/* dlltool.c -- tool to generate stuff for PE style DLLs
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ Copyright (C) 1995-2021 Free Software Foundation, Inc.
This file is part of GNU Binutils.
= Array of { short, asciz } entries, one for each imported function.
The `short' is the function's ordinal number.
- .idata$7 = dll name (eg: "kernel32.dll"). (.idata$6 for ppc). */
+ .idata$7 = dll name (eg: "kernel32.dll"). */
#include "sysdep.h"
#include "bfd.h"
static const char *mname = "i386:x86-64";
#endif
-#ifdef DLLTOOL_DEFAULT_PPC
-static const char *mname = "ppc";
-#endif
-
#ifdef DLLTOOL_DEFAULT_SH
static const char *mname = "sh";
#endif
0x00, 0x00, 0x00, 0x00 /* <address> */
};
-/* This is the glue sequence for PowerPC PE. There is a
- tocrel16-tocdefn reloc against the first instruction.
- We also need a IMGLUE reloc against the glue function
- to restore the toc saved by the third instruction in
- the glue. */
-static const unsigned char ppc_jtab[] =
-{
- 0x00, 0x00, 0x62, 0x81, /* lwz r11,0(r2) */
- /* Reloc TOCREL16 __imp_xxx */
- 0x00, 0x00, 0x8B, 0x81, /* lwz r12,0(r11) */
- 0x04, 0x00, 0x41, 0x90, /* stw r2,4(r1) */
- 0xA6, 0x03, 0x89, 0x7D, /* mtctr r12 */
- 0x04, 0x00, 0x4B, 0x80, /* lwz r2,4(r11) */
- 0x20, 0x04, 0x80, 0x4E /* bctr */
-};
-
-#ifdef DLLTOOL_PPC
-/* The glue instruction, picks up the toc from the stw in
- the above code: "lwz r2,4(r1)". */
-static bfd_vma ppc_glue_insn = 0x80410004;
-#endif
-
static const char i386_trampoline[] =
"\tpushl %%ecx\n"
"\tpushl %%edx\n"
}
,
{
-#define MPPC 2
- "ppc", ".byte", ".short", ".long", ".asciz", "#",
- "jmp *", ".global", ".space", ".align\t2",".align\t4", "",
- "pe-powerpcle",bfd_arch_powerpc,
- ppc_jtab, sizeof (ppc_jtab), 0,
- 0, 0, 0, 0, 0, 0
- }
- ,
- {
-#define MTHUMB 3
+#define MTHUMB 2
"thumb", ".byte", ".short", ".long", ".asciz", "@",
"push\t{r6}\n\tldr\tr6, [pc, #8]\n\tldr\tr6, [r6]\n\tmov\tip, r6\n\tpop\t{r6}\n\tbx\tip",
".global", ".space", ".align\t2",".align\t4", "-mthumb-interwork",
0, 0, 0, 0, 0, 0
}
,
-#define MARM_INTERWORK 4
+#define MARM_INTERWORK 3
{
"arm_interwork", ".byte", ".short", ".long", ".asciz", "@",
"ldr\tip,[pc]\n\tldr\tip,[ip]\n\tbx\tip\n\t.long",
}
,
{
-#define MMCORE_BE 5
+#define MMCORE_BE 4
"mcore-be", ".byte", ".short", ".long", ".asciz", "//",
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
".global", ".space", ".align\t2",".align\t4", "",
}
,
{
-#define MMCORE_LE 6
+#define MMCORE_LE 5
"mcore-le", ".byte", ".short", ".long", ".asciz", "//",
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
".global", ".space", ".align\t2",".align\t4", "-EL",
}
,
{
-#define MMCORE_ELF 7
+#define MMCORE_ELF 6
"mcore-elf-be", ".byte", ".short", ".long", ".asciz", "//",
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
".global", ".space", ".align\t2",".align\t4", "",
}
,
{
-#define MMCORE_ELF_LE 8
+#define MMCORE_ELF_LE 7
"mcore-elf-le", ".byte", ".short", ".long", ".asciz", "//",
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
".global", ".space", ".align\t2",".align\t4", "-EL",
}
,
{
-#define MARM_WINCE 9
+#define MARM_WINCE 8
"arm-wince", ".byte", ".short", ".long", ".asciz", "@",
"ldr\tip,[pc]\n\tldr\tpc,[ip]\n\t.long",
".global", ".space", ".align\t2",".align\t4", "-mapcs-32",
}
,
{
-#define MX86 10
+#define MX86 9
"i386:x86-64", ".byte", ".short", ".long", ".asciz", "#",
"jmp *", ".global", ".space", ".align\t2",".align\t4", "",
"pe-x86-64",bfd_arch_i386,
case MARM:
case M386:
case MX86:
- case MPPC:
case MTHUMB:
case MARM_INTERWORK:
case MMCORE_BE:
case MARM:
case M386:
case MX86:
- case MPPC:
case MTHUMB:
case MARM_INTERWORK:
case MMCORE_BE:
switch (mach)
{
case MARM:
- case MPPC:
case MTHUMB:
case MARM_INTERWORK:
case MMCORE_BE:
#define INIT_SEC_DATA(id, name, flags, align) \
{ id, name, flags, align, NULL, NULL, NULL, 0, NULL }
-#ifndef DLLTOOL_PPC
-
#define TEXT 0
#define DATA 1
#define BSS 2
INIT_SEC_DATA (IDATA6, ".idata$6", SEC_HAS_CONTENTS, 1)
};
-#else
-
-/* Sections numbered to make the order the same as other PowerPC NT
- compilers. This also keeps funny alignment thingies from happening. */
-#define TEXT 0
-#define PDATA 1
-#define RDATA 2
-#define IDATA5 3
-#define IDATA4 4
-#define IDATA6 5
-#define IDATA7 6
-#define DATA 7
-#define BSS 8
-
-#define NSECS 9
-
-static sinfo secdata[NSECS] =
-{
- INIT_SEC_DATA (TEXT, ".text", SEC_CODE | SEC_HAS_CONTENTS, 3),
- INIT_SEC_DATA (PDATA, ".pdata", SEC_HAS_CONTENTS, 2),
- INIT_SEC_DATA (RDATA, ".reldata", SEC_HAS_CONTENTS, 2),
- INIT_SEC_DATA (IDATA5, ".idata$5", SEC_HAS_CONTENTS, 2),
- INIT_SEC_DATA (IDATA4, ".idata$4", SEC_HAS_CONTENTS, 2),
- INIT_SEC_DATA (IDATA6, ".idata$6", SEC_HAS_CONTENTS, 1),
- INIT_SEC_DATA (IDATA7, ".idata$7", SEC_HAS_CONTENTS, 2),
- INIT_SEC_DATA (DATA, ".data", SEC_DATA, 2),
- INIT_SEC_DATA (BSS, ".bss", 0, 2)
-};
-
-#endif
-
/* This is what we're trying to make. We generate the imp symbols with
both single and double underscores, for compatibility.
# Hint/Name table
.section .idata$6
ID2: .short 2
- .asciz "GetFileVersionInfoSizeW"
-
-
- For the PowerPC, here's the variation on the above scheme:
-
-# Rather than a simple "jmp *", the code to get to the dll function
-# looks like:
- .text
- lwz r11,[tocv]__imp_function_name(r2)
-# RELOC: 00000000 TOCREL16,TOCDEFN __imp_function_name
- lwz r12,0(r11)
- stw r2,4(r1)
- mtctr r12
- lwz r2,4(r11)
- bctr */
+ .asciz "GetFileVersionInfoSizeW" */
static char *
make_label (const char *prefix, const char *name)
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
{
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->section = secdata[TEXT].sec;
exp_label->flags = BSF_GLOBAL;
exp_label->value = 0;
iname_lab_pp = ptrs + oidx;
ptrs[oidx++] = iname_lab;
-#ifdef DLLTOOL_PPC
- /* The symbol referring 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 = bfd_und_section_ptr;
- 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++)
rpp[3] = 0;
}
- if (machine == MPPC)
- {
- rel->howto = bfd_reloc_type_lookup (abfd,
- BFD_RELOC_16_GOTOFF);
- rel->sym_ptr_ptr = iname_pp;
- }
- else if (machine == MX86)
+ if (machine == MX86)
{
rel->howto = bfd_reloc_type_lookup (abfd,
BFD_RELOC_32_PCREL);
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 (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 */
}
}
fprintf (f,"\t%s\t0\n", ASM_LONG); /* NULL terminating list. */
}
-#ifdef DLLTOOL_PPC
- /* Normally, we need to see a null descriptor built in idata$3 to
- act as the terminator for the list. The ideal way, I suppose,
- would be to mark this section as a comdat type 2 section, so
- only one would appear in the final .exe (if our linker supported
- comdat, that is) or cause it to be inserted by something else (say
- crt0). */
-
- fprintf (f, "\t.section\t.idata$3\n");
- fprintf (f, "\t%s\t0\n", ASM_LONG);
- fprintf (f, "\t%s\t0\n", ASM_LONG);
- fprintf (f, "\t%s\t0\n", ASM_LONG);
- fprintf (f, "\t%s\t0\n", ASM_LONG);
- fprintf (f, "\t%s\t0\n", ASM_LONG);
-#endif
-
-#ifdef DLLTOOL_PPC
- /* Other PowerPC NT compilers use idata$6 for the dllname, so I
- do too. Original, huh? */
- fprintf (f, "\t.section\t.idata$6\n");
-#else
fprintf (f, "\t.section\t.idata$7\n");
-#endif
-
fprintf (f, "\t%s\t__%s_iname\n", ASM_GLOBAL, imp_name_lab);
fprintf (f, "__%s_iname:\t%s\t\"%s\"\n",
imp_name_lab, ASM_TEXT, dll_name);
}
/* This is the main implementation for the --identify option.
- Given the name of an import library in identify_imp_name, first determine
- if the import library is a GNU binutils-style one (where the DLL name is
- stored in an .idata$7 (.idata$6 on PPC) section, or if it is a MS-style
- one (where the DLL name, along with much other data, is stored in the
- .idata$6 section). We determine the style of import library by searching
- for the DLL-structure symbol inserted by MS tools:
- __NULL_IMPORT_DESCRIPTOR.
+ Given the name of an import library in identify_imp_name, first
+ determine if the import library is a GNU binutils-style one (where
+ the DLL name is stored in an .idata$7 section), or if it is a
+ MS-style one (where the DLL name, along with much other data, is
+ stored in the .idata$6 section). We determine the style of import
+ library by searching for the DLL-structure symbol inserted by MS
+ tools: __NULL_IMPORT_DESCRIPTOR.
Once we know which section to search, evaluate each section for the
appropriate properties that indicate it may contain the name of the
}
/* This predicate returns true if section->name matches the desired value.
- By default, this is .idata$7 (.idata$6 on PPC, or if the import
- library is ms-style). */
+ By default, this is .idata$7 (.idata$6 if the import library is
+ ms-style). */
static bfd_boolean
identify_process_section_p (asection * section, bfd_boolean ms_style_implib)
{
- static const char * SECTION_NAME =
-#ifdef DLLTOOL_PPC
- /* dllname is stored in idata$6 on PPC */
- ".idata$6";
-#else
- ".idata$7";
-#endif
+ static const char * SECTION_NAME = ".idata$7";
static const char * MS_SECTION_NAME = ".idata$6";
const char * section_name =
return FALSE;
}
-/* If *section has contents and its name is .idata$7 (.data$6 on PPC or if
+/* If *section has contents and its name is .idata$7 (.idata$6 if
import lib ms-generated) -- and it satisfies several other constraints
-- then add the contents of the section to obj->list. */
fprintf (file, _("Usage %s <option(s)> <object-file(s)>\n"), program_name);
/* xgetext:c-format */
fprintf (file, _(" -m --machine <machine> Create as DLL for <machine>. [default: %s]\n"), mname);
- fprintf (file, _(" possible <machine>: arm[_interwork], i386, mcore[-elf]{-le|-be}, ppc, thumb\n"));
+ fprintf (file, _(" possible <machine>: arm[_interwork], i386, mcore[-elf]{-le|-be}, thumb\n"));
fprintf (file, _(" -e --output-exp <outname> Generate an export file.\n"));
fprintf (file, _(" -l --output-lib <outname> Generate an interface library.\n"));
fprintf (file, _(" -y --output-delaylib <outname> Create a delay-import library.\n"));
/* Deduce the name of the program we are want to invoke.
PROG_NAME is the basic name of the program we want to run,
eg "as" or "ld". The catch is that we might want actually
- run "i386-pe-as" or "ppc-pe-ld".
+ run "i386-pe-as".
If argv[0] contains the full path, then try to find the program
in the same place, with and then without a target-like prefix.
projects / thirdparty / binutils-gdb.git / blobdiff