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PR binutils/13682 

* NEWS: Mention new feature.
	* dlltool.c (i386_x64_dljtab): New stub-code for x64
	delayed-load feature.
	(i386_x64_trampoline): New trampoline-code for x64
	delayed-load feature.
	(make_one_lib_file): Add support for x64 delayed-load
	feature.
	(make_delay_head): Likewis
This commit is contained in:
Kai Tietz 2012-02-21 16:10:12 +00:00
parent dfcee12489
commit 9a30f23643
3 changed files with 61 additions and 11 deletions
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12
binutils/ChangeLog
View File

@ -1,3 +1,15 @@
2012-02-21 Kai Tietz<ktietz@redhat.com>
PR binutils/13682
* NEWS: Mention new feature.
* dlltool.c (i386_x64_dljtab): New stub-code for x64
delayed-load feature.
(i386_x64_trampoline): New trampoline-code for x64
delayed-load feature.
(make_one_lib_file): Add support for x64 delayed-load
feature.
(make_delay_head): Likewis
2012-02-20 Namhyung Kim <namhyung.kim@lge.com>
* objdump.c (slurp_file): Close file if fstat fails.

2
binutils/NEWS
View File

@ -1,5 +1,7 @@
-*- text -*-
* Add support for x64 Windows target of the delayed-load-library.
* Add support for the Renesas RL78 architecture.
Changes in 2.22:

58
binutils/dlltool.c
View File

@ -515,6 +515,14 @@ static const unsigned char i386_dljtab[] =
0xE9, 0x00, 0x00, 0x00, 0x00 /* jmp __tailMerge__dllname */
};
static const unsigned char i386_x64_dljtab[] =
{
0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, /* jmp __imp__function */
0x48, 0x8d, 0x05, /* leaq rax, (__imp__function) */
0x00, 0x00, 0x00, 0x00,
0xE9, 0x00, 0x00, 0x00, 0x00 /* jmp __tailMerge__dllname */
};
static const unsigned char arm_jtab[] =
{
0x00, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc] */
@ -591,6 +599,22 @@ static const char i386_trampoline[] =
"\tpopl %%ecx\n"
"\tjmp *%%eax\n";
static const char i386_x64_trampoline[] =
"\tpushq %%rcx\n"
"\tpushq %%rdx\n"
"\tpushq %%r8\n"
"\tpushq %%r9\n"
"\tsubq $40, %%rsp\n"
"\tmovq %%rax, %%rdx\n"
"\tleaq __DELAY_IMPORT_DESCRIPTOR_%s(%%rip), %%rcx\n"
"\tcall __delayLoadHelper2\n"
"\taddq $40, %%rsp\n"
"\tpopq %%r9\n"
"\tpopq %%r8\n"
"\tpopq %%rdx\n"
"\tpopq %%rcx\n"
"\tjmp *%%rax\n";
struct mac
{
const char *type;
@ -735,7 +759,7 @@ mtable[] =
"jmp *", ".global", ".space", ".align\t2",".align\t4", "",
"pe-x86-64",bfd_arch_i386,
i386_jtab, sizeof (i386_jtab), 2,
i386_dljtab, sizeof (i386_dljtab), 2, 7, 12, i386_trampoline
i386_x64_dljtab, sizeof (i386_x64_dljtab), 2, 9, 14, i386_x64_trampoline
}
,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
@ -2609,9 +2633,14 @@ make_one_lib_file (export_type *exp, int i, int delay)
if (delay)
{
rel2->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
if (machine == MX86)
rel2->howto = bfd_reloc_type_lookup (abfd,
BFD_RELOC_32_PCREL);
else
rel2->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
rel2->sym_ptr_ptr = rel->sym_ptr_ptr;
rel3->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32_PCREL);
rel3->howto = bfd_reloc_type_lookup (abfd,
BFD_RELOC_32_PCREL);
rel3->sym_ptr_ptr = iname_lab_pp;
}
@ -2623,10 +2652,11 @@ make_one_lib_file (export_type *exp, int i, int delay)
case IDATA5:
if (delay)
{
si->data = xmalloc (4);
si->size = 4;
si->size = create_for_pep ? 8 : 4;
si->data = xmalloc (si->size);
sec->reloc_count = 1;
memset (si->data, 0, si->size);
/* Point after jmp [__imp_...] instruction. */
si->data[0] = 6;
rel = xmalloc (sizeof (arelent));
rpp = xmalloc (sizeof (arelent *) * 2);
@ -2634,7 +2664,10 @@ make_one_lib_file (export_type *exp, int i, int delay)
rpp[1] = 0;
rel->address = 0;
rel->addend = 0;
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
if (create_for_pep)
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_64);
else
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
rel->sym_ptr_ptr = secdata[TEXT].sympp;
sec->orelocation = rpp;
break;
@ -3005,6 +3038,8 @@ make_delay_head (void)
fprintf (f, "\n.section .data\n");
fprintf (f, "__DLL_HANDLE_%s:\n", imp_name_lab);
fprintf (f, "\t%s\t0\t%s Handle\n", ASM_LONG, ASM_C);
if (create_for_pep)
fprintf (f, "\t%s\t0\n", ASM_LONG);
fprintf (f, "\n");
fprintf (f, "%sStuff for compatibility\n", ASM_C);
@ -3013,11 +3048,10 @@ make_delay_head (void)
{
fprintf (f, "\t.section\t.idata$5\n");
/* NULL terminating list. */
#ifdef DLLTOOL_MX86_64
fprintf (f,"\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
#else
fprintf (f,"\t%s\t0\n", ASM_LONG);
#endif
if (create_for_pep)
fprintf (f,"\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
else
fprintf (f,"\t%s\t0\n", ASM_LONG);
fprintf (f, "__IAT_%s:\n", imp_name_lab);
}
@ -3025,6 +3059,8 @@ make_delay_head (void)
{
fprintf (f, "\t.section\t.idata$4\n");
fprintf (f, "\t%s\t0\n", ASM_LONG);
if (create_for_pep)
fprintf (f, "\t%s\t0\n", ASM_LONG);
fprintf (f, "\t.section\t.idata$4\n");
fprintf (f, "__INT_%s:\n", imp_name_lab);
}