From 2f9bd3f641bd98189e086271ebb00bda8f53bb3a Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 6 Dec 2002 01:48:24 +0000 Subject: [PATCH] * elfxx-ia64.c (elfNN_ia64_relax_section): Handle PCREL21BI. Only send PCREL21B though the plt. Fix installed reloc type. (elfNN_ia64_relocate_section): Give error for dynamic reloc against PCREL22 or PCREL64I; clean up error messages for branch relocs. --- bfd/ChangeLog | 8 +++++ bfd/elfxx-ia64.c | 77 ++++++++++++++++++++++++++++-------------------- 2 files changed, 53 insertions(+), 32 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 85487191bca..4e19c1d56ea 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2002-12-05 Richard Henderson + + * elfxx-ia64.c (elfNN_ia64_relax_section): Handle PCREL21BI. + Only send PCREL21B though the plt. Fix installed reloc type. + (elfNN_ia64_relocate_section): Give error for dynamic reloc + against PCREL22 or PCREL64I; clean up error messages for + branch relocs. + 2002-12-04 Kevin Buettner * elf64-mips.c (elf64_mips_grok_prstatus, elf64_mips_grok_psinfo): diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c index 2f6e1a5ec99..aa4c5ad8136 100644 --- a/bfd/elfxx-ia64.c +++ b/bfd/elfxx-ia64.c @@ -672,7 +672,8 @@ static const bfd_byte oor_ip[48] = /* These functions do relaxation for IA-64 ELF. This is primarily to support branches to targets out of range; - relaxation of R_IA64_LTOFF22X and R_IA64_LDXMOV not yet supported. */ + relaxation of R_IA64_LTOFF22X and R_IA64_LDXMOV is handled in + relocate_section directly. */ static bfd_boolean elfNN_ia64_relax_section (abfd, sec, link_info, again) @@ -726,10 +727,14 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) irelend = internal_relocs + sec->reloc_count; for (irel = internal_relocs; irel < irelend; irel++) - if (ELFNN_R_TYPE (irel->r_info) == (int) R_IA64_PCREL21B - || ELFNN_R_TYPE (irel->r_info) == (int) R_IA64_PCREL21M - || ELFNN_R_TYPE (irel->r_info) == (int) R_IA64_PCREL21F) - break; + { + unsigned long r_type = ELFNN_R_TYPE (irel->r_info); + if (r_type == R_IA64_PCREL21B + || r_type == R_IA64_PCREL21BI + || r_type == R_IA64_PCREL21M + || r_type == R_IA64_PCREL21F) + break; + } /* No branch-type relocations. */ if (irel == irelend) @@ -755,14 +760,16 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) for (; irel < irelend; irel++) { + unsigned long r_type = ELFNN_R_TYPE (irel->r_info); bfd_vma symaddr, reladdr, trampoff, toff, roff; asection *tsec; struct one_fixup *f; bfd_size_type amt; - if (ELFNN_R_TYPE (irel->r_info) != (int) R_IA64_PCREL21B - && ELFNN_R_TYPE (irel->r_info) != (int) R_IA64_PCREL21M - && ELFNN_R_TYPE (irel->r_info) != (int) R_IA64_PCREL21F) + if (r_type != R_IA64_PCREL21B + && r_type != R_IA64_PCREL21BI + && r_type != R_IA64_PCREL21M + && r_type != R_IA64_PCREL21F) continue; /* Get the value of the symbol referred to by the reloc. */ @@ -817,6 +824,11 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) in a branch to the PLT entry. */ if (dyn_i && dyn_i->want_plt2) { + /* Internal branches shouldn't be sent to the PLT. + Leave this for now and we'll give an error later. */ + if (r_type != R_IA64_PCREL21B) + continue; + tsec = ia64_info->plt_sec; toff = dyn_i->plt2_offset; } @@ -928,7 +940,7 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) hell this doesn't overflow too. */ if (elfNN_ia64_install_value (abfd, contents + roff, f->trampoff - (roff & (bfd_vma) -4), - R_IA64_PCREL21B) != bfd_reloc_ok) + r_type) != bfd_reloc_ok) goto error_return; changed_contents = TRUE; @@ -4035,29 +4047,6 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section, } goto finish_pcrel; - case R_IA64_PCREL21BI: - case R_IA64_PCREL21F: - case R_IA64_PCREL21M: - /* ??? These two are only used for speculation fixup code. - They should never be dynamic. */ - if (dynamic_symbol_p) - { - (*_bfd_error_handler) - (_("%s: dynamic relocation against speculation fixup"), - bfd_archive_filename (input_bfd)); - ret_val = FALSE; - continue; - } - if (undef_weak_ref) - { - (*_bfd_error_handler) - (_("%s: speculation fixup against undefined weak symbol"), - bfd_archive_filename (input_bfd)); - ret_val = FALSE; - continue; - } - goto finish_pcrel; - case R_IA64_PCREL21B: case R_IA64_PCREL60B: /* We should have created a PLT entry for any dynamic symbol. */ @@ -4089,8 +4078,32 @@ elfNN_ia64_relocate_section (output_bfd, info, input_bfd, input_section, } goto finish_pcrel; + case R_IA64_PCREL21BI: + case R_IA64_PCREL21F: + case R_IA64_PCREL21M: case R_IA64_PCREL22: case R_IA64_PCREL64I: + /* The PCREL21BI reloc is specifically not intended for use with + dynamic relocs. PCREL21F and PCREL21M are used for speculation + fixup code, and thus probably ought not be dynamic. The + PCREL22 and PCREL64I relocs aren't emitted as dynamic relocs. */ + if (dynamic_symbol_p) + { + const char *msg; + + if (r_type == R_IA64_PCREL21BI) + msg = _("%s: @internal branch to dynamic symbol %s"); + else if (r_type == R_IA64_PCREL21F || r_type == R_IA64_PCREL21M) + msg = _("%s: speculation fixup to dynamic symbol %s"); + else + msg = _("%s: @pcrel relocation against dynamic symbol %s"); + (*_bfd_error_handler) (msg, bfd_archive_filename (input_bfd), + h->root.root.string); + ret_val = FALSE; + continue; + } + goto finish_pcrel; + finish_pcrel: /* Make pc-relative. */ value -= (input_section->output_section->vma -- 2.30.2