/* Support for the generic parts of most COFF variants, for BFD.
- Copyright (C) 1990-2019 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
#ifndef COFF_WITH_PE
static bfd_boolean
-styp_to_sec_flags (bfd *abfd ATTRIBUTE_UNUSED,
+styp_to_sec_flags (bfd *abfd,
void * hdr,
const char *name,
asection *section ATTRIBUTE_UNUSED,
sec_flags = (SEC_LOAD | SEC_ALLOC);
#endif /* STYP_SDATA */
+ if ((bfd_applicable_section_flags (abfd) & SEC_SMALL_DATA) != 0
+ && (CONST_STRNEQ (name, ".sbss")
+ || CONST_STRNEQ (name, ".sdata")))
+ sec_flags |= SEC_SMALL_DATA;
+
#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
/* As a GNU extension, if the name begins with .gnu.linkonce, we
only link a single copy of the section. This is used to support
drop through from the above). */
{
char *newname;
- bfd_size_type amt;
+ size_t amt;
/* This must the second symbol with the
section #. It is the actual symbol name.
}
}
+ if ((bfd_applicable_section_flags (abfd) & SEC_SMALL_DATA) != 0
+ && (CONST_STRNEQ (name, ".sbss")
+ || CONST_STRNEQ (name, ".sdata")))
+ sec_flags |= SEC_SMALL_DATA;
+
#if defined (COFF_LONG_SECTION_NAMES) && defined (COFF_SUPPORT_GNU_LINKONCE)
/* As a GNU extension, if the name begins with .gnu.linkonce, we
only link a single copy of the section. This is used to support
coff_new_section_hook (bfd * abfd, asection * section)
{
combined_entry_type *native;
- bfd_size_type amt;
+ size_t amt;
unsigned char sclass = C_STAT;
section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
void * scnhdr)
{
struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
- bfd_size_type amt;
+ size_t amt;
unsigned int alignment_power_const
= hdr->s_flags & IMAGE_SCN_ALIGN_POWER_BIT_MASK;
coff_mkobject (bfd * abfd)
{
coff_data_type *coff;
- bfd_size_type amt = sizeof (coff_data_type);
+ size_t amt = sizeof (coff_data_type);
abfd->tdata.coff_obj_data = bfd_zalloc (abfd, amt);
if (abfd->tdata.coff_obj_data == NULL)
arch = bfd_arch_z80;
switch (internal_f->f_flags & F_MACHMASK)
{
- case 0:
case bfd_mach_z80strict << 12:
case bfd_mach_z80 << 12:
+ case bfd_mach_z80n << 12:
case bfd_mach_z80full << 12:
case bfd_mach_r800 << 12:
+ case bfd_mach_gbz80 << 12:
+ case bfd_mach_z180 << 12:
+ case bfd_mach_ez80_z80 << 12:
+ case bfd_mach_ez80_adl << 12:
machine = ((unsigned)internal_f->f_flags & F_MACHMASK) >> 12;
break;
default:
struct internal_syment sym;
bfd_size_type amt = bfd_coff_symesz (abfd);
- buf = bfd_malloc (amt);
+ if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0)
+ return FALSE;
+ buf = _bfd_malloc_and_read (abfd, amt, amt);
if (buf == NULL)
return FALSE;
- if (bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET) != 0
- || bfd_bread (buf, amt, abfd) != amt)
- {
- free (buf);
- return FALSE;
- }
bfd_coff_swap_sym_in (abfd, buf, & sym);
if (sym.n_sclass == C_FILE)
cputype = sym.n_type & 0xff;
*magicp = Z80MAGIC;
switch (bfd_get_mach (abfd))
{
- case 0:
case bfd_mach_z80strict:
case bfd_mach_z80:
+ case bfd_mach_z80n:
case bfd_mach_z80full:
case bfd_mach_r800:
+ case bfd_mach_gbz80:
+ case bfd_mach_z180:
+ case bfd_mach_ez80_z80:
+ case bfd_mach_ez80_adl:
*flagsp = bfd_get_mach (abfd) << 12;
break;
default:
page size too, and remember both sizes. */
if (coff_section_data (abfd, current) == NULL)
{
- bfd_size_type amt = sizeof (struct coff_section_tdata);
+ size_t amt = sizeof (struct coff_section_tdata);
current->used_by_bfd = bfd_zalloc (abfd, amt);
if (current->used_by_bfd == NULL)
}
if (pei_section_data (abfd, current) == NULL)
{
- bfd_size_type amt = sizeof (struct pei_section_tdata);
+ size_t amt = sizeof (struct pei_section_tdata);
coff_section_data (abfd, current)->tdata = bfd_zalloc (abfd, amt);
if (coff_section_data (abfd, current)->tdata == NULL)
buy_and_read (bfd *abfd, file_ptr where,
bfd_size_type nmemb, bfd_size_type size)
{
- void *area = bfd_alloc2 (abfd, nmemb, size);
+ size_t amt;
- if (!area)
- return NULL;
- size *= nmemb;
- if (bfd_seek (abfd, where, SEEK_SET) != 0
- || bfd_bread (area, size, abfd) != size)
+ if (_bfd_mul_overflow (nmemb, size, &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return NULL;
+ }
+ if (bfd_seek (abfd, where, SEEK_SET) != 0)
return NULL;
- return area;
+ return _bfd_alloc_and_read (abfd, amt, amt);
}
/*
LINENO *src;
bfd_boolean have_func;
bfd_boolean ret = TRUE;
+ size_t amt;
if (asect->lineno_count == 0)
return TRUE;
return FALSE;
}
- lineno_cache = (alent *) bfd_alloc2 (abfd,
- (bfd_size_type) asect->lineno_count + 1,
- sizeof (alent));
+ if (_bfd_mul_overflow (asect->lineno_count + 1, sizeof (alent), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return FALSE;
+ }
+ lineno_cache = (alent *) bfd_alloc (abfd, amt);
if (lineno_cache == NULL)
return FALSE;
alent *n_lineno_cache;
/* Create a table of functions. */
- func_table = (alent **) bfd_alloc2 (abfd, nbr_func, sizeof (alent *));
- if (func_table != NULL)
+ if (_bfd_mul_overflow (nbr_func, sizeof (alent *), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ ret = FALSE;
+ }
+ else if ((func_table = (alent **) bfd_alloc (abfd, amt)) != NULL)
{
alent **p = func_table;
unsigned int i;
qsort (func_table, nbr_func, sizeof (alent *), coff_sort_func_alent);
/* Create the new sorted table. */
- n_lineno_cache = (alent *) bfd_alloc2 (abfd, asect->lineno_count,
- sizeof (alent));
- if (n_lineno_cache != NULL)
+ if (_bfd_mul_overflow (asect->lineno_count, sizeof (alent), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ ret = FALSE;
+ }
+ else if ((n_lineno_cache = (alent *) bfd_alloc (abfd, amt)) != NULL)
{
alent *n_cache_ptr = n_lineno_cache;
unsigned int *table_ptr;
unsigned int number_of_symbols = 0;
bfd_boolean ret = TRUE;
+ size_t amt;
if (obj_symbols (abfd))
return TRUE;
return FALSE;
/* Allocate enough room for all the symbols in cached form. */
- cached_area = (coff_symbol_type *) bfd_alloc2 (abfd,
- obj_raw_syment_count (abfd),
- sizeof (coff_symbol_type));
+ if (_bfd_mul_overflow (obj_raw_syment_count (abfd),
+ sizeof (*cached_area), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return FALSE;
+ }
+ cached_area = (coff_symbol_type *) bfd_alloc (abfd, amt);
if (cached_area == NULL)
return FALSE;
- table_ptr = (unsigned int *) bfd_zalloc2 (abfd, obj_raw_syment_count (abfd),
- sizeof (unsigned int));
-
+ if (_bfd_mul_overflow (obj_raw_syment_count (abfd),
+ sizeof (*table_ptr), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return FALSE;
+ }
+ table_ptr = (unsigned int *) bfd_zalloc (abfd, amt);
if (table_ptr == NULL)
return FALSE;
else
arelent *reloc_cache;
arelent *cache_ptr;
unsigned int idx;
+ size_t amt;
if (asect->relocation)
return TRUE;
native_relocs = (RELOC *) buy_and_read (abfd, asect->rel_filepos,
asect->reloc_count,
bfd_coff_relsz (abfd));
- reloc_cache = (arelent *) bfd_alloc2 (abfd, asect->reloc_count,
- sizeof (arelent));
-
+ if (_bfd_mul_overflow (asect->reloc_count, sizeof (arelent), &amt))
+ {
+ bfd_set_error (bfd_error_file_too_big);
+ return FALSE;
+ }
+ reloc_cache = (arelent *) bfd_alloc (abfd, amt);
if (reloc_cache == NULL || native_relocs == NULL)
return FALSE;