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* elf32-arm.c (THM2_MAX_FWD_BRANCH_OFFSET): Define.
        (THM2_MAX_BWD_BRANCH_OFFSET): Define.
        (ARM_MAX_FWD_BRANCH_OFFSET): Define.
        (ARM_MAX_BWD_BRANCH_OFFSET): Define.
        (THM_MAX_FWD_BRANCH_OFFSET): Define.
        (THM_MAX_BWD_BRANCH_OFFSET): Define.
        (arm_long_branch_stub): Define.
        (arm_pic_long_branch_stub): Define.
        (arm_thumb_v4t_long_branch_stub): Define.
        (arm_thumb_thumb_long_branch_stub): Define.
        (arm_thumb_arm_v4t_long_branch_stub): Define.
        (STUB_SUFFIX): Define.
        (elf32_arm_stub_type): Define.
        (elf32_arm_stub_hash_entry): Define.
        (elf32_arm_link_hash_entry): Add stub_cache field.
        (arm_stub_hash_lookup): Define.
        (elf32_arm_link_hash_table): Add stub_hash_table, stub_bfd,
        add_stub_section, layout_sections_again, stub_group, bfd_count,
        top_index, input_list fields.
        (elf32_arm_link_hash_newfunc): Init new field.
        (stub_hash_newfunc): New function.
        (elf32_arm_link_hash_table_create): Init stub_hash_table.
        (elf32_arm_hash_table_free): New function.
        (arm_type_of_stub): New function.
        (elf32_arm_stub_name): New function.
        (elf32_arm_get_stub_entry): New function.
        (elf32_arm_stub_add_mapping_symbol): New function.
        (elf32_arm_add_stub): New function.
        (arm_build_one_stub): New function.
        (arm_size_one_stub): New function.
        (elf32_arm_setup_section_lists): New function.
        (elf32_arm_next_input_section): New function.
        (group_sections): New function.
        (elf32_arm_size_stubs): New function.
        (elf32_arm_build_stubs): New function.
        (bfd_elf32_arm_add_glue_sections_to_bfd): Skip stub sections.
        (bfd_elf32_arm_process_before_allocation): No longer handle
        R_ARM_CALL and R_ARM_THM_CALL.
        (using_thumb_only): New function.
        (elf32_arm_final_link_relocate): Redirect calls to stub if range
        exceeds encoding capabilities.
        (bfd_elf32_bfd_link_hash_table_free): Define.
        * bfd-in.h (R_ARM_max): Fix value to 130.
        (elf32_arm_setup_section_lists): Protype.
        (elf32_arm_next_input_section): Protype.
        (elf32_arm_size_stubs): Protype.
        (elf32_arm_build_stubs): Protype.

        ld/
        * emultempl/armelf.em (build_section_lists): New function.
        (stub_file): Define.
        (need_laying_out): Define.
        (group_size): Define.
        (hook_stub_info): Define.
        (hook_in_stub): New function.
        (elf32_arm_add_stub_section): New function.
        (gldarm_layout_sections_again): New function.
        (gld${EMULATION_NAME}_finish): Replace arm_elf_finish(). Generate
        stubs for long calls if needed.
        (arm_elf_create_output_section_statements): create stub_file bfd.
        (arm_for_each_input_file_wrapper): New function.
        (arm_lang_for_each_input_file): New function.
        (lang_for_each_input_file): Define.
        (PARSE_AND_LIST_PROLOGUE): Add option token OPTION_STUBGROUP_SIZE.
        (PARSE_AND_LIST_LONGOPTS): Add option stub-group-size.
        (PARSE_AND_LIST_OPTIONS): Add option stub-group-size.
        (PARSE_AND_LIST_ARGS_CASES): Add OPTION_STUBGROUP_SIZE case.
        (LDEMUL_FINISH): Update to gld${EMULATION_NAME}_finish.
        * ld/lang.c (print_input_statement): Skip if bfd has
        BFD_LINKER_CREATED.

        ld/testsuite
        * ld-arm/arm-elf.exp (armelftests): Add farcall-arm-arm,
        farcall-arm-arm-pic-veneer, farcall-arm-arm-be8 farcall-arm-thumb,
        farcall-arm-thumb-blx, farcall-arm-thumb-pic-veneer,
        farcall-arm-thumb-blx-pic-veneer, farcall-thumb-thumb,
        farcall-thumb-thumb-pic-veneer, farcall-thumb-thumb-blx,
        farcall-thumb-thumb-m, farcall-thumb-thumb-m-pic-veneer,
        farcall-thumb-thumb-blx-pic-veneer, farcall-thumb-arm,
        farcall-thumb-arm-pic-veneer, farcall-thumb-arm-blx,
        farcall-thumb-arm-blx-pic-veneer.
        Change thumb2-bl-as-thumb1-bad, thumb2-bl-bad.
        * ld-arm/thumb2-bl-as-thumb1-bad.d: Reflects farcall stub
        generation.
        * ld-arm/thumb2-bl-bad.d: Likewise.
        * ld-arm/thumb2-bl-as-thumb1-bad.s: Update comments.
        * ld-arm/thumb2-bl-bad.s: Likewise.
This commit is contained in:
Nick Clifton 2008-05-15 17:00:15 +00:00
parent 83b94be541
commit 906e58cab5
35 changed files with 2377 additions and 383 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
bfd/ChangeLog
View File

@ -1,3 +1,55 @@
2008-05-15 Christophe Lyon <christophe.lyon@st.com>
Add long call support for ARM.
* elf32-arm.c (THM2_MAX_FWD_BRANCH_OFFSET): Define.
(THM2_MAX_BWD_BRANCH_OFFSET): Define.
(ARM_MAX_FWD_BRANCH_OFFSET): Define.
(ARM_MAX_BWD_BRANCH_OFFSET): Define.
(THM_MAX_FWD_BRANCH_OFFSET): Define.
(THM_MAX_BWD_BRANCH_OFFSET): Define.
(arm_long_branch_stub): Define.
(arm_pic_long_branch_stub): Define.
(arm_thumb_v4t_long_branch_stub): Define.
(arm_thumb_thumb_long_branch_stub): Define.
(arm_thumb_arm_v4t_long_branch_stub): Define.
(STUB_SUFFIX): Define.
(elf32_arm_stub_type): Define.
(elf32_arm_stub_hash_entry): Define.
(elf32_arm_link_hash_entry): Add stub_cache field.
(arm_stub_hash_lookup): Define.
(elf32_arm_link_hash_table): Add stub_hash_table, stub_bfd,
add_stub_section, layout_sections_again, stub_group, bfd_count,
top_index, input_list fields.
(elf32_arm_link_hash_newfunc): Init new field.
(stub_hash_newfunc): New function.
(elf32_arm_link_hash_table_create): Init stub_hash_table.
(elf32_arm_hash_table_free): New function.
(arm_type_of_stub): New function.
(elf32_arm_stub_name): New function.
(elf32_arm_get_stub_entry): New function.
(elf32_arm_stub_add_mapping_symbol): New function.
(elf32_arm_add_stub): New function.
(arm_build_one_stub): New function.
(arm_size_one_stub): New function.
(elf32_arm_setup_section_lists): New function.
(elf32_arm_next_input_section): New function.
(group_sections): New function.
(elf32_arm_size_stubs): New function.
(elf32_arm_build_stubs): New function.
(bfd_elf32_arm_add_glue_sections_to_bfd): Skip stub sections.
(bfd_elf32_arm_process_before_allocation): No longer handle
R_ARM_CALL and R_ARM_THM_CALL.
(using_thumb_only): New function.
(elf32_arm_final_link_relocate): Redirect calls to stub if range
exceeds encoding capabilities.
(bfd_elf32_bfd_link_hash_table_free): Define.
* bfd-in.h (R_ARM_max): Fix value to 130.
(elf32_arm_setup_section_lists): Protype.
(elf32_arm_next_input_section): Protype.
(elf32_arm_size_stubs): Protype.
(elf32_arm_build_stubs): Protype.
* bfd-in2.h: Regenerate.
2008-05-14 Ulrich Weigand <uweigand@de.ibm.com>
* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Fix memset calls.

11
bfd/bfd-in.h
View File

@ -883,6 +883,17 @@ extern bfd_boolean bfd_arm_update_notes
extern unsigned int bfd_arm_get_mach_from_notes
(bfd *, const char *);
/* ARM stub generation support. Called from the linker. */
extern int elf32_arm_setup_section_lists
(bfd *, struct bfd_link_info *);
extern void elf32_arm_next_input_section
(struct bfd_link_info *, struct bfd_section *);
extern bfd_boolean elf32_arm_size_stubs
(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
extern bfd_boolean elf32_arm_build_stubs
(struct bfd_link_info *);
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);

11
bfd/bfd-in2.h
View File

@ -890,6 +890,17 @@ extern bfd_boolean bfd_arm_update_notes
extern unsigned int bfd_arm_get_mach_from_notes
(bfd *, const char *);
/* ARM stub generation support. Called from the linker. */
extern int elf32_arm_setup_section_lists
(bfd *, struct bfd_link_info *);
extern void elf32_arm_next_input_section
(struct bfd_link_info *, struct bfd_section *);
extern bfd_boolean elf32_arm_size_stubs
(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
extern bfd_boolean elf32_arm_build_stubs
(struct bfd_link_info *);
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);

1928
bfd/elf32-arm.c
View File

File diff suppressed because it is too large Load Diff

8
bfd/elf32-frv.c
View File

@ -1397,7 +1397,8 @@ _frvfdpic_emit_got_relocs_plt_entries (struct frvfdpic_relocs_info *entry,
dynindx = entry->d.h->dynindx;
else
{
if (sec->output_section
if (sec
&& sec->output_section
&& ! bfd_is_abs_section (sec->output_section)
&& ! bfd_is_und_section (sec->output_section))
dynindx = elf_section_data (sec->output_section)->dynindx;
@ -1679,8 +1680,9 @@ _frvfdpic_emit_got_relocs_plt_entries (struct frvfdpic_relocs_info *entry,
of the section. For a non-local function, it's
disregarded. */
lowword = ad;
if (entry->symndx == -1 && entry->d.h->dynindx != -1
&& entry->d.h->dynindx == idx)
if (sec == NULL
|| (entry->symndx == -1 && entry->d.h->dynindx != -1
&& entry->d.h->dynindx == idx))
highword = 0;
else
highword = _frvfdpic_osec_to_segment

24
ld/ChangeLog
View File

@ -1,3 +1,27 @@
2008-05-15 Christophe Lyon <christophe.lyon@st.com>
* emultempl/armelf.em (build_section_lists): New function.
(stub_file): Define.
(need_laying_out): Define.
(group_size): Define.
(hook_stub_info): Define.
(hook_in_stub): New function.
(elf32_arm_add_stub_section): New function.
(gldarm_layout_sections_again): New function.
(gld${EMULATION_NAME}_finish): Replace arm_elf_finish(). Generate
stubs for long calls if needed.
(arm_elf_create_output_section_statements): create stub_file bfd.
(arm_for_each_input_file_wrapper): New function.
(arm_lang_for_each_input_file): New function.
(lang_for_each_input_file): Define.
(PARSE_AND_LIST_PROLOGUE): Add option token OPTION_STUBGROUP_SIZE.
(PARSE_AND_LIST_LONGOPTS): Add option stub-group-size.
(PARSE_AND_LIST_OPTIONS): Add option stub-group-size.
(PARSE_AND_LIST_ARGS_CASES): Add OPTION_STUBGROUP_SIZE case.
(LDEMUL_FINISH): Update to gld${EMULATION_NAME}_finish.
* lang.c (print_input_statement): Skip if bfd has
BFD_LINKER_CREATED.
2008-05-14 Alan Modra <amodra@bigpond.net.au>
* Makefile.in: Regenerate.

274
ld/emultempl/armelf.em
View File

@ -27,6 +27,7 @@
test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
fragment <<EOF
#include "ldctor.h"
#include "elf/arm.h"
static char *thumb_entry_symbol = NULL;
@ -173,13 +174,221 @@ arm_elf_after_allocation (void)
}
}
/* Fake input file for stubs. */
static lang_input_statement_type *stub_file;
/* Whether we need to call gldarm_layout_sections_again. */
static int need_laying_out = 0;
/* Maximum size of a group of input sections that can be handled by
one stub section. A value of +/-1 indicates the bfd back-end
should use a suitable default size. */
static bfd_signed_vma group_size = 1;
struct hook_stub_info
{
lang_statement_list_type add;
asection *input_section;
};
/* Traverse the linker tree to find the spot where the stub goes. */
static bfd_boolean
hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
{
lang_statement_union_type *l;
bfd_boolean ret;
for (; (l = *lp) != NULL; lp = &l->header.next)
{
switch (l->header.type)
{
case lang_constructors_statement_enum:
ret = hook_in_stub (info, &constructor_list.head);
if (ret)
return ret;
break;
case lang_output_section_statement_enum:
ret = hook_in_stub (info,
&l->output_section_statement.children.head);
if (ret)
return ret;
break;
case lang_wild_statement_enum:
ret = hook_in_stub (info, &l->wild_statement.children.head);
if (ret)
return ret;
break;
case lang_group_statement_enum:
ret = hook_in_stub (info, &l->group_statement.children.head);
if (ret)
return ret;
break;
case lang_input_section_enum:
if (l->input_section.section == info->input_section)
{
/* We've found our section. Insert the stub immediately
before its associated input section. */
*lp = info->add.head;
*(info->add.tail) = l;
return TRUE;
}
break;
case lang_data_statement_enum:
case lang_reloc_statement_enum:
case lang_object_symbols_statement_enum:
case lang_output_statement_enum:
case lang_target_statement_enum:
case lang_input_statement_enum:
case lang_assignment_statement_enum:
case lang_padding_statement_enum:
case lang_address_statement_enum:
case lang_fill_statement_enum:
break;
default:
FAIL ();
break;
}
}
return FALSE;
}
/* Call-back for elf32_arm_size_stubs. */
/* Create a new stub section, and arrange for it to be linked
immediately before INPUT_SECTION. */
static asection *
elf32_arm_add_stub_section (const char *stub_sec_name,
asection *input_section)
{
asection *stub_sec;
flagword flags;
asection *output_section;
const char *secname;
lang_output_section_statement_type *os;
struct hook_stub_info info;
stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
if (stub_sec == NULL)
goto err_ret;
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
| SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
goto err_ret;
bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3);
output_section = input_section->output_section;
secname = bfd_get_section_name (output_section->owner, output_section);
os = lang_output_section_find (secname);
info.input_section = input_section;
lang_list_init (&info.add);
lang_add_section (&info.add, stub_sec, os);
if (info.add.head == NULL)
goto err_ret;
if (hook_in_stub (&info, &os->children.head))
return stub_sec;
err_ret:
einfo ("%X%P: can not make stub section: %E\n");
return NULL;
}
/* Another call-back for elf_arm_size_stubs. */
static void
arm_elf_finish (void)
gldarm_layout_sections_again (void)
{
/* If we have changed sizes of the stub sections, then we need
to recalculate all the section offsets. This may mean we need to
add even more stubs. */
gld${EMULATION_NAME}_map_segments (TRUE);
need_laying_out = -1;
}
static void
build_section_lists (lang_statement_union_type *statement)
{
if (statement->header.type == lang_input_section_enum)
{
asection *i = statement->input_section.section;
if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
&& (i->flags & SEC_EXCLUDE) == 0
&& i->output_section != NULL
&& i->output_section->owner == link_info.output_bfd)
elf32_arm_next_input_section (& link_info, i);
}
}
static void
gld${EMULATION_NAME}_finish (void)
{
struct bfd_link_hash_entry * h;
/* Call the elf32.em routine. */
gld${EMULATION_NAME}_finish ();
/* bfd_elf32_discard_info just plays with debugging sections,
ie. doesn't affect any code, so we can delay resizing the
sections. It's likely we'll resize everything in the process of
adding stubs. */
if (bfd_elf_discard_info (link_info.output_bfd, & link_info))
need_laying_out = 1;
/* If generating a relocatable output file, then we don't
have to examine the relocs. */
if (stub_file != NULL && !link_info.relocatable)
{
int ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info);
if (ret != 0)
{
if (ret < 0)
{
einfo ("%X%P: can not size stub section: %E\n");
return;
}
lang_for_each_statement (build_section_lists);
/* Call into the BFD backend to do the real work. */
if (! elf32_arm_size_stubs (link_info.output_bfd,
stub_file->the_bfd,
& link_info,
group_size,
& elf32_arm_add_stub_section,
& gldarm_layout_sections_again))
{
einfo ("%X%P: can not size stub section: %E\n");
return;
}
}
}
if (need_laying_out != -1)
gld${EMULATION_NAME}_map_segments (need_laying_out);
if (! link_info.relocatable)
{
/* Now build the linker stubs. */
if (stub_file->the_bfd->sections != NULL)
{
if (! elf32_arm_build_stubs (& link_info))
einfo ("%X%P: can not build stubs: %E\n");
}
}
finish_default ();
if (thumb_entry_symbol)
{
@ -246,8 +455,44 @@ arm_elf_create_output_section_statements (void)
target2_type, fix_v4bx, use_blx,
vfp11_denorm_fix, no_enum_size_warning,
pic_veneer);
stub_file = lang_add_input_file ("linker stubs",
lang_input_file_is_fake_enum,
NULL);
stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
if (stub_file->the_bfd == NULL
|| ! bfd_set_arch_mach (stub_file->the_bfd,
bfd_get_arch (link_info.output_bfd),
bfd_get_mach (link_info.output_bfd)))
{
einfo ("%X%P: can not create BFD %E\n");
return;
}
stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
ldlang_add_file (stub_file);
}
/* Avoid processing the fake stub_file in vercheck, stat_needed and
check_needed routines. */
static void (*real_func) (lang_input_statement_type *);
static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
{
if (l != stub_file)
(*real_func) (l);
}
static void
arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
{
real_func = func;
lang_for_each_input_file (&arm_for_each_input_file_wrapper);
}
#define lang_for_each_input_file arm_lang_for_each_input_file
EOF
# Define some shell vars to insert bits of code into the standard elf
@ -265,6 +510,7 @@ PARSE_AND_LIST_PROLOGUE='
#define OPTION_NO_ENUM_SIZE_WARNING 309
#define OPTION_PIC_VENEER 310
#define OPTION_FIX_V4BX_INTERWORKING 311
#define OPTION_STUBGROUP_SIZE 312
'
PARSE_AND_LIST_SHORTOPTS=p
@ -282,6 +528,7 @@ PARSE_AND_LIST_LONGOPTS='
{ "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
'
PARSE_AND_LIST_OPTIONS='
@ -297,6 +544,15 @@ PARSE_AND_LIST_OPTIONS='
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible"
" enum sizes\n"));
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
fprintf (file, _("\
--stub-group-size=N Maximum size of a group of input sections that can be\n\
handled by one stub section. A negative value\n\
locates all stubs before their branches (with a\n\
group size of -N), while a positive value allows\n\
two groups of input sections, one before, and one\n\
after each stub section. Values of +/-1 indicate\n\
the linker should choose suitable defaults.\n"
));
'
PARSE_AND_LIST_ARGS_CASES='
@ -354,6 +610,16 @@ PARSE_AND_LIST_ARGS_CASES='
case OPTION_PIC_VENEER:
pic_veneer = 1;
break;
case OPTION_STUBGROUP_SIZE:
{
const char *end;
group_size = bfd_scan_vma (optarg, &end, 0);
if (*end)
einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
}
break;
'
# We have our own after_open and before_allocation functions, but they call
@ -367,4 +633,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
# Call the extra arm-elf function
LDEMUL_FINISH=arm_elf_finish
LDEMUL_FINISH=gld${EMULATION_NAME}_finish

13
ld/ldlang.c
View File

@ -3729,10 +3729,11 @@ print_assignment (lang_assignment_statement_type *assignment,
static void
print_input_statement (lang_input_statement_type *statm)
{
if (statm->filename != NULL)
{
fprintf (config.map_file, "LOAD %s\n", statm->filename);
}
if ((statm->filename != NULL)
&& ((statm->the_bfd == NULL)
||
((statm->the_bfd->flags & BFD_LINKER_CREATED) == 0)))
fprintf (config.map_file, "LOAD %s\n", statm->filename);
}
/* Print all symbols defined in a particular section. This is called
@ -4185,8 +4186,8 @@ insert_pad (lang_statement_union_type **ptr,
/* Use the existing pad statement. */
}
else if ((pad = *ptr) != NULL
&& pad->header.type == lang_padding_statement_enum
&& pad->padding_statement.output_section == output_section)
&& pad->header.type == lang_padding_statement_enum
&& pad->padding_statement.output_section == output_section)
{
/* Use the existing pad statement. */
}

18
ld/testsuite/ChangeLog
View File

@ -1,3 +1,21 @@
2008-05-15 Christophe Lyon <christophe.lyon@st.com>
* ld-arm/arm-elf.exp (armelftests): Add farcall-arm-arm,
farcall-arm-arm-pic-veneer, farcall-arm-arm-be8 farcall-arm-thumb,
farcall-arm-thumb-blx, farcall-arm-thumb-pic-veneer,
farcall-arm-thumb-blx-pic-veneer, farcall-thumb-thumb,
farcall-thumb-thumb-pic-veneer, farcall-thumb-thumb-blx,
farcall-thumb-thumb-m, farcall-thumb-thumb-m-pic-veneer,
farcall-thumb-thumb-blx-pic-veneer, farcall-thumb-arm,
farcall-thumb-arm-pic-veneer, farcall-thumb-arm-blx,
farcall-thumb-arm-blx-pic-veneer.
Change thumb2-bl-as-thumb1-bad, thumb2-bl-bad.
* ld-arm/thumb2-bl-as-thumb1-bad.d: Reflects farcall stub
generation.
* ld-arm/thumb2-bl-bad.d: Likewise.
* ld-arm/thumb2-bl-as-thumb1-bad.s: Update comments.
* ld-arm/thumb2-bl-bad.s: Likewise.
2008-05-08 Alan Modra <amodra@bigpond.net.au>
* ld-spu/ear.s: Align various sections.

76
ld/testsuite/ld-arm/arm-elf.exp
View File

@ -1,5 +1,5 @@
# Expect script for various ARM ELF tests.
# Copyright 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
# Copyright 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
#
# This file is part of the GNU Binutils.
#
@ -177,15 +177,65 @@ set armelftests {
{"callweak" "-static -T arm.ld" "" {callweak.s}
{{objdump -dr callweak.d}}
"callweak"}
{"ARMv4 interworking" "-static -T arm.ld --fix-v4bx-interworking" "--fix-v4bx -meabi=4" {armv4-bx.s}
{{objdump -d armv4-bx.d}}
"armv4-bx"}
{"MOVW/MOVT and merged sections" "-T arm.ld" "" {movw-merge.s}
{{objdump -dw movw-merge.d}}
"movw-merge"}
{"MOVW/MOVT against shared libraries" "tmpdir/arm-lib.so" "" {arm-app-movw.s}
{{objdump -Rw arm-app.r}}
"arm-app-movw"}
{"ARMv4 interworking" "-static -T arm.ld --fix-v4bx-interworking" "--fix-v4bx -meabi=4" {armv4-bx.s}
{{objdump -d armv4-bx.d}}
"armv4-bx"}
{"MOVW/MOVT and merged sections" "-T arm.ld" "" {movw-merge.s}
{{objdump -dw movw-merge.d}}
"movw-merge"}
{"MOVW/MOVT against shared libraries" "tmpdir/arm-lib.so" "" {arm-app-movw.s}
{{objdump -Rw arm-app.r}}
"arm-app-movw"}
{"Thumb-2-as-Thumb-1 BL" "-Ttext 0x1000 --section-start .foo=0x40100c" "" {thumb2-bl-as-thumb1-bad.s}
{{objdump -d thumb2-bl-as-thumb1-bad.d}}
"thumb2-bl-as-thumb1-bad"}
{"Thumb-2 BL" "-Ttext 0x1000 --section-start .foo=0x100100c" "" {thumb2-bl-bad.s}
{{objdump -d thumb2-bl-bad.d}}
"thumb2-bl-bad"}
{"ARM-ARM farcall" "-Ttext 0x1000 --section-start .foo=0x2001020" "" {farcall-arm-arm.s}
{{objdump -d farcall-arm-arm.d}}
"farcall-arm-arm"}
{"ARM-ARM farcall (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001020 --pic-veneer" "" {farcall-arm-arm.s}
{{objdump -d farcall-arm-arm-pic-veneer.d}}
"farcall-arm-arm-pic-veneer"}
{"ARM-ARM farcall (BE8)" "-Ttext 0x1000 --section-start .foo=0x2001020 -EB --be8" "-EB" {farcall-arm-arm.s}
{{objdump -d farcall-arm-arm-be8.d}}
"farcall-arm-arm-be8"}
{"ARM-Thumb farcall" "-Ttext 0x1000 --section-start .foo=0x2001014" "" {farcall-arm-thumb.s}
{{objdump -d farcall-arm-thumb.d}}
"farcall-arm-thumb"}
{"ARM-Thumb farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-arm-thumb.s}
{{objdump -d farcall-arm-thumb-blx.d}}
"farcall-arm-thumb-blx"}
{"ARM-Thumb farcall (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "" {farcall-arm-thumb.s}
{{objdump -d farcall-arm-thumb-pic-veneer.d}}
"farcall-arm-thumb-pic-veneer"}
{"ARM-Thumb farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-arm-thumb.s}
{{objdump -d farcall-arm-thumb-blx-pic-veneer.d}}
"farcall-arm-thumb-blx-pic-veneer"}
{"Thumb-Thumb farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-thumb-thumb.s}
{{objdump -d farcall-thumb-thumb-blx.d}}
"farcall-thumb-thumb-blx"}
{"Thumb-Thumb farcall M profile" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv7m" {farcall-thumb-thumb.s}
{{objdump -d farcall-thumb-thumb-m.d}}
"farcall-thumb-thumb-m"}
{"Thumb-Thumb farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-thumb-thumb.s}
{{objdump -d farcall-thumb-thumb-blx-pic-veneer.d}}
"farcall-thumb-thumb-blx-pic-veneer"}
{"Thumb-ARM farcall" "-Ttext 0x1000 --section-start .foo=0x2001014" "" {farcall-thumb-arm.s}
{{objdump -d farcall-thumb-arm.d}}
"farcall-thumb-arm"}
{"Thumb-ARM farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-thumb-arm.s}
{{objdump -d farcall-thumb-arm-blx.d}}
"farcall-thumb-arm-blx"}
{"Thumb-ARM farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-thumb-arm.s}
{{objdump -d farcall-thumb-arm-blx-pic-veneer.d}}
"farcall-thumb-arm-blx-pic-veneer"}
}
run_ld_link_tests $armelftests
@ -193,9 +243,11 @@ run_dump_test "group-relocs-alu-bad"
run_dump_test "group-relocs-ldr-bad"
run_dump_test "group-relocs-ldrs-bad"
run_dump_test "group-relocs-ldc-bad"
run_dump_test "thumb2-bl-as-thumb1-bad"
run_dump_test "thumb2-bl-bad"
run_dump_test "emit-relocs1"
run_dump_test "farcall-thumb-thumb"
run_dump_test "farcall-thumb-thumb-pic-veneer"
run_dump_test "farcall-thumb-thumb-m-pic-veneer"
run_dump_test "farcall-thumb-arm-pic-veneer"
# Exclude non-ARM-EABI targets.

14
ld/testsuite/ld-arm/farcall-arm-arm-be8.d Normal file
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@ -0,0 +1,14 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: 04f01fe5 .*
1004: 02001020 .word 0x02001020
00001008 <_start>:
1008: fcffffeb .*
Disassembly of section .foo:
02001020 <bar>:
2001020: 1eff2fe1 .*

16
ld/testsuite/ld-arm/farcall-arm-arm-pic-veneer.d Normal file
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@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e08ff00c add pc, pc, ip
1008: 02000018 .word 0x02000018
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: ebfffffa bl 1000 <_start-0x10>
Disassembly of section .foo:
02001020 <bar>:
2001020: e12fff1e bx lr

14
ld/testsuite/ld-arm/farcall-arm-arm.d Normal file
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@ -0,0 +1,14 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 02001020 .word 0x02001020
00001008 <_start>:
1008: ebfffffc bl 1000 <_start-0x8>
Disassembly of section .foo:
02001020 <bar>:
2001020: e12fff1e bx lr

19
ld/testsuite/ld-arm/farcall-arm-arm.s Normal file
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@ -0,0 +1,19 @@
@ Test to ensure that a ARM to ARM call exceeding 32Mb generates a stub.
.global _start
.syntax unified
@ We will place the section .text at 0x1000.
.text
_start:
bl bar
@ We will place the section .foo at 0x2001020.
.section .foo, "xa"
bar:
bx lr

16
ld/testsuite/ld-arm/farcall-arm-thumb-blx-pic-veneer.d Normal file
View File

@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e08ff00c add pc, pc, ip
1008: 0200000d .word 0x0200000d
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: ebfffffa bl 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

14
ld/testsuite/ld-arm/farcall-arm-thumb-blx.d Normal file
View File

@ -0,0 +1,14 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 02001015 .word 0x02001015
00001008 <_start>:
1008: ebfffffc bl 1000 <_start-0x8>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

16
ld/testsuite/ld-arm/farcall-arm-thumb-pic-veneer.d Normal file
View File

@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e08ff00c add pc, pc, ip
1008: 0200000d .word 0x0200000d
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: ebfffffa bl 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

16
ld/testsuite/ld-arm/farcall-arm-thumb.d Normal file
View File

@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e12fff1c bx ip
1008: 02001015 .word 0x02001015
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: ebfffffa bl 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

20
ld/testsuite/ld-arm/farcall-arm-thumb.s Normal file
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@ -0,0 +1,20 @@
@ Test to ensure that a ARM to Thumb call exceeding 32Mb generates a stub.
.global _start
.global bar
.syntax unified
@ We will place the section .text at 0x1000.
.text
_start:
bl bar
@ We will place the section .foo at 0x2001010.
.section .foo, "xa"
.thumb_func
bar:
bx lr

16
ld/testsuite/ld-arm/farcall-thumb-arm-blx-pic-veneer.d Normal file
View File

@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e08ff00c add pc, pc, ip
1008: 0200000c .word 0x0200000c
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: f7ff eff6 blx 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

14
ld/testsuite/ld-arm/farcall-thumb-arm-blx.d Normal file
View File

@ -0,0 +1,14 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 02001014 .word 0x02001014
00001008 <_start>:
1008: f7ff effa blx 1000 <_start-0x8>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

5
ld/testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d Normal file
View File

@ -0,0 +1,5 @@
#name: Thumb-Thumb farcall without BLX
#source: farcall-thumb-thumb.s
#as: -march=armv4t
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'

19
ld/testsuite/ld-arm/farcall-thumb-arm.d Normal file
View File

@ -0,0 +1,19 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x18>:
1000: b540 push {r6, lr}
1002: 4e03 ldr r6, \[pc, #12\] \(1010 <_start-0x8>\)
1004: 46fe mov lr, pc
1006: 4730 bx r6
1008: e8bd4040 pop {r6, lr}
100c: e12fff1e bx lr
...
00001018 <_start>:
1018: f7ff eff2 blx 1000 <_start-0x18>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

19
ld/testsuite/ld-arm/farcall-thumb-arm.s Normal file
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@ -0,0 +1,19 @@
@ Test to ensure that a Thumb to ARM call exceeding 4Mb generates a stub.
.global _start
.syntax unified
@ We will place the section .text at 0x1000.
.text
.thumb_func
_start:
bl bar
@ We will place the section .foo at 0x2001014.
.section .foo, "xa"
bar:
bx lr

16
ld/testsuite/ld-arm/farcall-thumb-thumb-blx-pic-veneer.d Normal file
View File

@ -0,0 +1,16 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
1004: e08ff00c add pc, pc, ip
1008: 0200000d .word 0x0200000d
100c: 00000000 .word 0x00000000
00001010 <_start>:
1010: f7ff eff6 blx 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

14
ld/testsuite/ld-arm/farcall-thumb-thumb-blx.d Normal file
View File

@ -0,0 +1,14 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 02001015 .word 0x02001015
00001008 <_start>:
1008: f7ff effa blx 1000 <_start-0x8>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

5
ld/testsuite/ld-arm/farcall-thumb-thumb-m-pic-veneer.d Normal file
View File

@ -0,0 +1,5 @@
#name: Thumb-Thumb farcall without BLX
#source: farcall-thumb-thumb.s
#as: -march=armv4t
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'

19
ld/testsuite/ld-arm/farcall-thumb-thumb-m.d Normal file
View File

@ -0,0 +1,19 @@
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x10>:
1000: b540 push {r6, lr}
1002: 4e02 ldr r6, \[pc, #8\] \(100c <_start-0x4>\)
1004: 46fe mov lr, pc
1006: e7fe b.n 1006 <_start-0xa>
1008: bd40 pop {r6, pc}
100a: bf00 nop
100c: 02001015 .word 0x02001015
00001010 <_start>:
1010: f7ff eff6 blx 1000 <_start-0x10>
Disassembly of section .foo:
02001014 <bar>:
2001014: 4770 bx lr

5
ld/testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d Normal file
View File

@ -0,0 +1,5 @@
#name: Thumb-Thumb farcall without BLX
#source: farcall-thumb-thumb.s
#as: -march=armv4t
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'

5
ld/testsuite/ld-arm/farcall-thumb-thumb.d Normal file
View File

@ -0,0 +1,5 @@
#name: Thumb-Thumb farcall without BLX
#source: farcall-thumb-thumb.s
#as: -march=armv4t
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'

19
ld/testsuite/ld-arm/farcall-thumb-thumb.s Normal file
View File

@ -0,0 +1,19 @@
@ Test to ensure that a Thumb to Thumb call exceeding 4Mb generates a stub.
.global _start
.syntax unified
@ We will place the section .text at 0x1000.
.text
.thumb_func
_start:
bl bar
@ We will place the section .foo at 0x02001014.
.section .foo, "xa"
.thumb_func
bar:
bx lr

18
ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d
View File

@ -1,4 +1,14 @@
#name: Thumb-2-as-Thumb-1 BL failure test
#source: thumb2-bl-as-thumb1-bad.s
#ld: -Ttext 0x1000 --section-start .foo=0x401004
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 0040100d .word 0x0040100d
00001008 <_start>:
1008: f7ff effa blx 1000 <_start-0x8>
Disassembly of section .foo:
0040100c <bar>:
40100c: 4770 bx lr

4
ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.s
View File

@ -1,4 +1,4 @@
@ Test to ensure that a Thumb-1 BL with a Thumb-2-only offset fails.
@ Test to ensure that a Thumb-1 BL with a Thumb-2-only offset makes the linker generate a stub.
.arch armv5t
.global _start
@ -12,7 +12,7 @@
_start:
bl bar
@ We will place the section .foo at 0x401004.
@ We will place the section .foo at 0x40100c.
.section .foo, "xa"
.thumb_func

18
ld/testsuite/ld-arm/thumb2-bl-bad.d
View File

@ -1,4 +1,14 @@
#name: Thumb-2 BL failure test
#source: thumb2-bl-bad.s
#ld: -Ttext 0x1000 --section-start .foo=0x1001004
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
.*: file format .*
Disassembly of section .text:
00001000 <_start-0x8>:
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
1004: 0100100d .word 0x0100100d
00001008 <_start>:
1008: f7ff effa blx 1000 <_start-0x8>
Disassembly of section .foo:
0100100c <bar>:
100100c: 4770 bx lr

4
ld/testsuite/ld-arm/thumb2-bl-bad.s
View File

@ -1,4 +1,4 @@
@ Test to ensure that a Thumb-2 BL with an oversize offset fails.
@ Test to ensure that a Thumb-2 BL with an oversize offset makes the linker generate a stub.
.arch armv7
.global _start
@ -12,7 +12,7 @@
_start:
bl bar
@ We will place the section .foo at 0x1001004.
@ We will place the section .foo at 0x100100c.
.section .foo, "xa"
.thumb_func