/* Mach-O support for BFD.
- Copyright 1999, 2000, 2001, 2002, 2003
+ Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+#include "sysdep.h"
#include "mach-o.h"
#include "bfd.h"
-#include "sysdep.h"
#include "libbfd.h"
#include "libiberty.h"
+#include "aout/stab_gnu.h"
#include <ctype.h>
-#ifndef BFD_IO_FUNCS
-#define BFD_IO_FUNCS 0
-#endif
-
-#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
-#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
-#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
-#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
-#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
-#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
-#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
-#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
-#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
-#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
-#define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
-#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
-#define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
-#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
-#define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
-#define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
-#define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
-#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
-#define bfd_mach_o_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound
-#define bfd_mach_o_canonicalize_reloc _bfd_norelocs_canonicalize_reloc
-#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
-#define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
-#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
-#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
-#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
-#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
-#define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
-#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
-#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
-#define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
-#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
-#define bfd_mach_o_set_section_contents _bfd_generic_set_section_contents
-#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
-#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
-#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
-
-static bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data
- PARAMS ((bfd *, asymbol *, bfd *, asymbol *));
-static bfd_boolean bfd_mach_o_bfd_copy_private_section_data
- PARAMS ((bfd *, asection *, bfd *, asection *));
-static bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data
- PARAMS ((bfd *, bfd *));
-static long bfd_mach_o_count_symbols
- PARAMS ((bfd *));
-static long bfd_mach_o_get_symtab_upper_bound
- PARAMS ((bfd *));
-static long bfd_mach_o_canonicalize_symtab
- PARAMS ((bfd *, asymbol **));
-static void bfd_mach_o_get_symbol_info
- PARAMS ((bfd *, asymbol *, symbol_info *));
-static void bfd_mach_o_print_symbol
- PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
-static void bfd_mach_o_convert_architecture
- PARAMS ((bfd_mach_o_cpu_type, bfd_mach_o_cpu_subtype,
- enum bfd_architecture *, unsigned long *));
-static bfd_boolean bfd_mach_o_write_contents
- PARAMS ((bfd *));
-static int bfd_mach_o_sizeof_headers
- PARAMS ((bfd *, bfd_boolean));
-static asymbol * bfd_mach_o_make_empty_symbol
- PARAMS ((bfd *));
-static int bfd_mach_o_write_header
- PARAMS ((bfd *, bfd_mach_o_header *));
-static int bfd_mach_o_read_header
- PARAMS ((bfd *, bfd_mach_o_header *));
-static asection * bfd_mach_o_make_bfd_section
- PARAMS ((bfd *, bfd_mach_o_section *));
-static int bfd_mach_o_scan_read_section
- PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma));
-static int bfd_mach_o_scan_write_section
- PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma));
-static int bfd_mach_o_scan_write_symtab_symbols
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_thread
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dylinker
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dylib
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_prebound_dylib
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_thread
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_symtab
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dysymtab
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_symtab
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_segment
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_segment
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_command
- PARAMS ((bfd *, bfd_mach_o_load_command *));
-static void bfd_mach_o_flatten_sections
- PARAMS ((bfd *));
-static const char * bfd_mach_o_i386_flavour_string
- PARAMS ((unsigned int));
-static const char * bfd_mach_o_ppc_flavour_string
- PARAMS ((unsigned int));
-
-/* The flags field of a section structure is separated into two parts a section
- type and section attributes. The section types are mutually exclusive (it
- can only have one type) but the section attributes are not (it may have more
- than one attribute). */
-
-#define SECTION_TYPE 0x000000ff /* 256 section types. */
-#define SECTION_ATTRIBUTES 0xffffff00 /* 24 section attributes. */
-
-/* Constants for the section attributes part of the flags field of a section
- structure. */
-
-#define SECTION_ATTRIBUTES_USR 0xff000000 /* User-settable attributes. */
-#define S_ATTR_PURE_INSTRUCTIONS 0x80000000 /* Section contains only true machine instructions. */
-#define SECTION_ATTRIBUTES_SYS 0x00ffff00 /* System setable attributes. */
-#define S_ATTR_SOME_INSTRUCTIONS 0x00000400 /* Section contains some machine instructions. */
-#define S_ATTR_EXT_RELOC 0x00000200 /* Section has external relocation entries. */
-#define S_ATTR_LOC_RELOC 0x00000100 /* Section has local relocation entries. */
-
-#define N_STAB 0xe0
-#define N_TYPE 0x1e
-#define N_EXT 0x01
-#define N_UNDF 0x0
-#define N_ABS 0x2
-#define N_SECT 0xe
-#define N_INDR 0xa
+#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
+#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
+#define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject
+
+#define FILE_ALIGN(off, algn) \
+ (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
+
+static int bfd_mach_o_read_symtab_symbols (bfd *);
+
+unsigned int
+bfd_mach_o_version (bfd *abfd)
+{
+ bfd_mach_o_data_struct *mdata = NULL;
+
+ BFD_ASSERT (bfd_mach_o_valid (abfd));
+ mdata = bfd_mach_o_get_data (abfd);
+
+ return mdata->header.version;
+}
bfd_boolean
-bfd_mach_o_valid (abfd)
- bfd *abfd;
+bfd_mach_o_valid (bfd *abfd)
{
if (abfd == NULL || abfd->xvec == NULL)
- return 0;
+ return FALSE;
- if (! ((abfd->xvec == &mach_o_be_vec)
- || (abfd->xvec == &mach_o_le_vec)
- || (abfd->xvec == &mach_o_fat_vec)))
- return 0;
+ if (abfd->xvec->flavour != bfd_target_mach_o_flavour)
+ return FALSE;
+
+ if (bfd_mach_o_get_data (abfd) == NULL)
+ return FALSE;
+ return TRUE;
+}
+
+static INLINE bfd_boolean
+mach_o_wide_p (bfd_mach_o_header *header)
+{
+ switch (header->version)
+ {
+ case 1:
+ return FALSE;
+ case 2:
+ return TRUE;
+ default:
+ BFD_FAIL ();
+ return FALSE;
+ }
+}
+
+static INLINE bfd_boolean
+bfd_mach_o_wide_p (bfd *abfd)
+{
+ return mach_o_wide_p (&bfd_mach_o_get_data (abfd)->header);
+}
+
+/* Tables to translate well known Mach-O segment/section names to bfd
+ names. Use of canonical names (such as .text or .debug_frame) is required
+ by gdb. */
+
+struct mach_o_section_name_xlat
+{
+ const char *bfd_name;
+ const char *mach_o_name;
+ flagword flags;
+};
+
+static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
+ {
+ { ".debug_frame", "__debug_frame", SEC_DEBUGGING },
+ { ".debug_info", "__debug_info", SEC_DEBUGGING },
+ { ".debug_abbrev", "__debug_abbrev", SEC_DEBUGGING },
+ { ".debug_aranges", "__debug_aranges", SEC_DEBUGGING },
+ { ".debug_macinfo", "__debug_macinfo", SEC_DEBUGGING },
+ { ".debug_line", "__debug_line", SEC_DEBUGGING },
+ { ".debug_loc", "__debug_loc", SEC_DEBUGGING },
+ { ".debug_pubnames", "__debug_pubnames", SEC_DEBUGGING },
+ { ".debug_pubtypes", "__debug_pubtypes", SEC_DEBUGGING },
+ { ".debug_str", "__debug_str", SEC_DEBUGGING },
+ { ".debug_ranges", "__debug_ranges", SEC_DEBUGGING },
+ { NULL, NULL, 0}
+ };
+
+static const struct mach_o_section_name_xlat text_section_names_xlat[] =
+ {
+ { ".text", "__text", SEC_CODE | SEC_LOAD },
+ { ".const", "__const", SEC_READONLY | SEC_DATA | SEC_LOAD },
+ { ".cstring", "__cstring", SEC_READONLY | SEC_DATA | SEC_LOAD },
+ { ".eh_frame", "__eh_frame", SEC_READONLY | SEC_LOAD },
+ { NULL, NULL, 0}
+ };
+
+static const struct mach_o_section_name_xlat data_section_names_xlat[] =
+ {
+ { ".data", "__data", SEC_DATA | SEC_LOAD },
+ { ".const_data", "__const", SEC_DATA | SEC_LOAD },
+ { ".dyld", "__dyld", SEC_DATA | SEC_LOAD },
+ { ".lazy_symbol_ptr", "__la_symbol_ptr", SEC_DATA | SEC_LOAD },
+ { ".non_lazy_symbol_ptr", "__nl_symbol_ptr", SEC_DATA | SEC_LOAD },
+ { ".bss", "__bss", SEC_NO_FLAGS },
+ { NULL, NULL, 0}
+ };
+
+struct mach_o_segment_name_xlat
+{
+ const char *segname;
+ const struct mach_o_section_name_xlat *sections;
+};
+
+static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
+ {
+ { "__DWARF", dwarf_section_names_xlat },
+ { "__TEXT", text_section_names_xlat },
+ { "__DATA", data_section_names_xlat },
+ { NULL, NULL }
+ };
+
+
+/* Mach-O to bfd names. */
+
+static void
+bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section,
+ char **name, flagword *flags)
+{
+ const struct mach_o_segment_name_xlat *seg;
+ char *res;
+ unsigned int len;
+ const char *pfx = "";
+
+ *name = NULL;
+ *flags = SEC_NO_FLAGS;
+
+ for (seg = segsec_names_xlat; seg->segname; seg++)
+ {
+ if (strcmp (seg->segname, section->segname) == 0)
+ {
+ const struct mach_o_section_name_xlat *sec;
+
+ for (sec = seg->sections; sec->mach_o_name; sec++)
+ {
+ if (strcmp (sec->mach_o_name, section->sectname) == 0)
+ {
+ len = strlen (sec->bfd_name);
+ res = bfd_alloc (abfd, len + 1);
+
+ if (res == NULL)
+ return;
+ strcpy (res, sec->bfd_name);
+ *name = res;
+ *flags = sec->flags;
+ return;
+ }
+ }
+ }
+ }
+
+ len = strlen (section->segname) + 1
+ + strlen (section->sectname) + 1;
+
+ /* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
+ with an underscore. */
+ if (section->segname[0] != '_')
+ {
+ static const char seg_pfx[] = "LC_SEGMENT.";
+
+ pfx = seg_pfx;
+ len += sizeof (seg_pfx) - 1;
+ }
+
+ res = bfd_alloc (abfd, len);
+ if (res == NULL)
+ return;
+ snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
+ *name = res;
+}
+
+/* Convert a bfd section name to a Mach-O segment + section name. */
+
+static void
+bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *sect,
+ bfd_mach_o_section *section)
+{
+ const struct mach_o_segment_name_xlat *seg;
+ const char *name = bfd_get_section_name (abfd, sect);
+ const char *dot;
+ unsigned int len;
+ unsigned int seglen;
+ unsigned int seclen;
+
+ /* List of well known names. They all start with a dot. */
+ if (name[0] == '.')
+ for (seg = segsec_names_xlat; seg->segname; seg++)
+ {
+ const struct mach_o_section_name_xlat *sec;
+
+ for (sec = seg->sections; sec->mach_o_name; sec++)
+ {
+ if (strcmp (sec->bfd_name, name) == 0)
+ {
+ strcpy (section->segname, seg->segname);
+ strcpy (section->sectname, sec->mach_o_name);
+ return;
+ }
+ }
+ }
+
+ /* Strip LC_SEGMENT. prefix. */
+ if (strncmp (name, "LC_SEGMENT.", 11) == 0)
+ name += 11;
+
+ /* Find a dot. */
+ dot = strchr (name, '.');
+ len = strlen (name);
- if (abfd->tdata.mach_o_data == NULL)
+ /* Try to split name into segment and section names. */
+ if (dot && dot != name)
+ {
+ seglen = dot - name;
+ seclen = len - (dot + 1 - name);
+
+ if (seglen < 16 && seclen < 16)
+ {
+ memcpy (section->segname, name, seglen);
+ section->segname[seglen] = 0;
+ memcpy (section->sectname, dot + 1, seclen);
+ section->sectname[seclen] = 0;
+ return;
+ }
+ }
+
+ if (len > 16)
+ len = 16;
+ memcpy (section->segname, name, len);
+ section->segname[len] = 0;
+ memcpy (section->sectname, name, len);
+ section->sectname[len] = 0;
+}
+
+/* Return the size of an entry for section SEC.
+ Must be called only for symbol pointer section and symbol stubs
+ sections. */
+
+static unsigned int
+bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
+{
+ switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ {
+ case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
+ return bfd_mach_o_wide_p (abfd) ? 8 : 4;
+ case BFD_MACH_O_S_SYMBOL_STUBS:
+ return sec->reserved2;
+ default:
+ BFD_FAIL ();
+ return 0;
+ }
+}
+
+/* Return the number of indirect symbols for a section.
+ Must be called only for symbol pointer section and symbol stubs
+ sections. */
+
+static unsigned int
+bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
+{
+ unsigned int elsz;
+
+ elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
+ if (elsz == 0)
return 0;
- return 1;
+ else
+ return sec->size / elsz;
}
+
/* Copy any private info we understand from the input symbol
to the output symbol. */
-static bfd_boolean
-bfd_mach_o_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol)
- bfd *ibfd ATTRIBUTE_UNUSED;
- asymbol *isymbol ATTRIBUTE_UNUSED;
- bfd *obfd ATTRIBUTE_UNUSED;
- asymbol *osymbol ATTRIBUTE_UNUSED;
+bfd_boolean
+bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
+ asymbol *isymbol ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED,
+ asymbol *osymbol ATTRIBUTE_UNUSED)
{
return TRUE;
}
/* Copy any private info we understand from the input section
to the output section. */
-static bfd_boolean
-bfd_mach_o_bfd_copy_private_section_data (ibfd, isection, obfd, osection)
- bfd *ibfd ATTRIBUTE_UNUSED;
- asection *isection ATTRIBUTE_UNUSED;
- bfd *obfd ATTRIBUTE_UNUSED;
- asection *osection ATTRIBUTE_UNUSED;
+bfd_boolean
+bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
+ asection *isection ATTRIBUTE_UNUSED,
+ bfd *obfd ATTRIBUTE_UNUSED,
+ asection *osection ATTRIBUTE_UNUSED)
{
return TRUE;
}
/* Copy any private info we understand from the input bfd
to the output bfd. */
-static bfd_boolean
-bfd_mach_o_bfd_copy_private_bfd_data (ibfd, obfd)
- bfd *ibfd;
- bfd *obfd;
+bfd_boolean
+bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
+ if (bfd_get_flavour (ibfd) != bfd_target_mach_o_flavour
+ || bfd_get_flavour (obfd) != bfd_target_mach_o_flavour)
+ return TRUE;
+
BFD_ASSERT (bfd_mach_o_valid (ibfd));
BFD_ASSERT (bfd_mach_o_valid (obfd));
- obfd->tdata.mach_o_data = ibfd->tdata.mach_o_data;
- obfd->tdata.mach_o_data->ibfd = ibfd;
+ /* FIXME: copy commands. */
+
return TRUE;
}
+/* Count the total number of symbols. */
+
static long
-bfd_mach_o_count_symbols (abfd)
- bfd *abfd;
+bfd_mach_o_count_symbols (bfd *abfd)
{
- bfd_mach_o_data_struct *mdata = NULL;
- long nsyms = 0;
- unsigned long i;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
- BFD_ASSERT (bfd_mach_o_valid (abfd));
- mdata = abfd->tdata.mach_o_data;
-
- for (i = 0; i < mdata->header.ncmds; i++)
- if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB)
- {
- bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab;
- nsyms += sym->nsyms;
- }
-
- return nsyms;
+ if (mdata->symtab == NULL)
+ return 0;
+ return mdata->symtab->nsyms;
}
-static long
-bfd_mach_o_get_symtab_upper_bound (abfd)
- bfd *abfd;
+long
+bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
{
long nsyms = bfd_mach_o_count_symbols (abfd);
- if (nsyms < 0)
- return nsyms;
-
return ((nsyms + 1) * sizeof (asymbol *));
}
-static long
-bfd_mach_o_canonicalize_symtab (abfd, alocation)
- bfd *abfd;
- asymbol **alocation;
+long
+bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
long nsyms = bfd_mach_o_count_symbols (abfd);
- asymbol **csym = alocation;
- unsigned long i, j;
+ bfd_mach_o_symtab_command *sym = mdata->symtab;
+ unsigned long j;
if (nsyms < 0)
return nsyms;
- for (i = 0; i < mdata->header.ncmds; i++)
+ if (bfd_mach_o_read_symtab_symbols (abfd) != 0)
{
- if (mdata->commands[i].type == BFD_MACH_O_LC_SYMTAB)
- {
- bfd_mach_o_symtab_command *sym = &mdata->commands[i].command.symtab;
+ fprintf (stderr,
+ "bfd_mach_o_canonicalize_symtab: unable to load symbols\n");
+ return 0;
+ }
- if (bfd_mach_o_scan_read_symtab_symbols (abfd, &mdata->commands[i].command.symtab) != 0)
- {
- fprintf (stderr, "bfd_mach_o_canonicalize_symtab: unable to load symbols for section %lu\n", i);
- return 0;
- }
+ BFD_ASSERT (sym->symbols != NULL);
- BFD_ASSERT (sym->symbols != NULL);
+ for (j = 0; j < sym->nsyms; j++)
+ alocation[j] = &sym->symbols[j].symbol;
- for (j = 0; j < sym->nsyms; j++)
- {
- BFD_ASSERT (csym < (alocation + nsyms));
- *csym++ = &sym->symbols[j];
- }
- }
+ alocation[j] = NULL;
+
+ return nsyms;
+}
+
+long
+bfd_mach_o_get_synthetic_symtab (bfd *abfd,
+ long symcount ATTRIBUTE_UNUSED,
+ asymbol **syms ATTRIBUTE_UNUSED,
+ long dynsymcount ATTRIBUTE_UNUSED,
+ asymbol **dynsyms ATTRIBUTE_UNUSED,
+ asymbol **ret)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
+ bfd_mach_o_symtab_command *symtab = mdata->symtab;
+ asymbol *s;
+ unsigned long count, i, j, n;
+ size_t size;
+ char *names;
+ char *nul_name;
+
+ *ret = NULL;
+
+ if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
+ return 0;
+
+ if (dysymtab->nindirectsyms == 0)
+ return 0;
+
+ count = dysymtab->nindirectsyms;
+ size = count * sizeof (asymbol) + 1;
+
+ for (j = 0; j < count; j++)
+ {
+ unsigned int isym = dysymtab->indirect_syms[j];
+
+ if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
+ size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
}
- *csym++ = NULL;
+ s = *ret = (asymbol *) bfd_malloc (size);
+ if (s == NULL)
+ return -1;
+ names = (char *) (s + count);
+ nul_name = names;
+ *names++ = 0;
+
+ n = 0;
+ for (i = 0; i < mdata->nsects; i++)
+ {
+ bfd_mach_o_section *sec = mdata->sections[i];
+ unsigned int first, last;
+ bfd_vma addr;
+ bfd_vma entry_size;
+
+ switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ {
+ case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_SYMBOL_STUBS:
+ first = sec->reserved1;
+ last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
+ addr = sec->addr;
+ entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
+ for (j = first; j < last; j++)
+ {
+ unsigned int isym = dysymtab->indirect_syms[j];
+
+ s->flags = BSF_GLOBAL | BSF_SYNTHETIC;
+ s->section = sec->bfdsection;
+ s->value = addr - sec->addr;
+ s->udata.p = NULL;
+
+ if (isym < symtab->nsyms
+ && symtab->symbols[isym].symbol.name)
+ {
+ const char *sym = symtab->symbols[isym].symbol.name;
+ size_t len;
+
+ s->name = names;
+ len = strlen (sym);
+ memcpy (names, sym, len);
+ names += len;
+ memcpy (names, "$stub", sizeof ("$stub"));
+ names += sizeof ("$stub");
+ }
+ else
+ s->name = nul_name;
+
+ addr += entry_size;
+ s++;
+ n++;
+ }
+ break;
+ default:
+ break;
+ }
+ }
- return nsyms;
+ return n;
}
-static void
-bfd_mach_o_get_symbol_info (abfd, symbol, ret)
- bfd *abfd ATTRIBUTE_UNUSED;
- asymbol *symbol;
- symbol_info *ret;
+void
+bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *symbol,
+ symbol_info *ret)
{
bfd_symbol_info (symbol, ret);
}
-static void
-bfd_mach_o_print_symbol (abfd, afile, symbol, how)
- bfd *abfd;
- PTR afile;
- asymbol *symbol;
- bfd_print_symbol_type how;
+void
+bfd_mach_o_print_symbol (bfd *abfd,
+ void * afile,
+ asymbol *symbol,
+ bfd_print_symbol_type how)
{
FILE *file = (FILE *) afile;
+ const char *name;
+ bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
switch (how)
{
fprintf (file, "%s", symbol->name);
break;
default:
- bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
- fprintf (file, " %-5s %s", symbol->section->name, symbol->name);
+ bfd_print_symbol_vandf (abfd, (void *) file, symbol);
+ if (asym->n_type & BFD_MACH_O_N_STAB)
+ name = bfd_get_stab_name (asym->n_type);
+ else
+ switch (asym->n_type & BFD_MACH_O_N_TYPE)
+ {
+ case BFD_MACH_O_N_UNDF:
+ name = "UND";
+ break;
+ case BFD_MACH_O_N_ABS:
+ name = "ABS";
+ break;
+ case BFD_MACH_O_N_INDR:
+ name = "INDR";
+ break;
+ case BFD_MACH_O_N_PBUD:
+ name = "PBUD";
+ break;
+ case BFD_MACH_O_N_SECT:
+ name = "SECT";
+ break;
+ default:
+ name = "???";
+ break;
+ }
+ if (name == NULL)
+ name = "";
+ fprintf (file, " %02x %-6s %02x %04x",
+ asym->n_type, name, asym->n_sect, asym->n_desc);
+ if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
+ && (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
+ fprintf (file, " %-5s", symbol->section->name);
+ fprintf (file, " %s", symbol->name);
}
}
static void
-bfd_mach_o_convert_architecture (mtype, msubtype, type, subtype)
- bfd_mach_o_cpu_type mtype;
- bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED;
- enum bfd_architecture *type;
- unsigned long *subtype;
+bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
+ bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
+ enum bfd_architecture *type,
+ unsigned long *subtype)
{
*subtype = bfd_arch_unknown;
{
case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
- case BFD_MACH_O_CPU_TYPE_I386: *type = bfd_arch_i386; break;
+ case BFD_MACH_O_CPU_TYPE_I386:
+ *type = bfd_arch_i386;
+ *subtype = bfd_mach_i386_i386;
+ break;
+ case BFD_MACH_O_CPU_TYPE_X86_64:
+ *type = bfd_arch_i386;
+ *subtype = bfd_mach_x86_64;
+ break;
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
- case BFD_MACH_O_CPU_TYPE_SPARC: *type = bfd_arch_sparc; break;
+ case BFD_MACH_O_CPU_TYPE_SPARC:
+ *type = bfd_arch_sparc;
+ *subtype = bfd_mach_sparc;
+ break;
case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
- case BFD_MACH_O_CPU_TYPE_POWERPC: *type = bfd_arch_powerpc; break;
- default: *type = bfd_arch_unknown; break;
+ case BFD_MACH_O_CPU_TYPE_POWERPC:
+ *type = bfd_arch_powerpc;
+ *subtype = bfd_mach_ppc;
+ break;
+ case BFD_MACH_O_CPU_TYPE_POWERPC_64:
+ *type = bfd_arch_powerpc;
+ *subtype = bfd_mach_ppc64;
+ break;
+ default:
+ *type = bfd_arch_unknown;
+ break;
}
+}
- switch (*type)
+static bfd_boolean
+bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
+{
+ unsigned char buf[32];
+ unsigned int size;
+
+ size = mach_o_wide_p (header) ?
+ BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
+
+ bfd_h_put_32 (abfd, header->magic, buf + 0);
+ bfd_h_put_32 (abfd, header->cputype, buf + 4);
+ bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
+ bfd_h_put_32 (abfd, header->filetype, buf + 12);
+ bfd_h_put_32 (abfd, header->ncmds, buf + 16);
+ bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
+ bfd_h_put_32 (abfd, header->flags, buf + 24);
+
+ if (mach_o_wide_p (header))
+ bfd_h_put_32 (abfd, header->reserved, buf + 28);
+
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bwrite ((void *) buf, size, abfd) != size)
+ return FALSE;
+
+ return TRUE;
+}
+
+static int
+bfd_mach_o_write_thread (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_thread_command *cmd = &command->command.thread;
+ unsigned int i;
+ unsigned char buf[8];
+ unsigned int offset;
+ unsigned int nflavours;
+
+ BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
+ || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
+
+ offset = 8;
+ nflavours = 0;
+ for (i = 0; i < cmd->nflavours; i++)
{
- case bfd_arch_i386: *subtype = bfd_mach_i386_i386; break;
- case bfd_arch_sparc: *subtype = bfd_mach_sparc; break;
- default:
- *subtype = bfd_arch_unknown;
+ BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
+ BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
+
+ bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
+ bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
+
+ if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
+ || bfd_bwrite ((void *) buf, 8, abfd) != 8)
+ return -1;
+
+ offset += cmd->flavours[i].size + 8;
+ }
+
+ return 0;
+}
+
+long
+bfd_mach_o_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
+ asection *asect)
+{
+ return (asect->reloc_count + 1) * sizeof (arelent *);
+}
+
+static int
+bfd_mach_o_canonicalize_one_reloc (bfd *abfd, char *buf,
+ arelent *res, asymbol **syms)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+ bfd_mach_o_reloc_info reloc;
+ bfd_vma addr;
+ bfd_vma symnum;
+ asymbol **sym;
+
+ addr = bfd_get_32 (abfd, buf + 0);
+ symnum = bfd_get_32 (abfd, buf + 4);
+
+ if (addr & BFD_MACH_O_SR_SCATTERED)
+ {
+ unsigned int j;
+
+ /* Scattered relocation.
+ Extract section and offset from r_value. */
+ res->sym_ptr_ptr = NULL;
+ res->addend = 0;
+ for (j = 0; j < mdata->nsects; j++)
+ {
+ bfd_mach_o_section *sect = mdata->sections[j];
+ if (symnum >= sect->addr && symnum < sect->addr + sect->size)
+ {
+ res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
+ res->addend = symnum - sect->addr;
+ break;
+ }
+ }
+ res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
+ reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
+ reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
+ reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
+ reloc.r_scattered = 1;
+ }
+ else
+ {
+ unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
+ res->addend = 0;
+ res->address = addr;
+ if (symnum & BFD_MACH_O_R_EXTERN)
+ sym = syms + num;
+ else
+ {
+ BFD_ASSERT (num != 0);
+ BFD_ASSERT (num <= mdata->nsects);
+ sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
+ }
+ res->sym_ptr_ptr = sym;
+ reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
+ reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
+ reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
+ reloc.r_scattered = 0;
+ }
+
+ if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
+ return -1;
+ return 0;
+}
+
+static int
+bfd_mach_o_canonicalize_relocs (bfd *abfd, unsigned long filepos,
+ unsigned long count,
+ arelent *res, asymbol **syms)
+{
+ unsigned long i;
+ char *native_relocs;
+ bfd_size_type native_size;
+
+ /* Allocate and read relocs. */
+ native_size = count * BFD_MACH_O_RELENT_SIZE;
+ native_relocs = bfd_malloc (native_size);
+ if (native_relocs == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, filepos, SEEK_SET) != 0
+ || bfd_bread (native_relocs, native_size, abfd) != native_size)
+ goto err;
+
+ for (i = 0; i < count; i++)
+ {
+ char *buf = native_relocs + BFD_MACH_O_RELENT_SIZE * i;
+
+ if (bfd_mach_o_canonicalize_one_reloc (abfd, buf, &res[i], syms) < 0)
+ goto err;
+ }
+ free (native_relocs);
+ return i;
+ err:
+ free (native_relocs);
+ return -1;
+}
+
+long
+bfd_mach_o_canonicalize_reloc (bfd *abfd, asection *asect,
+ arelent **rels, asymbol **syms)
+{
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+ unsigned long i;
+ arelent *res;
+
+ if (asect->reloc_count == 0)
+ return 0;
+
+ /* No need to go further if we don't know how to read relocs. */
+ if (bed->_bfd_mach_o_swap_reloc_in == NULL)
+ return 0;
+
+ res = bfd_malloc (asect->reloc_count * sizeof (arelent));
+ if (res == NULL)
+ return -1;
+
+ if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
+ asect->reloc_count, res, syms) < 0)
+ {
+ free (res);
+ return -1;
+ }
+
+ for (i = 0; i < asect->reloc_count; i++)
+ rels[i] = &res[i];
+ rels[i] = NULL;
+ asect->relocation = res;
+
+ return i;
+}
+
+long
+bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *abfd)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+
+ if (mdata->dysymtab == NULL)
+ return 1;
+ return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
+ * sizeof (arelent *);
+}
+
+long
+bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
+ struct bfd_symbol **syms)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_dysymtab_command *dysymtab = mdata->dysymtab;
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+ unsigned long i;
+ arelent *res;
+
+ if (dysymtab == NULL)
+ return 0;
+ if (dysymtab->nextrel == 0 && dysymtab->nlocrel == 0)
+ return 0;
+
+ /* No need to go further if we don't know how to read relocs. */
+ if (bed->_bfd_mach_o_swap_reloc_in == NULL)
+ return 0;
+
+ res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
+ if (res == NULL)
+ return -1;
+
+ if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
+ dysymtab->nextrel, res, syms) < 0)
+ {
+ free (res);
+ return -1;
+ }
+
+ if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->locreloff,
+ dysymtab->nlocrel,
+ res + dysymtab->nextrel, syms) < 0)
+ {
+ free (res);
+ return -1;
}
+
+ for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
+ rels[i] = &res[i];
+ rels[i] = NULL;
+ return i;
}
static bfd_boolean
-bfd_mach_o_write_contents (abfd)
- bfd *abfd;
+bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned int i;
- asection *s;
+ arelent **entries;
+ asection *sec;
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+ sec = section->bfdsection;
+ if (sec->reloc_count == 0)
+ return TRUE;
- /* Write data sections first in case they overlap header data to be
- written later. */
+ if (bed->_bfd_mach_o_swap_reloc_out == NULL)
+ return TRUE;
- for (s = abfd->sections; s != (asection *) NULL; s = s->next)
- ;
+ /* Allocate relocation room. */
+ mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
+ section->nreloc = sec->reloc_count;
+ sec->rel_filepos = mdata->filelen;
+ section->reloff = sec->rel_filepos;
+ mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
-#if 0
- for (i = 0; i < mdata->header.ncmds; i++)
+ if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
+ return FALSE;
+
+ /* Convert and write. */
+ entries = section->bfdsection->orelocation;
+ for (i = 0; i < section->nreloc; i++)
{
- bfd_mach_o_load_command *cur = &mdata->commands[i];
- if (cur->type != BFD_MACH_O_LC_SEGMENT)
- break;
+ arelent *rel = entries[i];
+ char buf[8];
+ bfd_mach_o_reloc_info info, *pinfo = &info;
+
+ /* Convert relocation to an intermediate representation. */
+ if (!(*bed->_bfd_mach_o_swap_reloc_out) (rel, pinfo))
+ return FALSE;
+
+ /* Lower the relocation info. */
+ if (pinfo->r_scattered)
+ {
+ unsigned long v;
+
+ v = BFD_MACH_O_SR_SCATTERED
+ | (pinfo->r_pcrel ? BFD_MACH_O_SR_PCREL : 0)
+ | BFD_MACH_O_SET_SR_LENGTH(pinfo->r_length)
+ | BFD_MACH_O_SET_SR_TYPE(pinfo->r_type)
+ | BFD_MACH_O_SET_SR_ADDRESS(pinfo->r_address);
+ bfd_put_32 (abfd, v, buf);
+ bfd_put_32 (abfd, pinfo->r_value, buf + 4);
+ }
+ else
+ {
+ unsigned long v;
+
+ bfd_put_32 (abfd, pinfo->r_address, buf);
+ v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
+ | (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
+ | BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
+ | (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
+ | BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
+ bfd_put_32 (abfd, v, buf + 4);
+ }
+
+ if (bfd_bwrite ((void *) buf, BFD_MACH_O_RELENT_SIZE, abfd)
+ != BFD_MACH_O_RELENT_SIZE)
+ return FALSE;
+ }
+ return TRUE;
+}
- {
- bfd_mach_o_segment_command *seg = &cur->command.segment;
- char buf[1024];
- bfd_vma nbytes = seg->filesize;
- bfd_vma curoff = seg->fileoff;
+static int
+bfd_mach_o_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
+{
+ unsigned char buf[BFD_MACH_O_SECTION_SIZE];
- while (nbytes > 0)
- {
- bfd_vma thisread = nbytes;
+ memcpy (buf, section->sectname, 16);
+ memcpy (buf + 16, section->segname, 16);
+ bfd_h_put_32 (abfd, section->addr, buf + 32);
+ bfd_h_put_32 (abfd, section->size, buf + 36);
+ bfd_h_put_32 (abfd, section->offset, buf + 40);
+ bfd_h_put_32 (abfd, section->align, buf + 44);
+ bfd_h_put_32 (abfd, section->reloff, buf + 48);
+ bfd_h_put_32 (abfd, section->nreloc, buf + 52);
+ bfd_h_put_32 (abfd, section->flags, buf + 56);
+ bfd_h_put_32 (abfd, section->reserved1, buf + 60);
+ bfd_h_put_32 (abfd, section->reserved2, buf + 64);
+
+ if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
+ != BFD_MACH_O_SECTION_SIZE)
+ return -1;
+
+ return 0;
+}
- if (thisread > 1024)
- thisread = 1024;
+static int
+bfd_mach_o_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
+{
+ unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
- return FALSE;
+ memcpy (buf, section->sectname, 16);
+ memcpy (buf + 16, section->segname, 16);
+ bfd_h_put_64 (abfd, section->addr, buf + 32);
+ bfd_h_put_64 (abfd, section->size, buf + 40);
+ bfd_h_put_32 (abfd, section->offset, buf + 48);
+ bfd_h_put_32 (abfd, section->align, buf + 52);
+ bfd_h_put_32 (abfd, section->reloff, buf + 56);
+ bfd_h_put_32 (abfd, section->nreloc, buf + 60);
+ bfd_h_put_32 (abfd, section->flags, buf + 64);
+ bfd_h_put_32 (abfd, section->reserved1, buf + 68);
+ bfd_h_put_32 (abfd, section->reserved2, buf + 72);
+ bfd_h_put_32 (abfd, section->reserved3, buf + 76);
+
+ if (bfd_bwrite ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
+ != BFD_MACH_O_SECTION_64_SIZE)
+ return -1;
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
- return FALSE;
+ return 0;
+}
- nbytes -= thisread;
- curoff += thisread;
- }
- }
- }
-#endif
+static int
+bfd_mach_o_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
+ bfd_mach_o_segment_command *seg = &command->command.segment;
+ unsigned long i;
+
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
+
+ for (i = 0; i < seg->nsects; i++)
+ if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
+ return -1;
+
+ memcpy (buf, seg->segname, 16);
+ bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
+ bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
+ bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
+ bfd_h_put_32 (abfd, seg->filesize, buf + 28);
+ bfd_h_put_32 (abfd, seg->maxprot, buf + 32);
+ bfd_h_put_32 (abfd, seg->initprot, buf + 36);
+ bfd_h_put_32 (abfd, seg->nsects, buf + 40);
+ bfd_h_put_32 (abfd, seg->flags, buf + 44);
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_SIZE - 8, abfd)
+ != BFD_MACH_O_LC_SEGMENT_SIZE - 8))
+ return -1;
+
+ for (i = 0; i < seg->nsects; i++)
+ if (bfd_mach_o_write_section_32 (abfd, &seg->sections[i]))
+ return -1;
+
+ return 0;
+}
+
+static int
+bfd_mach_o_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ unsigned char buf[BFD_MACH_O_LC_SEGMENT_64_SIZE];
+ bfd_mach_o_segment_command *seg = &command->command.segment;
+ unsigned long i;
+
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
+
+ for (i = 0; i < seg->nsects; i++)
+ if (!bfd_mach_o_write_relocs (abfd, &seg->sections[i]))
+ return -1;
+
+ memcpy (buf, seg->segname, 16);
+ bfd_h_put_64 (abfd, seg->vmaddr, buf + 16);
+ bfd_h_put_64 (abfd, seg->vmsize, buf + 24);
+ bfd_h_put_64 (abfd, seg->fileoff, buf + 32);
+ bfd_h_put_64 (abfd, seg->filesize, buf + 40);
+ bfd_h_put_32 (abfd, seg->maxprot, buf + 48);
+ bfd_h_put_32 (abfd, seg->initprot, buf + 52);
+ bfd_h_put_32 (abfd, seg->nsects, buf + 56);
+ bfd_h_put_32 (abfd, seg->flags, buf + 60);
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || (bfd_bwrite ((void *) buf, BFD_MACH_O_LC_SEGMENT_64_SIZE - 8, abfd)
+ != BFD_MACH_O_LC_SEGMENT_64_SIZE - 8))
+ return -1;
+
+ for (i = 0; i < seg->nsects; i++)
+ if (bfd_mach_o_write_section_64 (abfd, &seg->sections[i]))
+ return -1;
+
+ return 0;
+}
+
+static bfd_boolean
+bfd_mach_o_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_symtab_command *sym = &command->command.symtab;
+ unsigned char buf[16];
+ unsigned long i;
+ unsigned int wide = bfd_mach_o_wide_p (abfd);
+ unsigned int symlen = wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
+ struct bfd_strtab_hash *strtab;
+ asymbol **symbols = bfd_get_outsymbols (abfd);
+
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+
+ /* Write the symbols first. */
+ mdata->filelen = FILE_ALIGN(mdata->filelen, wide ? 3 : 2);
+ sym->symoff = mdata->filelen;
+ if (bfd_seek (abfd, sym->symoff, SEEK_SET) != 0)
+ return FALSE;
+
+ sym->nsyms = bfd_get_symcount (abfd);
+ mdata->filelen += sym->nsyms * symlen;
+
+ strtab = _bfd_stringtab_init ();
+ if (strtab == NULL)
+ return FALSE;
+
+ for (i = 0; i < sym->nsyms; i++)
+ {
+ bfd_size_type str_index;
+ bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
+
+ /* Compute name index. */
+ /* An index of 0 always means the empty string. */
+ if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
+ str_index = 0;
+ else
+ {
+ str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
+ if (str_index == (bfd_size_type) -1)
+ goto err;
+ }
+ bfd_h_put_32 (abfd, str_index, buf);
+ bfd_h_put_8 (abfd, s->n_type, buf + 4);
+ bfd_h_put_8 (abfd, s->n_sect, buf + 5);
+ bfd_h_put_16 (abfd, s->n_desc, buf + 6);
+ if (wide)
+ bfd_h_put_64 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
+ else
+ bfd_h_put_32 (abfd, s->symbol.section->vma + s->symbol.value, buf + 8);
+
+ if (bfd_bwrite ((void *) buf, symlen, abfd) != symlen)
+ goto err;
+ }
+ sym->strsize = _bfd_stringtab_size (strtab);
+ sym->stroff = mdata->filelen;
+ mdata->filelen += sym->strsize;
+
+ if (_bfd_stringtab_emit (abfd, strtab) != TRUE)
+ goto err;
+ _bfd_stringtab_free (strtab);
+
+ /* The command. */
+ bfd_h_put_32 (abfd, sym->symoff, buf);
+ bfd_h_put_32 (abfd, sym->nsyms, buf + 4);
+ bfd_h_put_32 (abfd, sym->stroff, buf + 8);
+ bfd_h_put_32 (abfd, sym->strsize, buf + 12);
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bwrite ((void *) buf, 16, abfd) != 16)
+ return FALSE;
+
+ return TRUE;
+
+ err:
+ _bfd_stringtab_free (strtab);
+ return FALSE;
+}
+
+/* Process the symbols and generate Mach-O specific fields.
+ Number them. */
+
+static bfd_boolean
+bfd_mach_o_mangle_symbols (bfd *abfd)
+{
+ unsigned long i;
+ asymbol **symbols = bfd_get_outsymbols (abfd);
+
+ for (i = 0; i < bfd_get_symcount (abfd); i++)
+ {
+ bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
+
+ if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
+ {
+ /* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
+ symbols should be N_UNDEF | N_EXT), we suppose the back-end
+ values haven't been set. */
+ if (s->symbol.section == bfd_abs_section_ptr)
+ s->n_type = BFD_MACH_O_N_ABS;
+ else if (s->symbol.section == bfd_und_section_ptr)
+ {
+ s->n_type = BFD_MACH_O_N_UNDF;
+ if (s->symbol.flags & BSF_WEAK)
+ s->n_desc |= BFD_MACH_O_N_WEAK_REF;
+ }
+ else if (s->symbol.section == bfd_com_section_ptr)
+ s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
+ else
+ s->n_type = BFD_MACH_O_N_SECT;
+
+ if (s->symbol.flags & BSF_GLOBAL)
+ s->n_type |= BFD_MACH_O_N_EXT;
+ }
+
+ /* Compute section index. */
+ if (s->symbol.section != bfd_abs_section_ptr
+ && s->symbol.section != bfd_und_section_ptr
+ && s->symbol.section != bfd_com_section_ptr)
+ s->n_sect = s->symbol.section->target_index;
+
+ /* Number symbols. */
+ s->symbol.udata.i = i;
+ }
+ return TRUE;
+}
+
+bfd_boolean
+bfd_mach_o_write_contents (bfd *abfd)
+{
+ unsigned int i;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+
+ if (mdata->header.ncmds == 0)
+ if (!bfd_mach_o_build_commands (abfd))
+ return FALSE;
/* Now write header information. */
- if (bfd_mach_o_write_header (abfd, &mdata->header) != 0)
+ if (mdata->header.filetype == 0)
+ {
+ if (abfd->flags & EXEC_P)
+ mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
+ else if (abfd->flags & DYNAMIC)
+ mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
+ else
+ mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
+ }
+ if (!bfd_mach_o_write_header (abfd, &mdata->header))
+ return FALSE;
+
+ /* Assign a number to each symbols. */
+ if (!bfd_mach_o_mangle_symbols (abfd))
return FALSE;
for (i = 0; i < mdata->header.ncmds; i++)
bfd_mach_o_load_command *cur = &mdata->commands[i];
unsigned long typeflag;
- typeflag = cur->type_required ? cur->type & BFD_MACH_O_LC_REQ_DYLD : cur->type;
+ typeflag = cur->type | (cur->type_required ? BFD_MACH_O_LC_REQ_DYLD : 0);
bfd_h_put_32 (abfd, typeflag, buf);
bfd_h_put_32 (abfd, cur->len, buf + 4);
- bfd_seek (abfd, cur->offset, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
+ if (bfd_seek (abfd, cur->offset, SEEK_SET) != 0
+ || bfd_bwrite ((void *) buf, 8, abfd) != 8)
return FALSE;
switch (cur->type)
{
case BFD_MACH_O_LC_SEGMENT:
- if (bfd_mach_o_scan_write_segment (abfd, cur) != 0)
+ if (bfd_mach_o_write_segment_32 (abfd, cur) != 0)
+ return FALSE;
+ break;
+ case BFD_MACH_O_LC_SEGMENT_64:
+ if (bfd_mach_o_write_segment_64 (abfd, cur) != 0)
return FALSE;
break;
case BFD_MACH_O_LC_SYMTAB:
- if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0)
+ if (!bfd_mach_o_write_symtab (abfd, cur))
return FALSE;
break;
case BFD_MACH_O_LC_SYMSEG:
break;
case BFD_MACH_O_LC_THREAD:
case BFD_MACH_O_LC_UNIXTHREAD:
- if (bfd_mach_o_scan_write_thread (abfd, cur) != 0)
+ if (bfd_mach_o_write_thread (abfd, cur) != 0)
return FALSE;
break;
case BFD_MACH_O_LC_LOADFVMLIB:
case BFD_MACH_O_LC_LOAD_DYLIB:
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
case BFD_MACH_O_LC_ID_DYLIB:
+ case BFD_MACH_O_LC_REEXPORT_DYLIB:
case BFD_MACH_O_LC_LOAD_DYLINKER:
case BFD_MACH_O_LC_ID_DYLINKER:
case BFD_MACH_O_LC_PREBOUND_DYLIB:
default:
fprintf (stderr,
"unable to write unknown load command 0x%lx\n",
- (long) cur->type);
+ (unsigned long) cur->type);
return FALSE;
}
}
return TRUE;
}
-static int
-bfd_mach_o_sizeof_headers (a, b)
- bfd *a ATTRIBUTE_UNUSED;
- bfd_boolean b ATTRIBUTE_UNUSED;
+/* Build Mach-O load commands from the sections. */
+
+bfd_boolean
+bfd_mach_o_build_commands (bfd *abfd)
{
- return 0;
-}
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned int wide = mach_o_wide_p (&mdata->header);
+ bfd_mach_o_segment_command *seg;
+ bfd_mach_o_section *sections;
+ asection *sec;
+ bfd_mach_o_load_command *cmd;
+ bfd_mach_o_load_command *symtab_cmd;
+ int target_index;
+
+ /* Return now if commands are already built. */
+ if (mdata->header.ncmds)
+ return FALSE;
-/* Make an empty symbol. This is required only because
- bfd_make_section_anyway wants to create a symbol for the section. */
+ /* Very simple version: 1 command (segment) containing all sections. */
+ mdata->header.ncmds = 2;
+ mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
+ * sizeof (bfd_mach_o_load_command));
+ if (mdata->commands == NULL)
+ return FALSE;
+ cmd = &mdata->commands[0];
+ seg = &cmd->command.segment;
-static asymbol *
-bfd_mach_o_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new;
+ seg->nsects = bfd_count_sections (abfd);
+ sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
+ if (sections == NULL)
+ return FALSE;
+ seg->sections = sections;
- new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new == NULL)
- return new;
- new->the_bfd = abfd;
- return new;
+ /* Set segment command. */
+ if (wide)
+ {
+ cmd->type = BFD_MACH_O_LC_SEGMENT_64;
+ cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
+ cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
+ + BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
+ }
+ else
+ {
+ cmd->type = BFD_MACH_O_LC_SEGMENT;
+ cmd->offset = BFD_MACH_O_HEADER_SIZE;
+ cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
+ + BFD_MACH_O_SECTION_SIZE * seg->nsects;
+ }
+ cmd->type_required = FALSE;
+ mdata->header.sizeofcmds = cmd->len;
+ mdata->filelen = cmd->offset + cmd->len;
+
+ /* Set symtab command. */
+ symtab_cmd = &mdata->commands[1];
+
+ symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
+ symtab_cmd->offset = cmd->offset + cmd->len;
+ symtab_cmd->len = 6 * 4;
+ symtab_cmd->type_required = FALSE;
+
+ mdata->header.sizeofcmds += symtab_cmd->len;
+ mdata->filelen += symtab_cmd->len;
+
+ /* Fill segment command. */
+ memset (seg->segname, 0, sizeof (seg->segname));
+ seg->vmaddr = 0;
+ seg->fileoff = mdata->filelen;
+ seg->filesize = 0;
+ seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
+ | BFD_MACH_O_PROT_EXECUTE;
+ seg->initprot = seg->maxprot;
+ seg->flags = 0;
+
+ /* Create Mach-O sections. */
+ target_index = 0;
+ for (sec = abfd->sections; sec; sec = sec->next)
+ {
+ sections->bfdsection = sec;
+ bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, sections);
+ sections->addr = bfd_get_section_vma (abfd, sec);
+ sections->size = bfd_get_section_size (sec);
+ sections->align = bfd_get_section_alignment (abfd, sec);
+
+ if (sections->size != 0)
+ {
+ mdata->filelen = FILE_ALIGN (mdata->filelen, sections->align);
+ sections->offset = mdata->filelen;
+ }
+ else
+ sections->offset = 0;
+ sections->reloff = 0;
+ sections->nreloc = 0;
+ sections->reserved1 = 0;
+ sections->reserved2 = 0;
+ sections->reserved3 = 0;
+
+ sec->filepos = sections->offset;
+ sec->target_index = ++target_index;
+
+ mdata->filelen += sections->size;
+ sections++;
+ }
+ seg->filesize = mdata->filelen - seg->fileoff;
+ seg->vmsize = seg->filesize;
+
+ return TRUE;
}
-static int
-bfd_mach_o_write_header (abfd, header)
- bfd *abfd;
- bfd_mach_o_header *header;
+/* Set the contents of a section. */
+
+bfd_boolean
+bfd_mach_o_set_section_contents (bfd *abfd,
+ asection *section,
+ const void * location,
+ file_ptr offset,
+ bfd_size_type count)
{
- unsigned char buf[28];
+ file_ptr pos;
- bfd_h_put_32 (abfd, header->magic, buf + 0);
- bfd_h_put_32 (abfd, header->cputype, buf + 4);
- bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
- bfd_h_put_32 (abfd, header->filetype, buf + 12);
- bfd_h_put_32 (abfd, header->ncmds, buf + 16);
- bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
- bfd_h_put_32 (abfd, header->flags, buf + 24);
+ /* This must be done first, because bfd_set_section_contents is
+ going to set output_has_begun to TRUE. */
+ if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
+ return FALSE;
- bfd_seek (abfd, 0, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 28, abfd) != 28)
- return -1;
+ if (count == 0)
+ return TRUE;
+
+ pos = section->filepos + offset;
+ if (bfd_seek (abfd, pos, SEEK_SET) != 0
+ || bfd_bwrite (location, count, abfd) != count)
+ return FALSE;
+
+ return TRUE;
+}
+int
+bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
return 0;
}
-static int
-bfd_mach_o_read_header (abfd, header)
- bfd *abfd;
- bfd_mach_o_header *header;
+/* Make an empty symbol. This is required only because
+ bfd_make_section_anyway wants to create a symbol for the section. */
+
+asymbol *
+bfd_mach_o_make_empty_symbol (bfd *abfd)
{
- unsigned char buf[28];
- bfd_vma (*get32) (const void *) = NULL;
+ asymbol *new_symbol;
+
+ new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
+ if (new_symbol == NULL)
+ return new_symbol;
+ new_symbol->the_bfd = abfd;
+ new_symbol->udata.i = 0;
+ return new_symbol;
+}
- bfd_seek (abfd, 0, SEEK_SET);
+static bfd_boolean
+bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
+{
+ unsigned char buf[32];
+ unsigned int size;
+ bfd_vma (*get32) (const void *) = NULL;
- if (bfd_bread ((PTR) buf, 28, abfd) != 28)
- return -1;
+ /* Just read the magic number. */
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 4, abfd) != 4)
+ return FALSE;
- if (bfd_getb32 (buf) == 0xfeedface)
+ if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC)
+ {
+ header->byteorder = BFD_ENDIAN_BIG;
+ header->magic = BFD_MACH_O_MH_MAGIC;
+ header->version = 1;
+ get32 = bfd_getb32;
+ }
+ else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
+ {
+ header->byteorder = BFD_ENDIAN_LITTLE;
+ header->magic = BFD_MACH_O_MH_MAGIC;
+ header->version = 1;
+ get32 = bfd_getl32;
+ }
+ else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
{
header->byteorder = BFD_ENDIAN_BIG;
- header->magic = 0xfeedface;
+ header->magic = BFD_MACH_O_MH_MAGIC_64;
+ header->version = 2;
get32 = bfd_getb32;
}
- else if (bfd_getl32 (buf) == 0xfeedface)
+ else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
{
header->byteorder = BFD_ENDIAN_LITTLE;
- header->magic = 0xfeedface;
+ header->magic = BFD_MACH_O_MH_MAGIC_64;
+ header->version = 2;
get32 = bfd_getl32;
}
else
{
header->byteorder = BFD_ENDIAN_UNKNOWN;
- return -1;
+ return FALSE;
}
+ /* Once the size of the header is known, read the full header. */
+ size = mach_o_wide_p (header) ?
+ BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
+
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, size, abfd) != size)
+ return FALSE;
+
header->cputype = (*get32) (buf + 4);
header->cpusubtype = (*get32) (buf + 8);
header->filetype = (*get32) (buf + 12);
header->sizeofcmds = (*get32) (buf + 20);
header->flags = (*get32) (buf + 24);
- return 0;
+ if (mach_o_wide_p (header))
+ header->reserved = (*get32) (buf + 28);
+
+ return TRUE;
}
static asection *
-bfd_mach_o_make_bfd_section (abfd, section)
- bfd *abfd;
- bfd_mach_o_section *section;
+bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section,
+ unsigned long prot)
{
asection *bfdsec;
char *sname;
- const char *prefix = "LC_SEGMENT";
- unsigned int snamelen;
+ flagword flags;
- snamelen = strlen (prefix) + 1
- + strlen (section->segname) + 1
- + strlen (section->sectname) + 1;
+ bfd_mach_o_convert_section_name_to_bfd (abfd, section, &sname, &flags);
+ if (sname == NULL)
+ return NULL;
+
+ if (flags == SEC_NO_FLAGS)
+ {
+ /* Try to guess flags. */
+ if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
+ flags = SEC_DEBUGGING;
+ else
+ {
+ flags = SEC_ALLOC;
+ if ((section->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ != BFD_MACH_O_S_ZEROFILL)
+ {
+ flags |= SEC_LOAD;
+ if (prot & BFD_MACH_O_PROT_EXECUTE)
+ flags |= SEC_CODE;
+ if (prot & BFD_MACH_O_PROT_WRITE)
+ flags |= SEC_DATA;
+ else if (prot & BFD_MACH_O_PROT_READ)
+ flags |= SEC_READONLY;
+ }
+ }
+ }
+ else
+ {
+ if ((flags & SEC_DEBUGGING) == 0)
+ flags |= SEC_ALLOC;
+ }
- sname = (char *) bfd_alloc (abfd, snamelen);
- if (sname == NULL)
- return NULL;
- sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname);
+ if (section->offset != 0)
+ flags |= SEC_HAS_CONTENTS;
+ if (section->nreloc != 0)
+ flags |= SEC_RELOC;
- bfdsec = bfd_make_section_anyway (abfd, sname);
+ bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
if (bfdsec == NULL)
return NULL;
bfdsec->vma = section->addr;
bfdsec->lma = section->addr;
- bfdsec->_raw_size = section->size;
+ bfdsec->size = section->size;
bfdsec->filepos = section->offset;
bfdsec->alignment_power = section->align;
-
- if (section->flags & BFD_MACH_O_S_ZEROFILL)
- bfdsec->flags = SEC_ALLOC;
- else
- bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+ bfdsec->segment_mark = 0;
+ bfdsec->reloc_count = section->nreloc;
+ bfdsec->rel_filepos = section->reloff;
return bfdsec;
}
static int
-bfd_mach_o_scan_read_section (abfd, section, offset)
- bfd *abfd;
- bfd_mach_o_section *section;
- bfd_vma offset;
+bfd_mach_o_read_section_32 (bfd *abfd,
+ bfd_mach_o_section *section,
+ unsigned int offset,
+ unsigned long prot)
{
- unsigned char buf[68];
+ unsigned char buf[BFD_MACH_O_SECTION_SIZE];
- bfd_seek (abfd, offset, SEEK_SET);
- if (bfd_bread ((PTR) buf, 68, abfd) != 68)
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_SIZE, abfd)
+ != BFD_MACH_O_SECTION_SIZE))
return -1;
memcpy (section->sectname, buf, 16);
section->flags = bfd_h_get_32 (abfd, buf + 56);
section->reserved1 = bfd_h_get_32 (abfd, buf + 60);
section->reserved2 = bfd_h_get_32 (abfd, buf + 64);
- section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section);
+ section->reserved3 = 0;
+ section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
if (section->bfdsection == NULL)
return -1;
}
static int
-bfd_mach_o_scan_write_section (abfd, section, offset)
- bfd *abfd;
- bfd_mach_o_section *section;
- bfd_vma offset;
+bfd_mach_o_read_section_64 (bfd *abfd,
+ bfd_mach_o_section *section,
+ unsigned int offset,
+ unsigned long prot)
{
- unsigned char buf[68];
+ unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
- memcpy (buf, section->sectname, 16);
- memcpy (buf + 16, section->segname, 16);
- bfd_h_put_32 (abfd, section->addr, buf + 32);
- bfd_h_put_32 (abfd, section->size, buf + 36);
- bfd_h_put_32 (abfd, section->offset, buf + 40);
- bfd_h_put_32 (abfd, section->align, buf + 44);
- bfd_h_put_32 (abfd, section->reloff, buf + 48);
- bfd_h_put_32 (abfd, section->nreloc, buf + 52);
- bfd_h_put_32 (abfd, section->flags, buf + 56);
- /* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */
- /* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ || (bfd_bread ((void *) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
+ != BFD_MACH_O_SECTION_64_SIZE))
+ return -1;
+
+ memcpy (section->sectname, buf, 16);
+ section->sectname[16] = '\0';
+ memcpy (section->segname, buf + 16, 16);
+ section->segname[16] = '\0';
+ section->addr = bfd_h_get_64 (abfd, buf + 32);
+ section->size = bfd_h_get_64 (abfd, buf + 40);
+ section->offset = bfd_h_get_32 (abfd, buf + 48);
+ section->align = bfd_h_get_32 (abfd, buf + 52);
+ section->reloff = bfd_h_get_32 (abfd, buf + 56);
+ section->nreloc = bfd_h_get_32 (abfd, buf + 60);
+ section->flags = bfd_h_get_32 (abfd, buf + 64);
+ section->reserved1 = bfd_h_get_32 (abfd, buf + 68);
+ section->reserved2 = bfd_h_get_32 (abfd, buf + 72);
+ section->reserved3 = bfd_h_get_32 (abfd, buf + 76);
+ section->bfdsection = bfd_mach_o_make_bfd_section (abfd, section, prot);
- bfd_seek (abfd, offset, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 68, abfd) != 68)
+ if (section->bfdsection == NULL)
return -1;
return 0;
}
static int
-bfd_mach_o_scan_write_symtab_symbols (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_section (bfd *abfd,
+ bfd_mach_o_section *section,
+ unsigned int offset,
+ unsigned long prot,
+ unsigned int wide)
{
- bfd_mach_o_symtab_command *sym = &command->command.symtab;
- asymbol *s = NULL;
- unsigned long i;
-
- for (i = 0; i < sym->nsyms; i++)
- {
- unsigned char buf[12];
- bfd_vma symoff = sym->symoff + (i * 12);
- unsigned char ntype = 0;
- unsigned char nsect = 0;
- short ndesc = 0;
-
- s = &sym->symbols[i];
-
- /* Don't set this from the symbol information; use stored values. */
-#if 0
- if (s->flags & BSF_GLOBAL)
- ntype |= N_EXT;
- if (s->flags & BSF_DEBUGGING)
- ntype |= N_STAB;
-
- if (s->section == bfd_und_section_ptr)
- ntype |= N_UNDF;
- else if (s->section == bfd_abs_section_ptr)
- ntype |= N_ABS;
- else
- ntype |= N_SECT;
-#endif
-
- /* Instead just set from the stored values. */
- ntype = (s->udata.i >> 24) & 0xff;
- nsect = (s->udata.i >> 16) & 0xff;
- ndesc = s->udata.i & 0xffff;
-
- bfd_h_put_32 (abfd, s->name - sym->strtab, buf);
- bfd_h_put_8 (abfd, ntype, buf + 4);
- bfd_h_put_8 (abfd, nsect, buf + 5);
- bfd_h_put_16 (abfd, ndesc, buf + 6);
- bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8);
-
- bfd_seek (abfd, symoff, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 12, abfd) != 12)
- {
- fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n",
- 12, (unsigned long) symoff);
- return -1;
- }
- }
-
- return 0;
+ if (wide)
+ return bfd_mach_o_read_section_64 (abfd, section, offset, prot);
+ else
+ return bfd_mach_o_read_section_32 (abfd, section, offset, prot);
}
-int
-bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i)
- bfd *abfd;
- bfd_mach_o_symtab_command *sym;
- asymbol *s;
- unsigned long i;
-{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
- bfd_vma symoff = sym->symoff + (i * 12);
- unsigned char buf[12];
+static int
+bfd_mach_o_read_symtab_symbol (bfd *abfd,
+ bfd_mach_o_symtab_command *sym,
+ bfd_mach_o_asymbol *s,
+ unsigned long i)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned int wide = mach_o_wide_p (&mdata->header);
+ unsigned int symwidth =
+ wide ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE;
+ unsigned int symoff = sym->symoff + (i * symwidth);
+ unsigned char buf[16];
unsigned char type = -1;
unsigned char section = -1;
short desc = -1;
- unsigned long value = -1;
+ symvalue value = -1;
unsigned long stroff = -1;
unsigned int symtype = -1;
BFD_ASSERT (sym->strtab != NULL);
- bfd_seek (abfd, symoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, 12, abfd) != 12)
+ if (bfd_seek (abfd, symoff, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, symwidth, abfd) != symwidth)
{
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n",
- 12, (unsigned long) symoff);
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu\n",
+ symwidth, (unsigned long) symoff);
return -1;
}
stroff = bfd_h_get_32 (abfd, buf);
type = bfd_h_get_8 (abfd, buf + 4);
- symtype = (type & 0x0e);
- section = bfd_h_get_8 (abfd, buf + 5) - 1;
+ symtype = type & BFD_MACH_O_N_TYPE;
+ section = bfd_h_get_8 (abfd, buf + 5);
desc = bfd_h_get_16 (abfd, buf + 6);
- value = bfd_h_get_32 (abfd, buf + 8);
+ if (wide)
+ value = bfd_h_get_64 (abfd, buf + 8);
+ else
+ value = bfd_h_get_32 (abfd, buf + 8);
if (stroff >= sym->strsize)
{
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbol: symbol name out of range (%lu >= %lu)\n",
(unsigned long) stroff, (unsigned long) sym->strsize);
return -1;
}
- s->the_bfd = abfd;
- s->name = sym->strtab + stroff;
- s->value = value;
- s->udata.i = (type << 24) | (section << 16) | desc;
- s->flags = 0x0;
+ s->symbol.the_bfd = abfd;
+ s->symbol.name = sym->strtab + stroff;
+ s->symbol.value = value;
+ s->symbol.flags = 0x0;
+ s->symbol.udata.i = 0;
+ s->n_type = type;
+ s->n_sect = section;
+ s->n_desc = desc;
if (type & BFD_MACH_O_N_STAB)
{
- s->flags |= BSF_DEBUGGING;
- s->section = bfd_und_section_ptr;
+ s->symbol.flags |= BSF_DEBUGGING;
+ s->symbol.section = bfd_und_section_ptr;
+ switch (type)
+ {
+ case N_FUN:
+ case N_STSYM:
+ case N_LCSYM:
+ case N_BNSYM:
+ case N_SLINE:
+ case N_ENSYM:
+ case N_ECOMM:
+ case N_ECOML:
+ case N_GSYM:
+ if ((section > 0) && (section <= mdata->nsects))
+ {
+ s->symbol.section = mdata->sections[section - 1]->bfdsection;
+ s->symbol.value =
+ s->symbol.value - mdata->sections[section - 1]->addr;
+ }
+ break;
+ }
}
else
{
if (type & BFD_MACH_O_N_PEXT)
- {
- type &= ~BFD_MACH_O_N_PEXT;
- s->flags |= BSF_GLOBAL;
- }
+ s->symbol.flags |= BSF_GLOBAL;
if (type & BFD_MACH_O_N_EXT)
- {
- type &= ~BFD_MACH_O_N_EXT;
- s->flags |= BSF_GLOBAL;
- }
+ s->symbol.flags |= BSF_GLOBAL;
+
+ if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
+ s->symbol.flags |= BSF_LOCAL;
switch (symtype)
{
case BFD_MACH_O_N_UNDF:
- s->section = bfd_und_section_ptr;
+ if (type == (BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT)
+ && s->symbol.value != 0)
+ {
+ /* A common symbol. */
+ s->symbol.section = bfd_com_section_ptr;
+ s->symbol.flags = BSF_NO_FLAGS;
+ }
+ else
+ {
+ s->symbol.section = bfd_und_section_ptr;
+ if (s->n_desc & BFD_MACH_O_N_WEAK_REF)
+ s->symbol.flags |= BSF_WEAK;
+ }
break;
case BFD_MACH_O_N_PBUD:
- s->section = bfd_und_section_ptr;
+ s->symbol.section = bfd_und_section_ptr;
break;
case BFD_MACH_O_N_ABS:
- s->section = bfd_abs_section_ptr;
+ s->symbol.section = bfd_abs_section_ptr;
break;
case BFD_MACH_O_N_SECT:
if ((section > 0) && (section <= mdata->nsects))
{
- s->section = mdata->sections[section - 1]->bfdsection;
- s->value = s->value - mdata->sections[section - 1]->addr;
+ s->symbol.section = mdata->sections[section - 1]->bfdsection;
+ s->symbol.value =
+ s->symbol.value - mdata->sections[section - 1]->addr;
}
else
{
/* Mach-O uses 0 to mean "no section"; not an error. */
if (section != 0)
{
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
"symbol \"%s\" specified invalid section %d (max %lu): setting to undefined\n",
- s->name, section, mdata->nsects);
+ s->symbol.name, section, mdata->nsects);
}
- s->section = bfd_und_section_ptr;
+ s->symbol.section = bfd_und_section_ptr;
}
break;
case BFD_MACH_O_N_INDR:
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined\n",
- s->name);
- s->section = bfd_und_section_ptr;
+ s->symbol.name);
+ s->symbol.section = bfd_und_section_ptr;
break;
default:
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: "
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbol: "
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined\n",
- s->name, symtype);
- s->section = bfd_und_section_ptr;
+ s->symbol.name, symtype);
+ s->symbol.section = bfd_und_section_ptr;
break;
}
}
return 0;
}
-int
-bfd_mach_o_scan_read_symtab_strtab (abfd, sym)
- bfd *abfd;
- bfd_mach_o_symtab_command *sym;
+static int
+bfd_mach_o_read_symtab_strtab (bfd *abfd)
{
- BFD_ASSERT (sym->strtab == NULL);
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_symtab_command *sym = mdata->symtab;
+
+ /* Fail if there is no symtab. */
+ if (sym == NULL)
+ return -1;
+
+ /* Success if already loaded. */
+ if (sym->strtab)
+ return 0;
if (abfd->flags & BFD_IN_MEMORY)
{
bfd_set_error (bfd_error_file_truncated);
return -1;
}
- sym->strtab = b->buffer + sym->stroff;
- return 0;
+ sym->strtab = (char *) b->buffer + sym->stroff;
}
-
- sym->strtab = bfd_alloc (abfd, sym->strsize);
- if (sym->strtab == NULL)
- return -1;
-
- bfd_seek (abfd, sym->stroff, SEEK_SET);
- if (bfd_bread ((PTR) sym->strtab, sym->strsize, abfd) != sym->strsize)
+ else
{
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_strtab: unable to read %lu bytes at %lu\n",
- sym->strsize, sym->stroff);
- return -1;
+ sym->strtab = bfd_alloc (abfd, sym->strsize);
+ if (sym->strtab == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
+ || bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize)
+ {
+ bfd_set_error (bfd_error_file_truncated);
+ return -1;
+ }
}
return 0;
}
-int
-bfd_mach_o_scan_read_symtab_symbols (abfd, sym)
- bfd *abfd;
- bfd_mach_o_symtab_command *sym;
+static int
+bfd_mach_o_read_symtab_symbols (bfd *abfd)
{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_symtab_command *sym = mdata->symtab;
unsigned long i;
int ret;
- BFD_ASSERT (sym->symbols == NULL);
- sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (asymbol));
+ if (sym->symbols)
+ return 0;
+
+ sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
if (sym->symbols == NULL)
{
- fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbols: unable to allocate memory for symbols\n");
+ fprintf (stderr, "bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols\n");
return -1;
}
- ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym);
+ ret = bfd_mach_o_read_symtab_strtab (abfd);
if (ret != 0)
return ret;
for (i = 0; i < sym->nsyms; i++)
{
- ret = bfd_mach_o_scan_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
+ ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
if (ret != 0)
return ret;
}
}
int
-bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i)
- bfd *abfd;
- bfd_mach_o_dysymtab_command *dysym;
- bfd_mach_o_symtab_command *sym;
- asymbol *s;
- unsigned long i;
+bfd_mach_o_read_dysymtab_symbol (bfd *abfd,
+ bfd_mach_o_dysymtab_command *dysym,
+ bfd_mach_o_symtab_command *sym,
+ bfd_mach_o_asymbol *s,
+ unsigned long i)
{
unsigned long isymoff = dysym->indirectsymoff + (i * 4);
- unsigned long symindex;
+ unsigned long sym_index;
unsigned char buf[4];
BFD_ASSERT (i < dysym->nindirectsyms);
- bfd_seek (abfd, isymoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, 4, abfd) != 4)
+ if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 4, abfd) != 4)
{
- fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
+ fprintf (stderr, "bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
(unsigned long) 4, isymoff);
return -1;
}
- symindex = bfd_h_get_32 (abfd, buf);
+ sym_index = bfd_h_get_32 (abfd, buf);
- return bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, symindex);
+ return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index);
}
static const char *
-bfd_mach_o_i386_flavour_string (flavour)
- unsigned int flavour;
+bfd_mach_o_i386_flavour_string (unsigned int flavour)
{
switch ((int) flavour)
{
- case BFD_MACH_O_i386_NEW_THREAD_STATE: return "i386_NEW_THREAD_STATE";
- case BFD_MACH_O_i386_FLOAT_STATE: return "i386_FLOAT_STATE";
- case BFD_MACH_O_i386_ISA_PORT_MAP_STATE: return "i386_ISA_PORT_MAP_STATE";
- case BFD_MACH_O_i386_V86_ASSIST_STATE: return "i386_V86_ASSIST_STATE";
- case BFD_MACH_O_i386_REGS_SEGS_STATE: return "i386_REGS_SEGS_STATE";
- case BFD_MACH_O_i386_THREAD_SYSCALL_STATE: return "i386_THREAD_SYSCALL_STATE";
- case BFD_MACH_O_i386_THREAD_STATE_NONE: return "i386_THREAD_STATE_NONE";
- case BFD_MACH_O_i386_SAVED_STATE: return "i386_SAVED_STATE";
- case BFD_MACH_O_i386_THREAD_STATE: return "i386_THREAD_STATE";
- case BFD_MACH_O_i386_THREAD_FPSTATE: return "i386_THREAD_FPSTATE";
- case BFD_MACH_O_i386_THREAD_EXCEPTSTATE: return "i386_THREAD_EXCEPTSTATE";
- case BFD_MACH_O_i386_THREAD_CTHREADSTATE: return "i386_THREAD_CTHREADSTATE";
+ case BFD_MACH_O_x86_THREAD_STATE32: return "x86_THREAD_STATE32";
+ case BFD_MACH_O_x86_FLOAT_STATE32: return "x86_FLOAT_STATE32";
+ case BFD_MACH_O_x86_EXCEPTION_STATE32: return "x86_EXCEPTION_STATE32";
+ case BFD_MACH_O_x86_THREAD_STATE64: return "x86_THREAD_STATE64";
+ case BFD_MACH_O_x86_FLOAT_STATE64: return "x86_FLOAT_STATE64";
+ case BFD_MACH_O_x86_EXCEPTION_STATE64: return "x86_EXCEPTION_STATE64";
+ case BFD_MACH_O_x86_THREAD_STATE: return "x86_THREAD_STATE";
+ case BFD_MACH_O_x86_FLOAT_STATE: return "x86_FLOAT_STATE";
+ case BFD_MACH_O_x86_EXCEPTION_STATE: return "x86_EXCEPTION_STATE";
+ case BFD_MACH_O_x86_DEBUG_STATE32: return "x86_DEBUG_STATE32";
+ case BFD_MACH_O_x86_DEBUG_STATE64: return "x86_DEBUG_STATE64";
+ case BFD_MACH_O_x86_DEBUG_STATE: return "x86_DEBUG_STATE";
+ case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
default: return "UNKNOWN";
}
}
static const char *
-bfd_mach_o_ppc_flavour_string (flavour)
- unsigned int flavour;
+bfd_mach_o_ppc_flavour_string (unsigned int flavour)
{
switch ((int) flavour)
{
- case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
- case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
- case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
- case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
+ case BFD_MACH_O_PPC_THREAD_STATE: return "PPC_THREAD_STATE";
+ case BFD_MACH_O_PPC_FLOAT_STATE: return "PPC_FLOAT_STATE";
+ case BFD_MACH_O_PPC_EXCEPTION_STATE: return "PPC_EXCEPTION_STATE";
+ case BFD_MACH_O_PPC_VECTOR_STATE: return "PPC_VECTOR_STATE";
+ case BFD_MACH_O_PPC_THREAD_STATE64: return "PPC_THREAD_STATE64";
+ case BFD_MACH_O_PPC_EXCEPTION_STATE64: return "PPC_EXCEPTION_STATE64";
default: return "UNKNOWN";
}
}
static int
-bfd_mach_o_scan_write_thread (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
-{
- bfd_mach_o_thread_command *cmd = &command->command.thread;
- unsigned int i;
- unsigned char buf[8];
- bfd_vma offset;
- unsigned int nflavours;
-
- BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
- || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
-
- offset = 8;
- nflavours = 0;
- for (i = 0; i < cmd->nflavours; i++)
- {
- BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
- BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
-
- bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
- bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
-
- bfd_seek (abfd, command->offset + offset, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
- return -1;
-
- offset += cmd->flavours[i].size + 8;
- }
-
- return 0;
-}
-
-static int
-bfd_mach_o_scan_read_dylinker (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_dylinker (bfd *abfd, bfd_mach_o_load_command *command)
{
bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
unsigned char buf[4];
unsigned int nameoff;
- asection *bfdsec;
- char *sname;
- const char *prefix;
BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLINKER)
|| (command->type == BFD_MACH_O_LC_LOAD_DYLINKER));
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 4, abfd) != 4)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 4, abfd) != 4)
return -1;
nameoff = bfd_h_get_32 (abfd, buf + 0);
cmd->name_offset = command->offset + nameoff;
cmd->name_len = command->len - nameoff;
-
- if (command->type == BFD_MACH_O_LC_LOAD_DYLINKER)
- prefix = "LC_LOAD_DYLINKER";
- else if (command->type == BFD_MACH_O_LC_ID_DYLINKER)
- prefix = "LC_ID_DYLINKER";
- else
- abort ();
-
- sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
+ cmd->name_str = bfd_alloc (abfd, cmd->name_len);
+ if (cmd->name_str == NULL)
return -1;
- strcpy (sname, prefix);
-
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
+ if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
+ || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
return -1;
-
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->_raw_size = command->len - 8;
- bfdsec->filepos = command->offset + 8;
- bfdsec->alignment_power = 0;
- bfdsec->flags = SEC_HAS_CONTENTS;
-
- cmd->section = bfdsec;
-
return 0;
}
static int
-bfd_mach_o_scan_read_dylib (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
{
bfd_mach_o_dylib_command *cmd = &command->command.dylib;
unsigned char buf[16];
unsigned int nameoff;
- asection *bfdsec;
- char *sname;
- const char *prefix;
- BFD_ASSERT ((command->type == BFD_MACH_O_LC_ID_DYLIB)
- || (command->type == BFD_MACH_O_LC_LOAD_DYLIB)
- || (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB));
+ switch (command->type)
+ {
+ case BFD_MACH_O_LC_LOAD_DYLIB:
+ case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
+ case BFD_MACH_O_LC_ID_DYLIB:
+ case BFD_MACH_O_LC_REEXPORT_DYLIB:
+ break;
+ default:
+ BFD_FAIL ();
+ return -1;
+ }
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 16, abfd) != 16)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 16, abfd) != 16)
return -1;
nameoff = bfd_h_get_32 (abfd, buf + 0);
cmd->name_offset = command->offset + nameoff;
cmd->name_len = command->len - nameoff;
-
- if (command->type == BFD_MACH_O_LC_LOAD_DYLIB)
- prefix = "LC_LOAD_DYLIB";
- else if (command->type == BFD_MACH_O_LC_LOAD_WEAK_DYLIB)
- prefix = "LC_LOAD_WEAK_DYLIB";
- else if (command->type == BFD_MACH_O_LC_ID_DYLIB)
- prefix = "LC_ID_DYLIB";
- else
- abort ();
-
- sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
+ cmd->name_str = bfd_alloc (abfd, cmd->name_len);
+ if (cmd->name_str == NULL)
return -1;
- strcpy (sname, prefix);
-
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
+ if (bfd_seek (abfd, cmd->name_offset, SEEK_SET) != 0
+ || bfd_bread (cmd->name_str, cmd->name_len, abfd) != cmd->name_len)
return -1;
-
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->_raw_size = command->len - 8;
- bfdsec->filepos = command->offset + 8;
- bfdsec->alignment_power = 0;
- bfdsec->flags = SEC_HAS_CONTENTS;
-
- cmd->section = bfdsec;
-
return 0;
}
static int
-bfd_mach_o_scan_read_prebound_dylib (abfd, command)
- bfd *abfd ATTRIBUTE_UNUSED;
- bfd_mach_o_load_command *command ATTRIBUTE_UNUSED;
+bfd_mach_o_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
{
/* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
}
static int
-bfd_mach_o_scan_read_thread (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
{
- bfd_mach_o_data_struct *mdata = NULL;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
bfd_mach_o_thread_command *cmd = &command->command.thread;
unsigned char buf[8];
- bfd_vma offset;
+ unsigned int offset;
unsigned int nflavours;
unsigned int i;
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
|| (command->type == BFD_MACH_O_LC_UNIXTHREAD));
- BFD_ASSERT (bfd_mach_o_valid (abfd));
- mdata = abfd->tdata.mach_o_data;
-
+ /* Count the number of threads. */
offset = 8;
nflavours = 0;
while (offset != command->len)
if (offset >= command->len)
return -1;
- bfd_seek (abfd, command->offset + offset, SEEK_SET);
-
- if (bfd_bread ((PTR) buf, 8, abfd) != 8)
+ if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 8, abfd) != 8)
return -1;
offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
nflavours++;
}
- cmd->flavours =
- ((bfd_mach_o_thread_flavour *)
- bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)));
+ /* Allocate threads. */
+ cmd->flavours = bfd_alloc
+ (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
if (cmd->flavours == NULL)
return -1;
cmd->nflavours = nflavours;
if (nflavours >= cmd->nflavours)
return -1;
- bfd_seek (abfd, command->offset + offset, SEEK_SET);
-
- if (bfd_bread ((PTR) buf, 8, abfd) != 8)
+ if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 8, abfd) != 8)
return -1;
cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
switch (mdata->header.cputype)
{
case BFD_MACH_O_CPU_TYPE_POWERPC:
+ case BFD_MACH_O_CPU_TYPE_POWERPC_64:
flavourstr = bfd_mach_o_ppc_flavour_string (cmd->flavours[i].flavour);
break;
case BFD_MACH_O_CPU_TYPE_I386:
+ case BFD_MACH_O_CPU_TYPE_X86_64:
flavourstr = bfd_mach_o_i386_flavour_string (cmd->flavours[i].flavour);
break;
default:
}
snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
- sname = (char *) bfd_alloc (abfd, snamelen);
+ sname = bfd_alloc (abfd, snamelen);
if (sname == NULL)
return -1;
j++;
}
- bfdsec = bfd_make_section (abfd, sname);
+ bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
bfdsec->vma = 0;
bfdsec->lma = 0;
- bfdsec->_raw_size = cmd->flavours[i].size;
+ bfdsec->size = cmd->flavours[i].size;
bfdsec->filepos = cmd->flavours[i].offset;
bfdsec->alignment_power = 0x0;
- bfdsec->flags = SEC_HAS_CONTENTS;
cmd->section = bfdsec;
}
}
static int
-bfd_mach_o_scan_write_symtab (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
{
- bfd_mach_o_symtab_command *seg = &command->command.symtab;
- unsigned char buf[16];
-
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+ bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned char buf[72];
- bfd_h_put_32 (abfd, seg->symoff, buf);
- bfd_h_put_32 (abfd, seg->nsyms, buf + 4);
- bfd_h_put_32 (abfd, seg->stroff, buf + 8);
- bfd_h_put_32 (abfd, seg->strsize, buf + 12);
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 16, abfd) != 16)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 72, abfd) != 72)
return -1;
- if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0)
+ cmd->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
+ cmd->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
+ cmd->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
+ cmd->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
+ cmd->iundefsym = bfd_h_get_32 (abfd, buf + 16);
+ cmd->nundefsym = bfd_h_get_32 (abfd, buf + 20);
+ cmd->tocoff = bfd_h_get_32 (abfd, buf + 24);
+ cmd->ntoc = bfd_h_get_32 (abfd, buf + 28);
+ cmd->modtaboff = bfd_h_get_32 (abfd, buf + 32);
+ cmd->nmodtab = bfd_h_get_32 (abfd, buf + 36);
+ cmd->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
+ cmd->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
+ cmd->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
+ cmd->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
+ cmd->extreloff = bfd_h_get_32 (abfd, buf + 56);
+ cmd->nextrel = bfd_h_get_32 (abfd, buf + 60);
+ cmd->locreloff = bfd_h_get_32 (abfd, buf + 64);
+ cmd->nlocrel = bfd_h_get_32 (abfd, buf + 68);
+
+ if (cmd->nmodtab != 0)
+ {
+ unsigned int i;
+ int wide = bfd_mach_o_wide_p (abfd);
+ unsigned int module_len = wide ? 56 : 52;
+
+ cmd->dylib_module =
+ bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
+ if (cmd->dylib_module == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
+ return -1;
+
+ for (i = 0; i < cmd->nmodtab; i++)
+ {
+ bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
+ unsigned long v;
+
+ if (bfd_bread ((void *) buf, module_len, abfd) != module_len)
+ return -1;
+
+ module->module_name_idx = bfd_h_get_32 (abfd, buf + 0);
+ module->iextdefsym = bfd_h_get_32 (abfd, buf + 4);
+ module->nextdefsym = bfd_h_get_32 (abfd, buf + 8);
+ module->irefsym = bfd_h_get_32 (abfd, buf + 12);
+ module->nrefsym = bfd_h_get_32 (abfd, buf + 16);
+ module->ilocalsym = bfd_h_get_32 (abfd, buf + 20);
+ module->nlocalsym = bfd_h_get_32 (abfd, buf + 24);
+ module->iextrel = bfd_h_get_32 (abfd, buf + 28);
+ module->nextrel = bfd_h_get_32 (abfd, buf + 32);
+ v = bfd_h_get_32 (abfd, buf +36);
+ module->iinit = v & 0xffff;
+ module->iterm = (v >> 16) & 0xffff;
+ v = bfd_h_get_32 (abfd, buf + 40);
+ module->ninit = v & 0xffff;
+ module->nterm = (v >> 16) & 0xffff;
+ if (wide)
+ {
+ module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 44);
+ module->objc_module_info_addr = bfd_h_get_64 (abfd, buf + 48);
+ }
+ else
+ {
+ module->objc_module_info_addr = bfd_h_get_32 (abfd, buf + 44);
+ module->objc_module_info_size = bfd_h_get_32 (abfd, buf + 48);
+ }
+ }
+ }
+
+ if (cmd->ntoc != 0)
+ {
+ unsigned int i;
+
+ cmd->dylib_toc = bfd_alloc
+ (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
+ if (cmd->dylib_toc == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
+ return -1;
+
+ for (i = 0; i < cmd->ntoc; i++)
+ {
+ bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
+
+ if (bfd_bread ((void *) buf, 8, abfd) != 8)
+ return -1;
+
+ toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
+ toc->module_index = bfd_h_get_32 (abfd, buf + 4);
+ }
+ }
+
+ if (cmd->nindirectsyms != 0)
+ {
+ unsigned int i;
+
+ cmd->indirect_syms = bfd_alloc
+ (abfd, cmd->nindirectsyms * sizeof (unsigned int));
+ if (cmd->indirect_syms == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
+ return -1;
+
+ for (i = 0; i < cmd->nindirectsyms; i++)
+ {
+ unsigned int *is = &cmd->indirect_syms[i];
+
+ if (bfd_bread ((void *) buf, 4, abfd) != 4)
+ return -1;
+
+ *is = bfd_h_get_32 (abfd, buf + 0);
+ }
+ }
+
+ if (cmd->nextrefsyms != 0)
+ {
+ unsigned long v;
+ unsigned int i;
+
+ cmd->ext_refs = bfd_alloc
+ (abfd, cmd->nextrefsyms * sizeof (bfd_mach_o_dylib_reference));
+ if (cmd->ext_refs == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
+ return -1;
+
+ for (i = 0; i < cmd->nextrefsyms; i++)
+ {
+ bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
+
+ if (bfd_bread ((void *) buf, 4, abfd) != 4)
+ return -1;
+
+ /* Fields isym and flags are written as bit-fields, thus we need
+ a specific processing for endianness. */
+ v = bfd_h_get_32 (abfd, buf + 0);
+ if (bfd_big_endian (abfd))
+ {
+ ref->isym = (v >> 8) & 0xffffff;
+ ref->flags = v & 0xff;
+ }
+ else
+ {
+ ref->isym = v & 0xffffff;
+ ref->flags = (v >> 24) & 0xff;
+ }
+ }
+ }
+
+ if (mdata->dysymtab)
return -1;
+ mdata->dysymtab = cmd;
return 0;
}
static int
-bfd_mach_o_scan_read_dysymtab (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
{
- bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab;
- unsigned char buf[72];
+ bfd_mach_o_symtab_command *symtab = &command->command.symtab;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned char buf[16];
- BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 72, abfd) != 72)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 16, abfd) != 16)
return -1;
- seg->ilocalsym = bfd_h_get_32 (abfd, buf + 0);
- seg->nlocalsym = bfd_h_get_32 (abfd, buf + 4);
- seg->iextdefsym = bfd_h_get_32 (abfd, buf + 8);
- seg->nextdefsym = bfd_h_get_32 (abfd, buf + 12);
- seg->iundefsym = bfd_h_get_32 (abfd, buf + 16);
- seg->nundefsym = bfd_h_get_32 (abfd, buf + 20);
- seg->tocoff = bfd_h_get_32 (abfd, buf + 24);
- seg->ntoc = bfd_h_get_32 (abfd, buf + 28);
- seg->modtaboff = bfd_h_get_32 (abfd, buf + 32);
- seg->nmodtab = bfd_h_get_32 (abfd, buf + 36);
- seg->extrefsymoff = bfd_h_get_32 (abfd, buf + 40);
- seg->nextrefsyms = bfd_h_get_32 (abfd, buf + 44);
- seg->indirectsymoff = bfd_h_get_32 (abfd, buf + 48);
- seg->nindirectsyms = bfd_h_get_32 (abfd, buf + 52);
- seg->extreloff = bfd_h_get_32 (abfd, buf + 56);
- seg->nextrel = bfd_h_get_32 (abfd, buf + 60);
- seg->locreloff = bfd_h_get_32 (abfd, buf + 64);
- seg->nlocrel = bfd_h_get_32 (abfd, buf + 68);
+ symtab->symoff = bfd_h_get_32 (abfd, buf);
+ symtab->nsyms = bfd_h_get_32 (abfd, buf + 4);
+ symtab->stroff = bfd_h_get_32 (abfd, buf + 8);
+ symtab->strsize = bfd_h_get_32 (abfd, buf + 12);
+ symtab->symbols = NULL;
+ symtab->strtab = NULL;
+ if (symtab->nsyms != 0)
+ abfd->flags |= HAS_SYMS;
+
+ if (mdata->symtab)
+ return -1;
+ mdata->symtab = symtab;
return 0;
}
static int
-bfd_mach_o_scan_read_symtab (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_uuid (bfd *abfd, bfd_mach_o_load_command *command)
{
- bfd_mach_o_symtab_command *seg = &command->command.symtab;
- unsigned char buf[16];
- asection *bfdsec;
- char *sname;
- const char *prefix = "LC_SYMTAB.stabs";
+ bfd_mach_o_uuid_command *cmd = &command->command.uuid;
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 16, abfd) != 16)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) cmd->uuid, 16, abfd) != 16)
return -1;
- seg->symoff = bfd_h_get_32 (abfd, buf);
- seg->nsyms = bfd_h_get_32 (abfd, buf + 4);
- seg->stroff = bfd_h_get_32 (abfd, buf + 8);
- seg->strsize = bfd_h_get_32 (abfd, buf + 12);
- seg->symbols = NULL;
- seg->strtab = NULL;
+ return 0;
+}
- sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
- return -1;
- strcpy (sname, prefix);
+static int
+bfd_mach_o_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
+ char buf[8];
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 8, abfd) != 8)
return -1;
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->_raw_size = seg->nsyms * 12;
- bfdsec->filepos = seg->symoff;
- bfdsec->alignment_power = 0;
- bfdsec->flags = SEC_HAS_CONTENTS;
+ cmd->dataoff = bfd_get_32 (abfd, buf + 0);
+ cmd->datasize = bfd_get_32 (abfd, buf + 4);
+ return 0;
+}
- seg->stabs_segment = bfdsec;
+static int
+bfd_mach_o_read_str (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_str_command *cmd = &command->command.str;
+ char buf[4];
+ unsigned long off;
- prefix = "LC_SYMTAB.stabstr";
- sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 4, abfd) != 4)
return -1;
- strcpy (sname, prefix);
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
+ off = bfd_get_32 (abfd, buf + 0);
+ cmd->stroff = command->offset + off;
+ cmd->str_len = command->len - off;
+ cmd->str = bfd_alloc (abfd, cmd->str_len);
+ if (cmd->str == NULL)
+ return -1;
+ if (bfd_seek (abfd, cmd->stroff, SEEK_SET) != 0
+ || bfd_bread ((void *) cmd->str, cmd->str_len, abfd) != cmd->str_len)
return -1;
+ return 0;
+}
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->_raw_size = seg->strsize;
- bfdsec->filepos = seg->stroff;
- bfdsec->alignment_power = 0;
- bfdsec->flags = SEC_HAS_CONTENTS;
+static int
+bfd_mach_o_read_dyld_info (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_dyld_info_command *cmd = &command->command.dyld_info;
+ char buf[40];
- seg->stabstr_segment = bfdsec;
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, sizeof (buf), abfd) != sizeof (buf))
+ return -1;
+ cmd->rebase_off = bfd_get_32 (abfd, buf + 0);
+ cmd->rebase_size = bfd_get_32 (abfd, buf + 4);
+ cmd->bind_off = bfd_get_32 (abfd, buf + 8);
+ cmd->bind_size = bfd_get_32 (abfd, buf + 12);
+ cmd->weak_bind_off = bfd_get_32 (abfd, buf + 16);
+ cmd->weak_bind_size = bfd_get_32 (abfd, buf + 20);
+ cmd->lazy_bind_off = bfd_get_32 (abfd, buf + 24);
+ cmd->lazy_bind_size = bfd_get_32 (abfd, buf + 28);
+ cmd->export_off = bfd_get_32 (abfd, buf + 32);
+ cmd->export_size = bfd_get_32 (abfd, buf + 36);
return 0;
}
static int
-bfd_mach_o_scan_read_segment (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_segment (bfd *abfd,
+ bfd_mach_o_load_command *command,
+ unsigned int wide)
{
- unsigned char buf[48];
+ unsigned char buf[64];
bfd_mach_o_segment_command *seg = &command->command.segment;
unsigned long i;
- asection *bfdsec;
- char *sname;
- const char *prefix = "LC_SEGMENT";
- unsigned int snamelen;
-
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 48, abfd) != 48)
- return -1;
+ if (wide)
+ {
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
- memcpy (seg->segname, buf, 16);
- seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
- seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
- seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
- seg->filesize = bfd_h_get_32 (abfd, buf + 28);
- /* seg->maxprot = bfd_h_get_32 (abfd, buf + 32); */
- /* seg->initprot = bfd_h_get_32 (abfd, buf + 36); */
- seg->nsects = bfd_h_get_32 (abfd, buf + 40);
- seg->flags = bfd_h_get_32 (abfd, buf + 44);
-
- snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1;
- sname = (char *) bfd_alloc (abfd, snamelen);
- if (sname == NULL)
- return -1;
- sprintf (sname, "%s.%s", prefix, seg->segname);
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 64, abfd) != 64)
+ return -1;
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
- return -1;
+ memcpy (seg->segname, buf, 16);
+ seg->segname[16] = '\0';
+
+ seg->vmaddr = bfd_h_get_64 (abfd, buf + 16);
+ seg->vmsize = bfd_h_get_64 (abfd, buf + 24);
+ seg->fileoff = bfd_h_get_64 (abfd, buf + 32);
+ seg->filesize = bfd_h_get_64 (abfd, buf + 40);
+ seg->maxprot = bfd_h_get_32 (abfd, buf + 48);
+ seg->initprot = bfd_h_get_32 (abfd, buf + 52);
+ seg->nsects = bfd_h_get_32 (abfd, buf + 56);
+ seg->flags = bfd_h_get_32 (abfd, buf + 60);
+ }
+ else
+ {
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
- bfdsec->vma = seg->vmaddr;
- bfdsec->lma = seg->vmaddr;
- bfdsec->_raw_size = seg->filesize;
- bfdsec->filepos = seg->fileoff;
- bfdsec->alignment_power = 0x0;
- bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 48, abfd) != 48)
+ return -1;
- seg->segment = bfdsec;
+ memcpy (seg->segname, buf, 16);
+ seg->segname[16] = '\0';
+
+ seg->vmaddr = bfd_h_get_32 (abfd, buf + 16);
+ seg->vmsize = bfd_h_get_32 (abfd, buf + 20);
+ seg->fileoff = bfd_h_get_32 (abfd, buf + 24);
+ seg->filesize = bfd_h_get_32 (abfd, buf + 28);
+ seg->maxprot = bfd_h_get_32 (abfd, buf + 32);
+ seg->initprot = bfd_h_get_32 (abfd, buf + 36);
+ seg->nsects = bfd_h_get_32 (abfd, buf + 40);
+ seg->flags = bfd_h_get_32 (abfd, buf + 44);
+ }
if (seg->nsects != 0)
{
- seg->sections =
- ((bfd_mach_o_section *)
- bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section)));
+ seg->sections = bfd_alloc (abfd, seg->nsects
+ * sizeof (bfd_mach_o_section));
if (seg->sections == NULL)
return -1;
for (i = 0; i < seg->nsects; i++)
{
- bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
-
- if (bfd_mach_o_scan_read_section (abfd, &seg->sections[i],
- segoff) != 0)
+ bfd_vma segoff;
+ if (wide)
+ segoff = command->offset + BFD_MACH_O_LC_SEGMENT_64_SIZE
+ + (i * BFD_MACH_O_SECTION_64_SIZE);
+ else
+ segoff = command->offset + BFD_MACH_O_LC_SEGMENT_SIZE
+ + (i * BFD_MACH_O_SECTION_SIZE);
+
+ if (bfd_mach_o_read_section
+ (abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
return -1;
}
}
}
static int
-bfd_mach_o_scan_write_segment (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
{
- unsigned char buf[48];
- bfd_mach_o_segment_command *seg = &command->command.segment;
- unsigned long i;
-
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
-
- memcpy (buf, seg->segname, 16);
- bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
- bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
- bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
- bfd_h_put_32 (abfd, seg->filesize, buf + 28);
- bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32);
- bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36);
- bfd_h_put_32 (abfd, seg->nsects, buf + 40);
- bfd_h_put_32 (abfd, seg->flags, buf + 44);
-
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 48, abfd) != 48)
- return -1;
-
- {
- char buf[1024];
- bfd_vma nbytes = seg->filesize;
- bfd_vma curoff = seg->fileoff;
-
- while (nbytes > 0)
- {
- bfd_vma thisread = nbytes;
-
- if (thisread > 1024)
- thisread = 1024;
-
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
- return -1;
-
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
- return -1;
-
- nbytes -= thisread;
- curoff += thisread;
- }
- }
-
- for (i = 0; i < seg->nsects; i++)
- {
- bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
-
- if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0)
- return -1;
- }
+ return bfd_mach_o_read_segment (abfd, command, 0);
+}
- return 0;
+static int
+bfd_mach_o_read_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ return bfd_mach_o_read_segment (abfd, command, 1);
}
static int
-bfd_mach_o_scan_read_command (abfd, command)
- bfd *abfd;
- bfd_mach_o_load_command *command;
+bfd_mach_o_read_command (bfd *abfd, bfd_mach_o_load_command *command)
{
unsigned char buf[8];
- bfd_seek (abfd, command->offset, SEEK_SET);
- if (bfd_bread ((PTR) buf, 8, abfd) != 8)
+ /* Read command type and length. */
+ if (bfd_seek (abfd, command->offset, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 8, abfd) != 8)
return -1;
- command->type = (bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD);
+ command->type = bfd_h_get_32 (abfd, buf) & ~BFD_MACH_O_LC_REQ_DYLD;
command->type_required = (bfd_h_get_32 (abfd, buf) & BFD_MACH_O_LC_REQ_DYLD
- ? 1 : 0);
+ ? TRUE : FALSE);
command->len = bfd_h_get_32 (abfd, buf + 4);
switch (command->type)
{
case BFD_MACH_O_LC_SEGMENT:
- if (bfd_mach_o_scan_read_segment (abfd, command) != 0)
+ if (bfd_mach_o_read_segment_32 (abfd, command) != 0)
+ return -1;
+ break;
+ case BFD_MACH_O_LC_SEGMENT_64:
+ if (bfd_mach_o_read_segment_64 (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_SYMTAB:
- if (bfd_mach_o_scan_read_symtab (abfd, command) != 0)
+ if (bfd_mach_o_read_symtab (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_SYMSEG:
break;
case BFD_MACH_O_LC_THREAD:
case BFD_MACH_O_LC_UNIXTHREAD:
- if (bfd_mach_o_scan_read_thread (abfd, command) != 0)
+ if (bfd_mach_o_read_thread (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_LOAD_DYLINKER:
case BFD_MACH_O_LC_ID_DYLINKER:
- if (bfd_mach_o_scan_read_dylinker (abfd, command) != 0)
+ if (bfd_mach_o_read_dylinker (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_LOAD_DYLIB:
case BFD_MACH_O_LC_ID_DYLIB:
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
- if (bfd_mach_o_scan_read_dylib (abfd, command) != 0)
+ case BFD_MACH_O_LC_REEXPORT_DYLIB:
+ if (bfd_mach_o_read_dylib (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_PREBOUND_DYLIB:
- if (bfd_mach_o_scan_read_prebound_dylib (abfd, command) != 0)
+ if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
return -1;
break;
case BFD_MACH_O_LC_LOADFVMLIB:
case BFD_MACH_O_LC_FVMFILE:
case BFD_MACH_O_LC_PREPAGE:
case BFD_MACH_O_LC_ROUTINES:
+ break;
case BFD_MACH_O_LC_SUB_FRAMEWORK:
+ case BFD_MACH_O_LC_SUB_UMBRELLA:
+ case BFD_MACH_O_LC_SUB_LIBRARY:
+ case BFD_MACH_O_LC_SUB_CLIENT:
+ case BFD_MACH_O_LC_RPATH:
+ if (bfd_mach_o_read_str (abfd, command) != 0)
+ return -1;
break;
case BFD_MACH_O_LC_DYSYMTAB:
- if (bfd_mach_o_scan_read_dysymtab (abfd, command) != 0)
+ if (bfd_mach_o_read_dysymtab (abfd, command) != 0)
return -1;
break;
- case BFD_MACH_O_LC_SUB_UMBRELLA:
- case BFD_MACH_O_LC_SUB_CLIENT:
- case BFD_MACH_O_LC_SUB_LIBRARY:
case BFD_MACH_O_LC_TWOLEVEL_HINTS:
case BFD_MACH_O_LC_PREBIND_CKSUM:
break;
+ case BFD_MACH_O_LC_UUID:
+ if (bfd_mach_o_read_uuid (abfd, command) != 0)
+ return -1;
+ break;
+ case BFD_MACH_O_LC_CODE_SIGNATURE:
+ case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
+ if (bfd_mach_o_read_linkedit (abfd, command) != 0)
+ return -1;
+ break;
+ case BFD_MACH_O_LC_DYLD_INFO:
+ if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
+ return -1;
+ break;
default:
fprintf (stderr, "unable to read unknown load command 0x%lx\n",
(unsigned long) command->type);
}
static void
-bfd_mach_o_flatten_sections (abfd)
- bfd *abfd;
+bfd_mach_o_flatten_sections (bfd *abfd)
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
long csect = 0;
unsigned long i, j;
+ /* Count total number of sections. */
mdata->nsects = 0;
for (i = 0; i < mdata->header.ncmds; i++)
{
- if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT)
+ if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
+ || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
{
bfd_mach_o_segment_command *seg;
}
}
+ /* Allocate sections array. */
mdata->sections = bfd_alloc (abfd,
mdata->nsects * sizeof (bfd_mach_o_section *));
+
+ /* Fill the array. */
csect = 0;
for (i = 0; i < mdata->header.ncmds; i++)
{
- if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT)
+ if (mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT
+ || mdata->commands[i].type == BFD_MACH_O_LC_SEGMENT_64)
{
bfd_mach_o_segment_command *seg;
}
int
-bfd_mach_o_scan_start_address (abfd)
- bfd *abfd;
+bfd_mach_o_scan_start_address (bfd *abfd)
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
bfd_mach_o_thread_command *cmd = NULL;
unsigned long i;
{
if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
&& (cmd->flavours[i].flavour
- == (unsigned long) BFD_MACH_O_i386_THREAD_STATE))
+ == (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
{
unsigned char buf[4];
- bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET);
-
- if (bfd_bread (buf, 4, abfd) != 4)
+ if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
+ || bfd_bread (buf, 4, abfd) != 4)
return -1;
abfd->start_address = bfd_h_get_32 (abfd, buf);
{
unsigned char buf[4];
- bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET);
-
- if (bfd_bread (buf, 4, abfd) != 4)
+ if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
+ || bfd_bread (buf, 4, abfd) != 4)
return -1;
abfd->start_address = bfd_h_get_32 (abfd, buf);
}
+ else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
+ && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
+ {
+ unsigned char buf[8];
+
+ if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
+ || bfd_bread (buf, 8, abfd) != 8)
+ return -1;
+
+ abfd->start_address = bfd_h_get_64 (abfd, buf);
+ }
+ else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
+ && (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
+ {
+ unsigned char buf[8];
+
+ if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
+ || bfd_bread (buf, 8, abfd) != 8)
+ return -1;
+
+ abfd->start_address = bfd_h_get_64 (abfd, buf);
+ }
}
return 0;
}
+bfd_boolean
+bfd_mach_o_set_arch_mach (bfd *abfd,
+ enum bfd_architecture arch,
+ unsigned long machine)
+{
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+
+ /* If this isn't the right architecture for this backend, and this
+ isn't the generic backend, fail. */
+ if (arch != bed->arch
+ && arch != bfd_arch_unknown
+ && bed->arch != bfd_arch_unknown)
+ return FALSE;
+
+ return bfd_default_set_arch_mach (abfd, arch, machine);
+}
+
int
-bfd_mach_o_scan (abfd, header, mdata)
- bfd *abfd;
- bfd_mach_o_header *header;
- bfd_mach_o_data_struct *mdata;
+bfd_mach_o_scan (bfd *abfd,
+ bfd_mach_o_header *header,
+ bfd_mach_o_data_struct *mdata)
{
unsigned int i;
enum bfd_architecture cputype;
unsigned long cpusubtype;
+ unsigned int hdrsize;
+
+ hdrsize = mach_o_wide_p (header) ?
+ BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
mdata->header = *header;
- mdata->symbols = NULL;
- abfd->flags = (abfd->xvec->object_flags
- | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)));
+ abfd->flags = abfd->flags & BFD_IN_MEMORY;
+ switch (header->filetype)
+ {
+ case BFD_MACH_O_MH_OBJECT:
+ abfd->flags |= HAS_RELOC;
+ break;
+ case BFD_MACH_O_MH_EXECUTE:
+ abfd->flags |= EXEC_P;
+ break;
+ case BFD_MACH_O_MH_DYLIB:
+ case BFD_MACH_O_MH_BUNDLE:
+ abfd->flags |= DYNAMIC;
+ break;
+ }
+
abfd->tdata.mach_o_data = mdata;
bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
if (header->ncmds != 0)
{
- mdata->commands =
- ((bfd_mach_o_load_command *)
- bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)));
+ mdata->commands = bfd_alloc
+ (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
if (mdata->commands == NULL)
return -1;
bfd_mach_o_load_command *cur = &mdata->commands[i];
if (i == 0)
- cur->offset = 28;
+ cur->offset = hdrsize;
else
{
bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
cur->offset = prev->offset + prev->len;
}
- if (bfd_mach_o_scan_read_command (abfd, cur) < 0)
+ if (bfd_mach_o_read_command (abfd, cur) < 0)
return -1;
}
}
if (bfd_mach_o_scan_start_address (abfd) < 0)
- {
-#if 0
- fprintf (stderr, "bfd_mach_o_scan: unable to scan start address: %s\n",
- bfd_errmsg (bfd_get_error ()));
- abfd->tdata.mach_o_data = NULL;
- return -1;
-#endif
- }
+ return -1;
bfd_mach_o_flatten_sections (abfd);
-
return 0;
}
bfd_boolean
-bfd_mach_o_mkobject (abfd)
- bfd *abfd;
+bfd_mach_o_mkobject_init (bfd *abfd)
{
bfd_mach_o_data_struct *mdata = NULL;
- mdata = ((bfd_mach_o_data_struct *)
- bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)));
+ mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
if (mdata == NULL)
return FALSE;
abfd->tdata.mach_o_data = mdata;
mdata->header.flags = 0;
mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
mdata->commands = NULL;
- mdata->nsymbols = 0;
- mdata->symbols = NULL;
mdata->nsects = 0;
mdata->sections = NULL;
- mdata->ibfd = NULL;
return TRUE;
}
-const bfd_target *
-bfd_mach_o_object_p (abfd)
- bfd *abfd;
+static bfd_boolean
+bfd_mach_o_gen_mkobject (bfd *abfd)
{
- struct bfd_preserve preserve;
- bfd_mach_o_header header;
-
- preserve.marker = NULL;
- if (bfd_mach_o_read_header (abfd, &header) != 0)
- goto wrong;
-
- if (! (header.byteorder == BFD_ENDIAN_BIG
- || header.byteorder == BFD_ENDIAN_LITTLE))
- {
- fprintf (stderr, "unknown header byte-order value 0x%lx\n",
- (long) header.byteorder);
- goto wrong;
- }
-
- if (! ((header.byteorder == BFD_ENDIAN_BIG
- && abfd->xvec->byteorder == BFD_ENDIAN_BIG
- && abfd->xvec->header_byteorder == BFD_ENDIAN_BIG)
- || (header.byteorder == BFD_ENDIAN_LITTLE
- && abfd->xvec->byteorder == BFD_ENDIAN_LITTLE
- && abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
- goto wrong;
-
- preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
- if (preserve.marker == NULL
- || !bfd_preserve_save (abfd, &preserve))
- goto fail;
+ bfd_mach_o_data_struct *mdata;
- if (bfd_mach_o_scan (abfd, &header,
- (bfd_mach_o_data_struct *) preserve.marker) != 0)
- goto wrong;
-
- bfd_preserve_finish (abfd, &preserve);
- return abfd->xvec;
+ if (!bfd_mach_o_mkobject_init (abfd))
+ return FALSE;
- wrong:
- bfd_set_error (bfd_error_wrong_format);
+ mdata = bfd_mach_o_get_data (abfd);
+ mdata->header.magic = BFD_MACH_O_MH_MAGIC;
+ mdata->header.cputype = 0;
+ mdata->header.cpusubtype = 0;
+ mdata->header.byteorder = abfd->xvec->byteorder;
+ mdata->header.version = 1;
- fail:
- if (preserve.marker != NULL)
- bfd_preserve_restore (abfd, &preserve);
- return NULL;
+ return TRUE;
}
const bfd_target *
-bfd_mach_o_core_p (abfd)
- bfd *abfd;
+bfd_mach_o_header_p (bfd *abfd,
+ bfd_mach_o_filetype filetype,
+ bfd_mach_o_cpu_type cputype)
{
struct bfd_preserve preserve;
bfd_mach_o_header header;
preserve.marker = NULL;
- if (bfd_mach_o_read_header (abfd, &header) != 0)
+ if (!bfd_mach_o_read_header (abfd, &header))
goto wrong;
if (! (header.byteorder == BFD_ENDIAN_BIG
|| header.byteorder == BFD_ENDIAN_LITTLE))
{
fprintf (stderr, "unknown header byte-order value 0x%lx\n",
- (long) header.byteorder);
- abort ();
+ (unsigned long) header.byteorder);
+ goto wrong;
}
if (! ((header.byteorder == BFD_ENDIAN_BIG
&& abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
goto wrong;
- if (header.filetype != BFD_MACH_O_MH_CORE)
- goto wrong;
+ /* Check cputype and filetype.
+ In case of wildcard, do not accept magics that are handled by existing
+ targets. */
+ if (cputype)
+ {
+ if (header.cputype != cputype)
+ goto wrong;
+ }
+ else
+ {
+ switch (header.cputype)
+ {
+ case BFD_MACH_O_CPU_TYPE_I386:
+ /* Handled by mach-o-i386 */
+ goto wrong;
+ default:
+ break;
+ }
+ }
+ if (filetype)
+ {
+ if (header.filetype != filetype)
+ goto wrong;
+ }
+ else
+ {
+ switch (header.filetype)
+ {
+ case BFD_MACH_O_MH_CORE:
+ /* Handled by core_p */
+ goto wrong;
+ default:
+ break;
+ }
+ }
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
if (preserve.marker == NULL
return NULL;
}
+static const bfd_target *
+bfd_mach_o_gen_object_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, 0, 0);
+}
+
+static const bfd_target *
+bfd_mach_o_gen_core_p (bfd *abfd)
+{
+ return bfd_mach_o_header_p (abfd, BFD_MACH_O_MH_CORE, 0);
+}
+
typedef struct mach_o_fat_archentry
{
unsigned long cputype;
unsigned long offset;
unsigned long size;
unsigned long align;
- bfd *abfd;
} mach_o_fat_archentry;
typedef struct mach_o_fat_data_struct
} mach_o_fat_data_struct;
const bfd_target *
-bfd_mach_o_archive_p (abfd)
- bfd *abfd;
+bfd_mach_o_archive_p (bfd *abfd)
{
mach_o_fat_data_struct *adata = NULL;
unsigned char buf[20];
unsigned long i;
- bfd_seek (abfd, 0, SEEK_SET);
- if (bfd_bread ((PTR) buf, 8, abfd) != 8)
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 8, abfd) != 8)
goto error;
- adata = (mach_o_fat_data_struct *)
- bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
+ adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
if (adata == NULL)
goto error;
adata->nfat_arch = bfd_getb32 (buf + 4);
if (adata->magic != 0xcafebabe)
goto error;
+ /* Avoid matching Java bytecode files, which have the same magic number.
+ In the Java bytecode file format this field contains the JVM version,
+ which starts at 43.0. */
+ if (adata->nfat_arch > 30)
+ goto error;
- adata->archentries = (mach_o_fat_archentry *)
+ adata->archentries =
bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
if (adata->archentries == NULL)
goto error;
for (i = 0; i < adata->nfat_arch; i++)
{
- bfd_seek (abfd, 8 + 20 * i, SEEK_SET);
-
- if (bfd_bread ((PTR) buf, 20, abfd) != 20)
+ if (bfd_seek (abfd, 8 + 20 * i, SEEK_SET) != 0
+ || bfd_bread ((void *) buf, 20, abfd) != 20)
goto error;
adata->archentries[i].cputype = bfd_getb32 (buf);
adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
adata->archentries[i].offset = bfd_getb32 (buf + 8);
adata->archentries[i].size = bfd_getb32 (buf + 12);
adata->archentries[i].align = bfd_getb32 (buf + 16);
- adata->archentries[i].abfd = NULL;
}
abfd->tdata.mach_o_fat_data = adata;
}
bfd *
-bfd_mach_o_openr_next_archived_file (archive, prev)
- bfd *archive;
- bfd *prev;
+bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
{
mach_o_fat_data_struct *adata;
mach_o_fat_archentry *entry = NULL;
unsigned long i;
+ bfd *nbfd;
+ enum bfd_architecture arch_type;
+ unsigned long arch_subtype;
adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
BFD_ASSERT (adata != NULL);
{
for (i = 0; i < adata->nfat_arch; i++)
{
- if (adata->archentries[i].abfd == prev)
+ if (adata->archentries[i].offset == prev->origin)
break;
}
}
entry = &adata->archentries[i];
- if (entry->abfd == NULL)
+ nbfd = _bfd_new_bfd_contained_in (archive);
+ if (nbfd == NULL)
+ return NULL;
+
+ nbfd->origin = entry->offset;
+
+ bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
+ &arch_type, &arch_subtype);
+ /* Create the member filename.
+ Use FILENAME:ARCH_NAME. */
+ {
+ char *s = NULL;
+ const char *arch_name;
+ size_t arch_file_len = strlen (bfd_get_filename (archive));
+
+ arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
+ s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
+ if (s == NULL)
+ return NULL;
+ memcpy (s, bfd_get_filename (archive), arch_file_len);
+ s[arch_file_len] = ':';
+ strcpy (s + arch_file_len + 1, arch_name);
+ nbfd->filename = s;
+ }
+ nbfd->iostream = NULL;
+ bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
+
+ return nbfd;
+}
+
+/* If ABFD format is FORMAT and architecture is ARCH, return it.
+ If ABFD is a fat image containing a member that corresponds to FORMAT
+ and ARCH, returns it.
+ In other case, returns NULL.
+ This function allows transparent uses of fat images. */
+bfd *
+bfd_mach_o_fat_extract (bfd *abfd,
+ bfd_format format,
+ const bfd_arch_info_type *arch)
+{
+ bfd *res;
+ mach_o_fat_data_struct *adata;
+ unsigned int i;
+
+ if (bfd_check_format (abfd, format))
{
- bfd *nbfd = _bfd_new_bfd_contained_in (archive);
- char *s = NULL;
+ if (bfd_get_arch_info (abfd) == arch)
+ return abfd;
+ return NULL;
+ }
+ if (!bfd_check_format (abfd, bfd_archive)
+ || abfd->xvec != &mach_o_fat_vec)
+ return NULL;
- if (nbfd == NULL)
- return NULL;
+ /* This is a Mach-O fat image. */
+ adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
+ BFD_ASSERT (adata != NULL);
- nbfd->origin = entry->offset;
- s = bfd_malloc (strlen (archive->filename) + 1);
- if (s == NULL)
+ for (i = 0; i < adata->nfat_arch; i++)
+ {
+ struct mach_o_fat_archentry *e = &adata->archentries[i];
+ enum bfd_architecture cpu_type;
+ unsigned long cpu_subtype;
+
+ bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
+ &cpu_type, &cpu_subtype);
+ if (cpu_type != arch->arch || cpu_subtype != arch->mach)
+ continue;
+
+ /* The architecture is found. */
+ res = _bfd_new_bfd_contained_in (abfd);
+ if (res == NULL)
return NULL;
- strcpy (s, archive->filename);
- nbfd->filename = s;
- nbfd->iostream = NULL;
- entry->abfd = nbfd;
+
+ res->origin = e->offset;
+
+ res->filename = strdup (abfd->filename);
+ res->iostream = NULL;
+
+ if (bfd_check_format (res, format))
+ {
+ BFD_ASSERT (bfd_get_arch_info (res) == arch);
+ return res;
+ }
+ bfd_close (res);
+ return NULL;
}
- return entry->abfd;
+ return NULL;
}
int
-bfd_mach_o_lookup_section (abfd, section, mcommand, msection)
- bfd *abfd;
- asection *section;
- bfd_mach_o_load_command **mcommand;
- bfd_mach_o_section **msection;
+bfd_mach_o_lookup_section (bfd *abfd,
+ asection *section,
+ bfd_mach_o_load_command **mcommand,
+ bfd_mach_o_section **msection)
{
- struct mach_o_data_struct *md = abfd->tdata.mach_o_data;
+ struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
unsigned int i, j, num;
bfd_mach_o_load_command *ncmd = NULL;
struct bfd_mach_o_load_command *cmd = &md->commands[i];
struct bfd_mach_o_segment_command *seg = NULL;
- if (cmd->type != BFD_MACH_O_LC_SEGMENT)
+ if (cmd->type != BFD_MACH_O_LC_SEGMENT
+ || cmd->type != BFD_MACH_O_LC_SEGMENT_64)
continue;
seg = &cmd->command.segment;
- if (seg->segment == section)
- {
- if (num == 0)
- ncmd = cmd;
- num++;
- }
-
for (j = 0; j < seg->nsects; j++)
{
struct bfd_mach_o_section *sect = &seg->sections[j];
if (sect->bfdsection == section)
{
if (num == 0)
- nsect = sect;
+ {
+ nsect = sect;
+ ncmd = cmd;
+ }
num++;
}
}
}
int
-bfd_mach_o_lookup_command (abfd, type, mcommand)
- bfd *abfd;
- bfd_mach_o_load_command_type type;
- bfd_mach_o_load_command **mcommand;
+bfd_mach_o_lookup_command (bfd *abfd,
+ bfd_mach_o_load_command_type type,
+ bfd_mach_o_load_command **mcommand)
{
- struct mach_o_data_struct *md = NULL;
+ struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
bfd_mach_o_load_command *ncmd = NULL;
unsigned int i, num;
- md = abfd->tdata.mach_o_data;
-
BFD_ASSERT (md != NULL);
BFD_ASSERT (mcommand != NULL);
}
unsigned long
-bfd_mach_o_stack_addr (type)
- enum bfd_mach_o_cpu_type type;
+bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
{
switch (type)
{
}
}
+typedef struct bfd_mach_o_xlat_name
+{
+ const char *name;
+ unsigned long val;
+}
+bfd_mach_o_xlat_name;
+
+static void
+bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
+ unsigned long val,
+ FILE *file)
+{
+ int first = 1;
+
+ for (; table->name; table++)
+ {
+ if (table->val & val)
+ {
+ if (!first)
+ fprintf (file, "+");
+ fprintf (file, "%s", table->name);
+ val &= ~table->val;
+ first = 0;
+ }
+ }
+ if (val)
+ {
+ if (!first)
+ fprintf (file, "+");
+ fprintf (file, "0x%lx", val);
+ return;
+ }
+ if (first)
+ fprintf (file, "-");
+}
+
+static const char *
+bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
+{
+ for (; table->name; table++)
+ if (table->val == val)
+ return table->name;
+ return "*UNKNOWN*";
+}
+
+static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
+{
+ { "vax", BFD_MACH_O_CPU_TYPE_VAX },
+ { "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
+ { "i386", BFD_MACH_O_CPU_TYPE_I386 },
+ { "mips", BFD_MACH_O_CPU_TYPE_MIPS },
+ { "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
+ { "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
+ { "arm", BFD_MACH_O_CPU_TYPE_ARM },
+ { "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
+ { "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
+ { "i860", BFD_MACH_O_CPU_TYPE_I860 },
+ { "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
+ { "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
+ { "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
+ { "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
+ { NULL, 0}
+};
+
+static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
+{
+ { "object", BFD_MACH_O_MH_OBJECT },
+ { "execute", BFD_MACH_O_MH_EXECUTE },
+ { "fvmlib", BFD_MACH_O_MH_FVMLIB },
+ { "core", BFD_MACH_O_MH_CORE },
+ { "preload", BFD_MACH_O_MH_PRELOAD },
+ { "dylib", BFD_MACH_O_MH_DYLIB },
+ { "dylinker", BFD_MACH_O_MH_DYLINKER },
+ { "bundle", BFD_MACH_O_MH_BUNDLE },
+ { "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
+ { "dym", BFD_MACH_O_MH_DSYM },
+ { "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
+ { NULL, 0}
+};
+
+static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
+{
+ { "noundefs", BFD_MACH_O_MH_NOUNDEFS },
+ { "incrlink", BFD_MACH_O_MH_INCRLINK },
+ { "dyldlink", BFD_MACH_O_MH_DYLDLINK },
+ { "bindatload", BFD_MACH_O_MH_BINDATLOAD },
+ { "prebound", BFD_MACH_O_MH_PREBOUND },
+ { "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
+ { "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
+ { "twolevel", BFD_MACH_O_MH_TWOLEVEL },
+ { "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
+ { "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
+ { "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
+ { "prebindable", BFD_MACH_O_MH_PREBINDABLE },
+ { "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
+ { "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
+ { "canonical", BFD_MACH_O_MH_CANONICAL },
+ { "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
+ { "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
+ { "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
+ { "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
+ { "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
+ { "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
+ { "pie", BFD_MACH_O_MH_PIE },
+ { NULL, 0}
+};
+
+static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
+{
+ { "regular", BFD_MACH_O_S_REGULAR},
+ { "zerofill", BFD_MACH_O_S_ZEROFILL},
+ { "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
+ { "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
+ { "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
+ { "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
+ { "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
+ { "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
+ { "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
+ { "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
+ { "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
+ { "coalesced", BFD_MACH_O_S_COALESCED},
+ { "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
+ { "interposing", BFD_MACH_O_S_INTERPOSING},
+ { "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
+ { "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
+ { "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
+ { NULL, 0}
+};
+
+static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
+{
+ { "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
+ { "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
+ { "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
+ { "debug", BFD_MACH_O_S_ATTR_DEBUG },
+ { "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
+ { "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
+ { "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
+ { "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
+ { "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
+ { "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
+ { NULL, 0}
+};
+
+static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
+{
+ { "segment", BFD_MACH_O_LC_SEGMENT},
+ { "symtab", BFD_MACH_O_LC_SYMTAB},
+ { "symseg", BFD_MACH_O_LC_SYMSEG},
+ { "thread", BFD_MACH_O_LC_THREAD},
+ { "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
+ { "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
+ { "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
+ { "ident", BFD_MACH_O_LC_IDENT},
+ { "fvmfile", BFD_MACH_O_LC_FVMFILE},
+ { "prepage", BFD_MACH_O_LC_PREPAGE},
+ { "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
+ { "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
+ { "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
+ { "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
+ { "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
+ { "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
+ { "routines", BFD_MACH_O_LC_ROUTINES},
+ { "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
+ { "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
+ { "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
+ { "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
+ { "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
+ { "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
+ { "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
+ { "segment_64", BFD_MACH_O_LC_SEGMENT_64},
+ { "routines_64", BFD_MACH_O_LC_ROUTINES_64},
+ { "uuid", BFD_MACH_O_LC_UUID},
+ { "rpath", BFD_MACH_O_LC_RPATH},
+ { "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
+ { "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
+ { "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
+ { "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
+ { "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
+ { "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
+ { NULL, 0}
+};
+
+static void
+bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ bfd_mach_o_header *h = &mdata->header;
+
+ fputs (_("Mach-O header:\n"), file);
+ fprintf (file, _(" magic : %08lx\n"), h->magic);
+ fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
+ bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
+ fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
+ fprintf (file, _(" filetype : %08lx (%s)\n"),
+ h->filetype,
+ bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
+ fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
+ fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
+ fprintf (file, _(" flags : %08lx ("), h->flags);
+ bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
+ fputs (_(")\n"), file);
+ fprintf (file, _(" reserved : %08x\n"), h->reserved);
+}
+
+static void
+bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned int i, j;
+ unsigned int sec_nbr = 0;
+
+ fputs (_("Segments and Sections:\n"), file);
+ fputs (_(" #: Segment name Section name Address\n"), file);
+
+ for (i = 0; i < mdata->header.ncmds; i++)
+ {
+ bfd_mach_o_segment_command *seg;
+
+ if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
+ && mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
+ continue;
+
+ seg = &mdata->commands[i].command.segment;
+
+ fprintf (file, "[Segment %-16s ", seg->segname);
+ fprintf_vma (file, seg->vmaddr);
+ fprintf (file, "-");
+ fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
+ fputc (' ', file);
+ fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
+ fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
+ fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
+ fprintf (file, "]\n");
+ for (j = 0; j < seg->nsects; j++)
+ {
+ bfd_mach_o_section *sec = &seg->sections[j];
+ fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
+ sec->segname, sec->sectname);
+ fprintf_vma (file, sec->addr);
+ fprintf (file, " ");
+ fprintf_vma (file, sec->size);
+ fprintf (file, " %08lx\n", sec->flags);
+ }
+ }
+}
+
+static void
+bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_mach_o_section *sec, FILE *file)
+{
+ fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
+ sec->sectname, sec->segname, sec->bfdsection->name);
+ fprintf (file, " addr: ");
+ fprintf_vma (file, sec->addr);
+ fprintf (file, " size: ");
+ fprintf_vma (file, sec->size);
+ fprintf (file, " offset: ");
+ fprintf_vma (file, sec->offset);
+ fprintf (file, "\n");
+ fprintf (file, " align: %ld", sec->align);
+ fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
+ fprintf_vma (file, sec->reloff);
+ fprintf (file, "\n");
+ fprintf (file, " flags: %08lx (type: %s", sec->flags,
+ bfd_mach_o_get_name (bfd_mach_o_section_type_name,
+ sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
+ fprintf (file, " attr: ");
+ bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
+ sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
+ file);
+ fprintf (file, ")\n");
+ switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ {
+ case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_SYMBOL_STUBS:
+ fprintf (file, " first indirect sym: %lu", sec->reserved1);
+ fprintf (file, " (%u entries)",
+ bfd_mach_o_section_get_nbr_indirect (abfd, sec));
+ break;
+ default:
+ fprintf (file, " reserved1: 0x%lx", sec->reserved1);
+ break;
+ }
+ switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ {
+ case BFD_MACH_O_S_SYMBOL_STUBS:
+ fprintf (file, " stub size: %lu", sec->reserved2);
+ break;
+ default:
+ fprintf (file, " reserved2: 0x%lx", sec->reserved2);
+ break;
+ }
+ fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
+}
+
+static void
+bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_mach_o_load_command *cmd, FILE *file)
+{
+ bfd_mach_o_segment_command *seg = &cmd->command.segment;
+ unsigned int i;
+
+ fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
+ fprintf (file, " vmaddr: ");
+ fprintf_vma (file, seg->vmaddr);
+ fprintf (file, " vmsize: ");
+ fprintf_vma (file, seg->vmsize);
+ fprintf (file, "\n");
+ fprintf (file, " fileoff: ");
+ fprintf_vma (file, seg->fileoff);
+ fprintf (file, " filesize: ");
+ fprintf_vma (file, (bfd_vma)seg->filesize);
+ fprintf (file, " endoff: ");
+ fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
+ fprintf (file, "\n");
+ fprintf (file, " nsects: %lu ", seg->nsects);
+ fprintf (file, " flags: %lx\n", seg->flags);
+ for (i = 0; i < seg->nsects; i++)
+ bfd_mach_o_print_section (abfd, &seg->sections[i], file);
+}
+
+static void
+bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_mach_o_load_command *cmd, FILE *file)
+{
+ bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned int i;
+
+ fprintf (file, " local symbols: idx: %10lu num: %-8lu",
+ dysymtab->ilocalsym, dysymtab->nlocalsym);
+ fprintf (file, " (nxtidx: %lu)\n",
+ dysymtab->ilocalsym + dysymtab->nlocalsym);
+ fprintf (file, " external symbols: idx: %10lu num: %-8lu",
+ dysymtab->iextdefsym, dysymtab->nextdefsym);
+ fprintf (file, " (nxtidx: %lu)\n",
+ dysymtab->iextdefsym + dysymtab->nextdefsym);
+ fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
+ dysymtab->iundefsym, dysymtab->nundefsym);
+ fprintf (file, " (nxtidx: %lu)\n",
+ dysymtab->iundefsym + dysymtab->nundefsym);
+ fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
+ dysymtab->tocoff, dysymtab->ntoc);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->tocoff
+ + dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
+ fprintf (file, " module table: off: 0x%08lx num: %-8lu",
+ dysymtab->modtaboff, dysymtab->nmodtab);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->modtaboff + dysymtab->nmodtab
+ * (mach_o_wide_p (&mdata->header) ?
+ BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
+ fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
+ dysymtab->extrefsymoff, dysymtab->nextrefsyms);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->extrefsymoff
+ + dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
+ fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
+ dysymtab->indirectsymoff, dysymtab->nindirectsyms);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->indirectsymoff
+ + dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
+ fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
+ dysymtab->extreloff, dysymtab->nextrel);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
+ fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
+ dysymtab->locreloff, dysymtab->nlocrel);
+ fprintf (file, " (endoff: 0x%08lx)\n",
+ dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
+
+ if (dysymtab->ntoc > 0
+ || dysymtab->nindirectsyms > 0
+ || dysymtab->nextrefsyms > 0)
+ {
+ /* Try to read the symbols to display the toc or indirect symbols. */
+ bfd_mach_o_read_symtab_symbols (abfd);
+ }
+ else if (dysymtab->nmodtab > 0)
+ {
+ /* Try to read the strtab to display modules name. */
+ bfd_mach_o_read_symtab_strtab (abfd);
+ }
+
+ for (i = 0; i < dysymtab->nmodtab; i++)
+ {
+ bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
+ fprintf (file, " module %u:\n", i);
+ fprintf (file, " name: %lu", module->module_name_idx);
+ if (mdata->symtab && mdata->symtab->strtab)
+ fprintf (file, ": %s",
+ mdata->symtab->strtab + module->module_name_idx);
+ fprintf (file, "\n");
+ fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
+ module->iextdefsym, module->nextdefsym);
+ fprintf (file, " refsym: idx: %8lu num: %lu\n",
+ module->irefsym, module->nrefsym);
+ fprintf (file, " localsym: idx: %8lu num: %lu\n",
+ module->ilocalsym, module->nlocalsym);
+ fprintf (file, " extrel: idx: %8lu num: %lu\n",
+ module->iextrel, module->nextrel);
+ fprintf (file, " init: idx: %8u num: %u\n",
+ module->iinit, module->ninit);
+ fprintf (file, " term: idx: %8u num: %u\n",
+ module->iterm, module->nterm);
+ fprintf (file, " objc_module_info: addr: ");
+ fprintf_vma (file, module->objc_module_info_addr);
+ fprintf (file, " size: %lu\n", module->objc_module_info_size);
+ }
+
+ if (dysymtab->ntoc > 0)
+ {
+ bfd_mach_o_symtab_command *symtab = mdata->symtab;
+
+ fprintf (file, " table of content: (symbol/module)\n");
+ for (i = 0; i < dysymtab->ntoc; i++)
+ {
+ bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
+
+ fprintf (file, " %4u: ", i);
+ if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
+ {
+ const char *name = symtab->symbols[toc->symbol_index].symbol.name;
+ fprintf (file, "%s (%lu)", name ? name : "*invalid*",
+ toc->symbol_index);
+ }
+ else
+ fprintf (file, "%lu", toc->symbol_index);
+
+ fprintf (file, " / ");
+ if (symtab && symtab->strtab
+ && toc->module_index < dysymtab->nmodtab)
+ {
+ bfd_mach_o_dylib_module *mod;
+ mod = &dysymtab->dylib_module[toc->module_index];
+ fprintf (file, "%s (%lu)",
+ symtab->strtab + mod->module_name_idx,
+ toc->module_index);
+ }
+ else
+ fprintf (file, "%lu", toc->module_index);
+
+ fprintf (file, "\n");
+ }
+ }
+
+ if (dysymtab->nindirectsyms != 0)
+ {
+ fprintf (file, " indirect symbols:\n");
+
+ for (i = 0; i < mdata->nsects; i++)
+ {
+ bfd_mach_o_section *sec = mdata->sections[i];
+ unsigned int j, first, last;
+ bfd_mach_o_symtab_command *symtab = mdata->symtab;
+ bfd_vma addr;
+ bfd_vma entry_size;
+
+ switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
+ {
+ case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
+ case BFD_MACH_O_S_SYMBOL_STUBS:
+ first = sec->reserved1;
+ last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
+ addr = sec->addr;
+ entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
+ fprintf (file, " for section %s.%s:\n",
+ sec->segname, sec->sectname);
+ for (j = first; j < last; j++)
+ {
+ unsigned int isym = dysymtab->indirect_syms[j];
+
+ fprintf (file, " ");
+ fprintf_vma (file, addr);
+ fprintf (file, " %5u: 0x%08x", j, isym);
+ if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
+ fprintf (file, " LOCAL");
+ if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
+ fprintf (file, " ABSOLUTE");
+ if (symtab && symtab->symbols
+ && isym < symtab->nsyms
+ && symtab->symbols[isym].symbol.name)
+ fprintf (file, " %s", symtab->symbols[isym].symbol.name);
+ fprintf (file, "\n");
+ addr += entry_size;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ }
+ if (dysymtab->nextrefsyms > 0)
+ {
+ bfd_mach_o_symtab_command *symtab = mdata->symtab;
+
+ fprintf (file, " external reference table: (symbol flags)\n");
+ for (i = 0; i < dysymtab->nextrefsyms; i++)
+ {
+ bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
+
+ fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
+ if (symtab && symtab->symbols
+ && ref->isym < symtab->nsyms
+ && symtab->symbols[ref->isym].symbol.name)
+ fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
+ fprintf (file, "\n");
+ }
+ }
+
+}
+
+static void
+bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_mach_o_load_command *cmd, FILE *file)
+{
+ bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
+
+ fprintf (file, " rebase: off: 0x%08x size: %-8u\n",
+ info->rebase_off, info->rebase_size);
+ fprintf (file, " bind: off: 0x%08x size: %-8u\n",
+ info->bind_off, info->bind_size);
+ fprintf (file, " weak bind: off: 0x%08x size: %-8u\n",
+ info->weak_bind_off, info->weak_bind_size);
+ fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n",
+ info->lazy_bind_off, info->lazy_bind_size);
+ fprintf (file, " export: off: 0x%08x size: %-8u\n",
+ info->export_off, info->export_size);
+}
+
+bfd_boolean
+bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ FILE *file = (FILE *) ptr;
+ unsigned int i;
+
+ bfd_mach_o_print_private_header (abfd, file);
+ fputc ('\n', file);
+
+ for (i = 0; i < mdata->header.ncmds; i++)
+ {
+ bfd_mach_o_load_command *cmd = &mdata->commands[i];
+
+ fprintf (file, "Load command %s:",
+ bfd_mach_o_get_name (bfd_mach_o_load_command_name, cmd->type));
+ switch (cmd->type)
+ {
+ case BFD_MACH_O_LC_SEGMENT:
+ case BFD_MACH_O_LC_SEGMENT_64:
+ bfd_mach_o_print_segment (abfd, cmd, file);
+ break;
+ case BFD_MACH_O_LC_UUID:
+ {
+ bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
+ unsigned int j;
+
+ for (j = 0; j < sizeof (uuid->uuid); j ++)
+ fprintf (file, " %02x", uuid->uuid[j]);
+ fputc ('\n', file);
+ }
+ break;
+ case BFD_MACH_O_LC_LOAD_DYLIB:
+ case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
+ case BFD_MACH_O_LC_REEXPORT_DYLIB:
+ case BFD_MACH_O_LC_ID_DYLIB:
+ {
+ bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
+ fprintf (file, " %s\n", dylib->name_str);
+ fprintf (file, " time stamp: 0x%08lx\n",
+ dylib->timestamp);
+ fprintf (file, " current version: 0x%08lx\n",
+ dylib->current_version);
+ fprintf (file, " comptibility version: 0x%08lx\n",
+ dylib->compatibility_version);
+ break;
+ }
+ case BFD_MACH_O_LC_LOAD_DYLINKER:
+ case BFD_MACH_O_LC_ID_DYLINKER:
+ fprintf (file, " %s\n", cmd->command.dylinker.name_str);
+ break;
+ case BFD_MACH_O_LC_SYMTAB:
+ {
+ bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
+ fprintf (file,
+ "\n"
+ " symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
+ symtab->symoff, symtab->nsyms,
+ symtab->symoff + symtab->nsyms
+ * (mach_o_wide_p (&mdata->header)
+ ? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
+ fprintf (file,
+ " stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
+ symtab->stroff, symtab->strsize,
+ symtab->stroff + symtab->strsize);
+ break;
+ }
+ case BFD_MACH_O_LC_DYSYMTAB:
+ fprintf (file, "\n");
+ bfd_mach_o_print_dysymtab (abfd, cmd, file);
+ break;
+ case BFD_MACH_O_LC_CODE_SIGNATURE:
+ case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
+ {
+ bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
+ fprintf
+ (file, "\n"
+ " dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
+ linkedit->dataoff, linkedit->datasize,
+ linkedit->dataoff + linkedit->datasize);
+ break;
+ }
+ case BFD_MACH_O_LC_SUB_FRAMEWORK:
+ case BFD_MACH_O_LC_SUB_UMBRELLA:
+ case BFD_MACH_O_LC_SUB_LIBRARY:
+ case BFD_MACH_O_LC_SUB_CLIENT:
+ case BFD_MACH_O_LC_RPATH:
+ {
+ bfd_mach_o_str_command *str = &cmd->command.str;
+ fprintf (file, " %s\n", str->str);
+ break;
+ }
+ case BFD_MACH_O_LC_THREAD:
+ case BFD_MACH_O_LC_UNIXTHREAD:
+ {
+ bfd_mach_o_thread_command *thread = &cmd->command.thread;
+ unsigned int j;
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+
+ fprintf (file, " nflavours: %lu\n", thread->nflavours);
+ for (j = 0; j < thread->nflavours; j++)
+ {
+ bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
+
+ fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
+ " size: 0x%08lx\n",
+ j, flavour->flavour, flavour->offset,
+ flavour->size);
+ if (bed->_bfd_mach_o_print_thread)
+ {
+ char *buf = bfd_malloc (flavour->size);
+
+ if (buf
+ && bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
+ && (bfd_bread (buf, flavour->size, abfd)
+ == flavour->size))
+ (*bed->_bfd_mach_o_print_thread)(abfd, flavour,
+ file, buf);
+ free (buf);
+ }
+ }
+ break;
+ }
+ case BFD_MACH_O_LC_DYLD_INFO:
+ fprintf (file, "\n");
+ bfd_mach_o_print_dyld_info (abfd, cmd, file);
+ break;
+ default:
+ fprintf (file, "\n");
+ break;
+ }
+ fputc ('\n', file);
+ }
+
+ bfd_mach_o_print_section_map (abfd, file);
+
+ return TRUE;
+}
+
int
-bfd_mach_o_core_fetch_environment (abfd, rbuf, rlen)
- bfd *abfd;
- unsigned char **rbuf;
- unsigned int *rlen;
+bfd_mach_o_core_fetch_environment (bfd *abfd,
+ unsigned char **rbuf,
+ unsigned int *rlen)
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
unsigned int i = 0;
if (size > (end - start))
size = (end - start);
- buf = bfd_realloc (buf, size);
+ buf = bfd_realloc_or_free (buf, size);
+ if (buf == NULL)
+ return -1;
+
+ if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
+ {
+ free (buf);
+ return -1;
+ }
- bfd_seek (abfd, end - size, SEEK_SET);
nread = bfd_bread (buf, size, abfd);
if (nread != size)
- return -1;
+ {
+ free (buf);
+ return -1;
+ }
for (offset = 4; offset <= size; offset += 4)
{
*rlen = top - bottom;
memcpy (*rbuf, buf + size - *rlen, *rlen);
+ free (buf);
return 0;
}
}
size *= 2;
}
+
+ free (buf);
}
}
}
char *
-bfd_mach_o_core_file_failing_command (abfd)
- bfd *abfd;
+bfd_mach_o_core_file_failing_command (bfd *abfd)
{
unsigned char *buf = NULL;
unsigned int len = 0;
if (ret < 0)
return NULL;
- return buf;
+ return (char *) buf;
}
int
-bfd_mach_o_core_file_failing_signal (abfd)
- bfd *abfd ATTRIBUTE_UNUSED;
+bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
{
return 0;
}
-bfd_boolean
-bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd)
- bfd *core_bfd ATTRIBUTE_UNUSED;
- bfd *exec_bfd ATTRIBUTE_UNUSED;
-{
- return TRUE;
-}
+#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
-#define TARGET_NAME mach_o_be_vec
-#define TARGET_STRING "mach-o-be"
-#define TARGET_BIG_ENDIAN 1
-#define TARGET_ARCHIVE 0
+#define bfd_mach_o_swap_reloc_in NULL
+#define bfd_mach_o_swap_reloc_out NULL
+#define bfd_mach_o_print_thread NULL
+#define TARGET_NAME mach_o_be_vec
+#define TARGET_STRING "mach-o-be"
+#define TARGET_ARCHITECTURE bfd_arch_unknown
+#define TARGET_BIG_ENDIAN 1
+#define TARGET_ARCHIVE 0
#include "mach-o-target.c"
#undef TARGET_NAME
#undef TARGET_STRING
+#undef TARGET_ARCHITECTURE
#undef TARGET_BIG_ENDIAN
#undef TARGET_ARCHIVE
-#define TARGET_NAME mach_o_le_vec
-#define TARGET_STRING "mach-o-le"
-#define TARGET_BIG_ENDIAN 0
-#define TARGET_ARCHIVE 0
+#define TARGET_NAME mach_o_le_vec
+#define TARGET_STRING "mach-o-le"
+#define TARGET_ARCHITECTURE bfd_arch_unknown
+#define TARGET_BIG_ENDIAN 0
+#define TARGET_ARCHIVE 0
#include "mach-o-target.c"
#undef TARGET_NAME
#undef TARGET_STRING
+#undef TARGET_ARCHITECTURE
#undef TARGET_BIG_ENDIAN
#undef TARGET_ARCHIVE
-#define TARGET_NAME mach_o_fat_vec
-#define TARGET_STRING "mach-o-fat"
-#define TARGET_BIG_ENDIAN 1
-#define TARGET_ARCHIVE 1
+#define TARGET_NAME mach_o_fat_vec
+#define TARGET_STRING "mach-o-fat"
+#define TARGET_ARCHITECTURE bfd_arch_unknown
+#define TARGET_BIG_ENDIAN 1
+#define TARGET_ARCHIVE 1
#include "mach-o-target.c"
#undef TARGET_NAME
#undef TARGET_STRING
+#undef TARGET_ARCHITECTURE
#undef TARGET_BIG_ENDIAN
#undef TARGET_ARCHIVE
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