+static char *
+make_imp_label (prefix, name)
+ const char *prefix;
+ const char *name;
+{
+ int len;
+ char *copy;
+
+ if (name[0] == '@')
+ {
+ len = strlen (prefix) + strlen (name);
+ copy = xmalloc (len + 1);
+ strcpy (copy, prefix);
+ strcat (copy, name);
+ }
+ else
+ {
+ len = strlen (ASM_PREFIX) + strlen (prefix) + strlen (name);
+ copy = xmalloc (len + 1);
+ strcpy (copy, prefix);
+ strcat (copy, ASM_PREFIX);
+ strcat (copy, name);
+ }
+ return copy;
+}
+
+static bfd *
+make_one_lib_file (exp, i)
+ export_type *exp;
+ int i;
+{
+#if 0
+ {
+ char *name;
+ FILE *f;
+ const char *prefix = "d";
+ char *dest;
+
+ name = (char *) alloca (strlen (prefix) + 10);
+ sprintf (name, "%ss%05d.s", prefix, i);
+ f = fopen (name, FOPEN_WT);
+ fprintf (f, "\t.text\n");
+ fprintf (f, "\t%s\t%s%s\n", ASM_GLOBAL, ASM_PREFIX, exp->name);
+ if (create_compat_implib)
+ fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
+ fprintf (f, "\t%s\t_imp__%s\n", ASM_GLOBAL, exp->name);
+ if (create_compat_implib)
+ fprintf (f, "%s%s:\n\t%s\t__imp_%s\n", ASM_PREFIX,
+ exp->name, ASM_JUMP, exp->name);
+
+ fprintf (f, "\t.section\t.idata$7\t%s To force loading of head\n", ASM_C);
+ fprintf (f, "\t%s\t%s\n", ASM_LONG, head_label);
+
+
+ fprintf (f,"%s Import Address Table\n", ASM_C);
+
+ fprintf (f, "\t.section .idata$5\n");
+ if (create_compat_implib)
+ fprintf (f, "__imp_%s:\n", exp->name);
+ fprintf (f, "_imp__%s:\n", exp->name);
+
+ dump_iat (f, exp);
+
+ fprintf (f, "\n%s Import Lookup Table\n", ASM_C);
+ fprintf (f, "\t.section .idata$4\n");
+
+ dump_iat (f, exp);
+
+ if(!exp->noname || show_allnames)
+ {
+ fprintf (f, "%s Hint/Name table\n", ASM_C);
+ fprintf (f, "\t.section .idata$6\n");
+ fprintf (f, "ID%d:\t%s\t%d\n", exp->ordinal, ASM_SHORT, exp->hint);
+ fprintf (f, "\t%s\t\"%s\"\n", ASM_TEXT, xlate (exp->name));
+ }
+
+ fclose (f);
+
+ dest = (char *) alloca (strlen (prefix) + 10);
+ sprintf (dest, "%ss%05d.o", prefix, i);
+ assemble_file (name, dest);
+ }
+#else /* if 0 */
+ {
+ bfd * abfd;
+ asymbol * exp_label;
+ asymbol * iname = 0;
+ asymbol * iname2;
+ asymbol * iname_lab;
+ asymbol ** iname_lab_pp;
+ asymbol ** iname_pp;
+#ifdef DLLTOOL_PPC
+ asymbol ** fn_pp;
+ asymbol ** toc_pp;
+#define EXTRA 2
+#endif
+#ifndef EXTRA
+#define EXTRA 0
+#endif
+ asymbol * ptrs[NSECS + 4 + EXTRA + 1];
+ flagword applicable;
+
+ char * outname = xmalloc (10);
+ int oidx = 0;
+
+
+ sprintf (outname, "%s%05d.o", TMP_STUB, i);
+
+ abfd = bfd_openw (outname, HOW_BFD_WRITE_TARGET);
+
+ if (!abfd)
+ /* xgettext:c-format */
+ fatal (_("bfd_open failed open stub file: %s"), outname);
+
+ /* xgettext:c-format */
+ inform (_("Creating stub file: %s"), outname);
+
+ bfd_set_format (abfd, bfd_object);
+ bfd_set_arch_mach (abfd, HOW_BFD_ARCH, 0);
+
+#ifdef DLLTOOL_ARM
+ if (machine == MARM_INTERWORK || machine == MTHUMB)
+ bfd_set_private_flags (abfd, F_INTERWORK);
+#endif
+
+ applicable = bfd_applicable_section_flags (abfd);
+
+ /* First make symbols for the sections. */
+ for (i = 0; i < NSECS; i++)
+ {
+ sinfo *si = secdata + i;
+ if (si->id != i)
+ abort();
+ si->sec = bfd_make_section_old_way (abfd, si->name);
+ bfd_set_section_flags (abfd,
+ si->sec,
+ si->flags & applicable);
+
+ bfd_set_section_alignment(abfd, si->sec, si->align);
+ si->sec->output_section = si->sec;
+ si->sym = bfd_make_empty_symbol(abfd);
+ si->sym->name = si->sec->name;
+ si->sym->section = si->sec;
+ si->sym->flags = BSF_LOCAL;
+ si->sym->value = 0;
+ ptrs[oidx] = si->sym;
+ si->sympp = ptrs + oidx;
+ si->size = 0;
+ si->data = NULL;
+
+ oidx++;
+ }
+
+ if (! exp->data)
+ {
+ exp_label = bfd_make_empty_symbol (abfd);
+ exp_label->name = make_imp_label ("", exp->name);
+
+ /* On PowerPC, the function name points to a descriptor in
+ the rdata section, the first element of which is a
+ pointer to the code (..function_name), and the second
+ points to the .toc. */
+#ifdef DLLTOOL_PPC
+ if (machine == MPPC)
+ exp_label->section = secdata[RDATA].sec;
+ else
+#endif
+ exp_label->section = secdata[TEXT].sec;
+
+ exp_label->flags = BSF_GLOBAL;
+ exp_label->value = 0;
+
+#ifdef DLLTOOL_ARM
+ if (machine == MTHUMB)
+ bfd_coff_set_symbol_class (abfd, exp_label, C_THUMBEXTFUNC);
+#endif
+ ptrs[oidx++] = exp_label;
+ }
+
+ /* Generate imp symbols with one underscore for Microsoft
+ compatibility, and with two underscores for backward
+ compatibility with old versions of cygwin. */
+ if (create_compat_implib)
+ {
+ iname = bfd_make_empty_symbol (abfd);
+ iname->name = make_imp_label ("___imp", exp->name);
+ iname->section = secdata[IDATA5].sec;
+ iname->flags = BSF_GLOBAL;
+ iname->value = 0;
+ }
+
+ iname2 = bfd_make_empty_symbol (abfd);
+ iname2->name = make_imp_label ("__imp_", exp->name);
+ iname2->section = secdata[IDATA5].sec;
+ iname2->flags = BSF_GLOBAL;
+ iname2->value = 0;
+
+ iname_lab = bfd_make_empty_symbol(abfd);
+
+ iname_lab->name = head_label;
+ iname_lab->section = (asection *)&bfd_und_section;
+ iname_lab->flags = 0;
+ iname_lab->value = 0;
+
+ iname_pp = ptrs + oidx;
+ if (create_compat_implib)
+ ptrs[oidx++] = iname;
+ ptrs[oidx++] = iname2;
+
+ iname_lab_pp = ptrs + oidx;
+ ptrs[oidx++] = iname_lab;
+
+#ifdef DLLTOOL_PPC
+ /* The symbol refering to the code (.text). */
+ {
+ asymbol *function_name;
+
+ function_name = bfd_make_empty_symbol(abfd);
+ function_name->name = make_label ("..", exp->name);
+ function_name->section = secdata[TEXT].sec;
+ function_name->flags = BSF_GLOBAL;
+ function_name->value = 0;
+
+ fn_pp = ptrs + oidx;
+ ptrs[oidx++] = function_name;
+ }
+
+ /* The .toc symbol. */
+ {
+ asymbol *toc_symbol;
+
+ toc_symbol = bfd_make_empty_symbol (abfd);
+ toc_symbol->name = make_label (".", "toc");
+ toc_symbol->section = (asection *)&bfd_und_section;
+ toc_symbol->flags = BSF_GLOBAL;
+ toc_symbol->value = 0;
+
+ toc_pp = ptrs + oidx;
+ ptrs[oidx++] = toc_symbol;
+ }
+#endif
+
+ ptrs[oidx] = 0;
+
+ for (i = 0; i < NSECS; i++)
+ {
+ sinfo *si = secdata + i;
+ asection *sec = si->sec;
+ arelent *rel;
+ arelent **rpp;
+
+ switch (i)
+ {
+ case TEXT:
+ if (! exp->data)
+ {
+ si->size = HOW_JTAB_SIZE;
+ si->data = xmalloc (HOW_JTAB_SIZE);
+ memcpy (si->data, HOW_JTAB, HOW_JTAB_SIZE);
+
+ /* add the reloc into idata$5 */
+ rel = xmalloc (sizeof (arelent));
+
+ rpp = xmalloc (sizeof (arelent *) * 2);
+ rpp[0] = rel;
+ rpp[1] = 0;
+
+ rel->address = HOW_JTAB_ROFF;
+ rel->addend = 0;
+
+ if (machine == MPPC)
+ {
+ rel->howto = bfd_reloc_type_lookup (abfd,
+ BFD_RELOC_16_GOTOFF);
+ rel->sym_ptr_ptr = iname_pp;
+ }
+ else
+ {
+ rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ rel->sym_ptr_ptr = secdata[IDATA5].sympp;
+ }
+ sec->orelocation = rpp;
+ sec->reloc_count = 1;
+ }
+ break;
+ case IDATA4:
+ case IDATA5:
+ /* An idata$4 or idata$5 is one word long, and has an
+ rva to idata$6. */
+
+ si->data = xmalloc (4);
+ si->size = 4;
+
+ if (exp->noname)
+ {
+ si->data[0] = exp->ordinal ;
+ si->data[1] = exp->ordinal >> 8;
+ si->data[2] = exp->ordinal >> 16;
+ si->data[3] = 0x80;
+ }
+ else
+ {
+ sec->reloc_count = 1;
+ memset (si->data, 0, si->size);
+ rel = xmalloc (sizeof (arelent));
+ rpp = xmalloc (sizeof (arelent *) * 2);
+ rpp[0] = rel;
+ rpp[1] = 0;
+ rel->address = 0;
+ rel->addend = 0;
+ rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_RVA);
+ rel->sym_ptr_ptr = secdata[IDATA6].sympp;
+ sec->orelocation = rpp;
+ }
+
+ break;
+
+ case IDATA6:
+ if (!exp->noname)
+ {
+ /* This used to add 1 to exp->hint. I don't know
+ why it did that, and it does not match what I see
+ in programs compiled with the MS tools. */
+ int idx = exp->hint;
+ si->size = strlen (xlate (exp->name)) + 3;
+ si->data = xmalloc (si->size);
+ si->data[0] = idx & 0xff;
+ si->data[1] = idx >> 8;
+ strcpy (si->data + 2, xlate (exp->name));
+ }
+ break;
+ case IDATA7:
+ si->size = 4;
+ si->data =xmalloc (4);
+ memset (si->data, 0, si->size);
+ rel = xmalloc (sizeof (arelent));
+ rpp = xmalloc (sizeof (arelent *) * 2);
+ rpp[0] = rel;
+ rel->address = 0;
+ rel->addend = 0;
+ rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_RVA);
+ rel->sym_ptr_ptr = iname_lab_pp;
+ sec->orelocation = rpp;
+ sec->reloc_count = 1;
+ break;
+
+#ifdef DLLTOOL_PPC
+ case PDATA:
+ {
+ /* The .pdata section is 5 words long.
+ Think of it as:
+ struct
+ {
+ bfd_vma BeginAddress, [0x00]
+ EndAddress, [0x04]
+ ExceptionHandler, [0x08]
+ HandlerData, [0x0c]
+ PrologEndAddress; [0x10]
+ }; */
+
+ /* So this pdata section setups up this as a glue linkage to
+ a dll routine. There are a number of house keeping things
+ we need to do:
+
+ 1. In the name of glue trickery, the ADDR32 relocs for 0,
+ 4, and 0x10 are set to point to the same place:
+ "..function_name".
+ 2. There is one more reloc needed in the pdata section.
+ The actual glue instruction to restore the toc on
+ return is saved as the offset in an IMGLUE reloc.
+ So we need a total of four relocs for this section.
+
+ 3. Lastly, the HandlerData field is set to 0x03, to indicate
+ that this is a glue routine. */
+ arelent *imglue, *ba_rel, *ea_rel, *pea_rel;
+
+ /* Alignment must be set to 2**2 or you get extra stuff. */
+ bfd_set_section_alignment(abfd, sec, 2);
+
+ si->size = 4 * 5;
+ si->data = xmalloc (si->size);
+ memset (si->data, 0, si->size);
+ rpp = xmalloc (sizeof (arelent *) * 5);
+ rpp[0] = imglue = xmalloc (sizeof (arelent));
+ rpp[1] = ba_rel = xmalloc (sizeof (arelent));
+ rpp[2] = ea_rel = xmalloc (sizeof (arelent));
+ rpp[3] = pea_rel = xmalloc (sizeof (arelent));
+ rpp[4] = 0;
+
+ /* Stick the toc reload instruction in the glue reloc. */
+ bfd_put_32(abfd, ppc_glue_insn, (char *) &imglue->address);
+
+ imglue->addend = 0;
+ imglue->howto = bfd_reloc_type_lookup (abfd,
+ BFD_RELOC_32_GOTOFF);
+ imglue->sym_ptr_ptr = fn_pp;
+
+ ba_rel->address = 0;
+ ba_rel->addend = 0;
+ ba_rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ ba_rel->sym_ptr_ptr = fn_pp;
+
+ bfd_put_32 (abfd, 0x18, si->data + 0x04);
+ ea_rel->address = 4;
+ ea_rel->addend = 0;
+ ea_rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ ea_rel->sym_ptr_ptr = fn_pp;
+
+ /* Mark it as glue. */
+ bfd_put_32 (abfd, 0x03, si->data + 0x0c);
+
+ /* Mark the prolog end address. */
+ bfd_put_32 (abfd, 0x0D, si->data + 0x10);
+ pea_rel->address = 0x10;
+ pea_rel->addend = 0;
+ pea_rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ pea_rel->sym_ptr_ptr = fn_pp;
+
+ sec->orelocation = rpp;
+ sec->reloc_count = 4;
+ break;
+ }
+ case RDATA:
+ /* Each external function in a PowerPC PE file has a two word
+ descriptor consisting of:
+ 1. The address of the code.
+ 2. The address of the appropriate .toc
+ We use relocs to build this. */
+ si->size = 8;
+ si->data = xmalloc (8);
+ memset (si->data, 0, si->size);
+
+ rpp = xmalloc (sizeof (arelent *) * 3);
+ rpp[0] = rel = xmalloc (sizeof (arelent));
+ rpp[1] = xmalloc (sizeof (arelent));
+ rpp[2] = 0;
+
+ rel->address = 0;
+ rel->addend = 0;
+ rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ rel->sym_ptr_ptr = fn_pp;
+
+ rel = rpp[1];
+
+ rel->address = 4;
+ rel->addend = 0;
+ rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
+ rel->sym_ptr_ptr = toc_pp;
+
+ sec->orelocation = rpp;
+ sec->reloc_count = 2;
+ break;
+#endif /* DLLTOOL_PPC */
+ }
+ }
+
+ {
+ bfd_vma vma = 0;
+ /* Size up all the sections. */
+ for (i = 0; i < NSECS; i++)
+ {
+ sinfo *si = secdata + i;
+
+ bfd_set_section_size (abfd, si->sec, si->size);
+ bfd_set_section_vma (abfd, si->sec, vma);
+
+/* vma += si->size;*/
+ }
+ }
+ /* Write them out. */
+ for (i = 0; i < NSECS; i++)
+ {
+ sinfo *si = secdata + i;
+
+ if (i == IDATA5 && no_idata5)
+ continue;
+
+ if (i == IDATA4 && no_idata4)
+ continue;
+
+ bfd_set_section_contents (abfd, si->sec,
+ si->data, 0,
+ si->size);
+ }
+
+ bfd_set_symtab (abfd, ptrs, oidx);
+ bfd_close (abfd);
+ abfd = bfd_openr (outname, HOW_BFD_READ_TARGET);
+ return abfd;
+ }
+#endif
+}
+
+static bfd *
+make_head ()
+{
+ FILE *f = fopen (TMP_HEAD_S, FOPEN_WT);
+
+ if (f == NULL)
+ {
+ fatal (_("failed to open temporary head file: %s"), TMP_HEAD_S);
+ return NULL;
+ }
projects / external / binutils.git / blobdiff