/* Read AIX xcoff symbol tables and convert to internal format, for GDB.
- Copyright (C) 1986-2016 Free Software Foundation, Inc.
+ Copyright (C) 1986-2017 Free Software Foundation, Inc.
Derived from coffread.c, dbxread.c, and a lot of hacking.
Contributed by IBM Corporation.
{ ".dwabrev", NULL },
{ ".dwline", NULL },
{ ".dwloc", NULL },
+ { NULL, NULL }, /* debug_loclists */
/* AIX XCOFF defines one, named DWARF section for macro debug information.
XLC does not generate debug_macinfo for DWARF4 and below.
The section is assigned to debug_macro for DWARF5 and above. */
{ NULL, NULL },
{ ".dwmac", NULL },
{ ".dwstr", NULL },
+ { NULL, NULL }, /* debug_line_str */
{ ".dwrnges", NULL },
+ { NULL, NULL }, /* debug_rnglists */
{ ".dwpbtyp", NULL },
{ NULL, NULL }, /* debug_addr */
{ ".dwframe", NULL },
_("Mismatched .eb symbol ignored starting at symnum %d"), arg1);
}
-static void xcoff_initial_scan (struct objfile *, int);
+static void xcoff_initial_scan (struct objfile *, symfile_add_flags);
static void scan_xcoff_symtab (minimal_symbol_reader &,
struct objfile *);
-static char *xcoff_next_symbol_text (struct objfile *);
+static const char *xcoff_next_symbol_text (struct objfile *);
static void record_include_begin (struct coff_symbol *);
/* Pick a fake name that will produce the same results as this
one when passed to deduce_language_from_filename. Kludge on
top of kludge. */
- char *fakename = strrchr (inclTable[ii].name, '.');
+ const char *fakename = strrchr (inclTable[ii].name, '.');
if (fakename == NULL)
fakename = " ?";
/* This is the function which stabsread.c calls to get symbol
continuations. */
-static char *
+static const char *
xcoff_next_symbol_text (struct objfile *objfile)
{
struct internal_syment symbol;
- char *retval;
+ const char *retval;
/* FIXME: is this the same as the passed arg? */
if (this_symtab_objfile)
/* Done with all files, everything from here on is globals. */
}
- if ((cs->c_sclass == C_EXT || cs->c_sclass == C_HIDEXT)
- && cs->c_naux == 1)
+ if (cs->c_sclass == C_EXT || cs->c_sclass == C_HIDEXT ||
+ cs->c_sclass == C_WEAKEXT)
{
/* Dealing with a symbol with a csect entry. */
#define CSECT_SMTYP(PP) (SMTYP_SMTYP(CSECT(PP).x_smtyp))
#define CSECT_SCLAS(PP) (CSECT(PP).x_smclas)
- /* Convert the auxent to something we can access. */
- bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
- 0, cs->c_naux, &main_aux);
+ /* Convert the auxent to something we can access.
+ XCOFF can have more than one auxiliary entries.
+
+ Actual functions will have two auxiliary entries, one to have the
+ function size and other to have the smtype/smclass (LD/PR).
+
+ c_type value of main symbol table will be set only in case of
+ C_EXT/C_HIDEEXT/C_WEAKEXT storage class symbols.
+ Bit 10 of type is set if symbol is a function, ie the value is set
+ to 32(0x20). So we need to read the first function auxiliay entry
+ which contains the size. */
+ if (cs->c_naux > 1 && ISFCN (cs->c_type))
+ {
+ /* a function entry point. */
+
+ fcn_start_addr = cs->c_value;
+
+ /* save the function header info, which will be used
+ when `.bf' is seen. */
+ fcn_cs_saved = *cs;
+
+ /* Convert the auxent to something we can access. */
+ bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
+ 0, cs->c_naux, &fcn_aux_saved);
+ continue;
+ }
+ /* Read the csect auxiliary header, which is always the last by
+ onvention. */
+ bfd_coff_swap_aux_in (abfd,
+ raw_auxptr
+ + ((coff_data (abfd)->local_symesz)
+ * (cs->c_naux - 1)),
+ cs->c_type, cs->c_sclass,
+ cs->c_naux - 1, cs->c_naux,
+ &main_aux);
switch (CSECT_SMTYP (&main_aux))
{
switch (CSECT_SCLAS (&main_aux))
{
+ /* We never really come to this part as this case has been
+ handled in ISFCN check above.
+ This and other cases of XTY_LD are kept just for
+ reference. */
case XMC_PR:
- /* a function entry point. */
- function_entry_point:
-
- fcn_start_addr = cs->c_value;
-
- /* save the function header info, which will be used
- when `.bf' is seen. */
- fcn_cs_saved = *cs;
- fcn_aux_saved = main_aux;
continue;
case XMC_GL:
}
}
- /* 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)
{
case C_FILE:
SYMBOL_ACLASS_INDEX (sym) = LOC_BLOCK;
SYMBOL_DUP (sym, sym2);
- if (cs->c_sclass == C_EXT)
+ if (cs->c_sclass == C_EXT || C_WEAKEXT)
add_symbol_to_list (sym2, &global_symbols);
else if (cs->c_sclass == C_HIDEXT || cs->c_sclass == C_STAT)
add_symbol_to_list (sym2, &file_symbols);
static struct partial_symtab *
xcoff_start_psymtab (struct objfile *objfile,
const char *filename, int first_symnum,
- struct partial_symbol **global_syms,
- struct partial_symbol **static_syms)
+ std::vector<partial_symbol *> &global_psymbols,
+ std::vector<partial_symbol *> &static_psymbols)
{
struct partial_symtab *result =
start_psymtab_common (objfile,
filename,
/* We fill in textlow later. */
0,
- global_syms, static_syms);
+ global_psymbols, static_psymbols);
result->read_symtab_private =
XOBNEW (&objfile->objfile_obstack, struct symloc);
{
case C_EXT:
case C_HIDEXT:
+ case C_WEAKEXT:
{
/* The CSECT auxent--always the last auxent. */
union internal_auxent csect_aux;
(objfile,
filestring,
symnum_before,
- objfile->global_psymbols.next,
- objfile->static_psymbols.next);
+ objfile->global_psymbols,
+ objfile->static_psymbols);
}
}
/* Activate the misc_func_recorded mechanism for
pst = xcoff_start_psymtab (objfile,
filestring,
symnum_before,
- objfile->global_psymbols.next,
- objfile->static_psymbols.next);
+ objfile->global_psymbols,
+ objfile->static_psymbols);
last_csect_name = NULL;
}
break;
loaded). */
static void
-xcoff_initial_scan (struct objfile *objfile, int symfile_flags)
+xcoff_initial_scan (struct objfile *objfile, symfile_add_flags symfile_flags)
{
bfd *abfd;
int val;
perror_with_name (_("reading symbol table"));
/* If we are reinitializing, or if we have never loaded syms yet, init. */
- if (objfile->global_psymbols.size == 0 && objfile->static_psymbols.size == 0)
+ if (objfile->global_psymbols.capacity () == 0
+ && objfile->static_psymbols.capacity () == 0)
/* I'm not sure how how good num_symbols is; the rule of thumb in
init_psymbol_list was developed for a.out. On the one hand,
num_symbols includes auxents. On the other hand, it doesn't
xfree (arg);
}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_xcoffread;
-
void
_initialize_xcoffread (void)
{