/* BFD back-end for RISC iX (Acorn, arm) binaries.
- Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1994-2017 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
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/* RISC iX overloads the MAGIC field to indicate more than just the usual
#define MF_IS_SL 04000
/* Common combinations. */
-#define IMAGIC (MF_IMPURE|ZMAGIC) /* Demand load (impure text) */
-#define SPOMAGIC (MF_USES_SL|OMAGIC) /* OMAGIC with large header */
- /* -- may contain a ref to a */
- /* shared lib required by the */
- /* 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. */
- /* NOTE: This interpretation of */
- /* QMAGIC seems to be at variance */
- /* With that used on other */
- /* 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 SLPZMAGIC (MF_USES_SL|SLZMAGIC) /* sl which uses another */
-
-#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 */ \
+
+/* Demand load (impure text). */
+#define IMAGIC (MF_IMPURE | ZMAGIC)
+
+/* OMAGIC with large header.
+ May contain a ref to a shared lib required by the object. */
+#define SPOMAGIC (MF_USES_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 SLOMAGIC (MF_IS_SL | OMAGIC)
+
+/* Sqeezed demand paged.
+ NOTE: This interpretation of QMAGIC seems to be at variance
+ with that used on other architectures. */
+#define QMAGIC (MF_SQUEEZED | ZMAGIC)
+
+/* Program which uses sl. */
+#define SPZMAGIC (MF_USES_SL | ZMAGIC)
+
+/* Sqeezed ditto. */
+#define SPQMAGIC (MF_USES_SL | QMAGIC)
+
+/* Shared lib part of prog. */
+#define SLZMAGIC (MF_IS_SL | ZMAGIC)
+
+/* Sl which uses another. */
+#define SLPZMAGIC (MF_USES_SL | SLZMAGIC)
+
+#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 \
+ ? (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)
+ (N_TXTOFF (x) + (x)->a_text + (x)->a_data + (x)->a_trsize + (x)->a_drsize)
-#define N_STROFF(x) (N_SYMOFF (x) + (x).a_syms)
+#define N_STROFF(x) (N_SYMOFF (x) + (x)->a_syms)
-#define TEXT_START_ADDR 32768
-#define TARGET_PAGE_SIZE 32768
-#define SEGMENT_SIZE TARGET_PAGE_SIZE
-#define DEFAULT_ARCH bfd_arch_arm
+#define TEXT_START_ADDR 32768
+#define TARGET_PAGE_SIZE 32768
+#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 (arm_aout_riscix_,OP)
#define TARGETNAME "a.out-riscix"
-#define N_BADMAG(x) ((((x).a_info & ~007200) != ZMAGIC) && \
- (((x).a_info & ~006000) != OMAGIC) && \
- ((x).a_info != NMAGIC))
-#define N_MAGIC(x) ((x).a_info & ~07200)
+#define N_BADMAG(x) ((((x)->a_info & ~007200) != ZMAGIC) \
+ && (((x)->a_info & ~006000) != OMAGIC) \
+ && ((x)->a_info != NMAGIC))
+#define N_MAGIC(x) ((x)->a_info & ~07200)
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.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) \
+ { \
+ if (adata (abfd).magic == undecided_magic) \
+ NAME (aout, adjust_sizes_and_vmas) (abfd); \
+ \
+ 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 ((void *) & 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) != 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"
#include "aout/aout64.h"
static bfd_reloc_status_type
-riscix_fix_pcrel_26_done PARAMS ((bfd *, arelent *, asymbol *, PTR,
- asection *, bfd *, char **));
+riscix_fix_pcrel_26_done (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *reloc_entry ATTRIBUTE_UNUSED,
+ asymbol *symbol ATTRIBUTE_UNUSED,
+ void * data ATTRIBUTE_UNUSED,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd *output_bfd ATTRIBUTE_UNUSED,
+ char **error_message ATTRIBUTE_UNUSED)
+{
+ /* This is dead simple at present. */
+ return bfd_reloc_ok;
+}
-static bfd_reloc_status_type
-riscix_fix_pcrel_26 PARAMS ((bfd *, arelent *, asymbol *, PTR,
- asection *, bfd *, char **));
-
-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),
- {-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)
+static bfd_reloc_status_type riscix_fix_pcrel_26 (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+static const bfd_target *arm_aout_riscix_callback (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),
+ 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)
};
#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 *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
-{
- /* This is dead simple at present. */
- return bfd_reloc_ok;
-}
-
static bfd_reloc_status_type
-riscix_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+riscix_fix_pcrel_26 (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void * data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **error_message ATTRIBUTE_UNUSED)
{
bfd_vma relocation;
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
+
+ /* If this is an undefined symbol, return error. */
+ if (bfd_is_und_section (symbol->section)
&& (symbol->flags & BSF_WEAK) == 0)
return output_bfd ? bfd_reloc_continue : bfd_reloc_undefined;
/* If the sections are different, and we are doing a partial relocation,
just ignore it for now. */
if (symbol->section->name != input_section->name
- && output_bfd != (bfd *)NULL)
+ && output_bfd != NULL)
return bfd_reloc_continue;
relocation = (target & 0x00ffffff) << 2;
- relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend */
+ relocation = (relocation ^ 0x02000000) - 0x02000000; /* Sign extend. */
relocation += symbol->value;
relocation += symbol->section->output_section->vma;
relocation += symbol->section->output_offset;
if (relocation & 3)
return bfd_reloc_overflow;
- /* Check for overflow */
+ /* Check for overflow. */
if (relocation & 0x02000000)
{
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)
+static reloc_howto_type *
+riscix_reloc_type_lookup (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)
- switch (bfd_get_arch_info (abfd)->bits_per_address)
+ switch (bfd_arch_bits_per_address (abfd))
{
case 32:
code = BFD_RELOC_32;
break;
- default: return (reloc_howto_type *) NULL;
+ default:
+ return NULL;
}
switch (code)
ASTD (BFD_RELOC_8_PCREL, 4);
ASTD (BFD_RELOC_16_PCREL, 5);
ASTD (BFD_RELOC_32_PCREL, 6);
- default: return (reloc_howto_type *) NULL;
+ default:
+ return NULL;
}
}
-#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define MY_final_link_callback should_not_be_used
-#define MY_bfd_final_link _bfd_generic_final_link
+static reloc_howto_type *
+riscix_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (riscix_std_reloc_howto) / sizeof (riscix_std_reloc_howto[0]);
+ i++)
+ if (riscix_std_reloc_howto[i].name != NULL
+ && strcasecmp (riscix_std_reloc_howto[i].name, r_name) == 0)
+ return &riscix_std_reloc_howto[i];
+
+ return NULL;
+}
-#define MY_bfd_reloc_type_lookup riscix_reloc_type_lookup
-#define MY_canonicalize_reloc riscix_canonicalize_reloc
-#define MY_object_p riscix_object_p
+#define MY_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define MY_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define MY_final_link_callback should_not_be_used
+#define MY_bfd_final_link _bfd_generic_final_link
-static const bfd_target *riscix_callback PARAMS ((bfd *));
+#define MY_bfd_reloc_type_lookup riscix_reloc_type_lookup
+#define MY_bfd_reloc_name_lookup riscix_reloc_name_lookup
+#define MY_canonicalize_reloc arm_aout_riscix_canonicalize_reloc
+#define MY_object_p arm_aout_riscix_object_p
-void
-riscix_swap_std_reloc_out (abfd, g, natptr)
- bfd *abfd;
- arelent *g;
- struct reloc_std_external *natptr;
+static void
+riscix_swap_std_reloc_out (bfd *abfd,
+ arelent *g,
+ struct reloc_std_external *natptr)
{
int r_index;
asymbol *sym = *(g->sym_ptr_ptr);
PUT_WORD(abfd, g->address, natptr->r_address);
- r_length = g->howto->size ; /* Size as a power of two */
+ r_length = g->howto->size ; /* Size as a power of two. */
if (r_length < 0)
{
r_length = -r_length;
r_neg = 1;
}
- r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
+ r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
/* 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)???!!!
- */
-
+ 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. */
- r_addend = g->addend + (*(g->sym_ptr_ptr))->section->output_section->vma;
-#endif
- /* name was clobbered by aout_write_syms to be symbol index */
+ /* Name was clobbered by aout_write_syms to be symbol index. */
/* If this relocation is relative to a symbol then set the
r_index to the symbols index, and the r_extern bit.
Absolute symbols can come in in two ways, either as an offset
from the abs section, or as a symbol which has an abs value.
- check for that here
- */
+ check for that here. */
if (bfd_is_com_section (output_section)
- || output_section == &bfd_abs_section
- || output_section == &bfd_und_section)
+ || bfd_is_abs_section (output_section)
+ || bfd_is_und_section (output_section))
{
- if (bfd_abs_section.symbol == sym)
+ if (bfd_abs_section_ptr->symbol == sym)
{
/* Whoops, looked like an abs symbol, but is really an offset
- from the abs section */
+ from the abs section. */
r_index = 0;
r_extern = 0;
}
else
{
- /* Fill in symbol */
+ /* Fill in symbol. */
r_extern = 1;
r_index = (*g->sym_ptr_ptr)->udata.i;
}
}
else
{
- /* Just an ordinary section */
+ /* Just an ordinary section. */
r_extern = 0;
r_index = output_section->target_index;
}
- /* now the fun stuff */
+ /* Now the fun stuff. */
if (bfd_header_big_endian (abfd))
{
natptr->r_index[0] = r_index >> 16;
}
}
-boolean
-riscix_squirt_out_relocs (abfd, section)
- bfd *abfd;
- asection *section;
+static bfd_boolean
+riscix_squirt_out_relocs (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;
- native = (unsigned char *) bfd_zalloc (abfd, natsize);
+ natsize = each_size;
+ natsize *= count;
+ native = 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 ((void *) 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. */
-/*
- * 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)
- bfd *abfd;
- sec_ptr section;
- arelent **relptr;
- asymbol **symbols;
+static long
+MY (canonicalize_reloc) (bfd *abfd,
+ sec_ptr section,
+ arelent **relptr,
+ asymbol **symbols)
{
arelent *tblptr = section->relocation;
unsigned int count, c;
- extern reloc_howto_type NAME(aout,std_howto_table)[];
+ extern reloc_howto_type NAME (aout, std_howto_table)[];
+
+ /* If we have already read in the relocation table, return the values. */
+ if (section->flags & SEC_CONSTRUCTOR)
+ {
+ arelent_chain *chain = section->constructor_chain;
- /* If we have already read in the relocation table, return the values. */
- if (section->flags & SEC_CONSTRUCTOR) {
- arelent_chain *chain = section->constructor_chain;
+ for (count = 0; count < section->reloc_count; count++)
+ {
+ *relptr++ = &chain->relent;
+ chain = chain->next;
+ }
+ *relptr = 0;
+ return section->reloc_count;
+ }
- for (count = 0; count < section->reloc_count; count++) {
- *relptr++ = &chain->relent;
- chain = chain->next;
+ if (tblptr && section->reloc_count)
+ {
+ for (count = 0; count++ < section->reloc_count;)
+ *relptr++ = tblptr++;
+ *relptr = 0;
+ return section->reloc_count;
}
- *relptr = 0;
- return section->reloc_count;
- }
- if (tblptr && section->reloc_count) {
- for (count = 0; count++ < section->reloc_count;)
- *relptr++ = tblptr++;
- *relptr = 0;
- 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;
- /* fix up howto entries */
+ /* Fix up howto entries. */
for (count = 0; count++ < section->reloc_count;)
{
c = tblptr->howto - NAME(aout,std_howto_table);
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 *
-riscix_some_aout_object_p (abfd, execp, callback_to_real_object_p)
- bfd *abfd;
- struct internal_exec *execp;
- const bfd_target *(*callback_to_real_object_p) PARAMS ((bfd *));
+static const bfd_target *
+riscix_some_aout_object_p (bfd *abfd,
+ struct internal_exec *execp,
+ const bfd_target *(*callback_to_real_object_p) (bfd *))
{
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 = bfd_zalloc (abfd, amt);
if (rawptr == NULL)
- return 0;
+ return NULL;
oldrawptr = abfd->tdata.aout_data;
abfd->tdata.aout_data = rawptr;
*abfd->tdata.aout_data = *oldrawptr;
abfd->tdata.aout_data->a.hdr = &rawptr->e;
- *(abfd->tdata.aout_data->a.hdr) = *execp; /* Copy in the internal_exec
- struct */
+ /* Copy in the internal_exec struct. */
+ *(abfd->tdata.aout_data->a.hdr) = *execp;
execp = abfd->tdata.aout_data->a.hdr;
- /* Set the file flags */
+ /* Set the file flags. */
abfd->flags = BFD_NO_FLAGS;
if (execp->a_drsize || execp->a_trsize)
abfd->flags |= HAS_RELOC;
- /* Setting of EXEC_P has been deferred to the bottom of this function */
+ /* Setting of EXEC_P has been deferred to the bottom of this function. */
if (execp->a_syms)
abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
- if (N_DYNAMIC(*execp))
+ if (N_DYNAMIC (execp))
abfd->flags |= DYNAMIC;
-
- if ((execp->a_info & MF_SQUEEZED) != 0) /* Squeezed files aren't supported
- (yet)! */
+ /* Squeezed files aren't supported (yet)! */
+ if ((execp->a_info & MF_SQUEEZED) != 0)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- else if ((execp->a_info & MF_IS_SL) != 0) /* Nor are shared libraries */
+ else if ((execp->a_info & MF_IS_SL) != 0)
{
+ /* Nor are shared libraries. */
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- else if (N_MAGIC (*execp) == ZMAGIC)
+ else if (N_MAGIC (execp) == ZMAGIC)
{
abfd->flags |= D_PAGED | WP_TEXT;
adata (abfd).magic = z_magic;
}
- else if (N_MAGIC (*execp) == NMAGIC)
+ else if (N_MAGIC (execp) == NMAGIC)
{
abfd->flags |= WP_TEXT;
adata (abfd).magic = n_magic;
}
- else if (N_MAGIC (*execp) == OMAGIC)
+ else if (N_MAGIC (execp) == OMAGIC)
adata (abfd).magic = o_magic;
else
- {
- /* Should have been checked with N_BADMAG before this routine
- was called. */
- abort ();
- }
+ /* Should have been checked with N_BADMAG before this routine
+ was called. */
+ abort ();
bfd_get_start_address (abfd) = execp->a_entry;
- obj_aout_symbols (abfd) = (aout_symbol_type *)NULL;
+ obj_aout_symbols (abfd) = NULL;
bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct external_nlist);
/* 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;
obj_aout_external_strings (abfd) = NULL;
obj_aout_sym_hashes (abfd) = NULL;
- if (! NAME(aout,make_sections) (abfd))
+ if (! NAME (aout, make_sections) (abfd))
return NULL;
- obj_datasec (abfd)->_raw_size = execp->a_data;
- obj_bsssec (abfd)->_raw_size = execp->a_bss;
+ obj_datasec (abfd)->size = execp->a_data;
+ obj_bsssec (abfd)->size = execp->a_bss;
obj_textsec (abfd)->flags =
(execp->a_trsize != 0
: (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
- * a.out file has no information about the text start address. For
- * files (like kernels) linked to non-standard addresses (ld -Ttext
- * nnn) the entry point may not be between the default text start
- * (obj_textsec(abfd)->vma) and (obj_textsec(abfd)->vma) + text size
- * This is not just a mach issue. Many kernels are loaded at non
- * standard addresses.
- */
+ a.out file has no information about the text start address. For
+ files (like kernels) linked to non-standard addresses (ld -Ttext
+ nnn) the entry point may not be between the default text start
+ (obj_textsec(abfd)->vma) and (obj_textsec(abfd)->vma) + text size
+ This is not just a mach issue. Many kernels are loaded at non
+ standard addresses. */
{
struct stat stat_buf;
+
if (abfd->iostream != NULL
&& (abfd->flags & BFD_IN_MEMORY) == 0
&& (fstat(fileno((FILE *) (abfd->iostream)), &stat_buf) == 0)
At some point we should probably break down and stat the file and
declare it executable if (one of) its 'x' bits are on... */
if ((execp->a_entry >= obj_textsec(abfd)->vma) &&
- (execp->a_entry < obj_textsec(abfd)->vma + obj_textsec(abfd)->_raw_size))
+ (execp->a_entry < obj_textsec(abfd)->vma + obj_textsec(abfd)->size))
abfd->flags |= EXEC_P;
#endif /* MACH */
- if (result)
- {
- }
- else
+ if (result == NULL)
{
free (rawptr);
abfd->tdata.aout_data = oldrawptr;
return result;
}
-
static const bfd_target *
-MY(object_p) (abfd)
- bfd *abfd;
+MY (object_p) (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;
- 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 ((void *) &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 NULL;
+ }
- 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 NULL;
- if (N_BADMAG (exec)) return 0;
#ifdef MACHTYPE_OK
- if (!(MACHTYPE_OK (N_MACHTYPE (exec)))) return 0;
+ if (!(MACHTYPE_OK (N_MACHTYPE (&exec))))
+ return NULL;
#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));
+ target = riscix_some_aout_object_p (abfd, & exec, MY (callback));
return target;
}
-
#include "aout-target.h"
projects / thirdparty / binutils-gdb.git / blobdiff