/* Write resource file */
void
write_res_file (const char *fn,const rc_res_directory *resdir)
{
asection *sec;
rc_uint_type language;
bfd *abfd;
windres_bfd wrbfd;
unsigned long sec_length = 0,sec_length_wrote;
static const bfd_byte sign[] =
{0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
filename = fn;
abfd = windres_open_as_binary (filename, 0);
sec = bfd_make_section (abfd, ".data");
if (sec == NULL)
bfd_fatal ("bfd_make_section");
if (! bfd_set_section_flags (abfd, sec,
(SEC_HAS_CONTENTS | SEC_ALLOC
| SEC_LOAD | SEC_DATA)))
bfd_fatal ("bfd_set_section_flags");
/* Requiring this is probably a bug in BFD. */
sec->output_section = sec;
set_windres_bfd (&wrbfd, abfd, sec,
(target_is_bigendian ? WR_KIND_BFD_BIN_B
: WR_KIND_BFD_BIN_L));
language = -1;
sec_length = write_res_directory ((windres_bfd *) NULL, 0x20UL, resdir,
(const rc_res_id *) NULL,
(const rc_res_id *) NULL, &language, 1);
if (! bfd_set_section_size (abfd, sec, (sec_length + 3) & ~3))
bfd_fatal ("bfd_set_section_size");
if ((sec_length & 3) != 0)
set_windres_bfd_content (&wrbfd, sign, sec_length, 4-(sec_length & 3));
set_windres_bfd_content (&wrbfd, sign, 0, sizeof (sign));
language = -1;
sec_length_wrote = write_res_directory (&wrbfd, 0x20UL, resdir,
(const rc_res_id *) NULL,
(const rc_res_id *) NULL,
&language, 1);
if (sec_length != sec_length_wrote)
fatal ("res write failed with different sizes (%lu/%lu).", (long) sec_length,
(long) sec_length_wrote);
bfd_close (abfd);
return;
}
static void
mips_elf32_after_open()
{
/* Call the standard elf routine. */
gldelf32ltsmip_after_open ();
#ifdef SUPPORT_EMBEDDED_RELOCS
if (command_line.embedded_relocs && (! link_info.relocateable))
{
bfd *abfd;
/* In the embedded relocs mode we create a .rel.sdata section for
each input file with a .sdata section which has has
relocations. The BFD backend will fill in these sections
with magic numbers which can be used to relocate the data
section at run time. */
for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
{
asection *datasec;
/* As first-order business, make sure that each input BFD is
ELF. We need to call a special BFD backend function to
generate the embedded relocs, and we have that function
only for ELF */
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
einfo ("%F%B: all input objects must be ELF for --embedded-relocs\n");
if (bfd_get_arch_size (abfd) != 32)
einfo ("%F%B: all input objects must be 32-bit ELF for --embedded-relocs\n");
datasec = bfd_get_section_by_name (abfd, ".sdata");
/* Note that we assume that the reloc_count field has already
been set up. We could call bfd_get_reloc_upper_bound, but
that returns the size of a memory buffer rather than a reloc
count. We do not want to call bfd_canonicalize_reloc,
because although it would always work it would force us to
read in the relocs into BFD canonical form, which would waste
a significant amount of time and memory. */
if (datasec != NULL && datasec->reloc_count > 0)
{
asection *relsec;
relsec = bfd_make_section (abfd, ".rel.sdata");
if (relsec == NULL
|| ! bfd_set_section_flags (abfd, relsec,
(SEC_ALLOC
| SEC_LOAD
| SEC_HAS_CONTENTS
| SEC_IN_MEMORY))
|| ! bfd_set_section_alignment (abfd, relsec,
(32 == 32) ? 2 : 3)
|| ! bfd_set_section_size (abfd, relsec,
datasec->reloc_count
* ((32 / 8) + 8)))
einfo ("%F%B: cannot create .rel.sdata section: %E\n");
}
/* Double check that all other data sections have no relocs,
as is required for embedded PIC code. */
bfd_map_over_sections (abfd, mips_elf32_check_sections,
(PTR) datasec);
}
}
#endif /* SUPPORT_EMBEDDED_RELOCS */
}
static void emit_so_bfd(const Chunk *base, uint64_t textOffs, uint64_t textLen,
std::vector<MethBlock> &blocks,
std::vector<DebugInfo> &debugInfos)
{
bfd_init();
bfd *abfd = bfd_openw("jit.o",
#ifdef __MACH__
"mach-o-i386"
#else
"elf32-i386"
#endif
) ;
bfd_set_format(abfd, bfd_object);
#ifdef __MACH__
bfd_set_arch_mach(abfd, bfd_arch_i386, bfd_mach_i386_i386);
#else
bfd_set_arch_mach(abfd, bfd_arch_i386, bfd_mach_i386_i386);
#endif
asection *textSection = bfd_make_section(abfd, ".text");
bfd_set_section_flags(
abfd, textSection,
SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_HAS_CONTENTS);
#ifdef __MACH__
bfd_set_section_size(abfd, textSection, textLen);
// for mach-o, the .o we generate is linked into a .dylib
// so just set the alignment to make sure things end up
// in the right place after link
textSection->alignment_power = l2(textOffs);
static const uint64_t textAdj = 0;
#else
bfd_set_section_size(abfd, textSection, textLen + textOffs);
// for linux (and oprofile) the generated object is used
// directly, so just offset the symbols
uint64_t textAdj = textOffs;
#endif
asymbol **symbols = (asymbol **) malloc(
sizeof(asymbol *) * (6 + blocks.size()));
uint64_t start = ((uint64_t *) base->data)[0] + textOffs;
int n = 0;
std::map<std::string, int> namesSeen;
std::vector<MethBlock>::const_iterator i, e;
symbols[n++] = make_glob_symbol(abfd, "__jitStart", textSection, textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitStart", textSection, textAdj);
for (i = blocks.begin(), e = blocks.end(); i != e; i++, n++) {
std::string name = i->name();
int seen = namesSeen[name]++;
if (seen) {
char buf[16];
sprintf(buf, " (%d)", seen);
name += buf;
}
symbols[n] = make_glob_symbol(abfd, name.c_str(), textSection,
i->start() - start + textAdj);
}
symbols[n++] = make_glob_symbol(abfd, "__jitUnused", textSection,
blocks.back().end() - start + textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitUnused", textSection,
blocks.back().end() - start + textAdj);
symbols[n++] = make_glob_symbol(abfd, "__jitEnd", textSection,
textLen + textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitEnd", textSection,
textLen + textAdj);
bfd_set_symtab(abfd, symbols, n);
for (i = blocks.begin(), e = blocks.end(); i != e; i++, n++)
if (i->codeBytes())
bfd_set_section_contents(abfd, textSection, i->codeBytes(),
i->start() - start, i->codeLen());
bfd_close(abfd);
for (int n = 0; n < blocks.size(); n++)
free((void *) symbols[n]->name);
free(symbols);
}
int
_bfd_vms_slurp_gsd (bfd * abfd, int objtype)
{
int gsd_type, gsd_size;
asection *section;
unsigned char *vms_rec;
flagword new_flags, old_flags;
char *name;
asymbol *symbol;
vms_symbol_entry *entry;
unsigned long base_addr;
unsigned long align_addr;
static unsigned int psect_idx = 0;
#if VMS_DEBUG
vms_debug (2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
#endif
switch (objtype)
{
case EOBJ_S_C_EGSD:
PRIV (vms_rec) += 8; /* Skip type, size, l_temp. */
PRIV (rec_size) -= 8;
break;
case OBJ_S_C_GSD:
PRIV (vms_rec) += 1;
PRIV (rec_size) -= 1;
break;
default:
return -1;
}
/* Calculate base address for each section. */
base_addr = 0L;
abfd->symcount = 0;
while (PRIV (rec_size) > 0)
{
vms_rec = PRIV (vms_rec);
if (objtype == OBJ_S_C_GSD)
gsd_type = vms_rec[0];
else
{
_bfd_vms_get_header_values (abfd, vms_rec, &gsd_type, &gsd_size);
gsd_type += EVAX_OFFSET;
}
#if VMS_DEBUG
vms_debug (3, "gsd_type %d\n", gsd_type);
#endif
switch (gsd_type)
{
case GSD_S_C_PSC:
{
/* Program section definition. */
asection *old_section = 0;
#if VMS_DEBUG
vms_debug (4, "GSD_S_C_PSC\n");
#endif
/* If this section isn't a bfd section. */
if (PRIV (is_vax) && (psect_idx < (abfd->section_count - 1)))
{
/* Check for temporary section from TIR record. */
if (psect_idx < PRIV (section_count))
old_section = PRIV (sections)[psect_idx];
else
old_section = 0;
}
name = _bfd_vms_save_counted_string (vms_rec + 8);
section = bfd_make_section (abfd, name);
if (!section)
{
(*_bfd_error_handler) (_("bfd_make_section (%s) failed"),
name);
return -1;
}
old_flags = bfd_getl16 (vms_rec + 2);
section->size = bfd_getl32 (vms_rec + 4); /* allocation */
new_flags = vms_secflag_by_name (abfd, vax_section_flags, name,
section->size > 0);
if (old_flags & EGPS_S_V_REL)
new_flags |= SEC_RELOC;
if (old_flags & GPS_S_M_OVR)
new_flags |= SEC_IS_COMMON;
if (!bfd_set_section_flags (abfd, section, new_flags))
{
(*_bfd_error_handler)
(_("bfd_set_section_flags (%s, %x) failed"),
name, new_flags);
return -1;
}
section->alignment_power = vms_rec[1];
align_addr = (1 << section->alignment_power);
if ((base_addr % align_addr) != 0)
base_addr += (align_addr - (base_addr % align_addr));
section->vma = (bfd_vma)base_addr;
base_addr += section->size;
/* Global section is common symbol. */
if (old_flags & GPS_S_M_GBL)
{
entry = _bfd_vms_enter_symbol (abfd, name);
if (entry == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
symbol = entry->symbol;
symbol->value = 0;
symbol->section = section;
symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON);
}
/* Copy saved contents if old_section set. */
if (old_section != 0)
{
section->contents = old_section->contents;
if (section->size < old_section->size)
{
(*_bfd_error_handler)
(_("Size mismatch section %s=%lx, %s=%lx"),
old_section->name,
(unsigned long) old_section->size,
section->name,
(unsigned long) section->size);
return -1;
}
else if (section->size > old_section->size)
{
section->contents = bfd_realloc (old_section->contents,
section->size);
if (section->contents == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
}
}
else
{
section->contents = bfd_zmalloc (section->size);
if (section->contents == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
}
#if VMS_DEBUG
vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
section->size, section->vma, section->contents);
#endif
gsd_size = vms_rec[8] + 9;
psect_idx++;
}
break;
case GSD_S_C_EPM:
case GSD_S_C_EPMW:
#if VMS_DEBUG
vms_debug (4, "gsd epm\n");
#endif
/* Fall through. */
case GSD_S_C_SYM:
case GSD_S_C_SYMW:
{
int name_offset = 0, value_offset = 0;
/* Symbol specification (definition or reference). */
#if VMS_DEBUG
vms_debug (4, "GSD_S_C_SYM(W)\n");
#endif
old_flags = bfd_getl16 (vms_rec + 2);
new_flags = BSF_NO_FLAGS;
if (old_flags & GSY_S_M_WEAK)
new_flags |= BSF_WEAK;
switch (gsd_type)
{
case GSD_S_C_EPM:
name_offset = 11;
value_offset = 5;
new_flags |= BSF_FUNCTION;
break;
case GSD_S_C_EPMW:
name_offset = 12;
value_offset = 6;
new_flags |= BSF_FUNCTION;
break;
case GSD_S_C_SYM:
if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
name_offset = 9;
else
name_offset = 4;
value_offset = 5;
break;
case GSD_S_C_SYMW:
if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
name_offset = 10;
else
name_offset = 5;
value_offset = 6;
break;
}
/* Save symbol in vms_symbol_table. */
entry = _bfd_vms_enter_symbol
(abfd, _bfd_vms_save_counted_string (vms_rec + name_offset));
if (entry == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
symbol = entry->symbol;
if (old_flags & GSY_S_M_DEF)
{
/* Symbol definition. */
int psect;
symbol->value = bfd_getl32 (vms_rec + value_offset);
if ((gsd_type == GSD_S_C_SYMW)
|| (gsd_type == GSD_S_C_EPMW))
psect = bfd_getl16 (vms_rec + value_offset - 2);
else
psect = vms_rec[value_offset-1];
symbol->section = (asection *)(unsigned long)psect;
#if VMS_DEBUG
vms_debug (4, "gsd sym def #%d (%s, %ld, %04x=%s)\n", abfd->symcount,
symbol->name, (long)symbol->section, old_flags, flag2str(gsyflagdesc, old_flags));
#endif
}
else
{
/* Symbol reference. */
#if VMS_DEBUG
vms_debug (4, "gsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
symbol->name, old_flags, flag2str (gsyflagdesc, old_flags));
#endif
symbol->section = (asection *)(unsigned long)-1;
}
gsd_size = vms_rec[name_offset] + name_offset + 1;
symbol->flags = new_flags;
}
break;
case GSD_S_C_PRO:
case GSD_S_C_PROW:
#if VMS_DEBUG
vms_debug (4, "gsd pro\n");
#endif
break;
case GSD_S_C_IDC:
#if VMS_DEBUG
vms_debug (4, "gsd idc\n");
#endif
break;
case GSD_S_C_ENV:
#if VMS_DEBUG
vms_debug (4, "gsd env\n");
#endif
break;
case GSD_S_C_LSY:
#if VMS_DEBUG
vms_debug (4, "gsd lsy\n");
#endif
break;
case GSD_S_C_LEPM:
#if VMS_DEBUG
vms_debug (4, "gsd lepm\n");
#endif
break;
case GSD_S_C_LPRO:
#if VMS_DEBUG
vms_debug (4, "gsd lpro\n");
#endif
break;
case GSD_S_C_SPSC:
#if VMS_DEBUG
vms_debug (4, "gsd spsc\n");
#endif
break;
case GSD_S_C_SYMV:
#if VMS_DEBUG
vms_debug (4, "gsd symv\n");
#endif
break;
case GSD_S_C_EPMV:
#if VMS_DEBUG
vms_debug (4, "gsd epmv\n");
#endif
break;
case GSD_S_C_PROV:
#if VMS_DEBUG
vms_debug (4, "gsd prov\n");
#endif
break;
case EGSD_S_C_PSC + EVAX_OFFSET:
{
/* Program section definition. */
name = _bfd_vms_save_counted_string (vms_rec + EGPS_S_B_NAMLNG);
section = bfd_make_section (abfd, name);
if (!section)
return -1;
old_flags = bfd_getl16 (vms_rec + EGPS_S_W_FLAGS);
section->size = bfd_getl32 (vms_rec + EGPS_S_L_ALLOC);
new_flags = vms_secflag_by_name (abfd, evax_section_flags, name,
section->size > 0);
if (old_flags & EGPS_S_V_REL)
new_flags |= SEC_RELOC;
if (!bfd_set_section_flags (abfd, section, new_flags))
return -1;
section->alignment_power = vms_rec[EGPS_S_B_ALIGN];
align_addr = (1 << section->alignment_power);
if ((base_addr % align_addr) != 0)
base_addr += (align_addr - (base_addr % align_addr));
section->vma = (bfd_vma)base_addr;
base_addr += section->size;
section->contents = bfd_zmalloc (section->size);
if (section->contents == NULL)
return -1;
section->filepos = (unsigned int)-1;
#if VMS_DEBUG
vms_debug (4, "EGSD P-section %d (%s, flags %04x=%s) ",
section->index, name, old_flags, flag2str(gpsflagdesc, old_flags));
vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
section->size, section->vma, section->contents);
#endif
}
break;
case EGSD_S_C_SYM + EVAX_OFFSET:
{
/* Global symbol specification (definition or reference). */
symbol = bfd_make_empty_symbol (abfd);
if (symbol == 0)
return -1;
old_flags = bfd_getl16 (vms_rec + EGSY_S_W_FLAGS);
new_flags = BSF_NO_FLAGS;
if (old_flags & EGSY_S_V_WEAK)
new_flags |= BSF_WEAK;
if (old_flags & EGSY_S_V_DEF)
{
/* Symbol definition. */
if (old_flags & EGSY_S_V_NORM)
new_flags |= BSF_FUNCTION;
symbol->name =
_bfd_vms_save_counted_string (vms_rec + ESDF_S_B_NAMLNG);
symbol->value = bfd_getl64 (vms_rec + ESDF_S_L_VALUE);
symbol->section =
(asection *)(unsigned long) bfd_getl32 (vms_rec + ESDF_S_L_PSINDX);
#if VMS_DEBUG
vms_debug (4, "EGSD sym def #%d (%s, %ld, %04x=%s)\n",
abfd->symcount, symbol->name, (long)symbol->section,
old_flags, flag2str (gsyflagdesc, old_flags));
#endif
}
else
{
/* Symbol reference. */
symbol->name =
_bfd_vms_save_counted_string (vms_rec + ESRF_S_B_NAMLNG);
#if VMS_DEBUG
vms_debug (4, "EGSD sym ref #%d (%s, %04x=%s)\n",
abfd->symcount, symbol->name, old_flags,
flag2str (gsyflagdesc, old_flags));
#endif
symbol->section = (asection *)(unsigned long)-1;
}
symbol->flags = new_flags;
/* Register symbol in VMS symbol table. */
entry = (vms_symbol_entry *) bfd_hash_lookup
(PRIV (vms_symbol_table), symbol->name, TRUE, FALSE);
if (entry == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
if (entry->symbol != NULL)
{
/* FIXME ?, DEC C generates this. */
#if VMS_DEBUG
vms_debug (4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name);
#endif
}
else
{
entry->symbol = symbol;
PRIV (gsd_sym_count)++;
abfd->symcount++;
}
}
break;
case EGSD_S_C_SYMG + EVAX_OFFSET:
{
/* Universal symbol specification (definition). */
symbol = bfd_make_empty_symbol (abfd);
if (symbol == 0)
return -1;
old_flags = bfd_getl16 (vms_rec + EGST_S_W_FLAGS);
new_flags = BSF_NO_FLAGS;
if (old_flags & EGSY_S_V_WEAK)
new_flags |= BSF_WEAK;
if (old_flags & EGSY_S_V_DEF) /* symbol definition */
{
if (old_flags & EGSY_S_V_NORM)
new_flags |= BSF_FUNCTION;
symbol->name =
_bfd_vms_save_counted_string (vms_rec + EGST_S_B_NAMLNG);
/* For BSF_FUNCTION symbols, the entry point is in LP_1
and the descriptor in LP_2. For other symbols, the
unique value is in LP_2. */
symbol->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_2);
/* Adding this offset is necessary in order for GDB to
read the DWARF-2 debug info from shared libraries. */
if (abfd->flags & DYNAMIC
&& strstr (symbol->name, "$DWARF2.DEBUG") != 0)
symbol->value += PRIV (symvva);
}
else /* symbol reference */
(*_bfd_error_handler) ("Invalid EGST reference");
symbol->flags = new_flags;
if (register_universal_symbol (abfd, symbol, old_flags) < 0)
return -1;
/* Make a second symbol for the entry point. */
if (symbol->flags & BSF_FUNCTION)
{
asymbol *en_sym;
char *name = bfd_alloc (abfd, strlen (symbol->name) + 5);
en_sym = bfd_make_empty_symbol (abfd);
if (en_sym == 0)
return -1;
strcpy (name, symbol->name);
strcat (name, "..en");
en_sym->name = name;
en_sym->value = bfd_getl64 (vms_rec + EGST_S_Q_LP_1);
if (register_universal_symbol (abfd, en_sym, old_flags) < 0)
return -1;
}
}
break;
case EGSD_S_C_IDC + EVAX_OFFSET:
break;
default:
(*_bfd_error_handler) (_("Unknown GSD/EGSD subtype %d"), gsd_type);
bfd_set_error (bfd_error_bad_value);
return -1;
}
PRIV (rec_size) -= gsd_size;
PRIV (vms_rec) += gsd_size;
}
if (abfd->symcount > 0)
abfd->flags |= HAS_SYMS;
return 0;
}
static const bfd_target *
aout_adobe_callback (bfd *abfd)
{
struct internal_exec *execp = exec_hdr (abfd);
asection *sect;
struct external_segdesc ext[1];
char *section_name;
char try_again[30]; /* Name and number. */
char *newname;
int trynum;
flagword flags;
/* Architecture and machine type -- unknown in this format. */
bfd_set_arch_mach (abfd, bfd_arch_unknown, 0L);
/* The positions of the string table and symbol table. */
obj_str_filepos (abfd) = N_STROFF (*execp);
obj_sym_filepos (abfd) = N_SYMOFF (*execp);
/* Suck up the section information from the file, one section at a time. */
for (;;)
{
bfd_size_type amt = sizeof (*ext);
if (bfd_bread ( ext, amt, abfd) != amt)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
switch (ext->e_type[0])
{
case N_TEXT:
section_name = ".text";
flags = SEC_CODE | SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS;
break;
case N_DATA:
section_name = ".data";
flags = SEC_DATA | SEC_LOAD | SEC_ALLOC | SEC_HAS_CONTENTS;
break;
case N_BSS:
section_name = ".bss";
flags = SEC_DATA | SEC_HAS_CONTENTS;
break;
case 0:
goto no_more_sections;
default:
(*_bfd_error_handler)
(_("%B: Unknown section type in a.out.adobe file: %x\n"),
abfd, ext->e_type[0]);
goto no_more_sections;
}
/* First one is called ".text" or whatever; subsequent ones are
".text1", ".text2", ... */
bfd_set_error (bfd_error_no_error);
sect = bfd_make_section (abfd, section_name);
trynum = 0;
while (!sect)
{
if (bfd_get_error () != bfd_error_no_error)
/* Some other error -- slide into the sunset. */
return NULL;
sprintf (try_again, "%s%d", section_name, ++trynum);
sect = bfd_make_section (abfd, try_again);
}
/* Fix the name, if it is a sprintf'd name. */
if (sect->name == try_again)
{
amt = strlen (sect->name);
newname = bfd_zalloc (abfd, amt);
if (newname == NULL)
return NULL;
strcpy (newname, sect->name);
sect->name = newname;
}
/* Now set the section's attributes. */
bfd_set_section_flags (abfd, sect, flags);
/* Assumed big-endian. */
sect->size = ((ext->e_size[0] << 8)
| ext->e_size[1] << 8
| ext->e_size[2]);
sect->vma = H_GET_32 (abfd, ext->e_virtbase);
sect->filepos = H_GET_32 (abfd, ext->e_filebase);
/* FIXME XXX alignment? */
/* Set relocation information for first section of each type. */
if (trynum == 0)
switch (ext->e_type[0])
{
case N_TEXT:
sect->rel_filepos = N_TRELOFF (*execp);
sect->reloc_count = execp->a_trsize;
break;
case N_DATA:
sect->rel_filepos = N_DRELOFF (*execp);
sect->reloc_count = execp->a_drsize;
break;
default:
break;
}
}
no_more_sections:
adata (abfd).reloc_entry_size = sizeof (struct reloc_std_external);
adata (abfd).symbol_entry_size = sizeof (struct external_nlist);
adata (abfd).page_size = 1; /* Not applicable. */
adata (abfd).segment_size = 1; /* Not applicable. */
adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE;
return abfd->xvec;
}
/* Process GSD/EGSD record.
* Return 0 on success, -1 on error. */
int
_bfd_vms_slurp_gsd(bfd * abfd, int objtype)
{
#if defined(VMS_DEBUG) && VMS_DEBUG
static struct flagdescstruct gpsflagdesc[] =
{
{ "PIC", 0x0001 },
{ "LIB", 0x0002 },
{ "OVR", 0x0004 },
{ "REL", 0x0008 },
{ "GBL", 0x0010 },
{ "SHR", 0x0020 },
{ "EXE", 0x0040 },
{ "RD", 0x0080 },
{ "WRT", 0x0100 },
{ "VEC", 0x0200 },
{ "NOMOD", 0x0400 },
{ "COM", 0x0800 },
{ NULL, 0 }
};
static struct flagdescstruct gsyflagdesc[] =
{
{ "WEAK", 0x0001 },
{ "DEF", 0x0002 },
{ "UNI", 0x0004 },
{ "REL", 0x0008 },
{ "COMM", 0x0010 },
{ "VECEP", 0x0020 },
{ "NORM", 0x0040 },
{ NULL, 0 }
};
#endif /* VMS_DEBUG */
int gsd_type, gsd_size;
asection *section;
unsigned char *vms_rec;
flagword new_flags, old_flags;
char *name;
asymbol *symbol;
vms_symbol_entry *entry;
unsigned long base_addr;
unsigned long align_addr;
static unsigned int psect_idx = 0;
gsd_size = 0;
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug(2, "GSD/EGSD (%d/%x)\n", objtype, objtype);
#endif /* VMS_DEBUG */
switch (objtype)
{
case EOBJ_S_C_EGSD:
PRIV(vms_rec) += 8; /* Skip type, size, l_temp. */
PRIV(rec_size) -= 8;
break;
case OBJ_S_C_GSD:
PRIV(vms_rec) += 1;
PRIV(rec_size) -= 1;
break;
default:
return -1;
}
/* Calculate base address for each section: */
base_addr = 0L;
abfd->symcount = 0;
while (PRIV(rec_size) > 0)
{
vms_rec = PRIV(vms_rec);
if (objtype == OBJ_S_C_GSD)
gsd_type = *vms_rec;
else
{
_bfd_vms_get_header_values(abfd, vms_rec, &gsd_type, &gsd_size);
gsd_type += EVAX_OFFSET;
}
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (3, "gsd_type %d\n", gsd_type);
#endif
switch (gsd_type)
{
case GSD_S_C_PSC:
{
/* Program section definition. */
asection *old_section = 0;
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "GSD_S_C_PSC\n");
#endif
/* If this section isn't a bfd section. */
if (PRIV (is_vax) && (psect_idx < (abfd->section_count-1)))
{
/* Check for temporary section from TIR record. */
if (psect_idx < PRIV (section_count))
old_section = PRIV (sections)[psect_idx];
else
old_section = 0;
}
name = _bfd_vms_save_counted_string (vms_rec + 8);
section = bfd_make_section (abfd, name);
if (!section)
{
(*_bfd_error_handler) (_("bfd_make_section (%s) failed"),
name);
return -1;
}
old_flags = bfd_getl16 (vms_rec + 2);
section->size = bfd_getl32 (vms_rec + 4); /* allocation */
new_flags = vms_secflag_by_name (abfd, vax_section_flags, name,
section->size > 0);
if (old_flags & EGPS_S_V_REL)
new_flags |= SEC_RELOC;
if (old_flags & GPS_S_M_OVR)
new_flags |= SEC_IS_COMMON;
if (!bfd_set_section_flags (abfd, section, new_flags))
{
(*_bfd_error_handler)
(_("bfd_set_section_flags (%s, %x) failed"),
name, new_flags);
return -1;
}
section->alignment_power = vms_rec[1];
align_addr = (1 << section->alignment_power);
if ((base_addr % align_addr) != 0)
base_addr += (align_addr - (base_addr % align_addr));
section->vma = (bfd_vma)base_addr;
base_addr += section->size;
/* Global section is common symbol. */
if (old_flags & GPS_S_M_GBL)
{
entry = _bfd_vms_enter_symbol (abfd, name);
if (entry == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
symbol = entry->symbol;
symbol->value = 0;
symbol->section = section;
symbol->flags = (BSF_GLOBAL | BSF_SECTION_SYM | BSF_OLD_COMMON);
}
/* Copy saved contents if old_section set. */
if (old_section != 0)
{
section->contents = old_section->contents;
if (section->size < old_section->size)
{
(*_bfd_error_handler)
(_("Size mismatch section %s=%lx, %s=%lx"),
old_section->name,
(unsigned long) old_section->size,
section->name,
(unsigned long) section->size);
return -1;
}
else if (section->size > old_section->size)
{
section->contents = (unsigned char *)bfd_realloc(old_section->contents,
section->size);
if (section->contents == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
}
}
else
{
section->contents = (unsigned char *)bfd_zmalloc(section->size);
if (section->contents == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
}
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd psc %d (%s, flags %04x=%s) ",
section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
section->size, section->vma, section->contents);
#endif /* VMS_DEBUG */
gsd_size = vms_rec[8] + 9;
psect_idx++;
}
break;
case GSD_S_C_EPM:
case GSD_S_C_EPMW:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd epm\n");
#endif
/* Fall through. */
case GSD_S_C_SYM:
case GSD_S_C_SYMW:
{
int name_offset = 0, value_offset = 0;
/* Symbol specification (definition or reference). */
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug(4, "GSD_S_C_SYM(W)\n");
#endif
old_flags = bfd_getl16 (vms_rec + 2);
new_flags = BSF_NO_FLAGS;
if (old_flags & GSY_S_M_WEAK)
new_flags |= BSF_WEAK;
switch (gsd_type) {
case GSD_S_C_EPM:
name_offset = 11;
value_offset = 5;
new_flags |= BSF_FUNCTION;
break;
case GSD_S_C_EPMW:
name_offset = 12;
value_offset = 6;
new_flags |= BSF_FUNCTION;
break;
case GSD_S_C_SYM:
if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
name_offset = 9;
else
name_offset = 4;
value_offset = 5;
break;
case GSD_S_C_SYMW:
if (old_flags & GSY_S_M_DEF) /* Symbol definition. */
name_offset = 10;
else
name_offset = 5;
value_offset = 6;
break;
default:
break;
} /* end "switch (gsd_type)" */
/* Save symbol in vms_symbol_table: */
entry
= _bfd_vms_enter_symbol(abfd,
_bfd_vms_save_counted_string(vms_rec + name_offset));
if (entry == NULL)
{
bfd_set_error (bfd_error_no_memory);
return -1;
}
symbol = entry->symbol;
if (old_flags & GSY_S_M_DEF)
{
/* Symbol definition. */
int psect;
symbol->value = bfd_getl32 (vms_rec + value_offset);
if ((gsd_type == GSD_S_C_SYMW)
|| (gsd_type == GSD_S_C_EPMW))
psect = bfd_getl16 (vms_rec + value_offset - 2);
else
psect = vms_rec[value_offset-1];
symbol->section = (asection *) (size_t) psect;
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd sym def #%d (%s, %d [%p], %04x=%s)\n", abfd->symcount,
symbol->name, (int)symbol->section, symbol->section, old_flags, flag2str (gsyflagdesc, old_flags));
#endif
}
else
{
/* Symbol reference. */
symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd sym ref #%d (%s, %s [%p], %04x=%s)\n",
abfd->symcount, symbol->name, symbol->section->name,
symbol->section, old_flags, flag2str (gsyflagdesc, old_flags));
#endif
}
gsd_size = vms_rec[name_offset] + name_offset + 1;
symbol->flags = new_flags;
}
break;
case GSD_S_C_PRO:
case GSD_S_C_PROW:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd pro\n");
#endif
break;
case GSD_S_C_IDC:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd idc\n");
#endif
break;
case GSD_S_C_ENV:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd env\n");
#endif
break;
case GSD_S_C_LSY:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd lsy\n");
#endif
break;
case GSD_S_C_LEPM:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd lepm\n");
#endif
break;
case GSD_S_C_LPRO:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd lpro\n");
#endif
break;
case GSD_S_C_SPSC:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd spsc\n");
#endif
break;
case GSD_S_C_SYMV:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd symv\n");
#endif
break;
case GSD_S_C_EPMV:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd epmv\n");
#endif
break;
case GSD_S_C_PROV:
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "gsd prov\n");
#endif
break;
case EGSD_S_C_PSC + EVAX_OFFSET:
{
/* Program section definition. */
name = _bfd_vms_save_counted_string (vms_rec + 12);
section = bfd_make_section (abfd, name);
if (!section)
return -1;
old_flags = bfd_getl16 (vms_rec + 6);
section->size = bfd_getl32 (vms_rec + 8); /* Allocation. */
new_flags = vms_secflag_by_name (abfd, evax_section_flags, name,
section->size > 0);
if (old_flags & EGPS_S_V_REL)
new_flags |= SEC_RELOC;
if (!bfd_set_section_flags (abfd, section, new_flags))
return -1;
section->alignment_power = vms_rec[4];
align_addr = (1 << section->alignment_power);
if ((base_addr % align_addr) != 0)
base_addr += (align_addr - (base_addr % align_addr));
section->vma = (bfd_vma)base_addr;
base_addr += section->size;
section->contents = (unsigned char *)bfd_zmalloc(section->size);
if (section->contents == NULL)
return -1;
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "egsd psc %d (%s, flags %04x=%s) ",
section->index, name, old_flags, flag2str (gpsflagdesc, old_flags));
vms_debug (4, "%d bytes at 0x%08lx (mem %p)\n",
section->size, section->vma, section->contents);
#endif
}
break;
case EGSD_S_C_SYM + EVAX_OFFSET:
{
/* Symbol specification (definition or reference). */
symbol = bfd_make_empty_symbol (abfd);
if (symbol == 0)
return -1;
old_flags = bfd_getl16 (vms_rec + 6);
new_flags = BSF_NO_FLAGS;
if (old_flags & EGSY_S_V_WEAK)
new_flags |= BSF_WEAK;
if (vms_rec[6] & EGSY_S_V_DEF)
{
/* Symbol definition. */
symbol->name = _bfd_vms_save_counted_string (vms_rec + 32);
if (old_flags & EGSY_S_V_NORM)
/* Proc def. */
new_flags |= BSF_FUNCTION;
symbol->value = bfd_getl64 (vms_rec + 8);
symbol->section = (asection *) ((unsigned long) bfd_getl32 (vms_rec + 28));
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "egsd sym def #%d (%s, %d, %04x=%s)\n", abfd->symcount,
symbol->name, (int) symbol->section, old_flags,
flag2str (gsyflagdesc, old_flags));
#endif
}
else
{
/* Symbol reference. */
symbol->name = _bfd_vms_save_counted_string (vms_rec + 8);
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug (4, "egsd sym ref #%d (%s, %04x=%s)\n", abfd->symcount,
symbol->name, old_flags, flag2str (gsyflagdesc, old_flags));
#endif
symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
}
symbol->flags = new_flags;
/* Save symbol in vms_symbol_table: */
entry = (vms_symbol_entry *)bfd_hash_lookup(PRIV(vms_symbol_table),
symbol->name,
TRUE, FALSE);
if (entry == NULL)
{
bfd_set_error(bfd_error_no_memory);
return -1;
}
if (entry->symbol != NULL)
{
/* FIXME ?, DEC C generates this. */
#if defined(VMS_DEBUG) && VMS_DEBUG
vms_debug(4, "EGSD_S_C_SYM: duplicate \"%s\"\n", symbol->name);
#endif /* VMS_DEBUG */
}
else
{
entry->symbol = symbol;
PRIV(gsd_sym_count)++;
abfd->symcount++;
}
}
break;
case EGSD_S_C_IDC + EVAX_OFFSET:
break;
default:
(*_bfd_error_handler)(_("unknown gsd/egsd subtype %d"), gsd_type);
bfd_set_error(bfd_error_bad_value);
return -1;
}
PRIV(rec_size) -= gsd_size;
PRIV(vms_rec) += gsd_size;
}
if (abfd->symcount > 0)
abfd->flags |= HAS_SYMS;
return 0;
}
