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| author | Andrew Goedhart <Andrewgoedhart@simplepowersolutions.co.za> | 2017-05-09 12:14:48 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2017-05-09 12:15:22 +0100 |
| commit | e645cf40b111daef4518a58547de577eb9379ccb (patch) | |
| tree | 3d1a4523e01d9f62a7b05b81acb02b45956c77a4 | |
| parent | d2732b697fe56ff4274a4bc45add9386c17f8a07 (diff) | |
| download | gdb-e645cf40b111daef4518a58547de577eb9379ccb.zip gdb-e645cf40b111daef4518a58547de577eb9379ccb.tar.gz gdb-e645cf40b111daef4518a58547de577eb9379ccb.tar.bz2 | |
Fix resolution of R_ARM_THM_ALU_PREL_11_0 relocation against Thumb symbols.
PR ld/21458
* elf32-arm.c (elf32_arm_final_link_relocate): Set the bottom bit
of the value when resolving a R_ARM_THM_ALU_PREL_11_0 relocation
and the destination is a Thumb symbol.
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf32-arm.c | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 5205548..917a349 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2017-05-09 Andrew Goedhart <Andrewgoedhart@simplepowersolutions.co.za> + + PR ld/21458 + * elf32-arm.c (elf32_arm_final_link_relocate): Set the bottom bit + of the value when resolving a R_ARM_THM_ALU_PREL_11_0 relocation + and the destination is a Thumb symbol. + 2017-05-08 H.J. Lu <hongjiu.lu@intel.com> * elf32-i386.c (elf_i386_get_synthetic_symtab): Add missing diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 8dcaf45..23a02c0 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -10511,6 +10511,10 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto, if (value >= 0x1000) return bfd_reloc_overflow; + /* Destination is Thumb. Force bit 0 to 1 to reflect this. */ + if (branch_type == ST_BRANCH_TO_THUMB) + value |= 1; + insn = (insn & 0xfb0f8f00) | (value & 0xff) | ((value & 0x700) << 4) | ((value & 0x800) << 15); |