diff options
Diffstat (limited to 'patches/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch')
| -rw-r--r-- | patches/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/patches/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch b/patches/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch deleted file mode 100644 index dba7620..0000000 --- a/patches/binutils/2.23.2/904-Fix-call8-call-target-out-of-range-xtensa-ld-relaxation.patch +++ /dev/null @@ -1,79 +0,0 @@ -From 7fc39194f8fb48914c995f8ec3826d50086f1ec0 Mon Sep 17 00:00:00 2001 -From: Sterling Augustine <augustine.sterling@gmail.com> -Date: Tue, 25 Jan 2011 13:59:13 -0800 -Subject: [PATCH] Fix 'call8: call target out of range' xtensa ld relaxation - bug - -During link-time relaxation distance between cross-section call site and -its target may grow, producing 'call target out of range' error for -relaxed calls. Be more conservative when calculating whether or not a -callx can be converted to a straight call. - -2014-09-23 Sterling Augustine <augustine.sterling@gmail.com> - -bfd/ - * elf32-xtensa.c (is_resolvable_asm_expansion): for cross-section - call relaxation use furthermost addresses where call source and - destination can be to check whether it's in the range of a direct - call. - -Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> ---- - bfd/elf32-xtensa.c | 41 +++++++++++++++++++++++++++++++++++++---- - 1 file changed, 37 insertions(+), 4 deletions(-) - -diff --git a/bfd/elf32-xtensa.c b/bfd/elf32-xtensa.c -index 09862e3..e32496a 100644 ---- a/bfd/elf32-xtensa.c -+++ b/bfd/elf32-xtensa.c -@@ -7124,10 +7124,43 @@ is_resolvable_asm_expansion (bfd *abfd, - || is_reloc_sym_weak (abfd, irel))) - return FALSE; - -- self_address = (sec->output_section->vma -- + sec->output_offset + irel->r_offset + 3); -- dest_address = (target_sec->output_section->vma -- + target_sec->output_offset + target_offset); -+ if (target_sec->output_section != sec->output_section) -+ { -+ /* If the two sections are sufficiently far away that relaxation -+ might take the call out of range, we can't simplify. For -+ example, a positive displacement call into another memory -+ could get moved to a lower address due to literal removal, -+ but the destination won't move, and so the displacment might -+ get larger. -+ -+ If the displacement is negative, assume the destination could -+ move as far back as the start of the output section. The -+ self_address will be at least as far into the output section -+ as it is prior to relaxation. -+ -+ If the displacement is postive, assume the destination will be in -+ it's pre-relaxed location (because relaxation only makes sections -+ smaller). The self_address could go all the way to the beginning -+ of the output section. */ -+ -+ dest_address = target_sec->output_section->vma; -+ self_address = sec->output_section->vma; -+ -+ if (sec->output_section->vma > target_sec->output_section->vma) -+ self_address += sec->output_offset + irel->r_offset + 3; -+ else -+ dest_address += bfd_get_section_limit (abfd, target_sec->output_section); -+ /* Call targets should be four-byte aligned. */ -+ dest_address = (dest_address + 3) & ~3; -+ } -+ else -+ { -+ -+ self_address = (sec->output_section->vma -+ + sec->output_offset + irel->r_offset + 3); -+ dest_address = (target_sec->output_section->vma -+ + target_sec->output_offset + target_offset); -+ } - - *is_reachable_p = pcrel_reloc_fits (direct_call_opcode, 0, - self_address, dest_address); --- -1.8.1.4 - |