/* dlltool.c -- tool to generate stuff for PE style DLLs
Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
#define show_allnames 0
-#define PAGE_SIZE 4096
-#define PAGE_MASK (-PAGE_SIZE)
+#define PAGE_SIZE ((bfd_vma) 4096)
+#define PAGE_MASK ((bfd_vma) (-4096))
+#include "sysdep.h"
#include "bfd.h"
#include "libiberty.h"
-#include "bucomm.h"
#include "getopt.h"
#include "demangle.h"
#include "dyn-string.h"
+#include "bucomm.h"
#include "dlltool.h"
#include "safe-ctype.h"
static char *deduce_name (const char *);
#ifdef DLLTOOL_MCORE_ELF
-static void mcore_elf_cache_filename (char *);
+static void mcore_elf_cache_filename (const char *);
static void mcore_elf_gen_out_file (void);
#endif
static int no_idata5;
static char *exp_name;
static char *imp_name;
+static char *identify_imp_name;
+static char *identify_dll_name;
static char *head_label;
static char *imp_name_lab;
static char *dll_name;
static void scan_obj_file (const char *);
static void dump_def_info (FILE *);
static int sfunc (const void *, const void *);
-static void flush_page (FILE *, long *, int, int);
+static void flush_page (FILE *, bfd_vma *, bfd_vma, int);
static void gen_def_file (void);
static void generate_idata_ofile (FILE *);
static void assemble_file (const char *, const char *);
static bfd *make_head (void);
static bfd *make_tail (void);
static void gen_lib_file (void);
+static void identify_dll_for_implib (void);
+static void identify_search_archive (bfd*);
+static void identify_search_member (bfd*, bfd*);
+static bfd_boolean identify_process_section_p (asection *);
+static void identify_search_section (bfd *, asection *, void *);
static int pfunc (const void *, const void *);
static int nfunc (const void *, const void *);
static void remove_null_names (export_type **);
if (pid == -1)
{
- inform (strerror (errno));
+ inform ("%s", strerror (errno));
fatal (errmsg_fmt, errmsg_arg);
}
#ifdef DLLTOOL_MCORE_ELF
if (mcore_elf_out_file)
- mcore_elf_cache_filename ((char *) filename);
+ mcore_elf_cache_filename (filename);
#endif
}
static int
sfunc (const void *a, const void *b)
{
- return *(const long *) a - *(const long *) b;
+ if (*(const bfd_vma *) a == *(const bfd_vma *) b)
+ return 0;
+
+ return ((*(const bfd_vma *) a > *(const bfd_vma *) b) ? 1 : -1);
}
static void
-flush_page (FILE *f, long *need, int page_addr, int on_page)
+flush_page (FILE *f, bfd_vma *need, bfd_vma page_addr, int on_page)
{
int i;
/* Flush this page. */
fprintf (f, "\t%s\t0x%08x\t%s Starting RVA for chunk\n",
ASM_LONG,
- page_addr,
+ (int) page_addr,
ASM_C);
fprintf (f, "\t%s\t0x%x\t%s Size of block\n",
ASM_LONG,
for (i = 0; i < on_page; i++)
{
- long needed = need[i];
+ bfd_vma needed = need[i];
if (needed)
- needed = ((needed - page_addr) | 0x3000) & 0xffff;
+ {
+#ifndef DLLTOOL_MX86_64
+ /* Relocation via HIGHLOW. */
+ needed = ((needed - page_addr) | 0x3000) & 0xffff;
+#else
+ /* Relocation via DIR64. */
+ needed = ((needed - page_addr) | 0xa000) & 0xffff;
+#endif
+ }
- fprintf (f, "\t%s\t0x%lx\n", ASM_SHORT, needed);
+ fprintf (f, "\t%s\t0x%lx\n", ASM_SHORT, (long) needed);
}
/* And padding */
{
fprintf (f, "\t.section .edata\n\n");
fprintf (f, "\t%s 0 %s Allways 0\n", ASM_LONG, ASM_C);
- fprintf (f, "\t%s 0x%lx %s Time and date\n", ASM_LONG, (long) time(0),
- ASM_C);
+ fprintf (f, "\t%s 0x%lx %s Time and date\n", ASM_LONG,
+ (unsigned long) time(0), ASM_C);
fprintf (f, "\t%s 0 %s Major and Minor version\n", ASM_LONG, ASM_C);
fprintf (f, "\t%sname%s %s Ptr to name of dll\n", ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
fprintf (f, "\t%s %d %s Starting ordinal of exports\n", ASM_LONG, d_low_ord, ASM_C);
ASM_RVA_BEFORE, exp->ordinal, ASM_RVA_AFTER);
}
- fprintf (f,"%s Export Oridinal Table\n", ASM_C);
+ fprintf (f,"%s Export Ordinal Table\n", ASM_C);
fprintf (f, "anords:\n");
for (i = 0; (exp = d_exports_lexically[i]); i++)
{
/* Dump the reloc section if a base file is provided. */
if (base_file)
{
- int addr;
- long need[PAGE_SIZE];
- long page_addr;
- int numbytes;
+ bfd_vma addr;
+ bfd_vma need[PAGE_SIZE];
+ bfd_vma page_addr;
+ bfd_size_type numbytes;
int num_entries;
- long *copy;
+ bfd_vma *copy;
int j;
int on_page;
fprintf (f, "\t.section\t.init\n");
numbytes = ftell (base_file);
fseek (base_file, 0, SEEK_SET);
copy = xmalloc (numbytes);
- fread (copy, 1, numbytes, base_file);
- num_entries = numbytes / sizeof (long);
+ if (fread (copy, 1, numbytes, base_file) < numbytes)
+ fatal (_("failed to read the number of entries from base file"));
+ num_entries = numbytes / sizeof (bfd_vma);
fprintf (f, "\t.section\t.reloc\n");
{
int src;
int dst = 0;
- int last = -1;
- qsort (copy, num_entries, sizeof (long), sfunc);
+ bfd_vma last = (bfd_vma) -1;
+ qsort (copy, num_entries, sizeof (bfd_vma), sfunc);
/* Delete duplicates */
for (src = 0; src < num_entries; src++)
{
bfd_set_format (outarch, bfd_archive);
outarch->has_armap = 1;
+ outarch->is_thin_archive = 0;
/* Work out a reasonable size of things to put onto one line. */
ar_head = make_head ();
if (exp->private)
continue;
n = make_one_lib_file (exp, i);
- n->next = head;
+ n->archive_next = head;
head = n;
if (ext_prefix_alias)
{
alias_exp.forward = exp->forward;
alias_exp.next = exp->next;
n = make_one_lib_file (&alias_exp, i + PREFIX_ALIAS_BASE);
- n->next = head;
+ n->archive_next = head;
head = n;
}
}
/* Now stick them all into the archive. */
- ar_head->next = head;
- ar_tail->next = ar_head;
+ ar_head->archive_next = head;
+ ar_tail->archive_next = ar_head;
head = ar_tail;
if (! bfd_set_archive_head (outarch, head))
while (head != NULL)
{
- bfd *n = head->next;
+ bfd *n = head->archive_next;
bfd_close (head);
head = n;
}
inform (_("Created lib file"));
}
+/* identify_dll_for_implib
+
+ This is the main implementation for the --identify option.
+ Given the name of an import library in identify_imp_name,
+ search all archive members for an .idata$7 section
+ (.idata$6 on PPC). This section will consist of a single
+ char* constant, indicating the name of the DLL represented
+ by the import library.
+
+ It is possible to construct an import library that has
+ two members with a non-empty .idata$7 section, but these
+ are not often seen in normal operation. In this case,
+ an error is flagged.
+*/
+static void
+identify_dll_for_implib (void)
+{
+ bfd* abfd = NULL;
+
+ bfd_init ();
+
+ abfd = bfd_openr (identify_imp_name, 0);
+ if (abfd == NULL)
+ {
+ bfd_fatal (identify_imp_name);
+ }
+ if (!bfd_check_format (abfd, bfd_archive))
+ {
+ if (!bfd_close (abfd))
+ bfd_fatal (identify_imp_name);
+
+ fatal ("%s is not a library", identify_imp_name);
+ }
+
+ identify_search_archive (abfd);
+
+ if (!bfd_close (abfd))
+ bfd_fatal (identify_imp_name);
+
+ if (identify_dll_name && *identify_dll_name)
+ {
+ printf ("%s\n",identify_dll_name);
+ free (identify_dll_name);
+ identify_dll_name = NULL;
+ }
+ else
+ {
+ fatal ("Unable to determine dll name for %s (not an import library?)", identify_imp_name);
+ }
+}
+
+/* identify_search_archive
+
+ Loop over all members of the archive, inspecting
+ each for the presence of an .idata$7 (.idata$6 on PPC)
+ section with non-empty contents.
+*/
+static void
+identify_search_archive (bfd* abfd)
+{
+ bfd *arfile = NULL;
+ bfd *last_arfile = NULL;
+ char **matching;
+
+ while (1)
+ {
+ arfile = bfd_openr_next_archived_file (abfd, arfile);
+
+ if (arfile == NULL)
+ {
+ if (bfd_get_error () != bfd_error_no_more_archived_files)
+ bfd_fatal (bfd_get_filename (abfd));
+ break;
+ }
+ if (bfd_check_format_matches (arfile, bfd_object, &matching))
+ {
+ identify_search_member (arfile, abfd);
+ }
+ else
+ {
+ bfd_nonfatal (bfd_get_filename (arfile));
+ free (matching);
+ }
+ if (last_arfile != NULL)
+ {
+ bfd_close (last_arfile);
+ }
+ last_arfile = arfile;
+ }
+
+ if (last_arfile != NULL)
+ {
+ bfd_close (last_arfile);
+ }
+}
+
+/* identify_search_member
+
+ Search all sections of an archive member for the
+ one with section name of .idata$7 (.idata$6 on PPC)
+ and non-empty contents.
+*/
+static void
+identify_search_member (bfd* abfd, bfd* archive_bfd ATTRIBUTE_UNUSED)
+{
+ bfd_map_over_sections (abfd, identify_search_section, NULL);
+}
+
+/* identify_process_section_p
+
+ This predicate returns true if section->name
+ is .idata$7 (.idata$6 on PPC).
+*/
+static bfd_boolean
+identify_process_section_p (asection * section)
+{
+ static const char * SECTION_NAME =
+#ifdef DLLTOOL_PPC
+ /* dllname is stored in idata$6 on PPC */
+ ".idata$6";
+#else
+ ".idata$7";
+#endif
+
+ if (strcmp (SECTION_NAME, section->name) == 0)
+ return TRUE;
+ return FALSE;
+}
+
+/* identify_search_section
+
+ If *section has contents and its name is .idata$7
+ (.data$6 on PPC) then store the contents in
+ identify_dll_name as an xmalloc'ed array.
+
+ However, if identify_dll_name already has
+ a value, flag an error. We don't know how to handle
+ import libraries that directly reference more than
+ one DLL. (This is different than forwarded symbols.
+ Such import libraries are not seen in normal operation,
+ and must be specifically constructed.)
+*/
+static void
+identify_search_section (bfd *abfd, asection *section, void *dummy ATTRIBUTE_UNUSED)
+{
+ bfd_byte *data = 0;
+ bfd_size_type datasize;
+
+ if ((section->flags & SEC_HAS_CONTENTS) == 0)
+ return;
+
+ if (! identify_process_section_p (section))
+ return;
+
+ if ((datasize = bfd_section_size (abfd, section)) == 0)
+ return;
+
+ data = (bfd_byte*) xmalloc (datasize + 1);
+ data[0] = '\0';
+
+ bfd_get_section_contents (abfd, section, data, 0, datasize);
+ data[datasize] = '\0';
+
+ if (data[0] != '\0')
+ {
+ if (identify_dll_name != NULL)
+ {
+ if (*identify_dll_name != '\0')
+ {
+ /* The import library specifies two different DLLs.
+ Treat this as an error. */
+ fatal ("Import library `%s' specifies two or more dlls: `%s' and `%s'",
+ identify_imp_name, identify_dll_name, data);
+ }
+ else
+ {
+ /* For some reason memory was allocated, but the
+ contents were empty. Free the memory and continue. */
+ free (identify_dll_name);
+ }
+ }
+ identify_dll_name = xstrdup ((char*) data);
+ }
+
+ free (data);
+}
+
/* Run through the information gathered from the .o files and the
.def file and work out the best stuff. */
if (a->ordinal != -1
&& b->ordinal != -1)
/* xgettext:c-format */
- fatal (_("Error, duplicate EXPORT with oridinals: %s"),
+ fatal (_("Error, duplicate EXPORT with ordinals: %s"),
a->name);
/* Merge attributes. */
fprintf (file, _(" -C --compat-implib Create backward compatible import library.\n"));
fprintf (file, _(" -n --no-delete Keep temp files (repeat for extra preservation).\n"));
fprintf (file, _(" -t --temp-prefix <prefix> Use <prefix> to construct temp file names.\n"));
+ fprintf (file, _(" -I --identify <implib> Report the name of the DLL associated with <implib>.\n"));
fprintf (file, _(" -v --verbose Be verbose.\n"));
fprintf (file, _(" -V --version Display the program version.\n"));
fprintf (file, _(" -h --help Display this information.\n"));
{"kill-at", no_argument, NULL, 'k'},
{"add-stdcall-alias", no_argument, NULL, 'A'},
{"ext-prefix-alias", required_argument, NULL, 'p'},
+ {"identify", required_argument, NULL, 'I'},
{"verbose", no_argument, NULL, 'v'},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
while ((c = getopt_long (ac, av,
#ifdef DLLTOOL_MCORE_ELF
- "m:e:l:aD:d:z:b:xp:cCuUkAS:f:nvVHhM:L:F:",
+ "m:e:l:aD:d:z:b:xp:cCuUkAS:f:nI:vVHhM:L:F:",
#else
- "m:e:l:aD:d:z:b:xp:cCuUkAS:f:nvVHh",
+ "m:e:l:aD:d:z:b:xp:cCuUkAS:f:nI:vVHh",
#endif
long_options, 0))
!= EOF)
case 'm':
mname = optarg;
break;
+ case 'I':
+ identify_imp_name = optarg;
+ break;
case 'v':
verbose = 1;
break;
if (output_def)
gen_def_file ();
+ if (identify_imp_name)
+ {
+ identify_dll_for_implib ();
+ }
+
#ifdef DLLTOOL_MCORE_ELF
if (mcore_elf_out_file)
mcore_elf_gen_out_file ();
#ifdef DLLTOOL_MCORE_ELF
typedef struct fname_cache
{
- char * filename;
+ const char * filename;
struct fname_cache * next;
}
fname_cache;
static fname_cache fnames;
static void
-mcore_elf_cache_filename (char * filename)
+mcore_elf_cache_filename (const char * filename)
{
fname_cache * ptr;
projects / deliverable / binutils-gdb.git / blobdiff