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| author | Yuri Gribov <y.gribov@samsung.com> | 2014-02-27 14:35:37 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2014-02-27 14:35:37 +0000 |
| commit | 1db37fe62781b677a37acbe801c1e69d8912a124 (patch) | |
| tree | 48caffe8619eea72d91b80bb71ca0a6632bc5a63 /ld/testsuite | |
| parent | fa96cb382c12b099675c5cc238aaa7352a3fd3d7 (diff) | |
| download | gdb-1db37fe62781b677a37acbe801c1e69d8912a124.zip gdb-1db37fe62781b677a37acbe801c1e69d8912a124.tar.gz gdb-1db37fe62781b677a37acbe801c1e69d8912a124.tar.bz2 | |
This patch adds support for ARM PLT entries that support a full 32-bit offset range.
Enabled via the use of a new linker command line option: --long-plt.
* bfd-in.h: Add export of bfd_elf32_arm_use_long_plt.
* bfd-in2.h: Regenerate.
* elf32-arm.c (elf32_arm_plt_entry_long): New array.
(elf32_arm_link_hash_table_create): Set plt_entry_size to 16 if
using long PLT entries.
(bfd_elf32_arm_use_long_plt): New function.
(elf32_arm_populate_plt_entry): Add support for long PLT entries.
* emultempl/armelf.em (OPTION_LONG_PLT): Define.
(PARSE_AND_LIST_LONGOPTS): Add long-plt.
(PARSE_AND_LIST_OPTIONS): Likewise.
(PARSE_AND_LIST_ARGS_CASES): Handle long-plt.
* ld.texinfo: Document --long-plt.
* ld-arm/long-plt-format.s: New test case.
* ld-arm/long-plt-format.d: Expected disassembly.
* ld-arm/arm-elf.exp: Run the new test.
Diffstat (limited to 'ld/testsuite')
| -rw-r--r-- | ld/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/arm-elf.exp | 6 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/long-plt-format.d | 15 | ||||
| -rw-r--r-- | ld/testsuite/ld-arm/long-plt-format.s | 7 |
4 files changed, 33 insertions, 1 deletions
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog index 1af8109..84ca6b1 100644 --- a/ld/testsuite/ChangeLog +++ b/ld/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2014-02-27 Yuri Gribov <y.gribov@samsung.com> + + * ld-arm/long-plt-format.s: New test case. + * ld-arm/long-plt-format.d: Expected disassembly. + * ld-arm/arm-elf.exp: Run the new test. + 2014-02-27 Nick Clifton <nickc@redhat.com> * ld-pe/longsecn-1.d: Allow for extra sections. diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp index 4c0f802..ec569ca 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 2002-2013 Free Software Foundation, Inc. +# Copyright 2002-2014 Free Software Foundation, Inc. # # This file is part of the GNU Binutils. # @@ -188,6 +188,10 @@ set armelftests_common { "" {exec-got-1b.s} {{readelf --relocs exec-got-1.d}} "exec-got-1"} + {"Long PLT entries in executables" "--long-plt -shared --section-start=.plt=0x200 --section-start=.got=0xf0000300" "" + "" {long-plt-format.s} + {{objdump "-d -j .plt" long-plt-format.d}} + "long-plt-format"} {"abs call" "-T arm.ld" "" "" {abs-call-1.s} {{objdump -d abs-call-1.d}} "abs-call-1"} diff --git a/ld/testsuite/ld-arm/long-plt-format.d b/ld/testsuite/ld-arm/long-plt-format.d new file mode 100644 index 0000000..c08cb71 --- /dev/null +++ b/ld/testsuite/ld-arm/long-plt-format.d @@ -0,0 +1,15 @@ +.*: file format elf32-.* + + +Disassembly of section .plt: + +00000200 <.plt>: + 200: .* + 204: .* + 208: .* + 20c: .* + 210: .* .word .* + 214: .* add ip, pc, #-268435456 ; 0xf0000000 + 218: .* add ip, ip, #0, 12 + 21c: .* add ip, ip, #0, 20 + 220: .* ldr pc, [ip, #[0-9]*]! ; 0x.* diff --git a/ld/testsuite/ld-arm/long-plt-format.s b/ld/testsuite/ld-arm/long-plt-format.s new file mode 100644 index 0000000..bb0c3a2 --- /dev/null +++ b/ld/testsuite/ld-arm/long-plt-format.s @@ -0,0 +1,7 @@ + .globl _start + .type _start,%function + .globl foo +_start: + bl foo(PLT) + .size _start,.-_start + |