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author | Nick Clifton <nickc@redhat.com> | 2008-05-15 17:00:15 +0000 |
---|---|---|
committer | Nick Clifton <nickc@redhat.com> | 2008-05-15 17:00:15 +0000 |
commit | 906e58cab5ef4c02cbd341d913a3a07e4cba27df (patch) | |
tree | f8e8dc93ff35f8510b59bf9f217dab8002c537fa /ld/testsuite | |
parent | 83b94be54133a44825c4c33975d8fb72e286ed16 (diff) | |
download | gdb-906e58cab5ef4c02cbd341d913a3a07e4cba27df.zip gdb-906e58cab5ef4c02cbd341d913a3a07e4cba27df.tar.gz gdb-906e58cab5ef4c02cbd341d913a3a07e4cba27df.tar.bz2 |
bfd/
* 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.
Diffstat (limited to 'ld/testsuite')
27 files changed, 415 insertions, 24 deletions
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 5383fbd..ee4105b 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -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. diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp index 7447b7c..0dd64bc 100644 --- a/ld/testsuite/ld-arm/arm-elf.exp +++ b/ld/testsuite/ld-arm/arm-elf.exp @@ -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. diff --git a/ld/testsuite/ld-arm/farcall-arm-arm-be8.d b/ld/testsuite/ld-arm/farcall-arm-arm-be8.d new file mode 100644 index 0000000..b409517 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-arm-be8.d @@ -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 .* diff --git a/ld/testsuite/ld-arm/farcall-arm-arm-pic-veneer.d b/ld/testsuite/ld-arm/farcall-arm-arm-pic-veneer.d new file mode 100644 index 0000000..1d0af22 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-arm-pic-veneer.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-arm.d b/ld/testsuite/ld-arm/farcall-arm-arm.d new file mode 100644 index 0000000..3ccb2c4 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-arm.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-arm.s b/ld/testsuite/ld-arm/farcall-arm-arm.s new file mode 100644 index 0000000..bc77ad3 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-arm.s @@ -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 + diff --git a/ld/testsuite/ld-arm/farcall-arm-thumb-blx-pic-veneer.d b/ld/testsuite/ld-arm/farcall-arm-thumb-blx-pic-veneer.d new file mode 100644 index 0000000..3ede5de --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-thumb-blx-pic-veneer.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-thumb-blx.d b/ld/testsuite/ld-arm/farcall-arm-thumb-blx.d new file mode 100644 index 0000000..86aaf39 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-thumb-blx.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-thumb-pic-veneer.d b/ld/testsuite/ld-arm/farcall-arm-thumb-pic-veneer.d new file mode 100644 index 0000000..3ede5de --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-thumb-pic-veneer.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-thumb.d b/ld/testsuite/ld-arm/farcall-arm-thumb.d new file mode 100644 index 0000000..c664eff --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-arm-thumb.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-arm-thumb.s b/ld/testsuite/ld-arm/farcall-arm-thumb.s new file mode 100644 index 0000000..c69f31c --- /dev/null +++ b/ld/testsuite/ld-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/ld/testsuite/ld-arm/farcall-thumb-arm-blx-pic-veneer.d b/ld/testsuite/ld-arm/farcall-thumb-arm-blx-pic-veneer.d new file mode 100644 index 0000000..3e0cb39 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-arm-blx-pic-veneer.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-arm-blx.d b/ld/testsuite/ld-arm/farcall-thumb-arm-blx.d new file mode 100644 index 0000000..c4bdd3b --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-arm-blx.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d b/ld/testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d new file mode 100644 index 0000000..932f28a --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d @@ -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' diff --git a/ld/testsuite/ld-arm/farcall-thumb-arm.d b/ld/testsuite/ld-arm/farcall-thumb-arm.d new file mode 100644 index 0000000..90495b8 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-arm.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-arm.s b/ld/testsuite/ld-arm/farcall-thumb-arm.s new file mode 100644 index 0000000..82cfb95 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-arm.s @@ -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 + diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-blx-pic-veneer.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-blx-pic-veneer.d new file mode 100644 index 0000000..cadb620 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-blx-pic-veneer.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-blx.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-blx.d new file mode 100644 index 0000000..11280c9 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-blx.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-m-pic-veneer.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-pic-veneer.d new file mode 100644 index 0000000..932f28a --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-m-pic-veneer.d @@ -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' diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-m.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-m.d new file mode 100644 index 0000000..691d4e0 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-m.d @@ -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 diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d b/ld/testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d new file mode 100644 index 0000000..932f28a --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d @@ -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' diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb.d b/ld/testsuite/ld-arm/farcall-thumb-thumb.d new file mode 100644 index 0000000..932f28a --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb-thumb.d @@ -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' diff --git a/ld/testsuite/ld-arm/farcall-thumb-thumb.s b/ld/testsuite/ld-arm/farcall-thumb-thumb.s new file mode 100644 index 0000000..650b1a6 --- /dev/null +++ b/ld/testsuite/ld-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/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d b/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d index 749b58f..1dfca21 100644 --- a/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d +++ b/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.d @@ -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 diff --git a/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.s b/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.s index dae5d43..13f7f33 100644 --- a/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.s +++ b/ld/testsuite/ld-arm/thumb2-bl-as-thumb1-bad.s @@ -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 diff --git a/ld/testsuite/ld-arm/thumb2-bl-bad.d b/ld/testsuite/ld-arm/thumb2-bl-bad.d index 0fc6e04..ea38797 100644 --- a/ld/testsuite/ld-arm/thumb2-bl-bad.d +++ b/ld/testsuite/ld-arm/thumb2-bl-bad.d @@ -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 diff --git a/ld/testsuite/ld-arm/thumb2-bl-bad.s b/ld/testsuite/ld-arm/thumb2-bl-bad.s index 63e3fe7..7685860 100644 --- a/ld/testsuite/ld-arm/thumb2-bl-bad.s +++ b/ld/testsuite/ld-arm/thumb2-bl-bad.s @@ -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 |