect->index;
+
+ sect = bfd_get_section_by_name (objfile->obfd, ".rodata");
+ if (sect)
+ objfile->sect_index_rodata = sect->index;
- return section_offsets;
+ for (i = 0; i < objfile->num_sections; ++i)
+ {
+ /* syms_from_objfile kindly subtracts from addr the
+ bfd_section_vma of the .text section. This strikes me as
+ wrong--whether the offset to be applied to symbol reading is
+ relative to the start address of the section depends on the
+ symbol format. In any event, this whole "addr" concept is
+ pretty broken (it doesn't handle any section but .text
+ sensibly), so just ignore the addr parameter and use 0.
+ rs6000-nat.c will set the correct section offsets via
+ objfile_relocate. */
+ (objfile->section_offsets)->offsets[i] = 0;
+ }
}
/* Register our ability to parse symbols for xcoff BFD files. */
static struct sym_fns xcoff_sym_fns =
{
- /* Because the bfd uses coff_flavour, we need to specially kludge
- the flavour. It is possible that coff and xcoff should be merged as
+ /* It is possible that coff and xcoff should be merged as
they do have fundamental similarities (for example, the extra storage
classes used for stabs could presumably be recognized in any COFF file).
However, in addition to obvious things like all the csect hair, there are
xcoffread.c reads all the symbols and does in fact randomly access them
(in C_BSTAT and line number processing). */
- (enum bfd_flavour) -1,
+ bfd_target_xcoff_flavour,
xcoff_new_init, /* sym_new_init: init anything gbl to entire symtab */
xcoff_symfile_init, /* sym_init: read initial info, setup for sym_read() */
};
void
-_initialize_xcoffread ()
+_initialize_xcoffread (void)
{
add_symtab_fns (&xcoff_sym_fns);
projects / deliverable / binutils-gdb.git / blobdiff