[PING] [RFA] Fix gold's understanding of ARM v4T/v5T interworking
Matthew Gretton-Dann
matthew.gretton-dann@arm.com
Wed Nov 2 10:43:00 GMT 2011
Ping.
On 26/09/11 15:47, Matthew Gretton-Dann wrote:
> Hi,
>
> Whilst preparing a patch for gold to work around an issue on ARM1176
> CPUs (forthcoming) I noticed that gold doesn't correctly identify
> between v4T and v5T. In particular:
>
> * It assumes BLX is available on v4T - it is not, BLX is only
> available from v5T.
> * It therefore assumes that using the availability of BLX is a good
> test for whether --fix-v4bx-interworking is also available.
>
> The attached patch fixes these two issues by splitting the
> Target_arm::may_use_blx() function into two:
> * Target_arm::may_use_v4t_interworking()
> * Target_arm::may_use_v5t_interworking()
>
> The tests which previous checked may_use_blx() are then directed to use
> one of the appropriate may_use_v#t_interworking queries.
>
> I also ported some of the ld-arm/farcall* tests to gold in order to test
> these fixes.
>
> Tested on arm-none-eabi.
>
> Can someone please review?
>
> Thanks,
>
> Matt
>
> gold/ChangeLog:
>
> 2011-09-20 Matthew Gretton-Dann<matthew.gretton-dann@arm.com>
>
> * arm.cc (Target_arm::Target_arm): Remove initialisation of
> may_use_blx_
> (Target_arm::may_use_blx): Remove method.
> (Target_arm::set_may_use_blx): Likewise.
> (Target_arm::may_use_v4t_interworking): New method.
> (Target_arm::may_use_v5t_interworking): Likewise.
> (Target_arm::may_use_blx_): Remove member variable.
> (Arm_relocate_functions::arm_branch_common): Check for v5T
> interworking.
> (Arm_relocate_functions::thumb_branch_common): Likewise.
> (Reloc_stub::stub_type_for_reloc): Likewise.
> (Target_arm::do_finalize_sections): Correct interworking checks.
> * testsuite/Makefile.am: Add new tests.
> * testsuite/Makefile.in: Regenerate.
> * testsuite/arm_farcall_arm_arm.s: New test.
> * testsuite/arm_farcall_arm_arm.sh: Likewise.
> * testsuite/arm_farcall_arm_thumb.s: Likewise.
> * testsuite/arm_farcall_arm_thumb.sh: Likewise.
> * testsuite/arm_farcall_thumb_arm.s: Likewise.
> * testsuite/arm_farcall_thumb_arm.sh: Likewise.
> * testsuite/arm_farcall_thumb_thumb.s: Likewise.
> * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
>
>
>
> 1109-Add-may_use_v-45-t_interworking-functions.patch
>
>
> diff --git a/gold/arm.cc b/gold/arm.cc
> index f652677..c0a2049 100644
> --- a/gold/arm.cc
> +++ b/gold/arm.cc
> @@ -2177,21 +2177,11 @@ class Target_arm : public Sized_target<32, big_endian>
> copy_relocs_(elfcpp::R_ARM_COPY), dynbss_(NULL),
> got_mod_index_offset_(-1U), tls_base_symbol_defined_(false),
> stub_tables_(), stub_factory_(Stub_factory::get_instance()),
> - may_use_blx_(false), should_force_pic_veneer_(false),
> + should_force_pic_veneer_(false),
> arm_input_section_map_(), attributes_section_data_(NULL),
> fix_cortex_a8_(false), cortex_a8_relocs_info_()
> { }
>
> - // Whether we can use BLX.
> - bool
> - may_use_blx() const
> - { return this->may_use_blx_; }
> -
> - // Set use-BLX flag.
> - void
> - set_may_use_blx(bool value)
> - { this->may_use_blx_ = value; }
> -
> // Whether we force PCI branch veneers.
> bool
> should_force_pic_veneer() const
> @@ -2253,6 +2243,29 @@ class Target_arm : public Sized_target<32, big_endian>
> || arch == elfcpp::TAG_CPU_ARCH_V7
> || arch == elfcpp::TAG_CPU_ARCH_V7E_M);
> }
> +
> + // Whether we have v4T interworking instructions available.
> + bool
> + may_use_v4t_interworking() const
> + {
> + Object_attribute* attr =
> + this->get_aeabi_object_attribute(elfcpp::Tag_CPU_arch);
> + int arch = attr->int_value();
> + return (arch != elfcpp::TAG_CPU_ARCH_PRE_V4
> + && arch != elfcpp::TAG_CPU_ARCH_V4);
> + }
> +
> + // Whether we have v5T interworking instructions available.
> + bool
> + may_use_v5t_interworking() const
> + {
> + Object_attribute* attr =
> + this->get_aeabi_object_attribute(elfcpp::Tag_CPU_arch);
> + int arch = attr->int_value();
> + return (arch != elfcpp::TAG_CPU_ARCH_PRE_V4
> + && arch != elfcpp::TAG_CPU_ARCH_V4
> + && arch != elfcpp::TAG_CPU_ARCH_V4T);
> + }
>
> // Process the relocations to determine unreferenced sections for
> // garbage collection.
> @@ -2922,8 +2935,6 @@ class Target_arm : public Sized_target<32, big_endian>
> Stub_table_list stub_tables_;
> // Stub factory.
> const Stub_factory&stub_factory_;
> - // Whether we can use BLX.
> - bool may_use_blx_;
> // Whether we force PIC branch veneers.
> bool should_force_pic_veneer_;
> // Map for locating Arm_input_sections.
> @@ -3950,7 +3961,7 @@ Arm_relocate_functions<big_endian>::arm_branch_common(
>
> // We need a stub if the branch offset is too large or if we need
> // to switch mode.
> - bool may_use_blx = arm_target->may_use_blx();
> + bool may_use_blx = arm_target->may_use_v5t_interworking();
> Reloc_stub* stub = NULL;
>
> if (!parameters->options().relocatable()
> @@ -4081,7 +4092,7 @@ Arm_relocate_functions<big_endian>::thumb_branch_common(
> Arm_address branch_target = psymval->value(object, addend);
>
> // For BLX, bit 1 of target address comes from bit 1 of base address.
> - bool may_use_blx = arm_target->may_use_blx();
> + bool may_use_blx = arm_target->may_use_v5t_interworking();
> if (thumb_bit == 0&& may_use_blx)
> branch_target = utils::bit_select(branch_target, address, 0x2);
>
> @@ -4464,7 +4475,7 @@ Reloc_stub::stub_type_for_reloc(
> {
> const Target_arm<true>* big_endian_target =
> Target_arm<true>::default_target();
> - may_use_blx = big_endian_target->may_use_blx();
> + may_use_blx = big_endian_target->may_use_v5t_interworking();
> should_force_pic_veneer = big_endian_target->should_force_pic_veneer();
> thumb2 = big_endian_target->using_thumb2();
> thumb_only = big_endian_target->using_thumb_only();
> @@ -4473,7 +4484,7 @@ Reloc_stub::stub_type_for_reloc(
> {
> const Target_arm<false>* little_endian_target =
> Target_arm<false>::default_target();
> - may_use_blx = little_endian_target->may_use_blx();
> + may_use_blx = little_endian_target->may_use_v5t_interworking();
> should_force_pic_veneer = little_endian_target->should_force_pic_veneer();
> thumb2 = little_endian_target->using_thumb2();
> thumb_only = little_endian_target->using_thumb_only();
> @@ -8604,12 +8615,8 @@ Target_arm<big_endian>::do_finalize_sections(
> if (this->attributes_section_data_ == NULL)
> this->attributes_section_data_ = new Attributes_section_data(NULL, 0);
>
> - // Check BLX use.
> const Object_attribute* cpu_arch_attr =
> this->get_aeabi_object_attribute(elfcpp::Tag_CPU_arch);
> - if (cpu_arch_attr->int_value()> elfcpp::TAG_CPU_ARCH_V4)
> - this->set_may_use_blx(true);
> -
> // Check if we need to use Cortex-A8 workaround.
> if (parameters->options().user_set_fix_cortex_a8())
> this->fix_cortex_a8_ = parameters->options().fix_cortex_a8();
> @@ -8630,7 +8637,7 @@ Target_arm<big_endian>::do_finalize_sections(
> // The V4BX interworking stub contains BX instruction,
> // which is not specified for some profiles.
> if (this->fix_v4bx() == General_options::FIX_V4BX_INTERWORKING
> -&& !this->may_use_blx())
> +&& !this->may_use_v4t_interworking())
> gold_error(_("unable to provide V4BX reloc interworking fix up; "
> "the target profile does not support BX instruction"));
>
> @@ -11797,7 +11804,7 @@ Target_arm<big_endian>::scan_span_for_cortex_a8_erratum(
> // an ARM instruction. If we were not making a stub,
> // the BL would have been converted to a BLX. Use the
> // BLX stub instead in that case.
> - if (this->may_use_blx()&& force_target_arm
> + if (this->may_use_v5t_interworking()&& force_target_arm
> && stub_type == arm_stub_a8_veneer_bl)
> {
> stub_type = arm_stub_a8_veneer_blx;
> diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
> index ca07f87..75cd272 100644
> --- a/gold/testsuite/Makefile.am
> +++ b/gold/testsuite/Makefile.am
> @@ -2436,6 +2436,120 @@ arm_unaligned_reloc.o: arm_unaligned_reloc.s
>
> MOSTLYCLEANFILES += arm_unaligned_reloc
>
> +# Check ARM to ARM farcall veneers
> +
> +check_SCRIPTS += arm_farcall_arm_arm.sh
> +check_DATA += arm_farcall_arm_arm.stdout
> +
> +arm_farcall_arm_arm.stdout: arm_farcall_arm_arm
> + $(TEST_OBJDUMP) -d $< > $@
> +
> +arm_farcall_arm_arm: arm_farcall_arm_arm.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001020 -o $@ $<
> +
> +arm_farcall_arm_arm.o: arm_farcall_arm_arm.s
> + $(TEST_AS) -o $@ $<
> +
> +MOSTLYCLEANFILES += arm_farcall_arm_arm
> +
> +# Check ARM to Thumb farcall veneers
> +
> +check_SCRIPTS += arm_farcall_arm_thumb.sh
> +check_DATA += arm_farcall_arm_thumb.stdout arm_farcall_arm_thumb_5t.stdout
> +
> +arm_farcall_arm_thumb.stdout: arm_farcall_arm_thumb
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_arm_thumb: arm_farcall_arm_thumb.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_arm_thumb.o: arm_farcall_arm_thumb.s
> + $(TEST_AS) -o $@ $<
> +
> +arm_farcall_arm_thumb_5t.stdout: arm_farcall_arm_thumb_5t
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_arm_thumb_5t: arm_farcall_arm_thumb_5t.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_arm_thumb_5t.o: arm_farcall_arm_thumb.s
> + $(TEST_AS) -march=armv5t -o $@ $<
> +
> +MOSTLYCLEANFILES += arm_farcall_arm_thumb arm_farcall_arm_thumb_5t
> +
> +# Check Thumb to Thumb farcall veneers
> +
> +check_SCRIPTS += arm_farcall_thumb_thumb.sh
> +check_DATA += arm_farcall_thumb_thumb.stdout \
> + arm_farcall_thumb_thumb_5t.stdout \
> + arm_farcall_thumb_thumb_7m.stdout \
> + arm_farcall_thumb_thumb_6m.stdout
> +
> +arm_farcall_thumb_thumb.stdout: arm_farcall_thumb_thumb
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_thumb: arm_farcall_thumb_thumb.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_thumb.o: arm_farcall_thumb_thumb.s
> + $(TEST_AS) -march=armv4t -o $@ $<
> +
> +arm_farcall_thumb_thumb_5t.stdout: arm_farcall_thumb_thumb_5t
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_thumb_5t: arm_farcall_thumb_thumb_5t.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_thumb_5t.o: arm_farcall_thumb_thumb.s
> + $(TEST_AS) -march=armv5t -o $@ $<
> +
> +arm_farcall_thumb_thumb_7m.stdout: arm_farcall_thumb_thumb_7m
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_thumb_7m: arm_farcall_thumb_thumb_7m.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_thumb_7m.o: arm_farcall_thumb_thumb.s
> + $(TEST_AS) -march=armv7-m -o $@ $<
> +
> +arm_farcall_thumb_thumb_6m.stdout: arm_farcall_thumb_thumb_6m
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_thumb_6m: arm_farcall_thumb_thumb_6m.o ../ld-new
> + ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_thumb_6m.o: arm_farcall_thumb_thumb.s
> + $(TEST_AS) -march=armv6-m -o $@ $<
> +
> +MOSTLYCLEANFILES += arm_farcall_thumb_thumb arm_farcall_thumb_thumb_5t \
> + arm_farcall_thumb_thumb_7m arm_farcall_thumb_thumb_6m
> +
> +# Check Thumb to ARM farcall veneers
> +
> +check_SCRIPTS += arm_farcall_thumb_arm.sh
> +check_DATA += arm_farcall_thumb_arm.stdout \
> + arm_farcall_thumb_arm_5t.stdout
> +
> +arm_farcall_thumb_arm.stdout: arm_farcall_thumb_arm
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_arm: arm_farcall_thumb_arm.o ../ld-new
> + ../ld-new --section-start .text=0x1c01010 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_arm.o: arm_farcall_thumb_arm.s
> + $(TEST_AS) -o $@ $<
> +
> +arm_farcall_thumb_arm_5t.stdout: arm_farcall_thumb_arm_5t
> + $(TEST_OBJDUMP) -D $< > $@
> +
> +arm_farcall_thumb_arm_5t: arm_farcall_thumb_arm_5t.o ../ld-new
> + ../ld-new --section-start .text=0x1c01010 --section-start .foo=0x2001014 -o $@ $<
> +
> +arm_farcall_thumb_arm_5t.o: arm_farcall_thumb_arm.s
> + $(TEST_AS) -march=armv5t -o $@ $<
> +
> +MOSTLYCLEANFILES += arm_farcall_thumb_arm arm_farcall_thumb_arm_5t
> +
> endif DEFAULT_TARGET_ARM
>
> endif NATIVE_OR_CROSS_LINKER
> diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
> index f0339fd..0226275 100644
> --- a/gold/testsuite/Makefile.in
> +++ b/gold/testsuite/Makefile.in
> @@ -503,6 +503,14 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
>
>
> # Cortex-A8 workaround test.
> +
> +# Check ARM to ARM farcall veneers
> +
> +# Check ARM to Thumb farcall veneers
> +
> +# Check Thumb to Thumb farcall veneers
> +
> +# Check Thumb to ARM farcall veneers
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_64 = arm_abs_global.sh \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_branch_in_range.sh \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_branch_out_of_range.sh \
> @@ -511,7 +519,11 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8.sh \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_exidx_test.sh \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr12826.sh \
> -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc.sh
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc.sh \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_arm.sh \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_thumb.sh \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb.sh \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm.sh
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_65 = arm_abs_global.stdout \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range.stdout \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range.stdout \
> @@ -540,7 +552,16 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc.stdout \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_exidx_test.stdout \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr12826.stdout \
> -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc.stdout
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_arm.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_thumb.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_thumb_5t.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_5t.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_7m.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_6m.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm.stdout \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm_5t.stdout
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_66 = arm_abs_global \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_in_range \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_bl_out_of_range \
> @@ -567,7 +588,16 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_blx \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local \
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_cortex_a8_local_reloc \
> -@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_unaligned_reloc \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_arm \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_thumb \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_arm_thumb_5t \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_5t \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_7m \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_thumb_6m \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm \
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_farcall_thumb_arm_5t
> subdir = testsuite
> DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am
> ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
> @@ -3644,6 +3674,14 @@ pr12826.sh.log: pr12826.sh
> @p='pr12826.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> arm_unaligned_reloc.sh.log: arm_unaligned_reloc.sh
> @p='arm_unaligned_reloc.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> +arm_farcall_arm_arm.sh.log: arm_farcall_arm_arm.sh
> + @p='arm_farcall_arm_arm.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> +arm_farcall_arm_thumb.sh.log: arm_farcall_arm_thumb.sh
> + @p='arm_farcall_arm_thumb.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> +arm_farcall_thumb_thumb.sh.log: arm_farcall_thumb_thumb.sh
> + @p='arm_farcall_thumb_thumb.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> +arm_farcall_thumb_arm.sh.log: arm_farcall_thumb_arm.sh
> + @p='arm_farcall_thumb_arm.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> object_unittest.log: object_unittest$(EXEEXT)
> @p='object_unittest$(EXEEXT)'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
> binary_unittest.log: binary_unittest$(EXEEXT)
> @@ -5305,6 +5343,87 @@ uninstall-am:
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_unaligned_reloc.o: arm_unaligned_reloc.s
> @DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
>
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_arm.stdout: arm_farcall_arm_arm
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_arm: arm_farcall_arm_arm.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001020 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_arm.o: arm_farcall_arm_arm.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb.stdout: arm_farcall_arm_thumb
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb: arm_farcall_arm_thumb.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb.o: arm_farcall_arm_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb_5t.stdout: arm_farcall_arm_thumb_5t
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb_5t: arm_farcall_arm_thumb_5t.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_arm_thumb_5t.o: arm_farcall_arm_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv5t -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb.stdout: arm_farcall_thumb_thumb
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb: arm_farcall_thumb_thumb.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb.o: arm_farcall_thumb_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv4t -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_5t.stdout: arm_farcall_thumb_thumb_5t
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_5t: arm_farcall_thumb_thumb_5t.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_5t.o: arm_farcall_thumb_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv5t -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_7m.stdout: arm_farcall_thumb_thumb_7m
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_7m: arm_farcall_thumb_thumb_7m.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_7m.o: arm_farcall_thumb_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv7-m -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_6m.stdout: arm_farcall_thumb_thumb_6m
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_6m: arm_farcall_thumb_thumb_6m.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1000 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_thumb_6m.o: arm_farcall_thumb_thumb.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv6-m -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm.stdout: arm_farcall_thumb_arm
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm: arm_farcall_thumb_arm.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1c01010 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm.o: arm_farcall_thumb_arm.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm_5t.stdout: arm_farcall_thumb_arm_5t
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -D $< > $@
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm_5t: arm_farcall_thumb_arm_5t.o ../ld-new
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new --section-start .text=0x1c01010 --section-start .foo=0x2001014 -o $@ $<
> +
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@arm_farcall_thumb_arm_5t.o: arm_farcall_thumb_arm.s
> +@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -march=armv5t -o $@ $<
> +
> # Tell versions [3.59,3.63) of GNU make to not export all variables.
> # Otherwise a system limit (for SysV at least) may be exceeded.
> .NOEXPORT:
> diff --git a/gold/testsuite/arm_farcall_arm_arm.s b/gold/testsuite/arm_farcall_arm_arm.s
> new file mode 100644
> index 0000000..00c1e48
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_arm_arm.s
> @@ -0,0 +1,20 @@
> +@ 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"
> +
> + .type bar, %function
> +bar:
> + bx lr
> +
> diff --git a/gold/testsuite/arm_farcall_arm_arm.sh b/gold/testsuite/arm_farcall_arm_arm.sh
> new file mode 100755
> index 0000000..7d95528
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_arm_arm.sh
> @@ -0,0 +1,44 @@
> +#!/bin/sh
> +
> +# arm_farcall_arm_arm.sh -- a test case for ARM->ARM farcall veneers
> +
> +# Copyright 2010, 2011, Free Software Foundation, Inc.
> +# Written by Matthew Gretton-Dann<matthew.gretton-dann@arm.com>
> +# Based upon arm_cortex_a8.sh
> +# Written by Doug Kwan<dougkwan@google.com>.
> +
> +# This file is part of gold.
> +
> +# 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 3 of the License, or
> +# (at your option) any later version.
> +
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
> +# MA 02110-1301, USA.
> +
> +check()
> +{
> + if ! grep -q "$2" "$1"
> + then
> + echo "Did not find expected instruction in $1:"
> + echo " $2"
> + echo ""
> + echo "Actual instructions below:"
> + cat "$1"
> + exit 1
> + fi
> +}
> +
> +# Check for ARM->ARM default
> +check arm_farcall_arm_arm.stdout "1004: .* ldr pc, \[pc, #-4\] .*"
> +check arm_farcall_arm_arm.stdout "1008: 02001020"
> +
> +exit 0
> diff --git a/gold/testsuite/arm_farcall_arm_thumb.s b/gold/testsuite/arm_farcall_arm_thumb.s
> new file mode 100644
> index 0000000..c69f31c
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_arm_thumb.s
> @@ -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
> +
> diff --git a/gold/testsuite/arm_farcall_arm_thumb.sh b/gold/testsuite/arm_farcall_arm_thumb.sh
> new file mode 100755
> index 0000000..2df2d65
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_arm_thumb.sh
> @@ -0,0 +1,50 @@
> +#!/bin/sh
> +
> +# arm_farcall_arm_thumb.sh -- a test case for ARM->Thumb farcall veneers.
> +
> +# Copyright 2010, 2011, Free Software Foundation, Inc.
> +# Written by Matthew Gretton-Dann<matthew.gretton-dann@arm.com>
> +# Based upon arm_cortex_a8.sh
> +# Written by Doug Kwan<dougkwan@google.com>.
> +
> +# This file is part of gold.
> +
> +# 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 3 of the License, or
> +# (at your option) any later version.
> +
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
> +# MA 02110-1301, USA.
> +
> +check()
> +{
> + if ! grep -q "$2" "$1"
> + then
> + echo "Did not find expected instruction in $1:"
> + echo " $2"
> + echo ""
> + echo "Actual instructions below:"
> + cat "$1"
> + exit 1
> + fi
> +}
> +
> +# Check for ARM->Thumb default
> +check arm_farcall_arm_thumb.stdout "1004: .* ldr ip, \[pc\]"
> +check arm_farcall_arm_thumb.stdout "1008: .* bx ip"
> +check arm_farcall_arm_thumb.stdout "100c: 02001015"
> +
> +# Check for ARM->Thumb with v5t interworking
> +chck arm_farcall_arm_thumb_5t.stdout "1004: f004 e51f"
> +chck arm_farcall_arm_thumb_5t.stdout "1008: 1015"
> +chck arm_farcall_arm_thumb_5t.stdout "100a: 0200"
> +
> +exit 0
> diff --git a/gold/testsuite/arm_farcall_thumb_arm.s b/gold/testsuite/arm_farcall_thumb_arm.s
> new file mode 100644
> index 0000000..1fd6a07
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_thumb_arm.s
> @@ -0,0 +1,27 @@
> +@ Test to ensure that a Thumb to ARM call exceeding 4Mb generates a stub.
> +@ Check that we can generate two types of stub in the same section.
> +
> + .global _start
> + .syntax unified
> +
> +@ We will place the section .text at 0x1c01010.
> +
> + .text
> + .thumb_func
> +_start:
> + .global bar
> + bl bar
> +@ This call is close enough to generate a "short branch" stub
> +@ or no stub if blx is available.
> + .space 0x0300000
> + bl bar
> +
> +@ We will place the section .foo at 0x2001014.
> +
> + .section .foo, "xa"
> +
> + .arm
> + .type bar, %function
> +bar:
> + bx lr
> +
> diff --git a/gold/testsuite/arm_farcall_thumb_arm.sh b/gold/testsuite/arm_farcall_thumb_arm.sh
> new file mode 100755
> index 0000000..e22da46
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_thumb_arm.sh
> @@ -0,0 +1,56 @@
> +#!/bin/sh
> +
> +# arm_farcall_thumb_arm.sh -- a test case for Thumb->ARM farcall veneers.
> +
> +# Copyright 2010, 2011, Free Software Foundation, Inc.
> +# Written by Matthew Gretton-Dann<matthew.gretton-dann@arm.com>
> +# Based upon arm_cortex_a8.sh
> +# Written by Doug Kwan<dougkwan@google.com>.
> +
> +# This file is part of gold.
> +
> +# 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 3 of the License, or
> +# (at your option) any later version.
> +
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
> +# MA 02110-1301, USA.
> +
> +check()
> +{
> + if ! grep -q "$2" "$1"
> + then
> + echo "Did not find expected instruction in $1:"
> + echo " $2"
> + echo ""
> + echo "Actual instructions below:"
> + cat "$1"
> + exit 1
> + fi
> +}
> +
> +# Thumb->ARM
> +check arm_farcall_thumb_arm.stdout "1f01018: .* bx pc"
> +check arm_farcall_thumb_arm.stdout "1f0101a: .* nop"
> +check arm_farcall_thumb_arm.stdout "1f0101c: f004 e51f"
> +check arm_farcall_thumb_arm.stdout "1f01020: 1014"
> +check arm_farcall_thumb_arm.stdout "1f01022: 0200"
> +
> +check arm_farcall_thumb_arm.stdout "1f01024: .* bx pc"
> +check arm_farcall_thumb_arm.stdout "1f01026: .* nop"
> +check arm_farcall_thumb_arm.stdout "1f01028: fff9 ea03"
> +
> +# Thumb->ARM with v5T interworking
> +check arm_farcall_thumb_arm_5t.stdout "1f01018: f004 e51f"
> +check arm_farcall_thumb_arm_5t.stdout "1f0101c: 1014"
> +check arm_farcall_thumb_arm_5t.stdout "1f0101e: 0200"
> +
> +exit 0
> diff --git a/gold/testsuite/arm_farcall_thumb_thumb.s b/gold/testsuite/arm_farcall_thumb_thumb.s
> new file mode 100644
> index 0000000..650b1a6
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_thumb_thumb.s
> @@ -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
> +
> diff --git a/gold/testsuite/arm_farcall_thumb_thumb.sh b/gold/testsuite/arm_farcall_thumb_thumb.sh
> new file mode 100755
> index 0000000..23fb0cd
> --- /dev/null
> +++ b/gold/testsuite/arm_farcall_thumb_thumb.sh
> @@ -0,0 +1,74 @@
> +#!/bin/sh
> +
> +# arm_farcall_thumb_thumb.sh -- a test case for Thumb->Thumb farcall veneers.
> +
> +# Copyright 2010, 2011, Free Software Foundation, Inc.
> +# Written by Matthew Gretton-Dann<matthew.gretton-dann@arm.com>
> +# Based upon arm_cortex_a8.sh
> +# Written by Doug Kwan<dougkwan@google.com>.
> +
> +# This file is part of gold.
> +
> +# 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 3 of the License, or
> +# (at your option) any later version.
> +
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
> +# MA 02110-1301, USA.
> +
> +check()
> +{
> + if ! grep -q "$2" "$1"
> + then
> + echo "Did not find expected instruction in $1:"
> + echo " $2"
> + echo ""
> + echo "Actual instructions below:"
> + cat "$1"
> + exit 1
> + fi
> +}
> +
> +# Thumb->Thumb default
> +check arm_farcall_thumb_thumb.stdout "1004: .* bx pc"
> +check arm_farcall_thumb_thumb.stdout "1006: .* nop"
> +check arm_farcall_thumb_thumb.stdout "1008: c000"
> +check arm_farcall_thumb_thumb.stdout "100a: e59f"
> +check arm_farcall_thumb_thumb.stdout "100c: ff1c e12f"
> +check arm_farcall_thumb_thumb.stdout "1010: 1015"
> +check arm_farcall_thumb_thumb.stdout "1012: 0200"
> +
> +# Thumb->Thumb with v5T interworking
> +check arm_farcall_thumb_thumb_5t.stdout "1004: f004 e51f"
> +check arm_farcall_thumb_thumb_5t.stdout "1008: 1015"
> +check arm_farcall_thumb_thumb_5t.stdout "100a: 0200"
> +
> +# Thumb->Thumb on v6-M
> +check arm_farcall_thumb_thumb_6m.stdout "1004: .* push {r0}"
> +check arm_farcall_thumb_thumb_6m.stdout "1006: .* ldr r0, \\[pc, #8\\]"
> +check arm_farcall_thumb_thumb_6m.stdout "1008: .* mov ip, r0"
> +check arm_farcall_thumb_thumb_6m.stdout "100a: .* pop {r0}"
> +check arm_farcall_thumb_thumb_6m.stdout "100c: .* bx ip"
> +check arm_farcall_thumb_thumb_6m.stdout "100e: .* nop"
> +check arm_farcall_thumb_thumb_6m.stdout "1010: 1015"
> +check arm_farcall_thumb_thumb_6m.stdout "1012: 0200"
> +
> +# Thumb->Thumb on v7-M
> +check arm_farcall_thumb_thumb_6m.stdout "1004: .* push {r0}"
> +check arm_farcall_thumb_thumb_6m.stdout "1006: .* ldr r0, \\[pc, #8\\]"
> +check arm_farcall_thumb_thumb_6m.stdout "1008: .* mov ip, r0"
> +check arm_farcall_thumb_thumb_6m.stdout "100a: .* pop {r0}"
> +check arm_farcall_thumb_thumb_6m.stdout "100c: .* bx ip"
> +check arm_farcall_thumb_thumb_6m.stdout "100e: .* nop"
> +check arm_farcall_thumb_thumb_6m.stdout "1010: 1015"
> +check arm_farcall_thumb_thumb_6m.stdout "1012: 0200"
> +
> +exit 0
--
Matthew Gretton-Dann
Principal Engineer, PD Software - Tools, ARM Ltd
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