From 2f47f5fc1338185064d87c4ab54773a9f4cfe796 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Thu, 13 Jun 2013 12:36:02 +0000 Subject: PR ld/15302 * elf32-arm.c (allocate_dynrelocs_for_symbol): Transform ST_BRANCH_TO_ARM into ST_BRANCH_TO_THUMB if the target only supports thumb instructions. PR ld/15302 * ld-arm/branch-lks-sym.ld: New script. * ld-arm/thumb-b-lks-sym.s: New test. * ld-arm/thumb-b-lks-sym.d: Expected disassembly. * ld-arm/thumb-bl-lks-sym.s: New test. * ld-arm/thumb-bl-lks-sym.d: Expected disassembly. * ld-arm/arm-elf.exp: Run the new tests. --- ld/testsuite/ld-arm/arm-elf.exp | 9 +++++++-- ld/testsuite/ld-arm/branch-lks-sym.ld | 1 + ld/testsuite/ld-arm/thumb-b-lks-sym.d | 7 +++++++ ld/testsuite/ld-arm/thumb-b-lks-sym.s | 16 ++++++++++++++++ ld/testsuite/ld-arm/thumb-bl-lks-sym.d | 12 ++++++++++++ ld/testsuite/ld-arm/thumb-bl-lks-sym.s | 19 +++++++++++++++++++ 6 files changed, 62 insertions(+), 2 deletions(-) create mode 100644 ld/testsuite/ld-arm/branch-lks-sym.ld create mode 100644 ld/testsuite/ld-arm/thumb-b-lks-sym.d create mode 100644 ld/testsuite/ld-arm/thumb-b-lks-sym.s create mode 100644 ld/testsuite/ld-arm/thumb-bl-lks-sym.d create mode 100644 ld/testsuite/ld-arm/thumb-bl-lks-sym.s (limited to 'ld/testsuite/ld-arm') diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp index a6abe82..fd8a599 100644 --- a/ld/testsuite/ld-arm/arm-elf.exp +++ b/ld/testsuite/ld-arm/arm-elf.exp @@ -1,6 +1,5 @@ # Expect script for various ARM ELF tests. -# Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 -# Free Software Foundation, Inc. +# Copyright 2002-2013 Free Software Foundation, Inc. # # This file is part of the GNU Binutils. # @@ -557,6 +556,12 @@ set armeabitests_common { {"Thumb-2 BL" "-Ttext 0x1000 --section-start .foo=0x100100c" "" "" {thumb2-bl-bad.s} {{objdump -d thumb2-bl-bad.d}} "thumb2-bl-bad"} + {"Branch to linker script symbol with BL for thumb-only target" "-T branch-lks-sym.ld" "" "" {thumb-bl-lks-sym.s} + {{objdump -d thumb-bl-lks-sym.d}} + "thumb-bl-lks-sym"} + {"Branch to linker script symbol with B for thumb-only target" "-T branch-lks-sym.ld" "" "" {thumb-b-lks-sym.s} + {{objdump -d thumb-b-lks-sym.d}} + "thumb-b-lks-sym"} {"ARM-ARM farcall" "-Ttext 0x1000 --section-start .foo=0x2001020" "" "" {farcall-arm-arm.s} {{objdump -d farcall-arm-arm.d}} diff --git a/ld/testsuite/ld-arm/branch-lks-sym.ld b/ld/testsuite/ld-arm/branch-lks-sym.ld new file mode 100644 index 0000000..a70776f --- /dev/null +++ b/ld/testsuite/ld-arm/branch-lks-sym.ld @@ -0,0 +1 @@ +extFunc = 0x1000 + 1; diff --git a/ld/testsuite/ld-arm/thumb-b-lks-sym.d b/ld/testsuite/ld-arm/thumb-b-lks-sym.d new file mode 100644 index 0000000..eadd9a4 --- /dev/null +++ b/ld/testsuite/ld-arm/thumb-b-lks-sym.d @@ -0,0 +1,7 @@ + +.*: file format.* + +Disassembly of section .text: + +00000000
: + 0: f000 bffe b.w 1000 diff --git a/ld/testsuite/ld-arm/thumb-b-lks-sym.s b/ld/testsuite/ld-arm/thumb-b-lks-sym.s new file mode 100644 index 0000000..ae62f8b --- /dev/null +++ b/ld/testsuite/ld-arm/thumb-b-lks-sym.s @@ -0,0 +1,16 @@ +@ Test to ensure that the b to linker script symbol isn't changed to other format. + + + .syntax unified + .cpu cortex-m3 + .fpu softvfp + .thumb + .file "x.c" + .text + .align 2 + .global main + .thumb + .thumb_func + .type main, %function +main: + b extFunc diff --git a/ld/testsuite/ld-arm/thumb-bl-lks-sym.d b/ld/testsuite/ld-arm/thumb-bl-lks-sym.d new file mode 100644 index 0000000..b553b51 --- /dev/null +++ b/ld/testsuite/ld-arm/thumb-bl-lks-sym.d @@ -0,0 +1,12 @@ + +.*: file format.* + +Disassembly of section .text: + +00000000
: + 0: b580 push {r7, lr} + 2: af00 add r7, sp, #0 + 4: f000 fffc bl 1000 + 8: bd80 pop {r7, pc} + a: bf00 nop + diff --git a/ld/testsuite/ld-arm/thumb-bl-lks-sym.s b/ld/testsuite/ld-arm/thumb-bl-lks-sym.s new file mode 100644 index 0000000..60b7c3a --- /dev/null +++ b/ld/testsuite/ld-arm/thumb-bl-lks-sym.s @@ -0,0 +1,19 @@ +@ Test to ensure that the bl to linker script symbol isn't changed to blx with immediate address. + + + .syntax unified + .cpu cortex-m3 + .fpu softvfp + .thumb + .file "x.c" + .text + .align 2 + .global main + .thumb + .thumb_func + .type main, %function +main: + push {r7, lr} + add r7, sp, #0 + bl extFunc + pop {r7, pc} -- cgit v1.1