/* Mach-O support for BFD.
- Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 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.
#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_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
-#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_find_inliner_info _bfd_nosymbols_find_inliner_info
-#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_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_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_is_group_section bfd_generic_is_group_section
-#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
-#define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked
-#define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data
-#define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p
-
-static unsigned int
+#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_false
+
+#define FILE_ALIGN(off, algn) \
+ (((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
+
+static int bfd_mach_o_scan_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 = abfd->tdata.mach_o_data;
+ mdata = bfd_mach_o_get_data (abfd);
return mdata->header.version;
}
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 (abfd->tdata.mach_o_data == NULL)
- return 0;
- return 1;
+ 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;
+};
+
+static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
+ {
+ { ".debug_frame", "__debug_frame" },
+ { ".debug_info", "__debug_info" },
+ { ".debug_abbrev", "__debug_abbrev" },
+ { ".debug_aranges", "__debug_aranges" },
+ { ".debug_macinfo", "__debug_macinfo" },
+ { ".debug_line", "__debug_line" },
+ { ".debug_loc", "__debug_loc" },
+ { ".debug_pubnames", "__debug_pubnames" },
+ { ".debug_pubtypes", "__debug_pubtypes" },
+ { ".debug_str", "__debug_str" },
+ { ".debug_ranges", "__debug_ranges" },
+ { NULL, NULL}
+ };
+
+static const struct mach_o_section_name_xlat text_section_names_xlat[] =
+ {
+ { ".text", "__text" },
+ { ".const", "__const" },
+ { ".cstring", "__cstring" },
+ { ".eh_frame", "__eh_frame" },
+ { NULL, NULL}
+ };
+
+static const struct mach_o_section_name_xlat data_section_names_xlat[] =
+ {
+ { ".data", "__data" },
+ { ".bss", "__bss" },
+ { NULL, NULL}
+ };
+
+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 char *
+bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, bfd_mach_o_section *section)
+{
+ const struct mach_o_segment_name_xlat *seg;
+ char *res;
+ unsigned int len;
+ const char *pfx = "";
+
+ 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 NULL;
+ strcpy (res, sec->bfd_name);
+ return res;
+ }
+ }
+ }
+ }
+
+ 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 NULL;
+ snprintf (res, len, "%s%s.%s", pfx, section->segname, section->sectname);
+ return 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);
+
+ /* 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;
}
/* Copy any private info we understand from the input symbol
to the output symbol. */
-static bfd_boolean
+bfd_boolean
bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
asymbol *isymbol ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
/* Copy any private info we understand from the input section
to the output section. */
-static bfd_boolean
+bfd_boolean
bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
asection *isection ATTRIBUTE_UNUSED,
bfd *obfd ATTRIBUTE_UNUSED,
/* Copy any private info we understand from the input bfd
to the output bfd. */
-static bfd_boolean
+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 (bfd *abfd)
{
- bfd_mach_o_data_struct *mdata = NULL;
- long nsyms = 0;
- unsigned long i;
-
- BFD_ASSERT (bfd_mach_o_valid (abfd));
- mdata = abfd->tdata.mach_o_data;
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
- 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
+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
+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_scan_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;
-
- 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;
- }
+ fprintf (stderr,
+ "bfd_mach_o_canonicalize_symtab: unable to load symbols\n");
+ return 0;
+ }
- BFD_ASSERT (sym->symbols != NULL);
+ BFD_ASSERT (sym->symbols != NULL);
- for (j = 0; j < sym->nsyms; j++)
- {
- BFD_ASSERT (csym < (alocation + nsyms));
- *csym++ = &sym->symbols[j];
- }
- }
- }
+ for (j = 0; j < sym->nsyms; j++)
+ alocation[j] = &sym->symbols[j].symbol;
- *csym++ = NULL;
+ alocation[j] = NULL;
return nsyms;
}
-static void
+void
bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
asymbol *symbol,
symbol_info *ret)
bfd_symbol_info (symbol, ret);
}
-static void
+void
bfd_mach_o_print_symbol (bfd *abfd,
PTR afile,
asymbol *symbol,
bfd_print_symbol_type how)
{
FILE *file = (FILE *) afile;
- unsigned char ntype;
- unsigned char nsect;
- unsigned int ndesc;
const char *name;
+ bfd_mach_o_asymbol *asym = (bfd_mach_o_asymbol *)symbol;
switch (how)
{
break;
default:
bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
- ntype = BFD_MACH_O_SYM_NTYPE (symbol);
- nsect = BFD_MACH_O_SYM_NSECT (symbol);
- ndesc = BFD_MACH_O_SYM_NDESC (symbol);
- if (ntype & BFD_MACH_O_N_STAB)
- name = bfd_get_stab_name (ntype);
+ if (asym->n_type & BFD_MACH_O_N_STAB)
+ name = bfd_get_stab_name (asym->n_type);
else
- switch (ntype & BFD_MACH_O_N_TYPE)
+ switch (asym->n_type & BFD_MACH_O_N_TYPE)
{
case BFD_MACH_O_N_UNDF:
name = "UND";
}
if (name == NULL)
name = "";
- fprintf (file, " %02x %-6s %02x %04x", ntype, name, nsect, ndesc);
- if ((ntype & BFD_MACH_O_N_STAB) == 0
- && (ntype & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
+ 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);
}
case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
case BFD_MACH_O_CPU_TYPE_POWERPC:
*type = bfd_arch_powerpc;
- *subtype = bfd_mach_ppc;
+ *subtype = bfd_mach_ppc;
break;
case BFD_MACH_O_CPU_TYPE_POWERPC_64:
*type = bfd_arch_powerpc;
- *subtype = bfd_mach_ppc64;
+ *subtype = bfd_mach_ppc64;
break;
default:
*type = bfd_arch_unknown;
}
}
-static int
+static bfd_boolean
bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
{
unsigned char buf[32];
unsigned int size;
- size = (header->version == 2) ? 32 : 28;
+ 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->sizeofcmds, buf + 20);
bfd_h_put_32 (abfd, header->flags, buf + 24);
- if (header->version == 2)
+ if (mach_o_wide_p (header))
bfd_h_put_32 (abfd, header->reserved, buf + 28);
- bfd_seek (abfd, 0, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, size, abfd) != size)
- return -1;
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bwrite ((PTR) buf, size, abfd) != size)
+ return FALSE;
- return 0;
+ return TRUE;
}
static int
bfd_mach_o_thread_command *cmd = &command->command.thread;
unsigned int i;
unsigned char buf[8];
- bfd_vma offset;
+ unsigned int offset;
unsigned int nflavours;
BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
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)
+ if (bfd_seek (abfd, command->offset + offset, SEEK_SET) != 0
+ || bfd_bwrite ((PTR) 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_scan_write_relocs (bfd *abfd, bfd_mach_o_section *section)
+{
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
+ unsigned int i;
+ arelent **entries;
+ asection *sec;
+ bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
+
+ sec = section->bfdsection;
+ if (sec->reloc_count == 0)
+ return TRUE;
+
+ if (bed->_bfd_mach_o_swap_reloc_out == NULL)
+ return TRUE;
+
+ /* 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 (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
+ return FALSE;
+
+ /* Convert and write. */
+ entries = section->bfdsection->orelocation;
+ for (i = 0; i < section->nreloc; i++)
+ {
+ 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 ((PTR) buf, BFD_MACH_O_RELENT_SIZE, abfd)
+ != BFD_MACH_O_RELENT_SIZE)
+ return FALSE;
+ }
+ return TRUE;
+}
+
static int
-bfd_mach_o_scan_write_section_32 (bfd *abfd,
- bfd_mach_o_section *section,
- bfd_vma offset)
+bfd_mach_o_scan_write_section_32 (bfd *abfd, bfd_mach_o_section *section)
{
- unsigned char buf[68];
+ unsigned char buf[BFD_MACH_O_SECTION_SIZE];
memcpy (buf, section->sectname, 16);
memcpy (buf + 16, section->segname, 16);
bfd_h_put_32 (abfd, section->reserved1, buf + 60);
bfd_h_put_32 (abfd, section->reserved2, buf + 64);
- bfd_seek (abfd, offset, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 68, abfd) != 68)
+ if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
+ != BFD_MACH_O_SECTION_SIZE)
return -1;
return 0;
}
static int
-bfd_mach_o_scan_write_section_64 (bfd *abfd,
- bfd_mach_o_section *section,
- bfd_vma offset)
+bfd_mach_o_scan_write_section_64 (bfd *abfd, bfd_mach_o_section *section)
{
- unsigned char buf[80];
+ 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->reserved2, buf + 72);
bfd_h_put_32 (abfd, section->reserved3, buf + 76);
- bfd_seek (abfd, offset, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 80, abfd) != 80)
+ if (bfd_bwrite ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
+ != BFD_MACH_O_SECTION_64_SIZE)
return -1;
return 0;
}
static int
-bfd_mach_o_scan_write_section (bfd *abfd,
- bfd_mach_o_section *section,
- bfd_vma offset,
- unsigned int wide)
-{
- if (wide)
- return bfd_mach_o_scan_write_section_64 (abfd, section, offset);
- else
- return bfd_mach_o_scan_write_section_32 (abfd, section, offset);
-}
-
-static int
-bfd_mach_o_scan_write_segment (bfd *abfd,
- bfd_mach_o_load_command *command,
- unsigned int wide)
+bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
{
- unsigned char buf[64];
+ unsigned char buf[BFD_MACH_O_LC_SEGMENT_SIZE];
bfd_mach_o_segment_command *seg = &command->command.segment;
unsigned long i;
- if (wide)
- {
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
-
- 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);
-
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 64, abfd) != 64)
- return -1;
- }
- else
- {
- 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, 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);
-
- 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;
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
- while (nbytes > 0)
- {
- bfd_vma thiswrite = nbytes;
-
- if (thiswrite > 1024)
- thiswrite = 1024;
-
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, thiswrite, abfd) != thiswrite)
- return -1;
-
- bfd_seek (abfd, curoff, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, thiswrite, abfd) != thiswrite)
- return -1;
+ for (i = 0; i < seg->nsects; i++)
+ if (!bfd_mach_o_scan_write_relocs (abfd, &seg->sections[i]))
+ return -1;
- nbytes -= thiswrite;
- curoff += thiswrite;
- }
- }
+ 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 ((PTR) 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++)
- {
- bfd_vma segoff;
- if (wide)
- segoff = command->offset + 64 + 8 + (i * 80);
- else
- segoff = command->offset + 48 + 8 + (i * 68);
-
- if (bfd_mach_o_scan_write_section
- (abfd, &seg->sections[i], segoff, wide) != 0)
- return -1;
- }
+ if (bfd_mach_o_scan_write_section_32 (abfd, &seg->sections[i]))
+ return -1;
return 0;
}
-static int
-bfd_mach_o_scan_write_segment_32 (bfd *abfd, bfd_mach_o_load_command *command)
-{
- return bfd_mach_o_scan_write_segment (abfd, command, 0);
-}
-
static int
bfd_mach_o_scan_write_segment_64 (bfd *abfd, bfd_mach_o_load_command *command)
{
- return bfd_mach_o_scan_write_segment (abfd, command, 1);
+ 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_scan_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 ((PTR) 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_scan_write_section_64 (abfd, &seg->sections[i]))
+ return -1;
+
+ return 0;
}
-static int
-bfd_mach_o_scan_write_symtab_symbols (bfd *abfd, bfd_mach_o_load_command *command)
+static bfd_boolean
+bfd_mach_o_scan_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;
- asymbol *s = NULL;
+ 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);
- 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;
+ BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
- s = &sym->symbols[i];
+ /* 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;
- /* Instead just set from the stored values. */
- ntype = BFD_MACH_O_SYM_NTYPE (s);
- nsect = BFD_MACH_O_SYM_NSECT (s);
- ndesc = BFD_MACH_O_SYM_NDESC (s);
+ sym->nsyms = bfd_get_symcount (abfd);
+ mdata->filelen += sym->nsyms * symlen;
- 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);
+ strtab = _bfd_stringtab_init ();
+ if (strtab == NULL)
+ return FALSE;
- 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;
- }
+ for (i = 0; i < sym->nsyms; i++)
+ {
+ unsigned char buf[16];
+ bfd_size_type 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')
+ index = 0;
+ else
+ {
+ index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
+ if (index == (bfd_size_type) -1)
+ goto err;
+ }
+ bfd_h_put_32 (abfd, 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 ((PTR) 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 ((PTR) buf, 16, abfd) != 16)
+ return FALSE;
- return 0;
+ return TRUE;
+
+ err:
+ _bfd_stringtab_free (strtab);
+ return FALSE;
}
-static int
-bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
-{
- bfd_mach_o_symtab_command *seg = &command->command.symtab;
- unsigned char buf[16];
+/* Process the symbols and generate Mach-O specific fields.
+ Number them. */
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+static bfd_boolean
+bfd_mach_o_mangle_symbols (bfd *abfd)
+{
+ unsigned long i;
+ asymbol **symbols = bfd_get_outsymbols (abfd);
- 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);
+ for (i = 0; i < bfd_get_symcount (abfd); i++)
+ {
+ bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bwrite ((PTR) buf, 16, abfd) != 16)
- return -1;
+ 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;
+ }
- if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0)
- return -1;
+ /* 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;
- return 0;
+ /* Number symbols. */
+ s->symbol.udata.i = i;
+ }
+ return TRUE;
}
-static bfd_boolean
+bfd_boolean
bfd_mach_o_write_contents (bfd *abfd)
{
unsigned int i;
- asection *s;
-
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
-
- /* Write data sections first in case they overlap header data to be
- written later. */
+ bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
- for (s = abfd->sections; s != (asection *) NULL; s = s->next)
- ;
+ 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 ((PTR) buf, 8, abfd) != 8)
return FALSE;
switch (cur->type)
return FALSE;
break;
case BFD_MACH_O_LC_SYMTAB:
- if (bfd_mach_o_scan_write_symtab (abfd, cur) != 0)
+ if (!bfd_mach_o_scan_write_symtab (abfd, cur))
return FALSE;
break;
case BFD_MACH_O_LC_SYMSEG:
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:
return TRUE;
}
-static int
+/* Build Mach-O load commands from the sections. */
+
+bfd_boolean
+bfd_mach_o_build_commands (bfd *abfd)
+{
+ 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;
+
+ /* 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;
+
+ 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;
+
+ /* 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;
+}
+
+/* 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)
+{
+ file_ptr pos;
+
+ /* 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;
+
+ 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)
{
/* Make an empty symbol. This is required only because
bfd_make_section_anyway wants to create a symbol for the section. */
-static asymbol *
+asymbol *
bfd_mach_o_make_empty_symbol (bfd *abfd)
{
- asymbol *new;
+ asymbol *new_symbol;
- new = bfd_zalloc (abfd, sizeof (* new));
- if (new == NULL)
- return new;
- new->the_bfd = abfd;
- return new;
+ 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;
}
-static int
+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;
- bfd_seek (abfd, 0, SEEK_SET);
-
/* Just read the magic number. */
- if (bfd_bread ((PTR) buf, 4, abfd) != 4)
- return -1;
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bread ((PTR) 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 = 0xfeedface;
+ header->magic = BFD_MACH_O_MH_MAGIC;
header->version = 1;
get32 = bfd_getb32;
}
- else if (bfd_getl32 (buf) == 0xfeedface)
+ else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC)
{
header->byteorder = BFD_ENDIAN_LITTLE;
- header->magic = 0xfeedface;
+ header->magic = BFD_MACH_O_MH_MAGIC;
header->version = 1;
get32 = bfd_getl32;
}
- else if (bfd_getb32 (buf) == 0xfeedfacf)
+ else if (bfd_getb32 (buf) == BFD_MACH_O_MH_MAGIC_64)
{
header->byteorder = BFD_ENDIAN_BIG;
- header->magic = 0xfeedfacf;
+ header->magic = BFD_MACH_O_MH_MAGIC_64;
header->version = 2;
get32 = bfd_getb32;
}
- else if (bfd_getl32 (buf) == 0xfeedfacf)
+ else if (bfd_getl32 (buf) == BFD_MACH_O_MH_MAGIC_64)
{
header->byteorder = BFD_ENDIAN_LITTLE;
- header->magic = 0xfeedfacf;
+ 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 = (header->version == 2) ? 32 : 28;
+ size = mach_o_wide_p (header) ?
+ BFD_MACH_O_HEADER_64_SIZE : BFD_MACH_O_HEADER_SIZE;
- bfd_seek (abfd, 0, SEEK_SET);
- if (bfd_bread ((PTR) buf, size, abfd) != size)
- return -1;
+ if (bfd_seek (abfd, 0, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, size, abfd) != size)
+ return FALSE;
header->cputype = (*get32) (buf + 4);
header->cpusubtype = (*get32) (buf + 8);
header->sizeofcmds = (*get32) (buf + 20);
header->flags = (*get32) (buf + 24);
- if (header->version == 2)
+ if (mach_o_wide_p (header))
header->reserved = (*get32) (buf + 28);
- return 0;
+ return TRUE;
}
static asection *
{
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;
-
- sname = bfd_alloc (abfd, snamelen);
+ sname = bfd_mach_o_convert_section_name_to_bfd (abfd, section);
if (sname == NULL)
return NULL;
- /* Use canonical dwarf section names for dwarf sections. */
- if (strcmp (section->segname, "__DWARF") == 0
- && strncmp (section->sectname, "__", 2) == 0)
- sprintf (sname, ".%s", section->sectname + 2);
- else if (strcmp (section->segname, "__TEXT") == 0)
- {
- if (strcmp (section->sectname, "__eh_frame") == 0)
- strcpy (sname, ".eh_frame");
- else if (section->sectname[0])
- sprintf (sname, "%s.%s", section->segname, section->sectname);
- else
- strcpy (sname, section->segname);
- }
- else if (strcmp (section->segname, "__DATA") == 0)
- {
- if (section->sectname[0])
- sprintf (sname, "%s.%s", section->segname, section->sectname);
- else
- strcpy (sname, section->segname);
- }
- else
- sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname);
-
if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
flags = SEC_HAS_CONTENTS | SEC_DEBUGGING;
else
flags |= SEC_READONLY;
}
}
+ if (section->nreloc != 0)
+ flags |= SEC_RELOC;
+
bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
if (bfdsec == NULL)
return NULL;
bfdsec->filepos = section->offset;
bfdsec->alignment_power = section->align;
bfdsec->segment_mark = 0;
+ bfdsec->reloc_count = section->nreloc;
+ bfdsec->rel_filepos = section->reloff;
return bfdsec;
}
static int
bfd_mach_o_scan_read_section_32 (bfd *abfd,
bfd_mach_o_section *section,
- bfd_vma offset,
+ 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 ((PTR) buf, BFD_MACH_O_SECTION_SIZE, abfd)
+ != BFD_MACH_O_SECTION_SIZE))
return -1;
memcpy (section->sectname, buf, 16);
static int
bfd_mach_o_scan_read_section_64 (bfd *abfd,
bfd_mach_o_section *section,
- bfd_vma offset,
+ unsigned int offset,
unsigned long prot)
{
- unsigned char buf[80];
+ unsigned char buf[BFD_MACH_O_SECTION_64_SIZE];
- bfd_seek (abfd, offset, SEEK_SET);
- if (bfd_bread ((PTR) buf, 80, abfd) != 80)
+ if (bfd_seek (abfd, offset, SEEK_SET) != 0
+ || (bfd_bread ((PTR) buf, BFD_MACH_O_SECTION_64_SIZE, abfd)
+ != BFD_MACH_O_SECTION_64_SIZE))
return -1;
memcpy (section->sectname, buf, 16);
static int
bfd_mach_o_scan_read_section (bfd *abfd,
bfd_mach_o_section *section,
- bfd_vma offset,
+ unsigned int offset,
unsigned long prot,
unsigned int wide)
{
return bfd_mach_o_scan_read_section_32 (abfd, section, offset, prot);
}
-int
+static int
bfd_mach_o_scan_read_symtab_symbol (bfd *abfd,
bfd_mach_o_symtab_command *sym,
- asymbol *s,
+ bfd_mach_o_asymbol *s,
unsigned long i)
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
- unsigned int wide = (mdata->header.version == 2);
- unsigned int symwidth = wide ? 16 : 12;
- bfd_vma symoff = sym->symoff + (i * symwidth);
+ 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;
BFD_ASSERT (sym->strtab != NULL);
- bfd_seek (abfd, symoff, SEEK_SET);
- if (bfd_bread ((PTR) buf, symwidth, abfd) != symwidth)
+ if (bfd_seek (abfd, symoff, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, symwidth, abfd) != symwidth)
{
fprintf (stderr, "bfd_mach_o_scan_read_symtab_symbol: unable to read %d bytes at %lu\n",
symwidth, (unsigned long) symoff);
stroff = bfd_h_get_32 (abfd, buf);
type = bfd_h_get_8 (abfd, buf + 4);
- symtype = (type & 0x0e);
+ symtype = type & BFD_MACH_O_N_TYPE;
section = bfd_h_get_8 (abfd, buf + 5);
desc = bfd_h_get_16 (abfd, buf + 6);
if (wide)
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_GSYM:
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;
}
break;
}
else
{
if (type & BFD_MACH_O_N_PEXT)
- s->flags |= BSF_GLOBAL;
-
+ s->symbol.flags |= BSF_GLOBAL;
+
if (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->flags |= BSF_LOCAL;
+ 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
{
{
fprintf (stderr, "bfd_mach_o_scan_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: "
"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: "
"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 (bfd *abfd,
- bfd_mach_o_symtab_command *sym)
+static int
+bfd_mach_o_scan_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)
{
return -1;
}
sym->strtab = (char *) b->buffer + sym->stroff;
- return 0;
}
-
- 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 ((PTR) 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 (bfd *abfd,
- bfd_mach_o_symtab_command *sym)
+static int
+bfd_mach_o_scan_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)
{
return -1;
}
- ret = bfd_mach_o_scan_read_symtab_strtab (abfd, sym);
+ ret = bfd_mach_o_scan_read_symtab_strtab (abfd);
if (ret != 0)
return ret;
bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd,
bfd_mach_o_dysymtab_command *dysym,
bfd_mach_o_symtab_command *sym,
- asymbol *s,
+ bfd_mach_o_asymbol *s,
unsigned long i)
{
unsigned long isymoff = dysym->indirectsymoff + (i * 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 ((PTR) buf, 4, abfd) != 4)
{
fprintf (stderr, "bfd_mach_o_scan_read_dysymtab_symbol: unable to read %lu bytes at %lu\n",
(unsigned long) 4, isymoff);
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_THREAD_STATE_NONE: return "THREAD_STATE_NONE";
+ case BFD_MACH_O_x86_THREAD_STATE_NONE: return "x86_THREAD_STATE_NONE";
default: return "UNKNOWN";
}
}
{
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";
}
}
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 ((PTR) 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 = 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_with_flags (abfd, sname, SEC_HAS_CONTENTS);
- 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->size = command->len - nameoff;
- bfdsec->filepos = command->offset + nameoff;
- bfdsec->alignment_power = 0;
-
- cmd->section = bfdsec;
-
return 0;
}
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 ((PTR) 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 = 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_with_flags (abfd, sname, SEC_HAS_CONTENTS);
- 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->size = command->len - 8;
- bfdsec->filepos = command->offset + 8;
- bfdsec->alignment_power = 0;
-
- cmd->section = bfdsec;
-
return 0;
}
static int
bfd_mach_o_scan_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 ((PTR) buf, 8, abfd) != 8)
return -1;
offset += 8 + bfd_h_get_32 (abfd, buf + 4) * 4;
nflavours++;
}
- cmd->flavours = 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 ((PTR) buf, 8, abfd) != 8)
return -1;
cmd->flavours[nflavours].flavour = bfd_h_get_32 (abfd, buf);
static int
bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
{
- bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab;
+ 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_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
- 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 ((PTR) buf, 72, abfd) != 72)
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);
+ 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)
+ {
+ char buf[56];
+ unsigned int i;
+ int wide = bfd_mach_o_wide_p (abfd);
+ unsigned int module_len = wide ? 56 : 52;
- return 0;
-}
+ cmd->dylib_module =
+ bfd_alloc (abfd, cmd->nmodtab * sizeof (bfd_mach_o_dylib_module));
+ if (cmd->dylib_module == NULL)
+ return -1;
-static int
-bfd_mach_o_scan_read_symtab (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";
- int nlist_size = (bfd_mach_o_version (abfd) > 1) ? 16 : 12;
+ if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
+ return -1;
- BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+ for (i = 0; i < cmd->nmodtab; i++)
+ {
+ bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
+ unsigned long v;
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 16, abfd) != 16)
- return -1;
+ if (bfd_bread ((PTR) buf, module_len, abfd) != module_len)
+ 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;
+ 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)
+ {
+ char buf[8];
+ unsigned int i;
- sname = bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
- return -1;
- strcpy (sname, prefix);
+ cmd->dylib_toc = bfd_alloc
+ (abfd, cmd->ntoc * sizeof (bfd_mach_o_dylib_table_of_content));
+ if (cmd->dylib_toc == NULL)
+ return -1;
- bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
- if (bfdsec == NULL)
- return -1;
+ if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
+ return -1;
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->size = seg->nsyms * nlist_size;
- bfdsec->filepos = seg->symoff;
- bfdsec->alignment_power = 0;
+ for (i = 0; i < cmd->ntoc; i++)
+ {
+ bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
- seg->stabs_segment = bfdsec;
+ if (bfd_bread ((PTR) buf, 8, abfd) != 8)
+ return -1;
- if (seg->nsyms != 0)
- abfd->flags |= HAS_SYMS;
+ toc->symbol_index = bfd_h_get_32 (abfd, buf + 0);
+ toc->module_index = bfd_h_get_32 (abfd, buf + 4);
+ }
+ }
- prefix = "LC_SYMTAB.stabstr";
- sname = bfd_alloc (abfd, strlen (prefix) + 1);
- if (sname == NULL)
- return -1;
- strcpy (sname, prefix);
+ if (cmd->nindirectsyms != 0)
+ {
+ char buf[4];
+ unsigned int i;
- bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
- if (bfdsec == NULL)
+ 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 ((PTR) buf, 4, abfd) != 4)
+ return -1;
+
+ *is = bfd_h_get_32 (abfd, buf + 0);
+ }
+ }
+
+ if (cmd->nextrefsyms != 0)
+ {
+ char buf[4];
+ 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 ((PTR) 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;
- bfdsec->vma = 0;
- bfdsec->lma = 0;
- bfdsec->size = seg->strsize;
- bfdsec->filepos = seg->stroff;
- bfdsec->alignment_power = 0;
+ return 0;
+}
+
+static int
+bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ 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_SYMTAB);
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, 16, abfd) != 16)
+ return -1;
- seg->stabstr_segment = bfdsec;
+ 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;
}
BFD_ASSERT (command->type == BFD_MACH_O_LC_UUID);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) cmd->uuid, 16, abfd) != 16)
return -1;
sname = bfd_alloc (abfd, strlen (prefix) + 1);
return 0;
}
+static int
+bfd_mach_o_scan_read_linkedit (bfd *abfd, bfd_mach_o_load_command *command)
+{
+ bfd_mach_o_linkedit_command *cmd = &command->command.linkedit;
+ char buf[8];
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, 8, abfd) != 8)
+ return -1;
+
+ cmd->dataoff = bfd_get_32 (abfd, buf + 0);
+ cmd->datasize = bfd_get_32 (abfd, buf + 4);
+ return 0;
+}
+
+static int
+bfd_mach_o_scan_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;
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, 4, abfd) != 4)
+ return -1;
+
+ 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 ((PTR) cmd->str, cmd->str_len, abfd) != cmd->str_len)
+ return -1;
+ return 0;
+}
+
+static int
+bfd_mach_o_scan_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];
+
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) 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 (bfd *abfd,
bfd_mach_o_load_command *command,
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;
if (wide)
{
BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT_64);
- bfd_seek (abfd, command->offset + 8, SEEK_SET);
- if (bfd_bread ((PTR) buf, 64, abfd) != 64)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, 64, abfd) != 64)
return -1;
memcpy (seg->segname, buf, 16);
{
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)
+ if (bfd_seek (abfd, command->offset + 8, SEEK_SET) != 0
+ || bfd_bread ((PTR) buf, 48, abfd) != 48)
return -1;
memcpy (seg->segname, buf, 16);
seg->flags = bfd_h_get_32 (abfd, buf + 44);
}
- snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1;
- sname = bfd_alloc (abfd, snamelen);
- if (sname == NULL)
- return -1;
- if (strcmp (seg->segname, "__TEXT") == 0
- || strcmp (seg->segname, "__DATA") == 0
- || strcmp (seg->segname, "__IMPORT") == 0
- || strcmp (seg->segname, "__LINKEDIT") == 0)
- strcpy (sname, seg->segname);
- else
- sprintf (sname, "%s.%s", prefix, seg->segname);
-
- bfdsec = bfd_make_section_anyway (abfd, sname);
- if (bfdsec == NULL)
- return -1;
-
- bfdsec->vma = seg->vmaddr;
- bfdsec->lma = seg->vmaddr;
- bfdsec->size = seg->filesize;
- bfdsec->filepos = seg->fileoff;
- bfdsec->alignment_power = 0x0;
- bfdsec->flags = SEC_HAS_CONTENTS;
- bfdsec->segment_mark = 1;
-
- seg->segment = bfdsec;
-
if (seg->nsects != 0)
{
- seg->sections = 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;
- if (wide)
- segoff = command->offset + 64 + 8 + (i * 80);
- else
- segoff = command->offset + 48 + 8 + (i * 68);
+ 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_scan_read_section
(abfd, &seg->sections[i], segoff, seg->initprot, wide) != 0)
{
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 ((PTR) 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_LOAD_DYLIB:
case BFD_MACH_O_LC_ID_DYLIB:
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
+ case BFD_MACH_O_LC_REEXPORT_DYLIB:
if (bfd_mach_o_scan_read_dylib (abfd, command) != 0)
return -1;
break;
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:
+ if (bfd_mach_o_scan_read_str (abfd, command) != 0)
+ return -1;
break;
case BFD_MACH_O_LC_DYSYMTAB:
if (bfd_mach_o_scan_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;
break;
case BFD_MACH_O_LC_CODE_SIGNATURE:
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
- case BFD_MACH_O_LC_REEXPORT_DYLIB:
+ if (bfd_mach_o_scan_read_linkedit (abfd, command) != 0)
+ return -1;
+ break;
+ case BFD_MACH_O_LC_DYLD_INFO:
+ if (bfd_mach_o_scan_read_dyld_info (abfd, command) != 0)
+ return -1;
break;
default:
fprintf (stderr, "unable to read unknown load command 0x%lx\n",
static void
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;
int
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;
{
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_STATE_64))
+ && (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
{
unsigned char buf[8];
- bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET);
-
- if (bfd_bread (buf, 8, abfd) != 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);
{
unsigned char buf[8];
- bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET);
-
- if (bfd_bread (buf, 8, abfd) != 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);
unsigned long cpusubtype;
unsigned int hdrsize;
- hdrsize = (header->version == 2) ? 32 : 28;
+ 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->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS);
+ abfd->flags = abfd->flags & BFD_IN_MEMORY;
switch (header->filetype)
{
case BFD_MACH_O_MH_OBJECT:
if (header->ncmds != 0)
{
- mdata->commands = 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_boolean
-bfd_mach_o_mkobject (bfd *abfd)
+bfd_mach_o_mkobject_init (bfd *abfd)
{
bfd_mach_o_data_struct *mdata = NULL;
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 (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
&& abfd->xvec->header_byteorder == BFD_ENDIAN_LITTLE)))
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
|| !bfd_preserve_save (abfd, &preserve))
return NULL;
}
-const bfd_target *
-bfd_mach_o_core_p (bfd *abfd)
+static const bfd_target *
+bfd_mach_o_gen_object_p (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",
- (unsigned long) header.byteorder);
- abort ();
- }
-
- 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;
-
- if (header.filetype != BFD_MACH_O_MH_CORE)
- goto wrong;
-
- preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
- if (preserve.marker == NULL
- || !bfd_preserve_save (abfd, &preserve))
- goto fail;
-
- 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;
-
- wrong:
- bfd_set_error (bfd_error_wrong_format);
+ return bfd_mach_o_header_p (abfd, 0, 0);
+}
- fail:
- if (preserve.marker != NULL)
- bfd_preserve_restore (abfd, &preserve);
- return NULL;
+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 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 ((PTR) buf, 8, abfd) != 8)
goto error;
adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
if (adata->nfat_arch > 30)
goto error;
- adata->archentries =
+ 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 ((PTR) buf, 20, abfd) != 20)
goto error;
adata->archentries[i].cputype = bfd_getb32 (buf);
adata->archentries[i].cpusubtype = bfd_getb32 (buf + 4);
if (!bfd_check_format (abfd, bfd_archive)
|| abfd->xvec != &mach_o_fat_vec)
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);
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;
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++;
}
}
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);
}
}
-static bfd_boolean
-bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, PTR ptr)
+typedef struct bfd_mach_o_xlat_name
{
- bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
- FILE *file = (FILE *) ptr;
+ 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\n"), 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;
- fprintf (file, _("Segments and Sections:\n"));
- fprintf (file, _(" #: Segment name Section name Address\n"));
+ fputs (_("Segments and Sections:\n"), file);
+ fputs (_(" #: Segment name Section name Address\n"), file);
for (i = 0; i < mdata->header.ncmds; i++)
{
fprintf (file, " %08lx\n", sec->flags);
}
}
+}
+
+/* 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;
+ else
+ return sec->size / elsz;
+}
+
+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_scan_read_symtab_symbols (abfd);
+ }
+ else if (dysymtab->nmodtab > 0)
+ {
+ /* Try to read the strtab to display modules name. */
+ bfd_mach_o_scan_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, PTR 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 i;
- fprintf (file, "\n"
- "UUID:");
for (i = 0; i < sizeof (uuid->uuid); i++)
fprintf (file, " %02x", uuid->uuid[i]);
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;
- bfd_byte *data = NULL;
-
- if (! bfd_malloc_and_get_section (abfd, dylib->section, &data))
- {
- if (data != NULL)
- free (data);
- break;
- }
- fprintf (file, "\n"
- "LOAD_DYLIB: %s\n",
- data + dylib->name_offset - cmd->offset - 8);
+ 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);
- free (data);
break;
}
case BFD_MACH_O_LC_LOAD_DYLINKER:
- {
- bfd_mach_o_dylinker_command *linker = &cmd->command.dylinker;
- bfd_byte *data = NULL;
-
- if (! bfd_malloc_and_get_section (abfd, linker->section, &data))
- {
- if (data != NULL)
- free (data);
- break;
- }
- fprintf (file, "\n"
- "LOAD_DYLINKER: %s\n",
- data + linker->name_offset - cmd->offset - 8);
- free (data);
- break;
- }
+ 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"
- "LC_SYMTAB: nsyms: %lu, strsize: %lu\n",
- symtab->nsyms, symtab->strsize);
- break;
- }
- case BFD_MACH_O_LC_DYSYMTAB:
- {
- bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
- fprintf (file, "\n"
- "LC_DYSYMTAB:\n"
- " local symbols: index: %lu number: %lu\n",
- dysymtab->ilocalsym, dysymtab->nlocalsym);
- fprintf (file,
- " external symbols: index: %lu number: %lu\n",
- dysymtab->iextdefsym, dysymtab->nextdefsym);
fprintf (file,
- " undefined symbols: index: %lu number: %lu\n",
- dysymtab->iundefsym, dysymtab->nundefsym);
+ "\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,
- " ntoc: offset: %lu number: %lu\n",
- dysymtab->tocoff, dysymtab->ntoc);
- fprintf (file,
- " module table: offset: %lu number: %lu\n",
- dysymtab->modtaboff, dysymtab->nmodtab);
+ " 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:
+ {
+ 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, "LC_%d\n", cmd->type);
+ fprintf (file, "\n");
break;
}
+ fputc ('\n', file);
}
+ bfd_mach_o_print_section_map (abfd, file);
+
return TRUE;
}
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;
buf = bfd_realloc_or_free (buf, size);
if (buf == NULL)
return -1;
-
- bfd_seek (abfd, end - size, SEEK_SET);
+
+ if (bfd_seek (abfd, end - size, SEEK_SET) != 0)
+ {
+ free (buf);
+ return -1;
+ }
+
nread = bfd_bread (buf, size, abfd);
if (nread != size)
return 0;
}
+#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 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_BIG_ENDIAN 1
#define TARGET_ARCHIVE 0
-
#include "mach-o-target.c"
#undef TARGET_NAME
projects / deliverable / binutils-gdb.git / blobdiff