summaryrefslogtreecommitdiff
path: root/bfd/pef.c
diff options
context:
space:
mode:
authorLorry Tar Creator <lorry-tar-importer@baserock.org>2014-12-23 14:38:46 +0000
committer <>2015-05-26 15:48:41 +0000
commit5500a97a2ad1735db5b35bc51cfb825c1f4c38df (patch)
treecc6e777c26142b88456ff03a672e1cb69215fc32 /bfd/pef.c
downloadbinutils-tarball-master.tar.gz
Imported from /home/lorry/working-area/delta_binutils-tarball/binutils-2.25.tar.bz2.HEADbinutils-2.25master
Diffstat (limited to 'bfd/pef.c')
-rw-r--r--bfd/pef.c1198
1 files changed, 1198 insertions, 0 deletions
diff --git a/bfd/pef.c b/bfd/pef.c
new file mode 100644
index 0000000..4c29417
--- /dev/null
+++ b/bfd/pef.c
@@ -0,0 +1,1198 @@
+/* PEF support for BFD.
+ Copyright (C) 1999-2014 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+/* PEF (Preferred Executable Format) is the binary file format for late
+ classic Mac OS versions (before Darwin). It is supported by both m68k
+ and PowerPc. It is also called CFM (Code Fragment Manager). */
+
+#include "sysdep.h"
+#include "safe-ctype.h"
+#include "pef.h"
+#include "pef-traceback.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "libiberty.h"
+
+#ifndef BFD_IO_FUNCS
+#define BFD_IO_FUNCS 0
+#endif
+
+#define bfd_pef_close_and_cleanup _bfd_generic_close_and_cleanup
+#define bfd_pef_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define bfd_pef_new_section_hook _bfd_generic_new_section_hook
+#define bfd_pef_bfd_is_local_label_name bfd_generic_is_local_label_name
+#define bfd_pef_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#define bfd_pef_get_lineno _bfd_nosymbols_get_lineno
+#define bfd_pef_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define bfd_pef_find_line _bfd_nosymbols_find_line
+#define bfd_pef_find_inliner_info _bfd_nosymbols_find_inliner_info
+#define bfd_pef_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
+#define bfd_pef_read_minisymbols _bfd_generic_read_minisymbols
+#define bfd_pef_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
+#define bfd_pef_set_arch_mach _bfd_generic_set_arch_mach
+#define bfd_pef_get_section_contents _bfd_generic_get_section_contents
+#define bfd_pef_set_section_contents _bfd_generic_set_section_contents
+#define bfd_pef_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
+#define bfd_pef_bfd_relax_section bfd_generic_relax_section
+#define bfd_pef_bfd_gc_sections bfd_generic_gc_sections
+#define bfd_pef_bfd_lookup_section_flags bfd_generic_lookup_section_flags
+#define bfd_pef_bfd_merge_sections bfd_generic_merge_sections
+#define bfd_pef_bfd_is_group_section bfd_generic_is_group_section
+#define bfd_pef_bfd_discard_group bfd_generic_discard_group
+#define bfd_pef_section_already_linked _bfd_generic_section_already_linked
+#define bfd_pef_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
+#define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols
+#define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms
+#define bfd_pef_bfd_copy_link_hash_symbol_type \
+ _bfd_generic_copy_link_hash_symbol_type
+#define bfd_pef_bfd_final_link _bfd_generic_final_link
+#define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section
+#define bfd_pef_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+
+static int
+bfd_pef_parse_traceback_table (bfd *abfd,
+ asection *section,
+ unsigned char *buf,
+ size_t len,
+ size_t pos,
+ asymbol *sym,
+ FILE *file)
+{
+ struct traceback_table table;
+ size_t offset;
+ const char *s;
+ asymbol tmpsymbol;
+
+ if (sym == NULL)
+ sym = & tmpsymbol;
+
+ sym->name = NULL;
+ sym->value = 0;
+ sym->the_bfd = abfd;
+ sym->section = section;
+ sym->flags = 0;
+ sym->udata.i = 0;
+
+ /* memcpy is fine since all fields are unsigned char. */
+ if ((pos + 8) > len)
+ return -1;
+ memcpy (&table, buf + pos, 8);
+
+ /* Calling code relies on returned symbols having a name and
+ correct offset. */
+ if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS))
+ return -1;
+
+ if (! (table.flags2 & TB_NAME_PRESENT))
+ return -1;
+
+ if (! (table.flags1 & TB_HAS_TBOFF))
+ return -1;
+
+ offset = 8;
+
+ if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams))
+ offset += 4;
+
+ if (table.flags1 & TB_HAS_TBOFF)
+ {
+ struct traceback_table_tboff off;
+
+ if ((pos + offset + 4) > len)
+ return -1;
+ off.tb_offset = bfd_getb32 (buf + pos + offset);
+ offset += 4;
+
+ /* Need to subtract 4 because the offset includes the 0x0L
+ preceding the table. */
+ if (file != NULL)
+ fprintf (file, " [offset = 0x%lx]", off.tb_offset);
+
+ if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset)))
+ return -1;
+
+ sym->value = pos - off.tb_offset - 4;
+ }
+
+ if (table.flags2 & TB_INT_HNDL)
+ offset += 4;
+
+ if (table.flags1 & TB_HAS_CTL)
+ {
+ struct traceback_table_anchors anchors;
+
+ if ((pos + offset + 4) > len)
+ return -1;
+ anchors.ctl_info = bfd_getb32 (buf + pos + offset);
+ offset += 4;
+
+ if (anchors.ctl_info > 1024)
+ return -1;
+
+ offset += anchors.ctl_info * 4;
+ }
+
+ if (table.flags2 & TB_NAME_PRESENT)
+ {
+ struct traceback_table_routine name;
+ char *namebuf;
+
+ if ((pos + offset + 2) > len)
+ return -1;
+ name.name_len = bfd_getb16 (buf + pos + offset);
+ offset += 2;
+
+ if (name.name_len > 4096)
+ return -1;
+
+ if ((pos + offset + name.name_len) > len)
+ return -1;
+
+ namebuf = bfd_alloc (abfd, name.name_len + 1);
+ if (namebuf == NULL)
+ return -1;
+
+ memcpy (namebuf, buf + pos + offset, name.name_len);
+ namebuf[name.name_len] = '\0';
+
+ /* Strip leading period inserted by compiler. */
+ if (namebuf[0] == '.')
+ memmove (namebuf, namebuf + 1, name.name_len + 1);
+
+ sym->name = namebuf;
+
+ for (s = sym->name; (*s != '\0'); s++)
+ if (! ISPRINT (*s))
+ return -1;
+
+ offset += name.name_len;
+ }
+
+ if (table.flags2 & TB_USES_ALLOCA)
+ offset += 4;
+
+ if (table.flags4 & TB_HAS_VEC_INFO)
+ offset += 4;
+
+ if (file != NULL)
+ fprintf (file, " [length = 0x%lx]", (unsigned long) offset);
+
+ return offset;
+}
+
+static void
+bfd_pef_print_symbol (bfd *abfd,
+ void * afile,
+ asymbol *symbol,
+ bfd_print_symbol_type how)
+{
+ FILE *file = (FILE *) afile;
+
+ switch (how)
+ {
+ case bfd_print_symbol_name:
+ fprintf (file, "%s", symbol->name);
+ break;
+ default:
+ bfd_print_symbol_vandf (abfd, (void *) file, symbol);
+ fprintf (file, " %-5s %s", symbol->section->name, symbol->name);
+ if (CONST_STRNEQ (symbol->name, "__traceback_"))
+ {
+ unsigned char *buf = alloca (symbol->udata.i);
+ size_t offset = symbol->value + 4;
+ size_t len = symbol->udata.i;
+ int ret;
+
+ bfd_get_section_contents (abfd, symbol->section, buf, offset, len);
+ ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf,
+ len, 0, NULL, file);
+ if (ret < 0)
+ fprintf (file, " [ERROR]");
+ }
+ }
+}
+
+static void
+bfd_pef_convert_architecture (unsigned long architecture,
+ enum bfd_architecture *type,
+ unsigned long *subtype)
+{
+ const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc'. */
+ const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k'. */
+
+ *subtype = bfd_arch_unknown;
+ *type = bfd_arch_unknown;
+
+ if (architecture == ARCH_POWERPC)
+ *type = bfd_arch_powerpc;
+ else if (architecture == ARCH_M68K)
+ *type = bfd_arch_m68k;
+}
+
+static bfd_boolean
+bfd_pef_mkobject (bfd *abfd ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+static const char *bfd_pef_section_name (bfd_pef_section *section)
+{
+ switch (section->section_kind)
+ {
+ case BFD_PEF_SECTION_CODE: return "code";
+ case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data";
+ case BFD_PEF_SECTION_PACKED_DATA: return "packed-data";
+ case BFD_PEF_SECTION_CONSTANT: return "constant";
+ case BFD_PEF_SECTION_LOADER: return "loader";
+ case BFD_PEF_SECTION_DEBUG: return "debug";
+ case BFD_PEF_SECTION_EXEC_DATA: return "exec-data";
+ case BFD_PEF_SECTION_EXCEPTION: return "exception";
+ case BFD_PEF_SECTION_TRACEBACK: return "traceback";
+ default: return "unknown";
+ }
+}
+
+static unsigned long bfd_pef_section_flags (bfd_pef_section *section)
+{
+ switch (section->section_kind)
+ {
+ case BFD_PEF_SECTION_CODE:
+ return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+ case BFD_PEF_SECTION_UNPACKED_DATA:
+ case BFD_PEF_SECTION_PACKED_DATA:
+ case BFD_PEF_SECTION_CONSTANT:
+ case BFD_PEF_SECTION_LOADER:
+ case BFD_PEF_SECTION_DEBUG:
+ case BFD_PEF_SECTION_EXEC_DATA:
+ case BFD_PEF_SECTION_EXCEPTION:
+ case BFD_PEF_SECTION_TRACEBACK:
+ default:
+ return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC;
+ }
+}
+
+static asection *
+bfd_pef_make_bfd_section (bfd *abfd, bfd_pef_section *section)
+{
+ asection *bfdsec;
+ const char *name = bfd_pef_section_name (section);
+
+ bfdsec = bfd_make_section_anyway (abfd, name);
+ if (bfdsec == NULL)
+ return NULL;
+
+ bfdsec->vma = section->default_address + section->container_offset;
+ bfdsec->lma = section->default_address + section->container_offset;
+ bfdsec->size = section->container_length;
+ bfdsec->filepos = section->container_offset;
+ bfdsec->alignment_power = section->alignment;
+
+ bfdsec->flags = bfd_pef_section_flags (section);
+
+ return bfdsec;
+}
+
+int
+bfd_pef_parse_loader_header (bfd *abfd ATTRIBUTE_UNUSED,
+ unsigned char *buf,
+ size_t len,
+ bfd_pef_loader_header *header)
+{
+ BFD_ASSERT (len == 56);
+
+ header->main_section = bfd_getb32 (buf);
+ header->main_offset = bfd_getb32 (buf + 4);
+ header->init_section = bfd_getb32 (buf + 8);
+ header->init_offset = bfd_getb32 (buf + 12);
+ header->term_section = bfd_getb32 (buf + 16);
+ header->term_offset = bfd_getb32 (buf + 20);
+ header->imported_library_count = bfd_getb32 (buf + 24);
+ header->total_imported_symbol_count = bfd_getb32 (buf + 28);
+ header->reloc_section_count = bfd_getb32 (buf + 32);
+ header->reloc_instr_offset = bfd_getb32 (buf + 36);
+ header->loader_strings_offset = bfd_getb32 (buf + 40);
+ header->export_hash_offset = bfd_getb32 (buf + 44);
+ header->export_hash_table_power = bfd_getb32 (buf + 48);
+ header->exported_symbol_count = bfd_getb32 (buf + 52);
+
+ return 0;
+}
+
+int
+bfd_pef_parse_imported_library (bfd *abfd ATTRIBUTE_UNUSED,
+ unsigned char *buf,
+ size_t len,
+ bfd_pef_imported_library *header)
+{
+ BFD_ASSERT (len == 24);
+
+ header->name_offset = bfd_getb32 (buf);
+ header->old_implementation_version = bfd_getb32 (buf + 4);
+ header->current_version = bfd_getb32 (buf + 8);
+ header->imported_symbol_count = bfd_getb32 (buf + 12);
+ header->first_imported_symbol = bfd_getb32 (buf + 16);
+ header->options = buf[20];
+ header->reserved_a = buf[21];
+ header->reserved_b = bfd_getb16 (buf + 22);
+
+ return 0;
+}
+
+int
+bfd_pef_parse_imported_symbol (bfd *abfd ATTRIBUTE_UNUSED,
+ unsigned char *buf,
+ size_t len,
+ bfd_pef_imported_symbol *symbol)
+{
+ unsigned long value;
+
+ BFD_ASSERT (len == 4);
+
+ value = bfd_getb32 (buf);
+ symbol->symbol_class = value >> 24;
+ symbol->name = value & 0x00ffffff;
+
+ return 0;
+}
+
+int
+bfd_pef_scan_section (bfd *abfd, bfd_pef_section *section)
+{
+ unsigned char buf[28];
+
+ bfd_seek (abfd, section->header_offset, SEEK_SET);
+ if (bfd_bread ((void *) buf, 28, abfd) != 28)
+ return -1;
+
+ section->name_offset = bfd_h_get_32 (abfd, buf);
+ section->default_address = bfd_h_get_32 (abfd, buf + 4);
+ section->total_length = bfd_h_get_32 (abfd, buf + 8);
+ section->unpacked_length = bfd_h_get_32 (abfd, buf + 12);
+ section->container_length = bfd_h_get_32 (abfd, buf + 16);
+ section->container_offset = bfd_h_get_32 (abfd, buf + 20);
+ section->section_kind = buf[24];
+ section->share_kind = buf[25];
+ section->alignment = buf[26];
+ section->reserved = buf[27];
+
+ section->bfd_section = bfd_pef_make_bfd_section (abfd, section);
+ if (section->bfd_section == NULL)
+ return -1;
+
+ return 0;
+}
+
+void
+bfd_pef_print_loader_header (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_pef_loader_header *header,
+ FILE *file)
+{
+ fprintf (file, "main_section: %ld\n", header->main_section);
+ fprintf (file, "main_offset: %lu\n", header->main_offset);
+ fprintf (file, "init_section: %ld\n", header->init_section);
+ fprintf (file, "init_offset: %lu\n", header->init_offset);
+ fprintf (file, "term_section: %ld\n", header->term_section);
+ fprintf (file, "term_offset: %lu\n", header->term_offset);
+ fprintf (file, "imported_library_count: %lu\n",
+ header->imported_library_count);
+ fprintf (file, "total_imported_symbol_count: %lu\n",
+ header->total_imported_symbol_count);
+ fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count);
+ fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset);
+ fprintf (file, "loader_strings_offset: %lu\n",
+ header->loader_strings_offset);
+ fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset);
+ fprintf (file, "export_hash_table_power: %lu\n",
+ header->export_hash_table_power);
+ fprintf (file, "exported_symbol_count: %lu\n",
+ header->exported_symbol_count);
+}
+
+int
+bfd_pef_print_loader_section (bfd *abfd, FILE *file)
+{
+ bfd_pef_loader_header header;
+ asection *loadersec = NULL;
+ unsigned char *loaderbuf = NULL;
+ size_t loaderlen = 0;
+
+ loadersec = bfd_get_section_by_name (abfd, "loader");
+ if (loadersec == NULL)
+ return -1;
+
+ loaderlen = loadersec->size;
+ loaderbuf = bfd_malloc (loaderlen);
+
+ if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0
+ || bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen
+ || loaderlen < 56
+ || bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header) < 0)
+ {
+ free (loaderbuf);
+ return -1;
+ }
+
+ bfd_pef_print_loader_header (abfd, &header, file);
+ return 0;
+}
+
+int
+bfd_pef_scan_start_address (bfd *abfd)
+{
+ bfd_pef_loader_header header;
+ asection *section;
+
+ asection *loadersec = NULL;
+ unsigned char *loaderbuf = NULL;
+ size_t loaderlen = 0;
+ int ret;
+
+ loadersec = bfd_get_section_by_name (abfd, "loader");
+ if (loadersec == NULL)
+ goto end;
+
+ loaderlen = loadersec->size;
+ loaderbuf = bfd_malloc (loaderlen);
+ if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0)
+ goto error;
+ if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen)
+ goto error;
+
+ if (loaderlen < 56)
+ goto error;
+ ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header);
+ if (ret < 0)
+ goto error;
+
+ if (header.main_section < 0)
+ goto end;
+
+ for (section = abfd->sections; section != NULL; section = section->next)
+ if ((section->index + 1) == header.main_section)
+ break;
+
+ if (section == NULL)
+ goto error;
+
+ abfd->start_address = section->vma + header.main_offset;
+
+ end:
+ if (loaderbuf != NULL)
+ free (loaderbuf);
+ return 0;
+
+ error:
+ if (loaderbuf != NULL)
+ free (loaderbuf);
+ return -1;
+}
+
+int
+bfd_pef_scan (bfd *abfd,
+ bfd_pef_header *header,
+ bfd_pef_data_struct *mdata)
+{
+ unsigned int i;
+ enum bfd_architecture cputype;
+ unsigned long cpusubtype;
+
+ mdata->header = *header;
+
+ bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype);
+ if (cputype == bfd_arch_unknown)
+ {
+ (*_bfd_error_handler) (_("bfd_pef_scan: unknown architecture 0x%lx"),
+ header->architecture);
+ return -1;
+ }
+ bfd_set_arch_mach (abfd, cputype, cpusubtype);
+
+ mdata->header = *header;
+
+ abfd->flags = (abfd->xvec->object_flags
+ | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)));
+
+ if (header->section_count != 0)
+ {
+ mdata->sections = bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section));
+
+ if (mdata->sections == NULL)
+ return -1;
+
+ for (i = 0; i < header->section_count; i++)
+ {
+ bfd_pef_section *cur = &mdata->sections[i];
+ cur->header_offset = 40 + (i * 28);
+ if (bfd_pef_scan_section (abfd, cur) < 0)
+ return -1;
+ }
+ }
+
+ if (bfd_pef_scan_start_address (abfd) < 0)
+ return -1;
+
+ abfd->tdata.pef_data = mdata;
+
+ return 0;
+}
+
+static int
+bfd_pef_read_header (bfd *abfd, bfd_pef_header *header)
+{
+ unsigned char buf[40];
+
+ bfd_seek (abfd, 0, SEEK_SET);
+
+ if (bfd_bread ((void *) buf, 40, abfd) != 40)
+ return -1;
+
+ header->tag1 = bfd_getb32 (buf);
+ header->tag2 = bfd_getb32 (buf + 4);
+ header->architecture = bfd_getb32 (buf + 8);
+ header->format_version = bfd_getb32 (buf + 12);
+ header->timestamp = bfd_getb32 (buf + 16);
+ header->old_definition_version = bfd_getb32 (buf + 20);
+ header->old_implementation_version = bfd_getb32 (buf + 24);
+ header->current_version = bfd_getb32 (buf + 28);
+ header->section_count = bfd_getb32 (buf + 32) + 1;
+ header->instantiated_section_count = bfd_getb32 (buf + 34);
+ header->reserved = bfd_getb32 (buf + 36);
+
+ return 0;
+}
+
+static const bfd_target *
+bfd_pef_object_p (bfd *abfd)
+{
+ bfd_pef_header header;
+ bfd_pef_data_struct *mdata;
+
+ if (bfd_pef_read_header (abfd, &header) != 0)
+ goto wrong;
+
+ if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2)
+ goto wrong;
+
+ mdata = (bfd_pef_data_struct *) bfd_zalloc (abfd, sizeof (*mdata));
+ if (mdata == NULL)
+ goto fail;
+
+ if (bfd_pef_scan (abfd, &header, mdata))
+ goto wrong;
+
+ return abfd->xvec;
+
+ wrong:
+ bfd_set_error (bfd_error_wrong_format);
+
+ fail:
+ return NULL;
+}
+
+static int
+bfd_pef_parse_traceback_tables (bfd *abfd,
+ asection *sec,
+ unsigned char *buf,
+ size_t len,
+ long *nsym,
+ asymbol **csym)
+{
+ char *name;
+
+ asymbol function;
+ asymbol traceback;
+
+ const char *const tbprefix = "__traceback_";
+ size_t tbnamelen;
+
+ size_t pos = 0;
+ unsigned long count = 0;
+ int ret;
+
+ for (;;)
+ {
+ /* We're reading symbols two at a time. */
+ if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL)))
+ break;
+
+ pos += 3;
+ pos -= (pos % 4);
+
+ while ((pos + 4) <= len)
+ {
+ if (bfd_getb32 (buf + pos) == 0)
+ break;
+ pos += 4;
+ }
+
+ if ((pos + 4) > len)
+ break;
+
+ ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4,
+ &function, 0);
+ if (ret < 0)
+ {
+ /* Skip over 0x0L to advance to next possible traceback table. */
+ pos += 4;
+ continue;
+ }
+
+ BFD_ASSERT (function.name != NULL);
+
+ /* Don't bother to compute the name if we are just
+ counting symbols. */
+ if (csym)
+ {
+ tbnamelen = strlen (tbprefix) + strlen (function.name);
+ name = bfd_alloc (abfd, tbnamelen + 1);
+ if (name == NULL)
+ {
+ bfd_release (abfd, (void *) function.name);
+ function.name = NULL;
+ break;
+ }
+ snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name);
+ traceback.name = name;
+ traceback.value = pos;
+ traceback.the_bfd = abfd;
+ traceback.section = sec;
+ traceback.flags = 0;
+ traceback.udata.i = ret;
+
+ *(csym[count]) = function;
+ *(csym[count + 1]) = traceback;
+ }
+
+ pos += ret;
+ count += 2;
+ }
+
+ *nsym = count;
+ return 0;
+}
+
+static int
+bfd_pef_parse_function_stub (bfd *abfd ATTRIBUTE_UNUSED,
+ unsigned char *buf,
+ size_t len,
+ unsigned long *offset)
+{
+ BFD_ASSERT (len == 24);
+
+ if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000)
+ return -1;
+ if (bfd_getb32 (buf + 4) != 0x90410014)
+ return -1;
+ if (bfd_getb32 (buf + 8) != 0x800c0000)
+ return -1;
+ if (bfd_getb32 (buf + 12) != 0x804c0004)
+ return -1;
+ if (bfd_getb32 (buf + 16) != 0x7c0903a6)
+ return -1;
+ if (bfd_getb32 (buf + 20) != 0x4e800420)
+ return -1;
+
+ if (offset != NULL)
+ *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4;
+
+ return 0;
+}
+
+static int
+bfd_pef_parse_function_stubs (bfd *abfd,
+ asection *codesec,
+ unsigned char *codebuf,
+ size_t codelen,
+ unsigned char *loaderbuf,
+ size_t loaderlen,
+ unsigned long *nsym,
+ asymbol **csym)
+{
+ const char *const sprefix = "__stub_";
+ size_t codepos = 0;
+ unsigned long count = 0;
+ bfd_pef_loader_header header;
+ bfd_pef_imported_library *libraries = NULL;
+ bfd_pef_imported_symbol *imports = NULL;
+ unsigned long i;
+ int ret;
+
+ if (loaderlen < 56)
+ goto error;
+
+ ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header);
+ if (ret < 0)
+ goto error;
+
+ libraries = bfd_malloc
+ (header.imported_library_count * sizeof (bfd_pef_imported_library));
+ imports = bfd_malloc
+ (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol));
+
+ if (loaderlen < (56 + (header.imported_library_count * 24)))
+ goto error;
+ for (i = 0; i < header.imported_library_count; i++)
+ {
+ ret = bfd_pef_parse_imported_library
+ (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]);
+ if (ret < 0)
+ goto error;
+ }
+
+ if (loaderlen < (56 + (header.imported_library_count * 24)
+ + (header.total_imported_symbol_count * 4)))
+ goto error;
+ for (i = 0; i < header.total_imported_symbol_count; i++)
+ {
+ ret = (bfd_pef_parse_imported_symbol
+ (abfd,
+ loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4),
+ 4, &imports[i]));
+ if (ret < 0)
+ goto error;
+ }
+
+ codepos = 0;
+
+ for (;;)
+ {
+ asymbol sym;
+ const char *symname;
+ char *name;
+ unsigned long sym_index;
+
+ if (csym && (csym[count] == NULL))
+ break;
+
+ codepos += 3;
+ codepos -= (codepos % 4);
+
+ while ((codepos + 4) <= codelen)
+ {
+ if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000)
+ break;
+ codepos += 4;
+ }
+
+ if ((codepos + 4) > codelen)
+ break;
+
+ ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &sym_index);
+ if (ret < 0)
+ {
+ codepos += 24;
+ continue;
+ }
+
+ if (sym_index >= header.total_imported_symbol_count)
+ {
+ codepos += 24;
+ continue;
+ }
+
+ {
+ size_t max, namelen;
+ const char *s;
+
+ if (loaderlen < (header.loader_strings_offset + imports[sym_index].name))
+ goto error;
+
+ max = loaderlen - (header.loader_strings_offset + imports[sym_index].name);
+ symname = (char *) loaderbuf;
+ symname += header.loader_strings_offset + imports[sym_index].name;
+ namelen = 0;
+ for (s = symname; s < (symname + max); s++)
+ {
+ if (*s == '\0')
+ break;
+ if (! ISPRINT (*s))
+ goto error;
+ namelen++;
+ }
+ if (*s != '\0')
+ goto error;
+
+ name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1);
+ if (name == NULL)
+ break;
+
+ snprintf (name, strlen (sprefix) + namelen + 1, "%s%s",
+ sprefix, symname);
+ sym.name = name;
+ }
+
+ sym.value = codepos;
+ sym.the_bfd = abfd;
+ sym.section = codesec;
+ sym.flags = 0;
+ sym.udata.i = 0;
+
+ codepos += 24;
+
+ if (csym != NULL)
+ *(csym[count]) = sym;
+
+ count++;
+ }
+
+ goto end;
+
+ end:
+ if (libraries != NULL)
+ free (libraries);
+ if (imports != NULL)
+ free (imports);
+ *nsym = count;
+ return 0;
+
+ error:
+ if (libraries != NULL)
+ free (libraries);
+ if (imports != NULL)
+ free (imports);
+ *nsym = count;
+ return -1;
+}
+
+static long
+bfd_pef_parse_symbols (bfd *abfd, asymbol **csym)
+{
+ unsigned long count = 0;
+
+ asection *codesec = NULL;
+ unsigned char *codebuf = NULL;
+ size_t codelen = 0;
+
+ asection *loadersec = NULL;
+ unsigned char *loaderbuf = NULL;
+ size_t loaderlen = 0;
+
+ codesec = bfd_get_section_by_name (abfd, "code");
+ if (codesec != NULL)
+ {
+ codelen = codesec->size;
+ codebuf = bfd_malloc (codelen);
+ if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0)
+ goto end;
+ if (bfd_bread ((void *) codebuf, codelen, abfd) != codelen)
+ goto end;
+ }
+
+ loadersec = bfd_get_section_by_name (abfd, "loader");
+ if (loadersec != NULL)
+ {
+ loaderlen = loadersec->size;
+ loaderbuf = bfd_malloc (loaderlen);
+ if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0)
+ goto end;
+ if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen)
+ goto end;
+ }
+
+ count = 0;
+ if (codesec != NULL)
+ {
+ long ncount = 0;
+ bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen,
+ &ncount, csym);
+ count += ncount;
+ }
+
+ if ((codesec != NULL) && (loadersec != NULL))
+ {
+ unsigned long ncount = 0;
+ bfd_pef_parse_function_stubs
+ (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount,
+ (csym != NULL) ? (csym + count) : NULL);
+ count += ncount;
+ }
+
+ if (csym != NULL)
+ csym[count] = NULL;
+
+ end:
+ if (codebuf != NULL)
+ free (codebuf);
+
+ if (loaderbuf != NULL)
+ free (loaderbuf);
+
+ return count;
+}
+
+static long
+bfd_pef_count_symbols (bfd *abfd)
+{
+ return bfd_pef_parse_symbols (abfd, NULL);
+}
+
+static long
+bfd_pef_get_symtab_upper_bound (bfd *abfd)
+{
+ long nsyms = bfd_pef_count_symbols (abfd);
+
+ if (nsyms < 0)
+ return nsyms;
+ return ((nsyms + 1) * sizeof (asymbol *));
+}
+
+static long
+bfd_pef_canonicalize_symtab (bfd *abfd, asymbol **alocation)
+{
+ long i;
+ asymbol *syms;
+ long ret;
+ long nsyms = bfd_pef_count_symbols (abfd);
+
+ if (nsyms < 0)
+ return nsyms;
+
+ syms = bfd_alloc (abfd, nsyms * sizeof (asymbol));
+ if (syms == NULL)
+ return -1;
+
+ for (i = 0; i < nsyms; i++)
+ alocation[i] = &syms[i];
+
+ alocation[nsyms] = NULL;
+
+ ret = bfd_pef_parse_symbols (abfd, alocation);
+ if (ret != nsyms)
+ return 0;
+
+ return ret;
+}
+
+#define bfd_pef_make_empty_symbol _bfd_generic_make_empty_symbol
+
+static void
+bfd_pef_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
+ asymbol *symbol,
+ symbol_info *ret)
+{
+ bfd_symbol_info (symbol, ret);
+}
+
+static int
+bfd_pef_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+const bfd_target pef_vec =
+{
+ "pef", /* Name. */
+ bfd_target_pef_flavour, /* Flavour. */
+ BFD_ENDIAN_BIG, /* Byteorder. */
+ BFD_ENDIAN_BIG, /* Header_byteorder. */
+ (HAS_RELOC | EXEC_P | /* Object flags. */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+ (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA
+ | SEC_ROM | SEC_HAS_CONTENTS), /* Section_flags. */
+ 0, /* Symbol_leading_char. */
+ ' ', /* AR_pad_char. */
+ 16, /* AR_max_namelen. */
+ 0, /* match priority. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
+ { /* bfd_check_format. */
+ _bfd_dummy_target,
+ bfd_pef_object_p, /* bfd_check_format. */
+ _bfd_dummy_target,
+ _bfd_dummy_target,
+ },
+ { /* bfd_set_format. */
+ bfd_false,
+ bfd_pef_mkobject,
+ bfd_false,
+ bfd_false,
+ },
+ { /* bfd_write_contents. */
+ bfd_false,
+ bfd_true,
+ bfd_false,
+ bfd_false,
+ },
+
+ BFD_JUMP_TABLE_GENERIC (bfd_pef),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (bfd_pef),
+ BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+ BFD_JUMP_TABLE_WRITE (bfd_pef),
+ BFD_JUMP_TABLE_LINK (bfd_pef),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ NULL
+};
+
+#define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup
+#define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
+#define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook
+#define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents
+#define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents
+#define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
+#define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window
+
+static int
+bfd_pef_xlib_read_header (bfd *abfd, bfd_pef_xlib_header *header)
+{
+ unsigned char buf[80];
+
+ bfd_seek (abfd, 0, SEEK_SET);
+
+ if (bfd_bread ((void *) buf, sizeof buf, abfd) != sizeof buf)
+ return -1;
+
+ header->tag1 = bfd_getb32 (buf);
+ header->tag2 = bfd_getb32 (buf + 4);
+ header->current_format = bfd_getb32 (buf + 8);
+ header->container_strings_offset = bfd_getb32 (buf + 12);
+ header->export_hash_offset = bfd_getb32 (buf + 16);
+ header->export_key_offset = bfd_getb32 (buf + 20);
+ header->export_symbol_offset = bfd_getb32 (buf + 24);
+ header->export_names_offset = bfd_getb32 (buf + 28);
+ header->export_hash_table_power = bfd_getb32 (buf + 32);
+ header->exported_symbol_count = bfd_getb32 (buf + 36);
+ header->frag_name_offset = bfd_getb32 (buf + 40);
+ header->frag_name_length = bfd_getb32 (buf + 44);
+ header->dylib_path_offset = bfd_getb32 (buf + 48);
+ header->dylib_path_length = bfd_getb32 (buf + 52);
+ header->cpu_family = bfd_getb32 (buf + 56);
+ header->cpu_model = bfd_getb32 (buf + 60);
+ header->date_time_stamp = bfd_getb32 (buf + 64);
+ header->current_version = bfd_getb32 (buf + 68);
+ header->old_definition_version = bfd_getb32 (buf + 72);
+ header->old_implementation_version = bfd_getb32 (buf + 76);
+
+ return 0;
+}
+
+static int
+bfd_pef_xlib_scan (bfd *abfd, bfd_pef_xlib_header *header)
+{
+ bfd_pef_xlib_data_struct *mdata = NULL;
+
+ mdata = bfd_alloc (abfd, sizeof (* mdata));
+ if (mdata == NULL)
+ return -1;
+
+ mdata->header = *header;
+
+ abfd->flags = (abfd->xvec->object_flags
+ | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS)));
+
+ abfd->tdata.pef_xlib_data = mdata;
+
+ return 0;
+}
+
+static const bfd_target *
+bfd_pef_xlib_object_p (bfd *abfd)
+{
+ bfd_pef_xlib_header header;
+
+ if (bfd_pef_xlib_read_header (abfd, &header) != 0)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ if ((header.tag1 != BFD_PEF_XLIB_TAG1)
+ || ((header.tag2 != BFD_PEF_VLIB_TAG2)
+ && (header.tag2 != BFD_PEF_BLIB_TAG2)))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ if (bfd_pef_xlib_scan (abfd, &header) != 0)
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ return abfd->xvec;
+}
+
+const bfd_target pef_xlib_vec =
+{
+ "pef-xlib", /* Name. */
+ bfd_target_pef_xlib_flavour, /* Flavour. */
+ BFD_ENDIAN_BIG, /* Byteorder */
+ BFD_ENDIAN_BIG, /* Header_byteorder. */
+ (HAS_RELOC | EXEC_P | /* Object flags. */
+ HAS_LINENO | HAS_DEBUG |
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
+ (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA
+ | SEC_ROM | SEC_HAS_CONTENTS),/* Section_flags. */
+ 0, /* Symbol_leading_char. */
+ ' ', /* AR_pad_char. */
+ 16, /* AR_max_namelen. */
+ 0, /* match priority. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */
+ bfd_getb64, bfd_getb_signed_64, bfd_putb64,
+ bfd_getb32, bfd_getb_signed_32, bfd_putb32,
+ bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */
+ { /* bfd_check_format. */
+ _bfd_dummy_target,
+ bfd_pef_xlib_object_p, /* bfd_check_format. */
+ _bfd_dummy_target,
+ _bfd_dummy_target,
+ },
+ { /* bfd_set_format. */
+ bfd_false,
+ bfd_pef_mkobject,
+ bfd_false,
+ bfd_false,
+ },
+ { /* bfd_write_contents. */
+ bfd_false,
+ bfd_true,
+ bfd_false,
+ bfd_false,
+ },
+
+ BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib),
+ BFD_JUMP_TABLE_COPY (_bfd_generic),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols),
+ BFD_JUMP_TABLE_RELOCS (_bfd_norelocs),
+ BFD_JUMP_TABLE_WRITE (_bfd_nowrite),
+ BFD_JUMP_TABLE_LINK (_bfd_nolink),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
+ NULL
+};