/* BFD semi-generic back-end for a.out binaries.
- Copyright (C) 1990-2021 Free Software Foundation, Inc.
+ Copyright (C) 1990-2023 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
reloc_howto_type howto_table_ext[] =
{
/* Type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask pcdone. */
- HOWTO (RELOC_8, 0, 0, 8, false, 0, complain_overflow_bitfield, 0, "8", false, 0, 0x000000ff, false),
- HOWTO (RELOC_16, 0, 1, 16, false, 0, complain_overflow_bitfield, 0, "16", false, 0, 0x0000ffff, false),
- HOWTO (RELOC_32, 0, 2, 32, false, 0, complain_overflow_bitfield, 0, "32", false, 0, 0xffffffff, false),
- HOWTO (RELOC_DISP8, 0, 0, 8, true, 0, complain_overflow_signed, 0, "DISP8", false, 0, 0x000000ff, false),
- HOWTO (RELOC_DISP16, 0, 1, 16, true, 0, complain_overflow_signed, 0, "DISP16", false, 0, 0x0000ffff, false),
- HOWTO (RELOC_DISP32, 0, 2, 32, true, 0, complain_overflow_signed, 0, "DISP32", false, 0, 0xffffffff, false),
- HOWTO (RELOC_WDISP30, 2, 2, 30, true, 0, complain_overflow_signed, 0, "WDISP30", false, 0, 0x3fffffff, false),
- HOWTO (RELOC_WDISP22, 2, 2, 22, true, 0, complain_overflow_signed, 0, "WDISP22", false, 0, 0x003fffff, false),
- HOWTO (RELOC_HI22, 10, 2, 22, false, 0, complain_overflow_bitfield, 0, "HI22", false, 0, 0x003fffff, false),
- HOWTO (RELOC_22, 0, 2, 22, false, 0, complain_overflow_bitfield, 0, "22", false, 0, 0x003fffff, false),
- HOWTO (RELOC_13, 0, 2, 13, false, 0, complain_overflow_bitfield, 0, "13", false, 0, 0x00001fff, false),
- HOWTO (RELOC_LO10, 0, 2, 10, false, 0, complain_overflow_dont, 0, "LO10", false, 0, 0x000003ff, false),
- HOWTO (RELOC_SFA_BASE,0, 2, 32, false, 0, complain_overflow_bitfield, 0, "SFA_BASE", false, 0, 0xffffffff, false),
- HOWTO (RELOC_SFA_OFF13,0, 2, 32, false, 0, complain_overflow_bitfield, 0, "SFA_OFF13", false, 0, 0xffffffff, false),
- HOWTO (RELOC_BASE10, 0, 2, 10, false, 0, complain_overflow_dont, 0, "BASE10", false, 0, 0x000003ff, false),
- HOWTO (RELOC_BASE13, 0, 2, 13, false, 0, complain_overflow_signed, 0, "BASE13", false, 0, 0x00001fff, false),
- HOWTO (RELOC_BASE22, 10, 2, 22, false, 0, complain_overflow_bitfield, 0, "BASE22", false, 0, 0x003fffff, false),
- HOWTO (RELOC_PC10, 0, 2, 10, true, 0, complain_overflow_dont, 0, "PC10", false, 0, 0x000003ff, true),
- HOWTO (RELOC_PC22, 10, 2, 22, true, 0, complain_overflow_signed, 0, "PC22", false, 0, 0x003fffff, true),
- HOWTO (RELOC_JMP_TBL, 2, 2, 30, true, 0, complain_overflow_signed, 0, "JMP_TBL", false, 0, 0x3fffffff, false),
- HOWTO (RELOC_SEGOFF16,0, 2, 0, false, 0, complain_overflow_bitfield, 0, "SEGOFF16", false, 0, 0x00000000, false),
- HOWTO (RELOC_GLOB_DAT,0, 2, 0, false, 0, complain_overflow_bitfield, 0, "GLOB_DAT", false, 0, 0x00000000, false),
- HOWTO (RELOC_JMP_SLOT,0, 2, 0, false, 0, complain_overflow_bitfield, 0, "JMP_SLOT", false, 0, 0x00000000, false),
- HOWTO (RELOC_RELATIVE,0, 2, 0, false, 0, complain_overflow_bitfield, 0, "RELATIVE", false, 0, 0x00000000, false),
- HOWTO (0, 0, 3, 0, false, 0, complain_overflow_dont, 0, "R_SPARC_NONE",false, 0, 0x00000000, true),
- HOWTO (0, 0, 3, 0, false, 0, complain_overflow_dont, 0, "R_SPARC_NONE",false, 0, 0x00000000, true),
+ HOWTO (RELOC_8, 0, 1, 8, false, 0, complain_overflow_bitfield, 0, "8", false, 0, 0x000000ff, false),
+ HOWTO (RELOC_16, 0, 2, 16, false, 0, complain_overflow_bitfield, 0, "16", false, 0, 0x0000ffff, false),
+ HOWTO (RELOC_32, 0, 4, 32, false, 0, complain_overflow_bitfield, 0, "32", false, 0, 0xffffffff, false),
+ HOWTO (RELOC_DISP8, 0, 1, 8, true, 0, complain_overflow_signed, 0, "DISP8", false, 0, 0x000000ff, false),
+ HOWTO (RELOC_DISP16, 0, 2, 16, true, 0, complain_overflow_signed, 0, "DISP16", false, 0, 0x0000ffff, false),
+ HOWTO (RELOC_DISP32, 0, 4, 32, true, 0, complain_overflow_signed, 0, "DISP32", false, 0, 0xffffffff, false),
+ HOWTO (RELOC_WDISP30, 2, 4, 30, true, 0, complain_overflow_signed, 0, "WDISP30", false, 0, 0x3fffffff, false),
+ HOWTO (RELOC_WDISP22, 2, 4, 22, true, 0, complain_overflow_signed, 0, "WDISP22", false, 0, 0x003fffff, false),
+ HOWTO (RELOC_HI22, 10, 4, 22, false, 0, complain_overflow_bitfield, 0, "HI22", false, 0, 0x003fffff, false),
+ HOWTO (RELOC_22, 0, 4, 22, false, 0, complain_overflow_bitfield, 0, "22", false, 0, 0x003fffff, false),
+ HOWTO (RELOC_13, 0, 4, 13, false, 0, complain_overflow_bitfield, 0, "13", false, 0, 0x00001fff, false),
+ HOWTO (RELOC_LO10, 0, 4, 10, false, 0, complain_overflow_dont, 0, "LO10", false, 0, 0x000003ff, false),
+ HOWTO (RELOC_SFA_BASE,0, 4, 32, false, 0, complain_overflow_bitfield, 0, "SFA_BASE", false, 0, 0xffffffff, false),
+ HOWTO (RELOC_SFA_OFF13,0, 4, 32, false, 0, complain_overflow_bitfield, 0, "SFA_OFF13", false, 0, 0xffffffff, false),
+ HOWTO (RELOC_BASE10, 0, 4, 10, false, 0, complain_overflow_dont, 0, "BASE10", false, 0, 0x000003ff, false),
+ HOWTO (RELOC_BASE13, 0, 4, 13, false, 0, complain_overflow_signed, 0, "BASE13", false, 0, 0x00001fff, false),
+ HOWTO (RELOC_BASE22, 10, 4, 22, false, 0, complain_overflow_bitfield, 0, "BASE22", false, 0, 0x003fffff, false),
+ HOWTO (RELOC_PC10, 0, 4, 10, true, 0, complain_overflow_dont, 0, "PC10", false, 0, 0x000003ff, true),
+ HOWTO (RELOC_PC22, 10, 4, 22, true, 0, complain_overflow_signed, 0, "PC22", false, 0, 0x003fffff, true),
+ HOWTO (RELOC_JMP_TBL, 2, 4, 30, true, 0, complain_overflow_signed, 0, "JMP_TBL", false, 0, 0x3fffffff, false),
+ HOWTO (RELOC_SEGOFF16,0, 4, 0, false, 0, complain_overflow_bitfield, 0, "SEGOFF16", false, 0, 0x00000000, false),
+ HOWTO (RELOC_GLOB_DAT,0, 4, 0, false, 0, complain_overflow_bitfield, 0, "GLOB_DAT", false, 0, 0x00000000, false),
+ HOWTO (RELOC_JMP_SLOT,0, 4, 0, false, 0, complain_overflow_bitfield, 0, "JMP_SLOT", false, 0, 0x00000000, false),
+ HOWTO (RELOC_RELATIVE,0, 4, 0, false, 0, complain_overflow_bitfield, 0, "RELATIVE", false, 0, 0x00000000, false),
+ HOWTO (0, 0, 0, 0, false, 0, complain_overflow_dont, 0, "R_SPARC_NONE",false, 0, 0x00000000, true),
+ HOWTO (0, 0, 0, 0, false, 0, complain_overflow_dont, 0, "R_SPARC_NONE",false, 0, 0x00000000, true),
#define RELOC_SPARC_REV32 RELOC_WDISP19
- HOWTO (RELOC_SPARC_REV32, 0, 2, 32, false, 0, complain_overflow_dont, 0,"R_SPARC_REV32",false, 0, 0xffffffff, false),
+ HOWTO (RELOC_SPARC_REV32, 0, 4, 32, false, 0, complain_overflow_dont, 0,"R_SPARC_REV32",false, 0, 0xffffffff, false),
};
/* Convert standard reloc records to "arelent" format (incl byte swap). */
reloc_howto_type howto_table_std[] =
{
/* type rs size bsz pcrel bitpos ovrf sf name part_inpl readmask setmask pcdone. */
-HOWTO ( 0, 0, 0, 8, false, 0, complain_overflow_bitfield,0,"8", true, 0x000000ff,0x000000ff, false),
-HOWTO ( 1, 0, 1, 16, false, 0, complain_overflow_bitfield,0,"16", true, 0x0000ffff,0x0000ffff, false),
-HOWTO ( 2, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"32", true, 0xffffffff,0xffffffff, false),
-HOWTO ( 3, 0, 4, 64, false, 0, complain_overflow_bitfield,0,"64", true, 0xdeaddead,0xdeaddead, false),
-HOWTO ( 4, 0, 0, 8, true, 0, complain_overflow_signed, 0,"DISP8", true, 0x000000ff,0x000000ff, false),
-HOWTO ( 5, 0, 1, 16, true, 0, complain_overflow_signed, 0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
-HOWTO ( 6, 0, 2, 32, true, 0, complain_overflow_signed, 0,"DISP32", true, 0xffffffff,0xffffffff, false),
-HOWTO ( 7, 0, 4, 64, true, 0, complain_overflow_signed, 0,"DISP64", true, 0xfeedface,0xfeedface, false),
-HOWTO ( 8, 0, 2, 0, false, 0, complain_overflow_bitfield,0,"GOT_REL", false, 0,0x00000000, false),
-HOWTO ( 9, 0, 1, 16, false, 0, complain_overflow_bitfield,0,"BASE16", false,0xffffffff,0xffffffff, false),
-HOWTO (10, 0, 2, 32, false, 0, complain_overflow_bitfield,0,"BASE32", false,0xffffffff,0xffffffff, false),
+HOWTO ( 0, 0, 1, 8, false, 0, complain_overflow_bitfield,0,"8", true, 0x000000ff,0x000000ff, false),
+HOWTO ( 1, 0, 2, 16, false, 0, complain_overflow_bitfield,0,"16", true, 0x0000ffff,0x0000ffff, false),
+HOWTO ( 2, 0, 4, 32, false, 0, complain_overflow_bitfield,0,"32", true, 0xffffffff,0xffffffff, false),
+HOWTO ( 3, 0, 8, 64, false, 0, complain_overflow_bitfield,0,"64", true, 0xdeaddead,0xdeaddead, false),
+HOWTO ( 4, 0, 1, 8, true, 0, complain_overflow_signed, 0,"DISP8", true, 0x000000ff,0x000000ff, false),
+HOWTO ( 5, 0, 2, 16, true, 0, complain_overflow_signed, 0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
+HOWTO ( 6, 0, 4, 32, true, 0, complain_overflow_signed, 0,"DISP32", true, 0xffffffff,0xffffffff, false),
+HOWTO ( 7, 0, 8, 64, true, 0, complain_overflow_signed, 0,"DISP64", true, 0xfeedface,0xfeedface, false),
+HOWTO ( 8, 0, 4, 0, false, 0, complain_overflow_bitfield,0,"GOT_REL", false, 0,0x00000000, false),
+HOWTO ( 9, 0, 2, 16, false, 0, complain_overflow_bitfield,0,"BASE16", false,0xffffffff,0xffffffff, false),
+HOWTO (10, 0, 4, 32, false, 0, complain_overflow_bitfield,0,"BASE32", false,0xffffffff,0xffffffff, false),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
- HOWTO (16, 0, 2, 0, false, 0, complain_overflow_bitfield,0,"JMP_TABLE", false, 0,0x00000000, false),
+ HOWTO (16, 0, 4, 0, false, 0, complain_overflow_bitfield,0,"JMP_TABLE", false, 0,0x00000000, false),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
- HOWTO (32, 0, 2, 0, false, 0, complain_overflow_bitfield,0,"RELATIVE", false, 0,0x00000000, false),
+ HOWTO (32, 0, 4, 0, false, 0, complain_overflow_bitfield,0,"RELATIVE", false, 0,0x00000000, false),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
EMPTY_HOWTO (-1),
- HOWTO (40, 0, 2, 0, false, 0, complain_overflow_bitfield,0,"BASEREL", false, 0,0x00000000, false),
+ HOWTO (40, 0, 4, 0, false, 0, complain_overflow_bitfield,0,"BASEREL", false, 0,0x00000000, false),
};
#define TABLE_SIZE(TABLE) (sizeof (TABLE) / sizeof (TABLE[0]))
aout_@var{size}_some_aout_object_p
SYNOPSIS
- const bfd_target *aout_@var{size}_some_aout_object_p
+ bfd_cleanup aout_@var{size}_some_aout_object_p
(bfd *abfd,
struct internal_exec *execp,
- const bfd_target *(*callback_to_real_object_p) (bfd *));
+ bfd_cleanup (*callback_to_real_object_p) (bfd *));
DESCRIPTION
Some a.out variant thinks that the file open in @var{abfd}
int r_index;
asymbol *sym = *(g->sym_ptr_ptr);
int r_extern;
- unsigned int r_length;
+ unsigned int r_length, r_size;
int r_pcrel;
int r_baserel, r_jmptable, r_relative;
asection *output_section = sym->section->output_section;
BFD_ASSERT (g->howto != NULL);
- switch (bfd_get_reloc_size (g->howto))
+ r_size = bfd_get_reloc_size (g->howto);
+ r_length = bfd_log2 (r_size);
+ if (1u << r_length != r_size)
{
- default:
_bfd_error_handler (_("%pB: unsupported AOUT relocation size: %d"),
- abfd, bfd_get_reloc_size (g->howto));
+ abfd, r_size);
bfd_set_error (bfd_error_bad_value);
return;
- case 1:
- case 2:
- case 4:
- r_length = g->howto->size; /* Size as a power of two. */
- break;
- case 8:
- r_length = 3;
- break;
}
r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
if (r_extern) \
{ \
/* Undefined symbol. */ \
- if (r_index < bfd_get_symcount (abfd)) \
+ if (symbols != NULL && r_index < bfd_get_symcount (abfd)) \
cache_ptr->sym_ptr_ptr = symbols + r_index; \
+ else \
+ cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr; \
cache_ptr->addend = ad; \
} \
else \
long
NAME (aout, get_reloc_upper_bound) (bfd *abfd, sec_ptr asect)
{
- bfd_size_type count;
-
- if (bfd_get_format (abfd) != bfd_object)
- {
- bfd_set_error (bfd_error_invalid_operation);
- return -1;
- }
+ size_t count, raw;
if (asect->flags & SEC_CONSTRUCTOR)
count = asect->reloc_count;
return -1;
}
- if (count >= LONG_MAX / sizeof (arelent *))
+ if (count >= LONG_MAX / sizeof (arelent *)
+ || _bfd_mul_overflow (count, obj_reloc_entry_size (abfd), &raw))
{
bfd_set_error (bfd_error_file_too_big);
return -1;
}
+ if (!bfd_write_p (abfd))
+ {
+ ufile_ptr filesize = bfd_get_file_size (abfd);
+ if (filesize != 0 && raw > filesize)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return -1;
+ }
+ }
return (count + 1) * sizeof (arelent *);
}
\f
return true;
#define BFCI_FREE(x) do { free (x); x = NULL; } while (0)
+ BFCI_FREE (adata (abfd).line_buf);
BFCI_FREE (obj_aout_symbols (abfd));
#ifdef USE_MMAP
obj_aout_external_syms (abfd) = 0;
r_baserel = (howto->type & 8) != 0;
r_jmptable = (howto->type & 16) != 0;
r_relative = (howto->type & 32) != 0;
- if (bfd_get_reloc_size (howto) != 8)
- r_length = howto->size; /* Size as a power of two. */
- else
- r_length = 3;
+ r_length = bfd_log2 (bfd_get_reloc_size (howto));
PUT_WORD (flaginfo->output_bfd, p->offset, srel.r_address);
if (bfd_header_big_endian (flaginfo->output_bfd))
projects / binutils-gdb.git / blobdiff