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| author | Richard Henderson <rth@redhat.com> | 2011-06-24 17:38:17 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2011-06-24 17:38:17 +0000 |
| commit | 7dbf3b76a24009dfe759b42e5b8544f20c6d9529 (patch) | |
| tree | 35e6b1238247f6bfcf9fad97be5b6ea8f606d2db | |
| parent | a60af0db8811f4ea6f5ac98322121ac541eb12e7 (diff) | |
| download | gdb-7dbf3b76a24009dfe759b42e5b8544f20c6d9529.zip gdb-7dbf3b76a24009dfe759b42e5b8544f20c6d9529.tar.gz gdb-7dbf3b76a24009dfe759b42e5b8544f20c6d9529.tar.bz2 | |
PR ld/12928
* elf64-alpha.c (elf64_alpha_relax_tls_get_addr): Recover the
tlsgd insn before swapping adjacent insns.
| -rw-r--r-- | bfd/ChangeLog | 6 | ||||
| -rw-r--r-- | bfd/elf64-alpha.c | 14 |
2 files changed, 13 insertions, 7 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 96297a3..c7a634f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,9 @@ +2011-06-24 Richard Henderson <rth@redhat.com> + + PR ld/12928 + * elf64-alpha.c (elf64_alpha_relax_tls_get_addr): Recover the + tlsgd insn before swapping adjacent insns. + 2011-06-24 Tristan Gingold <gingold@adacore.com> * vms-alpha.c (alpha_vms_slurp_relocs): Add a guard for relocs in the diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c index 46078ea..6076709 100644 --- a/bfd/elf64-alpha.c +++ b/bfd/elf64-alpha.c @@ -3508,6 +3508,13 @@ elf64_alpha_relax_tls_get_addr (struct alpha_relax_info *info, bfd_vma symval, pos[3] = info->contents + gpdisp->r_offset; pos[4] = pos[3] + gpdisp->r_addend; + /* Beware of the compiler hoisting part of the sequence out a loop + and adjusting the destination register for the TLSGD insn. If this + happens, there will be a move into $16 before the JSR insn, so only + transformations of the first insn pair should use this register. */ + tlsgd_reg = bfd_get_32 (info->abfd, pos[0]); + tlsgd_reg = (tlsgd_reg >> 21) & 31; + /* Generally, the positions are not allowed to be out of order, lest the modified insn sequence have different register lifetimes. We can make an exception when pos 1 is adjacent to pos 0. */ @@ -3575,13 +3582,6 @@ elf64_alpha_relax_tls_get_addr (struct alpha_relax_info *info, bfd_vma symval, use_gottprel = FALSE; new_symndx = is_gd ? ELF64_R_SYM (irel->r_info) : STN_UNDEF; - /* Beware of the compiler hoisting part of the sequence out a loop - and adjusting the destination register for the TLSGD insn. If this - happens, there will be a move into $16 before the JSR insn, so only - transformations of the first insn pair should use this register. */ - tlsgd_reg = bfd_get_32 (info->abfd, pos[0]); - tlsgd_reg = (tlsgd_reg >> 21) & 31; - switch (!dynamic && !info->link_info->shared) { case 1: |