/* BFD back-end for RISC iX (Acorn, arm) binaries.
- Copyright (C) 1994, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002
+ Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rwe@pegasus.esprit.ec.org)
-
+
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
/* RISC iX overloads the MAGIC field to indicate more than just the usual
[ZNO]MAGIC values. Also included are squeezing information and
shared library usage. */
#define SPOMAGIC (MF_USES_SL|OMAGIC) /* OMAGIC with large header */
/* -- may contain a ref to a */
/* shared lib required by the */
- /* object. */
+ /* object. */
#define SLOMAGIC (MF_IS_SL|OMAGIC) /* A reference to a shared library */
/* The text portion of the object */
/* contains "overflow text" from */
/* the shared library to be linked */
/* in with an object */
-#define QMAGIC (MF_SQUEEZED|ZMAGIC) /* Sqeezed demand paged. */
+#define QMAGIC (MF_SQUEEZED|ZMAGIC) /* Sqeezed demand paged. */
/* NOTE: This interpretation of */
/* QMAGIC seems to be at variance */
/* With that used on other */
- /* architectures. */
+ /* architectures. */
#define SPZMAGIC (MF_USES_SL|ZMAGIC) /* program which uses sl */
#define SPQMAGIC (MF_USES_SL|QMAGIC) /* sqeezed ditto */
#define SLZMAGIC (MF_IS_SL|ZMAGIC) /* shared lib part of prog */
#define N_SHARED_LIB(x) ((x).a_info & MF_USES_SL)
/* Only a pure OMAGIC file has the minimal header */
-#define N_TXTOFF(x) \
- ((x).a_info == OMAGIC ? 32 \
- : (N_MAGIC(x) == ZMAGIC) ? TARGET_PAGE_SIZE \
- : 999)
-
-#define N_TXTADDR(x) \
- (N_MAGIC(x) != ZMAGIC ? 0 /* object file or NMAGIC */ \
+#define N_TXTOFF(x) \
+ ((x).a_info == OMAGIC \
+ ? 32 \
+ : (N_MAGIC(x) == ZMAGIC \
+ ? TARGET_PAGE_SIZE \
+ : 999))
+
+#define N_TXTADDR(x) \
+ (N_MAGIC(x) != ZMAGIC \
+ ? (bfd_vma) 0 /* object file or NMAGIC */ \
/* Programs with shared libs are loaded at the first page after all the \
text segments of the shared library programs. Without looking this \
up we can't know exactly what the address will be. A reasonable guess \
- is that a_entry will be in the first page of the executable. */ \
- : N_SHARED_LIB(x) ? ((x).a_entry & ~(TARGET_PAGE_SIZE - 1)) \
- : TEXT_START_ADDR)
+ is that a_entry will be in the first page of the executable. */ \
+ : (N_SHARED_LIB(x) \
+ ? ((x).a_entry & ~(bfd_vma) (TARGET_PAGE_SIZE - 1)) \
+ : (bfd_vma) TEXT_START_ADDR))
#define N_SYMOFF(x) \
(N_TXTOFF (x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize)
#define SEGMENT_SIZE TARGET_PAGE_SIZE
#define DEFAULT_ARCH bfd_arch_arm
-#define MY(OP) CAT(riscix_,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 (riscix_,OP)
#define TARGETNAME "a.out-riscix"
#define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) && \
(((x).a_info & ~006000) != OMAGIC) && \
#include "sysdep.h"
#include "libbfd.h"
-#define WRITE_HEADERS(abfd, execp) \
- { \
- 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); \
- \
- execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
- execp->a_entry = bfd_get_start_address (abfd); \
- \
- execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
- obj_reloc_entry_size (abfd)); \
- execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
- obj_reloc_entry_size (abfd)); \
- NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
- \
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false; \
- if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \
- != EXEC_BYTES_SIZE) \
- return false; \
- /* Now write out reloc info, followed by syms and strings */ \
- \
- if (bfd_get_outsymbols (abfd) != (asymbol **) NULL \
- && bfd_get_symcount (abfd) != 0) \
- { \
- if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) != 0) \
- return false; \
- \
- if (! NAME(aout,write_syms)(abfd)) return false; \
- \
- if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) != 0) \
- return false; \
- \
- if (! riscix_squirt_out_relocs (abfd, obj_textsec (abfd))) \
- return false; \
- if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) != 0) \
- return false; \
- \
- if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) \
- return false; \
- } \
+#define WRITE_HEADERS(abfd, execp) \
+ { \
+ 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); \
+ \
+ execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \
+ execp->a_entry = bfd_get_start_address (abfd); \
+ \
+ execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \
+ obj_reloc_entry_size (abfd)); \
+ execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \
+ obj_reloc_entry_size (abfd)); \
+ NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
+ \
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 \
+ || bfd_bwrite ((PTR) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, \
+ abfd) != EXEC_BYTES_SIZE) \
+ return FALSE; \
+ /* Now write out reloc info, followed by syms and strings */ \
+ \
+ if (bfd_get_outsymbols (abfd) != (asymbol **) NULL \
+ && bfd_get_symcount (abfd) != 0) \
+ { \
+ if (bfd_seek (abfd, (file_ptr) (N_SYMOFF(*execp)), SEEK_SET) != 0) \
+ return FALSE; \
+ \
+ if (! NAME(aout,write_syms) (abfd)) return FALSE; \
+ \
+ if (bfd_seek (abfd, (file_ptr) (N_TRELOFF(*execp)), SEEK_SET) != 0) \
+ return FALSE; \
+ \
+ if (! riscix_squirt_out_relocs (abfd, obj_textsec (abfd))) \
+ return FALSE; \
+ if (bfd_seek (abfd, (file_ptr) (N_DRELOFF(*execp)), SEEK_SET) != 0) \
+ return FALSE; \
+ \
+ if (!NAME(aout,squirt_out_relocs) (abfd, obj_datasec (abfd))) \
+ return FALSE; \
+ } \
}
#include "libaout.h"
static bfd_reloc_status_type
riscix_fix_pcrel_26 PARAMS ((bfd *, arelent *, asymbol *, PTR,
asection *, bfd *, char **));
+static const bfd_target *
+MY (object_p) PARAMS ((bfd *));
+
+reloc_howto_type *
+riscix_reloc_type_lookup PARAMS ((bfd *, bfd_reloc_code_real_type));
+
+void
+riscix_swap_std_reloc_out PARAMS ((bfd *, arelent *, struct reloc_std_external *));
+
+bfd_boolean
+riscix_squirt_out_relocs PARAMS ((bfd *, asection *));
+
+long
+MY (canonicalize_reloc) PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
+
+const bfd_target *
+riscix_some_aout_object_p PARAMS ((bfd *, struct internal_exec *, const bfd_target *(*) (bfd *)));
+
static reloc_howto_type riscix_std_reloc_howto[] = {
/* 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, 2, 3, 26, true, 0, complain_overflow_signed, riscix_fix_pcrel_26 , "ARM26", true, 0x00ffffff,0x00ffffff, false),
- HOWTO( 4, 0, 0, 8, true, 0, complain_overflow_signed, 0,"DISP8", true, 0x000000ff,0x000000ff, true),
- HOWTO( 5, 0, 1, 16, true, 0, complain_overflow_signed, 0,"DISP16", true, 0x0000ffff,0x0000ffff, true),
- HOWTO( 6, 0, 2, 32, true, 0, complain_overflow_signed, 0,"DISP32", true, 0xffffffff,0xffffffff, true),
- HOWTO( 7, 2, 3, 26, false, 0, complain_overflow_signed, riscix_fix_pcrel_26_done, "ARM26D",true,0x00ffffff,0x00ffffff, false),
+ 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, 2, 3, 26, TRUE, 0, complain_overflow_signed, riscix_fix_pcrel_26 , "ARM26", TRUE, 0x00ffffff,0x00ffffff, FALSE),
+ HOWTO( 4, 0, 0, 8, TRUE, 0, complain_overflow_signed, 0,"DISP8", TRUE, 0x000000ff,0x000000ff, TRUE),
+ HOWTO( 5, 0, 1, 16, TRUE, 0, complain_overflow_signed, 0,"DISP16", TRUE, 0x0000ffff,0x0000ffff, TRUE),
+ HOWTO( 6, 0, 2, 32, TRUE, 0, complain_overflow_signed, 0,"DISP32", TRUE, 0xffffffff,0xffffffff, TRUE),
+ HOWTO( 7, 2, 3, 26, FALSE, 0, complain_overflow_signed, riscix_fix_pcrel_26_done, "ARM26D",TRUE,0x00ffffff,0x00ffffff, FALSE),
EMPTY_HOWTO (-1),
- HOWTO( 9, 0, -1, 16, false, 0, complain_overflow_bitfield,0,"NEG16", true, 0x0000ffff,0x0000ffff, false),
- HOWTO( 10, 0, -2, 32, false, 0, complain_overflow_bitfield,0,"NEG32", true, 0xffffffff,0xffffffff, false)
+ HOWTO( 9, 0, -1, 16, FALSE, 0, complain_overflow_bitfield,0,"NEG16", TRUE, 0x0000ffff,0x0000ffff, FALSE),
+ HOWTO( 10, 0, -2, 32, FALSE, 0, complain_overflow_bitfield,0,"NEG32", TRUE, 0xffffffff,0xffffffff, FALSE)
};
#define RISCIX_TABLE_SIZE \
(sizeof (riscix_std_reloc_howto) / sizeof (reloc_howto_type))
-
static bfd_reloc_status_type
riscix_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
bfd_size_type addr = reloc_entry->address;
long target = bfd_get_32 (abfd, (bfd_byte *) data + addr);
bfd_reloc_status_type flag = bfd_reloc_ok;
-
+
/* If this is an undefined symbol, return error */
if (symbol->section == &bfd_und_section
&& (symbol->flags & BSF_WEAK) == 0)
if ((relocation & ~ (bfd_vma) 0x03ffffff) != ~ (bfd_vma) 0x03ffffff)
flag = bfd_reloc_overflow;
}
- else if (relocation & ~0x03ffffff)
+ else if (relocation & ~ (bfd_vma) 0x03ffffff)
flag = bfd_reloc_overflow;
target &= ~0x00ffffff;
target |= (relocation >> 2) & 0x00ffffff;
- bfd_put_32 (abfd, target, (bfd_byte *) data + addr);
+ bfd_put_32 (abfd, (bfd_vma) target, (bfd_byte *) data + addr);
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
reloc_entry->howto = &riscix_std_reloc_howto[7];
-
+
return flag;
}
reloc_howto_type *
-DEFUN(riscix_reloc_type_lookup,(abfd,code),
- bfd *abfd AND
- bfd_reloc_code_real_type code)
+riscix_reloc_type_lookup (abfd, code)
+ bfd *abfd;
+ bfd_reloc_code_real_type code;
{
#define ASTD(i,j) case i: return &riscix_std_reloc_howto[j]
if (code == BFD_RELOC_CTOR)
/* For RISC iX, in pc-relative relocs the r_pcrel bit means that the
relocation has been done already (Only for the 26-bit one I think)???!!!
*/
-
+
if (r_length == 3)
r_pcrel = r_pcrel ? 0 : 1;
-
#if 0
/* For a standard reloc, the addend is in the object file. */
}
}
-boolean
+bfd_boolean
riscix_squirt_out_relocs (abfd, section)
bfd *abfd;
asection *section;
arelent **generic;
unsigned char *native, *natptr;
size_t each_size;
-
+
unsigned int count = section->reloc_count;
- size_t natsize;
+ bfd_size_type natsize;
- if (count == 0) return true;
+ if (count == 0)
+ return TRUE;
each_size = obj_reloc_entry_size (abfd);
- natsize = each_size * count;
+ natsize = each_size;
+ natsize *= count;
native = (unsigned char *) bfd_zalloc (abfd, natsize);
if (!native)
- return false;
+ return FALSE;
generic = section->orelocation;
riscix_swap_std_reloc_out (abfd, *generic,
(struct reloc_std_external *) natptr);
- if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize)
+ if (bfd_bwrite ((PTR) native, natsize, abfd) != natsize)
{
- bfd_release(abfd, native);
- return false;
+ bfd_release (abfd, native);
+ return FALSE;
}
bfd_release (abfd, native);
- return true;
+ return TRUE;
}
-
/*
* This is just like the standard aoutx.h version but we need to do our
* own mapping of external reloc type values to howto entries.
*/
long
-MY(canonicalize_reloc)(abfd, section, relptr, symbols)
+MY(canonicalize_reloc) (abfd, section, relptr, symbols)
bfd *abfd;
sec_ptr section;
arelent **relptr;
unsigned int count, c;
extern reloc_howto_type NAME(aout,std_howto_table)[];
- /* If we have already read in the relocation table, return the values. */
+ /* If we have already read in the relocation table, return the values. */
if (section->flags & SEC_CONSTRUCTOR) {
arelent_chain *chain = section->constructor_chain;
return section->reloc_count;
}
- if (!NAME(aout,slurp_reloc_table)(abfd, section, symbols))
+ if (!NAME(aout,slurp_reloc_table) (abfd, section, symbols))
return -1;
tblptr = section->relocation;
return section->reloc_count;
}
-/* This is the same as NAME(aout,some_aout_object_p), but has different
+/* This is the same as NAME(aout,some_aout_object_p), but has different
expansions of the macro definitions. */
const bfd_target *
{
struct aout_data_struct *rawptr, *oldrawptr;
const bfd_target *result;
+ bfd_size_type amt = sizeof (struct aout_data_struct);
- rawptr = ((struct aout_data_struct *)
- bfd_zalloc (abfd, sizeof (struct aout_data_struct )));
+ rawptr = (struct aout_data_struct *) bfd_zalloc (abfd, amt);
if (rawptr == NULL)
return 0;
if (N_DYNAMIC(*execp))
abfd->flags |= DYNAMIC;
-
- if ((execp->a_info & MF_SQUEEZED) != 0) /* Squeezed files aren't supported
+ if ((execp->a_info & MF_SQUEEZED) != 0) /* Squeezed files aren't supported
(yet)! */
{
bfd_set_error (bfd_error_wrong_format);
/* The default relocation entry size is that of traditional V7 Unix. */
obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
- /* The default symbol entry size is that of traditional Unix. */
+ /* The default symbol entry size is that of traditional Unix. */
obj_symbol_entry_size (abfd) = EXTERNAL_NLIST_SIZE;
obj_aout_external_syms (abfd) = NULL;
: (SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_HAS_CONTENTS));
obj_bsssec (abfd)->flags = SEC_ALLOC;
- result = (*callback_to_real_object_p)(abfd);
+ result = (*callback_to_real_object_p) (abfd);
#if defined(MACH) || defined(STAT_FOR_EXEC)
/* The original heuristic doesn't work in some important cases. The
return result;
}
-
static const bfd_target *
MY(object_p) (abfd)
bfd *abfd;
struct internal_exec exec; /* Cleaned-up exec header */
const bfd_target *target;
- if (bfd_read ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd)
- != EXEC_BYTES_SIZE) {
- if (bfd_get_error () != bfd_error_system_call)
- bfd_set_error (bfd_error_wrong_format);
- return 0;
- }
+ if (bfd_bread ((PTR) &exec_bytes, (bfd_size_type) EXEC_BYTES_SIZE, abfd)
+ != EXEC_BYTES_SIZE)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return 0;
+ }
- exec.a_info = bfd_h_get_32 (abfd, exec_bytes.e_info);
+ exec.a_info = H_GET_32 (abfd, exec_bytes.e_info);
if (N_BADMAG (exec)) return 0;
#ifdef MACHTYPE_OK
if (!(MACHTYPE_OK (N_MACHTYPE (exec)))) return 0;
#endif
- NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &exec);
+ NAME(aout,swap_exec_header_in) (abfd, &exec_bytes, &exec);
target = riscix_some_aout_object_p (abfd, &exec, MY(callback));
return target;
}
-
#include "aout-target.h"
projects / deliverable / binutils-gdb.git / blobdiff