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| author | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2016-06-17 18:26:08 +0100 |
|---|---|---|
| committer | Thomas Preud'homme <thomas.preudhomme@arm.com> | 2016-06-17 18:28:08 +0100 |
| commit | 80c135e55489435f47bbeeb3715b42289c51e30e (patch) | |
| tree | 7f3062bede1cd44d29cd9b932faa159b8e4b636f /ld | |
| parent | 21a770913c24ab085fe66a5274ebe7cf9e031982 (diff) | |
| download | fsf-binutils-gdb-80c135e55489435f47bbeeb3715b42289c51e30e.zip fsf-binutils-gdb-80c135e55489435f47bbeeb3715b42289c51e30e.tar.gz fsf-binutils-gdb-80c135e55489435f47bbeeb3715b42289c51e30e.tar.bz2 | |
Add support for Thumb-2 long branch veneers
2016-06-17 Thomas Preud'homme <thomas.preudhomme@arm.com>
Tony Wang <tony.wang@arm.com>
bfd/
* elf32-arm.c (elf32_arm_stub_long_branch_thumb2_only): Define stub
sequence.
(stub_long_branch_thumb2_only): Define stub.
(arm_stub_is_thumb): Add case for arm_stub_long_branch_thumb2_only.
(arm_stub_long_branch_thumb2_only): Likewise.
(arm_type_of_stub): Use arm_stub_long_branch_thumb2_only for Thumb-2
capable targets.
ld/
* testsuite/ld-arm/arm-elf.exp (Thumb-Thumb farcall M profile):
Assemble for ARMv6-M.
(Thumb2-Thumb2 farcall M profile): New testcase.
* testsuite/ld-arm/farcall-thumb2-thumb2-m.d: New file.
* testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d: Update to
reflect the use of Thumb-2 veneers for Thumb-2 capable targets.
* testsuite/ld-arm/jump-reloc-veneers-cond-long.d: Likewise.
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 11 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/arm-elf.exp | 5 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/farcall-thumb2-thumb2-m.d | 17 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d | 7 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/jump-reloc-veneers-cond-long.d | 7 |
5 files changed, 34 insertions, 13 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 361eef3..cd5f4e3 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,14 @@ +2016-06-17 Thomas Preud'homme <thomas.preudhomme@arm.com> + Tony Wang <tony.wang@arm.com> + + * testsuite/ld-arm/arm-elf.exp (Thumb-Thumb farcall M profile): + Assemble for ARMv6-M. + (Thumb2-Thumb2 farcall M profile): New testcase. + * testsuite/ld-arm/farcall-thumb2-thumb2-m.d: New file. + * testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d: Update to + reflect the use of Thumb-2 veneers for Thumb-2 capable targets. + * testsuite/ld-arm/jump-reloc-veneers-cond-long.d: Likewise. + 2016-06-16 H.J. Lu <hongjiu.lu@intel.com> * testsuite/ld-i386/i386.exp: Run pr19636-2e-nacl. diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp index db25a8d..a5d4c87 100644 --- a/ld/testsuite/ld-arm/arm-elf.exp +++ b/ld/testsuite/ld-arm/arm-elf.exp @@ -474,9 +474,12 @@ set armeabitests_nonacl { {"Thumb-Thumb farcall with BLX" "--no-fix-arm1176 -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=armv7-m" {farcall-thumb-thumb.s} + {"Thumb-Thumb farcall M profile" "-Ttext 0x1000 --section-start .foo=0x2001014" "" "-march=armv6-m" {farcall-thumb-thumb.s} {{objdump -d farcall-thumb-thumb-m.d}} "farcall-thumb-thumb-m"} + {"Thumb2-Thumb2 farcall M profile" "-Ttext 0x1000 --section-start .foo=0x2001014" "" "-march=armv7-m" {farcall-thumb-thumb.s} + {{objdump -d farcall-thumb2-thumb2-m.d}} + "farcall-thumb2-thumb2-m"} {"Thumb-Thumb farcall v8-M Baseline" "-Ttext 0x1000 --section-start .foo=0x2001014" "" "-march=armv8-m.base" {farcall-thumb-thumb.s} {{objdump -d farcall-thumb-thumb-m.d}} "farcall-thumb-thumb-v8-m-base"} diff --git a/ld/testsuite/ld-arm/farcall-thumb2-thumb2-m.d b/ld/testsuite/ld-arm/farcall-thumb2-thumb2-m.d new file mode 100644 index 0000000..5809941 --- /dev/null +++ b/ld/testsuite/ld-arm/farcall-thumb2-thumb2-m.d @@ -0,0 +1,17 @@ +.*: file format .* + +Disassembly of section .text: + +00001000 <_start>: + 1000: f000 f802 bl 1008 <__bar_veneer> + 1004: 0000 movs r0, r0 + \.\.\. + +00001008 <__bar_veneer>: + 1008: f85f f000 ldr.w pc, \[pc\] ; 100c <__bar_veneer\+0x4> + 100c: 02001015 .word 0x02001015 + +Disassembly of section .foo: + +02001014 <bar>: + 2001014: 4770 bx lr diff --git a/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d b/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d index ee0709a..9424207 100644 --- a/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d +++ b/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long-backward.d @@ -15,10 +15,5 @@ Disassembly of section .text: ... 001080.. <[^>]*>: - 1080..: b401 push {r0} - 1080..: 4802 ldr r0, \[pc, #8\] ; \(108014 <__dest_veneer\+0xc>\) - 1080..: 4684 mov ip, r0 - 1080..: bc01 pop {r0} - 1080..: 4760 bx ip - 1080..: bf00 nop + 1080..: f85f f000 ldr.w pc, \[pc\] ; 10800c <__dest_veneer\+0x4> 1080..: 00008003 .word 0x00008003 diff --git a/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long.d b/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long.d index 276a24e..d818cf5 100644 --- a/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long.d +++ b/ld/testsuite/ld-arm/jump-reloc-veneers-cond-long.d @@ -15,10 +15,5 @@ Disassembly of section .text: ... 000080.. <[^>]*>: - 80..: b401 push {r0} - 80..: 4802 ldr r0, \[pc, #8\] ; \(80.. <__dest_veneer\+0xc>\) - 80..: 4684 mov ip, r0 - 80..: bc01 pop {r0} - 80..: 4760 bx ip - 80..: bf00 nop + 80..: f85f f000 ldr.w pc, \[pc\] ; 800c <__dest_veneer\+0x4> 80..: 00108005 .word 0x00108005 |