/* vms.c -- BFD back-end for EVAX (openVMS/Alpha) files.
- Copyright (C) 1996-2018 Free Software Foundation, Inc.
+ Copyright (C) 1996-2020 Free Software Foundation, Inc.
Initial version written by Klaus Kaempf (kkaempf@rmi.de)
Major rewrite by Adacore.
asection *section;
flagword bfd_flags;
- /* PR 17512: file: 3d9e9fe9.
- 12 is the offset of the eisdsize field from the start of the record (8)
- plus the size of the eisdsize field (4). */
- if (offset >= PRIV (recrd.rec_size) - 12)
+ /* PR 17512: file: 3d9e9fe9. */
+ if (offset > PRIV (recrd.rec_size)
+ || (PRIV (recrd.rec_size) - offset
+ < offsetof (struct vms_eisd, eisdsize) + 4))
return FALSE;
- eisd = (struct vms_eisd *)(PRIV (recrd.rec) + offset);
+ eisd = (struct vms_eisd *) (PRIV (recrd.rec) + offset);
rec_size = bfd_getl32 (eisd->eisdsize);
if (rec_size == 0)
break;
}
/* Make sure that there is enough data present in the record. */
- /* FIXME: Should we use sizeof (struct vms_eisd) rather than just 32 here ? */
- if (rec_size < 32)
+ if (rec_size < offsetof (struct vms_eisd, type) + 1)
return FALSE;
/* Make sure that the record is not too big either. */
- if (offset + rec_size >= PRIV (recrd.rec_size))
+ if (rec_size > PRIV (recrd.rec_size) - offset)
return FALSE;
offset += rec_size;
if (flags & EISD__M_GBL)
{
- if (rec_size < offsetof (struct vms_eisd, gblnam))
+ if (rec_size <= offsetof (struct vms_eisd, gblnam))
return FALSE;
else if (rec_size < sizeof (struct vms_eisd))
- name = _bfd_vms_save_counted_string (eisd->gblnam,
+ name = _bfd_vms_save_counted_string (abfd, eisd->gblnam,
rec_size - offsetof (struct vms_eisd, gblnam));
else
- name = _bfd_vms_save_counted_string (eisd->gblnam, EISD__K_GBLNAMLEN);
+ name = _bfd_vms_save_counted_string (abfd, eisd->gblnam,
+ EISD__K_GBLNAMLEN);
+ if (name == NULL || name[0] == 0)
+ return FALSE;
bfd_flags |= SEC_COFF_SHARED_LIBRARY;
bfd_flags &= ~(SEC_ALLOC | SEC_LOAD);
}
{
const char *pfx;
- name = (char*) bfd_alloc (abfd, 32);
+ name = (char *) bfd_alloc (abfd, 32);
+ if (name == NULL)
+ return FALSE;
if (flags & EISD__M_DZRO)
pfx = "BSS";
else if (flags & EISD__M_EXE)
section->size = size;
section->vma = vaddr;
- if (!bfd_set_section_flags (abfd, section, bfd_flags))
+ if (!bfd_set_section_flags (section, bfd_flags))
return FALSE;
}
section->size = dstsize;
section->filepos = VMS_BLOCK_SIZE * (dstvbn - 1);
- if (!bfd_set_section_flags (abfd, section, bfd_flags))
+ if (!bfd_set_section_flags (section, bfd_flags))
return FALSE;
PRIV (dst_section) = section;
section->size = dmtbytes;
section->filepos = VMS_BLOCK_SIZE * (dmtvbn - 1);
- if (!bfd_set_section_flags (abfd, section, bfd_flags))
+ if (!bfd_set_section_flags (section, bfd_flags))
return FALSE;
}
PRIV (hdr_data).hdr_l_recsiz = bfd_getl32 (vms_rec + 16);
if ((vms_rec + 20 + vms_rec[20] + 1) >= end)
goto fail;
- PRIV (hdr_data).hdr_t_name = _bfd_vms_save_counted_string (vms_rec + 20, vms_rec[20]);
+ PRIV (hdr_data).hdr_t_name
+ = _bfd_vms_save_counted_string (abfd, vms_rec + 20, vms_rec[20]);
ptr = vms_rec + 20 + vms_rec[20] + 1;
if ((ptr + *ptr + 1) >= end)
goto fail;
- PRIV (hdr_data).hdr_t_version =_bfd_vms_save_counted_string (ptr, *ptr);
+ PRIV (hdr_data).hdr_t_version
+ = _bfd_vms_save_counted_string (abfd, ptr, *ptr);
ptr += *ptr + 1;
if (ptr + 17 >= end)
goto fail;
- PRIV (hdr_data).hdr_t_date = _bfd_vms_save_sized_string (ptr, 17);
+ PRIV (hdr_data).hdr_t_date
+ = _bfd_vms_save_sized_string (abfd, ptr, 17);
break;
case EMH__C_LNM:
if (vms_rec + PRIV (recrd.rec_size - 6) > end)
goto fail;
- PRIV (hdr_data).hdr_c_lnm =
- _bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
+ PRIV (hdr_data).hdr_c_lnm
+ = _bfd_vms_save_sized_string (abfd, vms_rec, PRIV (recrd.rec_size - 6));
break;
case EMH__C_SRC:
if (vms_rec + PRIV (recrd.rec_size - 6) > end)
goto fail;
- PRIV (hdr_data).hdr_c_src =
- _bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
+ PRIV (hdr_data).hdr_c_src
+ = _bfd_vms_save_sized_string (abfd, vms_rec, PRIV (recrd.rec_size - 6));
break;
case EMH__C_TTL:
if (vms_rec + PRIV (recrd.rec_size - 6) > end)
goto fail;
- PRIV (hdr_data).hdr_c_ttl =
- _bfd_vms_save_sized_string (vms_rec, PRIV (recrd.rec_size - 6));
+ PRIV (hdr_data).hdr_c_ttl
+ = _bfd_vms_save_sized_string (abfd, vms_rec, PRIV (recrd.rec_size - 6));
break;
case EMH__C_CPR:
Return NULL in case of error. */
static struct vms_symbol_entry *
-add_symbol (bfd *abfd, const unsigned char *ascic)
+add_symbol (bfd *abfd, const unsigned char *ascic, unsigned int max)
{
struct vms_symbol_entry *entry;
- int len;
+ unsigned int len;
len = *ascic++;
+ max -= 1;
+ if (len > max)
+ {
+ _bfd_error_handler (_("record is too small for symbol name length"));
+ bfd_set_error (bfd_error_bad_value);
+ return NULL;
+ }
+
entry = (struct vms_symbol_entry *)bfd_zalloc (abfd, sizeof (*entry) + len);
if (entry == NULL)
return NULL;
int gsd_type;
unsigned int gsd_size;
unsigned char *vms_rec;
- unsigned long base_addr;
+ bfd_vma base_addr;
+ long psindx;
vms_debug2 ((2, "EGSD\n"));
PRIV (recrd.rec_size) -= 8;
/* Calculate base address for each section. */
- base_addr = 0L;
+ base_addr = 0;
while (PRIV (recrd.rec_size) > 4)
{
/* PR 21615: Check for size overflow. */
if (PRIV (recrd.rec_size) < gsd_size)
{
- _bfd_error_handler (_("corrupt EGSD record: size (%#x) is larger than remaining space (%#x)"),
- gsd_size, PRIV (recrd.rec_size));
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
-
- if (gsd_size < 4)
- {
- _bfd_error_handler (_("corrupt EGSD record: size (%#x) is too small"),
- gsd_size);
+ _bfd_error_handler (_("corrupt EGSD record type %d: size (%#x) "
+ "is larger than remaining space (%#x)"),
+ gsd_type, gsd_size, PRIV (recrd.rec_size));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
case EGSD__C_PSC:
/* Program section definition. */
{
- struct vms_egps *egps = (struct vms_egps *)vms_rec;
+ struct vms_egps *egps = (struct vms_egps *) vms_rec;
flagword new_flags, vms_flags;
asection *section;
+ if (offsetof (struct vms_egps, flags) + 2 > gsd_size)
+ {
+ too_small:
+ _bfd_error_handler (_("corrupt EGSD record type %d: size (%#x) "
+ "is too small"),
+ gsd_type, gsd_size);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
vms_flags = bfd_getl16 (egps->flags);
if ((vms_flags & EGPS__V_REL) == 0)
else
{
char *name;
- unsigned long align_addr;
-
- name = _bfd_vms_save_counted_string (&egps->namlng, gsd_size - 4);
+ bfd_vma align_addr;
+ size_t left;
+
+ if (offsetof (struct vms_egps, namlng) >= gsd_size)
+ goto too_small;
+ left = gsd_size - offsetof (struct vms_egps, namlng);
+ name = _bfd_vms_save_counted_string (abfd, &egps->namlng, left);
+ if (name == NULL || name[0] == 0)
+ return FALSE;
section = bfd_make_section (abfd, name);
if (!section)
section->filepos = 0;
section->size = bfd_getl32 (egps->alloc);
- section->alignment_power = egps->align;
+ section->alignment_power = egps->align & 31;
vms_section_data (section)->flags = vms_flags;
vms_section_data (section)->no_flags = 0;
- new_flags = vms_secflag_by_name (evax_section_flags, name,
+ new_flags = vms_secflag_by_name (evax_section_flags,
+ section->name,
section->size > 0);
if (section->size > 0)
new_flags |= SEC_LOAD;
new_flags |= SEC_CODE;
new_flags &= ~SEC_DATA;
}
- if (!bfd_set_section_flags (abfd, section, new_flags))
+ if (!bfd_set_section_flags (section, new_flags))
return FALSE;
/* Give a non-overlapping vma to non absolute sections. */
- 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;
+ align_addr = (bfd_vma) 1 << section->alignment_power;
+ base_addr = (base_addr + align_addr - 1) & -align_addr;
+ section->vma = base_addr;
base_addr += section->size;
}
case EGSD__C_SYM:
{
- int nameoff;
+ unsigned int nameoff;
struct vms_symbol_entry *entry;
struct vms_egsy *egsy = (struct vms_egsy *) vms_rec;
flagword old_flags;
+ if (offsetof (struct vms_egsy, flags) + 2 > gsd_size)
+ goto too_small;
old_flags = bfd_getl16 (egsy->flags);
if (old_flags & EGSY__V_DEF)
nameoff = ESDF__B_NAMLNG;
else
nameoff = ESRF__B_NAMLNG;
- entry = add_symbol (abfd, vms_rec + nameoff);
+ if (nameoff >= gsd_size)
+ goto too_small;
+ entry = add_symbol (abfd, vms_rec + nameoff, gsd_size - nameoff);
if (entry == NULL)
return FALSE;
if (old_flags & EGSY__V_DEF)
{
- struct vms_esdf *esdf = (struct vms_esdf *)vms_rec;
- long psindx;
+ struct vms_esdf *esdf = (struct vms_esdf *) vms_rec;
entry->value = bfd_getl64 (esdf->value);
if (PRIV (sections) == NULL)
/* PR 21813: Check for an out of range index. */
if (psindx < 0 || psindx >= (int) PRIV (section_count))
{
- _bfd_error_handler (_("corrupt EGSD record: its psindx field is too big (%#lx)"),
+ bad_psindx:
+ _bfd_error_handler (_("corrupt EGSD record: its psindx "
+ "field is too big (%#lx)"),
psindx);
bfd_set_error (bfd_error_bad_value);
return FALSE;
entry->code_value = bfd_getl64 (esdf->code_address);
psindx = bfd_getl32 (esdf->ca_psindx);
- /* PR 21813: Check for an out of range index. */
+ /* PR 21813: Check for an out of range index. */
if (psindx < 0 || psindx >= (int) PRIV (section_count))
- {
- _bfd_error_handler (_("corrupt EGSD record: its psindx field is too big (%#lx)"),
- psindx);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
+ goto bad_psindx;
entry->code_section = PRIV (sections)[psindx];
}
}
struct vms_symbol_entry *entry;
struct vms_egst *egst = (struct vms_egst *)vms_rec;
flagword old_flags;
+ unsigned int nameoff = offsetof (struct vms_egst, namlng);
old_flags = bfd_getl16 (egst->header.flags);
- entry = add_symbol (abfd, &egst->namlng);
-
+ if (nameoff >= gsd_size)
+ goto too_small;
+ entry = add_symbol (abfd, &egst->namlng, gsd_size - nameoff);
if (entry == NULL)
return FALSE;
if (old_flags & EGSY__V_REL)
{
- long psindx;
-
if (PRIV (sections) == NULL)
return FALSE;
psindx = bfd_getl32 (egst->psindx);
/* PR 21813: Check for an out of range index. */
if (psindx < 0 || psindx >= (int) PRIV (section_count))
- {
- _bfd_error_handler (_("corrupt EGSD record: its psindx field is too big (%#lx)"),
- psindx);
- bfd_set_error (bfd_error_bad_value);
- return FALSE;
- }
+ goto bad_psindx;
entry->section = PRIV (sections)[psindx];
}
else
/* Push value and section index. */
-static void
+static bfd_boolean
_bfd_vms_push (bfd *abfd, bfd_vma val, unsigned int reloc)
{
vms_debug2 ((4, "<push %08lx (0x%08x) at %d>\n",
{
bfd_set_error (bfd_error_bad_value);
_bfd_error_handler (_("stack overflow (%d) in _bfd_vms_push"), PRIV (stackptr));
- exit (1);
+ return FALSE;
}
+ return TRUE;
}
/* Pop value and section index. */
-static void
+static bfd_boolean
_bfd_vms_pop (bfd *abfd, bfd_vma *val, unsigned int *rel)
{
if (PRIV (stackptr) == 0)
{
bfd_set_error (bfd_error_bad_value);
_bfd_error_handler (_("stack underflow in _bfd_vms_pop"));
- exit (1);
+ return FALSE;
}
PRIV (stackptr)--;
*val = PRIV (stack[PRIV (stackptr)]).value;
*rel = PRIV (stack[PRIV (stackptr)]).reloc;
vms_debug2 ((4, "<pop %08lx (0x%08x)>\n", (unsigned long)*val, *rel));
+ return TRUE;
}
/* Routines to fill sections contents during tir/etir read. */
while (ptr < maxptr)
{
- int cmd = bfd_getl16 (ptr);
- int cmd_length = bfd_getl16 (ptr + 2);
+ int cmd, cmd_length;
- ptr += 4;
+ if (ptr + 4 > maxptr)
+ goto corrupt_etir;
+
+ cmd = bfd_getl16 (ptr);
+ cmd_length = bfd_getl16 (ptr + 2);
/* PR 21589 and 21579: Check for a corrupt ETIR record. */
- if (cmd_length < 4 || (ptr + cmd_length > maxptr + 4))
+ if (cmd_length < 4 || ptr + cmd_length > maxptr)
{
corrupt_etir:
_bfd_error_handler (_("corrupt ETIR record encountered"));
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
+ ptr += 4;
#if VMS_DEBUG
_bfd_vms_debug (4, "etir: %s(%d)\n",
stack 32 bit value of symbol (high bits set to 0). */
case ETIR__C_STA_GBL:
_bfd_vms_get_value (abfd, ptr, maxptr, info, &op1, &h);
- _bfd_vms_push (abfd, op1, alpha_vms_sym_to_ctxt (h));
+ if (!_bfd_vms_push (abfd, op1, alpha_vms_sym_to_ctxt (h)))
+ return FALSE;
break;
/* Stack longword
stack 32 bit value, sign extend to 64 bit. */
case ETIR__C_STA_LW:
- if (ptr + 4 >= maxptr)
+ if (ptr + 4 > maxptr)
goto corrupt_etir;
- _bfd_vms_push (abfd, bfd_getl32 (ptr), RELC_NONE);
+ if (!_bfd_vms_push (abfd, bfd_getl32 (ptr), RELC_NONE))
+ return FALSE;
break;
/* Stack quadword
stack 64 bit value of symbol. */
case ETIR__C_STA_QW:
- if (ptr + 8 >= maxptr)
+ if (ptr + 8 > maxptr)
goto corrupt_etir;
- _bfd_vms_push (abfd, bfd_getl64 (ptr), RELC_NONE);
+ if (!_bfd_vms_push (abfd, bfd_getl64 (ptr), RELC_NONE))
+ return FALSE;
break;
/* Stack psect base plus quadword offset
{
int psect;
- if (ptr + 12 >= maxptr)
+ if (ptr + 12 > maxptr)
goto corrupt_etir;
psect = bfd_getl32 (ptr);
if ((unsigned int) psect >= PRIV (section_count))
return FALSE;
}
op1 = bfd_getl64 (ptr + 4);
- _bfd_vms_push (abfd, op1, psect | RELC_SEC_BASE);
+ if (!_bfd_vms_push (abfd, op1, psect | RELC_SEC_BASE))
+ return FALSE;
}
break;
/* Store byte: pop stack, write byte
arg: -. */
case ETIR__C_STO_B:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
image_write_b (abfd, (unsigned int) op1 & 0xff);
/* Store word: pop stack, write word
arg: -. */
case ETIR__C_STO_W:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
image_write_w (abfd, (unsigned int) op1 & 0xffff);
/* Store longword: pop stack, write longword
arg: -. */
case ETIR__C_STO_LW:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 & RELC_SEC_BASE)
{
op1 = alpha_vms_fix_sec_rel (abfd, info, rel1, op1);
/* Store quadword: pop stack, write quadword
arg: -. */
case ETIR__C_STO_QW:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 & RELC_SEC_BASE)
{
op1 = alpha_vms_fix_sec_rel (abfd, info, rel1, op1);
{
int size;
- if (ptr + 4 >= maxptr)
+ if (ptr + 4 > maxptr)
goto corrupt_etir;
size = bfd_getl32 (ptr);
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
while (op1-- > 0)
/* Store offset to psect: pop stack, add low 32 bits to base of psect
arg: none. */
case ETIR__C_STO_OFF:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (!(rel1 & RELC_SEC_BASE))
abort ();
{
unsigned int size;
- if (ptr + 4 >= maxptr)
+ if (ptr + 4 > maxptr)
goto corrupt_etir;
size = bfd_getl32 (ptr);
image_write (abfd, ptr + 4, size);
/* Det relocation base: pop stack, set image location counter
arg: none. */
case ETIR__C_CTL_SETRB:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (!(rel1 & RELC_SEC_BASE))
abort ();
image_set_ptr (abfd, op1, rel1 & RELC_MASK, info);
/* Augment relocation base: increment image location counter by offset
arg: lw offset value. */
case ETIR__C_CTL_AUGRB:
- if (ptr + 4 >= maxptr)
+ if (ptr + 4 > maxptr)
goto corrupt_etir;
op1 = bfd_getl32 (ptr);
image_inc_ptr (abfd, op1);
/* Define location: pop index, save location counter under index
arg: none. */
case ETIR__C_CTL_DFLOC:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
dst_define_location (abfd, op1);
/* Set location: pop index, restore location counter from index
arg: none. */
case ETIR__C_CTL_STLOC:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
dst_restore_location (abfd, op1);
/* Stack defined location: pop index, push location counter from index
arg: none. */
case ETIR__C_CTL_STKDL:
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, dst_retrieve_location (abfd, op1), RELC_NONE);
+ if (!_bfd_vms_push (abfd, dst_retrieve_location (abfd, op1),
+ RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_NOP: /* No-op. */
break;
case ETIR__C_OPR_ADD: /* Add. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 == RELC_NONE && rel2 != RELC_NONE)
rel1 = rel2;
else if (rel1 != RELC_NONE && rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op1 + op2, rel1);
+ if (!_bfd_vms_push (abfd, op1 + op2, rel1))
+ return FALSE;
break;
case ETIR__C_OPR_SUB: /* Subtract. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 == RELC_NONE && rel2 != RELC_NONE)
rel1 = rel2;
else if ((rel1 & RELC_SEC_BASE) && (rel2 & RELC_SEC_BASE))
}
else if (rel1 != RELC_NONE && rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op2 - op1, rel1);
+ if (!_bfd_vms_push (abfd, op2 - op1, rel1))
+ return FALSE;
break;
case ETIR__C_OPR_MUL: /* Multiply. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op1 * op2, RELC_NONE);
+ if (!_bfd_vms_push (abfd, op1 * op2, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_DIV: /* Divide. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
goto bad_context;
if (op2 == 0)
- _bfd_vms_push (abfd, 0, RELC_NONE);
+ {
+ if (!_bfd_vms_push (abfd, 0, RELC_NONE))
+ return FALSE;
+ }
else
- _bfd_vms_push (abfd, op2 / op1, RELC_NONE);
+ {
+ if (!_bfd_vms_push (abfd, op2 / op1, RELC_NONE))
+ return FALSE;
+ }
break;
case ETIR__C_OPR_AND: /* Logical AND. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op1 & op2, RELC_NONE);
+ if (!_bfd_vms_push (abfd, op1 & op2, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_IOR: /* Logical inclusive OR. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op1 | op2, RELC_NONE);
+ if (!_bfd_vms_push (abfd, op1 | op2, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_EOR: /* Logical exclusive OR. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, op1 ^ op2, RELC_NONE);
+ if (!_bfd_vms_push (abfd, op1 ^ op2, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_NEG: /* Negate. */
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, -op1, RELC_NONE);
+ if (!_bfd_vms_push (abfd, -op1, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_COM: /* Complement. */
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (rel1 != RELC_NONE)
goto bad_context;
- _bfd_vms_push (abfd, ~op1, RELC_NONE);
+ if (!_bfd_vms_push (abfd, ~op1, RELC_NONE))
+ return FALSE;
break;
case ETIR__C_OPR_ASH: /* Arithmetic shift. */
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
if (rel1 != RELC_NONE || rel2 != RELC_NONE)
{
bad_context:
op1 >>= -(int)op2;
else /* Shift left. */
op1 <<= (int)op2;
- _bfd_vms_push (abfd, op1, RELC_NONE); /* FIXME: sym. */
+ if (!_bfd_vms_push (abfd, op1, RELC_NONE)) /* FIXME: sym. */
+ return FALSE;
break;
case ETIR__C_OPR_INSV: /* Insert field. */
break;
case ETIR__C_OPR_SEL: /* Select. */
- _bfd_vms_pop (abfd, &op1, &rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
if (op1 & 0x01L)
- _bfd_vms_pop (abfd, &op1, &rel1);
+ {
+ if (!_bfd_vms_pop (abfd, &op1, &rel1))
+ return FALSE;
+ }
else
{
- _bfd_vms_pop (abfd, &op1, &rel1);
- _bfd_vms_pop (abfd, &op2, &rel2);
- _bfd_vms_push (abfd, op1, rel1);
+ if (!_bfd_vms_pop (abfd, &op1, &rel1)
+ || !_bfd_vms_pop (abfd, &op2, &rel2))
+ return FALSE;
+ if (!_bfd_vms_push (abfd, op1, rel1))
+ return FALSE;
}
break;
section = bfd_make_section (abfd, "$DST$");
if (!section)
return FALSE;
- if (!bfd_set_section_flags (abfd, section, flags))
+ if (!bfd_set_section_flags (section, flags))
return FALSE;
PRIV (dst_section) = section;
}
return FALSE;
}
+/* Free malloc'd memory. */
+
+static void
+alpha_vms_free_private (bfd *abfd)
+{
+ struct module *module;
+
+ free (PRIV (recrd.buf));
+ free (PRIV (sections));
+ free (PRIV (syms));
+ free (PRIV (dst_ptr_offsets));
+
+ for (module = PRIV (modules); module; module = module->next)
+ free (module->file_table);
+}
+
/* Check the format for a file being read.
Return a (bfd_target *) if it's an object file or zero if not. */
/* Allocate alpha-vms specific data. */
if (!vms_initialize (abfd))
- goto error_ret;
+ {
+ abfd->tdata.any = tdata_save;
+ return NULL;
+ }
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET))
goto err_wrong_format;
bfd_set_error (bfd_error_wrong_format);
error_ret:
- if (PRIV (recrd.buf))
- free (PRIV (recrd.buf));
+ alpha_vms_free_private (abfd);
if (abfd->tdata.any != tdata_save && abfd->tdata.any != NULL)
bfd_release (abfd, abfd->tdata.any);
abfd->tdata.any = tdata_save;
break;
case ALPHA_R_LINKAGE:
+ size = 16;
etir_output_check (abfd, section, curr_addr, 64);
_bfd_vms_output_begin_subrec (recwr, ETIR__C_STC_LP_PSB);
_bfd_vms_output_long
{
/* Output rest of section. */
if (curr_addr > section->size)
- _bfd_error_handler (_("size error in section %pA"), section);
+ {
+ _bfd_error_handler (_("size error in section %pA"), section);
+ return FALSE;
+ }
size = section->size - curr_addr;
sto_imm (abfd, section, size, curr_data, curr_addr);
curr_data += size;
{
case DST__K_MODBEG:
module->name
- = _bfd_vms_save_counted_string (ptr + DST_S_B_MODBEG_NAME,
+ = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_MODBEG_NAME,
maxptr - (ptr + DST_S_B_MODBEG_NAME));
curr_pc = 0;
funcinfo = (struct funcinfo *)
bfd_zalloc (abfd, sizeof (struct funcinfo));
funcinfo->name
- = _bfd_vms_save_counted_string (ptr + DST_S_B_RTNBEG_NAME,
+ = _bfd_vms_save_counted_string (abfd, ptr + DST_S_B_RTNBEG_NAME,
maxptr - (ptr + DST_S_B_RTNBEG_NAME));
funcinfo->low = bfd_getl32 (ptr + DST_S_L_RTNBEG_ADDRESS);
funcinfo->next = module->func_table;
{
unsigned int fileid
= bfd_getl16 (src_ptr + DST_S_W_SRC_DF_FILEID);
- char *filename
- = _bfd_vms_save_counted_string (src_ptr + DST_S_B_SRC_DF_FILENAME,
- (ptr + rec_length) -
- (src_ptr + DST_S_B_SRC_DF_FILENAME)
- );
+ char *filename = _bfd_vms_save_counted_string
+ (abfd,
+ src_ptr + DST_S_B_SRC_DF_FILENAME,
+ ptr + rec_length - (src_ptr + DST_S_B_SRC_DF_FILENAME));
while (fileid >= module->file_table_count)
{
section and build the list of modules. This is sufficient
since we can compute the start address and the end address
of every module from the section contents. */
- bfd_size_type size = bfd_get_section_size (dmt);
+ bfd_size_type size = bfd_section_size (dmt);
unsigned char *ptr, *end;
ptr = (unsigned char *) bfd_alloc (abfd, size);
asection *sec;
struct vms_section_data_struct *vms_sec;
arelent *reloc;
+ bfd_size_type size;
/* Get section to which the relocation applies. */
if (cur_psect < 0 || cur_psect > (int)PRIV (section_count))
reloc->address = cur_address;
reloc->addend = cur_addend;
- vaddr += bfd_get_reloc_size (reloc->howto);
+ if (reloc_code == ALPHA_R_LINKAGE)
+ size = 16;
+ else
+ size = bfd_get_reloc_size (reloc->howto);
+ vaddr += size;
}
cur_addend = 0;
/* Hack. Linkage is done by linker. */
HOWTO (ALPHA_R_LINKAGE, /* Type. */
0, /* Rightshift. */
- 8, /* Size (0 = byte, 1 = short, 2 = long). */
- 256, /* Bitsize. */
+ 0, /* Size (0 = byte, 1 = short, 2 = long). */
+ 0, /* Bitsize. */
FALSE, /* PC relative. */
0, /* Bitpos. */
complain_overflow_dont,/* Complain_on_overflow. */
/* Return a pointer to a howto structure which, when invoked, will perform
the relocation code on data from the architecture noted. */
-static const struct reloc_howto_struct *
+static reloc_howto_type *
alpha_vms_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
bfd_reloc_code_real_type code)
{
fprintf (file, _(" bitmap: 0x%08x (count: %u):\n"), val, count);
for (k = 0; k < 32; k++)
- if (val & (1 << k))
+ if (val & (1u << k))
{
if (n == 0)
fputs (" ", file);
return (struct bfd_hash_entry *) ret;
}
+static void
+alpha_vms_bfd_link_hash_table_free (bfd *abfd)
+{
+ struct alpha_vms_link_hash_table *t;
+ unsigned i;
+
+ t = (struct alpha_vms_link_hash_table *) abfd->link.hash;
+ for (i = 0; i < VEC_COUNT (t->shrlibs); i++)
+ {
+ struct alpha_vms_shlib_el *shlib;
+
+ shlib = &VEC_EL (t->shrlibs, struct alpha_vms_shlib_el, i);
+ free (&VEC_EL (shlib->ca, bfd_vma, 0));
+ free (&VEC_EL (shlib->lp, bfd_vma, 0));
+ free (&VEC_EL (shlib->qr, struct alpha_vms_vma_ref, 0));
+ }
+ free (&VEC_EL (t->shrlibs, struct alpha_vms_shlib_el, 0));
+
+ _bfd_generic_link_hash_table_free (abfd);
+}
+
/* Create an Alpha/VMS link hash table. */
static struct bfd_link_hash_table *
VEC_INIT (ret->shrlibs);
ret->fixup = NULL;
+ ret->root.hash_table_free = alpha_vms_bfd_link_hash_table_free;
return &ret->root;
}
return FALSE;
}
- bfd_get_outsymbols (abfd) = NULL;
- bfd_get_symcount (abfd) = 0;
+ abfd->outsymbols = NULL;
+ abfd->symcount = 0;
/* Mark all sections which will be included in the output file. */
for (o = abfd->sections; o != NULL; o = o->next)
if (abfd == NULL || abfd->tdata.any == NULL)
return TRUE;
- if (abfd->format == bfd_archive)
+ if (abfd->format == bfd_object)
{
- bfd_release (abfd, abfd->tdata.any);
- abfd->tdata.any = NULL;
- return TRUE;
- }
-
- if (PRIV (recrd.buf) != NULL)
- free (PRIV (recrd.buf));
-
- if (PRIV (sections) != NULL)
- free (PRIV (sections));
-
- bfd_release (abfd, abfd->tdata.any);
- abfd->tdata.any = NULL;
+ alpha_vms_free_private (abfd);
#ifdef VMS
- if (abfd->direction == write_direction)
- {
- /* Last step on VMS is to convert the file to variable record length
- format. */
- if (!bfd_cache_close (abfd))
- return FALSE;
- if (!_bfd_vms_convert_to_var_unix_filename (abfd->filename))
- return FALSE;
- }
+ if (abfd->direction == write_direction)
+ {
+ /* Last step on VMS is to convert the file to variable record length
+ format. */
+ if (!bfd_cache_close (abfd))
+ return FALSE;
+ if (!_bfd_vms_convert_to_var_unix_filename (abfd->filename))
+ return FALSE;
+ }
#endif
+ }
- return TRUE;
+ return _bfd_generic_close_and_cleanup (abfd);
}
/* Called when a new section is created. */
vms_debug2 ((1, "vms_new_section_hook (%p, [%u]%s)\n",
abfd, section->index, section->name));
- if (! bfd_set_section_alignment (abfd, section, 0))
+ if (!bfd_set_section_alignment (section, 0))
return FALSE;
vms_debug2 ((7, "%u: %s\n", section->index, section->name));
else if (bfd_is_ind_section (sec))
ret->type = 'I';
else if ((symbol->flags & BSF_FUNCTION)
- || (bfd_get_section_flags (abfd, sec) & SEC_CODE))
+ || (bfd_section_flags (sec) & SEC_CODE))
ret->type = 'T';
- else if (bfd_get_section_flags (abfd, sec) & SEC_DATA)
+ else if (bfd_section_flags (sec) & SEC_DATA)
ret->type = 'D';
- else if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC)
+ else if (bfd_section_flags (sec) & SEC_ALLOC)
ret->type = 'B';
else
ret->type = '?';
#define vms_bfd_copy_link_hash_symbol_type \
_bfd_generic_copy_link_hash_symbol_type
#define vms_bfd_is_group_section bfd_generic_is_group_section
+#define vms_bfd_group_name bfd_generic_group_name
#define vms_bfd_discard_group bfd_generic_discard_group
#define vms_section_already_linked _bfd_generic_section_already_linked
#define vms_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define vms_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
#define vms_bfd_define_start_stop bfd_generic_define_start_stop
#define vms_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
#define alpha_vms_bfd_lookup_section_flags bfd_generic_lookup_section_flags
#define alpha_vms_bfd_merge_sections bfd_generic_merge_sections
#define alpha_vms_bfd_is_group_section bfd_generic_is_group_section
+#define alpha_vms_bfd_group_name bfd_generic_group_name
#define alpha_vms_bfd_discard_group bfd_generic_discard_group
#define alpha_vms_section_already_linked \
_bfd_generic_section_already_linked
#define alpha_vms_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define alpha_vms_bfd_link_hide_symbol _bfd_generic_link_hide_symbol
#define alpha_vms_bfd_define_start_stop bfd_generic_define_start_stop
#define alpha_vms_bfd_link_just_syms _bfd_generic_link_just_syms
#define alpha_vms_bfd_copy_link_hash_symbol_type \