/* BFD back-end for TMS320C30 a.out binaries.
- Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
Contributed by Steven Haworth (steve@pm.cse.rmit.edu.au)
This file is part of BFD, the Binary File Descriptor library.
#define DEFAULT_ARCH bfd_arch_tic30
#define ARCH_SIZE 32
-#define MY(OP) CAT(tic30_aout_,OP)
+/* Do not "beautify" the CONCAT* macro args. Traditional C will not
+ remove whitespace added here, and thus will fail to concatenate
+ the tokens. */
+#define MY(OP) CONCAT2 (tic30_aout_,OP)
#define TARGETNAME "a.out-tic30"
-#define NAME(x,y) CAT3(tic30_aout,_32_,y)
+#define NAME(x,y) CONCAT3 (tic30_aout,_32_,y)
#include "bfd.h"
#include "sysdep.h"
static const bfd_target *tic30_aout_object_p PARAMS ((bfd *));
static boolean tic30_aout_write_object_contents PARAMS ((bfd *));
static boolean tic30_aout_set_sizes PARAMS ((bfd *));
-
-#define MY_reloc_howto(BFD,REL,IN,EX,PC) tic30_aout_reloc_howto(BFD,REL,&IN,&EX,&PC)
+static const bfd_target * tic30_aout_callback PARAMS ((bfd *));
+static boolean MY_bfd_copy_private_section_data
+ PARAMS ((bfd *, asection *, bfd *, asection *));
+static boolean MY_bfd_final_link PARAMS ((bfd *, struct bfd_link_info *));
+reloc_howto_type * tic30_aout_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
+enum machine_type tic30_aout_machine_type
+ PARAMS ((enum bfd_architecture, unsigned long, boolean *));
+boolean tic30_aout_set_arch_mach
+ PARAMS ((bfd *, enum bfd_architecture, unsigned long));
+
+#define MY_reloc_howto(BFD, REL, IN, EX, PC) \
+ tic30_aout_reloc_howto(BFD, REL, &IN, &EX, &PC)
#define MY_final_link_relocate tic30_aout_final_link_relocate
#define MY_object_p tic30_aout_object_p
#define MY_mkobject NAME(aout,mkobject)
#define MY_finish_dynamic_link 0
#endif
-static CONST struct aout_backend_data tic30_aout_backend_data =
+static const struct aout_backend_data tic30_aout_backend_data =
{
MY_zmagic_contiguous,
MY_text_includes_header,
2) to get the 32-bit addresses in the format the TMS320C30 likes
it. */
reloc_howto_type tic30_aout_howto_table[] =
-{
- EMPTY_HOWTO (-1),
- HOWTO (1, 2, 1, 16, false, 0, 0, tic30_aout_fix_16,
- "16", false, 0x0000FFFF, 0x0000FFFF, false),
- HOWTO (2, 2, 2, 24, false, 0, complain_overflow_bitfield, NULL,
- "24", false, 0x00FFFFFF, 0x00FFFFFF, false),
- HOWTO (3, 18, 3, 24, false, 0, complain_overflow_bitfield, NULL,
- "LDP", false, 0x00FF0000, 0x000000FF, false),
- HOWTO (4, 2, 4, 32, false, 0, complain_overflow_bitfield, tic30_aout_fix_32,
- "32", false, 0xFFFFFFFF, 0xFFFFFFFF, false),
- HOWTO (5, 2, 1, 16, true, 0, complain_overflow_signed,
- tic30_aout_fix_pcrel_16, "PCREL", true, 0x0000FFFF, 0x0000FFFF, true),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1),
- EMPTY_HOWTO (-1)
-};
-
-extern reloc_howto_type *NAME (aout, reloc_type_lookup) ();
+ {
+ EMPTY_HOWTO (-1),
+ HOWTO (1, 2, 1, 16, false, 0, 0, tic30_aout_fix_16,
+ "16", false, 0x0000FFFF, 0x0000FFFF, false),
+ HOWTO (2, 2, 2, 24, false, 0, complain_overflow_bitfield, NULL,
+ "24", false, 0x00FFFFFF, 0x00FFFFFF, false),
+ HOWTO (3, 18, 3, 24, false, 0, complain_overflow_bitfield, NULL,
+ "LDP", false, 0x00FF0000, 0x000000FF, false),
+ HOWTO (4, 2, 4, 32, false, 0, complain_overflow_bitfield, tic30_aout_fix_32,
+ "32", false, 0xFFFFFFFF, 0xFFFFFFFF, false),
+ HOWTO (5, 2, 1, 16, true, 0, complain_overflow_signed,
+ tic30_aout_fix_pcrel_16, "PCREL", true, 0x0000FFFF, 0x0000FFFF, true),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1),
+ EMPTY_HOWTO (-1)
+ };
+
+extern reloc_howto_type *NAME (aout, reloc_type_lookup)
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
reloc_howto_type *
tic30_aout_reloc_type_lookup (abfd, code)
unsigned int arch_align_power;
unsigned long arch_align;
- /* Calculate the file positions of the parts of a newly read aout header */
+ /* Calculate the file positions of the parts of a newly read aout header. */
obj_textsec (abfd)->_raw_size = N_TXTSIZE (*execp);
- /* The virtual memory addresses of the sections */
+ /* The virtual memory addresses of the sections. */
obj_textsec (abfd)->vma = N_TXTADDR (*execp);
obj_datasec (abfd)->vma = N_DATADDR (*execp);
obj_bsssec (abfd)->vma = N_BSSADDR (*execp);
obj_datasec (abfd)->lma = obj_datasec (abfd)->vma;
obj_bsssec (abfd)->lma = obj_bsssec (abfd)->vma;
- /* The file offsets of the sections */
+ /* The file offsets of the sections. */
obj_textsec (abfd)->filepos = N_TXTOFF (*execp);
obj_datasec (abfd)->filepos = N_DATOFF (*execp);
- /* The file offsets of the relocation info */
+ /* The file offsets of the relocation info. */
obj_textsec (abfd)->rel_filepos = N_TRELOFF (*execp);
obj_datasec (abfd)->rel_filepos = N_DRELOFF (*execp);
#ifdef SET_ARCH_MACH
SET_ARCH_MACH (abfd, *execp);
#else
- bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0);
+ bfd_default_set_arch_mach (abfd, DEFAULT_ARCH, 0L);
#endif
/* Now that we know the architecture, set the alignments of the
x = bfd_get_32 (input_bfd, location);
break;
}
+
overflow = false;
+
if (howto->complain_on_overflow != complain_overflow_dont)
{
bfd_vma check;
case complain_overflow_bitfield:
{
bfd_vma reloc_bits = (((1 << (howto->bitsize - 1)) - 1) << 1) | 1;
- if ((check & ~reloc_bits) != 0 && (((bfd_vma) signed_check & ~reloc_bits) != (-1 & ~reloc_bits)))
+ if ((check & ~reloc_bits) != 0
+ && (((bfd_vma) signed_check & ~reloc_bits)
+ != ((bfd_vma) -1 & ~reloc_bits)))
overflow = true;
}
break;
return overflow ? bfd_reloc_overflow : bfd_reloc_ok;
}
-/* Finish up the reading of an a.out file header */
+/* Finish up the reading of an a.out file header. */
static const bfd_target *
tic30_aout_object_p (abfd)
bfd *abfd;
{
- struct external_exec exec_bytes; /* Raw exec header from file */
- struct internal_exec exec; /* Cleaned-up exec header */
+ struct external_exec exec_bytes; /* Raw exec header from file. */
+ struct internal_exec exec; /* Cleaned-up exec header. */
const bfd_target *target;
+ bfd_size_type amt = EXEC_BYTES_SIZE;
- if (bfd_read ((PTR) & exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
- != EXEC_BYTES_SIZE)
+ if (bfd_bread ((PTR) &exec_bytes, amt, abfd) != amt)
{
if (bfd_get_error () != bfd_error_system_call)
bfd_set_error (bfd_error_wrong_format);
#ifdef SWAP_MAGIC
exec.a_info = SWAP_MAGIC (exec_bytes.e_info);
#else
- exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
+ exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
#endif /* SWAP_MAGIC */
if (N_BADMAG (exec))
#ifdef ENTRY_CAN_BE_ZERO
/* The NEWSOS3 entry-point is/was 0, which (amongst other lossage)
- * means that it isn't obvious if EXEC_P should be set.
- * All of the following must be true for an executable:
- * There must be no relocations, the bfd can be neither an
- * archive nor an archive element, and the file must be executable. */
+ means that it isn't obvious if EXEC_P should be set.
+ All of the following must be true for an executable:
+ There must be no relocations, the bfd can be neither an
+ archive nor an archive element, and the file must be executable. */
if (exec.a_trsize + exec.a_drsize == 0
&& bfd_get_format (abfd) == bfd_object && abfd->my_archive == NULL)
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
{
- bfd_size_type text_size; /* dummy vars */
+ bfd_size_type text_size; /* Dummy vars. */
file_ptr text_end;
+
if (adata (abfd).magic == undecided_magic)
NAME (aout, adjust_sizes_and_vmas) (abfd, &text_size, &text_end);
if (adata (abfd).exec_bytes_size > 0)
{
+ bfd_size_type amt;
if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return false;
- if (bfd_write ((PTR) & exec_bytes, 1, adata (abfd).exec_bytes_size, abfd) != adata (abfd).exec_bytes_size)
+ amt = adata (abfd).exec_bytes_size;
+ if (bfd_bwrite ((PTR) &exec_bytes, amt, abfd) != amt)
return false;
}
- /* Now write out reloc info, followed by syms and strings */
+ /* Now write out reloc info, followed by syms and strings. */
if (bfd_get_outsymbols (abfd) != (asymbol **) NULL
&& bfd_get_symcount (abfd) != 0)
{
{
obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
}
+
if (obj_datasec (abfd)->vma < vma)
- {
- obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
- }
+ obj_datasec (abfd)->vma = BFD_ALIGN (vma, 4);
+
obj_datasec (abfd)->user_set_vma = 1;
vma = obj_datasec (abfd)->vma;
obj_datasec (abfd)->filepos = vma + adata (abfd).exec_bytes_size;
#ifndef MY_bfd_gc_sections
#define MY_bfd_gc_sections bfd_generic_gc_sections
#endif
+#ifndef MY_bfd_merge_sections
+#define MY_bfd_merge_sections bfd_generic_merge_sections
+#endif
#ifndef MY_bfd_reloc_type_lookup
#define MY_bfd_reloc_type_lookup tic30_aout_reloc_type_lookup
#endif
projects / deliverable / binutils-gdb.git / blobdiff