/* Read AIX xcoff symbol tables and convert to internal format, for GDB.
- Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
- 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+ 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
+ 2010 Free Software Foundation, Inc.
Derived from coffread.c, dbxread.c, and a lot of hacking.
Contributed by IBM Corporation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "bfd.h"
#include "coff/xcoff.h"
#include "libxcoff.h"
#include "coff/rs6000.h"
+#include "xcoffread.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "stabsread.h"
#include "expression.h"
#include "complaints.h"
+#include "psympriv.h"
#include "gdb-stabs.h"
static void
bf_notfound_complaint (void)
{
- complaint (&symfile_complaints, "line numbers off, `.bf' symbol not found");
+ complaint (&symfile_complaints, _("line numbers off, `.bf' symbol not found"));
}
static void
ef_complaint (int arg1)
{
complaint (&symfile_complaints,
- "Mismatched .ef symbol ignored starting at symnum %d", arg1);
+ _("Mismatched .ef symbol ignored starting at symnum %d"), arg1);
}
static void
eb_complaint (int arg1)
{
complaint (&symfile_complaints,
- "Mismatched .eb symbol ignored starting at symnum %d", arg1);
+ _("Mismatched .eb symbol ignored starting at symnum %d"), arg1);
}
static void xcoff_initial_scan (struct objfile *, int);
/* This can happen with old versions of GCC.
GCC 2.3.3-930426 does not exhibit this on a test case which
a user said produced the message for him. */
- complaint (&symfile_complaints, "Nested C_BINCL symbols");
+ complaint (&symfile_complaints, _("Nested C_BINCL symbols"));
}
++inclDepth;
if (inclDepth == 0)
{
- complaint (&symfile_complaints, "Mismatched C_BINCL/C_EINCL pair");
+ complaint (&symfile_complaints, _("Mismatched C_BINCL/C_EINCL pair"));
}
allocate_include_entry ();
start, 0, &main_source_baseline);
}
- /* Have a new subfile for the include file. */
+ if (strcmp (inclTable[ii].name, last_source_file) == 0)
+ {
+ /* The entry in the include table refers to the main source
+ file. Add the lines to the main subfile. */
+
+ main_source_baseline = inclTable[ii].funStartLine;
+ enter_line_range
+ (&main_subfile, inclTable[ii].begin, inclTable[ii].end,
+ start, 0, &main_source_baseline);
+ inclTable[ii].subfile = &main_subfile;
+ }
+ else
+ {
+
+ /* Have a new subfile for the include file. */
- tmpSubfile = inclTable[ii].subfile =
- (struct subfile *) xmalloc (sizeof (struct subfile));
+ tmpSubfile = inclTable[ii].subfile =
+ (struct subfile *) xmalloc (sizeof (struct subfile));
- memset (tmpSubfile, '\0', sizeof (struct subfile));
- firstLine = &(inclTable[ii].funStartLine);
+ memset (tmpSubfile, '\0', sizeof (struct subfile));
+ firstLine = &(inclTable[ii].funStartLine);
- /* Enter include file's lines now. */
- enter_line_range (tmpSubfile, inclTable[ii].begin,
- inclTable[ii].end, start, 0, firstLine);
+ /* Enter include file's lines now. */
+ enter_line_range (tmpSubfile, inclTable[ii].begin,
+ inclTable[ii].end, start, 0, firstLine);
+ }
if (offset <= inclTable[ii].end)
offset = inclTable[ii].end + linesz;
for (ii = 0; ii < inclIndx; ++ii)
{
- if ((inclTable[ii].subfile)->line_vector) /* Useless if!!! FIXMEmgo */
+ if (inclTable[ii].subfile != ((struct subfile *) &main_subfile)
+ && (inclTable[ii].subfile)->line_vector) /* Useless if!!! FIXMEmgo */
{
struct linetable *lineTb, *lv;
memset (&main_subfile, '\0', sizeof (struct subfile));
}
-void
+static void
aix_process_linenos (void)
{
/* process line numbers and enter them into line vector */
CORE_ADDR startaddr, /* offsets to line table */
CORE_ADDR endaddr, unsigned *firstLine)
{
+ struct objfile *objfile = this_symtab_psymtab->objfile;
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
unsigned int curoffset;
CORE_ADDR addr;
void *ext_lnno;
return;
curoffset = beginoffset;
limit_offset =
- ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)
+ ((struct coff_symfile_info *) objfile->deprecated_sym_private)
->max_lineno_offset;
if (endoffset != 0)
if (endoffset >= limit_offset)
{
complaint (&symfile_complaints,
- "Bad line table offset in C_EINCL directive");
+ _("Bad line table offset in C_EINCL directive"));
return;
}
limit_offset = endoffset;
else
limit_offset -= 1;
- abfd = this_symtab_psymtab->objfile->obfd;
+ abfd = objfile->obfd;
linesz = coff_data (abfd)->local_linesz;
ext_lnno = alloca (linesz);
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 (this_symtab_psymtab->objfile));
+ addr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
if (addr < startaddr || (endaddr && addr >= endaddr))
return;
if (int_lnno.l_lnno == 0)
{
*firstLine = read_symbol_lineno (int_lnno.l_addr.l_symndx);
- record_line (subfile, 0, addr);
+ record_line (subfile, 0, gdbarch_addr_bits_remove (gdbarch, addr));
--(*firstLine);
}
else
- record_line (subfile, *firstLine + int_lnno.l_lnno, addr);
+ record_line (subfile, *firstLine + int_lnno.l_lnno,
+ gdbarch_addr_bits_remove (gdbarch, addr));
curoffset += linesz;
}
}
text address for the file, and SIZE is the number of bytes of text. */
#define complete_symtab(name, start_addr) { \
- last_source_file = savestring (name, strlen (name)); \
- last_source_start_addr = start_addr; \
+ last_source_file = xstrdup (name); \
+ last_source_start_addr = start_addr; \
}
namestr = (NAME); \
if (namestr[0] == '.') ++namestr; \
prim_record_minimal_symbol_and_info (namestr, (ADDR), (TYPE), \
- (char *)NULL, (SECTION), (asection *)NULL, (OBJFILE)); \
+ (SECTION), (asection *)NULL, (OBJFILE)); \
misc_func_recorded = 1; \
}
struct internal_syment symbol;
char *retval;
/* FIXME: is this the same as the passed arg? */
- objfile = this_symtab_psymtab->objfile;
+ if (this_symtab_psymtab)
+ objfile = this_symtab_psymtab->objfile;
bfd_coff_swap_sym_in (objfile->obfd, raw_symbol, &symbol);
if (symbol.n_zeroes)
{
- complaint (&symfile_complaints, "Unexpected symbol continuation");
+ complaint (&symfile_complaints, _("Unexpected symbol continuation"));
/* Return something which points to '\0' and hope the symbol reading
code does something reasonable. */
}
else
{
- complaint (&symfile_complaints, "Unexpected symbol continuation");
+ complaint (&symfile_complaints, _("Unexpected symbol continuation"));
/* Return something which points to '\0' and hope the symbol reading
code does something reasonable. */
int depth = 0;
int fcn_start_addr = 0;
- struct coff_symbol fcn_stab_saved;
+ struct coff_symbol fcn_stab_saved = { 0 };
/* fcn_cs_saved is global because process_xcoff_symbol needs it. */
union internal_auxent fcn_aux_saved;
break;
case C_FCN:
- if (DEPRECATED_STREQ (cs->c_name, ".bf"))
+ if (strcmp (cs->c_name, ".bf") == 0)
{
CORE_ADDR off = ANOFFSET (objfile->section_offsets,
SECT_OFF_TEXT (objfile));
if (new->name != NULL)
SYMBOL_SECTION (new->name) = SECT_OFF_TEXT (objfile);
}
- else if (DEPRECATED_STREQ (cs->c_name, ".ef"))
+ else if (strcmp (cs->c_name, ".ef") == 0)
{
bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
case C_UNTAG:
case C_ENTAG:
{
- complaint (&symfile_complaints, "Unrecognized storage class %d.",
+ complaint (&symfile_complaints, _("Unrecognized storage class %d."),
cs->c_sclass);
}
break;
break;
case C_BLOCK:
- if (DEPRECATED_STREQ (cs->c_name, ".bb"))
+ if (strcmp (cs->c_name, ".bb") == 0)
{
depth++;
new = push_context (depth,
+ ANOFFSET (objfile->section_offsets,
SECT_OFF_TEXT (objfile))));
}
- else if (DEPRECATED_STREQ (cs->c_name, ".eb"))
+ else if (strcmp (cs->c_name, ".eb") == 0)
{
if (context_stack_depth <= 0)
{ /* We attempted to pop an empty context stack */
#define SYMNAME_ALLOC(NAME, ALLOCED) \
- (ALLOCED) ? (NAME) : obsavestring ((NAME), strlen (NAME), &objfile->objfile_obstack);
-
+ ((ALLOCED) ? (NAME) : obsavestring ((NAME), strlen (NAME), &objfile->objfile_obstack))
-static struct type *func_symbol_type;
-static struct type *var_symbol_type;
/* process one xcoff symbol. */
will be patched with the type from its stab entry later on in
patch_block_stabs (), unless the file was compiled without -g. */
- DEPRECATED_SYMBOL_NAME (sym) = SYMNAME_ALLOC (name, symname_alloced);
- SYMBOL_TYPE (sym) = func_symbol_type;
+ SYMBOL_SET_LINKAGE_NAME (sym, SYMNAME_ALLOC (name, symname_alloced));
+ SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_text_symbol;
SYMBOL_CLASS (sym) = LOC_BLOCK;
SYMBOL_DUP (sym, sym2);
else
{
/* In case we can't figure out the type, provide default. */
- SYMBOL_TYPE (sym) = var_symbol_type;
+ SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_data_symbol;
switch (cs->c_sclass)
{
break;
default:
- complaint (&symfile_complaints, "Unexpected storage class: %d",
+ complaint (&symfile_complaints, _("Unexpected storage class: %d"),
cs->c_sclass);
/* FALLTHROUGH */
((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)->symtbl;
if (symno < 0 || symno >= nsyms)
{
- complaint (&symfile_complaints, "Invalid symbol offset");
+ complaint (&symfile_complaints, _("Invalid symbol offset"));
symbol->n_value = 0;
symbol->n_scnum = -1;
return;
if (symbol->n_sclass == C_FCN)
{
char *name = xcoff64 ? strtbl + symbol->n_offset : symbol->n_name;
- if (DEPRECATED_STREQ (name, ".bf"))
+ if (strcmp (name, ".bf") == 0)
goto gotit;
}
symno += symbol->n_numaux + 1;
count = asect->lineno_count;
- if (!DEPRECATED_STREQ (asect->name, ".text") || count == 0)
+ if (strcmp (asect->name, ".text") != 0 || count == 0)
return;
size = count * coff_data (abfd)->local_linesz;
0,
global_syms, static_syms);
- result->read_symtab_private = (char *)
- obstack_alloc (&objfile->objfile_obstack, sizeof (struct symloc));
+ result->read_symtab_private = obstack_alloc (&objfile->objfile_obstack,
+ sizeof (struct symloc));
((struct symloc *) result->read_symtab_private)->first_symnum = first_symnum;
result->read_symtab = xcoff_psymtab_to_symtab;
allocate_psymtab (include_list[i], objfile);
subpst->section_offsets = pst->section_offsets;
- subpst->read_symtab_private =
- (char *) obstack_alloc (&objfile->objfile_obstack,
- sizeof (struct symloc));
+ subpst->read_symtab_private = obstack_alloc (&objfile->objfile_obstack,
+ sizeof (struct symloc));
((struct symloc *) subpst->read_symtab_private)->first_symnum = 0;
((struct symloc *) subpst->read_symtab_private)->numsyms = 0;
subpst->textlow = 0;
sort_pst_symbols (pst);
- /* If there is already a psymtab or symtab for a file of this name,
- remove it. (If there is a symtab, more drastic things also
- happen.) This happens in VxWorks. */
- free_named_symtabs (pst->filename);
-
if (num_includes == 0
&& number_dependencies == 0
&& pst->n_global_syms == 0
function_outside_compilation_unit_complaint (const char *arg1)
{
complaint (&symfile_complaints,
- "function `%s' appears to be defined outside of all compilation units",
+ _("function `%s' appears to be defined outside of all compilation units"),
arg1);
}
static void
scan_xcoff_symtab (struct objfile *objfile)
{
+ struct gdbarch *gdbarch = get_objfile_arch (objfile);
CORE_ADDR toc_offset = 0; /* toc offset value in data section. */
char *filestring = NULL;
last_source_file = NULL;
abfd = objfile->obfd;
+ next_symbol_text_func = xcoff_next_symbol_text;
sraw_symbol = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl;
nsyms = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl_num_syms;
prim_record_minimal_symbol_and_info
(namestring, symbol.n_value,
sclass == C_HIDEXT ? mst_file_data : mst_data,
- NULL, secnum_to_section (symbol.n_scnum, objfile),
+ secnum_to_section (symbol.n_scnum, objfile),
NULL, objfile);
break;
prim_record_minimal_symbol_and_info
(namestring, symbol.n_value,
sclass == C_HIDEXT ? mst_file_data : mst_data,
- NULL, secnum_to_section (symbol.n_scnum, objfile),
+ secnum_to_section (symbol.n_scnum, objfile),
NULL, objfile);
break;
}
prim_record_minimal_symbol_and_info
(namestring, symbol.n_value,
sclass == C_HIDEXT ? mst_file_bss : mst_bss,
- NULL, secnum_to_section (symbol.n_scnum, objfile),
+ secnum_to_section (symbol.n_scnum, objfile),
NULL, objfile);
break;
}
default:
{
complaint (&symfile_complaints,
- "Storage class %d not recognized during scan", sclass);
+ _("Storage class %d not recognized during scan"), sclass);
}
/* FALLTHROUGH */
things like "break c-exp.y:435" need to work (I
suppose the psymtab_include_list could be hashed or put
in a binary tree, if profiling shows this is a major hog). */
- if (pst && DEPRECATED_STREQ (namestring, pst->filename))
+ if (pst && strcmp (namestring, pst->filename) == 0)
continue;
{
int i;
for (i = 0; i < includes_used; i++)
- if (DEPRECATED_STREQ (namestring, psymtab_include_list[i]))
+ if (strcmp (namestring, psymtab_include_list[i]) == 0)
{
i = -1;
break;
{
case 'S':
symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
-#ifdef STATIC_TRANSFORM_NAME
- namestring = STATIC_TRANSFORM_NAME (namestring);
-#endif
- add_psymbol_to_list (namestring, p - namestring,
+
+ if (gdbarch_static_transform_name_p (gdbarch))
+ namestring = gdbarch_static_transform_name
+ (gdbarch, namestring);
+
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_STATIC,
&objfile->static_psymbols,
0, symbol.n_value,
symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
/* The addresses in these entries are reported to be
wrong. See the code that reads 'G's for symtabs. */
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_STATIC,
&objfile->global_psymbols,
0, symbol.n_value,
|| (p == namestring + 1
&& namestring[0] != ' '))
{
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
STRUCT_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
symbol.n_value, 0,
if (p[2] == 't')
{
/* Also a typedef with the same name. */
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
symbol.n_value, 0,
case 't':
if (p != namestring) /* a name is there, not just :T... */
{
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_TYPEDEF,
&objfile->static_psymbols,
symbol.n_value, 0,
;
/* Note that the value doesn't matter for
enum constants in psymtabs, just in symtabs. */
- add_psymbol_to_list (p, q - p,
+ add_psymbol_to_list (p, q - p, 1,
VAR_DOMAIN, LOC_CONST,
&objfile->static_psymbols, 0,
0, psymtab_language, objfile);
case 'c':
/* Constant, e.g. from "const" in Pascal. */
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_CONST,
&objfile->static_psymbols, symbol.n_value,
0, psymtab_language, objfile);
xfree (name);
}
symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_BLOCK,
&objfile->static_psymbols,
0, symbol.n_value,
function_outside_compilation_unit_complaint (name);
xfree (name);
}
+
+ /* We need only the minimal symbols for these
+ loader-generated definitions. Keeping the global
+ symbols leads to "in psymbols but not in symbols"
+ errors. */
+ if (strncmp (namestring, "@FIX", 4) == 0)
+ continue;
+
symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
- add_psymbol_to_list (namestring, p - namestring,
+ add_psymbol_to_list (namestring, p - namestring, 1,
VAR_DOMAIN, LOC_BLOCK,
&objfile->global_psymbols,
0, symbol.n_value,
a backslash. */
complaint (&symfile_complaints,
- "unknown symbol descriptor `%c'", p[1]);
+ _("unknown symbol descriptor `%c'"), p[1]);
/* Ignore it; perhaps it is an extension that we don't
know about. */
/* Return the toc offset value for a given objfile. */
CORE_ADDR
-get_toc_offset (struct objfile *objfile)
+xcoff_get_toc_offset (struct objfile *objfile)
{
if (objfile)
return ((struct coff_symfile_info *) objfile->deprecated_sym_private)->toc_offset;
SECTION_OFFSETS contains offsets relative to which the symbols in the
various sections are (depending where the sections were actually loaded).
- MAINLINE is true if we are reading the main symbol
- table (as opposed to a shared lib or dynamically loaded file). */
+*/
static void
-xcoff_initial_scan (struct objfile *objfile, int mainline)
+xcoff_initial_scan (struct objfile *objfile, int symfile_flags)
{
bfd *abfd;
int val;
val = bfd_bread (((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl,
size, abfd);
if (val != size)
- perror_with_name ("reading symbol table");
+ perror_with_name (_("reading symbol table"));
/* If we are reinitializing, or if we have never loaded syms yet, init */
- if (mainline
- || (objfile->global_psymbols.size == 0
- && objfile->static_psymbols.size == 0))
+ if (objfile->global_psymbols.size == 0 && objfile->static_psymbols.size == 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
xcoff_initial_scan, /* sym_read: read a symbol file into symtab */
xcoff_symfile_finish, /* sym_finish: finished with file, cleanup */
xcoff_symfile_offsets, /* sym_offsets: xlate offsets ext->int form */
+ default_symfile_segments, /* sym_segments: Get segment information from
+ a file. */
+ aix_process_linenos, /* sym_read_linetable */
+ default_symfile_relocate, /* sym_relocate: Relocate a debug section. */
+ &psym_functions,
NULL /* next: pointer to next struct sym_fns */
};
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_xcoffread;
+
void
_initialize_xcoffread (void)
{
add_symtab_fns (&xcoff_sym_fns);
-
- func_symbol_type = init_type (TYPE_CODE_FUNC, 1, 0,
- "<function, no debug info>", NULL);
- TYPE_TARGET_TYPE (func_symbol_type) = builtin_type_int;
- var_symbol_type =
- init_type (TYPE_CODE_INT, TARGET_INT_BIT / HOST_CHAR_BIT, 0,
- "<variable, no debug info>", NULL);
}
projects / deliverable / binutils-gdb.git / blobdiff