/* 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 int read_symbol_lineno (int);
-static int read_symbol_nvalue (int);
+static CORE_ADDR read_symbol_nvalue (int);
static struct symbol *process_xcoff_symbol (struct coff_symbol *,
struct objfile *);
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;
else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
*args->resultp = SECT_OFF_DATA (objfile);
else
- *args->resultp = SECT_OFF_BSS (objfile);
+ *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 (objfile);
asection *sect = NULL;
/* 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 (objfile);
asection *sect = NULL;
#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 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
{
- 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 = xstrdup (inclTable[ii].name);
#endif
}
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;
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;
/* 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)
{
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)
{
/* 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;
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)
{
struct objfile *objfile = this_symtab_psymtab->objfile;
boolean xcoff64 = xcoff_data (objfile->obfd)->xcoff64;
* 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;
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;
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;
(normal). */
static struct partial_symtab *
-xcoff_start_psymtab (objfile, filename, first_symnum, global_syms,
- static_syms)
- struct objfile *objfile;
- 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, objfile->section_offsets,
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;
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 (objfile)
- struct objfile *objfile;
+scan_xcoff_symtab (struct objfile *objfile)
{
CORE_ADDR toc_offset = 0; /* toc offset value in data section. */
char *filestring = NULL;
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;
/* 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;
}
\f
static void
-xcoff_symfile_offsets (objfile, addrs)
- struct objfile *objfile;
- struct section_addr_info *addrs;
+xcoff_symfile_offsets (struct objfile *objfile, struct section_addr_info *addrs)
{
asection *sect = NULL;
int i;
sensibly), so just ignore the addr parameter and use 0.
rs6000-nat.c will set the correct section offsets via
objfile_relocate. */
- ANOFFSET (objfile->section_offsets, i) = 0;
+ (objfile->section_offsets)->offsets[i] = 0;
}
}
};
void
-_initialize_xcoffread ()
+_initialize_xcoffread (void)
{
add_symtab_fns (&xcoff_sym_fns);
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